diff options
Diffstat (limited to 'core/cortex-m')
| -rw-r--r-- | core/cortex-m/watchdog.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/core/cortex-m/watchdog.c b/core/cortex-m/watchdog.c index 3e62b5f4c5..9e4a82c7b0 100644 --- a/core/cortex-m/watchdog.c +++ b/core/cortex-m/watchdog.c @@ -6,6 +6,7 @@ /* Watchdog common code */ #include "common.h" +#include "cpu.h" #include "panic.h" #include "task.h" #include "timer.h" @@ -28,6 +29,13 @@ void __keep watchdog_trace(uint32_t excep_lr, uint32_t excep_sp) panic_set_reason(PANIC_SW_WATCHDOG, stack[6], (excep_lr & 0xf) == 1 ? 0xff : task_get_current()); + /* + * This is our last breath, the last opportunity to sort out all + * matters. Flush and invalidate D-cache if cache enabled. + */ + if (IS_ENABLED(CONFIG_ARMV7M_CACHE)) + cpu_clean_invalidate_dcache(); + panic_printf("### WATCHDOG PC=%08x / LR=%08x / pSP=%08x ", stack[6], stack[5], psp); if ((excep_lr & 0xf) == 1) |