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rusefi/firmware/controllers/core/error_handling.cpp

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/**
* @file error_handling.cpp
*
* @date Apr 1, 2014
* @author Andrey Belomutskiy, (c) 2012-2020
*/
#include "pch.h"
#include "rusefi/efistringutil.h"
#include "backup_ram.h"
#include "error_handling_led.h"
static critical_msg_t warningBuffer;
static critical_msg_t criticalErrorMessageBuffer;
extern int warningEnabled;
bool hasFirmwareErrorFlag = false;
const char *dbg_panic_file;
int dbg_panic_line;
const char* getCriticalErrorMessage(void) {
return criticalErrorMessageBuffer;
}
#if EFI_PROD_CODE
void checkLastBootError() {
#if EFI_BACKUP_SRAM
auto sramState = getBackupSram();
switch (sramState->Cookie) {
case ErrorCookie::FirmwareError:
efiPrintf("Last boot had firmware error: %s", sramState->ErrorString);
break;
case ErrorCookie::HardFault: {
efiPrintf("Last boot had raw: %s", sramState->rawMsg);
efiPrintf("Last boot had hardFile: %s", sramState->hardFile);
efiPrintf("Last boot had line: %d", sramState->hardLine);
efiPrintf("Last boot had check: %d", sramState->check);
efiPrintf("Last boot had error: %s", sramState->ErrorString);
efiPrintf("Last boot had hard fault type: %x addr: %x CSFR: %x", sramState->FaultType, sramState->FaultAddress, sramState->Csfr);
if (engineConfiguration->rethrowHardFault) {
criticalError("Last boot had hard fault type: %x addr: %x CSFR: %x", sramState->FaultType, sramState->FaultAddress, sramState->Csfr);
}
auto ctx = &sramState->FaultCtx;
efiPrintf("r0 0x%x", ctx->r0);
efiPrintf("r1 0x%x", ctx->r1);
efiPrintf("r2 0x%x", ctx->r2);
efiPrintf("r3 0x%x", ctx->r3);
efiPrintf("r12 0x%x", ctx->r12);
efiPrintf("lr (thread) 0x%x", ctx->lr_thd);
efiPrintf("pc 0x%x", ctx->pc);
efiPrintf("xpsr 0x%x", ctx->xpsr);
/* FPU registers - not very usefull for debug */
if (0) {
// Print rest the context as a sequence of uintptr
uintptr_t* data = reinterpret_cast<uintptr_t*>(&sramState->FaultCtx);
for (size_t i = 8; i < sizeof(port_extctx) / sizeof(uintptr_t); i++) {
efiPrintf("Fault ctx %d: %x", i, data[i]);
}
}
break;
}
default:
// No cookie stored or invalid cookie (ie, backup RAM contains random garbage)
break;
}
// Reset cookie so we don't print it again.
sramState->Cookie = ErrorCookie::None;
if (sramState->BootCountCookie != 0xdeadbeef) {
sramState->BootCountCookie = 0xdeadbeef;
sramState->BootCount = 0;
}
efiPrintf("Power cycle count: %d", sramState->BootCount);
sramState->BootCount++;
#endif // EFI_BACKUP_SRAM
}
void logHardFault(uint32_t type, uintptr_t faultAddress, port_extctx* ctx, uint32_t csfr) {
criticalShutdown();
#if EFI_BACKUP_SRAM
auto sramState = getBackupSram();
sramState->Cookie = ErrorCookie::HardFault;
sramState->check = 321;
sramState->FaultType = type;
sramState->FaultAddress = faultAddress;
sramState->Csfr = csfr;
memcpy(&sramState->FaultCtx, ctx, sizeof(port_extctx));
#endif // EFI_BACKUP_SRAM
}
#endif /* EFI_PROD_CODE */
#if EFI_SIMULATOR || EFI_PROD_CODE
void chDbgPanic3(const char *msg, const char * file, int line) {
#if EFI_PROD_CODE
// Attempt to break in to the debugger, if attached
__asm volatile("BKPT #0\n");
#endif
#if EFI_BACKUP_SRAM
auto sramState = getBackupSram();
if (sramState != nullptr) {
strncpy(sramState->hardFile, file, efi::size(sramState->hardFile));
sramState->hardLine = line;
sramState->check = 123;
strncpy(sramState->rawMsg, msg, efi::size(sramState->rawMsg));
}
#endif // EFI_BACKUP_SRAM
if (hasOsPanicError())
return;
dbg_panic_file = file;
dbg_panic_line = line;
#if CH_DBG_SYSTEM_STATE_CHECK
ch.dbg.panic_msg = msg;
#endif /* CH_DBG_SYSTEM_STATE_CHECK */
#if !EFI_PROD_CODE
printf("chDbgPanic3 %s %s%d", msg, file, line);
exit(-1);
#else // EFI_PROD_CODE
criticalError("assert fail %s %s:%d", msg, file, line);
// If on the main thread, longjmp back to the init process so we can keep USB alive
if (chThdGetSelfX()->threadId == 0) {
// Force unlock, since we may be throwing-under-lock
chSysUnconditionalUnlock();
// there was a port_disable in chSysHalt, reenable interrupts so USB works
port_enable();
__NO_RETURN void onAssertionFailure();
onAssertionFailure();
} else {
// Not the main thread.
// All hope is now lost.
// Reboot!
NVIC_SystemReset();
}
#endif // EFI_PROD_CODE
}
#else
WarningCodeState unitTestWarningCodeState;
#endif /* EFI_SIMULATOR || EFI_PROD_CODE */
/**
* ObdCode::OBD_PCM_Processor_Fault is the general error code for now
*
* @returns TRUE in case there were warnings recently
*/
bool warning(ObdCode code, const char *fmt, ...) {
if (hasFirmwareErrorFlag)
return true;
#if EFI_SIMULATOR || EFI_PROD_CODE
// we just had this same warning, let's not spam
if (engine->engineState.warnings.isWarningNow(code)) {
return true;
}
engine->engineState.warnings.addWarningCode(code);
va_list ap;
va_start(ap, fmt);
chvsnprintf(warningBuffer, sizeof(warningBuffer), fmt, ap);
va_end(ap);
if (engineConfiguration->showHumanReadableWarning) {
#if EFI_TUNER_STUDIO
memcpy(persistentState.persistentConfiguration.warning_message, warningBuffer, sizeof(warningBuffer));
#endif /* EFI_TUNER_STUDIO */
}
efiPrintf("WARNING: %s", warningBuffer);
#else
// todo: we need access to 'engine' here so that we can migrate to real 'engine->engineState.warnings'
unitTestWarningCodeState.addWarningCode(code);
printf("unit_test_warning: ");
va_list ap;
va_start(ap, fmt);
vprintf(fmt, ap);
va_end(ap);
printf("\r\n");
#endif /* EFI_SIMULATOR || EFI_PROD_CODE */
return false;
}
const char* getWarningMessage(void) {
return warningBuffer;
}
#if EFI_CLOCK_LOCKS
uint32_t lastLockTime;
/**
* Maximum time before requesting lock and releasing lock at the end of critical section
*/
uint32_t maxLockedDuration = 0;
/**
* this depends on chdebug.h patch
#if CH_DBG_SYSTEM_STATE_CHECK == TRUE
-#define _dbg_enter_lock() (ch.dbg.lock_cnt = (cnt_t)1)
-#define _dbg_leave_lock() (ch.dbg.lock_cnt = (cnt_t)0)
+#define _dbg_enter_lock() {(ch.dbg.lock_cnt = (cnt_t)1); ON_LOCK_HOOK;}
+#define _dbg_leave_lock() {ON_UNLOCK_HOOK;(ch.dbg.lock_cnt = (cnt_t)0);}
#endif
*/
#endif /* EFI_CLOCK_LOCKS */
void onLockHook(void) {
#if ENABLE_PERF_TRACE
perfEventInstantGlobal(PE::GlobalLock);
#endif /* ENABLE_PERF_TRACE */
#if EFI_CLOCK_LOCKS
lastLockTime = getTimeNowLowerNt();
#endif /* EFI_CLOCK_LOCKS */
}
void onUnlockHook(void) {
#if EFI_CLOCK_LOCKS
uint32_t lockedDuration = getTimeNowLowerNt() - lastLockTime;
if (lockedDuration > maxLockedDuration) {
maxLockedDuration = lockedDuration;
}
// if (lockedDuration > 2800) {
// // un-comment this if you want a nice stop for a breakpoint
// maxLockedDuration = lockedDuration + 1;
// }
#endif /* EFI_CLOCK_LOCKS */
#if ENABLE_PERF_TRACE
perfEventInstantGlobal(PE::GlobalUnlock);
#endif /* ENABLE_PERF_TRACE */
}
#if EFI_SIMULATOR || EFI_UNIT_TEST
#include <stdexcept>
#endif
void firmwareError(ObdCode code, const char *fmt, ...) {
#if EFI_PROD_CODE
if (hasFirmwareErrorFlag)
return;
getLimpManager()->fatalError();
engine->engineState.warnings.addWarningCode(code);
#ifdef EFI_PRINT_ERRORS_AS_WARNINGS
va_list ap;
va_start(ap, fmt);
chvsnprintf(warningBuffer, sizeof(warningBuffer), fmt, ap);
va_end(ap);
#endif
criticalShutdown();
enginePins.communicationLedPin.setValue(1, /*force*/true);
hasFirmwareErrorFlag = true;
if (indexOf(fmt, '%') == -1) {
/**
* in case of simple error message let's reduce stack usage
* chvsnprintf could cause an overflow if we're already low
*/
strncpy((char*) criticalErrorMessageBuffer, fmt, sizeof(criticalErrorMessageBuffer) - 1);
criticalErrorMessageBuffer[sizeof(criticalErrorMessageBuffer) - 1] = 0; // just to be sure
} else {
va_list ap;
va_start(ap, fmt);
chvsnprintf(criticalErrorMessageBuffer, sizeof(criticalErrorMessageBuffer), fmt, ap);
va_end(ap);
}
int errorMessageSize = strlen((char*)criticalErrorMessageBuffer);
static char versionBuffer[32];
chsnprintf(versionBuffer, sizeof(versionBuffer), " %d@%s", getRusEfiVersion(), FIRMWARE_ID);
if (errorMessageSize + strlen(versionBuffer) < sizeof(criticalErrorMessageBuffer)) {
strcpy((char*)(criticalErrorMessageBuffer) + errorMessageSize, versionBuffer);
}
#if EFI_BACKUP_SRAM
auto sramState = getBackupSram();
if (sramState != nullptr) {
strncpy(sramState->ErrorString, criticalErrorMessageBuffer, efi::size(sramState->ErrorString));
sramState->Cookie = ErrorCookie::FirmwareError;
}
#endif // EFI_BACKUP_SRAM
#else
char errorBuffer[200];
va_list ap;
va_start(ap, fmt);
vsnprintf(errorBuffer, sizeof(errorBuffer), fmt, ap);
va_end(ap);
printf("\x1B[31m>>>>>>>>>> firmwareError [%s]\r\n\x1B[0m\r\n", errorBuffer);
#if EFI_SIMULATOR || EFI_UNIT_TEST
throw std::logic_error(errorBuffer);
#endif /* EFI_SIMULATOR */
#endif
}
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