cortex_m->dcb_dhcsr caches status of DHCSR register.
Use it instead of local variable in cortex_m_soft_reset_halt()
like in other code.
Extracted from [1].
[1] Antonio Borneo: 6207: cortex_m: rework handling of dcb_dhcsr
Link: https://review.openocd.org/c/openocd/+/6207
Change-Id: I9a0aeba0b6b0b4969f05f4a32fc2fc8d244f56ca
Signed-off-by: Tomas Vanek <vanekt@fbl.cz>
Reviewed-on: https://review.openocd.org/c/openocd/+/6677
Tested-by: jenkins
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>
Reviewed-by: Tarek BOCHKATI <tarek.bouchkati@gmail.com>
{
struct cortex_m_common *cortex_m = target_to_cm(target);
struct armv7m_common *armv7m = &cortex_m->armv7m;
{
struct cortex_m_common *cortex_m = target_to_cm(target);
struct armv7m_common *armv7m = &cortex_m->armv7m;
- uint32_t dcb_dhcsr = 0;
int retval, timeout = 0;
/* on single cortex_m MCU soft_reset_halt should be avoided as same functionality
int retval, timeout = 0;
/* on single cortex_m MCU soft_reset_halt should be avoided as same functionality
register_cache_invalidate(cortex_m->armv7m.arm.core_cache);
while (timeout < 100) {
register_cache_invalidate(cortex_m->armv7m.arm.core_cache);
while (timeout < 100) {
- retval = mem_ap_read_atomic_u32(armv7m->debug_ap, DCB_DHCSR, &dcb_dhcsr);
+ retval = mem_ap_read_atomic_u32(armv7m->debug_ap, DCB_DHCSR, &cortex_m->dcb_dhcsr);
if (retval == ERROR_OK) {
retval = mem_ap_read_atomic_u32(armv7m->debug_ap, NVIC_DFSR,
&cortex_m->nvic_dfsr);
if (retval != ERROR_OK)
return retval;
if (retval == ERROR_OK) {
retval = mem_ap_read_atomic_u32(armv7m->debug_ap, NVIC_DFSR,
&cortex_m->nvic_dfsr);
if (retval != ERROR_OK)
return retval;
- if ((dcb_dhcsr & S_HALT)
+ if ((cortex_m->dcb_dhcsr & S_HALT)
&& (cortex_m->nvic_dfsr & DFSR_VCATCH)) {
&& (cortex_m->nvic_dfsr & DFSR_VCATCH)) {
- LOG_DEBUG("system reset-halted, DHCSR 0x%08x, "
- "DFSR 0x%08x",
- (unsigned) dcb_dhcsr,
- (unsigned) cortex_m->nvic_dfsr);
+ LOG_DEBUG("system reset-halted, DHCSR 0x%08" PRIx32 ", DFSR 0x%08" PRIx32,
+ cortex_m->dcb_dhcsr, cortex_m->nvic_dfsr);
cortex_m_poll(target);
/* FIXME restore user's vector catch config */
return ERROR_OK;
} else
LOG_DEBUG("waiting for system reset-halt, "
cortex_m_poll(target);
/* FIXME restore user's vector catch config */
return ERROR_OK;
} else
LOG_DEBUG("waiting for system reset-halt, "
- "DHCSR 0x%08x, %d ms",
- (unsigned) dcb_dhcsr, timeout);
+ "DHCSR 0x%08" PRIx32 ", %d ms",
+ cortex_m->dcb_dhcsr, timeout);
}
timeout++;
alive_sleep(1);
}
timeout++;
alive_sleep(1);
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