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fix crash with DSP563XX 

When a DSP563xx-aware GDB asks OpenOCD for target registers,
the result should be a GDB with register data ... not an
OpenOCD crash.

(Note that mainline GDB doesn't currently support this core,
so for now, this requires a GDB with FreeScale patches.)

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
This commit is contained in:
Mathias Kuester 2010-02-14 12:59:10 -08:00 committed by David Brownell
parent a2ce3a51df
commit 52d4ba3467
1 changed files with 25 additions and 0 deletions
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25
src/target/dsp563xx.c
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@ -246,6 +246,29 @@ static const struct
/* *INDENT-ON* */ /* *INDENT-ON* */
}; };
static int dsp563xx_get_gdb_reg_list(struct target *target, struct reg **reg_list[],
int *reg_list_size)
{
struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
int i;
if (target->state != TARGET_HALTED)
{
return ERROR_TARGET_NOT_HALTED;
}
*reg_list_size = DSP563XX_NUMCOREREGS;
*reg_list = malloc(sizeof(struct reg *) * (*reg_list_size));
for (i = 0; i < DSP563XX_NUMCOREREGS; i++)
{
(*reg_list)[i] = &dsp563xx->core_cache->reg_list[i];
}
return ERROR_OK;
}
int dsp563xx_read_core_reg(struct target *target, int num) int dsp563xx_read_core_reg(struct target *target, int num)
{ {
uint32_t reg_value; uint32_t reg_value;
@ -974,6 +997,8 @@ struct target_type dsp563xx_target = {
.target_request_data = NULL, .target_request_data = NULL,
.get_gdb_reg_list = dsp563xx_get_gdb_reg_list,
.halt = dsp563xx_halt, .halt = dsp563xx_halt,
.resume = dsp563xx_resume, .resume = dsp563xx_resume,
.step = dsp563xx_step, .step = dsp563xx_step,