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change jtag_add_callback API to be able to support check_value/mask

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git-svn-id: svn://svn.berlios.de/openocd/trunk@1735 b42882b7-edfa-0310-969c-e2dbd0fdcd60
This commit is contained in:
oharboe
2009-05-11 08:39:49 +00:00
parent 265b0a9fca
commit 8c77f7c69c
4 changed files with 85 additions and 15 deletions
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74
src/jtag/jtag.c
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@@ -77,7 +77,7 @@ struct jtag_callback_entry
u8 *in;
jtag_callback_data_t data1;
jtag_callback_data_t data2;
jtag_callback_data_t data3;
};
@@ -725,6 +725,62 @@ void jtag_add_dr_scan(int num_fields, scan_field_t *fields, tap_state_t state)
jtag_error=retval;
}
int jtag_check_value_inner(u8 *captured, u8 *in_check_value, u8 *in_check_mask, int num_bits);
static int jtag_check_value_mask_callback(u8 *in, jtag_callback_data_t data1, jtag_callback_data_t data2, jtag_callback_data_t data3)
{
return jtag_check_value_inner(in, (u8 *)data1, (u8 *)data2, (int)data3);
}
void jtag_add_dr_scan_check(int num_fields, scan_field_t *fields, tap_state_t state)
{
for (int i=0; i<num_fields; i++)
{
fields[i].allocated=0;
fields[i].modified=0;
if ((fields[i].check_value!=NULL)&&(fields[i].in_value==NULL))
{
fields[i].modified=1;
/* we need storage space... */
#ifdef HAVE_JTAG_MINIDRIVER_H
if (fields[i].num_bits<=32)
{
/* This is enough space and we're executing this synchronously */
fields[i].in_value=(u8 *)&fields[i].intmp;
} else
{
fields[i].in_value=(u8 *)malloc(CEIL(fields[i].num_bits, 8));
fields[i].allocated=1;
}
#else
fields[i].in_value=(u8 *)cmd_queue_alloc(CEIL(fields[i].num_bits, 8));
#endif
}
}
jtag_add_dr_scan(num_fields, fields, state);
for (int i=0; i<num_fields; i++)
{
if ((fields[i].check_value!=NULL)&&(fields[i].in_value!=NULL))
{
/* this is synchronous for a minidriver */
jtag_add_callback4(jtag_check_value_mask_callback, fields[i].in_value, fields[i].check_value, fields[i].check_mask, (jtag_callback_data_t)fields[i].num_bits);
}
if (fields[i].allocated)
{
free(fields[i].in_value);
}
if (fields[i].modified)
{
fields[i].in_value=NULL;
}
}
}
void jtag_add_dr_scan_now(int num_fields, scan_field_t *fields, tap_state_t state)
{
jtag_add_dr_scan(num_fields, fields, state);
@@ -1362,10 +1418,9 @@ static const char *jtag_tap_name(jtag_tap_t *tap)
return (tap == NULL) ? "(unknown)" : tap->dotted_name;
}
int jtag_check_value_inner(u8 *captured, scan_field_t *field, u8 *in_check_value, u8 *in_check_mask)
int jtag_check_value_inner(u8 *captured, u8 *in_check_value, u8 *in_check_mask, int num_bits)
{
int retval = ERROR_OK;
int num_bits = field->num_bits;
int compare_failed = 0;
@@ -1379,8 +1434,10 @@ int jtag_check_value_inner(u8 *captured, scan_field_t *field, u8 *in_check_value
* only report a problem when there wasn't a handler, or if the handler
* acknowledged the error
*/
/*
LOG_WARNING("TAP %s:",
jtag_tap_name(field->tap));
*/
if (compare_failed)
{
char *captured_char = buf_to_str(captured, (num_bits > DEBUG_JTAG_IOZ) ? DEBUG_JTAG_IOZ : num_bits, 16);
@@ -1422,7 +1479,7 @@ void jtag_check_value_mask(scan_field_t *field, u8 *value, u8 *mask)
jtag_execute_queue_noclear();
int retval=jtag_check_value_inner(field->in_value, field, value, mask);
int retval=jtag_check_value_inner(field->in_value, value, mask, field->num_bits);
jtag_set_error(retval);
}
@@ -1447,7 +1504,7 @@ enum scan_type jtag_scan_type(scan_command_t *cmd)
#ifndef HAVE_JTAG_MINIDRIVER_H
/* add callback to end of queue */
void jtag_add_callback3(jtag_callback_t callback, u8 *in, jtag_callback_data_t data1, jtag_callback_data_t data2)
void jtag_add_callback4(jtag_callback_t callback, u8 *in, jtag_callback_data_t data1, jtag_callback_data_t data2, jtag_callback_data_t data3)
{
struct jtag_callback_entry *entry=cmd_queue_alloc(sizeof(struct jtag_callback_entry));
@@ -1456,6 +1513,7 @@ void jtag_add_callback3(jtag_callback_t callback, u8 *in, jtag_callback_data_t d
entry->in=in;
entry->data1=data1;
entry->data2=data2;
entry->data3=data3;
if (jtag_callback_queue_head==NULL)
{
@@ -1469,7 +1527,7 @@ void jtag_add_callback3(jtag_callback_t callback, u8 *in, jtag_callback_data_t d
}
static int jtag_convert_to_callback3(u8 *in, jtag_callback_data_t data1, jtag_callback_data_t data2)
static int jtag_convert_to_callback4(u8 *in, jtag_callback_data_t data1, jtag_callback_data_t data2, jtag_callback_data_t data3)
{
((jtag_callback1_t)data1)(in);
return ERROR_OK;
@@ -1477,7 +1535,7 @@ static int jtag_convert_to_callback3(u8 *in, jtag_callback_data_t data1, jtag_ca
void jtag_add_callback(jtag_callback1_t callback, u8 *in)
{
jtag_add_callback3(jtag_convert_to_callback3, in, (jtag_callback_data_t)callback, 0);
jtag_add_callback4(jtag_convert_to_callback4, in, (jtag_callback_data_t)callback, 0, 0);
}
#endif
@@ -1500,7 +1558,7 @@ int interface_jtag_execute_queue(void)
struct jtag_callback_entry *entry;
for (entry=jtag_callback_queue_head; entry!=NULL; entry=entry->next)
{
retval=entry->callback(entry->in, entry->data1, entry->data2);
retval=entry->callback(entry->in, entry->data1, entry->data2, entry->data3);
if (retval!=ERROR_OK)
break;
}