/* * Copyright (C) 2009 by Simon Qian * SimonQian@SimonQian.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 */ /* The specification for SVF is available here: * http://www.asset-intertech.com/support/svf.pdf * Below, this document is refered to as the "SVF spec". * * The specification for XSVF is available here: * http://www.xilinx.com/support/documentation/application_notes/xapp503.pdf * Below, this document is refered to as the "XSVF spec". */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include "jtag.h" #include "svf.h" #include "time_support.h" // SVF command typedef enum { ENDDR, ENDIR, FREQUENCY, HDR, HIR, PIO, PIOMAP, RUNTEST, SDR, SIR, STATE, TDR, TIR, TRST, }svf_command_t; static const char *svf_command_name[14] = { "ENDDR", "ENDIR", "FREQUENCY", "HDR", "HIR", "PIO", "PIOMAP", "RUNTEST", "SDR", "SIR", "STATE", "TDR", "TIR", "TRST" }; typedef enum { TRST_ON, TRST_OFF, TRST_Z, TRST_ABSENT }trst_mode_t; static const char *svf_trst_mode_name[4] = { "ON", "OFF", "Z", "ABSENT" }; typedef struct { tap_state_t from; tap_state_t to; uint32_t num_of_moves; tap_state_t paths[8]; }svf_statemove_t; /* * These paths are from the SVF specification for the STATE command, to be * used when the STATE command only includes the final state. The first * element of the path is the "from" (current) state, and the last one is * the "to" (target) state. * * All specified paths are the shortest ones in the JTAG spec, and are thus * not (!!) exact matches for the paths used elsewhere in OpenOCD. Note * that PAUSE-to-PAUSE transitions all go through UPDATE and then CAPTURE, * which has specific effects on the various registers; they are not NOPs. * * Paths to RESET are disabled here. As elsewhere in OpenOCD, and in XSVF * and many SVF implementations, we don't want to risk missing that state. * To get to RESET, always we ignore the current state. */ static const svf_statemove_t svf_statemoves[] = { // from to num_of_moves, paths[8] // {TAP_RESET, TAP_RESET, 1, {TAP_RESET}}, {TAP_RESET, TAP_IDLE, 2, {TAP_RESET, TAP_IDLE}}, {TAP_RESET, TAP_DRPAUSE, 6, {TAP_RESET, TAP_IDLE, TAP_DRSELECT, TAP_DRCAPTURE, TAP_DREXIT1, TAP_DRPAUSE}}, {TAP_RESET, TAP_IRPAUSE, 7, {TAP_RESET, TAP_IDLE, TAP_DRSELECT, TAP_IRSELECT, TAP_IRCAPTURE, TAP_IREXIT1, TAP_IRPAUSE}}, // {TAP_IDLE, TAP_RESET, 4, {TAP_IDLE, TAP_DRSELECT, TAP_IRSELECT, TAP_RESET}}, {TAP_IDLE, TAP_IDLE, 1, {TAP_IDLE}}, {TAP_IDLE, TAP_DRPAUSE, 5, {TAP_IDLE, TAP_DRSELECT, TAP_DRCAPTURE, TAP_DREXIT1, TAP_DRPAUSE}}, {TAP_IDLE, TAP_IRPAUSE, 6, {TAP_IDLE, TAP_DRSELECT, TAP_IRSELECT, TAP_IRCAPTURE, TAP_IREXIT1, TAP_IRPAUSE}}, // {TAP_DRPAUSE, TAP_RESET, 6, {TAP_DRPAUSE, TAP_DREXIT2, TAP_DRUPDATE, TAP_DRSELECT, TAP_IRSELECT, TAP_RESET}}, {TAP_DRPAUSE, TAP_IDLE, 4, {TAP_DRPAUSE, TAP_DREXIT2, TAP_DRUPDATE, TAP_IDLE}}, {TAP_DRPAUSE, TAP_DRPAUSE, 7, {TAP_DRPAUSE, TAP_DREXIT2, TAP_DRUPDATE, TAP_DRSELECT, TAP_DRCAPTURE, TAP_DREXIT1, TAP_DRPAUSE}}, {TAP_DRPAUSE, TAP_IRPAUSE, 8, {TAP_DRPAUSE, TAP_DREXIT2, TAP_DRUPDATE, TAP_DRSELECT, TAP_IRSELECT, TAP_IRCAPTURE, TAP_IREXIT1, TAP_IRPAUSE}}, // {TAP_IRPAUSE, TAP_RESET, 6, {TAP_IRPAUSE, TAP_IREXIT2, TAP_IRUPDATE, TAP_DRSELECT, TAP_IRSELECT, TAP_RESET}}, {TAP_IRPAUSE, TAP_IDLE, 4, {TAP_IRPAUSE, TAP_IREXIT2, TAP_IRUPDATE, TAP_IDLE}}, {TAP_IRPAUSE, TAP_DRPAUSE, 7, {TAP_IRPAUSE, TAP_IREXIT2, TAP_IRUPDATE, TAP_DRSELECT, TAP_DRCAPTURE, TAP_DREXIT1, TAP_DRPAUSE}}, {TAP_IRPAUSE, TAP_IRPAUSE, 8, {TAP_IRPAUSE, TAP_IREXIT2, TAP_IRUPDATE, TAP_DRSELECT, TAP_IRSELECT, TAP_IRCAPTURE, TAP_IREXIT1, TAP_IRPAUSE}} }; #define XXR_TDI (1 << 0) #define XXR_TDO (1 << 1) #define XXR_MASK (1 << 2) #define XXR_SMASK (1 << 3) typedef struct { int len; int data_mask; uint8_t *tdi; uint8_t *tdo; uint8_t *mask; uint8_t *smask; }svf_xxr_para_t; typedef struct { float frequency; tap_state_t ir_end_state; tap_state_t dr_end_state; tap_state_t runtest_run_state; tap_state_t runtest_end_state; trst_mode_t trst_mode; svf_xxr_para_t hir_para; svf_xxr_para_t hdr_para; svf_xxr_para_t tir_para; svf_xxr_para_t tdr_para; svf_xxr_para_t sir_para; svf_xxr_para_t sdr_para; }svf_para_t; static svf_para_t svf_para; static 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, // hir_para // {len, data_mask, tdi, tdo, mask, smask}, {0, 0, NULL, NULL, NULL, NULL}, // hdr_para // {len, data_mask, tdi, tdo, mask, smask}, {0, 0, NULL, NULL, NULL, NULL}, // tir_para // {len, data_mask, tdi, tdo, mask, smask}, {0, 0, NULL, NULL, NULL, NULL}, // tdr_para // {len, data_mask, tdi, tdo, mask, smask}, {0, 0, NULL, NULL, NULL, NULL}, // sir_para // {len, data_mask, tdi, tdo, mask, smask}, {0, 0, NULL, NULL, NULL, NULL}, // sdr_para // {len, data_mask, tdi, tdo, mask, smask}, {0, 0, NULL, NULL, NULL, NULL}, }; typedef struct { int line_num; // used to record line number of the check operation // so more information could be printed int enabled; // check is enabled or not int buffer_offset; // buffer_offset to buffers int bit_len; // bit length to check }svf_check_tdo_para_t; #define SVF_CHECK_TDO_PARA_SIZE 1024 static svf_check_tdo_para_t *svf_check_tdo_para = NULL; static int svf_check_tdo_para_index = 0; static int svf_read_command_from_file(int fd); static int svf_check_tdo(void); static int svf_add_check_para(uint8_t enabled, int buffer_offset, int bit_len); static int svf_run_command(struct command_context_s *cmd_ctx, char *cmd_str); static int handle_svf_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); static int svf_fd = 0; static char *svf_command_buffer = NULL; static int svf_command_buffer_size = 0; static int svf_line_number = 1; static jtag_tap_t *tap = NULL; #define SVF_MAX_BUFFER_SIZE_TO_COMMIT (4 * 1024) static uint8_t *svf_tdi_buffer = NULL, *svf_tdo_buffer = NULL, *svf_mask_buffer = NULL; static int svf_buffer_index = 0, svf_buffer_size = 0; static int svf_quiet = 0; int svf_register_commands(struct command_context_s *cmd_ctx) { register_command(cmd_ctx, NULL, "svf", handle_svf_command, COMMAND_EXEC, "run svf "); return ERROR_OK; } static void svf_free_xxd_para(svf_xxr_para_t *para) { if (NULL != para) { if (para->tdi != NULL) { free(para->tdi); para->tdi = NULL; } if (para->tdo != NULL) { free(para->tdo); para->tdo = NULL; } if (para->mask != NULL) { free(para->mask); para->mask = NULL; } if (para->smask != NULL) { free(para->smask); para->smask = NULL; } } } static unsigned svf_get_mask_u32(int bitlen) { uint32_t bitmask; if (bitlen < 0) { bitmask = 0; } else if (bitlen >= 32) { bitmask = 0xFFFFFFFF; } else { bitmask = (1 << bitlen) - 1; } return bitmask; } int svf_add_statemove(tap_state_t state_to) { tap_state_t state_from = cmd_queue_cur_state; uint8_t index; /* when resetting, be paranoid and ignore current state */ if (state_to == TAP_RESET) { jtag_add_tlr(); return ERROR_OK; } for (index = 0; index < DIM(svf_statemoves); index++) { if ((svf_statemoves[index].from == state_from) && (svf_statemoves[index].to == state_to)) { /* recorded path includes current state ... avoid extra TCKs! */ if (svf_statemoves[index].num_of_moves > 1) jtag_add_pathmove(svf_statemoves[index].num_of_moves - 1, svf_statemoves[index].paths + 1); else jtag_add_pathmove(svf_statemoves[index].num_of_moves, svf_statemoves[index].paths); return ERROR_OK; } } LOG_ERROR("SVF: can not move to %s", tap_state_name(state_to)); return ERROR_FAIL; } static int handle_svf_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) { #define SVF_NUM_OF_OPTIONS 1 int command_num = 0, i; int ret = ERROR_OK; long long time_ago; if ((argc < 1) || (argc > (1 + SVF_NUM_OF_OPTIONS))) { command_print(cmd_ctx, "usage: svf [quiet]"); return ERROR_FAIL; } // parse variant svf_quiet = 0; for (i = 1; i < argc; i++) { if (!strcmp(args[i], "quiet")) { svf_quiet = 1; } else { LOG_ERROR("unknown variant for svf: %s", args[i]); // no need to free anything now return ERROR_FAIL; } } if ((svf_fd = open(args[0], O_RDONLY)) < 0) { command_print(cmd_ctx, "file \"%s\" not found", args[0]); // no need to free anything now return ERROR_FAIL; } LOG_USER("svf processing file: \"%s\"", args[0]); // get time time_ago = timeval_ms(); // init svf_line_number = 1; svf_command_buffer_size = 0; svf_check_tdo_para_index = 0; svf_check_tdo_para = malloc(sizeof(svf_check_tdo_para_t) * SVF_CHECK_TDO_PARA_SIZE); if (NULL == svf_check_tdo_para) { LOG_ERROR("not enough memory"); ret = ERROR_FAIL; goto free_all; } svf_buffer_index = 0; // double the buffer size // in case current command cannot be commited, and next command is a bit scan command // here is 32K bits for this big scan command, it should be enough // buffer will be reallocated if buffer size is not enough svf_tdi_buffer = (uint8_t *)malloc(2 * SVF_MAX_BUFFER_SIZE_TO_COMMIT); if (NULL == svf_tdi_buffer) { LOG_ERROR("not enough memory"); ret = ERROR_FAIL; goto free_all; } svf_tdo_buffer = (uint8_t *)malloc(2 * SVF_MAX_BUFFER_SIZE_TO_COMMIT); if (NULL == svf_tdo_buffer) { LOG_ERROR("not enough memory"); ret = ERROR_FAIL; goto free_all; } svf_mask_buffer = (uint8_t *)malloc(2 * SVF_MAX_BUFFER_SIZE_TO_COMMIT); if (NULL == svf_mask_buffer) { LOG_ERROR("not enough memory"); ret = ERROR_FAIL; goto free_all; } svf_buffer_size = 2 * SVF_MAX_BUFFER_SIZE_TO_COMMIT; memcpy(&svf_para, &svf_para_init, sizeof(svf_para)); // TAP_RESET jtag_add_tlr(); while (ERROR_OK == svf_read_command_from_file(svf_fd)) { if (ERROR_OK != svf_run_command(cmd_ctx, svf_command_buffer)) { LOG_ERROR("fail to run command at line %d", svf_line_number); ret = ERROR_FAIL; break; } command_num++; } if (ERROR_OK != jtag_execute_queue()) { ret = ERROR_FAIL; } else if (ERROR_OK != svf_check_tdo()) { ret = ERROR_FAIL; } // print time command_print(cmd_ctx, "%lld ms used", timeval_ms() - time_ago); free_all: close(svf_fd); svf_fd = 0; // free buffers if (svf_command_buffer) { free(svf_command_buffer); svf_command_buffer = NULL; svf_command_buffer_size = 0; } if (svf_check_tdo_para) { free(svf_check_tdo_para); svf_check_tdo_para = NULL; svf_check_tdo_para_index = 0; } if (svf_tdi_buffer) { free(svf_tdi_buffer); svf_tdi_buffer = NULL; } if (svf_tdo_buffer) { free(svf_tdo_buffer); svf_tdo_buffer = NULL; } if (svf_mask_buffer) { free(svf_mask_buffer); svf_mask_buffer = NULL; } svf_buffer_index = 0; svf_buffer_size = 0; svf_free_xxd_para(&svf_para.hdr_para); svf_free_xxd_para(&svf_para.hir_para); svf_free_xxd_para(&svf_para.tdr_para); svf_free_xxd_para(&svf_para.tir_para); svf_free_xxd_para(&svf_para.sdr_para); svf_free_xxd_para(&svf_para.sir_para); if (ERROR_OK == ret) { command_print(cmd_ctx, "svf file programmed successfully for %d commands", command_num); } else { command_print(cmd_ctx, "svf file programmed failed"); } return ret; } #define SVFP_CMD_INC_CNT 1024 static int svf_read_command_from_file(int fd) { char ch, *tmp_buffer = NULL; int cmd_pos = 0, cmd_ok = 0, slash = 0, comment = 0; while (!cmd_ok && (read(fd, &ch, 1) > 0)) { switch (ch) { case '!': slash = 0; comment = 1; break; case '/': if (++slash == 2) { comment = 1; } break; case ';': slash = 0; if (!comment) { cmd_ok = 1; } break; case '\n': svf_line_number++; case '\r': slash = 0; comment = 0; break; default: if (!comment) { if (cmd_pos >= svf_command_buffer_size - 1) { tmp_buffer = (char*)malloc(svf_command_buffer_size + SVFP_CMD_INC_CNT); // 1 more byte for '\0' if (NULL == tmp_buffer) { LOG_ERROR("not enough memory"); return ERROR_FAIL; } if (svf_command_buffer_size > 0) { memcpy(tmp_buffer, svf_command_buffer, svf_command_buffer_size); } if (svf_command_buffer != NULL) { free(svf_command_buffer); } svf_command_buffer = tmp_buffer; svf_command_buffer_size += SVFP_CMD_INC_CNT; tmp_buffer = NULL; } svf_command_buffer[cmd_pos++] = (char)toupper(ch); } break; } } if (cmd_ok) { svf_command_buffer[cmd_pos] = '\0'; return ERROR_OK; } else { return ERROR_FAIL; } } static int svf_parse_cmd_string(char *str, int len, char **argus, int *num_of_argu) { int pos = 0, num = 0, space_found = 1; while (pos < len) { switch (str[pos]) { case '\n': case '\r': case '!': case '/': LOG_ERROR("fail to parse svf command"); return ERROR_FAIL; break; case ' ': space_found = 1; str[pos] = '\0'; break; default: if (space_found) { argus[num++] = &str[pos]; space_found = 0; } break; } pos++; } *num_of_argu = num; return ERROR_OK; } bool svf_tap_state_is_stable(tap_state_t state) { return (TAP_RESET == state) || (TAP_IDLE == state) || (TAP_DRPAUSE == state) || (TAP_IRPAUSE == state); } static int svf_find_string_in_array(char *str, char **strs, int num_of_element) { int i; for (i = 0; i < num_of_element; i++) { if (!strcmp(str, strs[i])) { return i; } } return 0xFF; } static int svf_adjust_array_length(uint8_t **arr, int orig_bit_len, int new_bit_len) { int new_byte_len = (new_bit_len + 7) >> 3; if ((NULL == *arr) || (((orig_bit_len + 7) >> 3) < ((new_bit_len + 7) >> 3))) { if (*arr != NULL) { free(*arr); *arr = NULL; } *arr = (uint8_t*)malloc(new_byte_len); if (NULL == *arr) { LOG_ERROR("not enough memory"); return ERROR_FAIL; } memset(*arr, 0, new_byte_len); } return ERROR_OK; } static int svf_copy_hexstring_to_binary(char *str, uint8_t **bin, int orig_bit_len, int bit_len) { int i, str_len = strlen(str), str_hbyte_len = (bit_len + 3) >> 2; uint8_t ch = 0; if (ERROR_OK != svf_adjust_array_length(bin, orig_bit_len, bit_len)) { LOG_ERROR("fail to adjust length of array"); return ERROR_FAIL; } for (i = 0; i < str_hbyte_len; i++) { ch = 0; while (str_len > 0) { ch = str[--str_len]; if (!isblank(ch)) { if ((ch >= '0') && (ch <= '9')) { ch = ch - '0'; break; } else if ((ch >= 'A') && (ch <= 'F')) { ch = ch - 'A' + 10; break; } else { LOG_ERROR("invalid hex string"); return ERROR_FAIL; } } ch = 0; } // write bin if (i % 2) { // MSB (*bin)[i / 2] |= ch << 4; } else { // LSB (*bin)[i / 2] = 0; (*bin)[i / 2] |= ch; } } // consume optional leading '0' characters while (str_len > 0 && str[str_len - 1] == '0') str_len--; // check valid if (str_len > 0 || (ch & ~((2 << ((bit_len - 1) % 4)) - 1)) != 0) { LOG_ERROR("value execeeds length"); return ERROR_FAIL; } return ERROR_OK; } static int svf_check_tdo(void) { int i, len, index; for (i = 0; i < svf_check_tdo_para_index; i++) { index = svf_check_tdo_para[i].buffer_offset; len = svf_check_tdo_para[i].bit_len; if ((svf_check_tdo_para[i].enabled) && buf_cmp_mask(&svf_tdi_buffer[index], &svf_tdo_buffer[index], &svf_mask_buffer[index], len)) { unsigned bitmask; unsigned received, expected, tapmask; bitmask = svf_get_mask_u32(svf_check_tdo_para[i].bit_len); memcpy(&received, svf_tdi_buffer + index, sizeof(unsigned)); memcpy(&expected, svf_tdo_buffer + index, sizeof(unsigned)); memcpy(&tapmask, svf_mask_buffer + index, sizeof(unsigned)); LOG_ERROR("tdo check error at line %d", svf_check_tdo_para[i].line_num); LOG_ERROR("read = 0x%X, want = 0x%X, mask = 0x%X", received & bitmask, expected & bitmask, tapmask & bitmask); return ERROR_FAIL; } } svf_check_tdo_para_index = 0; return ERROR_OK; } static int svf_add_check_para(uint8_t enabled, int buffer_offset, int bit_len) { if (svf_check_tdo_para_index >= SVF_CHECK_TDO_PARA_SIZE) { LOG_ERROR("toooooo many operation undone"); return ERROR_FAIL; } svf_check_tdo_para[svf_check_tdo_para_index].line_num = svf_line_number; svf_check_tdo_para[svf_check_tdo_para_index].bit_len = bit_len; svf_check_tdo_para[svf_check_tdo_para_index].enabled = enabled; svf_check_tdo_para[svf_check_tdo_para_index].buffer_offset = buffer_offset; svf_check_tdo_para_index++; return ERROR_OK; } static int svf_execute_tap(void) { if (ERROR_OK != jtag_execute_queue()) { return ERROR_FAIL; } else if (ERROR_OK != svf_check_tdo()) { return ERROR_FAIL; } svf_buffer_index = 0; return ERROR_OK; } static int svf_run_command(struct command_context_s *cmd_ctx, char *cmd_str) { char *argus[256], command; int num_of_argu = 0, i; // tmp variable int i_tmp; // for RUNTEST int run_count; float min_time, max_time; // for XXR svf_xxr_para_t *xxr_para_tmp; uint8_t **pbuffer_tmp; scan_field_t field; // for STATE tap_state_t *path = NULL, state; if (!svf_quiet) { LOG_USER("%s", svf_command_buffer); } if (ERROR_OK != svf_parse_cmd_string(cmd_str, strlen(cmd_str), argus, &num_of_argu)) { return ERROR_FAIL; } /* NOTE: we're a bit loose here, because we ignore case in * TAP state names (instead of insisting on uppercase). */ command = svf_find_string_in_array(argus[0], (char **)svf_command_name, DIM(svf_command_name)); switch (command) { case ENDDR: case ENDIR: if (num_of_argu != 2) { LOG_ERROR("invalid parameter of %s", argus[0]); return ERROR_FAIL; } i_tmp = tap_state_by_name(argus[1]); if (svf_tap_state_is_stable(i_tmp)) { if (command == ENDIR) { svf_para.ir_end_state = i_tmp; LOG_DEBUG("\tIR end_state = %s", tap_state_name(i_tmp)); } else { svf_para.dr_end_state = i_tmp; LOG_DEBUG("\tDR end_state = %s", tap_state_name(i_tmp)); } } else { LOG_ERROR("%s: %s is not a stable state", argus[0], argus[1]); return ERROR_FAIL; } break; case FREQUENCY: if ((num_of_argu != 1) && (num_of_argu != 3)) { LOG_ERROR("invalid parameter of %s", argus[0]); return ERROR_FAIL; } if (1 == num_of_argu) { // TODO: set jtag speed to full speed svf_para.frequency = 0; } else { if (strcmp(argus[2], "HZ")) { LOG_ERROR("HZ not found in FREQUENCY command"); return ERROR_FAIL; } if (ERROR_OK != svf_execute_tap()) { return ERROR_FAIL; } svf_para.frequency = atof(argus[1]); // TODO: set jtag speed to if (svf_para.frequency > 0) { command_run_linef(cmd_ctx, "jtag_khz %d", (int)svf_para.frequency / 1000); LOG_DEBUG("\tfrequency = %f", svf_para.frequency); } } break; case HDR: xxr_para_tmp = &svf_para.hdr_para; goto XXR_common; case HIR: xxr_para_tmp = &svf_para.hir_para; goto XXR_common; case TDR: xxr_para_tmp = &svf_para.tdr_para; goto XXR_common; case TIR: xxr_para_tmp = &svf_para.tir_para; goto XXR_common; case SDR: xxr_para_tmp = &svf_para.sdr_para; goto XXR_common; case SIR: xxr_para_tmp = &svf_para.sir_para; goto XXR_common; XXR_common: // XXR length [TDI (tdi)] [TDO (tdo)][MASK (mask)] [SMASK (smask)] if ((num_of_argu > 10) || (num_of_argu % 2)) { LOG_ERROR("invalid parameter of %s", argus[0]); return ERROR_FAIL; } i_tmp = xxr_para_tmp->len; xxr_para_tmp->len = atoi(argus[1]); LOG_DEBUG("\tlength = %d", xxr_para_tmp->len); xxr_para_tmp->data_mask = 0; for (i = 2; i < num_of_argu; i += 2) { if ((strlen(argus[i + 1]) < 3) || (argus[i + 1][0] != '(') || (argus[i + 1][strlen(argus[i + 1]) - 1] != ')')) { LOG_ERROR("data section error"); return ERROR_FAIL; } argus[i + 1][strlen(argus[i + 1]) - 1] = '\0'; // TDI, TDO, MASK, SMASK if (!strcmp(argus[i], "TDI")) { // TDI pbuffer_tmp = &xxr_para_tmp->tdi; xxr_para_tmp->data_mask |= XXR_TDI; } else if (!strcmp(argus[i], "TDO")) { // TDO pbuffer_tmp = &xxr_para_tmp->tdo; xxr_para_tmp->data_mask |= XXR_TDO; } else if (!strcmp(argus[i], "MASK")) { // MASK pbuffer_tmp = &xxr_para_tmp->mask; xxr_para_tmp->data_mask |= XXR_MASK; } else if (!strcmp(argus[i], "SMASK")) { // SMASK pbuffer_tmp = &xxr_para_tmp->smask; xxr_para_tmp->data_mask |= XXR_SMASK; } else { LOG_ERROR("unknow parameter: %s", argus[i]); return ERROR_FAIL; } if (ERROR_OK != svf_copy_hexstring_to_binary(&argus[i + 1][1], pbuffer_tmp, i_tmp, xxr_para_tmp->len)) { LOG_ERROR("fail to parse hex value"); return ERROR_FAIL; } LOG_DEBUG("\t%s = 0x%X", argus[i], (**(int**)pbuffer_tmp) & svf_get_mask_u32(xxr_para_tmp->len)); } // 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)) { // MASK not defined and length changed if (ERROR_OK != svf_adjust_array_length(&xxr_para_tmp->mask, i_tmp, xxr_para_tmp->len)) { LOG_ERROR("fail to adjust length of array"); return ERROR_FAIL; } buf_set_ones(xxr_para_tmp->mask, xxr_para_tmp->len); } // If TDO is absent, no comparison is needed, set the mask to 0 if (!(xxr_para_tmp->data_mask & XXR_TDO)) { if (NULL == xxr_para_tmp->tdo) { if (ERROR_OK != svf_adjust_array_length(&xxr_para_tmp->tdo, i_tmp, xxr_para_tmp->len)) { LOG_ERROR("fail to adjust length of array"); return ERROR_FAIL; } } if (NULL == xxr_para_tmp->mask) { if (ERROR_OK != svf_adjust_array_length(&xxr_para_tmp->mask, i_tmp, xxr_para_tmp->len)) { LOG_ERROR("fail to adjust length of array"); return ERROR_FAIL; } } memset(xxr_para_tmp->mask, 0, (xxr_para_tmp->len + 7) >> 3); } // do scan if necessary if (SDR == command) { // check buffer size first, reallocate if necessary i = svf_para.hdr_para.len + svf_para.sdr_para.len + svf_para.tdr_para.len; if ((svf_buffer_size - svf_buffer_index) < ((i + 7) >> 3)) { #if 1 // simply print error message LOG_ERROR("buffer is not enough, report to author"); return ERROR_FAIL; #else uint8_t *buffer_tmp; // reallocate buffer buffer_tmp = (uint8_t *)malloc(svf_buffer_index + ((i + 7) >> 3)); if (NULL == buffer_tmp) { LOG_ERROR("not enough memory"); return ERROR_FAIL; } memcpy(buffer_tmp, svf_tdi_buffer, svf_buffer_index); // svf_tdi_buffer isn't NULL here free(svf_tdi_buffer); svf_tdi_buffer = buffer_tmp; buffer_tmp = (uint8_t *)malloc(svf_buffer_index + ((i + 7) >> 3)); if (NULL == buffer_tmp) { LOG_ERROR("not enough memory"); return ERROR_FAIL; } memcpy(buffer_tmp, svf_tdo_buffer, svf_buffer_index); // svf_tdo_buffer isn't NULL here free(svf_tdo_buffer); svf_tdo_buffer = buffer_tmp; buffer_tmp = (uint8_t *)malloc(svf_buffer_index + ((i + 7) >> 3)); if (NULL == buffer_tmp) { LOG_ERROR("not enough memory"); return ERROR_FAIL; } memcpy(buffer_tmp, svf_mask_buffer, svf_buffer_index); // svf_mask_buffer isn't NULL here free(svf_mask_buffer); svf_mask_buffer = buffer_tmp; buffer_tmp = NULL; svf_buffer_size = svf_buffer_index + ((i + 7) >> 3); #endif } // assemble dr data i = 0; buf_set_buf(svf_para.hdr_para.tdi, 0, &svf_tdi_buffer[svf_buffer_index], i, svf_para.hdr_para.len); i += svf_para.hdr_para.len; buf_set_buf(svf_para.sdr_para.tdi, 0, &svf_tdi_buffer[svf_buffer_index], i, svf_para.sdr_para.len); i += svf_para.sdr_para.len; buf_set_buf(svf_para.tdr_para.tdi, 0, &svf_tdi_buffer[svf_buffer_index], i, svf_para.tdr_para.len); i += svf_para.tdr_para.len; // add check data if (svf_para.sdr_para.data_mask & XXR_TDO) { // assemble dr mask data i = 0; buf_set_buf(svf_para.hdr_para.mask, 0, &svf_mask_buffer[svf_buffer_index], i, svf_para.hdr_para.len); i += svf_para.hdr_para.len; buf_set_buf(svf_para.sdr_para.mask, 0, &svf_mask_buffer[svf_buffer_index], i, svf_para.sdr_para.len); i += svf_para.sdr_para.len; buf_set_buf(svf_para.tdr_para.mask, 0, &svf_mask_buffer[svf_buffer_index], i, svf_para.tdr_para.len); i += svf_para.tdr_para.len; // assemble dr check data i = 0; buf_set_buf(svf_para.hdr_para.tdo, 0, &svf_tdo_buffer[svf_buffer_index], i, svf_para.hdr_para.len); i += svf_para.hdr_para.len; buf_set_buf(svf_para.sdr_para.tdo, 0, &svf_tdo_buffer[svf_buffer_index], i, svf_para.sdr_para.len); i += svf_para.sdr_para.len; buf_set_buf(svf_para.tdr_para.tdo, 0, &svf_tdo_buffer[svf_buffer_index], i, svf_para.tdr_para.len); i += svf_para.tdr_para.len; svf_add_check_para(1, svf_buffer_index, i); } else { svf_add_check_para(0, svf_buffer_index, i); } field.tap = tap; field.num_bits = i; field.out_value = &svf_tdi_buffer[svf_buffer_index]; field.in_value = &svf_tdi_buffer[svf_buffer_index]; /* NOTE: doesn't use SVF-specified state paths */ jtag_add_plain_dr_scan(1, &field, svf_para.dr_end_state); svf_buffer_index += (i + 7) >> 3; } else if (SIR == command) { // check buffer size first, reallocate if necessary i = svf_para.hir_para.len + svf_para.sir_para.len + svf_para.tir_para.len; if ((svf_buffer_size - svf_buffer_index) < ((i + 7) >> 3)) { #if 1 // simply print error message LOG_ERROR("buffer is not enough, report to author"); return ERROR_FAIL; #else uint8_t *buffer_tmp; // reallocate buffer buffer_tmp = (uint8_t *)malloc(svf_buffer_index + ((i + 7) >> 3)); if (NULL == buffer_tmp) { LOG_ERROR("not enough memory"); return ERROR_FAIL; } memcpy(buffer_tmp, svf_tdi_buffer, svf_buffer_index); // svf_tdi_buffer isn't NULL here free(svf_tdi_buffer); svf_tdi_buffer = buffer_tmp; buffer_tmp = (uint8_t *)malloc(svf_buffer_index + ((i + 7) >> 3)); if (NULL == buffer_tmp) { LOG_ERROR("not enough memory"); return ERROR_FAIL; } memcpy(buffer_tmp, svf_tdo_buffer, svf_buffer_index); // svf_tdo_buffer isn't NULL here free(svf_tdo_buffer); svf_tdo_buffer = buffer_tmp; buffer_tmp = (uint8_t *)malloc(svf_buffer_index + ((i + 7) >> 3)); if (NULL == buffer_tmp) { LOG_ERROR("not enough memory"); return ERROR_FAIL; } memcpy(buffer_tmp, svf_mask_buffer, svf_buffer_index); // svf_mask_buffer isn't NULL here free(svf_mask_buffer); svf_mask_buffer = buffer_tmp; buffer_tmp = NULL; svf_buffer_size = svf_buffer_index + ((i + 7) >> 3); #endif } // assemble ir data i = 0; buf_set_buf(svf_para.hir_para.tdi, 0, &svf_tdi_buffer[svf_buffer_index], i, svf_para.hir_para.len); i += svf_para.hir_para.len; buf_set_buf(svf_para.sir_para.tdi, 0, &svf_tdi_buffer[svf_buffer_index], i, svf_para.sir_para.len); i += svf_para.sir_para.len; buf_set_buf(svf_para.tir_para.tdi, 0, &svf_tdi_buffer[svf_buffer_index], i, svf_para.tir_para.len); i += svf_para.tir_para.len; // add check data if (svf_para.sir_para.data_mask & XXR_TDO) { // assemble dr mask data i = 0; buf_set_buf(svf_para.hir_para.mask, 0, &svf_mask_buffer[svf_buffer_index], i, svf_para.hir_para.len); i += svf_para.hir_para.len; buf_set_buf(svf_para.sir_para.mask, 0, &svf_mask_buffer[svf_buffer_index], i, svf_para.sir_para.len); i += svf_para.sir_para.len; buf_set_buf(svf_para.tir_para.mask, 0, &svf_mask_buffer[svf_buffer_index], i, svf_para.tir_para.len); i += svf_para.tir_para.len; // assemble dr check data i = 0; buf_set_buf(svf_para.hir_para.tdo, 0, &svf_tdo_buffer[svf_buffer_index], i, svf_para.hir_para.len); i += svf_para.hir_para.len; buf_set_buf(svf_para.sir_para.tdo, 0, &svf_tdo_buffer[svf_buffer_index], i, svf_para.sir_para.len); i += svf_para.sir_para.len; buf_set_buf(svf_para.tir_para.tdo, 0, &svf_tdo_buffer[svf_buffer_index], i, svf_para.tir_para.len); i += svf_para.tir_para.len; svf_add_check_para(1, svf_buffer_index, i); } else { svf_add_check_para(0, svf_buffer_index, i); } field.tap = tap; field.num_bits = i; field.out_value = &svf_tdi_buffer[svf_buffer_index]; field.in_value = &svf_tdi_buffer[svf_buffer_index]; /* NOTE: doesn't use SVF-specified state paths */ jtag_add_plain_ir_scan(1, &field, svf_para.ir_end_state); svf_buffer_index += (i + 7) >> 3; } break; case PIO: case PIOMAP: LOG_ERROR("PIO and PIOMAP are not supported"); return ERROR_FAIL; break; case RUNTEST: // RUNTEST [run_state] run_count run_clk [min_time SEC [MAXIMUM max_time SEC]] [ENDSTATE end_state] // RUNTEST [run_state] min_time SEC [MAXIMUM max_time SEC] [ENDSTATE end_state] if ((num_of_argu < 3) && (num_of_argu > 11)) { LOG_ERROR("invalid parameter of %s", argus[0]); return ERROR_FAIL; } // init run_count = 0; min_time = 0; max_time = 0; i = 1; // run_state i_tmp = tap_state_by_name(argus[i]); if (i_tmp != TAP_INVALID) { if (svf_tap_state_is_stable(i_tmp)) { svf_para.runtest_run_state = i_tmp; /* When a run_state is specified, the new * run_state becomes the default end_state. */ svf_para.runtest_end_state = i_tmp; LOG_DEBUG("\trun_state = %s", tap_state_name(i_tmp)); i++; } else { LOG_ERROR("%s: %s is not a stable state", argus[0], tap_state_name(i_tmp)); return ERROR_FAIL; } } // run_count run_clk if (((i + 2) <= num_of_argu) && strcmp(argus[i + 1], "SEC")) { if (!strcmp(argus[i + 1], "TCK")) { // clock source is TCK run_count = atoi(argus[i]); LOG_DEBUG("\trun_count@TCK = %d", run_count); } else { LOG_ERROR("%s not supported for clock", argus[i + 1]); return ERROR_FAIL; } i += 2; } // min_time SEC if (((i + 2) <= num_of_argu) && !strcmp(argus[i + 1], "SEC")) { min_time = atof(argus[i]); LOG_DEBUG("\tmin_time = %fs", min_time); i += 2; } // MAXIMUM max_time SEC if (((i + 3) <= num_of_argu) && !strcmp(argus[i], "MAXIMUM") && !strcmp(argus[i + 2], "SEC")) { max_time = atof(argus[i + 1]); LOG_DEBUG("\tmax_time = %fs", max_time); i += 3; } // ENDSTATE end_state if (((i + 2) <= num_of_argu) && !strcmp(argus[i], "ENDSTATE")) { i_tmp = tap_state_by_name(argus[i + 1]); if (svf_tap_state_is_stable(i_tmp)) { svf_para.runtest_end_state = i_tmp; LOG_DEBUG("\tend_state = %s", tap_state_name(i_tmp)); } else { LOG_ERROR("%s: %s is not a stable state", argus[0], tap_state_name(i_tmp)); return ERROR_FAIL; } i += 2; } // calculate run_count if ((0 == run_count) && (min_time > 0)) { run_count = min_time * svf_para.frequency; } // all parameter should be parsed if (i == num_of_argu) { if (run_count > 0) { // run_state and end_state is checked to be stable state // TODO: do runtest #if 1 /* FIXME handle statemove failures */ int retval; // enter into run_state if necessary if (cmd_queue_cur_state != svf_para.runtest_run_state) { retval = svf_add_statemove(svf_para.runtest_run_state); } // call jtag_add_clocks jtag_add_clocks(run_count); // move to end_state if necessary if (svf_para.runtest_end_state != svf_para.runtest_run_state) { retval = svf_add_statemove(svf_para.runtest_end_state); } #else if (svf_para.runtest_run_state != TAP_IDLE) { LOG_ERROR("cannot runtest in %s state", tap_state_name(svf_para.runtest_run_state)); return ERROR_FAIL; } jtag_add_runtest(run_count, svf_para.runtest_end_state); #endif } } else { LOG_ERROR("fail to parse parameter of RUNTEST, %d out of %d is parsed", i, num_of_argu); return ERROR_FAIL; } break; case STATE: // STATE [pathstate1 [pathstate2 ...[pathstaten]]] stable_state if (num_of_argu < 2) { LOG_ERROR("invalid parameter of %s", argus[0]); return ERROR_FAIL; } if (num_of_argu > 2) { // STATE pathstate1 ... stable_state path = (tap_state_t *)malloc((num_of_argu - 1) * sizeof(tap_state_t)); if (NULL == path) { LOG_ERROR("not enough memory"); return ERROR_FAIL; } num_of_argu--; // num of path i_tmp = 1; /* path is from parameter 1 */ for (i = 0; i < num_of_argu; i++, i_tmp++) { path[i] = tap_state_by_name(argus[i_tmp]); if (path[i] == TAP_INVALID) { LOG_ERROR("%s: %s is not a valid state", argus[0], argus[i_tmp]); free(path); return ERROR_FAIL; } /* OpenOCD refuses paths containing TAP_RESET */ if (TAP_RESET == path[i]) { /* FIXME last state MUST be stable! */ if (i > 0) { jtag_add_pathmove(i, path); } jtag_add_tlr(); num_of_argu -= i + 1; i = -1; } } if (num_of_argu > 0) { // execute last path if necessary if (svf_tap_state_is_stable(path[num_of_argu - 1])) { // last state MUST be stable state jtag_add_pathmove(num_of_argu, path); LOG_DEBUG("\tmove to %s by path_move", tap_state_name(path[num_of_argu - 1])); } else { LOG_ERROR("%s: %s is not a stable state", argus[0], tap_state_name(path[num_of_argu - 1])); free(path); return ERROR_FAIL; } } // no need to keep this memory, in jtag_add_pathmove, path will be duplicated if (NULL != path) { free(path); path = NULL; } } else { // STATE stable_state state = tap_state_by_name(argus[1]); if (svf_tap_state_is_stable(state)) { LOG_DEBUG("\tmove to %s by svf_add_statemove", tap_state_name(state)); /* FIXME handle statemove failures */ svf_add_statemove(state); } else { LOG_ERROR("%s: %s is not a stable state", argus[0], tap_state_name(state)); return ERROR_FAIL; } } break; case TRST: // TRST trst_mode if (num_of_argu != 2) { LOG_ERROR("invalid parameter of %s", argus[0]); return ERROR_FAIL; } if (svf_para.trst_mode != TRST_ABSENT) { if (ERROR_OK != svf_execute_tap()) { return ERROR_FAIL; } i_tmp = svf_find_string_in_array(argus[1], (char **)svf_trst_mode_name, DIM(svf_trst_mode_name)); switch (i_tmp) { case TRST_ON: jtag_add_reset(1, 0); break; case TRST_Z: case TRST_OFF: jtag_add_reset(0, 0); break; case TRST_ABSENT: break; default: LOG_ERROR("unknown TRST mode: %s", argus[1]); return ERROR_FAIL; } svf_para.trst_mode = i_tmp; LOG_DEBUG("\ttrst_mode = %s", svf_trst_mode_name[svf_para.trst_mode]); } else { LOG_ERROR("can not accpet TRST command if trst_mode is ABSENT"); return ERROR_FAIL; } break; default: LOG_ERROR("invalid svf command: %s", argus[0]); return ERROR_FAIL; break; } if (debug_level >= LOG_LVL_DEBUG) { // for convenient debugging, execute tap if possible if ((svf_buffer_index > 0) && \ (((command != STATE) && (command != RUNTEST)) || \ ((command == STATE) && (num_of_argu == 2)))) { if (ERROR_OK != svf_execute_tap()) { return ERROR_FAIL; } // output debug info if ((SIR == command) || (SDR == command)) { int read_value; memcpy(&read_value, svf_tdi_buffer, sizeof(int)); // in debug mode, data is from index 0 int read_mask = svf_get_mask_u32(svf_check_tdo_para[0].bit_len); LOG_DEBUG("\tTDO read = 0x%X", read_value & read_mask); } } } else { // for fast executing, execute tap if necessary // half of the buffer is for the next command if (((svf_buffer_index >= SVF_MAX_BUFFER_SIZE_TO_COMMIT) || (svf_check_tdo_para_index >= SVF_CHECK_TDO_PARA_SIZE / 2)) && \ (((command != STATE) && (command != RUNTEST)) || \ ((command == STATE) && (num_of_argu == 2)))) { return svf_execute_tap(); } } return ERROR_OK; } 94 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 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