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-rw-r--r--src/svf/svf.c370
1 files changed, 292 insertions, 78 deletions
diff --git a/src/svf/svf.c b/src/svf/svf.c
index 62e23248..a015e3c4 100644
--- a/src/svf/svf.c
+++ b/src/svf/svf.c
@@ -206,21 +206,33 @@ struct svf_check_tdo_para
static struct svf_check_tdo_para *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_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_fd = 0;
+static FILE * svf_fd = NULL;
+static char * svf_read_line = NULL;
+static size_t svf_read_line_size = 0;
static char *svf_command_buffer = NULL;
-static int svf_command_buffer_size = 0;
+static size_t svf_command_buffer_size = 0;
static int svf_line_number = 1;
+static int svf_getline (char **lineptr, size_t *n, FILE *stream);
#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;
+// Targetting particular tap
+static int svf_tap_is_specified = 0;
+static int svf_set_padding(struct svf_xxr_para *para, int len, unsigned char tdi);
+
+// Progress Indicator
+static int svf_progress_enabled = 0;
+static long svf_total_lines = 0;
+static int svf_percentage = 0;
+static int svf_last_printed_percentage = -1;
static void svf_free_xxd_para(struct svf_xxr_para *para)
{
@@ -301,46 +313,71 @@ int svf_add_statemove(tap_state_t state_to)
COMMAND_HANDLER(handle_svf_command)
{
-#define SVF_NUM_OF_OPTIONS 1
+#define SVF_MIN_NUM_OF_OPTIONS 1
+#define SVF_MAX_NUM_OF_OPTIONS 5
+#define USAGE [-tap device.tap] <file> [quiet] [progress]
+#define PRINT_USAGE command_print(CMD_CTX, "svf USAGE")
int command_num = 0;
int ret = ERROR_OK;
- long long time_ago;
+ long long 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 < 1) || (CMD_ARGC > (1 + SVF_NUM_OF_OPTIONS)))
+ if ((CMD_ARGC < SVF_MIN_NUM_OF_OPTIONS) || (CMD_ARGC > SVF_MAX_NUM_OF_OPTIONS))
{
- command_print(CMD_CTX, "usage: svf <file> [quiet]");
+ PRINT_USAGE;
return ERROR_FAIL;
}
- // parse variant
+ // parse command line
svf_quiet = 0;
- for (unsigned i = 1; i < CMD_ARGC; i++)
+ for (unsigned int i = 0; i < CMD_ARGC; i++)
{
- if (!strcmp(CMD_ARGV[i], "quiet"))
+ if (strcmp(CMD_ARGV[i], "-tap") == 0)
+ {
+ tap = jtag_tap_by_string(CMD_ARGV[i+1]);
+ if (!tap)
+ {
+ command_print(CMD_CTX, "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
+ else if ((strcmp(CMD_ARGV[i], "progress") == 0) || (strcmp(CMD_ARGV[i], "-progress") == 0))
{
- LOG_ERROR("unknown variant for svf: %s", CMD_ARGV[i]);
-
+ svf_progress_enabled = 1;
+ }
+ else if ((svf_fd = fopen(CMD_ARGV[i], "r")) == NULL)
+ {
+ int err = errno;
+ PRINT_USAGE;
+ command_print(CMD_CTX, "open(\"%s\"): %s", CMD_ARGV[i], strerror(err));
// no need to free anything now
return ERROR_FAIL;
}
+ else
+ {
+ LOG_USER("svf processing file: \"%s\"", CMD_ARGV[i]);
+ }
}
- if ((svf_fd = open(CMD_ARGV[0], O_RDONLY)) < 0)
+ if (svf_fd == NULL)
{
- command_print(CMD_CTX, "file \"%s\" not found", CMD_ARGV[0]);
-
- // no need to free anything now
+ PRINT_USAGE;
return ERROR_FAIL;
}
- LOG_USER("svf processing file: \"%s\"", CMD_ARGV[0]);
-
// get time
- time_ago = timeval_ms();
+ time_measure_ms = timeval_ms();
// init
svf_line_number = 1;
@@ -388,8 +425,97 @@ COMMAND_HANDLER(handle_svf_command)
// 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);
@@ -408,11 +534,19 @@ COMMAND_HANDLER(handle_svf_command)
}
// print time
- command_print(CMD_CTX, "%lld ms used", timeval_ms() - time_ago);
+ 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_CTX, "\r\nTime used: %dm%ds%lldms ", time_measure_m, time_measure_s, time_measure_ms);
+ }
free_all:
- close(svf_fd);
+ fclose(svf_fd);
svf_fd = 0;
// free buffers
@@ -465,36 +599,92 @@ free_all:
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 == NULL)
+ {
+ *n = MIN_CHUNK;
+ *lineptr = (char *)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(int fd)
+static int svf_read_command_from_file(FILE * fd)
{
unsigned char ch;
- char *tmp_buffer = NULL;
- int cmd_pos = 0, cmd_ok = 0, slash = 0, comment = 0;
+ int i = 0;
+ size_t cmd_pos = 0;
+ int cmd_ok = 0, slash = 0, comment = 0;
- while (!cmd_ok && (read(fd, &ch, 1) > 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;
- comment = 1;
+ 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)
{
- comment = 1;
+ 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;
- if (!comment)
- {
- cmd_ok = 1;
- }
+ 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;
case '\r':
slash = 0;
comment = 0;
@@ -502,54 +692,40 @@ static int svf_read_command_from_file(int fd)
if (!cmd_pos)
break;
default:
- if (!comment)
+ /* 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 + 2) >= svf_command_buffer_size)
{
- /* 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 + 2) >= svf_command_buffer_size)
+ svf_command_buffer = realloc(svf_command_buffer, (cmd_pos + 2));
+ if (svf_command_buffer == NULL)
{
- /* REVISIT use realloc(); simpler */
- tmp_buffer = malloc(
- svf_command_buffer_size
- + SVFP_CMD_INC_CNT);
- 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;
+ LOG_ERROR("not enough memory");
+ return ERROR_FAIL;
}
+ }
- /* insert a space before '(' */
- if ('(' == ch)
- svf_command_buffer[cmd_pos++] = ' ';
+ /* insert a space before '(' */
+ if ('(' == ch)
+ svf_command_buffer[cmd_pos++] = ' ';
- svf_command_buffer[cmd_pos++] = (char)toupper(ch);
+ svf_command_buffer[cmd_pos++] = (char)toupper(ch);
- /* insert a space after ')' */
- if (')' == ch)
- svf_command_buffer[cmd_pos++] = ' ';
- }
+ /* insert a space after ')' */
+ if (')' == ch)
+ svf_command_buffer[cmd_pos++] = ' ';
break;
}
+ ch = svf_read_line[++i];
}
if (cmd_ok)
@@ -645,6 +821,19 @@ static int svf_adjust_array_length(uint8_t **arr, int orig_bit_len, int new_bit_
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(&para->tdi, para->len, len);
+ memset(para->tdi, tdi, (len + 7) >> 3);
+ error |= svf_adjust_array_length(&para->tdo, para->len, len);
+ error |= svf_adjust_array_length(&para->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;
@@ -803,11 +992,8 @@ static int svf_run_command(struct command_context *cmd_ctx, char *cmd_str)
struct scan_field field;
// for STATE
tap_state_t *path = NULL, state;
-
- if (!svf_quiet)
- {
- LOG_USER("%s", svf_command_buffer);
- }
+ // 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))
{
@@ -886,15 +1072,35 @@ static int svf_run_command(struct command_context *cmd_ctx, char *cmd_str)
}
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:
@@ -1454,6 +1660,14 @@ static int svf_run_command(struct command_context *cmd_ctx, char *cmd_str)
break;
}
+ 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
@@ -1498,7 +1712,7 @@ static const struct command_registration svf_command_handlers[] = {
.handler = handle_svf_command,
.mode = COMMAND_EXEC,
.help = "Runs a SVF file.",
- .usage = "filename ['quiet']",
+ .usage = "USAGE",
},
COMMAND_REGISTRATION_DONE
};