1 /***************************************************************************
2 * Copyright (C) 2009 by Simon Qian *
3 * SimonQian@SimonQian.com *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) any later version. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19 ***************************************************************************/
22 /* The specification for SVF is available here:
23 * http://www.asset-intertech.com/support/svf.pdf
24 * Below, this document is refered to as the "SVF spec".
26 * The specification for XSVF is available here:
27 * http://www.xilinx.com/support/documentation/application_notes/xapp503.pdf
28 * Below, this document is refered to as the "XSVF spec".
37 #include "time_support.h"
59 const char *svf_command_name[14] =
85 const char *svf_trst_mode_name[4] =
93 char *svf_tap_state_name[TAP_NUM_STATES];
95 #define XXR_TDI (1 << 0)
96 #define XXR_TDO (1 << 1)
97 #define XXR_MASK (1 << 2)
98 #define XXR_SMASK (1 << 3)
112 tap_state_t ir_end_state;
113 tap_state_t dr_end_state;
114 tap_state_t runtest_run_state;
115 tap_state_t runtest_end_state;
116 trst_mode_t trst_mode;
118 svf_xxr_para_t hir_para;
119 svf_xxr_para_t hdr_para;
120 svf_xxr_para_t tir_para;
121 svf_xxr_para_t tdr_para;
122 svf_xxr_para_t sir_para;
123 svf_xxr_para_t sdr_para;
127 const svf_para_t svf_para_init =
129 // frequency, ir_end_state, dr_end_state, runtest_run_state, runtest_end_state, trst_mode
130 0, TAP_IDLE, TAP_IDLE, TAP_IDLE, TAP_IDLE, TRST_Z,
132 // {len, data_mask, tdi, tdo, mask, smask},
133 {0, 0, NULL, NULL, NULL, NULL},
135 // {len, data_mask, tdi, tdo, mask, smask},
136 {0, 0, NULL, NULL, NULL, NULL},
138 // {len, data_mask, tdi, tdo, mask, smask},
139 {0, 0, NULL, NULL, NULL, NULL},
141 // {len, data_mask, tdi, tdo, mask, smask},
142 {0, 0, NULL, NULL, NULL, NULL},
144 // {len, data_mask, tdi, tdo, mask, smask},
145 {0, 0, NULL, NULL, NULL, NULL},
147 // {len, data_mask, tdi, tdo, mask, smask},
148 {0, 0, NULL, NULL, NULL, NULL},
153 int line_num; // used to record line number of the check operation
154 // so more information could be printed
155 int enabled; // check is enabled or not
156 int buffer_offset; // buffer_offset to buffers
157 int bit_len; // bit length to check
158 }svf_check_tdo_para_t;
160 #define SVF_CHECK_TDO_PARA_SIZE 1024
161 static svf_check_tdo_para_t *svf_check_tdo_para = NULL;
162 static int svf_check_tdo_para_index = 0;
164 #define dimof(a) (sizeof(a) / sizeof((a)[0]))
166 static int svf_read_command_from_file(int fd);
167 static int svf_check_tdo(void);
168 static int svf_add_check_para(u8 enabled, int buffer_offset, int bit_len);
169 static int svf_run_command(struct command_context_s *cmd_ctx, char *cmd_str);
170 static int handle_svf_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
172 static int svf_fd = 0;
173 static char *svf_command_buffer = NULL;
174 static int svf_command_buffer_size = 0;
175 static int svf_line_number = 1;
177 static jtag_tap_t *tap = NULL;
178 static tap_state_t last_state = TAP_RESET;
180 #define SVF_MAX_BUFFER_SIZE_TO_COMMIT (4 * 1024)
181 static u8 *svf_tdi_buffer = NULL, *svf_tdo_buffer = NULL, *svf_mask_buffer = NULL;
182 static int svf_buffer_index = 0, svf_buffer_size = 0;
183 static int svf_quiet = 0;
186 int svf_register_commands(struct command_context_s *cmd_ctx)
188 register_command(cmd_ctx, NULL, "svf", handle_svf_command,
189 COMMAND_EXEC, "run svf <file>");
194 void svf_free_xxd_para(svf_xxr_para_t *para)
198 if (para->tdi != NULL)
203 if (para->tdo != NULL)
208 if (para->mask != NULL)
213 if (para->smask != NULL)
221 unsigned svf_get_mask_u32(int bitlen)
229 else if (bitlen >= 32)
231 bitmask = 0xFFFFFFFF;
235 bitmask = (1 << bitlen) - 1;
241 static const char* tap_state_svf_name(tap_state_t state)
247 case TAP_RESET: ret = "RESET"; break;
248 case TAP_IDLE: ret = "IDLE"; break;
249 case TAP_DRSELECT: ret = "DRSELECT"; break;
250 case TAP_DRCAPTURE: ret = "DRCAPTURE"; break;
251 case TAP_DRSHIFT: ret = "DRSHIFT"; break;
252 case TAP_DREXIT1: ret = "DREXIT1"; break;
253 case TAP_DRPAUSE: ret = "DRPAUSE"; break;
254 case TAP_DREXIT2: ret = "DREXIT2"; break;
255 case TAP_DRUPDATE: ret = "DRUPDATE"; break;
256 case TAP_IRSELECT: ret = "IRSELECT"; break;
257 case TAP_IRCAPTURE: ret = "IRCAPTURE"; break;
258 case TAP_IRSHIFT: ret = "IRSHIFT"; break;
259 case TAP_IREXIT1: ret = "IREXIT1"; break;
260 case TAP_IRPAUSE: ret = "IRPAUSE"; break;
261 case TAP_IREXIT2: ret = "IREXIT2"; break;
262 case TAP_IRUPDATE: ret = "IRUPDATE"; break;
263 default: ret = "???"; break;
269 static int handle_svf_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
271 #define SVF_NUM_OF_OPTIONS 1
272 int command_num = 0, i;
276 if ((argc < 1) || (argc > (1 + SVF_NUM_OF_OPTIONS)))
278 command_print(cmd_ctx, "usage: svf <file> [quiet]");
284 for (i = 1; i < argc; i++)
286 if (!strcmp(args[i], "quiet"))
292 LOG_ERROR("unknown variant for svf: %s", args[i]);
294 // no need to free anything now
299 if ((svf_fd = open(args[0], O_RDONLY)) < 0)
301 command_print(cmd_ctx, "file \"%s\" not found", args[0]);
303 // no need to free anything now
307 LOG_USER("svf processing file: \"%s\"", args[0]);
310 time_ago = timeval_ms();
314 svf_command_buffer_size = 0;
316 svf_check_tdo_para_index = 0;
317 svf_check_tdo_para = malloc(sizeof(svf_check_tdo_para_t) * SVF_CHECK_TDO_PARA_SIZE);
318 if (NULL == svf_check_tdo_para)
320 LOG_ERROR("not enough memory");
325 svf_buffer_index = 0;
326 // double the buffer size
327 // in case current command cannot be commited, and next command is a bit scan command
328 // here is 32K bits for this big scan command, it should be enough
329 // buffer will be reallocated if buffer size is not enough
330 svf_tdi_buffer = (u8 *)malloc(2 * SVF_MAX_BUFFER_SIZE_TO_COMMIT);
331 if (NULL == svf_tdi_buffer)
333 LOG_ERROR("not enough memory");
337 svf_tdo_buffer = (u8 *)malloc(2 * SVF_MAX_BUFFER_SIZE_TO_COMMIT);
338 if (NULL == svf_tdo_buffer)
340 LOG_ERROR("not enough memory");
344 svf_mask_buffer = (u8 *)malloc(2 * SVF_MAX_BUFFER_SIZE_TO_COMMIT);
345 if (NULL == svf_mask_buffer)
347 LOG_ERROR("not enough memory");
351 svf_buffer_size = 2 * SVF_MAX_BUFFER_SIZE_TO_COMMIT;
353 memcpy(&svf_para, &svf_para_init, sizeof(svf_para));
354 for (i = 0; i < (int)dimof(svf_tap_state_name); i++)
356 svf_tap_state_name[i] = (char *)tap_state_svf_name(i);
361 while ( ERROR_OK == svf_read_command_from_file(svf_fd) )
363 if (ERROR_OK != svf_run_command(cmd_ctx, svf_command_buffer))
365 LOG_ERROR("fail to run command at line %d", svf_line_number);
371 if (ERROR_OK != jtag_execute_queue())
375 else if (ERROR_OK != svf_check_tdo())
381 command_print(cmd_ctx, "%lld ms used", timeval_ms() - time_ago);
389 if (svf_command_buffer)
391 free(svf_command_buffer);
392 svf_command_buffer = NULL;
393 svf_command_buffer_size = 0;
395 if (svf_check_tdo_para)
397 free(svf_check_tdo_para);
398 svf_check_tdo_para = NULL;
399 svf_check_tdo_para_index = 0;
403 free(svf_tdi_buffer);
404 svf_tdi_buffer = NULL;
408 free(svf_tdo_buffer);
409 svf_tdo_buffer = NULL;
413 free(svf_mask_buffer);
414 svf_mask_buffer = NULL;
416 svf_buffer_index = 0;
419 svf_free_xxd_para(&svf_para.hdr_para);
420 svf_free_xxd_para(&svf_para.hir_para);
421 svf_free_xxd_para(&svf_para.tdr_para);
422 svf_free_xxd_para(&svf_para.tir_para);
423 svf_free_xxd_para(&svf_para.sdr_para);
424 svf_free_xxd_para(&svf_para.sir_para);
428 command_print(cmd_ctx, "svf file programmed successfully for %d commands", command_num);
432 command_print(cmd_ctx, "svf file programmed failed");
438 #define SVFP_CMD_INC_CNT 1024
439 static int svf_read_command_from_file(int fd)
441 char ch, *tmp_buffer = NULL;
442 int cmd_pos = 0, cmd_ok = 0, slash = 0, comment = 0;
444 while (!cmd_ok && (read(fd, &ch, 1) > 0) )
474 if (cmd_pos >= svf_command_buffer_size - 1)
476 tmp_buffer = (char*)malloc(svf_command_buffer_size + SVFP_CMD_INC_CNT); // 1 more byte for '\0'
477 if (NULL == tmp_buffer)
479 LOG_ERROR("not enough memory");
482 if (svf_command_buffer_size > 0)
484 memcpy(tmp_buffer, svf_command_buffer, svf_command_buffer_size);
486 if (svf_command_buffer != NULL)
488 free(svf_command_buffer);
490 svf_command_buffer = tmp_buffer;
491 svf_command_buffer_size += SVFP_CMD_INC_CNT;
494 svf_command_buffer[cmd_pos++] = (char)toupper(ch);
502 svf_command_buffer[cmd_pos] = '\0';
511 static int svf_parse_cmd_string(char *str, int len, char **argus, int *num_of_argu)
513 int pos = 0, num = 0, space_found = 1;
523 LOG_ERROR("fail to parse svf command");
533 argus[num++] = &str[pos];
546 static int svf_tap_state_is_stable(tap_state_t state)
548 return ((TAP_RESET == state) || (TAP_IDLE == state) || (TAP_DRPAUSE == state) || (TAP_IRPAUSE == state));
551 static int svf_tap_state_is_valid(tap_state_t state)
553 return state >= 0 && state < TAP_NUM_STATES;
556 static int svf_find_string_in_array(char *str, char **strs, int num_of_element)
560 for (i = 0; i < num_of_element; i++)
562 if (!strcmp(str, strs[i]))
570 static int svf_adjust_array_length(u8 **arr, int orig_bit_len, int new_bit_len)
572 int new_byte_len = (new_bit_len + 7) >> 3;
574 if ((NULL == *arr) || (((orig_bit_len + 7) >> 3) < ((new_bit_len + 7) >> 3)))
581 *arr = (u8*)malloc(new_byte_len);
584 LOG_ERROR("not enough memory");
587 memset(*arr, 0, new_byte_len);
592 static int svf_copy_hexstring_to_binary(char *str, u8 **bin, int orig_bit_len, int bit_len)
594 int i, str_len = strlen(str), str_byte_len = (bit_len + 3) >> 2, loop_cnt;
595 u8 ch, need_write = 1;
597 if (ERROR_OK != svf_adjust_array_length(bin, orig_bit_len, bit_len))
599 LOG_ERROR("fail to adjust length of array");
603 if (str_byte_len > str_len)
605 loop_cnt = str_byte_len;
612 for (i = 0; i < loop_cnt; i++)
616 ch = str[str_len - i - 1];
617 if ((ch >= '0') && (ch <= '9'))
621 else if ((ch >= 'A') && (ch <= 'F'))
627 LOG_ERROR("invalid hex string");
637 if (i >= str_byte_len)
639 // all data written, other data should be all '0's and needn't to be written
643 LOG_ERROR("value execede length");
647 else if (i == (str_byte_len - 1))
649 // last data byte, written if valid
650 if ((ch & ~((1 << (bit_len - 4 * i)) - 1)) != 0)
652 LOG_ERROR("value execede length");
663 (*bin)[i / 2] |= ch << 4;
677 static int svf_check_tdo(void)
681 for (i = 0; i < svf_check_tdo_para_index; i++)
683 index = svf_check_tdo_para[i].buffer_offset;
684 len = svf_check_tdo_para[i].bit_len;
685 if ((svf_check_tdo_para[i].enabled)
686 && buf_cmp_mask(&svf_tdi_buffer[index], &svf_tdo_buffer[index], &svf_mask_buffer[index], len))
689 unsigned received, expected, tapmask;
690 bitmask = svf_get_mask_u32(svf_check_tdo_para[i].bit_len);
692 memcpy(&received, svf_tdi_buffer + index, sizeof(unsigned));
693 memcpy(&expected, svf_tdo_buffer + index, sizeof(unsigned));
694 memcpy(&tapmask, svf_mask_buffer + index, sizeof(unsigned));
695 LOG_ERROR("tdo check error at line %d",
696 svf_check_tdo_para[i].line_num);
697 LOG_ERROR("read = 0x%X, want = 0x%X, mask = 0x%X",
704 svf_check_tdo_para_index = 0;
709 static int svf_add_check_para(u8 enabled, int buffer_offset, int bit_len)
711 if (svf_check_tdo_para_index >= SVF_CHECK_TDO_PARA_SIZE)
713 LOG_ERROR("toooooo many operation undone");
717 svf_check_tdo_para[svf_check_tdo_para_index].line_num = svf_line_number;
718 svf_check_tdo_para[svf_check_tdo_para_index].bit_len = bit_len;
719 svf_check_tdo_para[svf_check_tdo_para_index].enabled = enabled;
720 svf_check_tdo_para[svf_check_tdo_para_index].buffer_offset = buffer_offset;
721 svf_check_tdo_para_index++;
726 static int svf_execute_tap(void)
728 if (ERROR_OK != jtag_execute_queue())
732 else if (ERROR_OK != svf_check_tdo())
737 svf_buffer_index = 0;
742 // not good to use this
743 extern void* cmd_queue_alloc(size_t size);
744 extern void jtag_queue_command(jtag_command_t * cmd);
746 static int svf_run_command(struct command_context_s *cmd_ctx, char *cmd_str)
748 char *argus[256], command;
749 int num_of_argu = 0, i;
756 float min_time, max_time;
758 svf_xxr_para_t *xxr_para_tmp;
762 tap_state_t *path = NULL, state;
766 LOG_USER("%s", svf_command_buffer);
769 if (ERROR_OK != svf_parse_cmd_string(cmd_str, strlen(cmd_str), argus, &num_of_argu))
774 command = svf_find_string_in_array(argus[0], (char **)svf_command_name, dimof(svf_command_name));
779 if (num_of_argu != 2)
781 LOG_ERROR("invalid parameter of %s", argus[0]);
784 i_tmp = svf_find_string_in_array(argus[1], (char **)svf_tap_state_name, dimof(svf_tap_state_name));
785 if (svf_tap_state_is_stable(i_tmp))
787 if (command == ENDIR)
789 svf_para.ir_end_state = i_tmp;
790 LOG_DEBUG("\tir_end_state = %s", svf_tap_state_name[svf_para.ir_end_state]);
794 svf_para.dr_end_state = i_tmp;
795 LOG_DEBUG("\tdr_end_state = %s", svf_tap_state_name[svf_para.dr_end_state]);
800 LOG_ERROR("%s is not valid state", argus[1]);
805 if ((num_of_argu != 1) && (num_of_argu != 3))
807 LOG_ERROR("invalid parameter of %s", argus[0]);
810 if (1 == num_of_argu)
812 // TODO: set jtag speed to full speed
813 svf_para.frequency = 0;
817 if (strcmp(argus[2], "HZ"))
819 LOG_ERROR("HZ not found in FREQUENCY command");
822 if (ERROR_OK != svf_execute_tap())
826 svf_para.frequency = atof(argus[1]);
827 // TODO: set jtag speed to
828 if (svf_para.frequency > 0)
830 command_run_linef(cmd_ctx, "jtag_khz %d", (int)svf_para.frequency / 1000);
831 LOG_DEBUG("\tfrequency = %f", svf_para.frequency);
836 xxr_para_tmp = &svf_para.hdr_para;
839 xxr_para_tmp = &svf_para.hir_para;
842 xxr_para_tmp = &svf_para.tdr_para;
845 xxr_para_tmp = &svf_para.tir_para;
848 xxr_para_tmp = &svf_para.sdr_para;
851 xxr_para_tmp = &svf_para.sir_para;
854 // XXR length [TDI (tdi)] [TDO (tdo)][MASK (mask)] [SMASK (smask)]
855 if ((num_of_argu > 10) || (num_of_argu % 2))
857 LOG_ERROR("invalid parameter of %s", argus[0]);
860 i_tmp = xxr_para_tmp->len;
861 xxr_para_tmp->len = atoi(argus[1]);
862 LOG_DEBUG("\tlength = %d", xxr_para_tmp->len);
863 xxr_para_tmp->data_mask = 0;
864 for (i = 2; i < num_of_argu; i += 2)
866 if ((strlen(argus[i + 1]) < 3) || (argus[i + 1][0] != '(') || (argus[i + 1][strlen(argus[i + 1]) - 1] != ')'))
868 LOG_ERROR("data section error");
871 argus[i + 1][strlen(argus[i + 1]) - 1] = '\0';
872 // TDI, TDO, MASK, SMASK
873 if (!strcmp(argus[i], "TDI"))
876 pbuffer_tmp = &xxr_para_tmp->tdi;
877 xxr_para_tmp->data_mask |= XXR_TDI;
879 else if (!strcmp(argus[i], "TDO"))
882 pbuffer_tmp = &xxr_para_tmp->tdo;
883 xxr_para_tmp->data_mask |= XXR_TDO;
885 else if (!strcmp(argus[i], "MASK"))
888 pbuffer_tmp = &xxr_para_tmp->mask;
889 xxr_para_tmp->data_mask |= XXR_MASK;
891 else if (!strcmp(argus[i], "SMASK"))
894 pbuffer_tmp = &xxr_para_tmp->smask;
895 xxr_para_tmp->data_mask |= XXR_SMASK;
899 LOG_ERROR("unknow parameter: %s", argus[i]);
902 if (ERROR_OK != svf_copy_hexstring_to_binary(&argus[i + 1][1], pbuffer_tmp, i_tmp, xxr_para_tmp->len))
904 LOG_ERROR("fail to parse hex value");
907 LOG_DEBUG("\t%s = 0x%X", argus[i], (**(int**)pbuffer_tmp) & svf_get_mask_u32(xxr_para_tmp->len));
909 // If a command changes the length of the last scan of the same type and the MASK parameter is absent,
910 // the mask pattern used is all cares
911 if (!(xxr_para_tmp->data_mask & XXR_MASK) && (i_tmp != xxr_para_tmp->len))
913 // MASK not defined and length changed
914 if (ERROR_OK != svf_adjust_array_length(&xxr_para_tmp->mask, i_tmp, xxr_para_tmp->len))
916 LOG_ERROR("fail to adjust length of array");
919 buf_set_ones(xxr_para_tmp->mask, xxr_para_tmp->len);
921 // do scan if necessary
924 // check buffer size first, reallocate if necessary
925 i = svf_para.hdr_para.len + svf_para.sdr_para.len + svf_para.tdr_para.len;
926 if ((svf_buffer_size - svf_buffer_index) < ((i + 7) >> 3))
929 // simply print error message
930 LOG_ERROR("buffer is not enough, report to author");
936 buffer_tmp = (u8 *)malloc(svf_buffer_index + ((i + 7) >> 3));
937 if (NULL == buffer_tmp)
939 LOG_ERROR("not enough memory");
942 memcpy(buffer_tmp, svf_tdi_buffer, svf_buffer_index);
943 // svf_tdi_buffer isn't NULL here
944 free(svf_tdi_buffer);
945 svf_tdi_buffer = buffer_tmp;
947 buffer_tmp = (u8 *)malloc(svf_buffer_index + ((i + 7) >> 3));
948 if (NULL == buffer_tmp)
950 LOG_ERROR("not enough memory");
953 memcpy(buffer_tmp, svf_tdo_buffer, svf_buffer_index);
954 // svf_tdo_buffer isn't NULL here
955 free(svf_tdo_buffer);
956 svf_tdo_buffer = buffer_tmp;
958 buffer_tmp = (u8 *)malloc(svf_buffer_index + ((i + 7) >> 3));
959 if (NULL == buffer_tmp)
961 LOG_ERROR("not enough memory");
964 memcpy(buffer_tmp, svf_mask_buffer, svf_buffer_index);
965 // svf_mask_buffer isn't NULL here
966 free(svf_mask_buffer);
967 svf_mask_buffer = buffer_tmp;
970 svf_buffer_size = svf_buffer_index + ((i + 7) >> 3);
976 buf_set_buf(svf_para.hdr_para.tdi, 0, &svf_tdi_buffer[svf_buffer_index], i, svf_para.hdr_para.len);
977 i += svf_para.hdr_para.len;
978 buf_set_buf(svf_para.sdr_para.tdi, 0, &svf_tdi_buffer[svf_buffer_index], i, svf_para.sdr_para.len);
979 i += svf_para.sdr_para.len;
980 buf_set_buf(svf_para.tdr_para.tdi, 0, &svf_tdi_buffer[svf_buffer_index], i, svf_para.tdr_para.len);
981 i += svf_para.tdr_para.len;
984 if (svf_para.sdr_para.data_mask & XXR_TDO)
986 // assemble dr mask data
988 buf_set_buf(svf_para.hdr_para.mask, 0, &svf_mask_buffer[svf_buffer_index], i, svf_para.hdr_para.len);
989 i += svf_para.hdr_para.len;
990 buf_set_buf(svf_para.sdr_para.mask, 0, &svf_mask_buffer[svf_buffer_index], i, svf_para.sdr_para.len);
991 i += svf_para.sdr_para.len;
992 buf_set_buf(svf_para.tdr_para.mask, 0, &svf_mask_buffer[svf_buffer_index], i, svf_para.tdr_para.len);
993 i += svf_para.tdr_para.len;
994 // assemble dr check data
996 buf_set_buf(svf_para.hdr_para.tdo, 0, &svf_tdo_buffer[svf_buffer_index], i, svf_para.hdr_para.len);
997 i += svf_para.hdr_para.len;
998 buf_set_buf(svf_para.sdr_para.tdo, 0, &svf_tdo_buffer[svf_buffer_index], i, svf_para.sdr_para.len);
999 i += svf_para.sdr_para.len;
1000 buf_set_buf(svf_para.tdr_para.tdo, 0, &svf_tdo_buffer[svf_buffer_index], i, svf_para.tdr_para.len);
1001 i += svf_para.tdr_para.len;
1003 svf_add_check_para(1, svf_buffer_index, i);
1007 svf_add_check_para(0, svf_buffer_index, i);
1011 field.out_value = &svf_tdi_buffer[svf_buffer_index];
1013 field.in_value = &svf_tdi_buffer[svf_buffer_index];
1018 jtag_add_plain_dr_scan(1, &field, svf_para.dr_end_state);
1020 svf_buffer_index += (i + 7) >> 3;
1021 last_state = svf_para.dr_end_state;
1023 else if (SIR == command)
1025 // check buffer size first, reallocate if necessary
1026 i = svf_para.hir_para.len + svf_para.sir_para.len + svf_para.tir_para.len;
1027 if ((svf_buffer_size - svf_buffer_index) < ((i + 7) >> 3))
1030 // simply print error message
1031 LOG_ERROR("buffer is not enough, report to author");
1036 // reallocate buffer
1037 buffer_tmp = (u8 *)malloc(svf_buffer_index + ((i + 7) >> 3));
1038 if (NULL == buffer_tmp)
1040 LOG_ERROR("not enough memory");
1043 memcpy(buffer_tmp, svf_tdi_buffer, svf_buffer_index);
1044 // svf_tdi_buffer isn't NULL here
1045 free(svf_tdi_buffer);
1046 svf_tdi_buffer = buffer_tmp;
1048 buffer_tmp = (u8 *)malloc(svf_buffer_index + ((i + 7) >> 3));
1049 if (NULL == buffer_tmp)
1051 LOG_ERROR("not enough memory");
1054 memcpy(buffer_tmp, svf_tdo_buffer, svf_buffer_index);
1055 // svf_tdo_buffer isn't NULL here
1056 free(svf_tdo_buffer);
1057 svf_tdo_buffer = buffer_tmp;
1059 buffer_tmp = (u8 *)malloc(svf_buffer_index + ((i + 7) >> 3));
1060 if (NULL == buffer_tmp)
1062 LOG_ERROR("not enough memory");
1065 memcpy(buffer_tmp, svf_mask_buffer, svf_buffer_index);
1066 // svf_mask_buffer isn't NULL here
1067 free(svf_mask_buffer);
1068 svf_mask_buffer = buffer_tmp;
1071 svf_buffer_size = svf_buffer_index + ((i + 7) >> 3);
1077 buf_set_buf(svf_para.hir_para.tdi, 0, &svf_tdi_buffer[svf_buffer_index], i, svf_para.hir_para.len);
1078 i += svf_para.hir_para.len;
1079 buf_set_buf(svf_para.sir_para.tdi, 0, &svf_tdi_buffer[svf_buffer_index], i, svf_para.sir_para.len);
1080 i += svf_para.sir_para.len;
1081 buf_set_buf(svf_para.tir_para.tdi, 0, &svf_tdi_buffer[svf_buffer_index], i, svf_para.tir_para.len);
1082 i += svf_para.tir_para.len;
1085 if (svf_para.sir_para.data_mask & XXR_TDO)
1087 // assemble dr mask data
1089 buf_set_buf(svf_para.hir_para.mask, 0, &svf_mask_buffer[svf_buffer_index], i, svf_para.hir_para.len);
1090 i += svf_para.hir_para.len;
1091 buf_set_buf(svf_para.sir_para.mask, 0, &svf_mask_buffer[svf_buffer_index], i, svf_para.sir_para.len);
1092 i += svf_para.sir_para.len;
1093 buf_set_buf(svf_para.tir_para.mask, 0, &svf_mask_buffer[svf_buffer_index], i, svf_para.tir_para.len);
1094 i += svf_para.tir_para.len;
1095 // assemble dr check data
1097 buf_set_buf(svf_para.hir_para.tdo, 0, &svf_tdo_buffer[svf_buffer_index], i, svf_para.hir_para.len);
1098 i += svf_para.hir_para.len;
1099 buf_set_buf(svf_para.sir_para.tdo, 0, &svf_tdo_buffer[svf_buffer_index], i, svf_para.sir_para.len);
1100 i += svf_para.sir_para.len;
1101 buf_set_buf(svf_para.tir_para.tdo, 0, &svf_tdo_buffer[svf_buffer_index], i, svf_para.tir_para.len);
1102 i += svf_para.tir_para.len;
1104 svf_add_check_para(1, svf_buffer_index, i);
1108 svf_add_check_para(0, svf_buffer_index, i);
1112 field.out_value = &svf_tdi_buffer[svf_buffer_index];
1114 field.in_value = &svf_tdi_buffer[svf_buffer_index];
1119 jtag_add_plain_ir_scan(1, &field, svf_para.ir_end_state);
1121 svf_buffer_index += (i + 7) >> 3;
1122 last_state = svf_para.ir_end_state;
1127 LOG_ERROR("PIO and PIOMAP are not supported");
1131 // RUNTEST [run_state] run_count run_clk [min_time SEC [MAXIMUM max_time SEC]] [ENDSTATE end_state]
1132 // RUNTEST [run_state] min_time SEC [MAXIMUM max_time SEC] [ENDSTATE end_state]
1133 if ((num_of_argu < 3) && (num_of_argu > 11))
1135 LOG_ERROR("invalid parameter of %s", argus[0]);
1144 i_tmp = svf_find_string_in_array(argus[i], (char **)svf_tap_state_name, dimof(svf_tap_state_name));
1145 if (svf_tap_state_is_valid(i_tmp))
1147 if (svf_tap_state_is_stable(i_tmp))
1149 svf_para.runtest_run_state = i_tmp;
1151 // When a run_state is specified, the new run_state becomes the default end_state
1152 svf_para.runtest_end_state = i_tmp;
1153 LOG_DEBUG("\trun_state = %s", svf_tap_state_name[svf_para.runtest_run_state]);
1158 LOG_ERROR("%s is not valid state", svf_tap_state_name[i_tmp]);
1162 // run_count run_clk
1163 if (((i + 2) <= num_of_argu) && strcmp(argus[i + 1], "SEC"))
1165 if (!strcmp(argus[i + 1], "TCK"))
1167 // clock source is TCK
1168 run_count = atoi(argus[i]);
1169 LOG_DEBUG("\trun_count@TCK = %d", run_count);
1173 LOG_ERROR("%s not supported for clock", argus[i + 1]);
1179 if (((i + 2) <= num_of_argu) && !strcmp(argus[i + 1], "SEC"))
1181 min_time = atof(argus[i]);
1182 LOG_DEBUG("\tmin_time = %fs", min_time);
1185 // MAXIMUM max_time SEC
1186 if (((i + 3) <= num_of_argu) && !strcmp(argus[i], "MAXIMUM") && !strcmp(argus[i + 2], "SEC"))
1188 max_time = atof(argus[i + 1]);
1189 LOG_DEBUG("\tmax_time = %fs", max_time);
1192 // ENDSTATE end_state
1193 if (((i + 2) <= num_of_argu) && !strcmp(argus[i], "ENDSTATE"))
1195 i_tmp = svf_find_string_in_array(argus[i + 1], (char **)svf_tap_state_name, dimof(svf_tap_state_name));
1196 if (svf_tap_state_is_stable(i_tmp))
1198 svf_para.runtest_end_state = i_tmp;
1199 LOG_DEBUG("\tend_state = %s", svf_tap_state_name[svf_para.runtest_end_state]);
1203 LOG_ERROR("%s is not valid state", svf_tap_state_name[i_tmp]);
1208 // calculate run_count
1209 if ((0 == run_count) && (min_time > 0))
1211 run_count = min_time * svf_para.frequency;
1213 // all parameter should be parsed
1214 if (i == num_of_argu)
1218 // run_state and end_state is checked to be stable state
1221 // enter into run_state if necessary
1222 if (last_state != svf_para.runtest_run_state)
1224 jtag_command_t * cmd = cmd_queue_alloc(sizeof(jtag_command_t));
1226 jtag_queue_command(cmd);
1228 cmd->type = JTAG_STATEMOVE;
1229 cmd->cmd.statemove = cmd_queue_alloc(sizeof(statemove_command_t));
1230 cmd->cmd.statemove->end_state = svf_para.runtest_run_state;
1232 cmd_queue_end_state = cmd_queue_cur_state = cmd->cmd.statemove->end_state;
1235 // call jtag_add_clocks
1236 jtag_add_clocks(run_count);
1238 if (svf_para.runtest_end_state != svf_para.runtest_run_state)
1240 // move to end_state
1241 jtag_command_t * cmd = cmd_queue_alloc(sizeof(jtag_command_t));
1243 jtag_queue_command(cmd);
1244 cmd->type = JTAG_STATEMOVE;
1245 cmd->cmd.statemove = cmd_queue_alloc(sizeof(statemove_command_t));
1246 cmd->cmd.statemove->end_state = svf_para.runtest_end_state;
1248 cmd_queue_end_state = cmd_queue_cur_state = cmd->cmd.statemove->end_state;
1250 last_state = svf_para.runtest_end_state;
1252 if (svf_para.runtest_run_state != TAP_IDLE)
1254 // RUNTEST can only executed in TAP_IDLE
1255 LOG_ERROR("cannot runtest in %s state", svf_tap_state_name[svf_para.runtest_run_state]);
1259 jtag_add_runtest(run_count, svf_para.runtest_end_state);
1265 LOG_ERROR("fail to parse parameter of RUNTEST, %d out of %d is parsed", i, num_of_argu);
1270 // STATE [pathstate1 [pathstate2 ...[pathstaten]]] stable_state
1271 if (num_of_argu < 2)
1273 LOG_ERROR("invalid parameter of %s", argus[0]);
1276 if (num_of_argu > 2)
1278 // STATE pathstate1 ... stable_state
1279 path = (tap_state_t *)malloc((num_of_argu - 1) * sizeof(tap_state_t));
1282 LOG_ERROR("not enough memory");
1285 num_of_argu--; // num of path
1286 i_tmp = 1; // path is from patameter 1
1287 for (i = 0; i < num_of_argu; i++)
1289 path[i] = svf_find_string_in_array(argus[i_tmp++], (char **)svf_tap_state_name, dimof(svf_tap_state_name));
1290 if (!svf_tap_state_is_valid(path[i]))
1292 LOG_ERROR("%s is not valid state", svf_tap_state_name[path[i]]);
1295 if (TAP_RESET == path[i])
1299 jtag_add_pathmove(i, path);
1302 num_of_argu -= i + 1;
1306 if (num_of_argu > 0)
1308 // execute last path if necessary
1309 if (svf_tap_state_is_stable(path[num_of_argu - 1]))
1311 // last state MUST be stable state
1312 // TODO: call path_move
1313 jtag_add_pathmove(num_of_argu, path);
1314 last_state = path[num_of_argu - 1];
1315 LOG_DEBUG("\tmove to %s by path_move", svf_tap_state_name[path[num_of_argu - 1]]);
1319 LOG_ERROR("%s is not valid state", svf_tap_state_name[path[num_of_argu - 1]]);
1323 // no need to keep this memory, in jtag_add_pathmove, path will be duplicated
1332 // STATE stable_state
1333 state = svf_find_string_in_array(argus[1], (char **)svf_tap_state_name, dimof(svf_tap_state_name));
1334 if (svf_tap_state_is_stable(state))
1336 // TODO: move to state
1337 jtag_command_t * cmd = cmd_queue_alloc(sizeof(jtag_command_t));
1339 jtag_queue_command(cmd);
1341 cmd->type = JTAG_STATEMOVE;
1342 cmd->cmd.statemove = cmd_queue_alloc(sizeof(statemove_command_t));
1343 cmd->cmd.statemove->end_state = state;
1345 cmd_queue_end_state = cmd_queue_cur_state = cmd->cmd.statemove->end_state;
1348 LOG_DEBUG("\tmove to %s by state_move", svf_tap_state_name[state]);
1352 LOG_ERROR("%s is not valid state", svf_tap_state_name[state]);
1359 if (num_of_argu != 2)
1361 LOG_ERROR("invalid parameter of %s", argus[0]);
1364 if (svf_para.trst_mode != TRST_ABSENT)
1366 if (ERROR_OK != svf_execute_tap())
1370 i_tmp = svf_find_string_in_array(argus[1], (char **)svf_trst_mode_name, dimof(svf_trst_mode_name));
1374 last_state = TAP_RESET;
1375 jtag_add_reset(1, 0);
1379 jtag_add_reset(0, 0);
1384 LOG_ERROR("unknown TRST mode: %s", argus[1]);
1387 svf_para.trst_mode = i_tmp;
1388 LOG_DEBUG("\ttrst_mode = %s", svf_trst_mode_name[svf_para.trst_mode]);
1392 LOG_ERROR("can not accpet TRST command if trst_mode is ABSENT");
1397 LOG_ERROR("invalid svf command: %s", argus[0]);
1402 if (debug_level >= LOG_LVL_DEBUG)
1404 // for convenient debugging, execute tap if possible
1405 if ((svf_buffer_index > 0) && \
1406 (((command != STATE) && (command != RUNTEST)) || \
1407 ((command == STATE) && (num_of_argu == 2))))
1409 if (ERROR_OK != svf_execute_tap())
1414 // output debug info
1415 if ((SIR == command) || (SDR == command))
1418 memcpy(&read_value, svf_tdi_buffer, sizeof(int));
1419 // in debug mode, data is from index 0
1420 int read_mask = svf_get_mask_u32(svf_check_tdo_para[0].bit_len);
1421 LOG_DEBUG("\tTDO read = 0x%X", read_value & read_mask);
1427 // for fast executing, execute tap if necessary
1428 // half of the buffer is for the next command
1429 if (((svf_buffer_index >= SVF_MAX_BUFFER_SIZE_TO_COMMIT) || (svf_check_tdo_para_index >= SVF_CHECK_TDO_PARA_SIZE / 2)) && \
1430 (((command != STATE) && (command != RUNTEST)) || \
1431 ((command == STATE) && (num_of_argu == 2))))
1433 return svf_execute_tap();