retval = dpm->instr_read_data_r0(dpm,
ARMV4_5_VMOV(1, 1, 0, ((regnum - ARM_VFP_V3_D0) >> 4),
((regnum - ARM_VFP_V3_D0) & 0xf)), &value_r0);
+ if (retval != ERROR_OK)
+ break;
+
/* read r1 via dcc */
retval = dpm->instr_read_data_dcc(dpm,
ARMV4_5_MCR(14, 0, 1, 0, 5, 0),
}
/* just read the register -- rely on the core mode being right */
-static int dpm_read_reg(struct arm_dpm *dpm, struct reg *r, unsigned regnum)
+int arm_dpm_read_reg(struct arm_dpm *dpm, struct reg *r, unsigned regnum)
{
uint32_t value;
int retval;
LOG_WARNING("Jazelle PC adjustment unknown");
break;
default:
- LOG_WARNING("unknow core state");
+ LOG_WARNING("unknown core state");
break;
}
break;
case ARM_VFP_V3_D0 ... ARM_VFP_V3_D31:
return dpm_read_reg_u64(dpm, r, regnum);
- break;
case ARM_VFP_V3_FPSCR:
/* "VMRS r0, FPSCR"; then return via DCC */
retval = dpm->instr_read_data_r0(dpm,
retval = dpm->instr_write_data_dcc(dpm,
ARMV4_5_MRC(14, 0, 1, 0, 5, 0),
value_r1);
+ if (retval != ERROR_OK)
+ break;
+
/* write value_r0 to r0 via dcc then,
* move to double word register from r0:r1: "vmov vm, r0, r1"
*/
break;
case ARM_VFP_V3_D0 ... ARM_VFP_V3_D31:
return dpm_write_reg_u64(dpm, r, regnum);
- break;
case ARM_VFP_V3_FPSCR:
/* move to r0 from DCC, then "VMSR FPSCR, r0" */
retval = dpm->instr_write_data_r0(dpm,
}
/**
- * Read basic registers of the the current context: R0 to R15, and CPSR;
+ * Read basic registers of the current context: R0 to R15, and CPSR;
* sets the core mode (such as USR or IRQ) and state (such as ARM or Thumb).
* In normal operation this is called on entry to halting debug state,
* possibly after some other operations supporting restore of debug state
for (unsigned i = 0; i < 2; i++) {
r = arm->core_cache->reg_list + i;
if (!r->valid) {
- retval = dpm_read_reg(dpm, r, i);
+ retval = arm_dpm_read_reg(dpm, r, i);
if (retval != ERROR_OK)
goto fail;
}
if (r->valid)
continue;
- retval = dpm_read_reg(dpm, r, i);
+ retval = arm_dpm_read_reg(dpm, r, i);
if (retval != ERROR_OK)
goto fail;
}
goto fail;
}
- retval = dpm_read_reg(dpm, r, regnum);
+ retval = arm_dpm_read_reg(dpm, r, regnum);
if (retval != ERROR_OK)
goto fail;
/* always clean up, regardless of error */
continue;
/* CPSR was read, so "R16" must mean SPSR */
- retval = dpm_read_reg(dpm,
+ retval = arm_dpm_read_reg(dpm,
&cache->reg_list[i],
(r->num == 16) ? 17 : r->num);
if (retval != ERROR_OK)
/* ?? */
break;
}
- dpm->wp_pc = addr;
+ dpm->wp_addr = addr;
}
/*----------------------------------------------------------------------*/
target->type->remove_breakpoint = dpm_remove_breakpoint;
}
- /* watchpoint setup */
- target->type->add_watchpoint = dpm_add_watchpoint;
- target->type->remove_watchpoint = dpm_remove_watchpoint;
+ /* watchpoint setup -- optional until it works everywhere */
+ if (!target->type->add_watchpoint) {
+ target->type->add_watchpoint = dpm_add_watchpoint;
+ target->type->remove_watchpoint = dpm_remove_watchpoint;
+ }
/* FIXME add vector catch support */
dpm->nbp = 1 + ((dpm->didr >> 24) & 0xf);
dpm->nwp = 1 + ((dpm->didr >> 28) & 0xf);
- dpm->dbp = calloc(dpm->nbp, sizeof *dpm->dbp);
- dpm->dwp = calloc(dpm->nwp, sizeof *dpm->dwp);
+ dpm->dbp = calloc(dpm->nbp, sizeof(*dpm->dbp));
+ dpm->dwp = calloc(dpm->nwp, sizeof(*dpm->dwp));
if (!dpm->dbp || !dpm->dwp) {
+ arm_free_reg_cache(arm);
free(dpm->dbp);
free(dpm->dwp);
return ERROR_FAIL;