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Diffstat (limited to 'src/vendorcode/google/chromeos/watchdog.c')
-rw-r--r-- | src/vendorcode/google/chromeos/watchdog.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/src/vendorcode/google/chromeos/watchdog.c b/src/vendorcode/google/chromeos/watchdog.c index a2b18b75e5..fdaa17761a 100644 --- a/src/vendorcode/google/chromeos/watchdog.c +++ b/src/vendorcode/google/chromeos/watchdog.c @@ -14,24 +14,37 @@ */ #include <arch/io.h> +#include <assert.h> +#include <bootstate.h> #include <console/console.h> #include <elog.h> #include <reset.h> +#include <symbols.h> #include "chromeos.h" #include "symbols.h" #define WATCHDOG_TOMBSTONE_MAGIC 0x9d2f41a7 -void elog_add_watchdog_reset(void) +DECLARE_OPTIONAL_REGION(watchdog_tombstone); + +static void elog_handle_watchdog_tombstone(void *unused) { + if (!_watchdog_tombstone_size) + return; + if (read32(_watchdog_tombstone) == WATCHDOG_TOMBSTONE_MAGIC) elog_add_event(ELOG_TYPE_ASYNC_HW_TIMER_EXPIRED); + write32(_watchdog_tombstone, 0); } +BOOT_STATE_INIT_ENTRY(BS_POST_DEVICE, BS_ON_ENTRY, + elog_handle_watchdog_tombstone, NULL); + void mark_watchdog_tombstone(void) { + assert(_watchdog_tombstone_size); write32(_watchdog_tombstone, WATCHDOG_TOMBSTONE_MAGIC); } |