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 static int handle_svf_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
223 #define SVF_NUM_OF_OPTIONS 1
224 int command_num = 0, i;
228 if ((argc < 1) || (argc > (1 + SVF_NUM_OF_OPTIONS)))
230 command_print(cmd_ctx, "usage: svf <file> [quiet]");
236 for (i = 1; i < argc; i++)
238 if (!strcmp(args[i], "quiet"))
244 LOG_ERROR("unknown variant for svf: %s", args[i]);
246 // no need to free anything now
251 if ((svf_fd = open(args[0], O_RDONLY)) < 0)
253 command_print(cmd_ctx, "file \"%s\" not found", args[0]);
255 // no need to free anything now
259 LOG_USER("svf processing file: \"%s\"", args[0]);
262 time_ago = timeval_ms();
266 svf_command_buffer_size = 0;
268 svf_check_tdo_para_index = 0;
269 svf_check_tdo_para = malloc(sizeof(svf_check_tdo_para_t) * SVF_CHECK_TDO_PARA_SIZE);
270 if (NULL == svf_check_tdo_para)
272 LOG_ERROR("not enough memory");
277 svf_buffer_index = 0;
278 // double the buffer size
279 // in case current command cannot be commited, and next command is a bit scan command
280 // here is 32K bits for this big scan command, it should be enough
281 // buffer will be reallocated if buffer size is not enough
282 svf_tdi_buffer = (u8 *)malloc(2 * SVF_MAX_BUFFER_SIZE_TO_COMMIT);
283 if (NULL == svf_tdi_buffer)
285 LOG_ERROR("not enough memory");
289 svf_tdo_buffer = (u8 *)malloc(2 * SVF_MAX_BUFFER_SIZE_TO_COMMIT);
290 if (NULL == svf_tdo_buffer)
292 LOG_ERROR("not enough memory");
296 svf_mask_buffer = (u8 *)malloc(2 * SVF_MAX_BUFFER_SIZE_TO_COMMIT);
297 if (NULL == svf_mask_buffer)
299 LOG_ERROR("not enough memory");
303 svf_buffer_size = 2 * SVF_MAX_BUFFER_SIZE_TO_COMMIT;
305 memcpy(&svf_para, &svf_para_init, sizeof(svf_para));
306 for (i = 0; i < (int)dimof(svf_tap_state_name); i++)
308 svf_tap_state_name[i] = (char *)tap_state_name(i);
313 while ( ERROR_OK == svf_read_command_from_file(svf_fd) )
315 if (ERROR_OK != svf_run_command(cmd_ctx, svf_command_buffer))
317 LOG_ERROR("fail to run command at line %d", svf_line_number);
323 if (ERROR_OK != jtag_execute_queue())
327 else if (ERROR_OK != svf_check_tdo())
333 command_print(cmd_ctx, "%lld ms used", timeval_ms() - time_ago);
341 if (svf_command_buffer)
343 free(svf_command_buffer);
344 svf_command_buffer = NULL;
345 svf_command_buffer_size = 0;
347 if (svf_check_tdo_para)
349 free(svf_check_tdo_para);
350 svf_check_tdo_para = NULL;
351 svf_check_tdo_para_index = 0;
355 free(svf_tdi_buffer);
356 svf_tdi_buffer = NULL;
360 free(svf_tdo_buffer);
361 svf_tdo_buffer = NULL;
365 free(svf_mask_buffer);
366 svf_mask_buffer = NULL;
368 svf_buffer_index = 0;
371 svf_free_xxd_para(&svf_para.hdr_para);
372 svf_free_xxd_para(&svf_para.hir_para);
373 svf_free_xxd_para(&svf_para.tdr_para);
374 svf_free_xxd_para(&svf_para.tir_para);
375 svf_free_xxd_para(&svf_para.sdr_para);
376 svf_free_xxd_para(&svf_para.sir_para);
380 command_print(cmd_ctx, "svf file programmed successfully for %d commands", command_num);
384 command_print(cmd_ctx, "svf file programmed failed");
390 #define SVFP_CMD_INC_CNT 1024
391 static int svf_read_command_from_file(int fd)
393 char ch, *tmp_buffer = NULL;
394 int cmd_pos = 0, cmd_ok = 0, slash = 0, comment = 0;
396 while (!cmd_ok && (read(fd, &ch, 1) > 0) )
426 if (cmd_pos >= svf_command_buffer_size - 1)
428 tmp_buffer = (char*)malloc(svf_command_buffer_size + SVFP_CMD_INC_CNT); // 1 more byte for '\0'
429 if (NULL == tmp_buffer)
431 LOG_ERROR("not enough memory");
434 if (svf_command_buffer_size > 0)
436 memcpy(tmp_buffer, svf_command_buffer, svf_command_buffer_size);
438 if (svf_command_buffer != NULL)
440 free(svf_command_buffer);
442 svf_command_buffer = tmp_buffer;
443 svf_command_buffer_size += SVFP_CMD_INC_CNT;
446 svf_command_buffer[cmd_pos++] = (char)toupper(ch);
454 svf_command_buffer[cmd_pos] = '\0';
463 static int svf_parse_cmd_string(char *str, int len, char **argus, int *num_of_argu)
465 int pos = 0, num = 0, space_found = 1;
475 LOG_ERROR("fail to parse svf command");
485 argus[num++] = &str[pos];
498 static int svf_tap_state_is_stable(tap_state_t state)
500 return ((TAP_RESET == state) || (TAP_IDLE == state) || (TAP_DRPAUSE == state) || (TAP_IRPAUSE == state));
503 static int svf_tap_state_is_valid(tap_state_t state)
505 return state >= 0 && state < TAP_NUM_STATES;
508 static int svf_find_string_in_array(char *str, char **strs, int num_of_element)
512 for (i = 0; i < num_of_element; i++)
514 if (!strcmp(str, strs[i]))
522 static int svf_adjust_array_length(u8 **arr, int orig_bit_len, int new_bit_len)
524 int new_byte_len = (new_bit_len + 7) >> 3;
526 if ((NULL == *arr) || (((orig_bit_len + 7) >> 3) < ((new_bit_len + 7) >> 3)))
533 *arr = (u8*)malloc(new_byte_len);
536 LOG_ERROR("not enough memory");
539 memset(*arr, 0, new_byte_len);
544 static int svf_copy_hexstring_to_binary(char *str, u8 **bin, int orig_bit_len, int bit_len)
546 int i, str_len = strlen(str), str_byte_len = (bit_len + 3) >> 2, loop_cnt;
547 u8 ch, need_write = 1;
549 if (ERROR_OK != svf_adjust_array_length(bin, orig_bit_len, bit_len))
551 LOG_ERROR("fail to adjust length of array");
555 if (str_byte_len > str_len)
557 loop_cnt = str_byte_len;
564 for (i = 0; i < loop_cnt; i++)
568 ch = str[str_len - i - 1];
569 if ((ch >= '0') && (ch <= '9'))
573 else if ((ch >= 'A') && (ch <= 'F'))
579 LOG_ERROR("invalid hex string");
589 if (i >= str_byte_len)
591 // all data written, other data should be all '0's and needn't to be written
595 LOG_ERROR("value execede length");
599 else if (i == (str_byte_len - 1))
601 // last data byte, written if valid
602 if ((ch & ~((1 << (bit_len - 4 * i)) - 1)) != 0)
604 LOG_ERROR("value execede length");
615 (*bin)[i / 2] |= ch << 4;
629 static int svf_check_tdo(void)
633 for (i = 0; i < svf_check_tdo_para_index; i++)
635 index = svf_check_tdo_para[i].buffer_offset;
636 len = svf_check_tdo_para[i].bit_len;
637 if ((svf_check_tdo_para[i].enabled)
638 && buf_cmp_mask(&svf_tdi_buffer[index], &svf_tdo_buffer[index], &svf_mask_buffer[index], len))
641 unsigned received, expected, tapmask;
642 if (svf_check_tdo_para[i].bit_len >= 32)
644 bitmask = 0xFFFFFFFF;
648 bitmask = (1 << svf_check_tdo_para[i].bit_len) - 1;
650 memcpy(&received, svf_tdi_buffer + index, sizeof(unsigned));
651 memcpy(&expected, svf_tdo_buffer + index, sizeof(unsigned));
652 memcpy(&tapmask, svf_mask_buffer + index, sizeof(unsigned));
653 LOG_ERROR("tdo check error at line %d",
654 svf_check_tdo_para[i].line_num);
655 LOG_ERROR("read = 0x%X, want = 0x%X, mask = 0x%X",
662 svf_check_tdo_para_index = 0;
667 static int svf_add_check_para(u8 enabled, int buffer_offset, int bit_len)
669 if (svf_check_tdo_para_index >= SVF_CHECK_TDO_PARA_SIZE)
671 LOG_ERROR("toooooo many operation undone");
675 svf_check_tdo_para[svf_check_tdo_para_index].line_num = svf_line_number;
676 svf_check_tdo_para[svf_check_tdo_para_index].bit_len = bit_len;
677 svf_check_tdo_para[svf_check_tdo_para_index].enabled = enabled;
678 svf_check_tdo_para[svf_check_tdo_para_index].buffer_offset = buffer_offset;
679 svf_check_tdo_para_index++;
684 static int svf_execute_tap(void)
686 if (ERROR_OK != jtag_execute_queue())
690 else if (ERROR_OK != svf_check_tdo())
695 svf_buffer_index = 0;
700 // not good to use this
701 extern void* cmd_queue_alloc(size_t size);
702 extern void jtag_queue_command(jtag_command_t * cmd);
704 static int svf_run_command(struct command_context_s *cmd_ctx, char *cmd_str)
706 char *argus[256], command;
707 int num_of_argu = 0, i;
714 float min_time, max_time;
716 svf_xxr_para_t *xxr_para_tmp;
720 tap_state_t *path = NULL, state;
724 LOG_USER("%s", svf_command_buffer);
727 if (ERROR_OK != svf_parse_cmd_string(cmd_str, strlen(cmd_str), argus, &num_of_argu))
732 command = svf_find_string_in_array(argus[0], (char **)svf_command_name, dimof(svf_command_name));
737 if (num_of_argu != 2)
739 LOG_ERROR("invalid parameter of %s", argus[0]);
742 i_tmp = svf_find_string_in_array(argus[1], (char **)svf_tap_state_name, dimof(svf_tap_state_name));
743 if (svf_tap_state_is_stable(i_tmp))
745 if (command == ENDIR)
747 svf_para.ir_end_state = i_tmp;
748 LOG_DEBUG("\tir_end_state = %s", svf_tap_state_name[svf_para.ir_end_state]);
752 svf_para.dr_end_state = i_tmp;
753 LOG_DEBUG("\tdr_end_state = %s", svf_tap_state_name[svf_para.dr_end_state]);
758 LOG_ERROR("%s is not valid state", argus[1]);
763 if ((num_of_argu != 1) && (num_of_argu != 3))
765 LOG_ERROR("invalid parameter of %s", argus[0]);
768 if (1 == num_of_argu)
770 // TODO: set jtag speed to full speed
771 svf_para.frequency = 0;
775 if (strcmp(argus[2], "HZ"))
777 LOG_ERROR("HZ not found in FREQUENCY command");
780 if (ERROR_OK != svf_execute_tap())
784 svf_para.frequency = atof(argus[1]);
785 // TODO: set jtag speed to
786 if (svf_para.frequency > 0)
788 command_run_linef(cmd_ctx, "jtag_khz %d", (int)svf_para.frequency / 1000);
789 LOG_DEBUG("\tfrequency = %f", svf_para.frequency);
794 xxr_para_tmp = &svf_para.hdr_para;
797 xxr_para_tmp = &svf_para.hir_para;
800 xxr_para_tmp = &svf_para.tdr_para;
803 xxr_para_tmp = &svf_para.tir_para;
806 xxr_para_tmp = &svf_para.sdr_para;
809 xxr_para_tmp = &svf_para.sir_para;
812 // XXR length [TDI (tdi)] [TDO (tdo)][MASK (mask)] [SMASK (smask)]
813 if ((num_of_argu > 10) || (num_of_argu % 2))
815 LOG_ERROR("invalid parameter of %s", argus[0]);
818 i_tmp = xxr_para_tmp->len;
819 xxr_para_tmp->len = atoi(argus[1]);
820 LOG_DEBUG("\tlength = %d", xxr_para_tmp->len);
821 xxr_para_tmp->data_mask = 0;
822 for (i = 2; i < num_of_argu; i += 2)
824 if ((strlen(argus[i + 1]) < 3) || (argus[i + 1][0] != '(') || (argus[i + 1][strlen(argus[i + 1]) - 1] != ')'))
826 LOG_ERROR("data section error");
829 argus[i + 1][strlen(argus[i + 1]) - 1] = '\0';
830 // TDI, TDO, MASK, SMASK
831 if (!strcmp(argus[i], "TDI"))
834 pbuffer_tmp = &xxr_para_tmp->tdi;
835 xxr_para_tmp->data_mask |= XXR_TDI;
837 else if (!strcmp(argus[i], "TDO"))
840 pbuffer_tmp = &xxr_para_tmp->tdo;
841 xxr_para_tmp->data_mask |= XXR_TDO;
843 else if (!strcmp(argus[i], "MASK"))
846 pbuffer_tmp = &xxr_para_tmp->mask;
847 xxr_para_tmp->data_mask |= XXR_MASK;
849 else if (!strcmp(argus[i], "SMASK"))
852 pbuffer_tmp = &xxr_para_tmp->smask;
853 xxr_para_tmp->data_mask |= XXR_SMASK;
857 LOG_ERROR("unknow parameter: %s", argus[i]);
860 if (ERROR_OK != svf_copy_hexstring_to_binary(&argus[i + 1][1], pbuffer_tmp, i_tmp, xxr_para_tmp->len))
862 LOG_ERROR("fail to parse hex value");
865 LOG_DEBUG("\t%s = 0x%X", argus[i], (**(int**)pbuffer_tmp) & ((1 << (xxr_para_tmp->len)) - 1));
867 // If a command changes the length of the last scan of the same type and the MASK parameter is absent,
868 // the mask pattern used is all cares
869 if (!(xxr_para_tmp->data_mask & XXR_MASK) && (i_tmp != xxr_para_tmp->len))
871 // MASK not defined and length changed
872 if (ERROR_OK != svf_adjust_array_length(&xxr_para_tmp->mask, i_tmp, xxr_para_tmp->len))
874 LOG_ERROR("fail to adjust length of array");
877 buf_set_ones(xxr_para_tmp->mask, xxr_para_tmp->len);
879 // do scan if necessary
882 // check buffer size first, reallocate if necessary
883 i = svf_para.hdr_para.len + svf_para.sdr_para.len + svf_para.tdr_para.len;
884 if ((svf_buffer_size - svf_buffer_index) < ((i + 7) >> 3))
887 // simply print error message
888 LOG_ERROR("buffer is not enough, report to author");
894 buffer_tmp = (u8 *)malloc(svf_buffer_index + ((i + 7) >> 3));
895 if (NULL == buffer_tmp)
897 LOG_ERROR("not enough memory");
900 memcpy(buffer_tmp, svf_tdi_buffer, svf_buffer_index);
901 // svf_tdi_buffer isn't NULL here
902 free(svf_tdi_buffer);
903 svf_tdi_buffer = buffer_tmp;
905 buffer_tmp = (u8 *)malloc(svf_buffer_index + ((i + 7) >> 3));
906 if (NULL == buffer_tmp)
908 LOG_ERROR("not enough memory");
911 memcpy(buffer_tmp, svf_tdo_buffer, svf_buffer_index);
912 // svf_tdo_buffer isn't NULL here
913 free(svf_tdo_buffer);
914 svf_tdo_buffer = buffer_tmp;
916 buffer_tmp = (u8 *)malloc(svf_buffer_index + ((i + 7) >> 3));
917 if (NULL == buffer_tmp)
919 LOG_ERROR("not enough memory");
922 memcpy(buffer_tmp, svf_mask_buffer, svf_buffer_index);
923 // svf_mask_buffer isn't NULL here
924 free(svf_mask_buffer);
925 svf_mask_buffer = buffer_tmp;
928 svf_buffer_size = svf_buffer_index + ((i + 7) >> 3);
934 buf_set_buf(svf_para.hdr_para.tdi, 0, &svf_tdi_buffer[svf_buffer_index], i, svf_para.hdr_para.len);
935 i += svf_para.hdr_para.len;
936 buf_set_buf(svf_para.sdr_para.tdi, 0, &svf_tdi_buffer[svf_buffer_index], i, svf_para.sdr_para.len);
937 i += svf_para.sdr_para.len;
938 buf_set_buf(svf_para.tdr_para.tdi, 0, &svf_tdi_buffer[svf_buffer_index], i, svf_para.tdr_para.len);
939 i += svf_para.tdr_para.len;
942 if (svf_para.sdr_para.data_mask & XXR_TDO)
944 // assemble dr mask data
946 buf_set_buf(svf_para.hdr_para.mask, 0, &svf_mask_buffer[svf_buffer_index], i, svf_para.hdr_para.len);
947 i += svf_para.hdr_para.len;
948 buf_set_buf(svf_para.sdr_para.mask, 0, &svf_mask_buffer[svf_buffer_index], i, svf_para.sdr_para.len);
949 i += svf_para.sdr_para.len;
950 buf_set_buf(svf_para.tdr_para.mask, 0, &svf_mask_buffer[svf_buffer_index], i, svf_para.tdr_para.len);
951 i += svf_para.tdr_para.len;
952 // assemble dr check data
954 buf_set_buf(svf_para.hdr_para.tdo, 0, &svf_tdo_buffer[svf_buffer_index], i, svf_para.hdr_para.len);
955 i += svf_para.hdr_para.len;
956 buf_set_buf(svf_para.sdr_para.tdo, 0, &svf_tdo_buffer[svf_buffer_index], i, svf_para.sdr_para.len);
957 i += svf_para.sdr_para.len;
958 buf_set_buf(svf_para.tdr_para.tdo, 0, &svf_tdo_buffer[svf_buffer_index], i, svf_para.tdr_para.len);
959 i += svf_para.tdr_para.len;
961 svf_add_check_para(1, svf_buffer_index, i);
965 svf_add_check_para(0, svf_buffer_index, i);
969 field.out_value = &svf_tdi_buffer[svf_buffer_index];
971 field.in_value = &svf_tdi_buffer[svf_buffer_index];
976 jtag_add_plain_dr_scan(1, &field, svf_para.dr_end_state);
978 svf_buffer_index += (i + 7) >> 3;
979 last_state = svf_para.dr_end_state;
981 else if (SIR == command)
983 // check buffer size first, reallocate if necessary
984 i = svf_para.hir_para.len + svf_para.sir_para.len + svf_para.tir_para.len;
985 if ((svf_buffer_size - svf_buffer_index) < ((i + 7) >> 3))
988 // simply print error message
989 LOG_ERROR("buffer is not enough, report to author");
995 buffer_tmp = (u8 *)malloc(svf_buffer_index + ((i + 7) >> 3));
996 if (NULL == buffer_tmp)
998 LOG_ERROR("not enough memory");
1001 memcpy(buffer_tmp, svf_tdi_buffer, svf_buffer_index);
1002 // svf_tdi_buffer isn't NULL here
1003 free(svf_tdi_buffer);
1004 svf_tdi_buffer = buffer_tmp;
1006 buffer_tmp = (u8 *)malloc(svf_buffer_index + ((i + 7) >> 3));
1007 if (NULL == buffer_tmp)
1009 LOG_ERROR("not enough memory");
1012 memcpy(buffer_tmp, svf_tdo_buffer, svf_buffer_index);
1013 // svf_tdo_buffer isn't NULL here
1014 free(svf_tdo_buffer);
1015 svf_tdo_buffer = buffer_tmp;
1017 buffer_tmp = (u8 *)malloc(svf_buffer_index + ((i + 7) >> 3));
1018 if (NULL == buffer_tmp)
1020 LOG_ERROR("not enough memory");
1023 memcpy(buffer_tmp, svf_mask_buffer, svf_buffer_index);
1024 // svf_mask_buffer isn't NULL here
1025 free(svf_mask_buffer);
1026 svf_mask_buffer = buffer_tmp;
1029 svf_buffer_size = svf_buffer_index + ((i + 7) >> 3);
1035 buf_set_buf(svf_para.hir_para.tdi, 0, &svf_tdi_buffer[svf_buffer_index], i, svf_para.hir_para.len);
1036 i += svf_para.hir_para.len;
1037 buf_set_buf(svf_para.sir_para.tdi, 0, &svf_tdi_buffer[svf_buffer_index], i, svf_para.sir_para.len);
1038 i += svf_para.sir_para.len;
1039 buf_set_buf(svf_para.tir_para.tdi, 0, &svf_tdi_buffer[svf_buffer_index], i, svf_para.tir_para.len);
1040 i += svf_para.tir_para.len;
1043 if (svf_para.sir_para.data_mask & XXR_TDO)
1045 // assemble dr mask data
1047 buf_set_buf(svf_para.hir_para.mask, 0, &svf_mask_buffer[svf_buffer_index], i, svf_para.hir_para.len);
1048 i += svf_para.hir_para.len;
1049 buf_set_buf(svf_para.sir_para.mask, 0, &svf_mask_buffer[svf_buffer_index], i, svf_para.sir_para.len);
1050 i += svf_para.sir_para.len;
1051 buf_set_buf(svf_para.tir_para.mask, 0, &svf_mask_buffer[svf_buffer_index], i, svf_para.tir_para.len);
1052 i += svf_para.tir_para.len;
1053 // assemble dr check data
1055 buf_set_buf(svf_para.hir_para.tdo, 0, &svf_tdo_buffer[svf_buffer_index], i, svf_para.hir_para.len);
1056 i += svf_para.hir_para.len;
1057 buf_set_buf(svf_para.sir_para.tdo, 0, &svf_tdo_buffer[svf_buffer_index], i, svf_para.sir_para.len);
1058 i += svf_para.sir_para.len;
1059 buf_set_buf(svf_para.tir_para.tdo, 0, &svf_tdo_buffer[svf_buffer_index], i, svf_para.tir_para.len);
1060 i += svf_para.tir_para.len;
1062 svf_add_check_para(1, svf_buffer_index, i);
1066 svf_add_check_para(0, svf_buffer_index, i);
1070 field.out_value = &svf_tdi_buffer[svf_buffer_index];
1072 field.in_value = &svf_tdi_buffer[svf_buffer_index];
1077 jtag_add_plain_ir_scan(1, &field, svf_para.ir_end_state);
1079 svf_buffer_index += (i + 7) >> 3;
1080 last_state = svf_para.ir_end_state;
1085 LOG_ERROR("PIO and PIOMAP are not supported");
1089 // RUNTEST [run_state] run_count run_clk [min_time SEC [MAXIMUM max_time SEC]] [ENDSTATE end_state]
1090 // RUNTEST [run_state] min_time SEC [MAXIMUM max_time SEC] [ENDSTATE end_state]
1091 if ((num_of_argu < 3) && (num_of_argu > 11))
1093 LOG_ERROR("invalid parameter of %s", argus[0]);
1102 i_tmp = svf_find_string_in_array(argus[i], (char **)svf_tap_state_name, dimof(svf_tap_state_name));
1103 if (svf_tap_state_is_valid(i_tmp))
1105 if (svf_tap_state_is_stable(i_tmp))
1107 svf_para.runtest_run_state = i_tmp;
1109 // When a run_state is specified, the new run_state becomes the default end_state
1110 svf_para.runtest_end_state = i_tmp;
1111 LOG_DEBUG("\trun_state = %s", svf_tap_state_name[svf_para.runtest_run_state]);
1116 LOG_ERROR("%s is not valid state", svf_tap_state_name[i_tmp]);
1120 // run_count run_clk
1121 if (((i + 2) <= num_of_argu) && strcmp(argus[i + 1], "SEC"))
1123 if (!strcmp(argus[i + 1], "TCK"))
1125 // clock source is TCK
1126 run_count = atoi(argus[i]);
1127 LOG_DEBUG("\trun_count@TCK = %d", run_count);
1131 LOG_ERROR("%s not supported for clock", argus[i + 1]);
1137 if (((i + 2) <= num_of_argu) && !strcmp(argus[i + 1], "SEC"))
1139 min_time = atof(argus[i]);
1140 LOG_DEBUG("\tmin_time = %fs", min_time);
1143 // MAXIMUM max_time SEC
1144 if (((i + 3) <= num_of_argu) && !strcmp(argus[i], "MAXIMUM") && !strcmp(argus[i + 2], "SEC"))
1146 max_time = atof(argus[i + 1]);
1147 LOG_DEBUG("\tmax_time = %fs", max_time);
1150 // ENDSTATE end_state
1151 if (((i + 2) <= num_of_argu) && !strcmp(argus[i], "ENDSTATE"))
1153 i_tmp = svf_find_string_in_array(argus[i + 1], (char **)svf_tap_state_name, dimof(svf_tap_state_name));
1154 if (svf_tap_state_is_stable(i_tmp))
1156 svf_para.runtest_end_state = i_tmp;
1157 LOG_DEBUG("\tend_state = %s", svf_tap_state_name[svf_para.runtest_end_state]);
1161 LOG_ERROR("%s is not valid state", svf_tap_state_name[i_tmp]);
1166 // calculate run_count
1167 if ((0 == run_count) && (min_time > 0))
1169 run_count = min_time * svf_para.frequency;
1171 // all parameter should be parsed
1172 if (i == num_of_argu)
1176 // run_state and end_state is checked to be stable state
1179 // enter into run_state if necessary
1180 if (last_state != svf_para.runtest_run_state)
1182 jtag_command_t * cmd = cmd_queue_alloc(sizeof(jtag_command_t));
1184 jtag_queue_command(cmd);
1186 cmd->type = JTAG_STATEMOVE;
1187 cmd->cmd.statemove = cmd_queue_alloc(sizeof(statemove_command_t));
1188 cmd->cmd.statemove->end_state = svf_para.runtest_run_state;
1190 cmd_queue_end_state = cmd_queue_cur_state = cmd->cmd.statemove->end_state;
1193 // call jtag_add_clocks
1194 jtag_add_clocks(run_count);
1196 if (svf_para.runtest_end_state != svf_para.runtest_run_state)
1198 // move to end_state
1199 jtag_command_t * cmd = cmd_queue_alloc(sizeof(jtag_command_t));
1201 jtag_queue_command(cmd);
1202 cmd->type = JTAG_STATEMOVE;
1203 cmd->cmd.statemove = cmd_queue_alloc(sizeof(statemove_command_t));
1204 cmd->cmd.statemove->end_state = svf_para.runtest_end_state;
1206 cmd_queue_end_state = cmd_queue_cur_state = cmd->cmd.statemove->end_state;
1208 last_state = svf_para.runtest_end_state;
1210 if (svf_para.runtest_run_state != TAP_IDLE)
1212 // RUNTEST can only executed in TAP_IDLE
1213 LOG_ERROR("cannot runtest in %s state", svf_tap_state_name[svf_para.runtest_run_state]);
1217 jtag_add_runtest(run_count, svf_para.runtest_end_state);
1223 LOG_ERROR("fail to parse parameter of RUNTEST, %d out of %d is parsed", i, num_of_argu);
1228 // STATE [pathstate1 [pathstate2 ...[pathstaten]]] stable_state
1229 if (num_of_argu < 2)
1231 LOG_ERROR("invalid parameter of %s", argus[0]);
1234 if (num_of_argu > 2)
1236 // STATE pathstate1 ... stable_state
1237 path = (tap_state_t *)malloc((num_of_argu - 1) * sizeof(tap_state_t));
1240 LOG_ERROR("not enough memory");
1243 num_of_argu--; // num of path
1244 i_tmp = 1; // path is from patameter 1
1245 for (i = 0; i < num_of_argu; i++)
1247 path[i] = svf_find_string_in_array(argus[i_tmp++], (char **)svf_tap_state_name, dimof(svf_tap_state_name));
1248 if (!svf_tap_state_is_valid(path[i]))
1250 LOG_ERROR("%s is not valid state", svf_tap_state_name[path[i]]);
1253 if (TAP_RESET == path[i])
1257 jtag_add_pathmove(i, path);
1260 num_of_argu -= i + 1;
1264 if (num_of_argu > 0)
1266 // execute last path if necessary
1267 if (svf_tap_state_is_stable(path[num_of_argu - 1]))
1269 // last state MUST be stable state
1270 // TODO: call path_move
1271 jtag_add_pathmove(num_of_argu, path);
1272 last_state = path[num_of_argu - 1];
1273 LOG_DEBUG("\tmove to %s by path_move", svf_tap_state_name[path[num_of_argu - 1]]);
1277 LOG_ERROR("%s is not valid state", svf_tap_state_name[path[num_of_argu - 1]]);
1281 // no need to keep this memory, in jtag_add_pathmove, path will be duplicated
1290 // STATE stable_state
1291 state = svf_find_string_in_array(argus[1], (char **)svf_tap_state_name, dimof(svf_tap_state_name));
1292 if (svf_tap_state_is_stable(state))
1294 // TODO: move to state
1295 jtag_command_t * cmd = cmd_queue_alloc(sizeof(jtag_command_t));
1297 jtag_queue_command(cmd);
1299 cmd->type = JTAG_STATEMOVE;
1300 cmd->cmd.statemove = cmd_queue_alloc(sizeof(statemove_command_t));
1301 cmd->cmd.statemove->end_state = state;
1303 cmd_queue_end_state = cmd_queue_cur_state = cmd->cmd.statemove->end_state;
1306 LOG_DEBUG("\tmove to %s by state_move", svf_tap_state_name[state]);
1310 LOG_ERROR("%s is not valid state", svf_tap_state_name[state]);
1317 if (num_of_argu != 2)
1319 LOG_ERROR("invalid parameter of %s", argus[0]);
1322 if (svf_para.trst_mode != TRST_ABSENT)
1324 if (ERROR_OK != svf_execute_tap())
1328 i_tmp = svf_find_string_in_array(argus[1], (char **)svf_trst_mode_name, dimof(svf_trst_mode_name));
1332 last_state = TAP_RESET;
1333 jtag_add_reset(1, 0);
1337 jtag_add_reset(0, 0);
1342 LOG_ERROR("unknown TRST mode: %s", argus[1]);
1345 svf_para.trst_mode = i_tmp;
1346 LOG_DEBUG("\ttrst_mode = %s", svf_trst_mode_name[svf_para.trst_mode]);
1350 LOG_ERROR("can not accpet TRST command if trst_mode is ABSENT");
1355 LOG_ERROR("invalid svf command: %s", argus[0]);
1360 if (debug_level >= LOG_LVL_DEBUG)
1362 // for convenient debugging, execute tap if possible
1363 if ((svf_buffer_index > 0) && \
1364 (((command != STATE) && (command != RUNTEST)) || \
1365 ((command == STATE) && (num_of_argu == 2))))
1367 if (ERROR_OK != svf_execute_tap())
1372 // output debug info
1373 if ((SIR == command) || (SDR == command))
1376 memcpy(&read_value, svf_tdi_buffer, sizeof(int));
1377 // in debug mode, data is from index 0
1378 int read_mask = (1 << (svf_check_tdo_para[0].bit_len)) - 1;
1379 LOG_DEBUG("\tTDO read = 0x%X", read_value & read_mask);
1385 // for fast executing, execute tap if necessary
1386 // half of the buffer is for the next command
1387 if (((svf_buffer_index >= SVF_MAX_BUFFER_SIZE_TO_COMMIT) || (svf_check_tdo_para_index >= SVF_CHECK_TDO_PARA_SIZE / 2)) && \
1388 (((command != STATE) && (command != RUNTEST)) || \
1389 ((command == STATE) && (num_of_argu == 2))))
1391 return svf_execute_tap();