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Openocd: svf: Add ability to ignore svf_check_tdo errors 

Added Openocd commandline argument to ignore_error when the
read back TDO does not match to expected value specified with
TDO after masking with what is specified in MASK. This allows
to continue to play entire SVF file ignoring errors.
Error logs clearly show the failure reason and prints
read back TDO value.

Change-Id: I324f476fc16a003b35e6f2c5b63976431f49d54a
Signed-off-by: Kamal Dasu <kdasu.kdev@gmail.com>
Reviewed-on: http://openocd.zylin.com/2129
Tested-by: jenkins
Reviewed-by: Franck Jullien <franck.jullien@gmail.com>
Reviewed-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
This commit is contained in:
Kamal Dasu 2014-02-20 17:46:42 -05:00 committed by Andreas Fritiofson
parent 7c101b9e31
commit a74b5687a7
1 changed files with 16 additions and 4 deletions
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18
src/svf/svf.c
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@ -230,6 +230,7 @@ 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;
/* Targetting particular tap */
static int svf_tap_is_specified;
@ -373,6 +374,7 @@ COMMAND_HANDLER(handle_svf_command)
/* parse command line */
svf_quiet = 0;
svf_nil = 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]);
@ -389,6 +391,9 @@ COMMAND_HANDLER(handle_svf_command)
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 == NULL) {
@ -572,11 +577,14 @@ free_all:
if (ERROR_OK == ret)
command_print(CMD_CTX,
"svf file programmed successfully for %d commands",
command_num);
"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_CTX, "svf file programmed failed");
svf_ignore_error = 0;
return ret;
}
@ -860,7 +868,11 @@ static int svf_check_tdo(void)
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;
@ -1539,7 +1551,7 @@ static const struct command_registration svf_command_handlers[] = {
.handler = handle_svf_command,
.mode = COMMAND_EXEC,
.help = "Runs a SVF file.",
.usage = "svf [-tap device.tap] <file> [quiet] [nil] [progress]",
.usage = "svf [-tap device.tap] <file> [quiet] [nil] [progress] [ignore_error]",
},
COMMAND_REGISTRATION_DONE
};