|
- /***************************************************************************
- * 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, see <http://www.gnu.org/licenses/>. *
- ***************************************************************************/
-
- /* The specification for SVF is available here:
- * http://www.asset-intertech.com/support/svf.pdf
- * Below, this document is referred 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 referred to as the "XSVF spec".
- */
-
- #ifdef HAVE_CONFIG_H
- #include "config.h"
- #endif
-
- #include <jtag/jtag.h>
- #include "svf.h"
- #include "helper/system.h"
- #include <helper/time_support.h>
-
- /* SVF command */
- enum svf_command {
- ENDDR,
- ENDIR,
- FREQUENCY,
- HDR,
- HIR,
- PIO,
- PIOMAP,
- RUNTEST,
- SDR,
- SIR,
- STATE,
- TDR,
- TIR,
- TRST,
- };
-
- static const char *svf_command_name[14] = {
- "ENDDR",
- "ENDIR",
- "FREQUENCY",
- "HDR",
- "HIR",
- "PIO",
- "PIOMAP",
- "RUNTEST",
- "SDR",
- "SIR",
- "STATE",
- "TDR",
- "TIR",
- "TRST"
- };
-
- enum trst_mode {
- TRST_ON,
- TRST_OFF,
- TRST_Z,
- TRST_ABSENT
- };
-
- static const char *svf_trst_mode_name[4] = {
- "ON",
- "OFF",
- "Z",
- "ABSENT"
- };
-
- struct svf_statemove {
- tap_state_t from;
- tap_state_t to;
- uint32_t num_of_moves;
- tap_state_t paths[8];
- };
-
- /*
- * 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 struct svf_statemove 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)
- struct svf_xxr_para {
- int len;
- int data_mask;
- uint8_t *tdi;
- uint8_t *tdo;
- uint8_t *mask;
- uint8_t *smask;
- };
-
- struct svf_para {
- 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;
- enum trst_mode trst_mode;
-
- struct svf_xxr_para hir_para;
- struct svf_xxr_para hdr_para;
- struct svf_xxr_para tir_para;
- struct svf_xxr_para tdr_para;
- struct svf_xxr_para sir_para;
- struct svf_xxr_para sdr_para;
- };
-
- static struct svf_para svf_para;
- static const struct svf_para 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},
- };
-
- struct svf_check_tdo_para {
- 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 */
- };
-
- #define SVF_CHECK_TDO_PARA_SIZE 1024
- static struct svf_check_tdo_para *svf_check_tdo_para;
- static int svf_check_tdo_para_index;
-
- static int svf_read_command_from_file(FILE *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 *cmd_ctx, char *cmd_str);
- static int svf_execute_tap(void);
-
- static FILE *svf_fd;
- static char *svf_read_line;
- static size_t svf_read_line_size;
- static char *svf_command_buffer;
- static size_t svf_command_buffer_size;
- static int svf_line_number;
- static int svf_getline(char **lineptr, size_t *n, FILE *stream);
-
- #define SVF_MAX_BUFFER_SIZE_TO_COMMIT (1024 * 1024)
- static uint8_t *svf_tdi_buffer, *svf_tdo_buffer, *svf_mask_buffer;
- static int svf_buffer_index, svf_buffer_size;
- static int svf_quiet;
- static int svf_nil;
- static int svf_ignore_error;
-
- /* Targeting particular tap */
- static int svf_tap_is_specified;
- static int svf_set_padding(struct svf_xxr_para *para, int len, unsigned char tdi);
-
- /* Progress Indicator */
- static int svf_progress_enabled;
- static long svf_total_lines;
- static int svf_percentage;
- static int svf_last_printed_percentage = -1;
-
- /*
- * macro is used to print the svf hex buffer at desired debug level
- * DEBUG, INFO, ERROR, USER
- */
- #define SVF_BUF_LOG(_lvl, _buf, _nbits, _desc) \
- svf_hexbuf_print(LOG_LVL_##_lvl, __FILE__, __LINE__, __func__, _buf, _nbits, _desc)
-
- static void svf_hexbuf_print(int dbg_lvl, const char *file, unsigned line,
- const char *function, const uint8_t *buf,
- int bit_len, const char *desc)
- {
- int j, len = 0;
- int byte_len = DIV_ROUND_UP(bit_len, 8);
- int msbits = bit_len % 8;
-
- /* allocate 2 bytes per hex digit */
- char *prbuf = malloc((byte_len * 2) + 2 + 1);
- if (!prbuf)
- return;
-
- /* print correct number of bytes, mask excess bits where applicable */
- uint8_t msb = buf[byte_len - 1] & (msbits ? (1 << msbits) - 1 : 0xff);
- len = sprintf(prbuf, msbits <= 4 ? "0x%01"PRIx8 : "0x%02"PRIx8, msb);
- for (j = byte_len - 2; j >= 0; j--)
- len += sprintf(prbuf + len, "%02"PRIx8, buf[j]);
-
- log_printf_lf(dbg_lvl, file, line, function, "%8s = %s", desc ? desc : " ", prbuf);
-
- free(prbuf);
- }
-
- static int svf_realloc_buffers(size_t len)
- {
- void *ptr;
-
- if (svf_execute_tap() != ERROR_OK)
- return ERROR_FAIL;
-
- ptr = realloc(svf_tdi_buffer, len);
- if (!ptr)
- return ERROR_FAIL;
- svf_tdi_buffer = ptr;
-
- ptr = realloc(svf_tdo_buffer, len);
- if (!ptr)
- return ERROR_FAIL;
- svf_tdo_buffer = ptr;
-
- ptr = realloc(svf_mask_buffer, len);
- if (!ptr)
- return ERROR_FAIL;
- svf_mask_buffer = ptr;
-
- svf_buffer_size = len;
-
- return ERROR_OK;
- }
-
- static void svf_free_xxd_para(struct svf_xxr_para *para)
- {
- if (para) {
- free(para->tdi);
- para->tdi = NULL;
-
- free(para->tdo);
- para->tdo = NULL;
-
- free(para->mask);
- para->mask = NULL;
-
- free(para->smask);
- para->smask = NULL;
- }
- }
-
- int svf_add_statemove(tap_state_t state_to)
- {
- tap_state_t state_from = cmd_queue_cur_state;
- unsigned index_var;
-
- /* when resetting, be paranoid and ignore current state */
- if (state_to == TAP_RESET) {
- if (svf_nil)
- return ERROR_OK;
-
- jtag_add_tlr();
- return ERROR_OK;
- }
-
- for (index_var = 0; index_var < ARRAY_SIZE(svf_statemoves); index_var++) {
- if ((svf_statemoves[index_var].from == state_from)
- && (svf_statemoves[index_var].to == state_to)) {
- if (svf_nil)
- continue;
- /* recorded path includes current state ... avoid
- *extra TCKs! */
- if (svf_statemoves[index_var].num_of_moves > 1)
- jtag_add_pathmove(svf_statemoves[index_var].num_of_moves - 1,
- svf_statemoves[index_var].paths + 1);
- else
- jtag_add_pathmove(svf_statemoves[index_var].num_of_moves,
- svf_statemoves[index_var].paths);
- return ERROR_OK;
- }
- }
- LOG_ERROR("SVF: can not move to %s", tap_state_name(state_to));
- return ERROR_FAIL;
- }
-
- COMMAND_HANDLER(handle_svf_command)
- {
- #define SVF_MIN_NUM_OF_OPTIONS 1
- #define SVF_MAX_NUM_OF_OPTIONS 5
- int command_num = 0;
- int ret = ERROR_OK;
- int64_t time_measure_ms;
- int time_measure_s, time_measure_m;
-
- /* use NULL to indicate a "plain" svf file which accounts for
- * any additional devices in the scan chain, otherwise the device
- * that should be affected
- */
- struct jtag_tap *tap = NULL;
-
- if ((CMD_ARGC < SVF_MIN_NUM_OF_OPTIONS) || (CMD_ARGC > SVF_MAX_NUM_OF_OPTIONS))
- return ERROR_COMMAND_SYNTAX_ERROR;
-
- /* parse command line */
- svf_quiet = 0;
- svf_nil = 0;
- svf_progress_enabled = 0;
- svf_ignore_error = 0;
- for (unsigned int i = 0; i < CMD_ARGC; i++) {
- if (strcmp(CMD_ARGV[i], "-tap") == 0) {
- tap = jtag_tap_by_string(CMD_ARGV[i+1]);
- if (!tap) {
- command_print(CMD, "Tap: %s unknown", CMD_ARGV[i+1]);
- return ERROR_FAIL;
- }
- i++;
- } else if ((strcmp(CMD_ARGV[i],
- "quiet") == 0) || (strcmp(CMD_ARGV[i], "-quiet") == 0))
- svf_quiet = 1;
- else if ((strcmp(CMD_ARGV[i], "nil") == 0) || (strcmp(CMD_ARGV[i], "-nil") == 0))
- svf_nil = 1;
- else if ((strcmp(CMD_ARGV[i],
- "progress") == 0) || (strcmp(CMD_ARGV[i], "-progress") == 0))
- svf_progress_enabled = 1;
- else if ((strcmp(CMD_ARGV[i],
- "ignore_error") == 0) || (strcmp(CMD_ARGV[i], "-ignore_error") == 0))
- svf_ignore_error = 1;
- else {
- svf_fd = fopen(CMD_ARGV[i], "r");
- if (!svf_fd) {
- int err = errno;
- command_print(CMD, "open(\"%s\"): %s", CMD_ARGV[i], strerror(err));
- /* no need to free anything now */
- return ERROR_COMMAND_SYNTAX_ERROR;
- } else
- LOG_USER("svf processing file: \"%s\"", CMD_ARGV[i]);
- }
- }
-
- if (!svf_fd)
- return ERROR_COMMAND_SYNTAX_ERROR;
-
- /* get time */
- time_measure_ms = timeval_ms();
-
- /* init */
- svf_line_number = 0;
- svf_command_buffer_size = 0;
-
- svf_check_tdo_para_index = 0;
- svf_check_tdo_para = malloc(sizeof(struct svf_check_tdo_para) * SVF_CHECK_TDO_PARA_SIZE);
- if (!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 committed, 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 */
- if (svf_realloc_buffers(2 * SVF_MAX_BUFFER_SIZE_TO_COMMIT) != ERROR_OK) {
- ret = ERROR_FAIL;
- goto free_all;
- }
-
- memcpy(&svf_para, &svf_para_init, sizeof(svf_para));
-
- if (!svf_nil) {
- /* TAP_RESET */
- jtag_add_tlr();
- }
-
- if (tap) {
- /* Tap is specified, set header/trailer paddings */
- int header_ir_len = 0, header_dr_len = 0, trailer_ir_len = 0, trailer_dr_len = 0;
- struct jtag_tap *check_tap;
-
- svf_tap_is_specified = 1;
-
- for (check_tap = jtag_all_taps(); check_tap; check_tap = check_tap->next_tap) {
- if (check_tap->abs_chain_position < tap->abs_chain_position) {
- /* Header */
- header_ir_len += check_tap->ir_length;
- header_dr_len++;
- } else if (check_tap->abs_chain_position > tap->abs_chain_position) {
- /* Trailer */
- trailer_ir_len += check_tap->ir_length;
- trailer_dr_len++;
- }
- }
-
- /* HDR %d TDI (0) */
- if (ERROR_OK != svf_set_padding(&svf_para.hdr_para, header_dr_len, 0)) {
- LOG_ERROR("failed to set data header");
- return ERROR_FAIL;
- }
-
- /* HIR %d TDI (0xFF) */
- if (ERROR_OK != svf_set_padding(&svf_para.hir_para, header_ir_len, 0xFF)) {
- LOG_ERROR("failed to set instruction header");
- return ERROR_FAIL;
- }
-
- /* TDR %d TDI (0) */
- if (ERROR_OK != svf_set_padding(&svf_para.tdr_para, trailer_dr_len, 0)) {
- LOG_ERROR("failed to set data trailer");
- return ERROR_FAIL;
- }
-
- /* TIR %d TDI (0xFF) */
- if (ERROR_OK != svf_set_padding(&svf_para.tir_para, trailer_ir_len, 0xFF)) {
- LOG_ERROR("failed to set instruction trailer");
- return ERROR_FAIL;
- }
- }
-
- if (svf_progress_enabled) {
- /* Count total lines in file. */
- while (!feof(svf_fd)) {
- svf_getline(&svf_command_buffer, &svf_command_buffer_size, svf_fd);
- svf_total_lines++;
- }
- rewind(svf_fd);
- }
- while (ERROR_OK == svf_read_command_from_file(svf_fd)) {
- /* Log Output */
- if (svf_quiet) {
- if (svf_progress_enabled) {
- svf_percentage = ((svf_line_number * 20) / svf_total_lines) * 5;
- if (svf_last_printed_percentage != svf_percentage) {
- LOG_USER_N("\r%d%% ", svf_percentage);
- svf_last_printed_percentage = svf_percentage;
- }
- }
- } else {
- if (svf_progress_enabled) {
- svf_percentage = ((svf_line_number * 20) / svf_total_lines) * 5;
- LOG_USER_N("%3d%% %s", svf_percentage, svf_read_line);
- } else
- LOG_USER_N("%s", svf_read_line);
- }
- /* Run Command */
- 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 ((!svf_nil) && (ERROR_OK != jtag_execute_queue()))
- ret = ERROR_FAIL;
- else if (ERROR_OK != svf_check_tdo())
- ret = ERROR_FAIL;
-
- /* print time */
- time_measure_ms = timeval_ms() - time_measure_ms;
- time_measure_s = time_measure_ms / 1000;
- time_measure_ms %= 1000;
- time_measure_m = time_measure_s / 60;
- time_measure_s %= 60;
- if (time_measure_ms < 1000)
- command_print(CMD,
- "\r\nTime used: %dm%ds%" PRId64 "ms ",
- time_measure_m,
- time_measure_s,
- time_measure_ms);
-
- free_all:
-
- fclose(svf_fd);
- svf_fd = 0;
-
- /* free buffers */
- free(svf_command_buffer);
- svf_command_buffer = NULL;
- svf_command_buffer_size = 0;
-
- free(svf_check_tdo_para);
- svf_check_tdo_para = NULL;
- svf_check_tdo_para_index = 0;
-
- free(svf_tdi_buffer);
- svf_tdi_buffer = NULL;
-
- free(svf_tdo_buffer);
- svf_tdo_buffer = NULL;
-
- 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 (ret == ERROR_OK)
- command_print(CMD,
- "svf file programmed %s for %d commands with %d errors",
- (svf_ignore_error > 1) ? "unsuccessfully" : "successfully",
- command_num,
- (svf_ignore_error > 1) ? (svf_ignore_error - 1) : 0);
- else
- command_print(CMD, "svf file programmed failed");
-
- svf_ignore_error = 0;
- return ret;
- }
-
- static int svf_getline(char **lineptr, size_t *n, FILE *stream)
- {
- #define MIN_CHUNK 16 /* Buffer is increased by this size each time as required */
- size_t i = 0;
-
- if (!*lineptr) {
- *n = MIN_CHUNK;
- *lineptr = malloc(*n);
- if (!*lineptr)
- return -1;
- }
-
- (*lineptr)[0] = fgetc(stream);
- while ((*lineptr)[i] != '\n') {
- (*lineptr)[++i] = fgetc(stream);
- if (feof(stream)) {
- (*lineptr)[0] = 0;
- return -1;
- }
- if ((i + 2) > *n) {
- *n += MIN_CHUNK;
- *lineptr = realloc(*lineptr, *n);
- }
- }
-
- (*lineptr)[++i] = 0;
-
- return sizeof(*lineptr);
- }
-
- #define SVFP_CMD_INC_CNT 1024
- static int svf_read_command_from_file(FILE *fd)
- {
- unsigned char ch;
- int i = 0;
- size_t cmd_pos = 0;
- int cmd_ok = 0, slash = 0;
-
- if (svf_getline(&svf_read_line, &svf_read_line_size, svf_fd) <= 0)
- return ERROR_FAIL;
- svf_line_number++;
- ch = svf_read_line[0];
- while (!cmd_ok && (ch != 0)) {
- switch (ch) {
- case '!':
- slash = 0;
- if (svf_getline(&svf_read_line, &svf_read_line_size, svf_fd) <= 0)
- return ERROR_FAIL;
- svf_line_number++;
- i = -1;
- break;
- case '/':
- if (++slash == 2) {
- slash = 0;
- if (svf_getline(&svf_read_line, &svf_read_line_size,
- svf_fd) <= 0)
- return ERROR_FAIL;
- svf_line_number++;
- i = -1;
- }
- break;
- case ';':
- slash = 0;
- cmd_ok = 1;
- break;
- case '\n':
- svf_line_number++;
- if (svf_getline(&svf_read_line, &svf_read_line_size, svf_fd) <= 0)
- return ERROR_FAIL;
- i = -1;
- /* fallthrough */
- case '\r':
- slash = 0;
- /* Don't save '\r' and '\n' if no data is parsed */
- if (!cmd_pos)
- break;
- /* fallthrough */
- default:
- /* The parsing code currently expects a space
- * before parentheses -- "TDI (123)". Also a
- * space afterwards -- "TDI (123) TDO(456)".
- * But such spaces are optional... instead of
- * parser updates, cope with that by adding the
- * spaces as needed.
- *
- * Ensure there are 3 bytes available, for:
- * - current character
- * - added space.
- * - terminating NUL ('\0')
- */
- if (cmd_pos + 3 > svf_command_buffer_size) {
- svf_command_buffer = realloc(svf_command_buffer, cmd_pos + 3);
- svf_command_buffer_size = cmd_pos + 3;
- if (!svf_command_buffer) {
- LOG_ERROR("not enough memory");
- return ERROR_FAIL;
- }
- }
-
- /* insert a space before '(' */
- if ('(' == ch)
- svf_command_buffer[cmd_pos++] = ' ';
-
- svf_command_buffer[cmd_pos++] = (char)toupper(ch);
-
- /* insert a space after ')' */
- if (')' == ch)
- svf_command_buffer[cmd_pos++] = ' ';
- break;
- }
- ch = svf_read_line[++i];
- }
-
- 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, in_bracket = 0;
-
- while (pos < len) {
- switch (str[pos]) {
- case '!':
- case '/':
- LOG_ERROR("fail to parse svf command");
- return ERROR_FAIL;
- case '(':
- in_bracket = 1;
- goto parse_char;
- case ')':
- in_bracket = 0;
- goto parse_char;
- default:
- parse_char:
- if (!in_bracket && isspace((int) str[pos])) {
- space_found = 1;
- str[pos] = '\0';
- } else if (space_found) {
- argus[num++] = &str[pos];
- space_found = 0;
- }
- break;
- }
- pos++;
- }
-
- if (num == 0)
- return ERROR_FAIL;
-
- *num_of_argu = num;
-
- return ERROR_OK;
- }
-
- bool svf_tap_state_is_stable(tap_state_t state)
- {
- return (state == TAP_RESET) || (state == TAP_IDLE)
- || (state == TAP_DRPAUSE) || (state == TAP_IRPAUSE);
- }
-
- 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))) {
- free(*arr);
- *arr = calloc(1, new_byte_len);
- if (NULL == *arr) {
- LOG_ERROR("not enough memory");
- return ERROR_FAIL;
- }
- }
- return ERROR_OK;
- }
-
- static int svf_set_padding(struct svf_xxr_para *para, int len, unsigned char tdi)
- {
- int error = ERROR_OK;
- error |= svf_adjust_array_length(¶->tdi, para->len, len);
- memset(para->tdi, tdi, (len + 7) >> 3);
- error |= svf_adjust_array_length(¶->tdo, para->len, len);
- error |= svf_adjust_array_length(¶->mask, para->len, len);
- para->len = len;
- para->data_mask = XXR_TDI;
-
- return error;
- }
-
- 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;
- }
-
- /* fill from LSB (end of str) to MSB (beginning of str) */
- for (i = 0; i < str_hbyte_len; i++) {
- ch = 0;
- while (str_len > 0) {
- ch = str[--str_len];
-
- /* Skip whitespace. The SVF specification (rev E) is
- * deficient in terms of basic lexical issues like
- * where whitespace is allowed. Long bitstrings may
- * require line ends for correctness, since there is
- * a hard limit on line length.
- */
- if (!isspace(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' MSBs or whitespace */
- while (str_len > 0 && ((str[str_len - 1] == '0')
- || isspace((int) str[str_len - 1])))
- str_len--;
-
- /* check validity: we must have consumed everything */
- if (str_len > 0 || (ch & ~((2 << ((bit_len - 1) % 4)) - 1)) != 0) {
- LOG_ERROR("value exceeds length");
- return ERROR_FAIL;
- }
-
- return ERROR_OK;
- }
-
- static int svf_check_tdo(void)
- {
- int i, len, index_var;
-
- for (i = 0; i < svf_check_tdo_para_index; i++) {
- index_var = 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_var], &svf_tdo_buffer[index_var],
- &svf_mask_buffer[index_var], len)) {
- LOG_ERROR("tdo check error at line %d",
- svf_check_tdo_para[i].line_num);
- SVF_BUF_LOG(ERROR, &svf_tdi_buffer[index_var], len, "READ");
- SVF_BUF_LOG(ERROR, &svf_tdo_buffer[index_var], len, "WANT");
- SVF_BUF_LOG(ERROR, &svf_mask_buffer[index_var], len, "MASK");
-
- if (svf_ignore_error == 0)
- return ERROR_FAIL;
- else
- svf_ignore_error++;
- }
- }
- 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 ((!svf_nil) && (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 *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;
- /* for XXR */
- struct svf_xxr_para *xxr_para_tmp;
- uint8_t **pbuffer_tmp;
- struct scan_field field;
- /* for STATE */
- tap_state_t *path = NULL, state;
- /* flag padding commands skipped due to -tap command */
- int padding_command_skipped = 0;
-
- 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, ARRAY_SIZE(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,
- "adapter speed %d",
- (int)svf_para.frequency / 1000);
- LOG_DEBUG("\tfrequency = %f", svf_para.frequency);
- }
- }
- break;
- case HDR:
- if (svf_tap_is_specified) {
- padding_command_skipped = 1;
- break;
- }
- xxr_para_tmp = &svf_para.hdr_para;
- goto xxr_common;
- case HIR:
- if (svf_tap_is_specified) {
- padding_command_skipped = 1;
- break;
- }
- xxr_para_tmp = &svf_para.hir_para;
- goto xxr_common;
- case TDR:
- if (svf_tap_is_specified) {
- padding_command_skipped = 1;
- break;
- }
- xxr_para_tmp = &svf_para.tdr_para;
- goto xxr_common;
- case TIR:
- if (svf_tap_is_specified) {
- padding_command_skipped = 1;
- break;
- }
- 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]);
- /* If we are to enlarge the buffers, all parts of xxr_para_tmp
- * need to be freed */
- if (i_tmp < xxr_para_tmp->len) {
- free(xxr_para_tmp->tdi);
- xxr_para_tmp->tdi = NULL;
- free(xxr_para_tmp->tdo);
- xxr_para_tmp->tdo = NULL;
- free(xxr_para_tmp->mask);
- xxr_para_tmp->mask = NULL;
- free(xxr_para_tmp->smask);
- xxr_para_tmp->smask = NULL;
- }
-
- 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("unknown 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;
- }
- SVF_BUF_LOG(DEBUG, *pbuffer_tmp, xxr_para_tmp->len, argus[i]);
- }
- /* 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 (!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 (!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 (command == SDR) {
- /* 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)) {
- /* reallocate buffer */
- if (svf_realloc_buffers(svf_buffer_index + ((i + 7) >> 3)) != ERROR_OK) {
- LOG_ERROR("not enough memory");
- return ERROR_FAIL;
- }
- }
-
- /* 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);
-
- /* 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.num_bits = i;
- field.out_value = &svf_tdi_buffer[svf_buffer_index];
- field.in_value = (xxr_para_tmp->data_mask & XXR_TDO) ? &svf_tdi_buffer[svf_buffer_index] : NULL;
- if (!svf_nil) {
- /* NOTE: doesn't use SVF-specified state paths */
- jtag_add_plain_dr_scan(field.num_bits,
- field.out_value,
- field.in_value,
- svf_para.dr_end_state);
- }
-
- svf_buffer_index += (i + 7) >> 3;
- } else if (command == SIR) {
- /* 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 (svf_realloc_buffers(svf_buffer_index + ((i + 7) >> 3)) != ERROR_OK) {
- LOG_ERROR("not enough memory");
- return ERROR_FAIL;
- }
- }
-
- /* 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);
-
- /* 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.num_bits = i;
- field.out_value = &svf_tdi_buffer[svf_buffer_index];
- field.in_value = (xxr_para_tmp->data_mask & XXR_TDO) ? &svf_tdi_buffer[svf_buffer_index] : NULL;
- if (!svf_nil) {
- /* NOTE: doesn't use SVF-specified state paths */
- jtag_add_plain_ir_scan(field.num_bits,
- field.out_value,
- field.in_value,
- 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;
- 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;
- 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")) {
- float max_time = 0;
- 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;
- }
-
- /* all parameter should be parsed */
- if (i == num_of_argu) {
- #if 1
- /* FIXME handle statemove failures */
- uint32_t min_usec = 1000000 * min_time;
-
- /* enter into run_state if necessary */
- if (cmd_queue_cur_state != svf_para.runtest_run_state)
- svf_add_statemove(svf_para.runtest_run_state);
-
- /* add clocks and/or min wait */
- if (run_count > 0) {
- if (!svf_nil)
- jtag_add_clocks(run_count);
- }
-
- if (min_usec > 0) {
- if (!svf_nil)
- jtag_add_sleep(min_usec);
- }
-
- /* move to end_state if necessary */
- if (svf_para.runtest_end_state != svf_para.runtest_run_state)
- 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;
- }
-
- if (!svf_nil)
- 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 = malloc((num_of_argu - 1) * sizeof(tap_state_t));
- if (!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) {
- if (!svf_nil)
- jtag_add_pathmove(i, path);
- }
- if (!svf_nil)
- 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 */
- if (!svf_nil)
- 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;
- }
- }
-
- 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,
- ARRAY_SIZE(svf_trst_mode_name));
- switch (i_tmp) {
- case TRST_ON:
- if (!svf_nil)
- jtag_add_reset(1, 0);
- break;
- case TRST_Z:
- case TRST_OFF:
- if (!svf_nil)
- 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 accept TRST command if trst_mode is ABSENT");
- return ERROR_FAIL;
- }
- break;
- default:
- LOG_ERROR("invalid svf command: %s", argus[0]);
- return ERROR_FAIL;
- }
-
- if (!svf_quiet) {
- if (padding_command_skipped)
- LOG_USER("(Above Padding command skipped, as per -tap argument)");
- }
-
- 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 ((command == SIR) || (command == SDR))
- SVF_BUF_LOG(DEBUG, svf_tdi_buffer, svf_check_tdo_para[0].bit_len, "TDO read");
- }
- } 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;
- }
-
- static const struct command_registration svf_command_handlers[] = {
- {
- .name = "svf",
- .handler = handle_svf_command,
- .mode = COMMAND_EXEC,
- .help = "Runs a SVF file.",
- .usage = "[-tap device.tap] <file> [quiet] [nil] [progress] [ignore_error]",
- },
- COMMAND_REGISTRATION_DONE
- };
-
- int svf_register_commands(struct command_context *cmd_ctx)
- {
- return register_commands(cmd_ctx, NULL, svf_command_handlers);
- }
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