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svf: try to reallocate buffers if they're not enough 

On larger FPGAs the default buffer size is not nearly enough;
automatically reallocate it as needed.

Change-Id: Ic8071e8cceddeef897ce76996c029250fd22662b
Signed-off-by: Paul Fertser <fercerpav@gmail.com>
Reviewed-on: http://openocd.zylin.com/2099
Tested-by: jenkins
Reviewed-by: Kenneth Lorthioir <ibelimb@gmail.com>
Reviewed-by: Freddie Chopin <freddie.chopin@gmail.com>
Reviewed-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
This commit is contained in:
Paul Fertser 2014-04-09 09:58:07 +04:00
parent 3427cf2b7e
commit 11a1080c00
1 changed files with 27 additions and 91 deletions
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118
src/svf/svf.c
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@ -241,6 +241,30 @@ static long svf_total_lines;
static int svf_percentage;
static int svf_last_printed_percentage = -1;
static int svf_realloc_buffers(size_t len)
{
void *ptr;
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 (NULL != para) {
@ -383,25 +407,10 @@ COMMAND_HANDLER(handle_svf_command)
/* 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 */
svf_tdi_buffer = malloc(2 * SVF_MAX_BUFFER_SIZE_TO_COMMIT);
if (NULL == svf_tdi_buffer) {
LOG_ERROR("not enough memory");
if (svf_realloc_buffers(2 * SVF_MAX_BUFFER_SIZE_TO_COMMIT) != ERROR_OK) {
ret = ERROR_FAIL;
goto free_all;
}
svf_tdo_buffer = 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 = 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));
@ -1078,47 +1087,11 @@ XXR_common:
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 = malloc(svf_buffer_index + ((i + 7) >> 3));
if (NULL == buffer_tmp) {
if (svf_realloc_buffers(svf_buffer_index + ((i + 7) >> 3)) != ERROR_OK) {
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 = 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 = 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 */
@ -1205,47 +1178,10 @@ XXR_common:
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 = malloc(svf_buffer_index + ((i + 7) >> 3));
if (NULL == buffer_tmp) {
if (svf_realloc_buffers(svf_buffer_index + ((i + 7) >> 3)) != ERROR_OK) {
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 = 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 = 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 */