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- added gdb flash fixes patch

Browse Source 
https://lists.berlios.de/pipermail/openocd-development/2007-December/000548.html
- added synthesize in_check_mask/value and error handler patch
https://lists.berlios.de/pipermail/openocd-development/2008-January/000554.html

(thanks to oyvind harboe for these patches)

git-svn-id: svn://svn.berlios.de/openocd/trunk@248 b42882b7-edfa-0310-969c-e2dbd0fdcd60
This commit is contained in:
mifi
2008-01-07 17:11:11 +00:00
parent dfe1b3f314
commit 2e01a1ad19
11 changed files with 197 additions and 231 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
src/jtag/bitq.c
View File

@@ -69,7 +69,7 @@ void bitq_in_proc(void)
while (bitq_in_state.field_idx<bitq_in_state.cmd->cmd.scan->num_fields) {
field=&bitq_in_state.cmd->cmd.scan->fields[bitq_in_state.field_idx];
if (field->in_check_value || field->in_value || field->in_handler) {
if ( field->in_value || field->in_handler) {
if (bitq_in_state.bit_pos==0) {
/* initialize field scanning */
@@ -115,26 +115,6 @@ void bitq_in_proc(void)
bitq_in_state.bit_pos++;
}
if (field->in_check_value) {
/* match scanned in value */
for (in_idx=0; in_idx*8<field->num_bits; in_idx++) {
if (field->in_check_mask) in_mask=field->in_check_mask[in_idx];
else in_mask=0xff;
if (field->num_bits-in_idx*8<8) in_mask>>=8-(field->num_bits-in_idx*8);
if (field->in_check_value[in_idx]&in_mask!=in_buff[in_idx]&in_mask) {
char *captured_char = buf_to_str(in_buff, (field->num_bits > 64) ? 64 : field->num_bits, 16);
char *in_check_value_char = buf_to_str(field->in_check_value, (field->num_bits > 64) ? 64 : field->num_bits, 16);
char *in_check_mask_char = buf_to_str(field->in_check_mask, (field->num_bits > 64) ? 64 : field->num_bits, 16);
/* TODO: error reporting */
WARNING("value captured during scan didn't pass the requested check: captured: 0x%s check_value: 0x%s check_mask: 0x%s", captured_char, in_check_value_char, in_check_mask_char);
bitq_in_state.status=ERROR_JTAG_QUEUE_FAILED;
free(captured_char);
free(in_check_value_char);
free(in_check_mask_char);
break; /* leave the comparison loop upon first mismatch */
}
}
}
if (field->in_handler && bitq_in_state.status==ERROR_OK) {
bitq_in_state.status=(*field->in_handler)(in_buff, field->in_handler_priv);
@@ -237,7 +217,7 @@ void bitq_scan_field(scan_field_t *field, int pause)
u8 *out_ptr;
u8 out_mask;
if (field->in_check_value || field->in_value || field->in_handler) tdo_req=1;
if ( field->in_value || field->in_handler) tdo_req=1;
else tdo_req=0;
if (field->out_value==NULL) {

232
src/jtag/jtag.c
View File

@@ -209,10 +209,6 @@ int jtag_speed = -1;
/* forward declarations */
int jtag_add_ir_scan(int num_fields, scan_field_t *fields, enum tap_state endstate, error_handler_t *error_handler);
int jtag_add_dr_scan(int num_fields, scan_field_t *fields, enum tap_state endstate, error_handler_t *error_handler);
int jtag_add_plain_ir_scan(int num_fields, scan_field_t *fields, enum tap_state endstate, error_handler_t *error_handler);
int jtag_add_plain_dr_scan(int num_fields, scan_field_t *fields, enum tap_state endstate, error_handler_t *error_handler);
int jtag_add_statemove(enum tap_state endstate);
int jtag_add_pathmove(int num_states, enum tap_state *path);
int jtag_add_runtest(int num_cycles, enum tap_state endstate);
@@ -381,7 +377,7 @@ void cmd_queue_free()
cmd_queue_pages = NULL;
}
int jtag_add_ir_scan(int num_fields, scan_field_t *fields, enum tap_state state, error_handler_t *error_handler)
int jtag_add_ir_scan(int num_fields, scan_field_t *fields, enum tap_state state, void *dummy_anachronism)
{
jtag_command_t **last_cmd;
jtag_device_t *device;
@@ -408,15 +404,6 @@ int jtag_add_ir_scan(int num_fields, scan_field_t *fields, enum tap_state state,
(*last_cmd)->cmd.scan->num_fields = jtag_num_devices; /* one field per device */
(*last_cmd)->cmd.scan->fields = cmd_queue_alloc(jtag_num_devices * sizeof(scan_field_t));
(*last_cmd)->cmd.scan->end_state = state;
if (error_handler)
{
(*last_cmd)->cmd.scan->error_handler = cmd_queue_alloc(sizeof(error_handler_t));
*(*last_cmd)->cmd.scan->error_handler = *error_handler;
}
else
{
(*last_cmd)->cmd.scan->error_handler = NULL;
}
if (state != -1)
cmd_queue_end_state = state;
@@ -437,18 +424,12 @@ int jtag_add_ir_scan(int num_fields, scan_field_t *fields, enum tap_state state,
(*last_cmd)->cmd.scan->fields[i].device = i;
(*last_cmd)->cmd.scan->fields[i].num_bits = scan_size;
(*last_cmd)->cmd.scan->fields[i].in_value = NULL;
if (jtag_verify_capture_ir)
{
(*last_cmd)->cmd.scan->fields[i].in_check_value = buf_cpy(device->expected, cmd_queue_alloc(CEIL(scan_size, 8)), scan_size);
(*last_cmd)->cmd.scan->fields[i].in_check_mask = buf_cpy(device->expected_mask, cmd_queue_alloc(CEIL(scan_size, 8)), scan_size);
}
else
{
(*last_cmd)->cmd.scan->fields[i].in_check_value = NULL;
(*last_cmd)->cmd.scan->fields[i].in_check_mask = NULL;
}
(*last_cmd)->cmd.scan->fields[i].in_handler = NULL;
(*last_cmd)->cmd.scan->fields[i].in_handler_priv = NULL;
if (jtag_verify_capture_ir)
{
jtag_set_check_value((*last_cmd)->cmd.scan->fields+i, device->expected, device->expected_mask, NULL);
}
/* search the list */
for (j=0; j < num_fields; j++)
@@ -480,7 +461,7 @@ int jtag_add_ir_scan(int num_fields, scan_field_t *fields, enum tap_state state,
return ERROR_OK;
}
int jtag_add_plain_ir_scan(int num_fields, scan_field_t *fields, enum tap_state state, error_handler_t *error_handler)
int jtag_add_plain_ir_scan(int num_fields, scan_field_t *fields, enum tap_state state, void *dummy_anachronism)
{
jtag_command_t **last_cmd;
int i;
@@ -505,15 +486,6 @@ int jtag_add_plain_ir_scan(int num_fields, scan_field_t *fields, enum tap_state
(*last_cmd)->cmd.scan->num_fields = num_fields;
(*last_cmd)->cmd.scan->fields = cmd_queue_alloc(num_fields * sizeof(scan_field_t));
(*last_cmd)->cmd.scan->end_state = state;
if (error_handler)
{
(*last_cmd)->cmd.scan->error_handler = cmd_queue_alloc(sizeof(error_handler_t));
*(*last_cmd)->cmd.scan->error_handler = *error_handler;
}
else
{
(*last_cmd)->cmd.scan->error_handler = NULL;
}
if (state != -1)
cmd_queue_end_state = state;
@@ -535,15 +507,15 @@ int jtag_add_plain_ir_scan(int num_fields, scan_field_t *fields, enum tap_state
(*last_cmd)->cmd.scan->fields[i].out_value = buf_cpy(fields[i].out_value, cmd_queue_alloc(num_bytes), num_bits);
(*last_cmd)->cmd.scan->fields[i].out_mask = buf_cpy(fields[i].out_mask, cmd_queue_alloc(num_bytes), num_bits);
(*last_cmd)->cmd.scan->fields[i].in_value = fields[i].in_value;
(*last_cmd)->cmd.scan->fields[i].in_check_value = buf_cpy(fields[i].in_check_value, cmd_queue_alloc(num_bytes), num_bits);
(*last_cmd)->cmd.scan->fields[i].in_check_mask = buf_cpy(fields[i].in_check_mask, cmd_queue_alloc(num_bytes), num_bits);
(*last_cmd)->cmd.scan->fields[i].in_check_value = fields[i].in_check_value;
(*last_cmd)->cmd.scan->fields[i].in_check_mask = fields[i].in_check_mask;
(*last_cmd)->cmd.scan->fields[i].in_handler = NULL;
(*last_cmd)->cmd.scan->fields[i].in_handler_priv = NULL;
}
return ERROR_OK;
}
int jtag_add_dr_scan(int num_fields, scan_field_t *fields, enum tap_state state, error_handler_t *error_handler)
int jtag_add_dr_scan(int num_fields, scan_field_t *fields, enum tap_state state, void *dummy_anachronism)
{
int i, j;
int bypass_devices = 0;
@@ -578,15 +550,6 @@ int jtag_add_dr_scan(int num_fields, scan_field_t *fields, enum tap_state state,
(*last_cmd)->cmd.scan->num_fields = num_fields + bypass_devices;
(*last_cmd)->cmd.scan->fields = cmd_queue_alloc((num_fields + bypass_devices) * sizeof(scan_field_t));
(*last_cmd)->cmd.scan->end_state = state;
if (error_handler)
{
(*last_cmd)->cmd.scan->error_handler = cmd_queue_alloc(sizeof(error_handler_t));
*(*last_cmd)->cmd.scan->error_handler = *error_handler;
}
else
{
(*last_cmd)->cmd.scan->error_handler = NULL;
}
if (state != -1)
cmd_queue_end_state = state;
@@ -614,8 +577,8 @@ int jtag_add_dr_scan(int num_fields, scan_field_t *fields, enum tap_state state,
(*last_cmd)->cmd.scan->fields[field_count].out_value = buf_cpy(fields[j].out_value, cmd_queue_alloc(CEIL(scan_size, 8)), scan_size);
(*last_cmd)->cmd.scan->fields[field_count].out_mask = buf_cpy(fields[j].out_mask, cmd_queue_alloc(CEIL(scan_size, 8)), scan_size);
(*last_cmd)->cmd.scan->fields[field_count].in_value = fields[j].in_value;
(*last_cmd)->cmd.scan->fields[field_count].in_check_value = buf_cpy(fields[j].in_check_value, cmd_queue_alloc(CEIL(scan_size, 8)), scan_size);
(*last_cmd)->cmd.scan->fields[field_count].in_check_mask = buf_cpy(fields[j].in_check_mask, cmd_queue_alloc(CEIL(scan_size, 8)), scan_size);
(*last_cmd)->cmd.scan->fields[field_count].in_check_value = fields[j].in_check_value;
(*last_cmd)->cmd.scan->fields[field_count].in_check_mask = fields[j].in_check_mask;
(*last_cmd)->cmd.scan->fields[field_count].in_handler = fields[j].in_handler;
(*last_cmd)->cmd.scan->fields[field_count++].in_handler_priv = fields[j].in_handler_priv;
}
@@ -651,7 +614,7 @@ int jtag_add_dr_scan(int num_fields, scan_field_t *fields, enum tap_state state,
return ERROR_OK;
}
int jtag_add_plain_dr_scan(int num_fields, scan_field_t *fields, enum tap_state state, error_handler_t *error_handler)
int jtag_add_plain_dr_scan(int num_fields, scan_field_t *fields, enum tap_state state, void *dummy_anachronism)
{
int i;
jtag_command_t **last_cmd = jtag_get_last_command_p();
@@ -674,15 +637,6 @@ int jtag_add_plain_dr_scan(int num_fields, scan_field_t *fields, enum tap_state
(*last_cmd)->cmd.scan->num_fields = num_fields;
(*last_cmd)->cmd.scan->fields = cmd_queue_alloc(num_fields * sizeof(scan_field_t));
(*last_cmd)->cmd.scan->end_state = state;
if (error_handler)
{
(*last_cmd)->cmd.scan->error_handler = cmd_queue_alloc(sizeof(error_handler_t));
*(*last_cmd)->cmd.scan->error_handler = *error_handler;
}
else
{
(*last_cmd)->cmd.scan->error_handler = NULL;
}
if (state != -1)
cmd_queue_end_state = state;
@@ -704,8 +658,8 @@ int jtag_add_plain_dr_scan(int num_fields, scan_field_t *fields, enum tap_state
(*last_cmd)->cmd.scan->fields[i].out_value = buf_cpy(fields[i].out_value, cmd_queue_alloc(num_bytes), num_bits);
(*last_cmd)->cmd.scan->fields[i].out_mask = buf_cpy(fields[i].out_mask, cmd_queue_alloc(num_bytes), num_bits);
(*last_cmd)->cmd.scan->fields[i].in_value = fields[i].in_value;
(*last_cmd)->cmd.scan->fields[i].in_check_value = buf_cpy(fields[i].in_check_value, cmd_queue_alloc(num_bytes), num_bits);
(*last_cmd)->cmd.scan->fields[i].in_check_mask = buf_cpy(fields[i].in_check_mask, cmd_queue_alloc(num_bytes), num_bits);
(*last_cmd)->cmd.scan->fields[i].in_check_value = fields[i].in_check_value;
(*last_cmd)->cmd.scan->fields[i].in_check_mask = fields[i].in_check_mask;
(*last_cmd)->cmd.scan->fields[i].in_handler = fields[i].in_handler;
(*last_cmd)->cmd.scan->fields[i].in_handler_priv = fields[i].in_handler_priv;
}
@@ -1037,6 +991,8 @@ int jtag_build_buffer(scan_command_t *cmd, u8 **buffer)
}
extern int jtag_check_value(u8 *captured, void *priv);
int jtag_read_buffer(u8 *buffer, scan_command_t *cmd)
{
int i;
@@ -1048,10 +1004,10 @@ int jtag_read_buffer(u8 *buffer, scan_command_t *cmd)
for (i=0; i < cmd->num_fields; i++)
{
/* if neither in_value, in_check_value nor in_handler
/* if neither in_value nor in_handler
* are specified we don't have to examine this field
*/
if (cmd->fields[i].in_value || cmd->fields[i].in_check_value || cmd->fields[i].in_handler)
if (cmd->fields[i].in_value || cmd->fields[i].in_handler)
{
int num_bits = cmd->fields[i].num_bits;
u8 *captured = buf_set_buf(buffer, bit_count, malloc(CEIL(num_bits, 8)), 0, num_bits);
@@ -1064,13 +1020,30 @@ int jtag_read_buffer(u8 *buffer, scan_command_t *cmd)
free(char_buf);
#endif
void *priv=cmd->fields[i].in_handler_priv;
if (cmd->fields[i].in_handler==&jtag_check_value)
{
/* Yuk! we want to pass in the pointer to cmd->fields[i] which is not known
* when jtag_check_value is invoked
*
* Not pretty, but this is part of synthesizing check_mask via in_handler
* with a minimum of code impact.
*
* A cleaner change would be to modify the in_handler to always take field
* as an argument. Perhaps later...
*
* Change in_handler to be varargs and have fields+i as the first vararg?
*
*/
priv=cmd->fields+i;
}
if (cmd->fields[i].in_value)
{
buf_cpy(captured, cmd->fields[i].in_value, num_bits);
if (cmd->fields[i].in_handler)
{
if (cmd->fields[i].in_handler(cmd->fields[i].in_value, cmd->fields[i].in_handler_priv) != ERROR_OK)
if (cmd->fields[i].in_handler(cmd->fields[i].in_value, priv) != ERROR_OK)
{
WARNING("in_handler reported a failed check");
retval = ERROR_JTAG_QUEUE_FAILED;
@@ -1081,7 +1054,7 @@ int jtag_read_buffer(u8 *buffer, scan_command_t *cmd)
/* no in_value specified, but a handler takes care of the scanned data */
if (cmd->fields[i].in_handler && (!cmd->fields[i].in_value))
{
if (cmd->fields[i].in_handler(captured, cmd->fields[i].in_handler_priv) != ERROR_OK)
if (cmd->fields[i].in_handler(captured, priv) != ERROR_OK)
{
/* We're going to call the error:handler later, but if the in_handler
* reported an error we report this failure upstream
@@ -1091,58 +1064,6 @@ int jtag_read_buffer(u8 *buffer, scan_command_t *cmd)
}
}
if (cmd->fields[i].in_check_value)
{
int compare_failed = 0;
if (cmd->fields[i].in_check_mask)
compare_failed = buf_cmp_mask(captured, cmd->fields[i].in_check_value, cmd->fields[i].in_check_mask, num_bits);
else
compare_failed = buf_cmp(captured, cmd->fields[i].in_check_value, num_bits);
if (compare_failed)
{
if (cmd->error_handler)
{
/* ask the error handler if once has been specified if this is a real problem */
if (cmd->error_handler->error_handler(captured, cmd->error_handler->error_handler_priv) != ERROR_OK)
retval = ERROR_JTAG_QUEUE_FAILED;
else
compare_failed = 0;
}
else
{
/* if there wasn't a handler specified, we report a failure */
retval = ERROR_JTAG_QUEUE_FAILED;
}
/* An error handler could have caught the failing check
* only report a problem when there wasn't a handler, or if the handler
* acknowledged the error
*/
if (compare_failed)
{
char *captured_char = buf_to_str(captured, (num_bits > 64) ? 64 : num_bits, 16);
char *in_check_value_char = buf_to_str(cmd->fields[i].in_check_value, (num_bits > 64) ? 64 : num_bits, 16);
if (cmd->fields[i].in_check_mask)
{
char *in_check_mask_char;
in_check_mask_char = buf_to_str(cmd->fields[i].in_check_mask, (num_bits > 64) ? 64 : num_bits, 16);
WARNING("value captured during scan didn't pass the requested check: captured: 0x%s check_value: 0x%s check_mask: 0x%s", captured_char, in_check_value_char, in_check_mask_char);
free(in_check_mask_char);
}
else
{
WARNING("value captured during scan didn't pass the requested check: captured: 0x%s check_value: 0x%s", captured_char, in_check_value_char);
}
free(captured_char);
free(in_check_value_char);
}
}
}
free(captured);
}
bit_count += cmd->fields[i].num_bits;
@@ -1151,6 +1072,83 @@ int jtag_read_buffer(u8 *buffer, scan_command_t *cmd)
return retval;
}
int jtag_check_value(u8 *captured, void *priv)
{
int retval=ERROR_OK;
scan_field_t *field=(scan_field_t *)priv;
int num_bits = field->num_bits;
int compare_failed = 0;
if (field->in_check_mask)
compare_failed = buf_cmp_mask(captured, field->in_check_value, field->in_check_mask, num_bits);
else
compare_failed = buf_cmp(captured, field->in_check_value, num_bits);
if (compare_failed)
{
if (field->in_handler_error_handler.error_handler)
{
/* ask the error handler if once has been specified if this is a real problem */
if (field->in_handler_error_handler.error_handler(captured, field->in_handler_error_handler.error_handler_priv) != ERROR_OK)
retval = ERROR_JTAG_QUEUE_FAILED;
else
compare_failed = 0;
}
else
{
/* if there wasn't a handler specified, we report a failure */
retval = ERROR_JTAG_QUEUE_FAILED;
}
/* An error handler could have caught the failing check
* only report a problem when there wasn't a handler, or if the handler
* acknowledged the error
*/
if (compare_failed)
{
char *captured_char = buf_to_str(captured, (num_bits > 64) ? 64 : num_bits, 16);
char *in_check_value_char = buf_to_str(field->in_check_value, (num_bits > 64) ? 64 : num_bits, 16);
if (field->in_check_mask)
{
char *in_check_mask_char;
in_check_mask_char = buf_to_str(field->in_check_mask, (num_bits > 64) ? 64 : num_bits, 16);
WARNING("value captured during scan didn't pass the requested check: captured: 0x%s check_value: 0x%s check_mask: 0x%s", captured_char, in_check_value_char, in_check_mask_char);
free(in_check_mask_char);
}
else
{
WARNING("value captured during scan didn't pass the requested check: captured: 0x%s check_value: 0x%s", captured_char, in_check_value_char);
}
free(captured_char);
free(in_check_value_char);
}
}
return retval;
}
/*
set up checking of this field using the in_handler. The values passed in must be valid until
after jtag_execute() has completed.
*/
void jtag_set_check_value(scan_field_t *field, u8 *value, u8 *mask, error_handler_t *in_error_handler)
{
if (value)
field->in_handler=jtag_check_value;
else
field->in_handler=NULL; /* No check, e.g. embeddedice uses value==NULL to indicate no check */
field->in_handler_priv=NULL; /* this will be filled in at the invocation site to point to the field duplicate */
field->in_check_value=value;
field->in_check_mask=mask;
if (in_error_handler)
field->in_handler_error_handler=*in_error_handler;
else
field->in_handler_error_handler.error_handler=NULL;
}
enum scan_type jtag_scan_type(scan_command_t *cmd)
{
int i;
@@ -1158,7 +1156,7 @@ enum scan_type jtag_scan_type(scan_command_t *cmd)
for (i=0; i < cmd->num_fields; i++)
{
if (cmd->fields[i].in_check_value || cmd->fields[i].in_value || cmd->fields[i].in_handler)
if (cmd->fields[i].in_value || cmd->fields[i].in_handler)
type |= SCAN_IN;
if (cmd->fields[i].out_value)
type |= SCAN_OUT;

12
src/jtag/jtag.h
View File

@@ -77,6 +77,8 @@ typedef struct scan_field_s
u8 *out_value; /* value to be scanned into the device */
u8 *out_mask; /* only masked bits care */
u8 *in_value; /* pointer to a 32-bit memory location to take data scanned out */
/* in_check_value/mask, in_handler_error_handler, in_handler_priv can be used by the in handler, otherwise they contain garbage */
error_handler_t in_handler_error_handler;
u8 *in_check_value; /* used to validate scan results */
u8 *in_check_mask; /* check specified bits against check_value */
int (*in_handler)(u8 *in_value, void *priv); /* process received buffer using this handler */
@@ -95,7 +97,6 @@ typedef struct scan_command_s
int num_fields; /* number of fields in *fields array */
scan_field_t *fields; /* pointer to an array of data scan fields */
enum tap_state end_state; /* TAP state in which JTAG commands should finish */
error_handler_t *error_handler;
} scan_command_t;
typedef struct statemove_command_s
@@ -249,10 +250,10 @@ extern int jtag_init(struct command_context_s *cmd_ctx);
extern int jtag_register_commands(struct command_context_s *cmd_ctx);
/* JTAG interface */
extern int jtag_add_ir_scan(int num_fields, scan_field_t *fields, enum tap_state endstate, error_handler_t *error_handler);
extern int jtag_add_dr_scan(int num_fields, scan_field_t *fields, enum tap_state endstate, error_handler_t *error_handler);
extern int jtag_add_plain_ir_scan(int num_fields, scan_field_t *fields, enum tap_state endstate, error_handler_t *error_handler);
extern int jtag_add_plain_dr_scan(int num_fields, scan_field_t *fields, enum tap_state endstate, error_handler_t *error_handler);
extern int jtag_add_ir_scan(int num_fields, scan_field_t *fields, enum tap_state endstate, void *dummy_anachronism);
extern int jtag_add_dr_scan(int num_fields, scan_field_t *fields, enum tap_state endstate, void *dummy_anachronism);
extern int jtag_add_plain_ir_scan(int num_fields, scan_field_t *fields, enum tap_state endstate, void *dummy_anachronism);
extern int jtag_add_plain_dr_scan(int num_fields, scan_field_t *fields, enum tap_state endstate, void *dummy_anachronism);
extern int jtag_add_statemove(enum tap_state endstate);
extern int jtag_add_pathmove(int num_states, enum tap_state *path);
extern int jtag_add_runtest(int num_cycles, enum tap_state endstate);
@@ -263,6 +264,7 @@ extern int jtag_execute_queue(void);
extern int jtag_cancel_queue(void);
/* JTAG support functions */
extern void jtag_set_check_value(scan_field_t *field, u8 *value, u8 *mask, error_handler_t *in_error_handler);
extern enum scan_type jtag_scan_type(scan_command_t *cmd);
extern int jtag_scan_size(scan_command_t *cmd);
extern int jtag_read_buffer(u8 *buffer, scan_command_t *cmd);