-/***************************************************************************
- * 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. *
- ***************************************************************************/
+/*
+ * 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:
#include "config.h"
#endif
+#include <jtag/jtag.h>
#include "svf.h"
+#include <helper/time_support.h>
-#include "jtag.h"
-#include "command.h"
-#include "log.h"
-
-#include <ctype.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <string.h>
-
-#include <sys/time.h>
-#include <time.h>
// SVF command
typedef enum
TRST,
}svf_command_t;
-const char *svf_command_name[14] =
+static const char *svf_command_name[14] =
{
"ENDDR",
"ENDIR",
TRST_ABSENT
}trst_mode_t;
-const char *svf_trst_mode_name[4] =
+static const char *svf_trst_mode_name[4] =
{
"ON",
"OFF",
"ABSENT"
};
-char *svf_tap_state_name[16];
+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)
-typedef struct
+struct svf_xxr_para
{
int len;
int data_mask;
- u8 *tdi;
- u8 *tdo;
- u8 *mask;
- u8 *smask;
-}svf_xxr_para_t;
+ uint8_t *tdi;
+ uint8_t *tdo;
+ uint8_t *mask;
+ uint8_t *smask;
+};
-typedef struct
+struct svf_para
{
float frequency;
tap_state_t ir_end_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;
+ 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;
+};
-svf_para_t svf_para;
-const svf_para_t svf_para_init =
+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,
{0, 0, NULL, NULL, NULL, NULL},
};
-typedef struct
+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
-}svf_check_tdo_para_t;
+};
#define SVF_CHECK_TDO_PARA_SIZE 1024
-static svf_check_tdo_para_t *svf_check_tdo_para = NULL;
+static struct svf_check_tdo_para *svf_check_tdo_para = NULL;
static int svf_check_tdo_para_index = 0;
-#define dimof(a) (sizeof(a) / sizeof((a)[0]))
-
static int svf_read_command_from_file(int fd);
static int svf_check_tdo(void);
-static int svf_add_check_para(u8 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_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_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;
+static struct jtag_tap *tap = NULL;
#define SVF_MAX_BUFFER_SIZE_TO_COMMIT (4 * 1024)
-static u8 *svf_tdi_buffer = NULL, *svf_tdo_buffer = NULL, *svf_mask_buffer = NULL;
+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 <file>");
-
- return ERROR_OK;
-}
-
-void svf_free_xxd_para(svf_xxr_para_t *para)
+static void svf_free_xxd_para(struct svf_xxr_para *para)
{
if (NULL != para)
{
}
}
-static int handle_svf_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+static unsigned svf_get_mask_u32(int bitlen)
{
- int command_num = 0, i;
+ 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 < ARRAY_SIZE(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;
+}
+
+COMMAND_HANDLER(handle_svf_command)
+{
+#define SVF_NUM_OF_OPTIONS 1
+ int command_num = 0;
int ret = ERROR_OK;
+ long long time_ago;
- if (argc < 1)
+ if ((CMD_ARGC < 1) || (CMD_ARGC > (1 + SVF_NUM_OF_OPTIONS)))
{
- command_print(cmd_ctx, "usage: svf <file>");
+ command_print(CMD_CTX, "usage: svf <file> [quiet]");
return ERROR_FAIL;
}
- if ((svf_fd = open(args[0], O_RDONLY)) < 0)
+ // parse variant
+ svf_quiet = 0;
+ for (unsigned i = 1; i < CMD_ARGC; i++)
+ {
+ if (!strcmp(CMD_ARGV[i], "quiet"))
+ {
+ svf_quiet = 1;
+ }
+ else
+ {
+ LOG_ERROR("unknown variant for svf: %s", CMD_ARGV[i]);
+
+ // no need to free anything now
+ return ERROR_FAIL;
+ }
+ }
+
+ if ((svf_fd = open(CMD_ARGV[0], O_RDONLY)) < 0)
{
- command_print(cmd_ctx, "file \"%s\" not found", args[0]);
+ command_print(CMD_CTX, "file \"%s\" not found", CMD_ARGV[0]);
+
+ // no need to free anything now
return ERROR_FAIL;
}
- LOG_USER("svf processing file: \"%s\"", args[0]);
+ LOG_USER("svf processing file: \"%s\"", CMD_ARGV[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);
+ svf_check_tdo_para = malloc(sizeof(struct svf_check_tdo_para) * SVF_CHECK_TDO_PARA_SIZE);
if (NULL == svf_check_tdo_para)
{
LOG_ERROR("not enough memory");
// 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 = (u8 *)malloc(2 * SVF_MAX_BUFFER_SIZE_TO_COMMIT);
+ 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 = (u8 *)malloc(2 * SVF_MAX_BUFFER_SIZE_TO_COMMIT);
+ 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 = (u8 *)malloc(2 * SVF_MAX_BUFFER_SIZE_TO_COMMIT);
+ svf_mask_buffer = (uint8_t *)malloc(2 * SVF_MAX_BUFFER_SIZE_TO_COMMIT);
if (NULL == svf_mask_buffer)
{
LOG_ERROR("not enough memory");
svf_buffer_size = 2 * SVF_MAX_BUFFER_SIZE_TO_COMMIT;
memcpy(&svf_para, &svf_para_init, sizeof(svf_para));
- for (i = 0; i < dimof(svf_tap_state_name); i++)
- {
- svf_tap_state_name[i] = (char *)jtag_state_name(i);
- }
+
// TAP_RESET
jtag_add_tlr();
- while ( ERROR_OK == svf_read_command_from_file(svf_fd) )
+ while (ERROR_OK == svf_read_command_from_file(svf_fd))
{
- if (ERROR_OK != svf_run_command(cmd_ctx, svf_command_buffer))
+ 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;
ret = ERROR_FAIL;
}
+ // print time
+ command_print(CMD_CTX, "%lld ms used", timeval_ms() - time_ago);
+
free_all:
close(svf_fd);
if (ERROR_OK == ret)
{
- command_print(cmd_ctx, "svf file programmed successfully for %d commands", command_num);
+ command_print(CMD_CTX, "svf file programmed successfully for %d commands", command_num);
}
else
{
- command_print(cmd_ctx, "svf file programmed failed");
+ 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;
+ unsigned char ch;
+ char *tmp_buffer = NULL;
int cmd_pos = 0, cmd_ok = 0, slash = 0, comment = 0;
- while (!cmd_ok && (read(fd, &ch, 1) > 0) )
+ while (!cmd_ok && (read(fd, &ch, 1) > 0))
{
- switch(ch)
+ switch (ch)
{
case '!':
slash = 0;
while (pos < len)
{
- switch(str[pos])
+ switch (str[pos])
{
case '\n':
case '\r':
return ERROR_OK;
}
-static int svf_tap_state_is_stable(tap_state_t state)
+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_tap_state_is_valid(tap_state_t state)
-{
- return ((state >= 0) && (state < sizeof(svf_tap_state_name)));
+ 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)
return 0xFF;
}
-static int svf_adjust_array_length(u8 **arr, int orig_bit_len, int new_bit_len)
+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;
free(*arr);
*arr = NULL;
}
- *arr = (u8*)malloc(new_byte_len);
+ *arr = (uint8_t*)malloc(new_byte_len);
if (NULL == *arr)
{
LOG_ERROR("not enough memory");
return ERROR_OK;
}
-static int svf_copy_hexstring_to_binary(char *str, u8 **bin, int orig_bit_len, int bit_len)
+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_byte_len = (bit_len + 3) >> 2, loop_cnt;
- u8 ch, need_write = 1;
+ 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))
{
return ERROR_FAIL;
}
- if (str_byte_len > str_len)
+ for (i = 0; i < str_hbyte_len; i++)
{
- loop_cnt = str_byte_len;
- }
- else
- {
- loop_cnt = str_len;
- }
-
- for (i = 0; i < loop_cnt; i++)
- {
- if (i < str_len)
+ ch = 0;
+ while (str_len > 0)
{
- ch = str[str_len - i - 1];
- if ((ch >= '0') && (ch <= '9'))
- {
- ch = ch - '0';
- }
- else if ((ch >= 'A') && (ch <= 'F'))
- {
- ch = ch - 'A' + 10;
- }
- else
+ ch = str[--str_len];
+
+ if (!isblank(ch))
{
- LOG_ERROR("invalid hex string");
- return ERROR_FAIL;
+ 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;
+ }
}
- }
- else
- {
+
ch = 0;
}
- // check valid
- if (i >= str_byte_len)
+ // write bin
+ if (i % 2)
{
- // all data written, other data should be all '0's and needn't to be written
- need_write = 0;
- if (ch != 0)
- {
- LOG_ERROR("value execede length");
- return ERROR_FAIL;
- }
+ // MSB
+ (*bin)[i / 2] |= ch << 4;
}
- else if (i == (str_byte_len - 1))
+ else
{
- // last data byte, written if valid
- if ((ch & ~((1 << (bit_len - 4 * i)) - 1)) != 0)
- {
- LOG_ERROR("value execede length");
- return ERROR_FAIL;
- }
+ // LSB
+ (*bin)[i / 2] = 0;
+ (*bin)[i / 2] |= ch;
}
+ }
- if (need_write)
- {
- // 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, j, byte_len, index;
+ int i, len, index;
for (i = 0; i < svf_check_tdo_para_index; i++)
{
- if (svf_check_tdo_para[i].enabled)
+ 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))
{
- byte_len = (svf_check_tdo_para[i].bit_len + 7) >> 3;
- index = svf_check_tdo_para[i].buffer_offset;
- for (j = 0; j < byte_len; j++)
- {
- if ((svf_tdi_buffer[index + j] & svf_mask_buffer[index + j]) != svf_tdo_buffer[index + j])
- {
- LOG_ERROR("tdo check error at line %d, read = 0x%X, want = 0x%X, mask = 0x%X",
- svf_check_tdo_para[i].line_num,
- (*(int*)(svf_tdi_buffer + index)) & ((1 << svf_check_tdo_para[i].bit_len) - 1),
- (*(int*)(svf_tdo_buffer + index)) & ((1 << svf_check_tdo_para[i].bit_len) - 1),
- (*(int*)(svf_mask_buffer + index)) & ((1 << svf_check_tdo_para[i].bit_len) - 1));
- return ERROR_FAIL;
- }
- }
+ 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(u8 enabled, int buffer_offset, int bit_len)
+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)
{
return ERROR_OK;
}
-// not good to use this
-extern jtag_command_t** jtag_get_last_command_p(void);
-extern void* cmd_queue_alloc(size_t size);
-extern jtag_command_t **last_comand_pointer;
+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;
-static int svf_run_command(struct command_context_s *cmd_ctx, char *cmd_str)
+ 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;
- // not good to use this
- jtag_command_t **last_cmd;
-
// for RUNTEST
int run_count;
float min_time, max_time;
// for XXR
- svf_xxr_para_t *xxr_para_tmp;
- u8 **pbuffer_tmp;
- scan_field_t field;
+ struct svf_xxr_para *xxr_para_tmp;
+ uint8_t **pbuffer_tmp;
+ struct scan_field field;
// for STATE
tap_state_t *path = NULL, state;
- LOG_DEBUG("%s", cmd_str);
+ 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;
}
- command = svf_find_string_in_array(argus[0], (char **)svf_command_name, dimof(svf_command_name));
- switch(command)
+ /* 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:
LOG_ERROR("invalid parameter of %s", argus[0]);
return ERROR_FAIL;
}
- i_tmp = svf_find_string_in_array(argus[1], (char **)svf_tap_state_name, dimof(svf_tap_state_name));
+
+ 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", svf_tap_state_name[svf_para.ir_end_state]);
+ 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", svf_tap_state_name[svf_para.dr_end_state]);
+ LOG_DEBUG("\tDR end_state = %s",
+ tap_state_name(i_tmp));
}
}
else
{
- LOG_ERROR("%s is not valid state", argus[1]);
+ LOG_ERROR("%s: %s is not a stable state",
+ argus[0], argus[1]);
return ERROR_FAIL;
}
break;
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)
xxr_para_tmp->data_mask = 0;
for (i = 2; i < num_of_argu; i += 2)
{
- if ((argus[i + 1][0] != '(') || (argus[i + 1][strlen(argus[i + 1]) - 1] != ')'))
+ 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;
LOG_ERROR("fail to parse hex value");
return ERROR_FAIL;
}
- LOG_DEBUG("\t%s = 0x%X", argus[i], (**(int**)pbuffer_tmp) & ((1 << (xxr_para_tmp->len)) - 1));
+ 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,
+ // 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))
{
}
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)
{
LOG_ERROR("buffer is not enough, report to author");
return ERROR_FAIL;
#else
- u8 *buffer_tmp;
+ uint8_t *buffer_tmp;
// reallocate buffer
- buffer_tmp = (u8 *)malloc(svf_buffer_index + ((i + 7) >> 3));
+ buffer_tmp = (uint8_t *)malloc(svf_buffer_index + ((i + 7) >> 3));
if (NULL == buffer_tmp)
{
LOG_ERROR("not enough memory");
free(svf_tdi_buffer);
svf_tdi_buffer = buffer_tmp;
- buffer_tmp = (u8 *)malloc(svf_buffer_index + ((i + 7) >> 3));
+ buffer_tmp = (uint8_t *)malloc(svf_buffer_index + ((i + 7) >> 3));
if (NULL == buffer_tmp)
{
LOG_ERROR("not enough memory");
free(svf_tdo_buffer);
svf_tdo_buffer = buffer_tmp;
- buffer_tmp = (u8 *)malloc(svf_buffer_index + ((i + 7) >> 3));
+ buffer_tmp = (uint8_t *)malloc(svf_buffer_index + ((i + 7) >> 3));
if (NULL == buffer_tmp)
{
LOG_ERROR("not enough memory");
field.tap = tap;
field.num_bits = i;
field.out_value = &svf_tdi_buffer[svf_buffer_index];
- field.out_mask = NULL;
field.in_value = &svf_tdi_buffer[svf_buffer_index];
- field.in_check_value = NULL;
- field.in_check_mask = NULL;
- field.in_handler = NULL;
- field.in_handler_priv = NULL;
+ /* 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;
LOG_ERROR("buffer is not enough, report to author");
return ERROR_FAIL;
#else
- u8 *buffer_tmp;
+ uint8_t *buffer_tmp;
// reallocate buffer
- buffer_tmp = (u8 *)malloc(svf_buffer_index + ((i + 7) >> 3));
+ buffer_tmp = (uint8_t *)malloc(svf_buffer_index + ((i + 7) >> 3));
if (NULL == buffer_tmp)
{
LOG_ERROR("not enough memory");
free(svf_tdi_buffer);
svf_tdi_buffer = buffer_tmp;
- buffer_tmp = (u8 *)malloc(svf_buffer_index + ((i + 7) >> 3));
+ buffer_tmp = (uint8_t *)malloc(svf_buffer_index + ((i + 7) >> 3));
if (NULL == buffer_tmp)
{
LOG_ERROR("not enough memory");
free(svf_tdo_buffer);
svf_tdo_buffer = buffer_tmp;
- buffer_tmp = (u8 *)malloc(svf_buffer_index + ((i + 7) >> 3));
+ buffer_tmp = (uint8_t *)malloc(svf_buffer_index + ((i + 7) >> 3));
if (NULL == buffer_tmp)
{
LOG_ERROR("not enough memory");
field.tap = tap;
field.num_bits = i;
field.out_value = &svf_tdi_buffer[svf_buffer_index];
- field.out_mask = NULL;
field.in_value = &svf_tdi_buffer[svf_buffer_index];
- field.in_check_value = NULL;
- field.in_check_mask = NULL;
- field.in_handler = NULL;
- field.in_handler_priv = NULL;
+ /* 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;
min_time = 0;
max_time = 0;
i = 1;
+
// run_state
- i_tmp = svf_find_string_in_array(argus[i], (char **)svf_tap_state_name, dimof(svf_tap_state_name));
- if (svf_tap_state_is_valid(i_tmp))
+ 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
+ /* 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", svf_tap_state_name[svf_para.runtest_run_state]);
+ LOG_DEBUG("\trun_state = %s",
+ tap_state_name(i_tmp));
i++;
}
else
{
- LOG_ERROR("%s is not valid state", svf_tap_state_name[i_tmp]);
+ 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"))
{
// ENDSTATE end_state
if (((i + 2) <= num_of_argu) && !strcmp(argus[i], "ENDSTATE"))
{
- i_tmp = svf_find_string_in_array(argus[i + 1], (char **)svf_tap_state_name, dimof(svf_tap_state_name));
+ 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", svf_tap_state_name[svf_para.runtest_end_state]);
+ LOG_DEBUG("\tend_state = %s",
+ tap_state_name(i_tmp));
}
else
{
- LOG_ERROR("%s is not valid state", svf_tap_state_name[i_tmp]);
+ LOG_ERROR("%s: %s is not a stable state",
+ argus[0], tap_state_name(i_tmp));
return ERROR_FAIL;
}
i += 2;
{
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)
{
- // RUNTEST can only executed in TAP_IDLE
- LOG_ERROR("cannot runtest in %s state", svf_tap_state_name[svf_para.runtest_run_state]);
+ 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("not enough memory");
return ERROR_FAIL;
}
- for (i = 1; i < num_of_argu; i++)
+ 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 - 1] = svf_find_string_in_array(argus[i], (char **)svf_tap_state_name, dimof(svf_tap_state_name));
- if (!svf_tap_state_is_valid(path[i - 1]))
+ path[i] = tap_state_by_name(argus[i_tmp]);
+ if (path[i] == TAP_INVALID)
{
- LOG_ERROR("%s is not valid state", svf_tap_state_name[path[i - 1]]);
+ LOG_ERROR("%s: %s is not a valid state",
+ argus[0], argus[i_tmp]);
+ free(path);
return ERROR_FAIL;
}
- if (TAP_RESET == path[i - 1])
+ /* OpenOCD refuses paths containing TAP_RESET */
+ if (TAP_RESET == path[i])
{
- LOG_ERROR("TAP_RESET is not allowed in pathmove");
- return ERROR_FAIL;
+ /* 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 (svf_tap_state_is_stable(path[num_of_argu - 1]))
- {
- // last state MUST be stable state
- // TODO: call path_move
- jtag_add_pathmove(num_of_argu - 1, path);
- LOG_DEBUG("\tmove to %s by path_move", svf_tap_state_name[path[num_of_argu - 1]]);
- }
- else
- {
- LOG_ERROR("%s is not valid state", svf_tap_state_name[path[num_of_argu - 1]]);
- return ERROR_FAIL;
- }
- if (NULL != path)
+ if (num_of_argu > 0)
{
- free(path);
- path = NULL;
+ // 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;
+ }
}
+
+ free(path);
+ path = NULL;
}
else
{
// STATE stable_state
- state = svf_find_string_in_array(argus[1], (char **)svf_tap_state_name, dimof(svf_tap_state_name));
+ state = tap_state_by_name(argus[1]);
if (svf_tap_state_is_stable(state))
{
- // TODO: move to state
- last_cmd = jtag_get_last_command_p();
- *last_cmd = cmd_queue_alloc(sizeof(jtag_command_t));
- last_comand_pointer = &((*last_cmd)->next);
- (*last_cmd)->next = NULL;
- (*last_cmd)->type = JTAG_STATEMOVE;
- (*last_cmd)->cmd.statemove = cmd_queue_alloc(sizeof(statemove_command_t));
- (*last_cmd)->cmd.statemove->end_state = state;
-
- LOG_DEBUG("\tmove to %s by state_move", svf_tap_state_name[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 is not valid state", svf_tap_state_name[state]);
+ LOG_ERROR("%s: %s is not a stable state",
+ argus[0], tap_state_name(state));
return ERROR_FAIL;
}
}
}
if (svf_para.trst_mode != TRST_ABSENT)
{
- i_tmp = svf_find_string_in_array(argus[1], (char **)svf_trst_mode_name, dimof(svf_trst_mode_name));
+ 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:
jtag_add_reset(1, 0);
break;
- case TRST_OFF:
- jtag_add_reset(1, 1);
- break;
case TRST_Z:
+ case TRST_OFF:
+ jtag_add_reset(0, 0);
break;
case TRST_ABSENT:
break;
(((command != STATE) && (command != RUNTEST)) || \
((command == STATE) && (num_of_argu == 2))))
{
- // there is data to be executed
- if (ERROR_OK != jtag_execute_queue())
+ if (ERROR_OK != svf_execute_tap())
{
return ERROR_FAIL;
}
+
// output debug info
if ((SIR == command) || (SDR == command))
{
- LOG_DEBUG("\tTDO read = 0x%X", (*(int*)svf_tdi_buffer) & ((1 << (svf_check_tdo_para[0].bit_len)) - 1));
- }
- if (ERROR_OK != svf_check_tdo())
- {
- return ERROR_FAIL;
+ 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);
}
-
- svf_buffer_index = 0;
}
}
else
(((command != STATE) && (command != RUNTEST)) || \
((command == STATE) && (num_of_argu == 2))))
{
- if (ERROR_OK != jtag_execute_queue())
- {
- return ERROR_FAIL;
- }
- else if (ERROR_OK != svf_check_tdo())
- {
- return ERROR_FAIL;
- }
-
- svf_buffer_index = 0;
+ 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 = "<file>",
+ },
+ COMMAND_REGISTRATION_DONE
+};
+
+int svf_register_commands(struct command_context *cmd_ctx)
+{
+ return register_commands(cmd_ctx, NULL, svf_command_handlers);
+}