return ERROR_OK;
}
-int str9xpec_set_instr(jtag_tap_t *tap, u32 new_instr, enum tap_state end_state)
+int str9xpec_set_instr(jtag_tap_t *tap, u32 new_instr, tap_state_t end_state)
{
if( tap == NULL ){
return ERROR_TARGET_INVALID;
#include "binarybuffer.h"
-const unsigned char bit_reverse_table256[] =
+const unsigned char bit_reverse_table256[] =
{
- 0x00, 0x80, 0x40, 0xC0, 0x20, 0xA0, 0x60, 0xE0, 0x10, 0x90, 0x50, 0xD0, 0x30, 0xB0, 0x70, 0xF0,
- 0x08, 0x88, 0x48, 0xC8, 0x28, 0xA8, 0x68, 0xE8, 0x18, 0x98, 0x58, 0xD8, 0x38, 0xB8, 0x78, 0xF8,
- 0x04, 0x84, 0x44, 0xC4, 0x24, 0xA4, 0x64, 0xE4, 0x14, 0x94, 0x54, 0xD4, 0x34, 0xB4, 0x74, 0xF4,
- 0x0C, 0x8C, 0x4C, 0xCC, 0x2C, 0xAC, 0x6C, 0xEC, 0x1C, 0x9C, 0x5C, 0xDC, 0x3C, 0xBC, 0x7C, 0xFC,
- 0x02, 0x82, 0x42, 0xC2, 0x22, 0xA2, 0x62, 0xE2, 0x12, 0x92, 0x52, 0xD2, 0x32, 0xB2, 0x72, 0xF2,
+ 0x00, 0x80, 0x40, 0xC0, 0x20, 0xA0, 0x60, 0xE0, 0x10, 0x90, 0x50, 0xD0, 0x30, 0xB0, 0x70, 0xF0,
+ 0x08, 0x88, 0x48, 0xC8, 0x28, 0xA8, 0x68, 0xE8, 0x18, 0x98, 0x58, 0xD8, 0x38, 0xB8, 0x78, 0xF8,
+ 0x04, 0x84, 0x44, 0xC4, 0x24, 0xA4, 0x64, 0xE4, 0x14, 0x94, 0x54, 0xD4, 0x34, 0xB4, 0x74, 0xF4,
+ 0x0C, 0x8C, 0x4C, 0xCC, 0x2C, 0xAC, 0x6C, 0xEC, 0x1C, 0x9C, 0x5C, 0xDC, 0x3C, 0xBC, 0x7C, 0xFC,
+ 0x02, 0x82, 0x42, 0xC2, 0x22, 0xA2, 0x62, 0xE2, 0x12, 0x92, 0x52, 0xD2, 0x32, 0xB2, 0x72, 0xF2,
0x0A, 0x8A, 0x4A, 0xCA, 0x2A, 0xAA, 0x6A, 0xEA, 0x1A, 0x9A, 0x5A, 0xDA, 0x3A, 0xBA, 0x7A, 0xFA,
- 0x06, 0x86, 0x46, 0xC6, 0x26, 0xA6, 0x66, 0xE6, 0x16, 0x96, 0x56, 0xD6, 0x36, 0xB6, 0x76, 0xF6,
+ 0x06, 0x86, 0x46, 0xC6, 0x26, 0xA6, 0x66, 0xE6, 0x16, 0x96, 0x56, 0xD6, 0x36, 0xB6, 0x76, 0xF6,
0x0E, 0x8E, 0x4E, 0xCE, 0x2E, 0xAE, 0x6E, 0xEE, 0x1E, 0x9E, 0x5E, 0xDE, 0x3E, 0xBE, 0x7E, 0xFE,
0x01, 0x81, 0x41, 0xC1, 0x21, 0xA1, 0x61, 0xE1, 0x11, 0x91, 0x51, 0xD1, 0x31, 0xB1, 0x71, 0xF1,
- 0x09, 0x89, 0x49, 0xC9, 0x29, 0xA9, 0x69, 0xE9, 0x19, 0x99, 0x59, 0xD9, 0x39, 0xB9, 0x79, 0xF9,
+ 0x09, 0x89, 0x49, 0xC9, 0x29, 0xA9, 0x69, 0xE9, 0x19, 0x99, 0x59, 0xD9, 0x39, 0xB9, 0x79, 0xF9,
0x05, 0x85, 0x45, 0xC5, 0x25, 0xA5, 0x65, 0xE5, 0x15, 0x95, 0x55, 0xD5, 0x35, 0xB5, 0x75, 0xF5,
0x0D, 0x8D, 0x4D, 0xCD, 0x2D, 0xAD, 0x6D, 0xED, 0x1D, 0x9D, 0x5D, 0xDD, 0x3D, 0xBD, 0x7D, 0xFD,
- 0x03, 0x83, 0x43, 0xC3, 0x23, 0xA3, 0x63, 0xE3, 0x13, 0x93, 0x53, 0xD3, 0x33, 0xB3, 0x73, 0xF3,
+ 0x03, 0x83, 0x43, 0xC3, 0x23, 0xA3, 0x63, 0xE3, 0x13, 0x93, 0x53, 0xD3, 0x33, 0xB3, 0x73, 0xF3,
0x0B, 0x8B, 0x4B, 0xCB, 0x2B, 0xAB, 0x6B, 0xEB, 0x1B, 0x9B, 0x5B, 0xDB, 0x3B, 0xBB, 0x7B, 0xFB,
- 0x07, 0x87, 0x47, 0xC7, 0x27, 0xA7, 0x67, 0xE7, 0x17, 0x97, 0x57, 0xD7, 0x37, 0xB7, 0x77, 0xF7,
+ 0x07, 0x87, 0x47, 0xC7, 0x27, 0xA7, 0x67, 0xE7, 0x17, 0x97, 0x57, 0xD7, 0x37, 0xB7, 0x77, 0xF7,
0x0F, 0x8F, 0x4F, 0xCF, 0x2F, 0xAF, 0x6F, 0xEF, 0x1F, 0x9F, 0x5F, 0xDF, 0x3F, 0xBF, 0x7F, 0xFF
};
for (i = 0; i < num_bytes; i++)
to[i] = from[i];
-
- /* mask out bits that don't belong to the buffer */
+
+ /* mask out bits that don't belong to the buffer */
if (size % 8)
{
to[size / 8] &= (0xff >> (8 - (size % 8)));
/* mask out bits that don't really belong to the buffer if size isn't a multiple of 8 bits */
if ((size % 8) && (i == num_bytes -1 ))
{
- if ((buf1[i] & ((1 << (size % 8)) - 1) & mask[i]) !=
+ if ((buf1[i] & ((1 << (size % 8)) - 1) & mask[i]) !=
(buf2[i] & ((1 << (size % 8)) - 1) & mask[i]))
return 1;
}
buf[i] = 0xff;
else
buf[i] = (1 << count) - 1;
-
+
count -= 8;
}
-
+
return buf;
}
{
int src_idx = src_start, dst_idx = dst_start;
int i;
-
+
for (i = 0; i < len; i++)
{
if (((src[src_idx/8] >> (src_idx % 8)) & 1) == 1)
u32 flip_u32(u32 value, unsigned int num)
{
u32 c;
-
- c = (bit_reverse_table256[value & 0xff] << 24) |
- (bit_reverse_table256[(value >> 8) & 0xff] << 16) |
+
+ c = (bit_reverse_table256[value & 0xff] << 24) |
+ (bit_reverse_table256[(value >> 8) & 0xff] << 16) |
(bit_reverse_table256[(value >> 16) & 0xff] << 8) |
(bit_reverse_table256[(value >> 24) & 0xff]);
int ceil_f_to_u32(float x)
{
u32 y;
-
+
if (x < 0) /* return zero for negative numbers */
return 0;
-
+
y = x; /* cut off fraction */
-
+
if ((x - y) > 0.0) /* if there was a fractional part, increase by one */
y++;
-
+
return y;
}
char* buf_to_str(const u8 *buf, int buf_len, int radix)
{
- const char *DIGITS = "0123456789abcdef";
+ const char *DIGITS = "0123456789ABCDEF";
float factor;
char *str;
int str_len;
int j; /* base-256 digits */
int i; /* output digits (radix) */
-
+
if (radix == 16)
{
factor = 2.0; /* log(256) / log(16) = 2.0 */
}
else
return NULL;
-
+
str_len = ceil_f_to_u32(CEIL(buf_len, 8) * factor);
str = calloc(str_len + 1, 1);
-
+
for (i = b256_len - 1; i >= 0; i--)
{
tmp = buf[i];
for (j = 0; j < str_len; j++)
str[j] = DIGITS[(int)str[j]];
-
+
return str;
}
u32 tmp;
float factor;
u8 *b256_buf;
- int b256_len;
-
+ int b256_len;
+
int j; /* base-256 digits */
int i; /* input digits (ASCII) */
-
- if (radix == 0)
+
+ if (radix == 0)
{
/* identify radix, and skip radix-prefix (0, 0x or 0X) */
if ((str[0] == '0') && (str[1] && ((str[1] == 'x') || (str[1] == 'X'))))
radix = 10;
}
}
-
+
if (radix == 16)
factor = 0.5; /* log(16) / log(256) = 0.5 */
else if (radix == 10)
charbuf = malloc(str_len + 1);
memcpy(charbuf, str, str_len);
charbuf[str_len] = '\0';
-
+
/* number of digits in base-256 notation */
b256_len = ceil_f_to_u32(str_len * factor);
b256_buf = calloc(b256_len, 1);
-
+
/* go through zero terminated buffer */
for (i = 0; charbuf[i]; i++)
- {
+ {
tmp = charbuf[i];
if ((tmp >= '0') && (tmp <= '9'))
tmp = (tmp - '0');
else if ((tmp >= 'A') && (tmp <= 'F'))
tmp = (tmp - 'A' + 10);
else continue; /* skip characters other than [0-9,a-f,A-F] */
-
+
if (tmp >= radix)
- continue; /* skip digits invalid for the current radix */
-
+ continue; /* skip digits invalid for the current radix */
+
for (j = 0; j < b256_len; j++)
{
tmp += (u32)b256_buf[j] * radix;
b256_buf[j] = (u8)(tmp & 0xFF);
tmp >>= 8;
}
-
+
}
-
+
for (j = 0; j < CEIL(buf_len, 8); j++)
{
if (j < b256_len)
/* mask out bits that don't belong to the buffer */
if (buf_len % 8)
buf[(buf_len / 8)] &= 0xff >> (8 - (buf_len % 8));
-
+
free(b256_buf);
free(charbuf);
-
+
return i;
}
int buf_to_u32_handler(u8 *in_buf, void *priv, struct scan_field_s *field)
{
u32 *dest = priv;
-
+
*dest = buf_get_u32(in_buf, 0, 32);
-
+
return ERROR_OK;
}
{{0x1f, 0x00}, {0x0c, 0x00}, {0x07, 0x00}, {0x97, 0x00}, {0x08, 0x00}, {0x00, 0x00}}, /* IRPAUSE */
};
+
jtag_interface_t amt_jtagaccel_interface =
{
.name = "amt_jtagaccel",
void amt_jtagaccel_end_state(int state)
{
- if (tap_move_map[state] != -1)
- end_state = state;
+ if (tap_is_state_stable(state))
+ tap_set_end_state(state);
else
{
LOG_ERROR("BUG: %i is not a valid end state", state);
u8 aw_scan_tms_5;
u8 tms_scan[2];
- tms_scan[0] = amt_jtagaccel_tap_move[tap_move_map[cur_state]][tap_move_map[end_state]][0];
- tms_scan[1] = amt_jtagaccel_tap_move[tap_move_map[cur_state]][tap_move_map[end_state]][1];
+ tap_state_t cur_state = tap_get_state();
+ tap_state_t end_state = tap_get_end_state();
+
+ tms_scan[0] = amt_jtagaccel_tap_move[tap_move_ndx(cur_state)][tap_move_ndx(end_state)][0];
+ tms_scan[1] = amt_jtagaccel_tap_move[tap_move_ndx(cur_state)][tap_move_ndx(end_state)][1];
aw_scan_tms_5 = 0x40 | (tms_scan[0] & 0x1f);
AMT_AW(aw_scan_tms_5);
amt_wait_scan_busy();
}
- cur_state = end_state;
+ tap_set_state(end_state);
}
void amt_jtagaccel_runtest(int num_cycles)
u8 aw_scan_tms_5;
u8 aw_scan_tms_1to4;
- enum tap_state saved_end_state = end_state;
+ tap_state_t saved_end_state = tap_get_end_state();
/* only do a state_move when we're not already in IDLE */
- if (cur_state != TAP_IDLE)
+ if (tap_get_state() != TAP_IDLE)
{
amt_jtagaccel_end_state(TAP_IDLE);
amt_jtagaccel_state_move();
}
amt_jtagaccel_end_state(saved_end_state);
- if (cur_state != end_state)
+ if (tap_get_state() != tap_get_end_state())
amt_jtagaccel_state_move();
}
{
int bits_left = scan_size;
int bit_count = 0;
- enum tap_state saved_end_state = end_state;
+ tap_state_t saved_end_state = tap_get_end_state();
u8 aw_tdi_option;
u8 dw_tdi_scan;
u8 dr_tdo;
bits_left -= 8;
}
- tms_scan[0] = amt_jtagaccel_tap_move[tap_move_map[cur_state]][tap_move_map[end_state]][0];
- tms_scan[1] = amt_jtagaccel_tap_move[tap_move_map[cur_state]][tap_move_map[end_state]][1];
+ tms_scan[0] = amt_jtagaccel_tap_move[tap_move_ndx(tap_get_state())][tap_move_ndx(tap_get_end_state())][0];
+ tms_scan[1] = amt_jtagaccel_tap_move[tap_move_ndx(tap_get_state())][tap_move_ndx(tap_get_end_state())][1];
aw_tms_scan = 0x40 | (tms_scan[0] & 0x1f) | (buf_get_u32(buffer, bit_count, 1) << 5);
AMT_AW(aw_tms_scan);
if (jtag_speed > 3 || rtck_enabled)
if (jtag_speed > 3 || rtck_enabled)
amt_wait_scan_busy();
}
- cur_state = end_state;
+ tap_set_state(tap_get_end_state());
}
int amt_jtagaccel_execute_queue(void)
#endif
if (cmd->cmd.reset->trst == 1)
{
- cur_state = TAP_RESET;
+ tap_set_state(TAP_RESET);
}
amt_jtagaccel_reset(cmd->cmd.reset->trst, cmd->cmd.reset->srst);
break;
#if PARPORT_USE_GIVEIO == 1
int amt_jtagaccel_get_giveio_access(void)
{
- HANDLE h;
- OSVERSIONINFO version;
+ HANDLE h;
+ OSVERSIONINFO version;
- version.dwOSVersionInfoSize = sizeof version;
- if (!GetVersionEx( &version )) {
+ version.dwOSVersionInfoSize = sizeof version;
+ if (!GetVersionEx( &version )) {
errno = EINVAL;
return -1;
- }
- if (version.dwPlatformId != VER_PLATFORM_WIN32_NT)
+ }
+ if (version.dwPlatformId != VER_PLATFORM_WIN32_NT)
return 0;
- h = CreateFile( "\\\\.\\giveio", GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL );
- if (h == INVALID_HANDLE_VALUE) {
+ h = CreateFile( "\\\\.\\giveio", GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL );
+ if (h == INVALID_HANDLE_VALUE) {
errno = ENODEV;
return -1;
- }
+ }
- CloseHandle( h );
+ CloseHandle( h );
- return 0;
+ return 0;
}
#endif
int bitbang_execute_queue(void);
-
/* The bitbang driver leaves the TCK 0 when in idle */
-void bitbang_end_state(enum tap_state state)
+void bitbang_end_state(tap_state_t state)
{
- if (tap_move_map[state] != -1)
- end_state = state;
+ if (tap_is_state_stable(state))
+ tap_set_end_state(state);
else
{
LOG_ERROR("BUG: %i is not a valid end state", state);
}
}
-void bitbang_state_move(void) {
-
+void bitbang_state_move(void)
+{
int i=0, tms=0;
- u8 tms_scan = TAP_MOVE(cur_state, end_state);
+ u8 tms_scan = tap_get_tms_path(tap_get_state(), tap_get_end_state());
for (i = 0; i < 7; i++)
{
}
bitbang_interface->write(CLOCK_IDLE(), tms, 0);
- cur_state = end_state;
+ tap_set_state(tap_get_end_state());
}
void bitbang_path_move(pathmove_command_t *cmd)
state_count = 0;
while (num_states)
{
- if (tap_transitions[cur_state].low == cmd->path[state_count])
+ if (tap_state_transition(tap_get_state(), FALSE) == cmd->path[state_count])
{
tms = 0;
}
- else if (tap_transitions[cur_state].high == cmd->path[state_count])
+ else if (tap_state_transition(tap_get_state(), TRUE) == cmd->path[state_count])
{
tms = 1;
}
else
{
- LOG_ERROR("BUG: %s -> %s isn't a valid TAP transition", jtag_state_name(cur_state), jtag_state_name(cmd->path[state_count]));
+ LOG_ERROR("BUG: %s -> %s isn't a valid TAP transition", tap_state_name(tap_get_state()), tap_state_name(cmd->path[state_count]));
exit(-1);
}
bitbang_interface->write(0, tms, 0);
bitbang_interface->write(1, tms, 0);
- cur_state = cmd->path[state_count];
+ tap_set_state(cmd->path[state_count]);
state_count++;
num_states--;
}
bitbang_interface->write(CLOCK_IDLE(), tms, 0);
- end_state = cur_state;
+ tap_set_end_state(tap_get_state());
}
void bitbang_runtest(int num_cycles)
{
int i;
- enum tap_state saved_end_state = end_state;
+ tap_state_t saved_end_state = tap_get_end_state();
/* only do a state_move when we're not already in IDLE */
- if (cur_state != TAP_IDLE)
+ if (tap_get_state() != TAP_IDLE)
{
bitbang_end_state(TAP_IDLE);
bitbang_state_move();
/* finish in end_state */
bitbang_end_state(saved_end_state);
- if (cur_state != end_state)
+ if (tap_get_state() != tap_get_end_state())
bitbang_state_move();
}
static void bitbang_stableclocks(int num_cycles)
{
- int tms = (cur_state == TAP_RESET ? 1 : 0);
+ int tms = (tap_get_state() == TAP_RESET ? 1 : 0);
int i;
/* send num_cycles clocks onto the cable */
void bitbang_scan(int ir_scan, enum scan_type type, u8 *buffer, int scan_size)
{
- enum tap_state saved_end_state = end_state;
+ tap_state_t saved_end_state = tap_get_end_state();
int bit_cnt;
- if (!((!ir_scan && (cur_state == TAP_DRSHIFT)) || (ir_scan && (cur_state == TAP_IRSHIFT))))
+ if (!((!ir_scan && (tap_get_state() == TAP_DRSHIFT)) || (ir_scan && (tap_get_state() == TAP_IRSHIFT))))
{
if (ir_scan)
bitbang_end_state(TAP_IRSHIFT);
bitbang_interface->write(CLOCK_IDLE(), 0, 0);
if (ir_scan)
- cur_state = TAP_IRPAUSE;
+ tap_set_state(TAP_IRPAUSE);
else
- cur_state = TAP_DRPAUSE;
+ tap_set_state(TAP_DRPAUSE);
- if (cur_state != end_state)
+ if (tap_get_state() != tap_get_end_state())
bitbang_state_move();
}
{
case JTAG_END_STATE:
#ifdef _DEBUG_JTAG_IO_
- LOG_DEBUG("end_state: %s", jtag_state_name(cmd->cmd.end_state->end_state) );
+ LOG_DEBUG("end_state: %s", tap_state_name(cmd->cmd.end_state->end_state) );
#endif
if (cmd->cmd.end_state->end_state != -1)
bitbang_end_state(cmd->cmd.end_state->end_state);
#endif
if ((cmd->cmd.reset->trst == 1) || (cmd->cmd.reset->srst && (jtag_reset_config & RESET_SRST_PULLS_TRST)))
{
- cur_state = TAP_RESET;
+ tap_set_state(TAP_RESET);
}
bitbang_interface->reset(cmd->cmd.reset->trst, cmd->cmd.reset->srst);
break;
case JTAG_RUNTEST:
#ifdef _DEBUG_JTAG_IO_
- LOG_DEBUG("runtest %i cycles, end in %s", cmd->cmd.runtest->num_cycles, jtag_state_name(cmd->cmd.runtest->end_state) );
+ LOG_DEBUG("runtest %i cycles, end in %s", cmd->cmd.runtest->num_cycles, tap_state_name(cmd->cmd.runtest->end_state) );
#endif
if (cmd->cmd.runtest->end_state != -1)
bitbang_end_state(cmd->cmd.runtest->end_state);
case JTAG_STATEMOVE:
#ifdef _DEBUG_JTAG_IO_
- LOG_DEBUG("statemove end in %s", jtag_state_name(cmd->cmd.statemove->end_state));
+ LOG_DEBUG("statemove end in %s", tap_state_name(cmd->cmd.statemove->end_state));
#endif
if (cmd->cmd.statemove->end_state != -1)
bitbang_end_state(cmd->cmd.statemove->end_state);
case JTAG_PATHMOVE:
#ifdef _DEBUG_JTAG_IO_
LOG_DEBUG("pathmove: %i states, end in %s", cmd->cmd.pathmove->num_states,
- jtag_state_name(cmd->cmd.pathmove->path[cmd->cmd.pathmove->num_states - 1]));
+ tap_state_name(cmd->cmd.pathmove->path[cmd->cmd.pathmove->num_states - 1]));
#endif
bitbang_path_move(cmd->cmd.pathmove);
break;
case JTAG_SCAN:
#ifdef _DEBUG_JTAG_IO_
- LOG_DEBUG("%s scan end in %s", (cmd->cmd.scan->ir_scan) ? "IR" : "DR", jtag_state_name(cmd->cmd.scan->end_state) );
+ LOG_DEBUG("%s scan end in %s", (cmd->cmd.scan->ir_scan) ? "IR" : "DR", tap_state_name(cmd->cmd.scan->end_state) );
#endif
if (cmd->cmd.scan->end_state != -1)
bitbang_end_state(cmd->cmd.scan->end_state);
/***************************************************************************
- * Copyright (C) 2007 by Pavel Chromy *
- * chromy@asix.cz *
- * *
- * This program is free software; you can redistribute it and/or modify *
- * it under the terms of the GNU General Public License as published by *
- * the Free Software Foundation; either version 2 of the License, or *
- * (at your option) any later version. *
- * *
- * This program is distributed in the hope that it will be useful, *
- * but WITHOUT ANY WARRANTY; without even the implied warranty of *
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
- * GNU General Public License for more details. *
- * *
- * You should have received a copy of the GNU General Public License *
- * along with this program; if not, write to the *
- * Free Software Foundation, Inc., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
- ***************************************************************************/
+* Copyright (C) 2007 by Pavel Chromy *
+* chromy@asix.cz *
+* *
+* This program is free software; you can redistribute it and/or modify *
+* it under the terms of the GNU General Public License as published by *
+* the Free Software Foundation; either version 2 of the License, or *
+* (at your option) any later version. *
+* *
+* This program is distributed in the hope that it will be useful, *
+* but WITHOUT ANY WARRANTY; without even the implied warranty of *
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+* GNU General Public License for more details. *
+* *
+* You should have received a copy of the GNU General Public License *
+* along with this program; if not, write to the *
+* Free Software Foundation, Inc., *
+* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+***************************************************************************/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdlib.h>
#include <unistd.h>
-bitq_interface_t *bitq_interface; /* low level bit queue interface */
+bitq_interface_t* bitq_interface; /* low level bit queue interface */
-bitq_state_t bitq_in_state; /* state of input queue */
+bitq_state_t bitq_in_state; /* state of input queue */
-u8 *bitq_in_buffer; /* buffer dynamically reallocated as needed */
-unsigned long bitq_in_bufsize=32; /* min. buffer size */
+u8* bitq_in_buffer; /* buffer dynamically reallocated as needed */
+unsigned long bitq_in_bufsize = 32; /* min. buffer size */
/*
* input queue processing does not use jtag_read_buffer() to avoid unnecessary overhead
void bitq_in_proc(void)
{
/* static information preserved between calls to increase performance */
- static u8 *in_buff; /* pointer to buffer for scanned data */
- static int in_idx; /* index of byte being scanned */
- static u8 in_mask; /* mask of next bit to be scanned */
+ static u8* in_buff; /* pointer to buffer for scanned data */
+ static int in_idx; /* index of byte being scanned */
+ static u8 in_mask; /* mask of next bit to be scanned */
- scan_field_t *field;
- int tdo;
+ scan_field_t* field;
+ int tdo;
/* loop through the queue */
- while (bitq_in_state.cmd) {
+ while (bitq_in_state.cmd)
+ {
/* only JTAG_SCAN command may return data */
- if (bitq_in_state.cmd->type==JTAG_SCAN) {
+ if (bitq_in_state.cmd->type==JTAG_SCAN)
+ {
/* loop through the fields */
- while (bitq_in_state.field_idx<bitq_in_state.cmd->cmd.scan->num_fields) {
-
- field=&bitq_in_state.cmd->cmd.scan->fields[bitq_in_state.field_idx];
- if ( field->in_value || field->in_handler) {
-
- if (bitq_in_state.bit_pos==0) {
+ while (bitq_in_state.field_idx<bitq_in_state.cmd->cmd.scan->num_fields)
+ {
+ field = &bitq_in_state.cmd->cmd.scan->fields[bitq_in_state.field_idx];
+ if (field->in_value || field->in_handler)
+ {
+ if (bitq_in_state.bit_pos==0)
+ {
/* initialize field scanning */
- in_mask=0x01;
- in_idx=0;
- if (field->in_value) in_buff=field->in_value;
- else {
+ in_mask = 0x01;
+ in_idx = 0;
+ if (field->in_value)
+ in_buff = field->in_value;
+ else
+ {
/* buffer reallocation needed? */
- if (field->num_bits>bitq_in_bufsize*8) {
+ if (field->num_bits>bitq_in_bufsize * 8)
+ {
/* buffer previously allocated? */
- if (bitq_in_buffer!=NULL) {
+ if (bitq_in_buffer!=NULL)
+ {
/* free it */
free(bitq_in_buffer);
- bitq_in_buffer=NULL;
+ bitq_in_buffer = NULL;
}
/* double the buffer size until it fits */
- while (field->num_bits>bitq_in_bufsize*8) bitq_in_bufsize*=2;
+ while (field->num_bits>bitq_in_bufsize * 8)
+ bitq_in_bufsize *= 2;
}
/* if necessary, allocate buffer and check for malloc error */
- if (bitq_in_buffer==NULL && (bitq_in_buffer=malloc(bitq_in_bufsize))==NULL) {
+ if (bitq_in_buffer==NULL && ( bitq_in_buffer = malloc(bitq_in_bufsize) )==NULL)
+ {
LOG_ERROR("malloc error");
exit(-1);
}
- in_buff=(void *)bitq_in_buffer;
+ in_buff = (void*) bitq_in_buffer;
}
}
/* field scanning */
- while (bitq_in_state.bit_pos<field->num_bits) {
- if ((tdo=bitq_interface->in())<0) {
+ while (bitq_in_state.bit_pos<field->num_bits)
+ {
+ if ( ( tdo = bitq_interface->in() )<0 )
+ {
#ifdef _DEBUG_JTAG_IO_
LOG_DEBUG("bitq in EOF");
#endif
return;
}
- if (in_mask==0x01) in_buff[in_idx]=0;
- if (tdo) in_buff[in_idx]|=in_mask;
- if (in_mask==0x80) {
- in_mask=0x01;
+ if (in_mask==0x01)
+ in_buff[in_idx] = 0;
+ if (tdo)
+ in_buff[in_idx] |= in_mask;
+ if (in_mask==0x80)
+ {
+ in_mask = 0x01;
in_idx++;
}
- else in_mask<<=1;
+ else
+ in_mask <<= 1;
bitq_in_state.bit_pos++;
}
- if (field->in_handler && bitq_in_state.status==ERROR_OK) {
- bitq_in_state.status=(*field->in_handler)(in_buff, field->in_handler_priv, field);
+ if (field->in_handler && bitq_in_state.status==ERROR_OK)
+ {
+ bitq_in_state.status = (*field->in_handler)(in_buff, field->in_handler_priv, field);
}
-
}
- bitq_in_state.field_idx++; /* advance to next field */
- bitq_in_state.bit_pos=0; /* start next field from the first bit */
+ bitq_in_state.field_idx++; /* advance to next field */
+ bitq_in_state.bit_pos = 0; /* start next field from the first bit */
}
-
}
- bitq_in_state.cmd=bitq_in_state.cmd->next; /* advance to next command */
- bitq_in_state.field_idx=0; /* preselect first field */
+ bitq_in_state.cmd = bitq_in_state.cmd->next; /* advance to next command */
+ bitq_in_state.field_idx = 0; /* preselect first field */
}
}
+
void bitq_io(int tms, int tdi, int tdo_req)
{
bitq_interface->out(tms, tdi, tdo_req);
/* check and process the input queue */
- if (bitq_interface->in_rdy()) bitq_in_proc();
+ if ( bitq_interface->in_rdy() )
+ bitq_in_proc();
}
-void bitq_end_state(enum tap_state state)
+
+void bitq_end_state(tap_state_t state)
{
- if (state==-1) return;
- if (tap_move_map[state]==-1) {
+ if (state==-1)
+ return;
+
+ if (!tap_is_state_stable(state))
+ {
LOG_ERROR("BUG: %i is not a valid end state", state);
exit(-1);
}
- end_state = state;
+ tap_set_end_state(state);
}
-void bitq_state_move(enum tap_state new_state)
+
+void bitq_state_move(tap_state_t new_state)
{
- int i=0;
- u8 tms_scan;
+ int i = 0;
+ u8 tms_scan;
- if (tap_move_map[cur_state]==-1 || tap_move_map[new_state]==-1) {
+ if (!tap_is_state_stable(tap_get_state()) || !tap_is_state_stable(new_state))
+ {
LOG_ERROR("TAP move from or to unstable state");
exit(-1);
}
- tms_scan=TAP_MOVE(cur_state, new_state);
+ tms_scan = tap_get_tms_path(tap_get_state(), new_state);
- for (i=0; i<7; i++) {
- bitq_io(tms_scan&1, 0, 0);
- tms_scan>>=1;
+ for (i = 0; i<7; i++)
+ {
+ bitq_io(tms_scan & 1, 0, 0);
+ tms_scan >>= 1;
}
- cur_state = new_state;
+ tap_set_state(new_state);
}
-void bitq_path_move(pathmove_command_t *cmd)
+
+void bitq_path_move(pathmove_command_t* cmd)
{
int i;
- for (i=0; i<=cmd->num_states; i++) {
- if (tap_transitions[cur_state].low == cmd->path[i])
+ for (i = 0; i<=cmd->num_states; i++)
+ {
+ if (tap_state_transition(tap_get_state(), FALSE) == cmd->path[i])
bitq_io(0, 0, 0);
- else if (tap_transitions[cur_state].high == cmd->path[i])
+ else if (tap_state_transition(tap_get_state(), TRUE) == cmd->path[i])
bitq_io(1, 0, 0);
- else {
- LOG_ERROR("BUG: %s -> %s isn't a valid TAP transition", jtag_state_name(cur_state), jtag_state_name(cmd->path[i]));
+ else
+ {
+ LOG_ERROR( "BUG: %s -> %s isn't a valid TAP transition", tap_state_name(
+ tap_get_state() ), tap_state_name(cmd->path[i]) );
exit(-1);
}
- cur_state = cmd->path[i];
+ tap_set_state(cmd->path[i]);
}
- end_state = cur_state;
+ tap_set_end_state( tap_get_state() );
}
+
void bitq_runtest(int num_cycles)
{
int i;
/* only do a state_move when we're not already in IDLE */
- if (cur_state != TAP_IDLE) bitq_state_move(TAP_IDLE);
+ if (tap_get_state() != TAP_IDLE)
+ bitq_state_move(TAP_IDLE);
/* execute num_cycles */
for (i = 0; i < num_cycles; i++)
bitq_io(0, 0, 0);
/* finish in end_state */
- if (cur_state != end_state) bitq_state_move(end_state);
+ if ( tap_get_state() != tap_get_end_state() )
+ bitq_state_move( tap_get_end_state() );
}
-void bitq_scan_field(scan_field_t *field, int pause)
+
+void bitq_scan_field(scan_field_t* field, int pause)
{
int bit_cnt;
int tdo_req;
- u8 *out_ptr;
- u8 out_mask;
+ u8* out_ptr;
+ u8 out_mask;
- if ( field->in_value || field->in_handler) tdo_req=1;
- else tdo_req=0;
+ if (field->in_value || field->in_handler)
+ tdo_req = 1;
+ else
+ tdo_req = 0;
- if (field->out_value==NULL) {
+ if (field->out_value==NULL)
+ {
/* just send zeros and request data from TDO */
- for (bit_cnt=field->num_bits; bit_cnt>1; bit_cnt--)
+ for (bit_cnt = field->num_bits; bit_cnt>1; bit_cnt--)
bitq_io(0, 0, tdo_req);
+
bitq_io(pause, 0, tdo_req);
}
- else {
+ else
+ {
/* send data, and optionally request TDO */
- out_mask=0x01;
- out_ptr=field->out_value;
- for (bit_cnt=field->num_bits; bit_cnt>1; bit_cnt--) {
- bitq_io(0, ((*out_ptr)&out_mask)!=0, tdo_req);
- if (out_mask==0x80) {
- out_mask=0x01;
+ out_mask = 0x01;
+ out_ptr = field->out_value;
+ for (bit_cnt = field->num_bits; bit_cnt>1; bit_cnt--)
+ {
+ bitq_io(0, ( (*out_ptr) & out_mask )!=0, tdo_req);
+ if (out_mask==0x80)
+ {
+ out_mask = 0x01;
out_ptr++;
}
- else out_mask<<=1;
+ else
+ out_mask <<= 1;
}
- bitq_io(pause, ((*out_ptr)&out_mask)!=0, tdo_req);
+
+ bitq_io(pause, ( (*out_ptr) & out_mask )!=0, tdo_req);
}
- if (pause) {
- bitq_io(0,0,0);
- if (cur_state==TAP_IRSHIFT) cur_state=TAP_IRPAUSE;
- else if (cur_state==TAP_DRSHIFT) cur_state=TAP_DRPAUSE;
+ if (pause)
+ {
+ bitq_io(0, 0, 0);
+ if (tap_get_state()==TAP_IRSHIFT)
+ tap_set_state(TAP_IRPAUSE);
+ else if (tap_get_state()==TAP_DRSHIFT)
+ tap_set_state(TAP_DRPAUSE);
}
}
-void bitq_scan(scan_command_t *cmd)
+
+void bitq_scan(scan_command_t* cmd)
{
int i;
- if (cmd->ir_scan) bitq_state_move(TAP_IRSHIFT);
- else bitq_state_move(TAP_DRSHIFT);
+ if (cmd->ir_scan)
+ bitq_state_move(TAP_IRSHIFT);
+ else
+ bitq_state_move(TAP_DRSHIFT);
- for (i=0; i < cmd->num_fields-1; i++)
+ for (i = 0; i < cmd->num_fields - 1; i++)
bitq_scan_field(&cmd->fields[i], 0);
+
bitq_scan_field(&cmd->fields[i], 1);
}
+
int bitq_execute_queue(void)
{
- jtag_command_t *cmd = jtag_command_queue; /* currently processed command */
+ jtag_command_t* cmd = jtag_command_queue; /* currently processed command */
bitq_in_state.cmd = jtag_command_queue;
bitq_in_state.field_idx = 0;
- bitq_in_state.bit_pos = 0;
- bitq_in_state.status = ERROR_OK;
-
- while (cmd) {
+ bitq_in_state.bit_pos = 0;
+ bitq_in_state.status = ERROR_OK;
- switch (cmd->type) {
-
- case JTAG_END_STATE:
+ while (cmd)
+ {
+ switch (cmd->type)
+ {
+ case JTAG_END_STATE:
#ifdef _DEBUG_JTAG_IO_
- LOG_DEBUG("end_state: %i", cmd->cmd.end_state->end_state);
+ LOG_DEBUG("end_state: %i", cmd->cmd.end_state->end_state);
#endif
- bitq_end_state(cmd->cmd.end_state->end_state);
- break;
+ bitq_end_state(cmd->cmd.end_state->end_state);
+ break;
- case JTAG_RESET:
+ case JTAG_RESET:
#ifdef _DEBUG_JTAG_IO_
- LOG_DEBUG("reset trst: %i srst %i", cmd->cmd.reset->trst, cmd->cmd.reset->srst);
+ LOG_DEBUG("reset trst: %i srst %i", cmd->cmd.reset->trst, cmd->cmd.reset->srst);
#endif
- if ((cmd->cmd.reset->trst == 1) || (cmd->cmd.reset->srst && (jtag_reset_config & RESET_SRST_PULLS_TRST)))
- {
- cur_state = TAP_RESET;
- }
- bitq_interface->reset(cmd->cmd.reset->trst, cmd->cmd.reset->srst);
- if (bitq_interface->in_rdy()) bitq_in_proc();
- break;
+ if ( (cmd->cmd.reset->trst == 1) || ( cmd->cmd.reset->srst && (jtag_reset_config & RESET_SRST_PULLS_TRST) ) )
+ {
+ tap_set_state(TAP_RESET);
+ }
+ bitq_interface->reset(cmd->cmd.reset->trst, cmd->cmd.reset->srst);
+ if ( bitq_interface->in_rdy() )
+ bitq_in_proc();
+ break;
- case JTAG_RUNTEST:
+ case JTAG_RUNTEST:
#ifdef _DEBUG_JTAG_IO_
- LOG_DEBUG("runtest %i cycles, end in %i", cmd->cmd.runtest->num_cycles, cmd->cmd.runtest->end_state);
+ LOG_DEBUG("runtest %i cycles, end in %i", cmd->cmd.runtest->num_cycles, cmd->cmd.runtest->end_state);
#endif
- bitq_end_state(cmd->cmd.runtest->end_state);
- bitq_runtest(cmd->cmd.runtest->num_cycles);
- break;
+ bitq_end_state(cmd->cmd.runtest->end_state);
+ bitq_runtest(cmd->cmd.runtest->num_cycles);
+ break;
- case JTAG_STATEMOVE:
+ case JTAG_STATEMOVE:
#ifdef _DEBUG_JTAG_IO_
- LOG_DEBUG("statemove end in %i", cmd->cmd.statemove->end_state);
+ LOG_DEBUG("statemove end in %i", cmd->cmd.statemove->end_state);
#endif
- bitq_end_state(cmd->cmd.statemove->end_state);
- bitq_state_move(end_state); /* uncoditional TAP move */
- break;
+ bitq_end_state(cmd->cmd.statemove->end_state);
+ bitq_state_move( tap_get_end_state() ); /* uncoditional TAP move */
+ break;
- case JTAG_PATHMOVE:
+ case JTAG_PATHMOVE:
#ifdef _DEBUG_JTAG_IO_
- LOG_DEBUG("pathmove: %i states, end in %i", cmd->cmd.pathmove->num_states, cmd->cmd.pathmove->path[cmd->cmd.pathmove->num_states - 1]);
+ LOG_DEBUG("pathmove: %i states, end in %i", cmd->cmd.pathmove->num_states,
+ cmd->cmd.pathmove->path[cmd->cmd.pathmove->num_states - 1]);
#endif
- bitq_path_move(cmd->cmd.pathmove);
- break;
+ bitq_path_move(cmd->cmd.pathmove);
+ break;
- case JTAG_SCAN:
+ case JTAG_SCAN:
#ifdef _DEBUG_JTAG_IO_
- LOG_DEBUG("scan end in %i", cmd->cmd.scan->end_state);
- if (cmd->cmd.scan->ir_scan) LOG_DEBUG("scan ir");
- else LOG_DEBUG("scan dr");
+ LOG_DEBUG("scan end in %i", cmd->cmd.scan->end_state);
+ if (cmd->cmd.scan->ir_scan)
+ LOG_DEBUG("scan ir");
+ else
+ LOG_DEBUG("scan dr");
#endif
- bitq_end_state(cmd->cmd.scan->end_state);
- bitq_scan(cmd->cmd.scan);
- if (cur_state != end_state) bitq_state_move(end_state);
- break;
+ bitq_end_state(cmd->cmd.scan->end_state);
+ bitq_scan(cmd->cmd.scan);
+ if ( tap_get_state() != tap_get_end_state() )
+ bitq_state_move( tap_get_end_state() );
+ break;
- case JTAG_SLEEP:
+ case JTAG_SLEEP:
#ifdef _DEBUG_JTAG_IO_
- LOG_DEBUG("sleep %i", cmd->cmd.sleep->us);
+ LOG_DEBUG("sleep %i", cmd->cmd.sleep->us);
#endif
- bitq_interface->sleep(cmd->cmd.sleep->us);
- if (bitq_interface->in_rdy()) bitq_in_proc();
- break;
+ bitq_interface->sleep(cmd->cmd.sleep->us);
+ if ( bitq_interface->in_rdy() )
+ bitq_in_proc();
+ break;
- default:
- LOG_ERROR("BUG: unknown JTAG command type encountered");
- exit(-1);
+ default:
+ LOG_ERROR("BUG: unknown JTAG command type encountered");
+ exit(-1);
}
cmd = cmd->next;
bitq_interface->flush();
bitq_in_proc();
- if (bitq_in_state.cmd) {
+ if (bitq_in_state.cmd)
+ {
LOG_ERROR("missing data from bitq interface");
return ERROR_JTAG_QUEUE_FAILED;
}
- if (bitq_interface->in()>=0) {
+ if (bitq_interface->in()>=0)
+ {
LOG_ERROR("extra data from bitq interface");
return ERROR_JTAG_QUEUE_FAILED;
}
return bitq_in_state.status;
}
+
void bitq_cleanup(void)
{
if (bitq_in_buffer!=NULL)
{
free(bitq_in_buffer);
- bitq_in_buffer=NULL;
+ bitq_in_buffer = NULL;
}
}
\r
static int clock_count; /* count clocks in any stable state, only stable states */\r
\r
-\r
-static tap_state_t tap_state_transition(tap_state_t cur_state, int tms);\r
-\r
static u32 dummy_data;\r
\r
\r
clock_count = 0;\r
}\r
\r
- LOG_DEBUG("dummy_tap: %s", jtag_state_name(dummy_state) );\r
+ LOG_DEBUG("dummy_tap: %s", tap_state_name(dummy_state) );\r
\r
#if defined(DEBUG)\r
if(dummy_state == TAP_DRCAPTURE)\r
if (trst || (srst && (jtag_reset_config & RESET_SRST_PULLS_TRST)))\r
dummy_state = TAP_RESET;\r
\r
- LOG_DEBUG("reset to: %s", jtag_state_name(dummy_state) );\r
+ LOG_DEBUG("reset to: %s", tap_state_name(dummy_state) );\r
}\r
\r
static int dummy_khz(int khz, int *jtag_speed)\r
{\r
}\r
\r
-\r
-/**\r
- * Function tap_state_transition\r
- * takes a current TAP state and returns the next state according to the tms value.\r
- *\r
- * Even though there is code to duplicate this elsewhere, we do it here a little\r
- * differently just to get a second opinion, i.e. a verification, on state tracking\r
- * in that other logic. Plus array lookups without index checking are no favorite thing.\r
- * This is educational for developers new to TAP controllers.\r
- */\r
-static tap_state_t tap_state_transition(tap_state_t cur_state, int tms)\r
-{\r
- tap_state_t new_state;\r
-\r
- if (tms)\r
- {\r
- switch (cur_state)\r
- {\r
- case TAP_RESET:\r
- new_state = cur_state;\r
- break;\r
- case TAP_IDLE:\r
- case TAP_DRUPDATE:\r
- case TAP_IRUPDATE:\r
- new_state = TAP_DRSELECT;\r
- break;\r
- case TAP_DRSELECT:\r
- new_state = TAP_IRSELECT;\r
- break;\r
- case TAP_DRCAPTURE:\r
- case TAP_DRSHIFT:\r
- new_state = TAP_DREXIT1;\r
- break;\r
- case TAP_DREXIT1:\r
- case TAP_DREXIT2:\r
- new_state = TAP_DRUPDATE;\r
- break;\r
- case TAP_DRPAUSE:\r
- new_state = TAP_DREXIT2;\r
- break;\r
- case TAP_IRSELECT:\r
- new_state = TAP_RESET;\r
- break;\r
- case TAP_IRCAPTURE:\r
- case TAP_IRSHIFT:\r
- new_state = TAP_IREXIT1;\r
- break;\r
- case TAP_IREXIT1:\r
- case TAP_IREXIT2:\r
- new_state = TAP_IRUPDATE;\r
- break;\r
- case TAP_IRPAUSE:\r
- new_state = TAP_IREXIT2;\r
- break;\r
- default:\r
- LOG_ERROR( "fatal: invalid argument cur_state=%d", cur_state );\r
- exit(1);\r
- break;\r
- }\r
- }\r
- else\r
- {\r
- switch (cur_state)\r
- {\r
- case TAP_RESET:\r
- case TAP_IDLE:\r
- case TAP_DRUPDATE:\r
- case TAP_IRUPDATE:\r
- new_state = TAP_IDLE;\r
- break;\r
- case TAP_DRSELECT:\r
- new_state = TAP_DRCAPTURE;\r
- break;\r
- case TAP_DRCAPTURE:\r
- case TAP_DRSHIFT:\r
- case TAP_DREXIT2:\r
- new_state = TAP_DRSHIFT;\r
- break;\r
- case TAP_DREXIT1:\r
- case TAP_DRPAUSE:\r
- new_state = TAP_DRPAUSE;\r
- break;\r
- case TAP_IRSELECT:\r
- new_state = TAP_IRCAPTURE;\r
- break;\r
- case TAP_IRCAPTURE:\r
- case TAP_IRSHIFT:\r
- case TAP_IREXIT2:\r
- new_state = TAP_IRSHIFT;\r
- break;\r
- case TAP_IREXIT1:\r
- case TAP_IRPAUSE:\r
- new_state = TAP_IRPAUSE;\r
- break;\r
- default:\r
- LOG_ERROR( "fatal: invalid argument cur_state=%d", cur_state );\r
- exit(1);\r
- break;\r
- }\r
- }\r
-\r
- return new_state;\r
-}\r
/***************************************************************************
- * Copyright (C) 2004, 2006 by Dominic Rath *
- * Dominic.Rath@gmx.de *
- * *
- * Copyright (C) 2008 by Spencer Oliver *
- * spen@spen-soft.co.uk *
- * *
- * This program is free software; you can redistribute it and/or modify *
- * it under the terms of the GNU General Public License as published by *
- * the Free Software Foundation; either version 2 of the License, or *
- * (at your option) any later version. *
- * *
- * This program is distributed in the hope that it will be useful, *
- * but WITHOUT ANY WARRANTY; without even the implied warranty of *
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
- * GNU General Public License for more details. *
- * *
- * You should have received a copy of the GNU General Public License *
- * along with this program; if not, write to the *
- * Free Software Foundation, Inc., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
- ***************************************************************************/
+* Copyright (C) 2004, 2006 by Dominic Rath *
+* Dominic.Rath@gmx.de *
+* *
+* Copyright (C) 2008 by Spencer Oliver *
+* spen@spen-soft.co.uk *
+* *
+* This program is free software; you can redistribute it and/or modify *
+* it under the terms of the GNU General Public License as published by *
+* the Free Software Foundation; either version 2 of the License, or *
+* (at your option) any later version. *
+* *
+* This program is distributed in the hope that it will be useful, *
+* but WITHOUT ANY WARRANTY; without even the implied warranty of *
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+* GNU General Public License for more details. *
+* *
+* You should have received a copy of the GNU General Public License *
+* along with this program; if not, write to the *
+* Free Software Foundation, Inc., *
+* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+***************************************************************************/
+
+
+/* This code uses information contained in the MPSSE specification which was
+ * found here:
+ * http://www.ftdichip.com/Documents/AppNotes/AN2232C-01_MPSSE_Cmnd.pdf
+ * Hereafter this is called the "MPSSE Spec".
+ */
+
+
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
int ft2232_execute_queue(void);
int ft2232_speed(int speed);
-int ft2232_speed_div(int speed, int *khz);
-int ft2232_khz(int khz, int *jtag_speed);
-int ft2232_register_commands(struct command_context_s *cmd_ctx);
+int ft2232_speed_div(int speed, int* khz);
+int ft2232_khz(int khz, int* jtag_speed);
+int ft2232_register_commands(struct command_context_s* cmd_ctx);
int ft2232_init(void);
int ft2232_quit(void);
-int ft2232_handle_device_desc_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-int ft2232_handle_serial_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-int ft2232_handle_layout_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-int ft2232_handle_vid_pid_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-int ft2232_handle_latency_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+int ft2232_handle_device_desc_command(struct command_context_s* cmd_ctx, char* cmd, char** args, int argc);
+int ft2232_handle_serial_command(struct command_context_s* cmd_ctx, char* cmd, char** args, int argc);
+int ft2232_handle_layout_command(struct command_context_s* cmd_ctx, char* cmd, char** args, int argc);
+int ft2232_handle_vid_pid_command(struct command_context_s* cmd_ctx, char* cmd, char** args, int argc);
+int ft2232_handle_latency_command(struct command_context_s* cmd_ctx, char* cmd, char** args, int argc);
/**
* @param num_cycles is the count of clocks cycles to send.
* @return int - ERROR_OK or ERROR_JTAG_QUEUE_FAILED
*/
-static int ft2232_stableclocks(int num_cycles, jtag_command_t *cmd);
+static int ft2232_stableclocks(int num_cycles, jtag_command_t* cmd);
-char *ft2232_device_desc = NULL;
-char *ft2232_serial = NULL;
-char *ft2232_layout = NULL;
+char* ft2232_device_desc = NULL;
+char* ft2232_serial = NULL;
+char* ft2232_layout = NULL;
unsigned char ft2232_latency = 2;
-#define MAX_USB_IDS 8
+#define MAX_USB_IDS 8
/* vid = pid = 0 marks the end of the list */
-static u16 ft2232_vid[MAX_USB_IDS+1] = { 0x0403, 0 };
-static u16 ft2232_pid[MAX_USB_IDS+1] = { 0x6010, 0 };
+static u16 ft2232_vid[MAX_USB_IDS + 1] = { 0x0403, 0 };
+static u16 ft2232_pid[MAX_USB_IDS + 1] = { 0x6010, 0 };
typedef struct ft2232_layout_s
{
char* name;
- int(*init)(void);
- void(*reset)(int trst, int srst);
- void(*blink)(void);
+ int (*init)(void);
+ void (*reset)(int trst, int srst);
+ void (*blink)(void);
} ft2232_layout_t;
/* init procedures for supported layouts */
-int usbjtag_init(void);
-int jtagkey_init(void);
-int olimex_jtag_init(void);
-int flyswatter_init(void);
-int turtle_init(void);
-int comstick_init(void);
-int stm32stick_init(void);
-int axm0432_jtag_init(void);
+int usbjtag_init(void);
+int jtagkey_init(void);
+int olimex_jtag_init(void);
+int flyswatter_init(void);
+int turtle_init(void);
+int comstick_init(void);
+int stm32stick_init(void);
+int axm0432_jtag_init(void);
/* reset procedures for supported layouts */
void usbjtag_reset(int trst, int srst);
void olimex_jtag_blink(void);
void turtle_jtag_blink(void);
-ft2232_layout_t ft2232_layouts[] =
+ft2232_layout_t ft2232_layouts[] =
{
- {"usbjtag", usbjtag_init, usbjtag_reset, NULL},
- {"jtagkey", jtagkey_init, jtagkey_reset, NULL},
- {"jtagkey_prototype_v1", jtagkey_init, jtagkey_reset, NULL},
- {"oocdlink", jtagkey_init, jtagkey_reset, NULL},
- {"signalyzer", usbjtag_init, usbjtag_reset, NULL},
- {"evb_lm3s811", usbjtag_init, usbjtag_reset, NULL},
- {"olimex-jtag", olimex_jtag_init, olimex_jtag_reset, olimex_jtag_blink},
- {"flyswatter", flyswatter_init, flyswatter_reset, NULL},
- {"turtelizer2", turtle_init, turtle_reset, turtle_jtag_blink},
- {"comstick", comstick_init, comstick_reset, NULL},
- {"stm32stick", stm32stick_init, stm32stick_reset, NULL},
- {"axm0432_jtag", axm0432_jtag_init, axm0432_jtag_reset, NULL},
- {NULL, NULL, NULL},
+ { "usbjtag", usbjtag_init, usbjtag_reset, NULL },
+ { "jtagkey", jtagkey_init, jtagkey_reset, NULL },
+ { "jtagkey_prototype_v1", jtagkey_init, jtagkey_reset, NULL },
+ { "oocdlink", jtagkey_init, jtagkey_reset, NULL },
+ { "signalyzer", usbjtag_init, usbjtag_reset, NULL },
+ { "evb_lm3s811", usbjtag_init, usbjtag_reset, NULL },
+ { "olimex-jtag", olimex_jtag_init, olimex_jtag_reset, olimex_jtag_blink },
+ { "flyswatter", flyswatter_init, flyswatter_reset, NULL },
+ { "turtelizer2", turtle_init, turtle_reset, turtle_jtag_blink },
+ { "comstick", comstick_init, comstick_reset, NULL },
+ { "stm32stick", stm32stick_init, stm32stick_reset, NULL },
+ { "axm0432_jtag", axm0432_jtag_init, axm0432_jtag_reset, NULL },
+ { NULL, NULL, NULL },
};
-static u8 nTRST, nTRSTnOE, nSRST, nSRSTnOE;
+static u8 nTRST, nTRSTnOE, nSRST, nSRSTnOE;
-static ft2232_layout_t *layout;
-static u8 low_output = 0x0;
-static u8 low_direction = 0x0;
-static u8 high_output = 0x0;
-static u8 high_direction = 0x0;
+static ft2232_layout_t* layout;
+static u8 low_output = 0x0;
+static u8 low_direction = 0x0;
+static u8 high_output = 0x0;
+static u8 high_direction = 0x0;
#if BUILD_FT2232_FTD2XX == 1
-static FT_HANDLE ftdih = NULL;
+static FT_HANDLE ftdih = NULL;
#elif BUILD_FT2232_LIBFTDI == 1
static struct ftdi_context ftdic;
#endif
-static jtag_command_t *first_unsent; /* next command that has to be sent */
-static int require_send;
+static jtag_command_t* first_unsent; /* next command that has to be sent */
+static int require_send;
-static u8 *ft2232_buffer = NULL;
-static int ft2232_buffer_size = 0;
-static int ft2232_read_pointer = 0;
-static int ft2232_expect_read = 0;
+static u8* ft2232_buffer = NULL;
+static int ft2232_buffer_size = 0;
+static int ft2232_read_pointer = 0;
+static int ft2232_expect_read = 0;
-#define FT2232_BUFFER_SIZE 131072
-#define BUFFER_ADD ft2232_buffer[ft2232_buffer_size++]
-#define BUFFER_READ ft2232_buffer[ft2232_read_pointer++]
+#define FT2232_BUFFER_SIZE 131072
+#define BUFFER_ADD ft2232_buffer[ft2232_buffer_size++]
+#define BUFFER_READ ft2232_buffer[ft2232_read_pointer++]
jtag_interface_t ft2232_interface =
{
- .name = "ft2232",
+ .name = "ft2232",
.execute_queue = ft2232_execute_queue,
- .speed = ft2232_speed,
+ .speed = ft2232_speed,
.speed_div = ft2232_speed_div,
- .khz = ft2232_khz,
- .register_commands = ft2232_register_commands,
+ .khz = ft2232_khz,
+ .register_commands = ft2232_register_commands,
.init = ft2232_init,
.quit = ft2232_quit,
};
-int ft2232_write(u8 *buf, int size, u32* bytes_written)
+int ft2232_write(u8* buf, int size, u32* bytes_written)
{
#if BUILD_FT2232_FTD2XX == 1
FT_STATUS status;
- DWORD dw_bytes_written;
- if ((status = FT_Write(ftdih, buf, size, &dw_bytes_written)) != FT_OK)
+ DWORD dw_bytes_written;
+ if ( ( status = FT_Write(ftdih, buf, size, &dw_bytes_written) ) != FT_OK )
{
*bytes_written = dw_bytes_written;
LOG_ERROR("FT_Write returned: %lu", status);
}
#elif BUILD_FT2232_LIBFTDI == 1
int retval;
- if ((retval = ftdi_write_data(&ftdic, buf, size)) < 0)
+ if ( ( retval = ftdi_write_data(&ftdic, buf, size) ) < 0 )
{
*bytes_written = 0;
- LOG_ERROR("ftdi_write_data: %s", ftdi_get_error_string(&ftdic));
+ LOG_ERROR( "ftdi_write_data: %s", ftdi_get_error_string(&ftdic) );
return ERROR_JTAG_DEVICE_ERROR;
}
else
#endif
}
+
int ft2232_read(u8* buf, int size, u32* bytes_read)
{
#if BUILD_FT2232_FTD2XX == 1
- DWORD dw_bytes_read;
+ DWORD dw_bytes_read;
FT_STATUS status;
- int timeout = 5;
+ int timeout = 5;
*bytes_read = 0;
- while ((*bytes_read < size) && timeout--)
+ while ( (*bytes_read < size) && timeout-- )
{
- if ((status = FT_Read(ftdih, buf + *bytes_read, size -
- *bytes_read, &dw_bytes_read)) != FT_OK)
+ if ( ( status = FT_Read(ftdih, buf + *bytes_read, size -
+ *bytes_read, &dw_bytes_read) ) != FT_OK )
{
*bytes_read = 0;
LOG_ERROR("FT_Read returned: %lu", status);
}
*bytes_read += dw_bytes_read;
}
+
#elif BUILD_FT2232_LIBFTDI == 1
int retval;
int timeout = 100;
*bytes_read = 0;
- while ((*bytes_read < size) && timeout--)
+ while ( (*bytes_read < size) && timeout-- )
{
- if ((retval = ftdi_read_data(&ftdic, buf + *bytes_read, size - *bytes_read)) < 0)
+ if ( ( retval = ftdi_read_data(&ftdic, buf + *bytes_read, size - *bytes_read) ) < 0 )
{
*bytes_read = 0;
- LOG_ERROR("ftdi_read_data: %s", ftdi_get_error_string(&ftdic));
+ LOG_ERROR( "ftdi_read_data: %s", ftdi_get_error_string(&ftdic) );
return ERROR_JTAG_DEVICE_ERROR;
}
*bytes_read += retval;
}
+
#endif
if (*bytes_read < size)
return ERROR_OK;
}
+
int ft2232_speed(int speed)
{
- u8 buf[3];
+ u8 buf[3];
int retval;
u32 bytes_written;
- buf[0] = 0x86; /* command "set divisor" */
- buf[1] = speed & 0xff; /* valueL (0=6MHz, 1=3MHz, 2=2.0MHz, ...*/
- buf[2] = (speed >> 8) & 0xff; /* valueH */
+ buf[0] = 0x86; /* command "set divisor" */
+ buf[1] = speed & 0xff; /* valueL (0=6MHz, 1=3MHz, 2=2.0MHz, ...*/
+ buf[2] = (speed >> 8) & 0xff; /* valueH */
LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);
- if (((retval = ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))
+ if ( ( ( retval = ft2232_write(buf, 3, &bytes_written) ) != ERROR_OK ) || (bytes_written != 3) )
{
LOG_ERROR("couldn't set FT2232 TCK speed");
return retval;
return ERROR_OK;
}
-int ft2232_speed_div(int speed, int *khz)
+
+int ft2232_speed_div(int speed, int* khz)
{
/* Take a look in the FT2232 manual,
* AN2232C-01 Command Processor for
* MPSSE and MCU Host Bus. Chapter 3.8 */
- *khz = 6000 / (1+speed);
+ *khz = 6000 / (1 + speed);
return ERROR_OK;
}
-int ft2232_khz(int khz, int *jtag_speed)
+
+int ft2232_khz(int khz, int* jtag_speed)
{
if (khz==0)
{
LOG_ERROR("RCLK not supported");
return ERROR_FAIL;
}
+
/* Take a look in the FT2232 manual,
* AN2232C-01 Command Processor for
* MPSSE and MCU Host Bus. Chapter 3.8
return ERROR_OK;
}
-int ft2232_register_commands(struct command_context_s *cmd_ctx)
+
+int ft2232_register_commands(struct command_context_s* cmd_ctx)
{
register_command(cmd_ctx, NULL, "ft2232_device_desc", ft2232_handle_device_desc_command,
- COMMAND_CONFIG, "the USB device description of the FTDI FT2232 device");
+ COMMAND_CONFIG, "the USB device description of the FTDI FT2232 device");
register_command(cmd_ctx, NULL, "ft2232_serial", ft2232_handle_serial_command,
- COMMAND_CONFIG, "the serial number of the FTDI FT2232 device");
+ COMMAND_CONFIG, "the serial number of the FTDI FT2232 device");
register_command(cmd_ctx, NULL, "ft2232_layout", ft2232_handle_layout_command,
- COMMAND_CONFIG, "the layout of the FT2232 GPIO signals used to control output-enables and reset signals");
+ COMMAND_CONFIG, "the layout of the FT2232 GPIO signals used to control output-enables and reset signals");
register_command(cmd_ctx, NULL, "ft2232_vid_pid", ft2232_handle_vid_pid_command,
- COMMAND_CONFIG, "the vendor ID and product ID of the FTDI FT2232 device");
+ COMMAND_CONFIG, "the vendor ID and product ID of the FTDI FT2232 device");
register_command(cmd_ctx, NULL, "ft2232_latency", ft2232_handle_latency_command,
- COMMAND_CONFIG, "set the FT2232 latency timer to a new value");
+ COMMAND_CONFIG, "set the FT2232 latency timer to a new value");
return ERROR_OK;
}
-void ft2232_end_state(enum tap_state state)
+
+void ft2232_end_state(tap_state_t state)
{
- if (tap_move_map[state] != -1)
- end_state = state;
+ if (tap_is_state_stable(state))
+ tap_set_end_state(state);
else
{
LOG_ERROR("BUG: %i is not a valid end state", state);
}
}
+
void ft2232_read_scan(enum scan_type type, u8* buffer, int scan_size)
{
int num_bytes = (scan_size + 7) / 8;
int bits_left = scan_size;
- int cur_byte = 0;
+ int cur_byte = 0;
- while(num_bytes-- > 1)
+ while (num_bytes-- > 1)
{
buffer[cur_byte] = BUFFER_READ;
cur_byte++;
buffer[cur_byte] = BUFFER_READ >> 1;
}
- buffer[cur_byte] = (buffer[cur_byte] | ((BUFFER_READ & 0x02) << 6)) >> (8 - bits_left);
-
+ buffer[cur_byte] = ( buffer[cur_byte] | ( (BUFFER_READ & 0x02) << 6 ) ) >> (8 - bits_left);
}
+
void ft2232_debug_dump_buffer(void)
{
- int i;
- char line[256];
- char *line_p = line;
+ int i;
+ char line[256];
+ char* line_p = line;
for (i = 0; i < ft2232_buffer_size; i++)
{
LOG_DEBUG("%s", line);
}
-int ft2232_send_and_recv(jtag_command_t *first, jtag_command_t *last)
+
+int ft2232_send_and_recv(jtag_command_t* first, jtag_command_t* last)
{
- jtag_command_t *cmd;
- u8 *buffer;
- int scan_size;
- enum scan_type type;
- int retval;
- u32 bytes_written;
- u32 bytes_read;
+ jtag_command_t* cmd;
+ u8* buffer;
+ int scan_size;
+ enum scan_type type;
+ int retval;
+ u32 bytes_written;
+ u32 bytes_read;
#ifdef _DEBUG_USB_IO_
- struct timeval start, inter, inter2, end;
- struct timeval d_inter, d_inter2, d_end;
+ struct timeval start, inter, inter2, end;
+ struct timeval d_inter, d_inter2, d_end;
#endif
#ifdef _DEBUG_USB_COMMS_
gettimeofday(&start, NULL);
#endif
- if ((retval = ft2232_write(ft2232_buffer, ft2232_buffer_size, &bytes_written)) != ERROR_OK)
+ if ( ( retval = ft2232_write(ft2232_buffer, ft2232_buffer_size, &bytes_written) ) != ERROR_OK )
{
LOG_ERROR("couldn't write MPSSE commands to FT2232");
return retval;
gettimeofday(&inter2, NULL);
#endif
- if ((retval = ft2232_read(ft2232_buffer, ft2232_expect_read, &bytes_read)) != ERROR_OK)
+ if ( ( retval = ft2232_read(ft2232_buffer, ft2232_expect_read, &bytes_read) ) != ERROR_OK )
{
LOG_ERROR("couldn't read from FT2232");
return retval;
timeval_subtract(&d_inter2, &inter2, &start);
timeval_subtract(&d_end, &end, &start);
- LOG_INFO("inter: %i.%06i, inter2: %i.%06i end: %i.%06i", d_inter.tv_sec, d_inter.tv_usec, d_inter2.tv_sec, d_inter2.tv_usec, d_end.tv_sec, d_end.tv_usec);
+ LOG_INFO("inter: %i.%06i, inter2: %i.%06i end: %i.%06i", d_inter.tv_sec, d_inter.tv_usec, d_inter2.tv_sec,
+ d_inter2.tv_usec, d_end.tv_sec,
+ d_end.tv_usec);
#endif
-
ft2232_buffer_size = bytes_read;
if (ft2232_expect_read != ft2232_buffer_size)
{
- LOG_ERROR("ft2232_expect_read (%i) != ft2232_buffer_size (%i) (%i retries)", ft2232_expect_read, ft2232_buffer_size, 100 - timeout);
+ LOG_ERROR("ft2232_expect_read (%i) != ft2232_buffer_size (%i) (%i retries)", ft2232_expect_read,
+ ft2232_buffer_size,
+ 100 - timeout);
ft2232_debug_dump_buffer();
exit(-1);
#endif
}
- ft2232_expect_read = 0;
+ ft2232_expect_read = 0;
ft2232_read_pointer = 0;
/* return ERROR_OK, unless a jtag_read_buffer returns a failed check
{
switch (cmd->type)
{
- case JTAG_SCAN:
- type = jtag_scan_type(cmd->cmd.scan);
- if (type != SCAN_OUT)
- {
- scan_size = jtag_scan_size(cmd->cmd.scan);
- buffer = calloc(CEIL(scan_size, 8), 1);
- ft2232_read_scan(type, buffer, scan_size);
- if (jtag_read_buffer(buffer, cmd->cmd.scan) != ERROR_OK)
- retval = ERROR_JTAG_QUEUE_FAILED;
- free(buffer);
- }
- break;
- default:
- break;
+ case JTAG_SCAN:
+ type = jtag_scan_type(cmd->cmd.scan);
+ if (type != SCAN_OUT)
+ {
+ scan_size = jtag_scan_size(cmd->cmd.scan);
+ buffer = calloc(CEIL(scan_size, 8), 1);
+ ft2232_read_scan(type, buffer, scan_size);
+ if (jtag_read_buffer(buffer, cmd->cmd.scan) != ERROR_OK)
+ retval = ERROR_JTAG_QUEUE_FAILED;
+ free(buffer);
+ }
+ break;
+
+ default:
+ break;
}
+
cmd = cmd->next;
}
return retval;
}
-void ft2232_add_pathmove(pathmove_command_t *cmd)
+
+void ft2232_add_pathmove(pathmove_command_t* cmd)
{
int num_states = cmd->num_states;
- u8 tms_byte;
- int state_count;
+ int state_count = 0;
- state_count = 0;
while (num_states)
{
+ u8 tms_byte = 0; /* zero this on each MPSSE batch */
+
int bit_count = 0;
int num_states_batch = num_states > 7 ? 7 : num_states;
- tms_byte = 0x0;
/* command "Clock Data to TMS/CS Pin (no Read)" */
BUFFER_ADD = 0x4b;
+
/* number of states remaining */
BUFFER_ADD = num_states_batch - 1;
while (num_states_batch--)
{
- if (tap_transitions[cur_state].low == cmd->path[state_count])
+ if (tap_state_transition(tap_get_state(), FALSE) == cmd->path[state_count])
buf_set_u32(&tms_byte, bit_count++, 1, 0x0);
- else if (tap_transitions[cur_state].high == cmd->path[state_count])
+ else if (tap_state_transition(tap_get_state(), TRUE) == cmd->path[state_count])
buf_set_u32(&tms_byte, bit_count++, 1, 0x1);
else
{
- LOG_ERROR("BUG: %s -> %s isn't a valid TAP transition", jtag_state_name(cur_state), jtag_state_name(cmd->path[state_count]));
+ LOG_ERROR( "BUG: %s -> %s isn't a valid TAP transition", tap_state_name(
+ tap_get_state() ), tap_state_name(cmd->path[state_count]) );
exit(-1);
}
- cur_state = cmd->path[state_count];
+ tap_set_state(cmd->path[state_count]);
state_count++;
num_states--;
}
BUFFER_ADD = tms_byte;
}
-
- end_state = cur_state;
+
+ tap_set_end_state(tap_get_state());
}
-void ft2232_add_scan(int ir_scan, enum scan_type type, u8 *buffer, int scan_size)
+
+void ft2232_add_scan(int ir_scan, enum scan_type type, u8* buffer, int scan_size)
{
int num_bytes = (scan_size + 7) / 8;
int bits_left = scan_size;
- int cur_byte = 0;
+ int cur_byte = 0;
int last_bit;
- if (!((!ir_scan && (cur_state == TAP_DRSHIFT)) || (ir_scan && (cur_state == TAP_IRSHIFT))))
+ if ( !( ( !ir_scan && (tap_get_state() == TAP_DRSHIFT) )
+ || ( ir_scan && (tap_get_state() == TAP_IRSHIFT) ) ) )
{
/* command "Clock Data to TMS/CS Pin (no Read)" */
BUFFER_ADD = 0x4b;
- /* scan 7 bit */
- BUFFER_ADD = 0x6;
+
+ BUFFER_ADD = 0x6; /* scan 7 bits */
+
/* TMS data bits */
if (ir_scan)
{
- BUFFER_ADD = TAP_MOVE(cur_state, TAP_IRSHIFT);
- cur_state = TAP_IRSHIFT;
+ BUFFER_ADD = tap_get_tms_path(tap_get_state(), TAP_IRSHIFT);
+ tap_set_state(TAP_IRSHIFT);
}
else
{
- BUFFER_ADD = TAP_MOVE(cur_state, TAP_DRSHIFT);
- cur_state = TAP_DRSHIFT;
+ BUFFER_ADD = tap_get_tms_path(tap_get_state(), TAP_DRSHIFT);
+ tap_set_state(TAP_DRSHIFT);
}
/* LOG_DEBUG("added TMS scan (no read)"); */
}
BUFFER_ADD = 0x28;
/* LOG_DEBUG("added TDI bytes (i %i)", num_bytes); */
}
+
thisrun_bytes = (num_bytes > 65537) ? 65536 : (num_bytes - 1);
- num_bytes -= thisrun_bytes;
- BUFFER_ADD = (thisrun_bytes - 1) & 0xff;
- BUFFER_ADD = ((thisrun_bytes - 1) >> 8) & 0xff;
+ num_bytes -= thisrun_bytes;
+ BUFFER_ADD = (thisrun_bytes - 1) & 0xff;
+ BUFFER_ADD = ( (thisrun_bytes - 1) >> 8 ) & 0xff;
+
if (type != SCAN_IN)
{
/* add complete bytes */
- while(thisrun_bytes-- > 0)
+ while (thisrun_bytes-- > 0)
{
BUFFER_ADD = buffer[cur_byte];
cur_byte++;
/* the most signifcant bit is scanned during TAP movement */
if (type != SCAN_IN)
- last_bit = (buffer[cur_byte] >> (bits_left - 1)) & 0x1;
+ last_bit = ( buffer[cur_byte] >> (bits_left - 1) ) & 0x1;
else
last_bit = 0;
BUFFER_ADD = buffer[cur_byte];
}
- if ((ir_scan && (end_state == TAP_IRSHIFT)) ||
- (!ir_scan && (end_state == TAP_DRSHIFT)))
+ if ( ( ir_scan && (tap_get_end_state() == TAP_IRSHIFT) )
+ || ( !ir_scan && (tap_get_end_state() == TAP_DRSHIFT) ) )
{
if (type == SCAN_IO)
{
BUFFER_ADD = 0x4b;
/* LOG_DEBUG("added TMS scan (no read)"); */
}
- BUFFER_ADD = 0x6;
- BUFFER_ADD = TAP_MOVE(cur_state, end_state) | (last_bit << 7);
- cur_state = end_state;
+ BUFFER_ADD = 0x6; /* scan 7 bits */
+
+ BUFFER_ADD = tap_get_tms_path( tap_get_state(), tap_get_end_state() ) | (last_bit << 7);
+ tap_set_state( tap_get_end_state() );
}
}
-int ft2232_large_scan(scan_command_t *cmd, enum scan_type type, u8 *buffer, int scan_size)
+
+int ft2232_large_scan(scan_command_t* cmd, enum scan_type type, u8* buffer, int scan_size)
{
int num_bytes = (scan_size + 7) / 8;
int bits_left = scan_size;
- int cur_byte = 0;
+ int cur_byte = 0;
int last_bit;
- u8 *receive_buffer = malloc(CEIL(scan_size, 8));
- u8 *receive_pointer = receive_buffer;
+ u8* receive_buffer = malloc( CEIL(scan_size, 8) );
+ u8* receive_pointer = receive_buffer;
u32 bytes_written;
u32 bytes_read;
int retval;
exit(-1);
}
- if (cur_state != TAP_DRSHIFT)
+ if (tap_get_state() != TAP_DRSHIFT)
{
/* command "Clock Data to TMS/CS Pin (no Read)" */
BUFFER_ADD = 0x4b;
- /* scan 7 bit */
- BUFFER_ADD = 0x6;
+
+ BUFFER_ADD = 0x6; /* scan 7 bits */
+
/* TMS data bits */
- BUFFER_ADD = TAP_MOVE(cur_state, TAP_DRSHIFT);
- cur_state = TAP_DRSHIFT;
+ BUFFER_ADD = tap_get_tms_path(tap_get_state(), TAP_DRSHIFT);
+ tap_set_state(TAP_DRSHIFT);
}
- if ((retval = ft2232_write(ft2232_buffer, ft2232_buffer_size, &bytes_written)) != ERROR_OK)
+ if ( ( retval = ft2232_write(ft2232_buffer, ft2232_buffer_size, &bytes_written) ) != ERROR_OK )
{
LOG_ERROR("couldn't write MPSSE commands to FT2232");
exit(-1);
BUFFER_ADD = 0x28;
/* LOG_DEBUG("added TDI bytes (i %i)", num_bytes); */
}
+
thisrun_bytes = (num_bytes > 65537) ? 65536 : (num_bytes - 1);
- thisrun_read = thisrun_bytes;
- num_bytes -= thisrun_bytes;
- BUFFER_ADD = (thisrun_bytes - 1) & 0xff;
- BUFFER_ADD = ((thisrun_bytes - 1) >> 8) & 0xff;
+ thisrun_read = thisrun_bytes;
+ num_bytes -= thisrun_bytes;
+ BUFFER_ADD = (thisrun_bytes - 1) & 0xff;
+ BUFFER_ADD = ( (thisrun_bytes - 1) >> 8 ) & 0xff;
+
if (type != SCAN_IN)
{
/* add complete bytes */
- while(thisrun_bytes-- > 0)
+ while (thisrun_bytes-- > 0)
{
BUFFER_ADD = buffer[cur_byte];
cur_byte++;
bits_left -= 8 * (thisrun_bytes);
}
- if ((retval = ft2232_write(ft2232_buffer, ft2232_buffer_size, &bytes_written)) != ERROR_OK)
+ if ( ( retval = ft2232_write(ft2232_buffer, ft2232_buffer_size, &bytes_written) ) != ERROR_OK )
{
LOG_ERROR("couldn't write MPSSE commands to FT2232");
exit(-1);
if (type != SCAN_OUT)
{
- if ((retval = ft2232_read(receive_pointer, thisrun_read, &bytes_read)) != ERROR_OK)
+ if ( ( retval = ft2232_read(receive_pointer, thisrun_read, &bytes_read) ) != ERROR_OK )
{
LOG_ERROR("couldn't read from FT2232");
exit(-1);
/* the most signifcant bit is scanned during TAP movement */
if (type != SCAN_IN)
- last_bit = (buffer[cur_byte] >> (bits_left - 1)) & 0x1;
+ last_bit = ( buffer[cur_byte] >> (bits_left - 1) ) & 0x1;
else
last_bit = 0;
thisrun_read += 2;
}
- if (end_state == TAP_DRSHIFT)
+ if (tap_get_end_state() == TAP_DRSHIFT)
{
if (type == SCAN_IO)
{
/* LOG_DEBUG("added TMS scan (no read)"); */
}
BUFFER_ADD = 0x6;
- BUFFER_ADD = TAP_MOVE(cur_state, end_state) | (last_bit << 7);
- cur_state = end_state;
+ BUFFER_ADD = tap_get_tms_path( tap_get_state(), tap_get_end_state() ) | (last_bit << 7);
+ tap_set_state( tap_get_end_state() );
}
if (type != SCAN_OUT)
thisrun_read += 1;
- if ((retval = ft2232_write(ft2232_buffer, ft2232_buffer_size, &bytes_written)) != ERROR_OK)
+ if ( ( retval = ft2232_write(ft2232_buffer, ft2232_buffer_size, &bytes_written) ) != ERROR_OK )
{
LOG_ERROR("couldn't write MPSSE commands to FT2232");
exit(-1);
if (type != SCAN_OUT)
{
- if ((retval = ft2232_read(receive_pointer, thisrun_read, &bytes_read)) != ERROR_OK)
+ if ( ( retval = ft2232_read(receive_pointer, thisrun_read, &bytes_read) ) != ERROR_OK )
{
LOG_ERROR("couldn't read from FT2232");
exit(-1);
return ERROR_OK;
}
+
int ft2232_predict_scan_out(int scan_size, enum scan_type type)
{
int predicted_size = 3;
int num_bytes = (scan_size - 1) / 8;
- if (cur_state != TAP_DRSHIFT)
+ if (tap_get_state() != TAP_DRSHIFT)
predicted_size += 3;
- if (type == SCAN_IN) /* only from device to host */
+ if (type == SCAN_IN) /* only from device to host */
{
/* complete bytes */
predicted_size += CEIL(num_bytes, 65536) * 3;
/* remaining bits - 1 (up to 7) */
- predicted_size += ((scan_size - 1) % 8) ? 2 : 0;
+ predicted_size += ( (scan_size - 1) % 8 ) ? 2 : 0;
}
- else /* host to device, or bidirectional */
+ else /* host to device, or bidirectional */
{
/* complete bytes */
predicted_size += num_bytes + CEIL(num_bytes, 65536) * 3;
/* remaining bits -1 (up to 7) */
- predicted_size += ((scan_size - 1) % 8) ? 3 : 0;
+ predicted_size += ( (scan_size - 1) % 8 ) ? 3 : 0;
}
return predicted_size;
}
+
int ft2232_predict_scan_in(int scan_size, enum scan_type type)
{
int predicted_size = 0;
{
/* complete bytes */
predicted_size += (CEIL(scan_size, 8) > 1) ? (CEIL(scan_size, 8) - 1) : 0;
+
/* remaining bits - 1 */
- predicted_size += ((scan_size - 1) % 8) ? 1 : 0;
+ predicted_size += ( (scan_size - 1) % 8 ) ? 1 : 0;
+
/* last bit (from TMS scan) */
predicted_size += 1;
}
return predicted_size;
}
+
void usbjtag_reset(int trst, int srst)
{
if (trst == 1)
{
if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)
- low_direction |= nTRSTnOE; /* switch to output pin (output is low) */
+ low_direction |= nTRSTnOE; /* switch to output pin (output is low) */
else
- low_output &= ~nTRST; /* switch output low */
+ low_output &= ~nTRST; /* switch output low */
}
else if (trst == 0)
{
if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)
low_direction &= ~nTRSTnOE; /* switch to input pin (high-Z + internal and external pullup) */
else
- low_output |= nTRST; /* switch output high */
+ low_output |= nTRST; /* switch output high */
}
if (srst == 1)
{
if (jtag_reset_config & RESET_SRST_PUSH_PULL)
- low_output &= ~nSRST; /* switch output low */
+ low_output &= ~nSRST; /* switch output low */
else
- low_direction |= nSRSTnOE; /* switch to output pin (output is low) */
+ low_direction |= nSRSTnOE; /* switch to output pin (output is low) */
}
else if (srst == 0)
{
if (jtag_reset_config & RESET_SRST_PUSH_PULL)
- low_output |= nSRST; /* switch output high */
+ low_output |= nSRST; /* switch output high */
else
- low_direction &= ~nSRSTnOE; /* switch to input pin (high-Z) */
+ low_direction &= ~nSRSTnOE; /* switch to input pin (high-Z) */
}
/* command "set data bits low byte" */
BUFFER_ADD = 0x80;
BUFFER_ADD = low_output;
BUFFER_ADD = low_direction;
-
}
+
void jtagkey_reset(int trst, int srst)
{
if (trst == 1)
BUFFER_ADD = 0x82;
BUFFER_ADD = high_output;
BUFFER_ADD = high_direction;
- LOG_DEBUG("trst: %i, srst: %i, high_output: 0x%2.2x, high_direction: 0x%2.2x", trst, srst, high_output, high_direction);
+ LOG_DEBUG("trst: %i, srst: %i, high_output: 0x%2.2x, high_direction: 0x%2.2x", trst, srst, high_output,
+ high_direction);
}
+
void olimex_jtag_reset(int trst, int srst)
{
if (trst == 1)
BUFFER_ADD = 0x82;
BUFFER_ADD = high_output;
BUFFER_ADD = high_direction;
- LOG_DEBUG("trst: %i, srst: %i, high_output: 0x%2.2x, high_direction: 0x%2.2x", trst, srst, high_output, high_direction);
+ LOG_DEBUG("trst: %i, srst: %i, high_output: 0x%2.2x, high_direction: 0x%2.2x", trst, srst, high_output,
+ high_direction);
}
+
void axm0432_jtag_reset(int trst, int srst)
{
if (trst == 1)
{
- cur_state = TAP_RESET;
+ tap_set_state(TAP_RESET);
high_output &= ~nTRST;
}
else if (trst == 0)
BUFFER_ADD = 0x82;
BUFFER_ADD = high_output;
BUFFER_ADD = high_direction;
- LOG_DEBUG("trst: %i, srst: %i, high_output: 0x%2.2x, high_direction: 0x%2.2x", trst, srst, high_output, high_direction);
+ LOG_DEBUG("trst: %i, srst: %i, high_output: 0x%2.2x, high_direction: 0x%2.2x", trst, srst, high_output,
+ high_direction);
}
+
void flyswatter_reset(int trst, int srst)
{
if (trst == 1)
LOG_DEBUG("trst: %i, srst: %i, low_output: 0x%2.2x, low_direction: 0x%2.2x", trst, srst, low_output, low_direction);
}
+
void turtle_reset(int trst, int srst)
{
trst = trst;
LOG_DEBUG("srst: %i, low_output: 0x%2.2x, low_direction: 0x%2.2x", srst, low_output, low_direction);
}
+
void comstick_reset(int trst, int srst)
{
if (trst == 1)
BUFFER_ADD = 0x82;
BUFFER_ADD = high_output;
BUFFER_ADD = high_direction;
- LOG_DEBUG("trst: %i, srst: %i, high_output: 0x%2.2x, high_direction: 0x%2.2x", trst, srst, high_output, high_direction);
+ LOG_DEBUG("trst: %i, srst: %i, high_output: 0x%2.2x, high_direction: 0x%2.2x", trst, srst, high_output,
+ high_direction);
}
+
void stm32stick_reset(int trst, int srst)
{
if (trst == 1)
BUFFER_ADD = 0x82;
BUFFER_ADD = high_output;
BUFFER_ADD = high_direction;
- LOG_DEBUG("trst: %i, srst: %i, high_output: 0x%2.2x, high_direction: 0x%2.2x", trst, srst, high_output, high_direction);
+ LOG_DEBUG("trst: %i, srst: %i, high_output: 0x%2.2x, high_direction: 0x%2.2x", trst, srst, high_output,
+ high_direction);
}
+
int ft2232_execute_queue()
{
- jtag_command_t *cmd = jtag_command_queue; /* currently processed command */
- u8 *buffer;
- int scan_size; /* size of IR or DR scan */
- enum scan_type type;
- int i;
- int predicted_size = 0;
- int retval;
-
- first_unsent = cmd; /* next command that has to be sent */
+ jtag_command_t* cmd = jtag_command_queue; /* currently processed command */
+ u8* buffer;
+ int scan_size; /* size of IR or DR scan */
+ enum scan_type type;
+ int i;
+ int predicted_size = 0;
+ int retval;
+
+ first_unsent = cmd; /* next command that has to be sent */
require_send = 0;
/* return ERROR_OK, unless ft2232_send_and_recv reports a failed check
while (cmd)
{
- switch(cmd->type)
+ switch (cmd->type)
{
- case JTAG_END_STATE:
- if (cmd->cmd.end_state->end_state != -1)
- ft2232_end_state(cmd->cmd.end_state->end_state);
- break;
+ case JTAG_END_STATE:
+ if (cmd->cmd.end_state->end_state != -1)
+ ft2232_end_state(cmd->cmd.end_state->end_state);
+ break;
- case JTAG_RESET:
- /* only send the maximum buffer size that FT2232C can handle */
- predicted_size = 3;
- if (ft2232_buffer_size + predicted_size + 1 > FT2232_BUFFER_SIZE)
- {
- if (ft2232_send_and_recv(first_unsent, cmd) != ERROR_OK)
- retval = ERROR_JTAG_QUEUE_FAILED;
- require_send = 0;
- first_unsent = cmd;
- }
-
- if ((cmd->cmd.reset->trst == 1) || (cmd->cmd.reset->srst && (jtag_reset_config & RESET_SRST_PULLS_TRST)))
- {
- cur_state = TAP_RESET;
- }
- layout->reset(cmd->cmd.reset->trst, cmd->cmd.reset->srst);
- require_send = 1;
+ case JTAG_RESET:
+ /* only send the maximum buffer size that FT2232C can handle */
+ predicted_size = 3;
+ if (ft2232_buffer_size + predicted_size + 1 > FT2232_BUFFER_SIZE)
+ {
+ if (ft2232_send_and_recv(first_unsent, cmd) != ERROR_OK)
+ retval = ERROR_JTAG_QUEUE_FAILED;
+ require_send = 0;
+ first_unsent = cmd;
+ }
+
+ if ( (cmd->cmd.reset->trst == 1) || ( cmd->cmd.reset->srst && (jtag_reset_config & RESET_SRST_PULLS_TRST) ) )
+ {
+ tap_set_state(TAP_RESET);
+ }
+ layout->reset(cmd->cmd.reset->trst, cmd->cmd.reset->srst);
+ require_send = 1;
#ifdef _DEBUG_JTAG_IO_
- LOG_DEBUG("trst: %i, srst: %i", cmd->cmd.reset->trst, cmd->cmd.reset->srst);
+ LOG_DEBUG("trst: %i, srst: %i", cmd->cmd.reset->trst, cmd->cmd.reset->srst);
#endif
- break;
+ break;
- case JTAG_RUNTEST:
- /* only send the maximum buffer size that FT2232C can handle */
- predicted_size = 0;
- if (cur_state != TAP_IDLE)
- predicted_size += 3;
- predicted_size += 3 * CEIL(cmd->cmd.runtest->num_cycles, 7);
- if ((cmd->cmd.runtest->end_state != -1) && (cmd->cmd.runtest->end_state != TAP_IDLE))
- predicted_size += 3;
- if ((cmd->cmd.runtest->end_state == -1) && (end_state != TAP_IDLE))
- predicted_size += 3;
- if (ft2232_buffer_size + predicted_size + 1 > FT2232_BUFFER_SIZE)
- {
- if (ft2232_send_and_recv(first_unsent, cmd) != ERROR_OK)
- retval = ERROR_JTAG_QUEUE_FAILED;
- require_send = 0;
- first_unsent = cmd;
- }
- if (cur_state != TAP_IDLE)
- {
- /* command "Clock Data to TMS/CS Pin (no Read)" */
- BUFFER_ADD = 0x4b;
- /* scan 7 bit */
- BUFFER_ADD = 0x6;
- /* TMS data bits */
- BUFFER_ADD = TAP_MOVE(cur_state, TAP_IDLE);
- cur_state = TAP_IDLE;
- require_send = 1;
- }
- i = cmd->cmd.runtest->num_cycles;
- while (i > 0)
- {
- /* command "Clock Data to TMS/CS Pin (no Read)" */
- BUFFER_ADD = 0x4b;
- /* scan 7 bit */
- BUFFER_ADD = (i > 7) ? 6 : (i - 1);
- /* TMS data bits */
- BUFFER_ADD = 0x0;
- cur_state = TAP_IDLE;
- i -= (i > 7) ? 7 : i;
- /* LOG_DEBUG("added TMS scan (no read)"); */
- }
- if (cmd->cmd.runtest->end_state != -1)
- ft2232_end_state(cmd->cmd.runtest->end_state);
- if (cur_state != end_state)
- {
- /* command "Clock Data to TMS/CS Pin (no Read)" */
- BUFFER_ADD = 0x4b;
- /* scan 7 bit */
- BUFFER_ADD = 0x6;
- /* TMS data bits */
- BUFFER_ADD = TAP_MOVE(cur_state, end_state);
- cur_state = end_state;
- /* LOG_DEBUG("added TMS scan (no read)"); */
- }
+ case JTAG_RUNTEST:
+ /* only send the maximum buffer size that FT2232C can handle */
+ predicted_size = 0;
+ if (tap_get_state() != TAP_IDLE)
+ predicted_size += 3;
+ predicted_size += 3 * CEIL(cmd->cmd.runtest->num_cycles, 7);
+ if ( (cmd->cmd.runtest->end_state != -1) && (cmd->cmd.runtest->end_state != TAP_IDLE) )
+ predicted_size += 3;
+ if ( (cmd->cmd.runtest->end_state == -1) && (tap_get_end_state() != TAP_IDLE) )
+ predicted_size += 3;
+ if (ft2232_buffer_size + predicted_size + 1 > FT2232_BUFFER_SIZE)
+ {
+ if (ft2232_send_and_recv(first_unsent, cmd) != ERROR_OK)
+ retval = ERROR_JTAG_QUEUE_FAILED;
+ require_send = 0;
+ first_unsent = cmd;
+ }
+ if (tap_get_state() != TAP_IDLE)
+ {
+ /* command "Clock Data to TMS/CS Pin (no Read)" */
+ BUFFER_ADD = 0x4b;
+ BUFFER_ADD = 0x6; /* scan 7 bits */
+
+ /* TMS data bits */
+ BUFFER_ADD = tap_get_tms_path(tap_get_state(), TAP_IDLE);
+ tap_set_state(TAP_IDLE);
require_send = 1;
-#ifdef _DEBUG_JTAG_IO_
- LOG_DEBUG("runtest: %i, end in %s", cmd->cmd.runtest->num_cycles, jtag_state_name(end_state));
-#endif
- break;
+ }
+ i = cmd->cmd.runtest->num_cycles;
+ while (i > 0)
+ {
+ /* command "Clock Data to TMS/CS Pin (no Read)" */
+ BUFFER_ADD = 0x4b;
- case JTAG_STATEMOVE:
- /* only send the maximum buffer size that FT2232C can handle */
- predicted_size = 3;
- if (ft2232_buffer_size + predicted_size + 1 > FT2232_BUFFER_SIZE)
- {
- if (ft2232_send_and_recv(first_unsent, cmd) != ERROR_OK)
- retval = ERROR_JTAG_QUEUE_FAILED;
- require_send = 0;
- first_unsent = cmd;
- }
- if (cmd->cmd.statemove->end_state != -1)
- ft2232_end_state(cmd->cmd.statemove->end_state);
+ /* scan 7 bits */
+ BUFFER_ADD = (i > 7) ? 6 : (i - 1);
+
+ /* TMS data bits */
+ BUFFER_ADD = 0x0;
+ tap_set_state(TAP_IDLE);
+ i -= (i > 7) ? 7 : i;
+ /* LOG_DEBUG("added TMS scan (no read)"); */
+ }
+
+ if (cmd->cmd.runtest->end_state != -1)
+ ft2232_end_state(cmd->cmd.runtest->end_state);
+
+ if ( tap_get_state() != tap_get_end_state() )
+ {
/* command "Clock Data to TMS/CS Pin (no Read)" */
BUFFER_ADD = 0x4b;
/* scan 7 bit */
BUFFER_ADD = 0x6;
/* TMS data bits */
- BUFFER_ADD = TAP_MOVE(cur_state, end_state);
+ BUFFER_ADD = tap_get_tms_path( tap_get_state(), tap_get_end_state() );
+ tap_set_state( tap_get_end_state() );
/* LOG_DEBUG("added TMS scan (no read)"); */
- cur_state = end_state;
- require_send = 1;
+ }
+ require_send = 1;
#ifdef _DEBUG_JTAG_IO_
- LOG_DEBUG("statemove: %s", jtag_state_name(end_state));
+ LOG_DEBUG( "runtest: %i, end in %s", cmd->cmd.runtest->num_cycles, tap_state_name( tap_get_end_state() ) );
#endif
- break;
+ break;
- case JTAG_PATHMOVE:
- /* only send the maximum buffer size that FT2232C can handle */
- predicted_size = 3 * CEIL(cmd->cmd.pathmove->num_states, 7);
- if (ft2232_buffer_size + predicted_size + 1 > FT2232_BUFFER_SIZE)
- {
- if (ft2232_send_and_recv(first_unsent, cmd) != ERROR_OK)
- retval = ERROR_JTAG_QUEUE_FAILED;
- require_send = 0;
- first_unsent = cmd;
- }
- ft2232_add_pathmove(cmd->cmd.pathmove);
- require_send = 1;
+ case JTAG_STATEMOVE:
+ /* only send the maximum buffer size that FT2232C can handle */
+ predicted_size = 3;
+ if (ft2232_buffer_size + predicted_size + 1 > FT2232_BUFFER_SIZE)
+ {
+ if (ft2232_send_and_recv(first_unsent, cmd) != ERROR_OK)
+ retval = ERROR_JTAG_QUEUE_FAILED;
+ require_send = 0;
+ first_unsent = cmd;
+ }
+ if (cmd->cmd.statemove->end_state != -1)
+ ft2232_end_state(cmd->cmd.statemove->end_state);
+
+ /* command "Clock Data to TMS/CS Pin (no Read)" */
+ BUFFER_ADD = 0x4b;
+
+ BUFFER_ADD = 0x6; /* scan 7 bits */
+
+ /* TMS data bits */
+ BUFFER_ADD = tap_get_tms_path( tap_get_state(), tap_get_end_state() );
+ /* LOG_DEBUG("added TMS scan (no read)"); */
+ tap_set_state( tap_get_end_state() );
+ require_send = 1;
#ifdef _DEBUG_JTAG_IO_
- LOG_DEBUG("pathmove: %i states, end in %s", cmd->cmd.pathmove->num_states,
- jtag_state_name(cmd->cmd.pathmove->path[cmd->cmd.pathmove->num_states - 1]));
+ LOG_DEBUG( "statemove: %s", tap_state_name( tap_get_end_state() ) );
#endif
- break;
+ break;
- case JTAG_SCAN:
- scan_size = jtag_build_buffer(cmd->cmd.scan, &buffer);
- type = jtag_scan_type(cmd->cmd.scan);
- predicted_size = ft2232_predict_scan_out(scan_size, type);
- if ((predicted_size + 1) > FT2232_BUFFER_SIZE)
- {
- LOG_DEBUG("oversized ft2232 scan (predicted_size > FT2232_BUFFER_SIZE)");
- /* unsent commands before this */
- if (first_unsent != cmd)
- if (ft2232_send_and_recv(first_unsent, cmd) != ERROR_OK)
- retval = ERROR_JTAG_QUEUE_FAILED;
-
- /* current command */
- if (cmd->cmd.scan->end_state != -1)
- ft2232_end_state(cmd->cmd.scan->end_state);
- ft2232_large_scan(cmd->cmd.scan, type, buffer, scan_size);
- require_send = 0;
- first_unsent = cmd->next;
- if (buffer)
- free(buffer);
- break;
- }
- else if (ft2232_buffer_size + predicted_size + 1 > FT2232_BUFFER_SIZE)
- {
- LOG_DEBUG("ft2232 buffer size reached, sending queued commands (first_unsent: %p, cmd: %p)", first_unsent, cmd);
+ case JTAG_PATHMOVE:
+ /* only send the maximum buffer size that FT2232C can handle */
+ predicted_size = 3 * CEIL(cmd->cmd.pathmove->num_states, 7);
+ if (ft2232_buffer_size + predicted_size + 1 > FT2232_BUFFER_SIZE)
+ {
+ if (ft2232_send_and_recv(first_unsent, cmd) != ERROR_OK)
+ retval = ERROR_JTAG_QUEUE_FAILED;
+ require_send = 0;
+ first_unsent = cmd;
+ }
+ ft2232_add_pathmove(cmd->cmd.pathmove);
+ require_send = 1;
+#ifdef _DEBUG_JTAG_IO_
+ LOG_DEBUG( "pathmove: %i states, end in %s", cmd->cmd.pathmove->num_states,
+ tap_state_name(cmd->cmd.pathmove->path[cmd->cmd.pathmove->num_states - 1]) );
+#endif
+ break;
+
+ case JTAG_SCAN:
+ scan_size = jtag_build_buffer(cmd->cmd.scan, &buffer);
+ type = jtag_scan_type(cmd->cmd.scan);
+ predicted_size = ft2232_predict_scan_out(scan_size, type);
+ if ( (predicted_size + 1) > FT2232_BUFFER_SIZE )
+ {
+ LOG_DEBUG("oversized ft2232 scan (predicted_size > FT2232_BUFFER_SIZE)");
+ /* unsent commands before this */
+ if (first_unsent != cmd)
if (ft2232_send_and_recv(first_unsent, cmd) != ERROR_OK)
retval = ERROR_JTAG_QUEUE_FAILED;
- require_send = 0;
- first_unsent = cmd;
- }
- ft2232_expect_read += ft2232_predict_scan_in(scan_size, type);
- /* LOG_DEBUG("new read size: %i", ft2232_expect_read); */
+
+ /* current command */
if (cmd->cmd.scan->end_state != -1)
ft2232_end_state(cmd->cmd.scan->end_state);
- ft2232_add_scan(cmd->cmd.scan->ir_scan, type, buffer, scan_size);
- require_send = 1;
+ ft2232_large_scan(cmd->cmd.scan, type, buffer, scan_size);
+ require_send = 0;
+ first_unsent = cmd->next;
if (buffer)
free(buffer);
-#ifdef _DEBUG_JTAG_IO_
- LOG_DEBUG("%s scan, %i bits, end in %s", (cmd->cmd.scan->ir_scan) ? "IR" : "DR", scan_size,
- jtag_state_name(end_state));
-#endif
break;
-
- case JTAG_SLEEP:
+ }
+ else if (ft2232_buffer_size + predicted_size + 1 > FT2232_BUFFER_SIZE)
+ {
+ LOG_DEBUG("ft2232 buffer size reached, sending queued commands (first_unsent: %p, cmd: %p)",
+ first_unsent,
+ cmd);
if (ft2232_send_and_recv(first_unsent, cmd) != ERROR_OK)
retval = ERROR_JTAG_QUEUE_FAILED;
- first_unsent = cmd->next;
- jtag_sleep(cmd->cmd.sleep->us);
+ require_send = 0;
+ first_unsent = cmd;
+ }
+ ft2232_expect_read += ft2232_predict_scan_in(scan_size, type);
+ /* LOG_DEBUG("new read size: %i", ft2232_expect_read); */
+ if (cmd->cmd.scan->end_state != -1)
+ ft2232_end_state(cmd->cmd.scan->end_state);
+ ft2232_add_scan(cmd->cmd.scan->ir_scan, type, buffer, scan_size);
+ require_send = 1;
+ if (buffer)
+ free(buffer);
#ifdef _DEBUG_JTAG_IO_
- LOG_DEBUG("sleep %i usec while in %s", cmd->cmd.sleep->us, jtag_state_name(cur_state));
+ LOG_DEBUG( "%s scan, %i bits, end in %s", (cmd->cmd.scan->ir_scan) ? "IR" : "DR", scan_size,
+ tap_state_name( tap_get_end_state() ) );
#endif
- break;
+ break;
- case JTAG_STABLECLOCKS:
- /* this is only allowed while in a stable state. A check for a stable
- * state was done in jtag_add_clocks()
- */
- if (ft2232_stableclocks(cmd->cmd.stableclocks->num_cycles, cmd) != ERROR_OK)
- retval = ERROR_JTAG_QUEUE_FAILED;
+ case JTAG_SLEEP:
+ if (ft2232_send_and_recv(first_unsent, cmd) != ERROR_OK)
+ retval = ERROR_JTAG_QUEUE_FAILED;
+ first_unsent = cmd->next;
+ jtag_sleep(cmd->cmd.sleep->us);
#ifdef _DEBUG_JTAG_IO_
- LOG_DEBUG("clocks %i while in %s", cmd->cmd.stableclocks->num_cycles, jtag_state_name(cur_state));
+ LOG_DEBUG( "sleep %i usec while in %s", cmd->cmd.sleep->us, tap_state_name( tap_get_state() ) );
#endif
- break;
+ break;
- default:
- LOG_ERROR("BUG: unknown JTAG command type encountered");
- exit(-1);
+ case JTAG_STABLECLOCKS:
+
+ /* this is only allowed while in a stable state. A check for a stable
+ * state was done in jtag_add_clocks()
+ */
+ if (ft2232_stableclocks(cmd->cmd.stableclocks->num_cycles, cmd) != ERROR_OK)
+ retval = ERROR_JTAG_QUEUE_FAILED;
+#ifdef _DEBUG_JTAG_IO_
+ LOG_DEBUG( "clocks %i while in %s", cmd->cmd.stableclocks->num_cycles, tap_state_name( tap_get_state() ) );
+#endif
+ break;
+
+ default:
+ LOG_ERROR("BUG: unknown JTAG command type encountered");
+ exit(-1);
}
+
cmd = cmd->next;
}
return retval;
}
+
#if BUILD_FT2232_FTD2XX == 1
-static int ft2232_init_ftd2xx(u16 vid, u16 pid, int more, int *try_more)
+static int ft2232_init_ftd2xx(u16 vid, u16 pid, int more, int* try_more)
{
FT_STATUS status;
- DWORD openex_flags = 0;
- char *openex_string = NULL;
- u8 latency_timer;
+ DWORD openex_flags = 0;
+ char* openex_string = NULL;
+ u8 latency_timer;
- LOG_DEBUG("'ft2232' interface using FTD2XX with '%s' layout (%4.4x:%4.4x)",ft2232_layout, vid, pid);
+ LOG_DEBUG("'ft2232' interface using FTD2XX with '%s' layout (%4.4x:%4.4x)", ft2232_layout, vid, pid);
#if IS_WIN32 == 0
/* Add non-standard Vid/Pid to the linux driver */
- if ((status = FT_SetVIDPID(vid, pid)) != FT_OK)
+ if ( ( status = FT_SetVIDPID(vid, pid) ) != FT_OK )
{
LOG_WARNING("couldn't add %4.4x:%4.4x", vid, pid);
}
if (ft2232_device_desc)
{
openex_string = ft2232_device_desc;
- openex_flags = FT_OPEN_BY_DESCRIPTION;
+ openex_flags = FT_OPEN_BY_DESCRIPTION;
}
else if (ft2232_serial)
{
openex_string = ft2232_serial;
- openex_flags = FT_OPEN_BY_SERIAL_NUMBER;
+ openex_flags = FT_OPEN_BY_SERIAL_NUMBER;
}
else
{
return ERROR_JTAG_INIT_FAILED;
}
- if ((status = FT_OpenEx(openex_string, openex_flags, &ftdih)) != FT_OK)
+ if ( ( status = FT_OpenEx(openex_string, openex_flags, &ftdih) ) != FT_OK )
{
DWORD num_devices;
- if (more) {
+ if (more)
+ {
LOG_WARNING("unable to open ftdi device (trying more): %lu", status);
*try_more = 1;
return ERROR_JTAG_INIT_FAILED;
status = FT_ListDevices(&num_devices, NULL, FT_LIST_NUMBER_ONLY);
if (status == FT_OK)
{
- char **desc_array = malloc(sizeof(char*) * (num_devices + 1));
- int i;
+ char** desc_array = malloc( sizeof(char*) * (num_devices + 1) );
+ int i;
for (i = 0; i < num_devices; i++)
desc_array[i] = malloc(64);
+
desc_array[num_devices] = NULL;
status = FT_ListDevices(desc_array, &num_devices, FT_LIST_ALL | openex_flags);
for (i = 0; i < num_devices; i++)
free(desc_array[i]);
+
free(desc_array);
}
else
return ERROR_JTAG_INIT_FAILED;
}
- if ((status = FT_SetLatencyTimer(ftdih, ft2232_latency)) != FT_OK)
+ if ( ( status = FT_SetLatencyTimer(ftdih, ft2232_latency) ) != FT_OK )
{
LOG_ERROR("unable to set latency timer: %lu", status);
return ERROR_JTAG_INIT_FAILED;
}
- if ((status = FT_GetLatencyTimer(ftdih, &latency_timer)) != FT_OK)
+ if ( ( status = FT_GetLatencyTimer(ftdih, &latency_timer) ) != FT_OK )
{
LOG_ERROR("unable to get latency timer: %lu", status);
return ERROR_JTAG_INIT_FAILED;
LOG_DEBUG("current latency timer: %i", latency_timer);
}
- if ((status = FT_SetTimeouts(ftdih, 5000, 5000)) != FT_OK)
+ if ( ( status = FT_SetTimeouts(ftdih, 5000, 5000) ) != FT_OK )
{
LOG_ERROR("unable to set timeouts: %lu", status);
return ERROR_JTAG_INIT_FAILED;
}
- if ((status = FT_SetBitMode(ftdih, 0x0b, 2)) != FT_OK)
+ if ( ( status = FT_SetBitMode(ftdih, 0x0b, 2) ) != FT_OK )
{
LOG_ERROR("unable to enable bit i/o mode: %lu", status);
return ERROR_JTAG_INIT_FAILED;
return ERROR_OK;
}
+
static int ft2232_purge_ftd2xx(void)
{
FT_STATUS status;
- if ((status = FT_Purge(ftdih, FT_PURGE_RX | FT_PURGE_TX)) != FT_OK)
+ if ( ( status = FT_Purge(ftdih, FT_PURGE_RX | FT_PURGE_TX) ) != FT_OK )
{
LOG_ERROR("error purging ftd2xx device: %lu", status);
return ERROR_JTAG_INIT_FAILED;
return ERROR_OK;
}
+
+
#endif /* BUILD_FT2232_FTD2XX == 1 */
#if BUILD_FT2232_LIBFTDI == 1
-static int ft2232_init_libftdi(u16 vid, u16 pid, int more, int *try_more)
+static int ft2232_init_libftdi(u16 vid, u16 pid, int more, int* try_more)
{
u8 latency_timer;
LOG_DEBUG("'ft2232' interface using libftdi with '%s' layout (%4.4x:%4.4x)",
- ft2232_layout, vid, pid);
+ ft2232_layout, vid, pid);
if (ftdi_init(&ftdic) < 0)
return ERROR_JTAG_INIT_FAILED;
/* context, vendor id, product id */
if (ftdi_usb_open_desc(&ftdic, vid, pid, ft2232_device_desc,
- ft2232_serial) < 0) {
+ ft2232_serial) < 0)
+ {
if (more)
LOG_WARNING("unable to open ftdi device (trying more): %s",
- ftdic.error_str);
+ ftdic.error_str);
else
LOG_ERROR("unable to open ftdi device: %s", ftdic.error_str);
*try_more = 1;
return ERROR_OK;
}
+
static int ft2232_purge_libftdi(void)
{
if (ftdi_usb_purge_buffers(&ftdic) < 0)
return ERROR_OK;
}
+
+
#endif /* BUILD_FT2232_LIBFTDI == 1 */
int ft2232_init(void)
{
- u8 buf[1];
+ u8 buf[1];
int retval;
u32 bytes_written;
- ft2232_layout_t *cur_layout = ft2232_layouts;
+ ft2232_layout_t* cur_layout = ft2232_layouts;
int i;
- if ((ft2232_layout == NULL) || (ft2232_layout[0] == 0))
+ if ( (ft2232_layout == NULL) || (ft2232_layout[0] == 0) )
{
ft2232_layout = "usbjtag";
LOG_WARNING("No ft2232 layout specified, using default 'usbjtag'");
return ERROR_JTAG_INIT_FAILED;
}
- for (i = 0; 1; i++) {
+ for (i = 0; 1; i++)
+ {
/*
* "more indicates that there are more IDs to try, so we should
* not print an error for an ID mismatch (but for anything
* ID mismatch (and nothing else) and that we should proceeed
* with the next ID pair.
*/
- int more = ft2232_vid[i+1] || ft2232_pid[i+1];
+ int more = ft2232_vid[i + 1] || ft2232_pid[i + 1];
int try_more = 0;
#if BUILD_FT2232_FTD2XX == 1
retval = ft2232_init_ftd2xx(ft2232_vid[i], ft2232_pid[i],
- more, &try_more);
+ more, &try_more);
#elif BUILD_FT2232_LIBFTDI == 1
retval = ft2232_init_libftdi(ft2232_vid[i], ft2232_pid[i],
- more, &try_more);
+ more, &try_more);
#endif
if (retval >= 0)
break;
ft2232_speed(jtag_speed);
buf[0] = 0x85; /* Disconnect TDI/DO to TDO/DI for Loopback */
- if (((retval = ft2232_write(buf, 1, &bytes_written)) != ERROR_OK) || (bytes_written != 1))
+ if ( ( ( retval = ft2232_write(buf, 1, &bytes_written) ) != ERROR_OK ) || (bytes_written != 1) )
{
LOG_ERROR("couldn't write to FT2232 to disable loopback");
return ERROR_JTAG_INIT_FAILED;
return ERROR_OK;
}
+
int usbjtag_init(void)
{
- u8 buf[3];
+ u8 buf[3];
u32 bytes_written;
- low_output = 0x08;
+ low_output = 0x08;
low_direction = 0x0b;
if (strcmp(ft2232_layout, "usbjtag") == 0)
{
- nTRST = 0x10;
+ nTRST = 0x10;
nTRSTnOE = 0x10;
- nSRST = 0x40;
+ nSRST = 0x40;
nSRSTnOE = 0x40;
}
else if (strcmp(ft2232_layout, "signalyzer") == 0)
{
- nTRST = 0x10;
+ nTRST = 0x10;
nTRSTnOE = 0x10;
- nSRST = 0x20;
+ nSRST = 0x20;
nSRSTnOE = 0x20;
}
else if (strcmp(ft2232_layout, "evb_lm3s811") == 0)
nTRSTnOE = 0x00;
nSRST = 0x20;
nSRSTnOE = 0x20;
- low_output = 0x88;
+ low_output = 0x88;
low_direction = 0x8b;
}
else
if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)
{
low_direction &= ~nTRSTnOE; /* nTRST input */
- low_output &= ~nTRST; /* nTRST = 0 */
+ low_output &= ~nTRST; /* nTRST = 0 */
}
else
{
- low_direction |= nTRSTnOE; /* nTRST output */
- low_output |= nTRST; /* nTRST = 1 */
+ low_direction |= nTRSTnOE; /* nTRST output */
+ low_output |= nTRST; /* nTRST = 1 */
}
if (jtag_reset_config & RESET_SRST_PUSH_PULL)
{
- low_direction |= nSRSTnOE; /* nSRST output */
- low_output |= nSRST; /* nSRST = 1 */
+ low_direction |= nSRSTnOE; /* nSRST output */
+ low_output |= nSRST; /* nSRST = 1 */
}
else
{
low_direction &= ~nSRSTnOE; /* nSRST input */
- low_output &= ~nSRST; /* nSRST = 0 */
+ low_output &= ~nSRST; /* nSRST = 0 */
}
/* initialize low byte for jtag */
- buf[0] = 0x80; /* command "set data bits low byte" */
- buf[1] = low_output; /* value (TMS=1,TCK=0, TDI=0, xRST high) */
+ buf[0] = 0x80; /* command "set data bits low byte" */
+ buf[1] = low_output; /* value (TMS=1,TCK=0, TDI=0, xRST high) */
buf[2] = low_direction; /* dir (output=1), TCK/TDI/TMS=out, TDO=in */
LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);
- if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))
+ if ( ( ( ft2232_write(buf, 3, &bytes_written) ) != ERROR_OK ) || (bytes_written != 3) )
{
LOG_ERROR("couldn't initialize FT2232 with 'USBJTAG' layout");
return ERROR_JTAG_INIT_FAILED;
return ERROR_OK;
}
+
int axm0432_jtag_init(void)
{
- u8 buf[3];
+ u8 buf[3];
u32 bytes_written;
- low_output = 0x08;
+ low_output = 0x08;
low_direction = 0x2b;
/* initialize low byte for jtag */
- buf[0] = 0x80; /* command "set data bits low byte" */
- buf[1] = low_output; /* value (TMS=1,TCK=0, TDI=0, nOE=0) */
+ buf[0] = 0x80; /* command "set data bits low byte" */
+ buf[1] = low_output; /* value (TMS=1,TCK=0, TDI=0, nOE=0) */
buf[2] = low_direction; /* dir (output=1), TCK/TDI/TMS=out, TDO=in, nOE=out */
LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);
- if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))
+ if ( ( ( ft2232_write(buf, 3, &bytes_written) ) != ERROR_OK ) || (bytes_written != 3) )
{
LOG_ERROR("couldn't initialize FT2232 with 'JTAGkey' layout");
return ERROR_JTAG_INIT_FAILED;
if (strcmp(layout->name, "axm0432_jtag") == 0)
{
- nTRST = 0x08;
- nTRSTnOE = 0x0; /* No output enable for TRST*/
- nSRST = 0x04;
- nSRSTnOE = 0x0; /* No output enable for SRST*/
+ nTRST = 0x08;
+ nTRSTnOE = 0x0; /* No output enable for TRST*/
+ nSRST = 0x04;
+ nSRSTnOE = 0x0; /* No output enable for SRST*/
}
else
{
exit(-1);
}
- high_output = 0x0;
+ high_output = 0x0;
high_direction = 0x0c;
if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)
}
/* initialize high port */
- buf[0] = 0x82; /* command "set data bits high byte" */
- buf[1] = high_output; /* value */
- buf[2] = high_direction; /* all outputs (xRST and xRSTnOE) */
+ buf[0] = 0x82; /* command "set data bits high byte" */
+ buf[1] = high_output; /* value */
+ buf[2] = high_direction; /* all outputs (xRST and xRSTnOE) */
LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);
- if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))
+ if ( ( ( ft2232_write(buf, 3, &bytes_written) ) != ERROR_OK ) || (bytes_written != 3) )
{
LOG_ERROR("couldn't initialize FT2232 with 'Dicarlo' layout");
return ERROR_JTAG_INIT_FAILED;
return ERROR_OK;
}
+
int jtagkey_init(void)
{
- u8 buf[3];
+ u8 buf[3];
u32 bytes_written;
- low_output = 0x08;
+ low_output = 0x08;
low_direction = 0x1b;
/* initialize low byte for jtag */
- buf[0] = 0x80; /* command "set data bits low byte" */
- buf[1] = low_output; /* value (TMS=1,TCK=0, TDI=0, nOE=0) */
+ buf[0] = 0x80; /* command "set data bits low byte" */
+ buf[1] = low_output; /* value (TMS=1,TCK=0, TDI=0, nOE=0) */
buf[2] = low_direction; /* dir (output=1), TCK/TDI/TMS=out, TDO=in, nOE=out */
LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);
- if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))
+ if ( ( ( ft2232_write(buf, 3, &bytes_written) ) != ERROR_OK ) || (bytes_written != 3) )
{
LOG_ERROR("couldn't initialize FT2232 with 'JTAGkey' layout");
return ERROR_JTAG_INIT_FAILED;
if (strcmp(layout->name, "jtagkey") == 0)
{
- nTRST = 0x01;
+ nTRST = 0x01;
nTRSTnOE = 0x4;
- nSRST = 0x02;
+ nSRST = 0x02;
nSRSTnOE = 0x08;
}
- else if ((strcmp(layout->name, "jtagkey_prototype_v1") == 0) ||
- (strcmp(layout->name, "oocdlink") == 0))
+ else if ( (strcmp(layout->name, "jtagkey_prototype_v1") == 0)
+ || (strcmp(layout->name, "oocdlink") == 0) )
{
- nTRST = 0x02;
+ nTRST = 0x02;
nTRSTnOE = 0x1;
- nSRST = 0x08;
+ nSRST = 0x08;
nSRSTnOE = 0x04;
}
else
exit(-1);
}
- high_output = 0x0;
+ high_output = 0x0;
high_direction = 0x0f;
if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)
}
/* initialize high port */
- buf[0] = 0x82; /* command "set data bits high byte" */
- buf[1] = high_output; /* value */
- buf[2] = high_direction; /* all outputs (xRST and xRSTnOE) */
+ buf[0] = 0x82; /* command "set data bits high byte" */
+ buf[1] = high_output; /* value */
+ buf[2] = high_direction; /* all outputs (xRST and xRSTnOE) */
LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);
- if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))
+ if ( ( ( ft2232_write(buf, 3, &bytes_written) ) != ERROR_OK ) || (bytes_written != 3) )
{
LOG_ERROR("couldn't initialize FT2232 with 'JTAGkey' layout");
return ERROR_JTAG_INIT_FAILED;
return ERROR_OK;
}
+
int olimex_jtag_init(void)
{
- u8 buf[3];
+ u8 buf[3];
u32 bytes_written;
- low_output = 0x08;
+ low_output = 0x08;
low_direction = 0x1b;
/* initialize low byte for jtag */
- buf[0] = 0x80; /* command "set data bits low byte" */
- buf[1] = low_output; /* value (TMS=1,TCK=0, TDI=0, nOE=0) */
+ buf[0] = 0x80; /* command "set data bits low byte" */
+ buf[1] = low_output; /* value (TMS=1,TCK=0, TDI=0, nOE=0) */
buf[2] = low_direction; /* dir (output=1), TCK/TDI/TMS=out, TDO=in, nOE=out */
LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);
- if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))
+ if ( ( ( ft2232_write(buf, 3, &bytes_written) ) != ERROR_OK ) || (bytes_written != 3) )
{
LOG_ERROR("couldn't initialize FT2232 with 'JTAGkey' layout");
return ERROR_JTAG_INIT_FAILED;
}
- nTRST = 0x01;
+ nTRST = 0x01;
nTRSTnOE = 0x4;
- nSRST = 0x02;
+ nSRST = 0x02;
nSRSTnOE = 0x00; /* no output enable for nSRST */
- high_output = 0x0;
+ high_output = 0x0;
high_direction = 0x0f;
if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)
high_output |= 0x08;
/* initialize high port */
- buf[0] = 0x82; /* command "set data bits high byte" */
- buf[1] = high_output; /* value */
- buf[2] = high_direction; /* all outputs (xRST and xRSTnOE) */
+ buf[0] = 0x82; /* command "set data bits high byte" */
+ buf[1] = high_output; /* value */
+ buf[2] = high_direction; /* all outputs (xRST and xRSTnOE) */
LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);
- if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))
+ if ( ( ( ft2232_write(buf, 3, &bytes_written) ) != ERROR_OK ) || (bytes_written != 3) )
{
LOG_ERROR("couldn't initialize FT2232 with 'JTAGkey' layout");
return ERROR_JTAG_INIT_FAILED;
return ERROR_OK;
}
+
int flyswatter_init(void)
{
- u8 buf[3];
+ u8 buf[3];
u32 bytes_written;
- low_output = 0x18;
+ low_output = 0x18;
low_direction = 0xfb;
/* initialize low byte for jtag */
- buf[0] = 0x80; /* command "set data bits low byte" */
- buf[1] = low_output; /* value (TMS=1,TCK=0, TDI=0, nOE=0) */
+ buf[0] = 0x80; /* command "set data bits low byte" */
+ buf[1] = low_output; /* value (TMS=1,TCK=0, TDI=0, nOE=0) */
buf[2] = low_direction; /* dir (output=1), TCK/TDI/TMS=out, TDO=in, nOE[12]=out, n[ST]srst=out */
LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);
- if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))
+ if ( ( ( ft2232_write(buf, 3, &bytes_written) ) != ERROR_OK ) || (bytes_written != 3) )
{
LOG_ERROR("couldn't initialize FT2232 with 'flyswatter' layout");
return ERROR_JTAG_INIT_FAILED;
}
- nTRST = 0x10;
- nTRSTnOE = 0x0; /* not output enable for nTRST */
- nSRST = 0x20;
- nSRSTnOE = 0x00; /* no output enable for nSRST */
+ nTRST = 0x10;
+ nTRSTnOE = 0x0; /* not output enable for nTRST */
+ nSRST = 0x20;
+ nSRSTnOE = 0x00; /* no output enable for nSRST */
- high_output = 0x00;
+ high_output = 0x00;
high_direction = 0x0c;
/* turn red LED1 on, LED2 off */
high_output |= 0x08;
/* initialize high port */
- buf[0] = 0x82; /* command "set data bits high byte" */
- buf[1] = high_output; /* value */
- buf[2] = high_direction; /* all outputs (xRST and xRSTnOE) */
+ buf[0] = 0x82; /* command "set data bits high byte" */
+ buf[1] = high_output; /* value */
+ buf[2] = high_direction; /* all outputs (xRST and xRSTnOE) */
LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);
- if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))
+ if ( ( ( ft2232_write(buf, 3, &bytes_written) ) != ERROR_OK ) || (bytes_written != 3) )
{
LOG_ERROR("couldn't initialize FT2232 with 'flyswatter' layout");
return ERROR_JTAG_INIT_FAILED;
return ERROR_OK;
}
+
int turtle_init(void)
{
- u8 buf[3];
+ u8 buf[3];
u32 bytes_written;
- low_output = 0x08;
+ low_output = 0x08;
low_direction = 0x5b;
/* initialize low byte for jtag */
- buf[0] = 0x80; /* command "set data bits low byte" */
- buf[1] = low_output; /* value (TMS=1,TCK=0, TDI=0, nOE=0) */
+ buf[0] = 0x80; /* command "set data bits low byte" */
+ buf[1] = low_output; /* value (TMS=1,TCK=0, TDI=0, nOE=0) */
buf[2] = low_direction; /* dir (output=1), TCK/TDI/TMS=out, TDO=in, nOE=out */
LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);
- if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))
+ if ( ( ( ft2232_write(buf, 3, &bytes_written) ) != ERROR_OK ) || (bytes_written != 3) )
{
LOG_ERROR("couldn't initialize FT2232 with 'turtelizer2' layout");
return ERROR_JTAG_INIT_FAILED;
nSRST = 0x40;
- high_output = 0x00;
+ high_output = 0x00;
high_direction = 0x0C;
/* initialize high port */
buf[2] = high_direction;
LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);
- if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))
+ if ( ( ( ft2232_write(buf, 3, &bytes_written) ) != ERROR_OK ) || (bytes_written != 3) )
{
LOG_ERROR("couldn't initialize FT2232 with 'turtelizer2' layout");
return ERROR_JTAG_INIT_FAILED;
return ERROR_OK;
}
+
int comstick_init(void)
{
- u8 buf[3];
+ u8 buf[3];
u32 bytes_written;
- low_output = 0x08;
+ low_output = 0x08;
low_direction = 0x0b;
/* initialize low byte for jtag */
- buf[0] = 0x80; /* command "set data bits low byte" */
- buf[1] = low_output; /* value (TMS=1,TCK=0, TDI=0, nOE=0) */
+ buf[0] = 0x80; /* command "set data bits low byte" */
+ buf[1] = low_output; /* value (TMS=1,TCK=0, TDI=0, nOE=0) */
buf[2] = low_direction; /* dir (output=1), TCK/TDI/TMS=out, TDO=in, nOE=out */
LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);
- if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))
+ if ( ( ( ft2232_write(buf, 3, &bytes_written) ) != ERROR_OK ) || (bytes_written != 3) )
{
LOG_ERROR("couldn't initialize FT2232 with 'comstick' layout");
return ERROR_JTAG_INIT_FAILED;
}
- nTRST = 0x01;
- nTRSTnOE = 0x00; /* no output enable for nTRST */
- nSRST = 0x02;
- nSRSTnOE = 0x00; /* no output enable for nSRST */
+ nTRST = 0x01;
+ nTRSTnOE = 0x00; /* no output enable for nTRST */
+ nSRST = 0x02;
+ nSRSTnOE = 0x00; /* no output enable for nSRST */
- high_output = 0x03;
+ high_output = 0x03;
high_direction = 0x03;
/* initialize high port */
buf[2] = high_direction;
LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);
- if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))
+ if ( ( ( ft2232_write(buf, 3, &bytes_written) ) != ERROR_OK ) || (bytes_written != 3) )
{
LOG_ERROR("couldn't initialize FT2232 with 'comstick' layout");
return ERROR_JTAG_INIT_FAILED;
return ERROR_OK;
}
+
int stm32stick_init(void)
{
- u8 buf[3];
+ u8 buf[3];
u32 bytes_written;
- low_output = 0x88;
+ low_output = 0x88;
low_direction = 0x8b;
/* initialize low byte for jtag */
- buf[0] = 0x80; /* command "set data bits low byte" */
- buf[1] = low_output; /* value (TMS=1,TCK=0, TDI=0, nOE=0) */
+ buf[0] = 0x80; /* command "set data bits low byte" */
+ buf[1] = low_output; /* value (TMS=1,TCK=0, TDI=0, nOE=0) */
buf[2] = low_direction; /* dir (output=1), TCK/TDI/TMS=out, TDO=in, nOE=out */
LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);
- if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))
+ if ( ( ( ft2232_write(buf, 3, &bytes_written) ) != ERROR_OK ) || (bytes_written != 3) )
{
LOG_ERROR("couldn't initialize FT2232 with 'stm32stick' layout");
return ERROR_JTAG_INIT_FAILED;
}
- nTRST = 0x01;
- nTRSTnOE = 0x00; /* no output enable for nTRST */
- nSRST = 0x80;
- nSRSTnOE = 0x00; /* no output enable for nSRST */
+ nTRST = 0x01;
+ nTRSTnOE = 0x00; /* no output enable for nTRST */
+ nSRST = 0x80;
+ nSRSTnOE = 0x00; /* no output enable for nSRST */
- high_output = 0x01;
+ high_output = 0x01;
high_direction = 0x03;
/* initialize high port */
buf[2] = high_direction;
LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);
- if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))
+ if ( ( ( ft2232_write(buf, 3, &bytes_written) ) != ERROR_OK ) || (bytes_written != 3) )
{
LOG_ERROR("couldn't initialize FT2232 with 'stm32stick' layout");
return ERROR_JTAG_INIT_FAILED;
return ERROR_OK;
}
+
void olimex_jtag_blink(void)
{
/* Olimex ARM-USB-OCD has a LED connected to ACBUS3
BUFFER_ADD = high_direction;
}
+
void turtle_jtag_blink(void)
{
/*
- * Turtelizer2 has two LEDs connected to ACBUS2 and ACBUS3
+ * Turtelizer2 has two LEDs connected to ACBUS2 and ACBUS3
*/
if (high_output & 0x08)
{
BUFFER_ADD = high_direction;
}
+
int ft2232_quit(void)
{
#if BUILD_FT2232_FTD2XX == 1
return ERROR_OK;
}
-int ft2232_handle_device_desc_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+
+int ft2232_handle_device_desc_command(struct command_context_s* cmd_ctx, char* cmd, char** args, int argc)
{
if (argc == 1)
{
return ERROR_OK;
}
-int ft2232_handle_serial_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+
+int ft2232_handle_serial_command(struct command_context_s* cmd_ctx, char* cmd, char** args, int argc)
{
if (argc == 1)
{
return ERROR_OK;
}
-int ft2232_handle_layout_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+
+int ft2232_handle_layout_command(struct command_context_s* cmd_ctx, char* cmd, char** args, int argc)
{
if (argc == 0)
return ERROR_OK;
return ERROR_OK;
}
-int ft2232_handle_vid_pid_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+
+int ft2232_handle_vid_pid_command(struct command_context_s* cmd_ctx, char* cmd, char** args, int argc)
{
int i;
- if (argc > MAX_USB_IDS*2) {
+ if (argc > MAX_USB_IDS * 2)
+ {
LOG_WARNING("ignoring extra IDs in ft2232_vid_pid "
- "(maximum is %d pairs)", MAX_USB_IDS);
- argc = MAX_USB_IDS*2;
+ "(maximum is %d pairs)", MAX_USB_IDS);
+ argc = MAX_USB_IDS * 2;
}
- if (argc < 2 || (argc & 1))
+ if ( argc < 2 || (argc & 1) )
{
LOG_WARNING("incomplete ft2232_vid_pid configuration directive");
if (argc < 2)
return ERROR_OK;
}
- for (i = 0; i+1 < argc; i += 2) {
+ for (i = 0; i + 1 < argc; i += 2)
+ {
ft2232_vid[i >> 1] = strtol(args[i], NULL, 0);
- ft2232_pid[i >> 1] = strtol(args[i+1], NULL, 0);
+ ft2232_pid[i >> 1] = strtol(args[i + 1], NULL, 0);
}
+
/*
* Explicitly terminate, in case there are multiples instances of
* ft2232_vid_pid.
return ERROR_OK;
}
-int ft2232_handle_latency_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+
+int ft2232_handle_latency_command(struct command_context_s* cmd_ctx, char* cmd, char** args, int argc)
{
if (argc == 1)
{
}
-static int ft2232_stableclocks(int num_cycles, jtag_command_t *cmd)
+static int ft2232_stableclocks(int num_cycles, jtag_command_t* cmd)
{
int retval = 0;
/* 7 bits of either ones or zeros. */
- u8 tms = (cur_state == TAP_RESET ? 0x7F : 0x00);
+ u8 tms = (tap_get_state() == TAP_RESET ? 0x7F : 0x00);
while (num_cycles > 0)
{
/* the command 0x4b, "Clock Data to TMS/CS Pin (no Read)" handles
* at most 7 bits per invocation. Here we invoke it potentially
* several times.
- * see: http://www.ftdichip.com/Documents/AppNotes/AN2232C-01_MPSSE_Cmnd.pdf
*/
int bitcount_per_command = (num_cycles > 7) ? 7 : num_cycles;
return retval;
}
-
void gw16012_end_state(int state)
{
- if (tap_move_map[state] != -1)
- end_state = state;
+ if (tap_is_state_stable(state))
+ tap_set_end_state(state);
else
{
LOG_ERROR("BUG: %i is not a valid end state", state);
void gw16012_state_move(void)
{
int i=0, tms=0;
- u8 tms_scan = TAP_MOVE(cur_state, end_state);
+ u8 tms_scan = tap_get_tms_path(tap_get_state(), tap_get_end_state());
gw16012_control(0x0); /* single-bit mode */
gw16012_data(tms << 1); /* output next TMS bit */
}
- cur_state = end_state;
+ tap_set_state(tap_get_end_state());
}
void gw16012_path_move(pathmove_command_t *cmd)
while (num_states)
{
gw16012_control(0x0); /* single-bit mode */
- if (tap_transitions[cur_state].low == cmd->path[state_count])
+ if (tap_state_transition(tap_get_state(), FALSE) == cmd->path[state_count])
{
gw16012_data(0x0); /* TCK cycle with TMS low */
}
- else if (tap_transitions[cur_state].high == cmd->path[state_count])
+ else if (tap_state_transition(tap_get_state(), TRUE) == cmd->path[state_count])
{
gw16012_data(0x2); /* TCK cycle with TMS high */
}
else
{
- LOG_ERROR("BUG: %s -> %s isn't a valid TAP transition", jtag_state_name(cur_state), jtag_state_name(cmd->path[state_count]));
+ LOG_ERROR("BUG: %s -> %s isn't a valid TAP transition", tap_state_name(tap_get_state()), tap_state_name(cmd->path[state_count]));
exit(-1);
}
- cur_state = cmd->path[state_count];
+ tap_set_state(cmd->path[state_count]);
state_count++;
num_states--;
}
- end_state = cur_state;
+ tap_set_end_state(tap_get_state());
}
void gw16012_runtest(int num_cycles)
{
- enum tap_state saved_end_state = end_state;
+ tap_state_t saved_end_state = tap_get_end_state();
int i;
/* only do a state_move when we're not already in IDLE */
- if (cur_state != TAP_IDLE)
+ if (tap_get_state() != TAP_IDLE)
{
gw16012_end_state(TAP_IDLE);
gw16012_state_move();
}
gw16012_end_state(saved_end_state);
- if (cur_state != end_state)
+ if (tap_get_state() != tap_get_end_state())
gw16012_state_move();
}
{
int bits_left = scan_size;
int bit_count = 0;
- enum tap_state saved_end_state = end_state;
+ tap_state_t saved_end_state = tap_get_end_state();
u8 scan_out, scan_in;
/* only if we're not already in the correct Shift state */
- if (!((!ir_scan && (cur_state == TAP_DRSHIFT)) || (ir_scan && (cur_state == TAP_IRSHIFT))))
+ if (!((!ir_scan && (tap_get_state() == TAP_DRSHIFT)) || (ir_scan && (tap_get_state() == TAP_IRSHIFT))))
{
if (ir_scan)
gw16012_end_state(TAP_IRSHIFT);
if (bits_left == 0) /* last bit */
{
- if ((ir_scan && (end_state == TAP_IRSHIFT))
- || (!ir_scan && (end_state == TAP_DRSHIFT)))
+ if ((ir_scan && (tap_get_end_state() == TAP_IRSHIFT))
+ || (!ir_scan && (tap_get_end_state() == TAP_DRSHIFT)))
{
tms = 0;
}
bit_count++;
}
- if (!((ir_scan && (end_state == TAP_IRSHIFT)) ||
- (!ir_scan && (end_state == TAP_DRSHIFT))))
+ if (!((ir_scan && (tap_get_end_state() == TAP_IRSHIFT)) ||
+ (!ir_scan && (tap_get_end_state() == TAP_DRSHIFT))))
{
gw16012_data(0x0);
if (ir_scan)
- cur_state = TAP_IRPAUSE;
+ tap_set_state(TAP_IRPAUSE);
else
- cur_state = TAP_DRPAUSE;
+ tap_set_state(TAP_DRPAUSE);
- if (cur_state != end_state)
+ if (tap_get_state() != tap_get_end_state())
gw16012_state_move();
}
}
#endif
if (cmd->cmd.reset->trst == 1)
{
- cur_state = TAP_RESET;
+ tap_set_state(TAP_RESET);
}
gw16012_reset(cmd->cmd.reset->trst, cmd->cmd.reset->srst);
break;
int jlink_handle_jlink_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
/* Queue command functions */
-void jlink_end_state(enum tap_state state);
+void jlink_end_state(tap_state_t state);
void jlink_state_move(void);
-void jlink_path_move(int num_states, enum tap_state *path);
+void jlink_path_move(int num_states, tap_state_t *path);
void jlink_runtest(int num_cycles);
void jlink_scan(int ir_scan, enum scan_type type, u8 *buffer, int scan_size, scan_command_t *command);
void jlink_reset(int trst, int srst);
if (cmd->cmd.reset->trst == 1)
{
- cur_state = TAP_RESET;
+ tap_set_state(TAP_RESET);
}
jlink_reset(cmd->cmd.reset->trst, cmd->cmd.reset->srst);
break;
/***************************************************************************/
/* Queue command implementations */
-void jlink_end_state(enum tap_state state)
+void jlink_end_state(tap_state_t state)
{
- if (tap_move_map[state] != -1)
+ if (tap_is_state_stable(state))
{
- end_state = state;
+ tap_set_end_state(state);
}
else
{
{
int i;
int tms = 0;
- u8 tms_scan = TAP_MOVE(cur_state, end_state);
+ u8 tms_scan = tap_get_tms_path(tap_get_state(), tap_get_end_state());
for (i = 0; i < 7; i++)
{
jlink_tap_append_step(tms, 0);
}
- cur_state = end_state;
+ tap_set_state(tap_get_end_state());
}
-void jlink_path_move(int num_states, enum tap_state *path)
+void jlink_path_move(int num_states, tap_state_t *path)
{
int i;
for (i = 0; i < num_states; i++)
{
- if (path[i] == tap_transitions[cur_state].low)
+ if (path[i] == tap_state_transition(tap_get_state(), FALSE))
{
jlink_tap_append_step(0, 0);
}
- else if (path[i] == tap_transitions[cur_state].high)
+ else if (path[i] == tap_state_transition(tap_get_state(), TRUE))
{
jlink_tap_append_step(1, 0);
}
else
{
- LOG_ERROR("BUG: %s -> %s isn't a valid TAP transition", jtag_state_name(cur_state), jtag_state_name(path[i]));
+ LOG_ERROR("BUG: %s -> %s isn't a valid TAP transition", tap_state_name(tap_get_state()), tap_state_name(path[i]));
exit(-1);
}
- cur_state = path[i];
+ tap_set_state(path[i]);
}
- end_state = cur_state;
+ tap_set_end_state(tap_get_state());
}
void jlink_runtest(int num_cycles)
{
int i;
- enum tap_state saved_end_state = end_state;
+ tap_state_t saved_end_state = tap_get_end_state();
/* only do a state_move when we're not already in IDLE */
- if (cur_state != TAP_IDLE)
+ if (tap_get_state() != TAP_IDLE)
{
jlink_end_state(TAP_IDLE);
jlink_state_move();
/* finish in end_state */
jlink_end_state(saved_end_state);
- if (cur_state != end_state)
+ if (tap_get_state() != tap_get_end_state())
{
jlink_state_move();
}
void jlink_scan(int ir_scan, enum scan_type type, u8 *buffer, int scan_size, scan_command_t *command)
{
- enum tap_state saved_end_state;
+ tap_state_t saved_end_state;
jlink_tap_ensure_space(1, scan_size + 8);
- saved_end_state = end_state;
+ saved_end_state = tap_get_end_state();
/* Move to appropriate scan state */
jlink_end_state(ir_scan ? TAP_IRSHIFT : TAP_DRSHIFT);
/* We are in Exit1, go to Pause */
jlink_tap_append_step(0, 0);
- cur_state = ir_scan ? TAP_IRPAUSE : TAP_DRPAUSE;
+ tap_set_state(ir_scan ? TAP_IRPAUSE : TAP_DRPAUSE);
- if (cur_state != end_state)
+ if (tap_get_state() != tap_get_end_state())
{
jlink_state_move();
}
* *
* Copyright (C) 2007,2008 Øyvind Harboe *
* oyvind.harboe@zylin.com *
+ *
+ * Copyright (C) 2009 SoftPLC Corporation
+ * http://softplc.com
+ * dick@softplc.com
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
#define CMD_QUEUE_PAGE_SIZE (1024 * 1024)
static cmd_queue_page_t *cmd_queue_pages = NULL;
-/* tap_move[i][j]: tap movement command to go from state i to state j
- * 0: Test-Logic-Reset
- * 1: Run-Test/Idle
- * 2: Shift-DR
- * 3: Pause-DR
- * 4: Shift-IR
- * 5: Pause-IR
- *
- * DRSHIFT->DRSHIFT and IRSHIFT->IRSHIFT have to be caught in interface specific code
- */
-u8 tap_move[6][6] =
-{
-/* RESET IDLE DRSHIFT DRPAUSE IRSHIFT IRPAUSE */
- { 0x7f, 0x00, 0x17, 0x0a, 0x1b, 0x16}, /* RESET */
- { 0x7f, 0x00, 0x25, 0x05, 0x2b, 0x0b}, /* IDLE */
- { 0x7f, 0x31, 0x00, 0x01, 0x0f, 0x2f}, /* DRSHIFT */
- { 0x7f, 0x30, 0x20, 0x17, 0x1e, 0x2f}, /* DRPAUSE */
- { 0x7f, 0x31, 0x07, 0x17, 0x00, 0x01}, /* IRSHIFT */
- { 0x7f, 0x30, 0x1c, 0x17, 0x20, 0x2f} /* IRPAUSE */
-};
-
-int tap_move_map[16] = {
- 0, -1, -1, 2, -1, 3, -1, -1,
- 1, -1, -1, 4, -1, 5, -1, -1
-};
-
-tap_transition_t tap_transitions[16] =
-{
- {TAP_RESET, TAP_IDLE}, /* RESET */
- {TAP_IRSELECT, TAP_DRCAPTURE}, /* DRSELECT */
- {TAP_DREXIT1, TAP_DRSHIFT}, /* DRCAPTURE */
- {TAP_DREXIT1, TAP_DRSHIFT}, /* DRSHIFT */
- {TAP_DRUPDATE, TAP_DRPAUSE}, /* DREXIT1 */
- {TAP_DREXIT2, TAP_DRPAUSE}, /* DRPAUSE */
- {TAP_DRUPDATE, TAP_DRSHIFT}, /* DREXIT2 */
- {TAP_DRSELECT, TAP_IDLE}, /* DRUPDATE */
- {TAP_DRSELECT, TAP_IDLE}, /* IDLE */
- {TAP_RESET, TAP_IRCAPTURE}, /* IRSELECT */
- {TAP_IREXIT1, TAP_IRSHIFT}, /* IRCAPTURE */
- {TAP_IREXIT1, TAP_IRSHIFT}, /* IRSHIFT */
- {TAP_IRUPDATE, TAP_IRPAUSE}, /* IREXIT1 */
- {TAP_IREXIT2, TAP_IRPAUSE}, /* IRPAUSE */
- {TAP_IRUPDATE, TAP_IRSHIFT}, /* IREXIT2 */
- {TAP_DRSELECT, TAP_IDLE} /* IRUPDATE */
-};
-
char* jtag_event_strings[] =
{
"JTAG controller reset (RESET or TRST)"
{ .name = NULL, .value = -1 }
};
-/* kludge!!!! these are just global variables that the
- * interface use internally. They really belong
- * inside the drivers, but we don't want to break
- * linking the drivers!!!!
- */
-enum tap_state end_state = TAP_RESET;
-enum tap_state cur_state = TAP_RESET;
int jtag_trst = 0;
int jtag_srst = 0;
static jtag_tap_t *jtag_all_taps = NULL;
enum reset_types jtag_reset_config = RESET_NONE;
-enum tap_state cmd_queue_end_state = TAP_RESET;
-enum tap_state cmd_queue_cur_state = TAP_RESET;
+tap_state_t cmd_queue_end_state = TAP_RESET;
+tap_state_t cmd_queue_cur_state = TAP_RESET;
int jtag_verify_capture_ir = 1;
int jtag_speed = 0;
/* forward declarations */
-void jtag_add_pathmove(int num_states, enum tap_state *path);
-void jtag_add_runtest(int num_cycles, enum tap_state endstate);
-void jtag_add_end_state(enum tap_state endstate);
+void jtag_add_pathmove(int num_states, tap_state_t *path);
+void jtag_add_runtest(int num_cycles, tap_state_t endstate);
+void jtag_add_end_state(tap_state_t endstate);
void jtag_add_sleep(u32 us);
int jtag_execute_queue(void);
jtag_call_event_callbacks(JTAG_TRST_ASSERTED);
}
-static void jtag_prelude(enum tap_state state)
+static void jtag_prelude(tap_state_t state)
{
jtag_prelude1();
cmd_queue_cur_state = cmd_queue_end_state;
}
-void jtag_add_ir_scan(int num_fields, scan_field_t *fields, enum tap_state state)
+void jtag_add_ir_scan(int num_fields, scan_field_t *fields, tap_state_t state)
{
int retval;
jtag_error=retval;
}
-int MINIDRIVER(interface_jtag_add_ir_scan)(int num_fields, scan_field_t *fields, enum tap_state state)
+int MINIDRIVER(interface_jtag_add_ir_scan)(int num_fields, scan_field_t *fields, tap_state_t state)
{
jtag_command_t **last_cmd;
jtag_tap_t *tap;
return ERROR_OK;
}
-void jtag_add_plain_ir_scan(int num_fields, scan_field_t *fields, enum tap_state state)
+void jtag_add_plain_ir_scan(int num_fields, scan_field_t *fields, tap_state_t state)
{
int retval;
jtag_error=retval;
}
-int MINIDRIVER(interface_jtag_add_plain_ir_scan)(int num_fields, scan_field_t *fields, enum tap_state state)
+int MINIDRIVER(interface_jtag_add_plain_ir_scan)(int num_fields, scan_field_t *fields, tap_state_t state)
{
int i;
jtag_command_t **last_cmd;
return ERROR_OK;
}
-void jtag_add_dr_scan(int num_fields, scan_field_t *fields, enum tap_state state)
+void jtag_add_dr_scan(int num_fields, scan_field_t *fields, tap_state_t state)
{
int retval;
jtag_error=retval;
}
-int MINIDRIVER(interface_jtag_add_dr_scan)(int num_fields, scan_field_t *fields, enum tap_state state)
+int MINIDRIVER(interface_jtag_add_dr_scan)(int num_fields, scan_field_t *fields, tap_state_t state)
{
int j;
int nth_tap;
int num_fields,
const int *num_bits,
const u32 *value,
- enum tap_state end_state)
+ tap_state_t end_state)
{
int nth_tap;
int field_count = 0;
}
}
-void jtag_add_plain_dr_scan(int num_fields, scan_field_t *fields, enum tap_state state)
+void jtag_add_plain_dr_scan(int num_fields, scan_field_t *fields, tap_state_t state)
{
int retval;
jtag_error=retval;
}
-int MINIDRIVER(interface_jtag_add_plain_dr_scan)(int num_fields, scan_field_t *fields, enum tap_state state)
+int MINIDRIVER(interface_jtag_add_plain_dr_scan)(int num_fields, scan_field_t *fields, tap_state_t state)
{
int i;
jtag_command_t **last_cmd = jtag_get_last_command_p();
int MINIDRIVER(interface_jtag_add_tlr)(void)
{
- enum tap_state state = TAP_RESET;
+ tap_state_t state = TAP_RESET;
jtag_command_t **last_cmd = jtag_get_last_command_p();
/* allocate memory for a new list member */
return ERROR_OK;
}
-void jtag_add_pathmove(int num_states, enum tap_state *path)
+void jtag_add_pathmove(int num_states, tap_state_t *path)
{
- enum tap_state cur_state=cmd_queue_cur_state;
+ tap_state_t cur_state=cmd_queue_cur_state;
int i;
int retval;
/* the last state has to be a stable state */
- if (tap_move_map[path[num_states - 1]] == -1)
+ if (!tap_is_state_stable(path[num_states - 1]))
{
LOG_ERROR("BUG: TAP path doesn't finish in a stable state");
exit(-1);
LOG_ERROR("BUG: TAP_RESET is not a valid state for pathmove sequences");
exit(-1);
}
- if ((tap_transitions[cur_state].low != path[i])&&
- (tap_transitions[cur_state].high != path[i]))
+ if ( tap_state_transition(cur_state, TRUE) != path[i]
+ && tap_state_transition(cur_state, FALSE) != path[i])
{
- LOG_ERROR("BUG: %s -> %s isn't a valid TAP transition", jtag_state_name(cur_state), jtag_state_name(path[i]));
+ LOG_ERROR("BUG: %s -> %s isn't a valid TAP transition", tap_state_name(cur_state), tap_state_name(path[i]));
exit(-1);
}
cur_state = path[i];
jtag_error=retval;
}
-int MINIDRIVER(interface_jtag_add_pathmove)(int num_states, enum tap_state *path)
+int MINIDRIVER(interface_jtag_add_pathmove)(int num_states, tap_state_t *path)
{
jtag_command_t **last_cmd = jtag_get_last_command_p();
int i;
(*last_cmd)->cmd.pathmove = cmd_queue_alloc(sizeof(pathmove_command_t));
(*last_cmd)->cmd.pathmove->num_states = num_states;
- (*last_cmd)->cmd.pathmove->path = cmd_queue_alloc(sizeof(enum tap_state) * num_states);
+ (*last_cmd)->cmd.pathmove->path = cmd_queue_alloc(sizeof(tap_state_t) * num_states);
for (i = 0; i < num_states; i++)
(*last_cmd)->cmd.pathmove->path[i] = path[i];
return ERROR_OK;
}
-int MINIDRIVER(interface_jtag_add_runtest)(int num_cycles, enum tap_state state)
+int MINIDRIVER(interface_jtag_add_runtest)(int num_cycles, tap_state_t state)
{
jtag_command_t **last_cmd = jtag_get_last_command_p();
return ERROR_OK;
}
-void jtag_add_runtest(int num_cycles, enum tap_state state)
+void jtag_add_runtest(int num_cycles, tap_state_t state)
{
int retval;
{
int retval;
- /* "if (tap_move_map[cm_queue_cur_state] != -1)" is of no help when cur_state==TAP_IDLE */
- switch(cmd_queue_cur_state)
+ if( !tap_is_state_stable(cmd_queue_cur_state) )
{
- case TAP_DRSHIFT:
- case TAP_IDLE:
- case TAP_RESET:
- case TAP_DRPAUSE:
- case TAP_IRSHIFT:
- case TAP_IRPAUSE:
- break; /* above stable states are OK */
- default:
LOG_ERROR( "jtag_add_clocks() was called with TAP in non-stable state \"%s\"",
- jtag_state_name(cmd_queue_cur_state) );
+ tap_state_name(cmd_queue_cur_state) );
jtag_error = ERROR_JTAG_NOT_STABLE_STATE;
return;
}
{
jtag_prelude1();
- retval=interface_jtag_add_clocks(num_cycles);
- if (retval!=ERROR_OK)
+ retval = interface_jtag_add_clocks(num_cycles);
+ if (retval != ERROR_OK)
jtag_error=retval;
}
}
return ERROR_OK;
}
-void jtag_add_end_state(enum tap_state state)
+void jtag_add_end_state(tap_state_t state)
{
cmd_queue_end_state = state;
if ((cmd_queue_end_state == TAP_DRSHIFT)||(cmd_queue_end_state == TAP_IRSHIFT))
int handle_endstate_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
{
- enum tap_state state;
+ tap_state_t state;
if (argc < 1)
{
{
for (state = 0; state < 16; state++)
{
- if (strcmp(args[0], jtag_state_name(state)) == 0)
+ if (strcmp(args[0], tap_state_name(state)) == 0)
{
jtag_add_end_state(state);
jtag_execute_queue();
}
}
}
- command_print(cmd_ctx, "current endstate: %s", jtag_state_name(cmd_queue_end_state));
+ command_print(cmd_ctx, "current endstate: %s", tap_state_name(cmd_queue_end_state));
return ERROR_OK;
}
}
-/* map state number to SVF state string */
-const char* jtag_state_name(enum tap_state state)
+/*-----<Cable Helper API>---------------------------------------*/
+
+/* these Cable Helper API functions are all documented in the jtag.h header file,
+ using a Doxygen format. And since Doxygen's configuration file "Doxyfile",
+ is setup to prefer its docs in the header file, no documentation is here, for
+ if it were, it would have to be doubly maintained.
+*/
+
+/**
+ * @see tap_set_state() and tap_get_state() accessors.
+ * Actual name is not important since accessors hide it.
+ */
+static tap_state_t state_follower = TAP_RESET;
+
+void tap_set_state_impl( tap_state_t new_state )
+{
+ /* this is the state we think the TAPs are in now, was cur_state */
+ state_follower = new_state;
+}
+
+tap_state_t tap_get_state()
+{
+ return state_follower;
+}
+
+/**
+ * @see tap_set_end_state() and tap_get_end_state() accessors.
+ * Actual name is not important because accessors hide it.
+ */
+static tap_state_t end_state_follower = TAP_RESET;
+
+void tap_set_end_state( tap_state_t new_end_state )
+{
+ /* this is the state we think the TAPs will be in at completion of the
+ current TAP operation, was end_state
+ */
+ end_state_follower = new_end_state;
+}
+
+tap_state_t tap_get_end_state()
+{
+ return end_state_follower;
+}
+
+
+int tap_move_ndx( tap_state_t astate )
+{
+ /* given a stable state, return the index into the tms_seqs[] array within tap_get_tms_path() */
+
+ /* old version
+ const static int move_map[16] =
+ {
+ 0, -1, -1, 2, -1, 3, -1, -1,
+ 1, -1, -1, 4, -1, 5, -1, -1
+ };
+ */
+
+ int ndx;
+
+ switch( astate )
+ {
+ case TAP_RESET: ndx = 0; break;
+ case TAP_DRSHIFT: ndx = 2; break;
+ case TAP_DRPAUSE: ndx = 3; break;
+ case TAP_IDLE: ndx = 1; break;
+ case TAP_IRSHIFT: ndx = 4; break;
+ case TAP_IRPAUSE: ndx = 5; break;
+ default:
+ LOG_ERROR( "fatal: unstable state \"%s\" used in tap_move_ndx()", tap_state_name(astate) );
+ exit(1);
+ }
+
+ return ndx;
+}
+
+
+int tap_get_tms_path( tap_state_t from, tap_state_t to )
+{
+ /* tap_move[i][j]: tap movement command to go from state i to state j
+ * 0: Test-Logic-Reset
+ * 1: Run-Test/Idle
+ * 2: Shift-DR
+ * 3: Pause-DR
+ * 4: Shift-IR
+ * 5: Pause-IR
+ *
+ * DRSHIFT->DRSHIFT and IRSHIFT->IRSHIFT have to be caught in interface specific code
+ */
+ const static u8 tms_seqs[6][6] =
+ {
+ /* value clocked to TMS to move from one of six stable states to another */
+
+ /* RESET IDLE DRSHIFT DRPAUSE IRSHIFT IRPAUSE */
+ { 0x7f, 0x00, 0x17, 0x0a, 0x1b, 0x16 }, /* RESET */
+ { 0x7f, 0x00, 0x25, 0x05, 0x2b, 0x0b }, /* IDLE */
+ { 0x7f, 0x31, 0x00, 0x01, 0x0f, 0x2f }, /* DRSHIFT */
+ { 0x7f, 0x30, 0x20, 0x17, 0x1e, 0x2f }, /* DRPAUSE */
+ { 0x7f, 0x31, 0x07, 0x17, 0x00, 0x01 }, /* IRSHIFT */
+ { 0x7f, 0x30, 0x1c, 0x17, 0x20, 0x2f } /* IRPAUSE */
+ };
+
+ if( !tap_is_state_stable(from) )
+ {
+ LOG_ERROR( "fatal: tap_state \"from\" (=%s) is not stable", tap_state_name(from) );
+ exit(1);
+ }
+
+ if( !tap_is_state_stable(to) )
+ {
+ LOG_ERROR( "fatal: tap_state \"to\" (=%s) is not stable", tap_state_name(to) );
+ exit(1);
+ }
+
+ /* @todo: support other than 7 clocks ? */
+ return tms_seqs[tap_move_ndx(from)][tap_move_ndx(to)];
+}
+
+
+BOOL tap_is_state_stable(tap_state_t astate)
+{
+ BOOL is_stable;
+
+ /* A switch() is used because it is symbol dependent
+ (not value dependent like an array), and can also check bounds.
+ */
+ switch( astate )
+ {
+ case TAP_RESET:
+ case TAP_IDLE:
+ case TAP_DRSHIFT:
+ case TAP_DRPAUSE:
+ case TAP_IRSHIFT:
+ case TAP_IRPAUSE:
+ is_stable = TRUE;
+ break;
+ default:
+ is_stable = FALSE;
+ }
+
+ return is_stable;
+}
+
+tap_state_t tap_state_transition(tap_state_t cur_state, BOOL tms)
+{
+ tap_state_t new_state;
+
+ /* A switch is used because it is symbol dependent and not value dependent
+ like an array. Also it can check for out of range conditions.
+ */
+
+ if (tms)
+ {
+ switch (cur_state)
+ {
+ case TAP_RESET:
+ new_state = cur_state;
+ break;
+ case TAP_IDLE:
+ case TAP_DRUPDATE:
+ case TAP_IRUPDATE:
+ new_state = TAP_DRSELECT;
+ break;
+ case TAP_DRSELECT:
+ new_state = TAP_IRSELECT;
+ break;
+ case TAP_DRCAPTURE:
+ case TAP_DRSHIFT:
+ new_state = TAP_DREXIT1;
+ break;
+ case TAP_DREXIT1:
+ case TAP_DREXIT2:
+ new_state = TAP_DRUPDATE;
+ break;
+ case TAP_DRPAUSE:
+ new_state = TAP_DREXIT2;
+ break;
+ case TAP_IRSELECT:
+ new_state = TAP_RESET;
+ break;
+ case TAP_IRCAPTURE:
+ case TAP_IRSHIFT:
+ new_state = TAP_IREXIT1;
+ break;
+ case TAP_IREXIT1:
+ case TAP_IREXIT2:
+ new_state = TAP_IRUPDATE;
+ break;
+ case TAP_IRPAUSE:
+ new_state = TAP_IREXIT2;
+ break;
+ default:
+ LOG_ERROR( "fatal: invalid argument cur_state=%d", cur_state );
+ exit(1);
+ break;
+ }
+ }
+ else
+ {
+ switch (cur_state)
+ {
+ case TAP_RESET:
+ case TAP_IDLE:
+ case TAP_DRUPDATE:
+ case TAP_IRUPDATE:
+ new_state = TAP_IDLE;
+ break;
+ case TAP_DRSELECT:
+ new_state = TAP_DRCAPTURE;
+ break;
+ case TAP_DRCAPTURE:
+ case TAP_DRSHIFT:
+ case TAP_DREXIT2:
+ new_state = TAP_DRSHIFT;
+ break;
+ case TAP_DREXIT1:
+ case TAP_DRPAUSE:
+ new_state = TAP_DRPAUSE;
+ break;
+ case TAP_IRSELECT:
+ new_state = TAP_IRCAPTURE;
+ break;
+ case TAP_IRCAPTURE:
+ case TAP_IRSHIFT:
+ case TAP_IREXIT2:
+ new_state = TAP_IRSHIFT;
+ break;
+ case TAP_IREXIT1:
+ case TAP_IRPAUSE:
+ new_state = TAP_IRPAUSE;
+ break;
+ default:
+ LOG_ERROR( "fatal: invalid argument cur_state=%d", cur_state );
+ exit(1);
+ break;
+ }
+ }
+
+ return new_state;
+}
+
+const char* tap_state_name(tap_state_t state)
{
const char* ret;
return ret;
}
+/*-----</Cable Helper API>--------------------------------------*/
/***************************************************************************
- * Copyright (C) 2005 by Dominic Rath *
- * Dominic.Rath@gmx.de *
- * *
- * Copyright (C) 2007,2008 Øyvind Harboe *
- * oyvind.harboe@zylin.com *
- * *
- * This program is free software; you can redistribute it and/or modify *
- * it under the terms of the GNU General Public License as published by *
- * the Free Software Foundation; either version 2 of the License, or *
- * (at your option) any later version. *
- * *
- * This program is distributed in the hope that it will be useful, *
- * but WITHOUT ANY WARRANTY; without even the implied warranty of *
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
- * GNU General Public License for more details. *
- * *
- * You should have received a copy of the GNU General Public License *
- * along with this program; if not, write to the *
- * Free Software Foundation, Inc., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
- ***************************************************************************/
+* Copyright (C) 2005 by Dominic Rath *
+* Dominic.Rath@gmx.de *
+* *
+* Copyright (C) 2007,2008 Øyvind Harboe *
+* oyvind.harboe@zylin.com *
+* *
+* This program is free software; you can redistribute it and/or modify *
+* it under the terms of the GNU General Public License as published by *
+* the Free Software Foundation; either version 2 of the License, or *
+* (at your option) any later version. *
+* *
+* This program is distributed in the hope that it will be useful, *
+* but WITHOUT ANY WARRANTY; without even the implied warranty of *
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+* GNU General Public License for more details. *
+* *
+* You should have received a copy of the GNU General Public License *
+* along with this program; if not, write to the *
+* Free Software Foundation, Inc., *
+* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+***************************************************************************/
#ifndef JTAG_H
#define JTAG_H
#endif
#ifndef DEBUG_JTAG_IOZ
-#define DEBUG_JTAG_IOZ 64
+#define DEBUG_JTAG_IOZ 64
#endif
/* 16 Tap States, from page 21 of ASSET InterTech, Inc.'s svf.pdf
*/
-typedef enum tap_state
-{
- TAP_RESET = 0x0, TAP_IDLE = 0x8,
- TAP_DRSELECT = 0x1, TAP_DRCAPTURE = 0x2, TAP_DRSHIFT = 0x3, TAP_DREXIT1 = 0x4,
- TAP_DRPAUSE = 0x5, TAP_DREXIT2 = 0x6, TAP_DRUPDATE = 0x7,
- TAP_IRSELECT = 0x9, TAP_IRCAPTURE = 0xa, TAP_IRSHIFT = 0xb, TAP_IREXIT1 = 0xc,
- TAP_IRPAUSE = 0xd, TAP_IREXIT2 = 0xe, TAP_IRUPDATE = 0xf
-} tap_state_t;
+enum tap_state {
+ TAP_RESET = 0, TAP_IDLE = 8,
+ TAP_DRSELECT = 1, TAP_DRCAPTURE = 2, TAP_DRSHIFT = 3, TAP_DREXIT1 = 4,
+ TAP_DRPAUSE = 5, TAP_DREXIT2 = 6, TAP_DRUPDATE = 7,
+ TAP_IRSELECT = 9, TAP_IRCAPTURE = 10, TAP_IRSHIFT = 11, TAP_IREXIT1 = 12,
+ TAP_IRPAUSE = 13, TAP_IREXIT2 = 14, TAP_IRUPDATE = 15
+};
+
+typedef enum tap_state tap_state_t;
+
+typedef unsigned BOOL;
+#define TRUE 1
+#define FALSE 0
typedef struct tap_transition_s
{
- enum tap_state high;
- enum tap_state low;
+ tap_state_t high;
+ tap_state_t low;
} tap_transition_t;
-extern int tap_move_map[16]; /* map 16 TAP states to 6 stable states */
-extern u8 tap_move[6][6]; /* value scanned to TMS to move from one of six stable states to another */
-extern tap_transition_t tap_transitions[16]; /* describe the TAP state diagram */
+//extern tap_transition_t tap_transitions[16]; /* describe the TAP state diagram */
+
+
+/*-----<Cable Helper API>-------------------------------------------*/
+
+/* The "Cable Helper API" is what the cable drivers can use to help implement
+ * their "Cable API". So a Cable Helper API is a set of helper functions used by
+ * cable drivers, and this is different from a Cable API. A "Cable API" is what
+ * higher level code used to talk to a cable.
+ */
+
+
+/** implementation of wrapper function tap_set_state() */
+void tap_set_state_impl(tap_state_t new_state);
-extern enum tap_state end_state; /* finish DR scans in dr_end_state */
-extern enum tap_state cur_state; /* current TAP state */
+/**
+ * Function tap_set_state
+ * sets the state of a "state follower" which tracks the state of the TAPs connected to the
+ * cable. The state follower is hopefully always in the same state as the actual
+ * TAPs in the jtag chain, and will be so if there are no bugs in the tracking logic within that
+ * cable driver. All the cable drivers call this function to indicate the state they think
+ * the TAPs attached to their cables are in. Because this function can also log transitions,
+ * it will be helpful to call this function with every transition that the TAPs being manipulated
+ * are expected to traverse, not just end points of a multi-step state path.
+ * @param new_state is the state we think the TAPs are currently in or are about to enter.
+ */
+#if defined(_DEBUG_JTAG_IO_)
+#define tap_set_state(new_state) \
+ do { \
+ LOG_DEBUG( "tap_set_state(%s)", tap_state_name(new_state) ); \
+ tap_set_state_impl(new_state); \
+ } while (0)
+#else
+static inline void tap_set_state(tap_state_t new_state)
+{
+ tap_set_state_impl(new_state);
+}
-extern enum tap_state cmd_queue_end_state; /* finish DR scans in dr_end_state */
-extern enum tap_state cmd_queue_cur_state; /* current TAP state */
+#endif
-#define TAP_MOVE(from, to) tap_move[tap_move_map[from]][tap_move_map[to]]
+/**
+ * Function tap_get_state
+ * gets the state of the "state follower" which tracks the state of the TAPs connected to
+ * the cable.
+ * @see tap_set_state
+ * @return tap_state_t - The state the TAPs are in now.
+ */
+tap_state_t tap_get_state(void);
-typedef void * error_handler_t; /* Later on we can delete error_handler_t, but keep it for now to make patches more readable */
+/**
+ * Function tap_set_end_state
+ * sets the state of an "end state follower" which tracks the state that any cable driver
+ * thinks will be the end (resultant) state of the current TAP SIR or SDR operation. At completion
+ * of that TAP operation this value is copied into the state follower via tap_set_state().
+ * @param new_end_state is that state the TAPs should enter at completion of a pending TAP operation.
+ */
+void tap_set_end_state(tap_state_t new_end_state);
+
+/**
+ * Function tap_get_end_state
+ * @see tap_set_end_state
+ * @return tap_state_t - The state the TAPs should be in at completion of the current TAP operation.
+ */
+tap_state_t tap_get_end_state(void);
+
+/**
+ * Function tap_get_tms_path
+ * returns a 7 bit long "bit sequence" indicating what has to be done with TMS
+ * during a sequence of seven TAP clock cycles in order to get from
+ * state \a "from" to state \a "to".
+ * @param from is the starting state
+ * @param to is the resultant or final state
+ * @return int - a 7 bit sequence, with the first bit in the sequence at bit 0.
+ */
+int tap_get_tms_path(tap_state_t from, tap_state_t to);
+
+/**
+ * Function tap_move_ndx
+ * when given a stable state, returns an index from 0-5. The index corresponds to a
+ * sequence of stable states which are given in this order: <p>
+ * { TAP_RESET, TAP_IDLE, TAP_DRSHIFT, TAP_DRPAUSE, TAP_IRSHIFT, TAP_IRPAUSE }
+ * <p>
+ * This sequence corresponds to look up tables which are used in some of the
+ * cable drivers.
+ * @param astate is the stable state to find in the sequence. If a non stable
+ * state is passed, this may cause the program to output an error message
+ * and terminate.
+ * @return int - the array (or sequence) index as described above
+ */
+int tap_move_ndx(tap_state_t astate);
+
+/**
+ * Function tap_is_state_stable
+ * returns TRUE if the \a astate is stable.
+ */
+BOOL tap_is_state_stable(tap_state_t astate);
+
+/**
+ * Function tap_state_transition
+ * takes a current TAP state and returns the next state according to the tms value.
+ * @param current_state is the state of a TAP currently.
+ * @param tms is either zero or non-zero, just like a real TMS line in a jtag interface.
+ * @return tap_state_t - the next state a TAP would enter.
+ */
+tap_state_t tap_state_transition(tap_state_t current_state, BOOL tms);
+
+/**
+ * Function tap_state_name
+ * Returns a string suitable for display representing the JTAG tap_state
+ */
+const char* tap_state_name(tap_state_t state);
+
+/*-----</Cable Helper API>------------------------------------------*/
+
+
+extern tap_state_t cmd_queue_end_state; /* finish DR scans in dr_end_state */
+extern tap_state_t cmd_queue_cur_state; /* current TAP state */
+
+typedef void* error_handler_t; /* Later on we can delete error_handler_t, but keep it for now to make patches more readable */
struct scan_field_s;
-typedef int (*in_handler_t)(u8 *in_value, void *priv, struct scan_field_s *field);
+typedef int (*in_handler_t)(u8* in_value, void* priv, struct scan_field_s* field);
typedef struct scan_field_s
{
- jtag_tap_t *tap; /* tap pointer this instruction refers to */
- int num_bits; /* number of bits this field specifies (up to 32) */
- u8 *out_value; /* value to be scanned into the device */
- u8 *out_mask; /* only masked bits care */
- u8 *in_value; /* pointer to a 32-bit memory location to take data scanned out */
+ jtag_tap_t* tap; /* tap pointer this instruction refers to */
+ int num_bits; /* number of bits this field specifies (up to 32) */
+ u8* out_value; /* value to be scanned into the device */
+ u8* out_mask; /* only masked bits care */
+ u8* in_value; /* pointer to a 32-bit memory location to take data scanned out */
/* in_check_value/mask, in_handler_error_handler, in_handler_priv can be used by the in handler, otherwise they contain garbage */
- u8 *in_check_value; /* used to validate scan results */
- u8 *in_check_mask; /* check specified bits against check_value */
- in_handler_t in_handler;/* process received buffer using this handler */
- void *in_handler_priv; /* additional information for the in_handler */
+ u8* in_check_value; /* used to validate scan results */
+ u8* in_check_mask; /* check specified bits against check_value */
+ in_handler_t in_handler; /* process received buffer using this handler */
+ void* in_handler_priv; /* additional information for the in_handler */
} scan_field_t;
-enum scan_type
-{
+enum scan_type {
/* IN: from device to host, OUT: from host to device */
SCAN_IN = 1, SCAN_OUT = 2, SCAN_IO = 3
};
typedef struct scan_command_s
{
- int ir_scan; /* instruction/not data scan */
- int num_fields; /* number of fields in *fields array */
- scan_field_t *fields; /* pointer to an array of data scan fields */
- enum tap_state end_state; /* TAP state in which JTAG commands should finish */
+ int ir_scan; /* instruction/not data scan */
+ int num_fields; /* number of fields in *fields array */
+ scan_field_t* fields; /* pointer to an array of data scan fields */
+ tap_state_t end_state; /* TAP state in which JTAG commands should finish */
} scan_command_t;
typedef struct statemove_command_s
{
- enum tap_state end_state; /* TAP state in which JTAG commands should finish */
+ tap_state_t end_state; /* TAP state in which JTAG commands should finish */
} statemove_command_t;
typedef struct pathmove_command_s
{
- int num_states; /* number of states in *path */
- enum tap_state *path; /* states that have to be passed */
+ int num_states; /* number of states in *path */
+ tap_state_t* path; /* states that have to be passed */
} pathmove_command_t;
typedef struct runtest_command_s
{
- int num_cycles; /* number of cycles that should be spent in Run-Test/Idle */
- enum tap_state end_state; /* TAP state in which JTAG commands should finish */
+ int num_cycles; /* number of cycles that should be spent in Run-Test/Idle */
+ tap_state_t end_state; /* TAP state in which JTAG commands should finish */
} runtest_command_t;
typedef struct stableclocks_command_s
{
- int num_cycles; /* number of clock cycles that should be sent */
+ int num_cycles; /* number of clock cycles that should be sent */
} stableclocks_command_t;
typedef struct reset_command_s
{
- int trst; /* trst/srst 0: deassert, 1: assert, -1: don't change */
+ int trst; /* trst/srst 0: deassert, 1: assert, -1: don't change */
int srst;
} reset_command_t;
typedef struct end_state_command_s
{
- enum tap_state end_state; /* TAP state in which JTAG commands should finish */
+ tap_state_t end_state; /* TAP state in which JTAG commands should finish */
} end_state_command_t;
typedef struct sleep_command_s
{
- u32 us; /* number of microseconds to sleep */
+ u32 us; /* number of microseconds to sleep */
} sleep_command_t;
typedef union jtag_command_container_u
{
- scan_command_t *scan;
- statemove_command_t *statemove;
- pathmove_command_t *pathmove;
- runtest_command_t *runtest;
- stableclocks_command_t *stableclocks;
- reset_command_t *reset;
- end_state_command_t *end_state;
- sleep_command_t *sleep;
+ scan_command_t* scan;
+ statemove_command_t* statemove;
+ pathmove_command_t* pathmove;
+ runtest_command_t* runtest;
+ stableclocks_command_t* stableclocks;
+ reset_command_t* reset;
+ end_state_command_t* end_state;
+ sleep_command_t* sleep;
} jtag_command_container_t;
-enum jtag_command_type
-{
- JTAG_SCAN = 1,
- JTAG_STATEMOVE = 2, JTAG_RUNTEST = 3,
- JTAG_RESET = 4, JTAG_END_STATE = 5,
- JTAG_PATHMOVE = 6, JTAG_SLEEP = 7,
+enum jtag_command_type {
+ JTAG_SCAN = 1,
+ JTAG_STATEMOVE = 2,
+ JTAG_RUNTEST = 3,
+ JTAG_RESET = 4,
+ JTAG_END_STATE = 5,
+ JTAG_PATHMOVE = 6,
+ JTAG_SLEEP = 7,
JTAG_STABLECLOCKS = 8
};
typedef struct jtag_command_s
{
jtag_command_container_t cmd;
- enum jtag_command_type type;
- struct jtag_command_s *next;
+ enum jtag_command_type type;
+ struct jtag_command_s* next;
} jtag_command_t;
-extern jtag_command_t *jtag_command_queue;
+extern jtag_command_t* jtag_command_queue;
/* forward declaration */
typedef struct jtag_tap_event_action_s jtag_tap_event_action_t;
/* due to "forward decloration reasons" */
struct jtag_tap_s
{
- const char *chip;
- const char *tapname;
- const char *dotted_name;
+ const char* chip;
+ const char* tapname;
+ const char* dotted_name;
int abs_chain_position;
- int enabled;
- int ir_length; /* size of instruction register */
- u32 ir_capture_value;
- u8 *expected; /* Capture-IR expected value */
- u32 ir_capture_mask;
- u8 *expected_mask; /* Capture-IR expected mask */
- u32 idcode; /* device identification code */
- u32 *expected_ids; /* Array of expected identification codes */
- u8 expected_ids_cnt;/* Number of expected identification codes */
- u8 *cur_instr; /* current instruction */
- int bypass; /* bypass register selected */
-
- jtag_tap_event_action_t *event_action;
-
- jtag_tap_t *next_tap;
+ int enabled;
+ int ir_length; /* size of instruction register */
+ u32 ir_capture_value;
+ u8* expected; /* Capture-IR expected value */
+ u32 ir_capture_mask;
+ u8* expected_mask; /* Capture-IR expected mask */
+ u32 idcode; /* device identification code */
+ u32* expected_ids; /* Array of expected identification codes */
+ u8 expected_ids_cnt; /* Number of expected identification codes */
+ u8* cur_instr; /* current instruction */
+ int bypass; /* bypass register selected */
+
+ jtag_tap_event_action_t* event_action;
+
+ jtag_tap_t* next_tap;
};
-extern jtag_tap_t *jtag_AllTaps(void);
-extern jtag_tap_t *jtag_TapByPosition(int n);
-extern jtag_tap_t *jtag_TapByPosition(int n);
-extern jtag_tap_t *jtag_TapByString(const char *dotted_name);
-extern jtag_tap_t *jtag_TapByJimObj(Jim_Interp *interp, Jim_Obj *obj);
-extern jtag_tap_t *jtag_TapByAbsPosition(int abs_position);
-extern int jtag_NumEnabledTaps(void);
-extern int jtag_NumTotalTaps(void);
-
-static __inline__ jtag_tap_t *
-jtag_NextEnabledTap( jtag_tap_t *p )
+extern jtag_tap_t* jtag_AllTaps(void);
+extern jtag_tap_t* jtag_TapByPosition(int n);
+extern jtag_tap_t* jtag_TapByPosition(int n);
+extern jtag_tap_t* jtag_TapByString(const char* dotted_name);
+extern jtag_tap_t* jtag_TapByJimObj(Jim_Interp* interp, Jim_Obj* obj);
+extern jtag_tap_t* jtag_TapByAbsPosition(int abs_position);
+extern int jtag_NumEnabledTaps(void);
+extern int jtag_NumTotalTaps(void);
+
+static __inline__ jtag_tap_t* jtag_NextEnabledTap(jtag_tap_t* p)
{
- if( p == NULL ){
+ if (p == NULL)
+ {
/* start at the head of list */
p = jtag_AllTaps();
- } else {
+ }
+ else
+ {
/* start *after* this one */
p = p->next_tap;
}
- while( p ){
- if( p->enabled ){
+ while (p)
+ {
+ if (p->enabled)
+ {
break;
- } else {
+ }
+ else
+ {
p = p->next_tap;
}
}
+
return p;
}
-enum reset_line_mode
-{
+
+enum reset_line_mode {
LINE_OPEN_DRAIN = 0x0,
- LINE_PUSH_PULL = 0x1,
+ LINE_PUSH_PULL = 0x1,
};
typedef struct jtag_interface_s
/* interface initalization
*/
int (*speed)(int speed);
- int (*register_commands)(struct command_context_s *cmd_ctx);
+ int (*register_commands)(struct command_context_s* cmd_ctx);
int (*init)(void);
int (*quit)(void);
+
/* returns JTAG maxium speed for KHz. 0=RTCK. The function returns
- a failure if it can't support the KHz/RTCK.
-
- WARNING!!!! if RTCK is *slow* then think carefully about
- whether you actually want to support this in the driver.
- Many target scripts are written to handle the absence of RTCK
- and use a fallback kHz TCK.
- */
- int (*khz)(int khz, int *jtag_speed);
+ * a failure if it can't support the KHz/RTCK.
+ *
+ * WARNING!!!! if RTCK is *slow* then think carefully about
+ * whether you actually want to support this in the driver.
+ * Many target scripts are written to handle the absence of RTCK
+ * and use a fallback kHz TCK.
+ */
+ int (*khz)(int khz, int* jtag_speed);
+
/* returns the KHz for the provided JTAG speed. 0=RTCK. The function returns
- a failure if it can't support the KHz/RTCK. */
- int (*speed_div)(int speed, int *khz);
+ * a failure if it can't support the KHz/RTCK. */
+ int (*speed_div)(int speed, int* khz);
/* Read and clear the power dropout flag. Note that a power dropout
- can be transitionary, easily much less than a ms.
-
- So to find out if the power is *currently* on, you must invoke
- this method twice. Once to clear the power dropout flag and a
- second time to read the current state.
+ * can be transitionary, easily much less than a ms.
+ *
+ * So to find out if the power is *currently* on, you must invoke
+ * this method twice. Once to clear the power dropout flag and a
+ * second time to read the current state.
+ *
+ * Currently the default implementation is never to detect power dropout.
+ */
+ int (*power_dropout)(int* power_dropout);
- Currently the default implementation is never to detect power dropout.
- */
- int (*power_dropout)(int *power_dropout);
/* Read and clear the srst asserted detection flag.
*
* NB!!!! like power_dropout this does *not* read the current
* state. srst assertion is transitionary and *can* be much
* less than 1ms.
*/
- int (*srst_asserted)(int *srst_asserted);
-
+ int (*srst_asserted)(int* srst_asserted);
} jtag_interface_t;
-enum jtag_event
-{
+enum jtag_event {
JTAG_TRST_ASSERTED
};
-extern char * jtag_event_strings[];
+extern char* jtag_event_strings[];
-enum jtag_tap_event
-{
+enum jtag_tap_event {
JTAG_TAP_EVENT_ENABLE,
JTAG_TAP_EVENT_DISABLE
};
extern const Jim_Nvp nvp_jtag_tap_event[];
-struct jtag_tap_event_action_s {
- enum jtag_tap_event event;
- Jim_Obj *body;
- jtag_tap_event_action_t *next;
+struct jtag_tap_event_action_s
+{
+ enum jtag_tap_event event;
+ Jim_Obj* body;
+ jtag_tap_event_action_t* next;
};
extern int jtag_trst;
typedef struct jtag_event_callback_s
{
- int (*callback)(enum jtag_event event, void *priv);
- void *priv;
- struct jtag_event_callback_s *next;
+ int (*callback)(enum jtag_event event, void* priv);
+ void* priv;
+ struct jtag_event_callback_s* next;
} jtag_event_callback_t;
-extern jtag_event_callback_t *jtag_event_callbacks;
+extern jtag_event_callback_t* jtag_event_callbacks;
-extern jtag_interface_t *jtag; /* global pointer to configured JTAG interface */
-extern enum tap_state end_state;
-extern enum tap_state cur_state;
+extern jtag_interface_t* jtag; /* global pointer to configured JTAG interface */
extern int jtag_speed;
extern int jtag_speed_post_reset;
-enum reset_types
-{
- RESET_NONE = 0x0,
- RESET_HAS_TRST = 0x1,
- RESET_HAS_SRST = 0x2,
- RESET_TRST_AND_SRST = 0x3,
+enum reset_types {
+ RESET_NONE = 0x0,
+ RESET_HAS_TRST = 0x1,
+ RESET_HAS_SRST = 0x2,
+ RESET_TRST_AND_SRST = 0x3,
RESET_SRST_PULLS_TRST = 0x4,
RESET_TRST_PULLS_SRST = 0x8,
RESET_TRST_OPEN_DRAIN = 0x10,
- RESET_SRST_PUSH_PULL = 0x20,
+ RESET_SRST_PUSH_PULL = 0x20,
};
extern enum reset_types jtag_reset_config;
/* initialize interface upon startup. A successful no-op
* upon subsequent invocations
*/
-extern int jtag_interface_init(struct command_context_s *cmd_ctx);
+extern int jtag_interface_init(struct command_context_s* cmd_ctx);
+
/* initialize JTAG chain using only a RESET reset. If init fails,
* try reset + init.
*/
-extern int jtag_init(struct command_context_s *cmd_ctx);
+extern int jtag_init(struct command_context_s* cmd_ctx);
+
/* reset, then initialize JTAG chain */
-extern int jtag_init_reset(struct command_context_s *cmd_ctx);
-extern int jtag_register_commands(struct command_context_s *cmd_ctx);
+extern int jtag_init_reset(struct command_context_s* cmd_ctx);
+extern int jtag_register_commands(struct command_context_s* cmd_ctx);
/* JTAG interface, can be implemented with a software or hardware fifo
*
* be issued.
*
*/
-extern void jtag_add_ir_scan(int num_fields, scan_field_t *fields, enum tap_state endstate);
-extern int interface_jtag_add_ir_scan(int num_fields, scan_field_t *fields, enum tap_state endstate);
-extern void jtag_add_dr_scan(int num_fields, scan_field_t *fields, enum tap_state endstate);
-extern int interface_jtag_add_dr_scan(int num_fields, scan_field_t *fields, enum tap_state endstate);
-extern void jtag_add_plain_ir_scan(int num_fields, scan_field_t *fields, enum tap_state endstate);
-extern int interface_jtag_add_plain_ir_scan(int num_fields, scan_field_t *fields, enum tap_state endstate);
-extern void jtag_add_plain_dr_scan(int num_fields, scan_field_t *fields, enum tap_state endstate);
-extern int interface_jtag_add_plain_dr_scan(int num_fields, scan_field_t *fields, enum tap_state endstate);
+extern void jtag_add_ir_scan(int num_fields, scan_field_t* fields, tap_state_t endstate);
+extern int interface_jtag_add_ir_scan(int num_fields, scan_field_t* fields, tap_state_t endstate);
+extern void jtag_add_dr_scan(int num_fields, scan_field_t* fields, tap_state_t endstate);
+extern int interface_jtag_add_dr_scan(int num_fields, scan_field_t* fields, tap_state_t endstate);
+extern void jtag_add_plain_ir_scan(int num_fields, scan_field_t* fields, tap_state_t endstate);
+extern int interface_jtag_add_plain_ir_scan(int num_fields, scan_field_t* fields, tap_state_t endstate);
+extern void jtag_add_plain_dr_scan(int num_fields, scan_field_t* fields, tap_state_t endstate);
+extern int interface_jtag_add_plain_dr_scan(int num_fields, scan_field_t* fields, tap_state_t endstate);
+
/* run a TAP_RESET reset. End state is TAP_RESET, regardless
* of start state.
*/
extern void jtag_add_tlr(void);
-extern int interface_jtag_add_tlr(void);
+extern int interface_jtag_add_tlr(void);
+
/* Do not use jtag_add_pathmove() unless you need to, but do use it
* if you have to.
*
* a partial implementation of pathmove would have little practical
* application.
*/
-extern void jtag_add_pathmove(int num_states, enum tap_state *path);
-extern int interface_jtag_add_pathmove(int num_states, enum tap_state *path);
+extern void jtag_add_pathmove(int num_states, tap_state_t* path);
+extern int interface_jtag_add_pathmove(int num_states, tap_state_t* path);
+
/* go to TAP_IDLE, if we're not already there and cycle
* precisely num_cycles in the TAP_IDLE after which move
* to the end state, if it is != TAP_IDLE
* nb! num_cycles can be 0, in which case the fn will navigate
* to endstate via TAP_IDLE
*/
-extern void jtag_add_runtest(int num_cycles, enum tap_state endstate);
-extern int interface_jtag_add_runtest(int num_cycles, enum tap_state endstate);
+extern void jtag_add_runtest(int num_cycles, tap_state_t endstate);
+extern int interface_jtag_add_runtest(int num_cycles, tap_state_t endstate);
+
/* A reset of the TAP state machine can be requested.
*
* Whether tms or trst reset is used depends on the capabilities of
* then trst & srst *must* be asserted together.
*/
extern void jtag_add_reset(int req_tlr_or_trst, int srst);
+
/* this drives the actual srst and trst pins. srst will always be 0
* if jtag_reset_config & RESET_SRST_PULLS_TRST != 0 and ditto for
* trst.
* the higher level jtag_add_reset will invoke jtag_add_tlr() if
* approperiate
*/
-extern int interface_jtag_add_reset(int trst, int srst);
-extern void jtag_add_end_state(enum tap_state endstate);
-extern int interface_jtag_add_end_state(enum tap_state endstate);
+extern int interface_jtag_add_reset(int trst, int srst);
+extern void jtag_add_end_state(tap_state_t endstate);
+extern int interface_jtag_add_end_state(tap_state_t endstate);
extern void jtag_add_sleep(u32 us);
-extern int interface_jtag_add_sleep(u32 us);
+extern int interface_jtag_add_sleep(u32 us);
/**
* first checks that the state in which the clocks are to be issued is
* stable, then queues up clock_count clocks for transmission.
*/
-void jtag_add_clocks( int num_cycles );
-int interface_jtag_add_clocks( int num_cycles );
+void jtag_add_clocks(int num_cycles);
+int interface_jtag_add_clocks(int num_cycles);
/*
* jtag_add_xxx() commands can either be executed immediately or
* at some time between the jtag_add_xxx() fn call and jtag_execute_queue().
*/
-extern int jtag_execute_queue(void);
+extern int jtag_execute_queue(void);
+
/* can be implemented by hw+sw */
-extern int interface_jtag_execute_queue(void);
-extern int jtag_power_dropout(int *dropout);
-extern int jtag_srst_asserted(int *srst_asserted);
+extern int interface_jtag_execute_queue(void);
+extern int jtag_power_dropout(int* dropout);
+extern int jtag_srst_asserted(int* srst_asserted);
/* JTAG support functions */
-extern void jtag_set_check_value(scan_field_t *field, u8 *value, u8 *mask, error_handler_t *in_error_handler);
-extern enum scan_type jtag_scan_type(scan_command_t *cmd);
-extern int jtag_scan_size(scan_command_t *cmd);
-extern int jtag_read_buffer(u8 *buffer, scan_command_t *cmd);
-extern int jtag_build_buffer(scan_command_t *cmd, u8 **buffer);
+extern void jtag_set_check_value(scan_field_t* field, u8* value, u8* mask, error_handler_t* in_error_handler);
+extern enum scan_type jtag_scan_type(scan_command_t* cmd);
+extern int jtag_scan_size(scan_command_t* cmd);
+extern int jtag_read_buffer(u8* buffer, scan_command_t* cmd);
+extern int jtag_build_buffer(scan_command_t* cmd, u8** buffer);
-extern void jtag_sleep(u32 us);
-extern int jtag_call_event_callbacks(enum jtag_event event);
-extern int jtag_register_event_callback(int (*callback)(enum jtag_event event, void *priv), void *priv);
+extern void jtag_sleep(u32 us);
+extern int jtag_call_event_callbacks(enum jtag_event event);
+extern int jtag_register_event_callback(int (* callback)(enum jtag_event event, void* priv), void* priv);
extern int jtag_verify_capture_ir;
-void jtag_tap_handle_event( jtag_tap_t * tap, enum jtag_tap_event e);
+void jtag_tap_handle_event(jtag_tap_t* tap, enum jtag_tap_event e);
/* error codes
* JTAG subsystem uses codes between -100 and -199 */
-#define ERROR_JTAG_INIT_FAILED (-100)
-#define ERROR_JTAG_INVALID_INTERFACE (-101)
-#define ERROR_JTAG_NOT_IMPLEMENTED (-102)
-#define ERROR_JTAG_TRST_ASSERTED (-103)
-#define ERROR_JTAG_QUEUE_FAILED (-104)
-#define ERROR_JTAG_NOT_STABLE_STATE (-105)
-#define ERROR_JTAG_DEVICE_ERROR (-107)
+#define ERROR_JTAG_INIT_FAILED (-100)
+#define ERROR_JTAG_INVALID_INTERFACE (-101)
+#define ERROR_JTAG_NOT_IMPLEMENTED (-102)
+#define ERROR_JTAG_TRST_ASSERTED (-103)
+#define ERROR_JTAG_QUEUE_FAILED (-104)
+#define ERROR_JTAG_NOT_STABLE_STATE (-105)
+#define ERROR_JTAG_DEVICE_ERROR (-107)
/* this allows JTAG devices to implement the entire jtag_xxx() layer in hw/sw */
#define MINIDRIVER(a) notused ## a
#else
#define MINIDRIVER(a) a
+
/* jtag_add_dr_out() is a faster version of jtag_add_dr_scan()
*
* Current or end_state can not be TAP_RESET. end_state can be -1
*
* Note that this jtag_add_dr_out can be defined as an inline function.
*/
-extern void interface_jtag_add_dr_out(jtag_tap_t *tap,
- int num_fields,
- const int *num_bits,
- const u32 *value,
- enum tap_state end_state);
+extern void interface_jtag_add_dr_out(jtag_tap_t* tap, int num_fields, const int* num_bits, const u32* value,
+ tap_state_t end_state);
+
#endif
-static __inline__ void jtag_add_dr_out(jtag_tap_t *tap,
- int num_fields,
- const int *num_bits,
- const u32 *value,
- enum tap_state end_state)
+static __inline__ void jtag_add_dr_out(jtag_tap_t* tap, int num_fields, const int* num_bits, const u32* value,
+ tap_state_t end_state)
{
if (end_state != -1)
- cmd_queue_end_state=end_state;
- cmd_queue_cur_state=cmd_queue_end_state;
+ cmd_queue_end_state = end_state;
+ cmd_queue_cur_state = cmd_queue_end_state;
interface_jtag_add_dr_out(tap, num_fields, num_bits, value, cmd_queue_end_state);
}
-/**
- * Function jtag_state_name
- * Returns a string suitable for display representing the JTAG tap_state
- */
-const char* jtag_state_name(enum tap_state state);
-
#endif /* JTAG_H */
*usb_buffer_p++ = va_arg(ap, int);
length--;
}
-
+
memset(
usb_buffer_p,
0,
usb_buffer[2] = addr;
usb_buffer[3] = length;
- usb_ret = usb_bulk_write(
+ usb_ret = usb_bulk_write(
pHDev, USB_EP1OUT_ADDR,
usb_buffer, sizeof(usb_buffer),
USB_TIMEOUT_MS
if(usb_ret < sizeof(usb_buffer)) {
break;
}
-
+
usb_ret = usb_bulk_read(
pHDev, USB_EP1IN_ADDR,
buffer, length,
if(usb_ret < length) {
break;
}
-
+
addr += length;
buffer += length;
count += length;
sizeof(usb_buffer) - 4 - length
);
- usb_ret = usb_bulk_write(
+ usb_ret = usb_bulk_write(
pHDev, USB_EP1OUT_ADDR,
(char *)usb_buffer, sizeof(usb_buffer),
USB_TIMEOUT_MS
if(usb_ret < sizeof(usb_buffer)) {
break;
}
-
+
addr += length;
buffer += length;
count += length;
LOG_ERROR("Malformed DTC image\n");
exit(1);
}
-
+
header = (struct header_s *)buffer;
buffer += sizeof(*header);
length -= sizeof(*header);
LOG_ERROR("Malformed DTC image\n");
exit(1);
}
-
+
switch(header->type) {
case DTCLOAD_COMMENT:
break;
break;
case DTCLOAD_LOAD:
- /* Send the DTC program to ST7 RAM. */
+ /* Send the DTC program to ST7 RAM. */
usb_err = ep1_memory_write(
pHDev,
DTC_LOAD_BUFFER,
case DTCLOAD_LUT_START:
lut_start = buffer[0];
break;
-
+
case DTCLOAD_LUT:
- usb_err = ep1_memory_write(
+ usb_err = ep1_memory_write(
pHDev,
ST7_USB_BUF_EP0OUT + lut_start,
header->length + 1, buffer
exit(1);
break;
}
-
+
buffer += (header->length + 1);
length -= (header->length + 1);
}
/* set up for download mode and make sure EP2 is set up to transmit */
usb_err = ep1_generic_commandl(
pHDev, 7,
-
+
EP1_CMD_DTC_STOP,
EP1_CMD_SET_UPLOAD,
EP1_CMD_SET_DOWNLOAD,
usb_err = ep1_generic_commandl(
pHDev, 13,
-
+
EP1_CMD_MEMORY_WRITE, /* preinitialize poll byte */
DTC_STATUS_POLL_BYTE >> 8,
DTC_STATUS_POLL_BYTE,
usb_err = dtc_run_download(pHDev,
dtc_queue.cmd_buffer, dtc_queue.cmd_index,
NULL, 0
- );
+ );
if(usb_err < 0) {
LOG_ERROR("dtc_run_download: %s\n", usb_strerror());
exit(1);
usb_err = dtc_run_download(pHDev,
dtc_queue.cmd_buffer, dtc_queue.cmd_index,
reply_buffer, dtc_queue.reply_index
- );
+ );
if(usb_err < 0) {
LOG_ERROR("dtc_run_download: %s\n", usb_strerror());
exit(1);
} else {
*tdo_p &=~ tdo_mask;
}
-
+
dtc_mask >>= 1;
if(dtc_mask == 0) {
dtc_p++;
tdo_p++;
tdo_mask = 1;
}
-
+
}
}
bits = 1;
byte = 0;
for(i = tap_state_queue.length; i--;) {
-
+
byte <<= 1;
if(tap_state_queue.buffer & 1) {
byte |= 1;
static
-void rlink_end_state(enum tap_state state)
+void rlink_end_state(tap_state_t state)
{
- if (tap_move_map[state] != -1)
- end_state = state;
+ if (tap_is_state_stable(state))
+ tap_set_end_state(state);
else
{
LOG_ERROR("BUG: %i is not a valid end state", state);
void rlink_state_move(void) {
int i=0, tms=0;
- u8 tms_scan = TAP_MOVE(cur_state, end_state);
+ u8 tms_scan = tap_get_tms_path(tap_get_state(), tap_get_end_state());
for (i = 0; i < 7; i++)
{
tap_state_queue_append(tms);
}
- cur_state = end_state;
+ tap_set_state(tap_get_end_state());
}
static
state_count = 0;
while (num_states)
{
- if (tap_transitions[cur_state].low == cmd->path[state_count])
+ if (tap_state_transition(tap_get_state(), FALSE) == cmd->path[state_count])
{
tms = 0;
}
- else if (tap_transitions[cur_state].high == cmd->path[state_count])
+ else if (tap_state_transition(tap_get_state(), TRUE) == cmd->path[state_count])
{
tms = 1;
}
else
{
- LOG_ERROR("BUG: %s -> %s isn't a valid TAP transition", jtag_state_name(cur_state), jtag_state_name(cmd->path[state_count]));
+ LOG_ERROR("BUG: %s -> %s isn't a valid TAP transition", tap_state_name(tap_get_state()), tap_state_name(cmd->path[state_count]));
exit(-1);
}
tap_state_queue_append(tms);
- cur_state = cmd->path[state_count];
+ tap_set_state(cmd->path[state_count]);
state_count++;
num_states--;
}
- end_state = cur_state;
+ tap_set_end_state(tap_get_state());
}
{
int i;
- enum tap_state saved_end_state = end_state;
+ tap_state_t saved_end_state = tap_get_end_state();
/* only do a state_move when we're not already in RTI */
- if (cur_state != TAP_IDLE)
+ if (tap_get_state() != TAP_IDLE)
{
rlink_end_state(TAP_IDLE);
rlink_state_move();
/* finish in end_state */
rlink_end_state(saved_end_state);
- if (cur_state != end_state)
+ if (tap_get_state() != tap_get_end_state())
rlink_state_move();
}
usb_err = ep1_generic_commandl(
pHDev, 6,
-
+
EP1_CMD_MEMORY_WRITE,
ST7_PADR >> 8,
ST7_PADR,
int scan_size
) {
int ir_scan;
- enum tap_state saved_end_state;
+ tap_state_t saved_end_state;
int byte_bits;
int extra_bits;
int chunk_bits;
/* Move to the proper state before starting to shift TDI/TDO. */
if (!(
- (!ir_scan && (cur_state == TAP_DRSHIFT))
+ (!ir_scan && (tap_get_state() == TAP_DRSHIFT))
||
- (ir_scan && (cur_state == TAP_IRSHIFT))
+ (ir_scan && (tap_get_state() == TAP_IRSHIFT))
)) {
- saved_end_state = end_state;
+ saved_end_state = tap_get_end_state();
rlink_end_state(ir_scan ? TAP_IRSHIFT : TAP_DRSHIFT);
rlink_state_move();
rlink_end_state(saved_end_state);
x = 0;
dtc_mask = 1 << (extra_bits - 1);
-
+
while(extra_bits--) {
if(*tdi_p & tdi_mask) {
x |= dtc_mask;
LOG_ERROR("enqueuing DTC reply entry: %s\n", strerror(errno));
exit(1);
}
-
+
tdi_bit_offset += chunk_bits;
}
if(type != SCAN_IN) {
x = 0;
dtc_mask = 1 << (8 - 1);
-
+
while(chunk_bits--) {
if(*tdi_p & tdi_mask) {
x |= dtc_mask;
}
-
+
dtc_mask >>= 1;
if(dtc_mask == 0) {
dtc_queue.cmd_buffer[dtc_queue.cmd_index++] = x;
x = 0;
dtc_mask = 1 << (8 - 1);
}
-
+
tdi_mask <<= 1;
if(tdi_mask == 0) {
tdi_p++;
LOG_ERROR("enqueuing DTC reply entry: %s\n", strerror(errno));
exit(1);
}
-
+
tdi_bit_offset += extra_bits;
if(type == SCAN_IN) {
x = 0;
dtc_mask = 1 << (8 - 1);
-
+
while(extra_bits--) {
if(*tdi_p & tdi_mask) {
x |= dtc_mask;
}
-
+
dtc_mask >>= 1;
-
+
tdi_mask <<= 1;
if(tdi_mask == 0) {
tdi_p++;
LOG_ERROR("enqueuing DTC reply entry: %s\n", strerror(errno));
exit(1);
}
-
- dtc_queue.cmd_buffer[dtc_queue.cmd_index++] =
+
+ dtc_queue.cmd_buffer[dtc_queue.cmd_index++] =
DTC_CMD_SHIFT_TMS_TDI_BIT_PAIR(1, (*tdi_p & tdi_mask), 1);
dtc_queue.reply_index++;
/* Move to pause state */
tap_state_queue_append(0);
- cur_state = ir_scan ? TAP_IRPAUSE : TAP_DRPAUSE;
- if (cur_state != end_state) rlink_state_move();
+ tap_set_state(ir_scan ? TAP_IRPAUSE : TAP_DRPAUSE);
+ if (tap_get_state() != tap_get_end_state()) rlink_state_move();
return(0);
}
#endif
if ((cmd->cmd.reset->trst == 1) || (cmd->cmd.reset->srst && (jtag_reset_config & RESET_SRST_PULLS_TRST)))
{
- cur_state = TAP_RESET;
+ tap_set_state(TAP_RESET);
}
rlink_reset(cmd->cmd.reset->trst, cmd->cmd.reset->srst);
break;
LOG_ERROR("An error occurred while trying to load DTC code for speed \"%d\".\n", speed);
exit(1);
}
-
+
if(dtc_start_download() < 0) {
LOG_ERROR("%s, %d: starting DTC: %s",
__FILE__, __LINE__,
/* usb_set_configuration required under win32 */
usb_set_configuration(pHDev, dev->config[0].bConfigurationValue);
-
+
retries = 3;
do
{
int usbprog_init(void);
int usbprog_quit(void);
-void usbprog_end_state(enum tap_state state);
+void usbprog_end_state(tap_state_t state);
void usbprog_state_move(void);
void usbprog_path_move(pathmove_command_t *cmd);
void usbprog_runtest(int num_cycles);
#endif
if (cmd->cmd.reset->trst == 1)
{
- cur_state = TAP_RESET;
+ tap_set_state(TAP_RESET);
}
usbprog_reset(cmd->cmd.reset->trst, cmd->cmd.reset->srst);
break;
}
/*************** jtag execute commands **********************/
-void usbprog_end_state(enum tap_state state)
+void usbprog_end_state(tap_state_t state)
{
- if (tap_move_map[state] != -1)
- end_state = state;
+ if (tap_is_state_stable(state))
+ tap_set_end_state(state);
else
{
LOG_ERROR("BUG: %i is not a valid end state", state);
void usbprog_state_move(void)
{
int i = 0, tms = 0;
- u8 tms_scan = TAP_MOVE(cur_state, end_state);
+ u8 tms_scan = tap_get_tms_path(tap_get_state(), tap_get_end_state());
usbprog_jtag_write_tms(usbprog_jtag_handle, (char)tms_scan);
for (i = 0; i < 7; i++)
tms = (tms_scan >> i) & 1;
}
- cur_state = end_state;
+ tap_set_state(tap_get_end_state());
}
void usbprog_path_move(pathmove_command_t *cmd)
state_count = 0;
while (num_states)
{
- if (tap_transitions[cur_state].low == cmd->path[state_count])
+ if (tap_state_transition(tap_get_state(), FALSE) == cmd->path[state_count])
{
/* LOG_INFO("1"); */
usbprog_write(0, 0, 0);
usbprog_write(1, 0, 0);
}
- else if (tap_transitions[cur_state].high == cmd->path[state_count])
+ else if (tap_state_transition(tap_get_state(), TRUE) == cmd->path[state_count])
{
/* LOG_INFO("2"); */
usbprog_write(0, 1, 0);
}
else
{
- LOG_ERROR("BUG: %s -> %s isn't a valid TAP transition", jtag_state_name(cur_state), jtag_state_name(cmd->path[state_count]));
+ LOG_ERROR("BUG: %s -> %s isn't a valid TAP transition", tap_state_name(tap_get_state()), tap_state_name(cmd->path[state_count]));
exit(-1);
}
- cur_state = cmd->path[state_count];
+ tap_set_state(cmd->path[state_count]);
state_count++;
num_states--;
}
- end_state = cur_state;
+ tap_set_end_state(tap_get_state());
}
void usbprog_runtest(int num_cycles)
int i;
/* only do a state_move when we're not already in IDLE */
- if (cur_state != TAP_IDLE)
+ if (tap_get_state() != TAP_IDLE)
{
usbprog_end_state(TAP_IDLE);
usbprog_state_move();
/* finish in end_state */
/*
usbprog_end_state(saved_end_state);
- if (cur_state != end_state)
+ if (tap_get_state() != tap_get_end_state())
usbprog_state_move();
*/
}
void usbprog_scan(int ir_scan, enum scan_type type, u8 *buffer, int scan_size)
{
- enum tap_state saved_end_state = end_state;
+ tap_state_t saved_end_state = tap_get_end_state();
if (ir_scan)
usbprog_end_state(TAP_IRSHIFT);
}
if (ir_scan)
- cur_state = TAP_IRPAUSE;
+ tap_set_state(TAP_IRPAUSE);
else
- cur_state = TAP_DRPAUSE;
+ tap_set_state(TAP_DRPAUSE);
- if (cur_state != end_state)
+ if (tap_get_state() != tap_get_end_state())
usbprog_state_move();
}
#define JTAG_PINMSK_TDO (1 << 7)
-#define VSLLINK_TAP_MOVE(from, to) VSLLINK_tap_move[tap_move_map[from]][tap_move_map[to]]
+#define VSLLINK_TAP_MOVE(from, to) VSLLINK_tap_move[tap_move_ndx(from)][tap_move_ndx(to)]
/* VSLLINK_tap_move[i][j]: tap movement command to go from state i to state j
* 0: Test-Logic-Reset
* 3: Pause-DR
* 4: Shift-IR
* 5: Pause-IR
- *
+ *
* SD->SD and SI->SI have to be caught in interface specific code
*/
u8 VSLLINK_tap_move[6][6] =
int vsllink_handle_usb_bulkout_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
/* Queue command functions */
-void vsllink_end_state(enum tap_state state);
+void vsllink_end_state(tap_state_t state);
void vsllink_state_move(void);
-void vsllink_path_move(int num_states, enum tap_state *path);
+void vsllink_path_move(int num_states, tap_state_t *path);
void vsllink_runtest(int num_cycles);
void vsllink_stableclocks(int num_cycles, int tms);
void vsllink_scan(int ir_scan, enum scan_type type, u8 *buffer, int scan_size, scan_command_t *command);
switch (cmd->type)
{
case JTAG_END_STATE:
- DEBUG_JTAG_IO("end_state: %s", jtag_state_name(cmd->cmd.end_state->end_state));
-
+ DEBUG_JTAG_IO("end_state: %s", tap_state_name(cmd->cmd.end_state->end_state));
+
if (cmd->cmd.end_state->end_state != -1)
{
vsllink_end_state(cmd->cmd.end_state->end_state);
}
break;
-
+
case JTAG_RUNTEST:
DEBUG_JTAG_IO( "runtest %i cycles, end in %s", cmd->cmd.runtest->num_cycles, \
- jtag_state_name(cmd->cmd.runtest->end_state));
+ tap_state_name(cmd->cmd.runtest->end_state));
if (cmd->cmd.runtest->end_state != -1)
{
}
vsllink_runtest(cmd->cmd.runtest->num_cycles);
break;
-
+
case JTAG_STATEMOVE:
- DEBUG_JTAG_IO("statemove end in %s", jtag_state_name(cmd->cmd.statemove->end_state));
-
+ DEBUG_JTAG_IO("statemove end in %s", tap_state_name(cmd->cmd.statemove->end_state));
+
if (cmd->cmd.statemove->end_state != -1)
{
vsllink_end_state(cmd->cmd.statemove->end_state);
}
vsllink_state_move();
break;
-
+
case JTAG_PATHMOVE:
DEBUG_JTAG_IO("pathmove: %i states, end in %s", \
cmd->cmd.pathmove->num_states, \
- jtag_state_name(cmd->cmd.pathmove->path[cmd->cmd.pathmove->num_states - 1]));
-
+ tap_state_name(cmd->cmd.pathmove->path[cmd->cmd.pathmove->num_states - 1]));
+
vsllink_path_move(cmd->cmd.pathmove->num_states, cmd->cmd.pathmove->path);
break;
-
+
case JTAG_SCAN:
if (cmd->cmd.scan->end_state != -1)
{
vsllink_end_state(cmd->cmd.scan->end_state);
}
-
+
scan_size = jtag_build_buffer(cmd->cmd.scan, &buffer);
if (cmd->cmd.scan->ir_scan)
{
- DEBUG_JTAG_IO("JTAG Scan write IR(%d bits), end in %s:", scan_size, jtag_state_name(cmd->cmd.scan->end_state));
+ DEBUG_JTAG_IO("JTAG Scan write IR(%d bits), end in %s:", scan_size, tap_state_name(cmd->cmd.scan->end_state));
}
else
{
- DEBUG_JTAG_IO("JTAG Scan write DR(%d bits), end in %s:", scan_size, jtag_state_name(cmd->cmd.scan->end_state));
+ DEBUG_JTAG_IO("JTAG Scan write DR(%d bits), end in %s:", scan_size, tap_state_name(cmd->cmd.scan->end_state));
}
#ifdef _DEBUG_JTAG_IO_
vsllink_scan(cmd->cmd.scan->ir_scan, type, buffer, scan_size, cmd->cmd.scan);
break;
-
+
case JTAG_RESET:
DEBUG_JTAG_IO("reset trst: %i srst %i", cmd->cmd.reset->trst, cmd->cmd.reset->srst);
if (cmd->cmd.reset->trst == 1)
{
- cur_state = TAP_RESET;
+ tap_set_state(TAP_RESET);
}
vsllink_reset(cmd->cmd.reset->trst, cmd->cmd.reset->srst);
vsllink_usb_out_buffer[0] = VSLLINK_CMD_HW_JTAGSEQCMD;
vsllink_usb_out_buffer_idx = 3;
break;
-
+
case JTAG_SLEEP:
DEBUG_JTAG_IO("sleep %i", cmd->cmd.sleep->us);
vsllink_tap_execute();
case JTAG_STABLECLOCKS:
DEBUG_JTAG_IO("add %d clocks", cmd->cmd.stableclocks->num_cycles);
- switch(cur_state)
+ switch(tap_get_state())
{
case TAP_RESET:
// tms should be '1' to stay in TAP_RESET mode
break; /* above stable states are OK */
default:
LOG_ERROR( "jtag_add_clocks() was called with TAP in non-stable state \"%s\"",
- jtag_state_name(cur_state) );
+ tap_state_name(tap_get_state()) );
exit(-1);
}
vsllink_stableclocks(cmd->cmd.stableclocks->num_cycles, scan_size);
}
cmd = cmd->next;
}
-
+
return vsllink_tap_execute();
}
vsllink_usb_out_buffer[0] = VSLLINK_CMD_SET_SPEED;
vsllink_usb_out_buffer[1] = (speed >> 0) & 0xff;
vsllink_usb_out_buffer[2] = (speed >> 8) & 0xFF;
-
+
result = vsllink_usb_write(vsllink_jtag_handle, 3);
-
+
if (result == 3)
{
return ERROR_OK;
LOG_ERROR("VSLLink setting speed failed (%d)", result);
return ERROR_JTAG_DEVICE_ERROR;
}
-
+
return ERROR_OK;
}
int vsllink_khz(int khz, int *jtag_speed)
{
*jtag_speed = khz;
-
+
return ERROR_OK;
}
int vsllink_register_commands(struct command_context_s *cmd_ctx)
{
- register_command(cmd_ctx, NULL, "vsllink_usb_vid", vsllink_handle_usb_vid_command,
+ register_command(cmd_ctx, NULL, "vsllink_usb_vid", vsllink_handle_usb_vid_command,
COMMAND_CONFIG, NULL);
- register_command(cmd_ctx, NULL, "vsllink_usb_pid", vsllink_handle_usb_pid_command,
+ register_command(cmd_ctx, NULL, "vsllink_usb_pid", vsllink_handle_usb_pid_command,
COMMAND_CONFIG, NULL);
- register_command(cmd_ctx, NULL, "vsllink_usb_bulkin", vsllink_handle_usb_bulkin_command,
+ register_command(cmd_ctx, NULL, "vsllink_usb_bulkin", vsllink_handle_usb_bulkin_command,
COMMAND_CONFIG, NULL);
- register_command(cmd_ctx, NULL, "vsllink_usb_bulkout", vsllink_handle_usb_bulkout_command,
+ register_command(cmd_ctx, NULL, "vsllink_usb_bulkout", vsllink_handle_usb_bulkout_command,
COMMAND_CONFIG, NULL);
return ERROR_OK;
int vsllink_init(void)
{
- int check_cnt;
+ int check_cnt;
int result;
char version_str[100];
}
vsllink_jtag_handle = vsllink_usb_open();
-
+
if (vsllink_jtag_handle == 0)
{
LOG_ERROR("Can't find USB JTAG Interface! Please check connection and permissions.");
return ERROR_JTAG_INIT_FAILED;
}
-
+
check_cnt = 0;
while (check_cnt < 3)
{
LOG_INFO("VSLLink JTAG Interface ready");
vsllink_tap_init();
-
+
return ERROR_OK;
}
// length of VSLLINK_CMDJTAGSEQ_TMSBYTE has been set, no need to set it here.
void vsllink_append_tms(void)
{
- u8 tms_scan = VSLLINK_TAP_MOVE(cur_state, end_state);
+ u8 tms_scan = VSLLINK_TAP_MOVE(tap_get_state(), tap_get_end_state());
u16 tms2;
+ tap_state_t end_state = tap_get_end_state();
- if (((cur_state != TAP_RESET) && (cur_state != TAP_IDLE) && (cur_state != TAP_DRPAUSE) && (cur_state != TAP_IRPAUSE)) || \
+ if (((tap_get_state() != TAP_RESET) && (tap_get_state() != TAP_IDLE) && (tap_get_state() != TAP_DRPAUSE) && (tap_get_state() != TAP_IRPAUSE)) || \
(vsllink_tms_data_len <= 0) || (vsllink_tms_data_len >= 8) || \
(vsllink_tms_cmd_pos == NULL))
{
exit(-1);
}
- tms2 = (tms_scan & VSLLINK_BIT_MSK[VSLLINK_TAP_MOVE_INSERT_INSIGNIFICANT[tap_move_map[cur_state]][tap_move_map[end_state]].insert_position]) << \
+ tms2 = (tms_scan & VSLLINK_BIT_MSK[VSLLINK_TAP_MOVE_INSERT_INSIGNIFICANT[tap_move_ndx(tap_get_state())][tap_move_ndx(end_state)].insert_position]) << \
vsllink_tms_data_len;
- if (VSLLINK_TAP_MOVE_INSERT_INSIGNIFICANT[tap_move_map[cur_state]][tap_move_map[end_state]].insert_value == 1)
+ if (VSLLINK_TAP_MOVE_INSERT_INSIGNIFICANT[tap_move_ndx(tap_get_state())][tap_move_ndx(end_state)].insert_value == 1)
{
tms2 |= VSLLINK_BIT_MSK[8 - vsllink_tms_data_len] << \
- (vsllink_tms_data_len + VSLLINK_TAP_MOVE_INSERT_INSIGNIFICANT[tap_move_map[cur_state]][tap_move_map[end_state]].insert_position);
+ (vsllink_tms_data_len + VSLLINK_TAP_MOVE_INSERT_INSIGNIFICANT[tap_move_ndx(tap_get_state())][tap_move_ndx(end_state)].insert_position);
}
- tms2 |= (tms_scan >> VSLLINK_TAP_MOVE_INSERT_INSIGNIFICANT[tap_move_map[cur_state]][tap_move_map[end_state]].insert_position) << \
- (8 + VSLLINK_TAP_MOVE_INSERT_INSIGNIFICANT[tap_move_map[cur_state]][tap_move_map[end_state]].insert_position);
+ tms2 |= (tms_scan >> VSLLINK_TAP_MOVE_INSERT_INSIGNIFICANT[tap_move_ndx(tap_get_state())][tap_move_ndx(end_state)].insert_position) << \
+ (8 + VSLLINK_TAP_MOVE_INSERT_INSIGNIFICANT[tap_move_ndx(tap_get_state())][tap_move_ndx(end_state)].insert_position);
vsllink_usb_out_buffer[vsllink_usb_out_buffer_idx++] |= (tms2 >> 0) & 0xff;
vsllink_usb_out_buffer[vsllink_usb_out_buffer_idx++] = (tms2 >> 8) & 0xff;
/***************************************************************************/
/* Queue command implementations */
-void vsllink_end_state(enum tap_state state)
+void vsllink_end_state(tap_state_t state)
{
- if (tap_move_map[state] != -1)
+ if (tap_is_state_stable(state))
{
- end_state = state;
+ tap_set_end_state(state);
}
else
{
vsllink_tap_ensure_space(0, 2);
vsllink_usb_out_buffer[vsllink_usb_out_buffer_idx++] = VSLLINK_CMDJTAGSEQ_TMSBYTE;
- vsllink_usb_out_buffer[vsllink_usb_out_buffer_idx++] = VSLLINK_TAP_MOVE(cur_state, end_state);
+ vsllink_usb_out_buffer[vsllink_usb_out_buffer_idx++] = VSLLINK_TAP_MOVE(tap_get_state(), tap_get_end_state());
}
- cur_state = end_state;
+ tap_set_state(tap_get_end_state());
}
// write tms from current vsllink_usb_out_buffer[vsllink_usb_out_buffer_idx]
-void vsllink_add_path(int start, int num, enum tap_state *path)
+void vsllink_add_path(int start, int num, tap_state_t *path)
{
int i;
vsllink_usb_out_buffer[vsllink_usb_out_buffer_idx] = 0;
}
- if (path[i - start] == tap_transitions[cur_state].high)
+ if (path[i - start] == tap_state_transition(tap_get_state(), TRUE))
{
vsllink_usb_out_buffer[vsllink_usb_out_buffer_idx] |= 1 << (i & 7);
}
- else if (path[i - start] == tap_transitions[cur_state].low)
+ else if (path[i - start] == tap_state_transition(tap_get_state(), FALSE))
{
// nothing to do
}
else
{
- LOG_ERROR("BUG: %s -> %s isn't a valid TAP transition", jtag_state_name(cur_state), jtag_state_name(path[i]));
+ LOG_ERROR("BUG: %s -> %s isn't a valid TAP transition", tap_state_name(tap_get_state()), tap_state_name(path[i]));
exit(-1);
}
- cur_state = path[i - start];
+ tap_set_state(path[i - start]);
}
if ((i > 0) && ((i & 7) == 0))
{
vsllink_usb_out_buffer[vsllink_usb_out_buffer_idx] = 0;
}
- end_state = cur_state;
+ tap_set_end_state(tap_get_state());
}
-void vsllink_path_move(int num_states, enum tap_state *path)
+void vsllink_path_move(int num_states, tap_state_t *path)
{
int i, tms_len, tms_cmd_pos, path_idx = 0;
void vsllink_runtest(int num_cycles)
{
- enum tap_state saved_end_state = end_state;
+ tap_state_t saved_end_state = tap_get_end_state();
- if (cur_state != TAP_IDLE)
+ if (tap_get_state() != TAP_IDLE)
{
// enter into IDLE state
vsllink_end_state(TAP_IDLE);
// post-process
// set end_state
vsllink_end_state(saved_end_state);
- cur_state = TAP_IDLE;
- if (end_state != TAP_IDLE)
+ tap_set_state(TAP_IDLE);
+ if (tap_get_end_state() != TAP_IDLE)
{
vsllink_state_move();
}
void vsllink_scan(int ir_scan, enum scan_type type, u8 *buffer, int scan_size, scan_command_t *command)
{
- enum tap_state saved_end_state;
+ tap_state_t saved_end_state;
u8 bits_left, tms_tmp, tdi_len;
int i;
LOG_ERROR("Your implementation of VSLLink has not enough buffer");
exit(-1);
}
-
- saved_end_state = end_state;
-
+
+ saved_end_state = tap_get_end_state();
+
/* Move to appropriate scan state */
vsllink_end_state(ir_scan ? TAP_IRSHIFT : TAP_DRSHIFT);
if (vsllink_tms_data_len > 0)
{
- if (cur_state == end_state)
+ if (tap_get_state() == tap_get_end_state())
{
// already in IRSHIFT or DRSHIFT state
// merge tms data in the last tms shift command into next scan command
}
vsllink_tap_ensure_space(1, tdi_len + 7);
- // VSLLINK_CMDJTAGSEQ_SCAN ored by 1 means that tms_before is valid
+ // VSLLINK_CMDJTAGSEQ_SCAN ored by 1 means that tms_before is valid
// which is merged from the last tms shift command
vsllink_usb_out_buffer[vsllink_usb_out_buffer_idx++] = VSLLINK_CMDJTAGSEQ_SCAN | 1;
vsllink_usb_out_buffer[vsllink_usb_out_buffer_idx++] = ((tdi_len + 1) >> 0) & 0xff;
vsllink_usb_out_buffer[vsllink_usb_out_buffer_idx++] = VSLLINK_CMDJTAGSEQ_SCAN | 1;
vsllink_usb_out_buffer[vsllink_usb_out_buffer_idx++] = ((tdi_len + 1) >> 0) & 0xff;
vsllink_usb_out_buffer[vsllink_usb_out_buffer_idx++] = ((tdi_len + 1)>> 8) & 0xff;
- vsllink_usb_out_buffer[vsllink_usb_out_buffer_idx++] = VSLLINK_TAP_MOVE(cur_state, end_state);
+ vsllink_usb_out_buffer[vsllink_usb_out_buffer_idx++] = VSLLINK_TAP_MOVE(tap_get_state(), tap_get_end_state());
vsllink_usb_out_buffer[vsllink_usb_out_buffer_idx++] = 0;
vsllink_tap_append_scan(scan_size, buffer, command, 8);
vsllink_end_state(saved_end_state);
bits_left = scan_size & 0x07;
- cur_state = ir_scan ? TAP_IRPAUSE : TAP_DRPAUSE;
+ tap_set_state(ir_scan ? TAP_IRPAUSE : TAP_DRPAUSE);
if (bits_left > 0)
{
vsllink_usb_out_buffer[vsllink_usb_out_buffer_idx++] = 1 << 7;
}
- if (cur_state != end_state)
+ if (tap_get_state() != tap_get_end_state())
{
- vsllink_usb_out_buffer[vsllink_usb_out_buffer_idx++] = VSLLINK_TAP_MOVE(cur_state, end_state);
+ vsllink_usb_out_buffer[vsllink_usb_out_buffer_idx++] = VSLLINK_TAP_MOVE(tap_get_state(), tap_get_end_state());
}
else
{
vsllink_usb_out_buffer[vsllink_usb_out_buffer_idx++] = 0;
}
- cur_state = end_state;
+ tap_set_state(tap_get_end_state());
}
void vsllink_reset(int trst, int srst)
int result;
LOG_DEBUG("trst: %i, srst: %i", trst, srst);
-
+
/* Signals are active low */
vsllink_usb_out_buffer[0] = VSLLINK_CMD_SET_PORT;
vsllink_usb_out_buffer[1] = JTAG_PINMSK_SRST | JTAG_PINMSK_TRST;
void vsllink_simple_command(u8 command)
{
int result;
-
+
DEBUG_JTAG_IO("0x%02x", command);
-
+
vsllink_usb_out_buffer[0] = command;
result = vsllink_usb_write(vsllink_jtag_handle, 1);
-
+
if (result != 1)
{
LOG_ERROR("VSLLink command 0x%02x failed (%d)", command, result);
int vsllink_handle_usb_vid_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
{
if (argc != 1) {
- LOG_ERROR("parameter error, should be one parameter for VID");
+ LOG_ERROR("parameter error, should be one parameter for VID");
return ERROR_OK;
}
int vsllink_handle_usb_pid_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
{
if (argc != 1) {
- LOG_ERROR("parameter error, should be one parameter for PID");
+ LOG_ERROR("parameter error, should be one parameter for PID");
return ERROR_OK;
}
int vsllink_handle_usb_bulkin_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
{
if (argc != 1) {
- LOG_ERROR("parameter error, should be one parameter for BULKIN endpoint");
+ LOG_ERROR("parameter error, should be one parameter for BULKIN endpoint");
return ERROR_OK;
}
int vsllink_handle_usb_bulkout_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
{
if (argc != 1) {
- LOG_ERROR("parameter error, should be one parameter for BULKOUT endpoint");
+ LOG_ERROR("parameter error, should be one parameter for BULKOUT endpoint");
return ERROR_OK;
}
{
int available_scans = MAX_PENDING_SCAN_RESULTS - pending_scan_results_length;
int available_bytes = VSLLINK_BufferSize - vsllink_usb_out_buffer_idx;
-
+
if (scans > available_scans || bytes > available_bytes)
{
vsllink_tap_execute();
if (vsllink_tms_data_len > 0)
{
- if((cur_state != TAP_RESET) && (cur_state != TAP_IDLE) && (cur_state != TAP_IRPAUSE) && (cur_state != TAP_DRPAUSE))
+ if((tap_get_state() != TAP_RESET) && (tap_get_state() != TAP_IDLE) && (tap_get_state() != TAP_IRPAUSE) && (tap_get_state() != TAP_DRPAUSE))
{
- LOG_WARNING("%s is not in RESET or IDLE or PAUSR state", jtag_state_name(cur_state));
+ LOG_WARNING("%s is not in RESET or IDLE or PAUSR state", tap_state_name(tap_get_state()));
}
if (vsllink_usb_out_buffer[vsllink_usb_out_buffer_idx] & (1 << (vsllink_tms_data_len - 1)))
vsllink_tms_data_len = 0;
}
}
-
+
if (vsllink_usb_out_buffer_idx > 3)
{
if (vsllink_usb_out_buffer[0] == VSLLINK_CMD_HW_JTAGSEQCMD)
}
result = vsllink_usb_message(vsllink_jtag_handle, vsllink_usb_out_buffer_idx, vsllink_usb_in_want_length);
-
+
if (result == vsllink_usb_in_want_length)
{
for (i = 0; i < pending_scan_results_length; i++)
// IRSHIFT or DRSHIFT
buf_set_buf(vsllink_usb_in_buffer, first * 8 + offset, buffer, 0, length);
first += (length + offset + 7) >> 3;
-
+
DEBUG_JTAG_IO("JTAG scan read(%d bits):", length);
#ifdef _DEBUG_JTAG_IO_
vsllink_debug_buffer(buffer, (length + 7) >> 3);
LOG_ERROR("vsllink_tap_execute, wrong result %d, expected %d", result, vsllink_usb_in_want_length);
return ERROR_JTAG_QUEUE_FAILED;
}
-
+
vsllink_tap_init();
}
struct usb_bus *busses;
struct usb_bus *bus;
struct usb_device *dev;
-
+
vsllink_jtag_t *result;
-
+
result = (vsllink_jtag_t*) malloc(sizeof(vsllink_jtag_t));
-
+
usb_init();
usb_find_busses();
usb_find_devices();
-
+
busses = usb_get_busses();
-
+
/* find vsllink_jtag device in usb bus */
-
+
for (bus = busses; bus; bus = bus->next)
{
for (dev = bus->devices; dev; dev = dev->next)
if ((dev->descriptor.idVendor == vsllink_vid) && (dev->descriptor.idProduct == vsllink_pid))
{
result->usb_handle = usb_open(dev);
-
+
/* usb_set_configuration required under win32 */
usb_set_configuration(result->usb_handle, dev->config[0].bConfigurationValue);
usb_claim_interface(result->usb_handle, 0);
-
+
#if 0
- /*
+ /*
* This makes problems under Mac OS X. And is not needed
* under Windows. Hopefully this will not break a linux build
*/
usb_set_altinterface(result->usb_handle, 0);
-#endif
+#endif
return result;
}
}
}
-
+
free(result);
return NULL;
}
int vsllink_usb_message(vsllink_jtag_t *vsllink_jtag, int out_length, int in_length)
{
int result;
-
+
result = vsllink_usb_write(vsllink_jtag, out_length);
if (result == out_length)
{
int vsllink_usb_write(vsllink_jtag_t *vsllink_jtag, int out_length)
{
int result;
-
+
if (out_length > VSLLINK_BufferSize)
{
LOG_ERROR("vsllink_jtag_write illegal out_length=%d (max=%d)", out_length, VSLLINK_BufferSize);
return -1;
}
-
+
result = usb_bulk_write(vsllink_jtag->usb_handle, vsllink_bulkout, \
(char *)vsllink_usb_out_buffer, out_length, VSLLINK_USB_TIMEOUT);
-
+
DEBUG_JTAG_IO("vsllink_usb_write, out_length = %d, result = %d", out_length, result);
-
+
#ifdef _DEBUG_USB_COMMS_
LOG_DEBUG("USB out:");
vsllink_debug_buffer(vsllink_usb_out_buffer, out_length);
(char *)vsllink_usb_in_buffer, VSLLINK_BufferSize, VSLLINK_USB_TIMEOUT);
DEBUG_JTAG_IO("vsllink_usb_read, result = %d", result);
-
+
#ifdef _DEBUG_USB_COMMS_
LOG_DEBUG("USB in:");
vsllink_debug_buffer(vsllink_usb_in_buffer, result);
char s[4];
int i;
int j;
-
+
for (i = 0; i < length; i += BYTES_PER_LINE)
{
snprintf(line, 5, "%04x", i);
static int
zylinjtag_Jim_Command_powerstatus(Jim_Interp *interp,
- int argc,
+ int argc,
Jim_Obj * const *argv)
{
if (argc != 1)
#endif
#if 0
-static void shiftValueInnerFlip(const enum tap_state state, const enum tap_state endState, int repeat, cyg_uint32 value)
+static void shiftValueInnerFlip(const tap_state_t state, const tap_state_t endState, int repeat, cyg_uint32 value)
{
- VERBOSE(LOG_INFO("shiftValueInner %s %s %d %08x (flipped)", jtag_state_name(state), jtag_state_name(endState), repeat, value));
+ VERBOSE(LOG_INFO("shiftValueInner %s %s %d %08x (flipped)", tap_state_name(state), tap_state_name(endState), repeat, value));
cyg_uint32 a,b;
a=state;
b=endState;
setCurrentState(cmd_queue_end_state);
}
-static __inline void scanFields(int num_fields, scan_field_t *fields, enum tap_state shiftState, int pause)
+static __inline void scanFields(int num_fields, scan_field_t *fields, tap_state_t shiftState, int pause)
{
int i;
int j;
j=0;
while (j<num_bits)
{
- enum tap_state pause_state;
+ tap_state_t pause_state;
int l;
k=num_bits-j;
pause_state=(shiftState==TAP_DRSHIFT)?TAP_DRSHIFT:TAP_IRSHIFT;
}
}
-int interface_jtag_add_end_state(enum tap_state state)
+int interface_jtag_add_end_state(tap_state_t state)
{
return ERROR_OK;
}
-int interface_jtag_add_ir_scan(int num_fields, scan_field_t *fields, enum tap_state state)
+int interface_jtag_add_ir_scan(int num_fields, scan_field_t *fields, tap_state_t state)
{
int j;
-int interface_jtag_add_plain_ir_scan(int num_fields, scan_field_t *fields, enum tap_state state)
+int interface_jtag_add_plain_ir_scan(int num_fields, scan_field_t *fields, tap_state_t state)
{
scanFields(num_fields, fields, TAP_IRSHIFT, 1);
gotoEndState();
/*extern jtag_command_t **jtag_get_last_command_p(void);*/
-int interface_jtag_add_dr_scan(int num_fields, scan_field_t *fields, enum tap_state state)
+int interface_jtag_add_dr_scan(int num_fields, scan_field_t *fields, tap_state_t state)
{
int j;
return ERROR_OK;
}
-int interface_jtag_add_plain_dr_scan(int num_fields, scan_field_t *fields, enum tap_state state)
+int interface_jtag_add_plain_dr_scan(int num_fields, scan_field_t *fields, tap_state_t state)
{
scanFields(num_fields, fields, TAP_DRSHIFT, 1);
gotoEndState();
return ERROR_OK;
}
-static int zy1000_jtag_add_clocks(int num_cycles, enum tap_state state, enum tap_state clockstate)
+static int zy1000_jtag_add_clocks(int num_cycles, tap_state_t state, tap_state_t clockstate)
{
/* num_cycles can be 0 */
setCurrentState(clockstate);
/* finish in end_state */
setCurrentState(state);
#else
- enum tap_state t=TAP_IDLE;
+ tap_state_t t=TAP_IDLE;
/* test manual drive code on any target */
int tms;
- u8 tms_scan = TAP_MOVE(t, state);
+ u8 tms_scan = tap_get_tms_path(t, state);
for (i = 0; i < 7; i++)
{
return ERROR_OK;
}
-int interface_jtag_add_runtest(int num_cycles, enum tap_state state)
+int interface_jtag_add_runtest(int num_cycles, tap_state_t state)
{
return zy1000_jtag_add_clocks(num_cycles, state, TAP_IDLE);
}
return ERROR_OK;
}
-int interface_jtag_add_pathmove(int num_states, enum tap_state *path)
+int interface_jtag_add_pathmove(int num_states, tap_state_t *path)
{
int state_count;
int tms = 0;
state_count = 0;
- enum tap_state cur_state=cmd_queue_cur_state;
+ tap_state_t cur_state=cmd_queue_cur_state;
while (num_states)
{
- if (tap_transitions[cur_state].low == path[state_count])
+ if (tap_state_transition(cur_state, FALSE) == path[state_count])
{
tms = 0;
}
- else if (tap_transitions[cur_state].high == path[state_count])
+ else if (tap_state_transition(cur_state, TRUE) == path[state_count])
{
tms = 1;
}
else
{
- LOG_ERROR("BUG: %s -> %s isn't a valid TAP transition", jtag_state_name(cur_state), jtag_state_name(path[state_count]));
+ LOG_ERROR("BUG: %s -> %s isn't a valid TAP transition", tap_state_name(cur_state), tap_state_name(path[state_count]));
exit(-1);
}
void embeddedice_write_dcc(jtag_tap_t *tap, int reg_addr, u8 *buffer, int little, int count)
{
// static int const reg_addr=0x5;
- enum tap_state end_state=cmd_queue_end_state;
+ tap_state_t end_state=cmd_queue_end_state;
if (jtag_NextEnabledTap(jtag_NextEnabledTap(NULL))==NULL)
{
/* better performance via code duplication */
TRST,
}svf_command_t;
-const char *svf_command_name[14] =
+const char *svf_command_name[14] =
{
"ENDDR",
"ENDIR",
}svf_para_t;
svf_para_t svf_para;
-const svf_para_t svf_para_init =
+const svf_para_t svf_para_init =
{
// frequency, ir_end_state, dr_end_state, runtest_run_state, runtest_end_state, trst_mode
0, TAP_IDLE, TAP_IDLE, TAP_IDLE, TAP_IDLE, TRST_Z,
memcpy(&svf_para, &svf_para_init, sizeof(svf_para));
for (i = 0; i < dimof(svf_tap_state_name); i++)
{
- svf_tap_state_name[i] = (char *)jtag_state_name(i);
+ svf_tap_state_name[i] = (char *)tap_state_name(i);
}
// TAP_RESET
jtag_add_tlr();
{
if ((svf_tdi_buffer[index + j] & svf_mask_buffer[index + j]) != svf_tdo_buffer[index + j])
{
- LOG_ERROR("tdo check error at line %d, read = 0x%X, want = 0x%X, mask = 0x%X",
- svf_check_tdo_para[i].line_num,
- (*(int*)(svf_tdi_buffer + index)) & ((1 << svf_check_tdo_para[i].bit_len) - 1),
- (*(int*)(svf_tdo_buffer + index)) & ((1 << svf_check_tdo_para[i].bit_len) - 1),
+ LOG_ERROR("tdo check error at line %d, read = 0x%X, want = 0x%X, mask = 0x%X",
+ svf_check_tdo_para[i].line_num,
+ (*(int*)(svf_tdi_buffer + index)) & ((1 << svf_check_tdo_para[i].bit_len) - 1),
+ (*(int*)(svf_tdo_buffer + index)) & ((1 << svf_check_tdo_para[i].bit_len) - 1),
(*(int*)(svf_mask_buffer + index)) & ((1 << svf_check_tdo_para[i].bit_len) - 1));
return ERROR_FAIL;
}
}
LOG_DEBUG("\t%s = 0x%X", argus[i], (**(int**)pbuffer_tmp) & ((1 << (xxr_para_tmp->len)) - 1));
}
- // If a command changes the length of the last scan of the same type and the MASK parameter is absent,
+ // If a command changes the length of the last scan of the same type and the MASK parameter is absent,
// the mask pattern used is all cares
if (!(xxr_para_tmp->data_mask & XXR_MASK) && (i_tmp != xxr_para_tmp->len))
{
/* internals */
void arm11_setup_field (arm11_common_t * arm11, int num_bits, void * in_data, void * out_data, scan_field_t * field);
-void arm11_add_IR (arm11_common_t * arm11, u8 instr, enum tap_state state);
-void arm11_add_debug_SCAN_N (arm11_common_t * arm11, u8 chain, enum tap_state state);
-void arm11_add_debug_INST (arm11_common_t * arm11, u32 inst, u8 * flag, enum tap_state state);
+void arm11_add_IR (arm11_common_t * arm11, u8 instr, tap_state_t state);
+void arm11_add_debug_SCAN_N (arm11_common_t * arm11, u8 chain, tap_state_t state);
+void arm11_add_debug_INST (arm11_common_t * arm11, u32 inst, u8 * flag, tap_state_t state);
u32 arm11_read_DSCR (arm11_common_t * arm11);
void arm11_write_DSCR (arm11_common_t * arm11, u32 dscr);
void arm11_run_instr_data_from_core_via_r0 (arm11_common_t * arm11, u32 opcode, u32 * data);
void arm11_run_instr_data_to_core_via_r0 (arm11_common_t * arm11, u32 opcode, u32 data);
-int arm11_add_dr_scan_vc(int num_fields, scan_field_t *fields, enum tap_state state);
-int arm11_add_ir_scan_vc(int num_fields, scan_field_t *fields, enum tap_state state);
+int arm11_add_dr_scan_vc(int num_fields, scan_field_t *fields, tap_state_t state);
+int arm11_add_ir_scan_vc(int num_fields, scan_field_t *fields, tap_state_t state);
/** Used to make a list of read/write commands for scan chain 7
*
#define JTAG_DEBUG(expr ...) do {} while(0)
#endif
-enum tap_state arm11_move_pi_to_si_via_ci[] =
+tap_state_t arm11_move_pi_to_si_via_ci[] =
{
TAP_IREXIT2, TAP_IRUPDATE, TAP_DRSELECT, TAP_IRSELECT, TAP_IRCAPTURE, TAP_IRSHIFT
};
-int arm11_add_ir_scan_vc(int num_fields, scan_field_t *fields, enum tap_state state)
+int arm11_add_ir_scan_vc(int num_fields, scan_field_t *fields, tap_state_t state)
{
if (cmd_queue_cur_state == TAP_IRPAUSE)
jtag_add_pathmove(asizeof(arm11_move_pi_to_si_via_ci), arm11_move_pi_to_si_via_ci);
return ERROR_OK;
}
-enum tap_state arm11_move_pd_to_sd_via_cd[] =
+tap_state_t arm11_move_pd_to_sd_via_cd[] =
{
TAP_DREXIT2, TAP_DRUPDATE, TAP_DRSELECT, TAP_DRCAPTURE, TAP_DRSHIFT
};
-int arm11_add_dr_scan_vc(int num_fields, scan_field_t *fields, enum tap_state state)
+int arm11_add_dr_scan_vc(int num_fields, scan_field_t *fields, tap_state_t state)
{
if (cmd_queue_cur_state == TAP_DRPAUSE)
jtag_add_pathmove(asizeof(arm11_move_pd_to_sd_via_cd), arm11_move_pd_to_sd_via_cd);
*
* \remarks This adds to the JTAG command queue but does \em not execute it.
*/
-void arm11_add_IR(arm11_common_t * arm11, u8 instr, enum tap_state state)
+void arm11_add_IR(arm11_common_t * arm11, u8 instr, tap_state_t state)
{
jtag_tap_t *tap;
tap = arm11->jtag_info.tap;
* \remarks This adds to the JTAG command queue but does \em not execute it.
*/
-void arm11_add_debug_SCAN_N(arm11_common_t * arm11, u8 chain, enum tap_state state)
+void arm11_add_debug_SCAN_N(arm11_common_t * arm11, u8 chain, tap_state_t state)
{
JTAG_DEBUG("SCREG <= 0x%02x", chain);
*
* \remarks This adds to the JTAG command queue but does \em not execute it.
*/
-void arm11_add_debug_INST(arm11_common_t * arm11, u32 inst, u8 * flag, enum tap_state state)
+void arm11_add_debug_INST(arm11_common_t * arm11, u32 inst, u8 * flag, tap_state_t state)
{
JTAG_DEBUG("INST <= 0x%08x", inst);
* the core but still shorter than any manually inducible delays.
*
*/
-enum tap_state arm11_MOVE_DRPAUSE_IDLE_DRPAUSE_with_delay[] =
+tap_state_t arm11_MOVE_DRPAUSE_IDLE_DRPAUSE_with_delay[] =
{
TAP_DREXIT2, TAP_DRUPDATE, TAP_IDLE, TAP_IDLE, TAP_IDLE, TAP_DRSELECT, TAP_DRCAPTURE, TAP_DRSHIFT
};
armv4_5_common_t *armv4_5 = target->arch_info;
xscale_common_t *xscale = armv4_5->arch_info;
- enum tap_state path[3];
+ tap_state_t path[3];
scan_field_t fields[3];
u8 *field0 = malloc(num_words * 1);
{
armv4_5_common_t *armv4_5 = target->arch_info;
xscale_common_t *xscale = armv4_5->arch_info;
- enum tap_state path[3];
- enum tap_state noconsume_path[6];
+ tap_state_t path[3];
+ tap_state_t noconsume_path[6];
int retval;
struct timeval timeout, now;
static int xsvf_fd = 0;
-/* map xsvf tap state to an openocd "enum tap_state" */
+/* map xsvf tap state to an openocd "tap_state_t" */
static tap_state_t xsvf_to_tap( int xsvf_state )
{
tap_state_t ret;
tap_state_t curstate = cmd_queue_cur_state;
int i;
- u8 move = TAP_MOVE(cmd_queue_cur_state, state);
+ u8 move = tap_get_tms_path(cmd_queue_cur_state, state);
if (state != TAP_RESET && state==cmd_queue_cur_state)
return;
int j = (move >> i) & 1;
if (j)
{
- curstate = tap_transitions[curstate].high;
+ curstate = tap_state_transition(curstate, TRUE);
}
else
{
- curstate = tap_transitions[curstate].low;
+ curstate = tap_state_transition(curstate, FALSE);
}
moves[i] = curstate;
}
mystate = xsvf_to_tap(uc);
- LOG_DEBUG("XSTATE %02X %s", uc, jtag_state_name(mystate) );
+ LOG_DEBUG("XSTATE %02X %s", uc, tap_state_name(mystate) );
path[(*path_len)++] = mystate;
}
mystate = xsvf_to_tap(uc);
- LOG_DEBUG("XSTATE 0x%02X %s", uc, jtag_state_name(mystate) );
+ LOG_DEBUG("XSTATE 0x%02X %s", uc, tap_state_name(mystate) );
path = calloc(XSTATE_MAX_PATH, 4);
path_len = 1;
/* see page 22 of XSVF spec */
mystate = uc == 1 ? TAP_IRPAUSE : TAP_IDLE;
- LOG_DEBUG("XENDIR 0x%02X %s", uc, jtag_state_name(mystate));
+ LOG_DEBUG("XENDIR 0x%02X %s", uc, tap_state_name(mystate));
/* assuming that the XRUNTEST comes from SVF RUNTEST, then only these states
* should come here because the SVF spec only allows these with a RUNTEST
*/
if (mystate != TAP_IRPAUSE && mystate != TAP_DRPAUSE && mystate != TAP_RESET && mystate != TAP_IDLE )
{
- LOG_ERROR("illegal XENDIR endstate: \"%s\"", jtag_state_name(mystate));
+ LOG_ERROR("illegal XENDIR endstate: \"%s\"", tap_state_name(mystate));
unsupported = 1;
break;
}
/* see page 22 of XSVF spec */
mystate = uc == 1 ? TAP_DRPAUSE : TAP_IDLE;
- LOG_DEBUG("XENDDR %02X %s", uc, jtag_state_name(mystate));
+ LOG_DEBUG("XENDDR %02X %s", uc, tap_state_name(mystate));
if (mystate != TAP_IRPAUSE && mystate != TAP_DRPAUSE && mystate != TAP_RESET && mystate != TAP_IDLE )
{
- LOG_ERROR("illegal XENDDR endstate: \"%s\"", jtag_state_name( mystate ));
+ LOG_ERROR("illegal XENDDR endstate: \"%s\"", tap_state_name( mystate ));
unsupported = 1;
break;
}
end_state = xsvf_to_tap(end);
delay = be_to_h_u32(delay_buf);
- LOG_DEBUG("XWAIT %s %s usecs:%d", jtag_state_name(wait_state), jtag_state_name(end_state), delay);
+ LOG_DEBUG("XWAIT %s %s usecs:%d", tap_state_name(wait_state), tap_state_name(end_state), delay);
if (runtest_requires_tck && wait_state == TAP_IDLE )
{
usecs = be_to_h_u32(usecs_buf);
LOG_DEBUG("XWAITSTATE %s %s clocks:%i usecs:%i",
- jtag_state_name(wait_state),
- jtag_state_name(end_state),
+ tap_state_name(wait_state),
+ tap_state_name(end_state),
clock_count, usecs);
/* the following states are 'stable', meaning that they have a transition
*/
if (wait_state != TAP_IRPAUSE && wait_state != TAP_DRPAUSE && wait_state != TAP_RESET && wait_state != TAP_IDLE)
{
- LOG_ERROR("illegal XWAITSTATE wait_state: \"%s\"", jtag_state_name( wait_state ));
+ LOG_ERROR("illegal XWAITSTATE wait_state: \"%s\"", tap_state_name( wait_state ));
unsupported = 1;
}
loop_clocks = be_to_h_u32(clock_buf);
loop_usecs = be_to_h_u32(usecs_buf);
- LOG_DEBUG("LDELAY %s clocks:%d usecs:%d", jtag_state_name(loop_state), loop_clocks, loop_usecs);
+ LOG_DEBUG("LDELAY %s clocks:%d usecs:%d", tap_state_name(loop_state), loop_clocks, loop_usecs);
}
break;
nextTok()
if tokVal != ';':
raise ParseError( tokLn, tokVal, "Expecting ';' after TRST trst_mode")
+ if doCOMMENTs:
+ writeComment( output, tokLn, 'TRST %s' % trst_mode )
obuf = bytearray( 2 )
obuf[0] = XTRST
obuf[1] = trst_mode_allowed.index( trst_mode ) # use the index as the binary argument to XTRST opcode
projects / openocd / commitdiff