void panic_assert_fail(const char *fname, int linenum)
{
panic_printf("\nASSERTION FAILURE at %s:%d\n", fname, linenum);
#ifdef CONFIG_SOFTWARE_PANIC
software_panic(PANIC_SW_ASSERT, linenum);
#else
panic_reboot();
#endif
}
void __attribute__((optimize("O0"))) panic(char* error, ...) {
if(unlikely(!spinlock_get(&lock, 30))) {
freeze();
}
va_list va;
va_start(va, error);
interrupts_disable();
panic_printf("\nKernel Panic: ");
vprintf(error, va);
serial_vprintf(error, va);
panic_printf("\n");
va_end(va);
panic_printf("Last PIT tick: %d (rate %d, uptime: %d seconds)\n",
(uint32_t)timer_tick, timer_rate, uptime());
task_t* task = scheduler_get_current();
if(task) {
panic_printf("Running task: %d <%s>", task->pid, task->name);
/* uint32_t task_offset = task->state->eip - task->entry;
if(task_offset >= 0) {
panic_printf("+%x at 0x%x", task_offset, task->state->eip);
}
*/
panic_printf("\n");
} else {
panic_printf("Running task: [No task running]\n");
}
panic_printf("Paging context: %s\n\n", vmem_get_name(vmem_currentContext));
panic_printf("Call trace:\n");
intptr_t addresses[10];
int read = walk_stack(addresses, 10);
for(int i = 0; i < read; i++) {
panic_printf("#%-6d %s <%#x>\n", i, addr2name(addresses[i]), addresses[i]);
}
freeze();
}
static void pd_check_panic(struct ec_response_pd_status *pd_status)
{
static int pd_in_rw;
/*
* Check if PD MCU is in RW. If PD MCU was in RW, is now in RO,
* AND it did not sysjump to RO, then it must have crashed, and
* therefore we should panic as well.
*/
if (pd_status->status & PD_STATUS_IN_RW) {
pd_in_rw = 1;
} else if (pd_in_rw &&
!(pd_status->status & PD_STATUS_JUMPED_TO_IMAGE)) {
panic_printf("PD crash");
software_panic(PANIC_SW_PD_CRASH, 0);
}
}
void panic(const char *msg)
{
panic_printf("\n** PANIC: %s\n", msg);
panic_reboot();
}
static void pd_exchange_status(void)
{
struct ec_params_pd_status ec_status;
struct ec_response_pd_status pd_status;
int rv = 0;
#ifdef CONFIG_HOSTCMD_PD_PANIC
static int pd_in_rw;
#endif
/* Send PD charge state and battery state of charge */
ec_status.charge_state = charge_state;
if (charge_get_flags() & CHARGE_FLAG_BATT_RESPONSIVE)
ec_status.batt_soc = charge_get_percent();
else
ec_status.batt_soc = -1;
rv = pd_host_command(EC_CMD_PD_EXCHANGE_STATUS, 1, &ec_status,
sizeof(struct ec_params_pd_status), &pd_status,
sizeof(struct ec_response_pd_status));
/* If PD doesn't support new command version, try old version */
if (rv == -EC_RES_INVALID_VERSION)
rv = pd_host_command(EC_CMD_PD_EXCHANGE_STATUS, 0, &ec_status,
sizeof(struct ec_params_pd_status), &pd_status,
sizeof(struct ec_response_pd_status));
if (rv < 0) {
CPRINTS("Host command to PD MCU failed");
return;
}
#ifdef CONFIG_HOSTCMD_PD_PANIC
/*
* Check if PD MCU is in RW. If PD MCU was in RW and is now in RO
* AND it did not sysjump to RO, then it must have crashed, and
* therefore we should panic as well.
*/
if (pd_status.status & PD_STATUS_IN_RW) {
pd_in_rw = 1;
} else if (pd_in_rw &&
!(pd_status.status & PD_STATUS_JUMPED_TO_IMAGE)) {
panic_printf("PD crash");
software_panic(PANIC_SW_PD_CRASH, 0);
}
#endif
#ifdef HAS_TASK_LIGHTBAR
/*
* If charge port has changed, and it was initialized, then show
* battery status on lightbar.
*/
if (pd_status.active_charge_port != charge_port) {
if (charge_port != CHARGE_PORT_UNINITIALIZED) {
charge_port = pd_status.active_charge_port;
lightbar_sequence(LIGHTBAR_TAP);
} else {
charge_port = pd_status.active_charge_port;
}
}
#else
/* Store the active charge port */
charge_port = pd_status.active_charge_port;
#endif
/* Set input current limit */
rv = charge_set_input_current_limit(MAX(pd_status.curr_lim_ma,
CONFIG_CHARGER_INPUT_CURRENT));
if (rv < 0)
CPRINTS("Failed to set input current limit from PD MCU");
/* If PD is signalling host event, then pass it up to AP */
if (pd_status.status & PD_STATUS_HOST_EVENT)
host_set_single_event(EC_HOST_EVENT_PD_MCU);
}
