esp32: ReformatReformat panic.c (remove tabs, etc)

This commit is contained in:
Angus Gratton 2016-12-07 13:25:26 -08:00
parent 20fd57f147
commit b98405f9d9
2 changed files with 231 additions and 190 deletions

View file

@ -45,12 +45,14 @@ Note: The linker script will put everything in this file in IRAM/DRAM, so it als
#if !CONFIG_ESP32_PANIC_SILENT_REBOOT
//printf may be broken, so we fix our own printing fns...
inline static void panicPutChar(char c) {
inline static void panicPutChar(char c)
{
while (((READ_PERI_REG(UART_STATUS_REG(0)) >> UART_TXFIFO_CNT_S)&UART_TXFIFO_CNT) >= 126) ;
WRITE_PERI_REG(UART_FIFO_REG(0), c);
}
inline static void panicPutStr(const char *c) {
inline static void panicPutStr(const char *c)
{
int x = 0;
while (c[x] != 0) {
panicPutChar(c[x]);
@ -58,21 +60,31 @@ inline static void panicPutStr(const char *c) {
}
}
inline static void panicPutHex(int a) {
inline static void panicPutHex(int a)
{
int x;
int c;
for (x = 0; x < 8; x++) {
c = (a >> 28) & 0xf;
if (c<10) panicPutChar('0'+c); else panicPutChar('a'+c-10);
if (c < 10) {
panicPutChar('0' + c);
} else {
panicPutChar('a' + c - 10);
}
a <<= 4;
}
}
inline static void panicPutDec(int a) {
inline static void panicPutDec(int a)
{
int n1, n2;
n1 = a % 10;
n2 = a / 10;
if (n2==0) panicPutChar(' '); else panicPutChar(n2+'0');
if (n2 == 0) {
panicPutChar(' ');
} else {
panicPutChar(n2 + '0');
}
panicPutChar(n1 + '0');
}
#else
@ -84,7 +96,8 @@ inline static void panicPutDec(int a) { }
#endif
void __attribute__((weak)) vApplicationStackOverflowHook( TaskHandle_t xTask, signed char *pcTaskName ) {
void __attribute__((weak)) vApplicationStackOverflowHook( TaskHandle_t xTask, signed char *pcTaskName )
{
panicPutStr("***ERROR*** A stack overflow in task ");
panicPutStr((char *)pcTaskName);
panicPutStr(" has been detected.\r\n");
@ -115,7 +128,8 @@ static void haltOtherCore()
}
//Returns true when a debugger is attached using JTAG.
static int inOCDMode() {
static int inOCDMode()
{
#if CONFIG_ESP32_DEBUG_OCDAWARE
int dcr;
int reg = 0x10200C; //DSRSET register
@ -126,7 +140,8 @@ static int inOCDMode() {
#endif
}
void panicHandler(XtExcFrame *frame) {
void panicHandler(XtExcFrame *frame)
{
int *regs = (int *)frame;
//Please keep in sync with PANIC_RSN_* defines
const char *reasons[] = {
@ -140,7 +155,9 @@ void panicHandler(XtExcFrame *frame) {
};
const char *reason = reasons[0];
//The panic reason is stored in the EXCCAUSE register.
if (regs[20]<=PANIC_RSN_MAX) reason=reasons[regs[20]];
if (regs[20] <= PANIC_RSN_MAX) {
reason = reasons[regs[20]];
}
haltOtherCore();
panicPutStr("Guru Meditation Error: Core ");
panicPutDec(xPortGetCoreID());
@ -154,7 +171,8 @@ void panicHandler(XtExcFrame *frame) {
commonErrorHandler(frame);
}
static void setFirstBreakpoint(uint32_t pc) {
static void setFirstBreakpoint(uint32_t pc)
{
asm(
"wsr.ibreaka0 %0\n" \
"rsr.ibreakenable a3\n" \
@ -164,14 +182,19 @@ static void setFirstBreakpoint(uint32_t pc) {
::"r"(pc):"a3", "a4");
}
void xt_unhandled_exception(XtExcFrame *frame) {
void xt_unhandled_exception(XtExcFrame *frame)
{
int *regs = (int *)frame;
int x;
haltOtherCore();
panicPutStr("Guru Meditation Error of type ");
x = regs[20];
if (x<40) panicPutStr(edesc[x]); else panicPutStr("Unknown");
if (x < 40) {
panicPutStr(edesc[x]);
} else {
panicPutStr("Unknown");
}
panicPutStr(" occurred on core ");
panicPutDec(xPortGetCoreID());
if (inOCDMode()) {
@ -195,7 +218,8 @@ the risk of somehow halting in the panic handler and not resetting. That is why
all watchdogs except the timer group 0 watchdog, and it reconfigures that to reset the chip after
one second.
*/
static void reconfigureAllWdts() {
static void reconfigureAllWdts()
{
TIMERG0.wdt_wprotect = TIMG_WDT_WKEY_VALUE;
TIMERG0.wdt_feed = 1;
TIMERG0.wdt_config0.sys_reset_length = 7; //3.2uS
@ -215,7 +239,8 @@ static void reconfigureAllWdts() {
/*
This disables all the watchdogs for when we call the gdbstub.
*/
static void disableAllWdts() {
static void disableAllWdts()
{
TIMERG0.wdt_wprotect = TIMG_WDT_WKEY_VALUE;
TIMERG0.wdt_config0.en = 0;
TIMERG0.wdt_wprotect = 0;
@ -226,17 +251,22 @@ static void disableAllWdts() {
#endif
static inline bool stackPointerIsSane(uint32_t sp) {
static inline bool stackPointerIsSane(uint32_t sp)
{
return !(sp < 0x3ffae010 || sp > 0x3ffffff0 || ((sp & 0xf) != 0));
}
static void putEntry(uint32_t pc, uint32_t sp) {
if (pc & 0x80000000) pc = (pc & 0x3fffffff) | 0x40000000;
static void putEntry(uint32_t pc, uint32_t sp)
{
if (pc & 0x80000000) {
pc = (pc & 0x3fffffff) | 0x40000000;
}
panicPutStr(" 0x");
panicPutHex(pc);
panicPutStr(":0x");
panicPutHex(sp);
}
void doBacktrace(XtExcFrame *frame) {
void doBacktrace(XtExcFrame *frame)
{
uint32_t i = 0, pc = frame->pc, sp = frame->a1;
panicPutStr("\nBacktrace:");
/* Do not check sanity on first entry, PC could be smashed. */
@ -244,11 +274,15 @@ void doBacktrace(XtExcFrame *frame) {
pc = frame->a0;
while (i++ < 100) {
uint32_t psp = sp;
if (!stackPointerIsSane(sp) || i++ > 100) break;
if (!stackPointerIsSane(sp) || i++ > 100) {
break;
}
sp = *((uint32_t *) (sp - 0x10 + 4));
putEntry(pc, sp);
pc = *((uint32_t *) (psp - 0x10));
if (pc < 0x40000000) break;
if (pc < 0x40000000) {
break;
}
}
panicPutStr("\n\n");
}
@ -257,13 +291,15 @@ void doBacktrace(XtExcFrame *frame) {
We arrive here after a panic or unhandled exception, when no OCD is detected. Dump the registers to the
serial port and either jump to the gdb stub, halt the CPU or reboot.
*/
void commonErrorHandler(XtExcFrame *frame) {
void commonErrorHandler(XtExcFrame *frame)
{
int *regs = (int *)frame;
int x, y;
const char *sdesc[] = {
"PC ", "PS ", "A0 ", "A1 ", "A2 ", "A3 ", "A4 ", "A5 ",
"A6 ", "A7 ", "A8 ", "A9 ", "A10 ", "A11 ", "A12 ", "A13 ",
"A14 ","A15 ","SAR ","EXCCAUSE","EXCVADDR","LBEG ","LEND ","LCOUNT "};
"A14 ", "A15 ", "SAR ", "EXCCAUSE", "EXCVADDR", "LBEG ", "LEND ", "LCOUNT "
};
//Feed the watchdogs, so they will give us time to print out debug info
reconfigureAllWdts();
@ -289,7 +325,9 @@ void commonErrorHandler(XtExcFrame *frame) {
esp_gdbstub_panic_handler(frame);
#elif CONFIG_ESP32_PANIC_PRINT_REBOOT || CONFIG_ESP32_PANIC_SILENT_REBOOT
panicPutStr("Rebooting...\r\n");
for (x=0; x<100; x++) ets_delay_us(1000);
for (x = 0; x < 100; x++) {
ets_delay_us(1000);
}
software_reset();
#else
disableAllWdts();
@ -299,7 +337,10 @@ void commonErrorHandler(XtExcFrame *frame) {
}
void esp_set_breakpoint_if_jtag(void *fn) {
if (!inOCDMode()) return;
void esp_set_breakpoint_if_jtag(void *fn)
{
if (!inOCDMode()) {
return;
}
setFirstBreakpoint((uint32_t)fn);
}

0
tools/format.sh Normal file → Executable file
View file