Break out debug dump functions into their own compilation unit
This commit is contained in:
Angus Gratton
parent
640609c3f5
commit
52f9b13faf
4 changed files with 122 additions and 75 deletions
|
|
@ -84,8 +84,6 @@ static void IRAM set_spi0_divisor(uint32_t divisor);
|
|||
static void zero_bss(void);
|
||||
static void init_networking(uint8_t *phy_info, uint8_t *mac_addr);
|
||||
static void init_g_ic(void);
|
||||
static void dump_excinfo(void);
|
||||
static void dump_stack(uint32_t *sp);
|
||||
static void user_start_phase2(void);
|
||||
static void dump_flash_sector(uint32_t start_sector, uint32_t length);
|
||||
static void dump_flash_config_sectors(uint32_t start_sector);
|
||||
|
|
@ -147,25 +145,6 @@ static void IRAM set_spi0_divisor(uint32_t divisor) {
|
|||
SPI(0).CTRL0 = SET_FIELD(SPI(0).CTRL0, SPI_CTRL0_CLOCK, clkdiv);
|
||||
}
|
||||
|
||||
// .text+0x148
|
||||
void IRAM sdk_user_fatal_exception_handler(uint32_t *sp) {
|
||||
if (!sdk_NMIIrqIsOn) {
|
||||
vPortEnterCritical();
|
||||
do {
|
||||
DPORT.DPORT0 &= 0xffffffe0;
|
||||
} while (DPORT.DPORT0 & 0x00000001);
|
||||
}
|
||||
Cache_Read_Disable();
|
||||
Cache_Read_Enable(0, 0, 1);
|
||||
dump_excinfo();
|
||||
if (sp)
|
||||
dump_stack(sp);
|
||||
uart_flush_txfifo(0);
|
||||
uart_flush_txfifo(1);
|
||||
sdk_system_restart_in_nmi();
|
||||
halt();
|
||||
}
|
||||
|
||||
|
||||
static void IRAM default_putc(char c) {
|
||||
uart_putc(0, c);
|
||||
|
|
@ -335,55 +314,6 @@ static void init_g_ic(void) {
|
|||
}
|
||||
}
|
||||
|
||||
// .Lfunc008 -- .irom0.text+0x2a0
|
||||
static void dump_excinfo(void) {
|
||||
uint32_t exccause, epc1, epc2, epc3, excvaddr, depc, excsave1;
|
||||
uint32_t excinfo[8];
|
||||
|
||||
RSR(exccause, exccause);
|
||||
printf("Fatal exception (%d): \n", (int)exccause);
|
||||
RSR(epc1, epc1);
|
||||
RSR(epc2, epc2);
|
||||
RSR(epc3, epc3);
|
||||
RSR(excvaddr, excvaddr);
|
||||
RSR(depc, depc);
|
||||
RSR(excsave1, excsave1);
|
||||
printf("%s=0x%08x\n", "epc1", epc1);
|
||||
printf("%s=0x%08x\n", "epc2", epc2);
|
||||
printf("%s=0x%08x\n", "epc3", epc3);
|
||||
printf("%s=0x%08x\n", "excvaddr", excvaddr);
|
||||
printf("%s=0x%08x\n", "depc", depc);
|
||||
printf("%s=0x%08x\n", "excsave1", excsave1);
|
||||
sdk_system_rtc_mem_read(0, excinfo, 32); // Why?
|
||||
excinfo[0] = 2;
|
||||
excinfo[1] = exccause;
|
||||
excinfo[2] = epc1;
|
||||
excinfo[3] = epc2;
|
||||
excinfo[4] = epc3;
|
||||
excinfo[5] = excvaddr;
|
||||
excinfo[6] = depc;
|
||||
excinfo[7] = excsave1;
|
||||
sdk_system_rtc_mem_write(0, excinfo, 32);
|
||||
}
|
||||
|
||||
/* There's a lot of smart stuff we could do while dumping stack
|
||||
but for now we just dump a likely looking section of stack
|
||||
memory
|
||||
*/
|
||||
static void dump_stack(uint32_t *sp) {
|
||||
printf("\nStack: SP=%p\n", sp);
|
||||
for(uint32_t *p = sp; p < sp + 32; p += 4) {
|
||||
if((intptr_t)p >= 0x3fffc000) {
|
||||
break; /* approximate end of RAM */
|
||||
}
|
||||
printf("%p: %08x %08x %08x %08x\n", p, p[0], p[1], p[2], p[3]);
|
||||
if(p[0] == 0xa5a5a5a5 && p[1] == 0xa5a5a5a5
|
||||
&& p[2] == 0xa5a5a5a5 && p[3] == 0xa5a5a5a5) {
|
||||
break; /* FreeRTOS uses this pattern to mark untouched stack space */
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// .irom0.text+0x398
|
||||
void sdk_wdt_init(void) {
|
||||
WDT.CTRL &= ~WDT_CTRL_ENABLE;
|
||||
|
|
|
|||
88
core/debug_dumps.c
Normal file
88
core/debug_dumps.c
Normal file
|
|
@ -0,0 +1,88 @@
|
|||
/* Code for dumping status/debug output/etc, including fatal
|
||||
* exception handling.
|
||||
*
|
||||
* Part of esp-open-rtos
|
||||
*
|
||||
* Partially reverse engineered from MIT licensed Espressif RTOS SDK Copyright (C) Espressif Systems.
|
||||
* Additions Copyright (C) 2015 Superhouse Automation Pty Ltd
|
||||
* BSD Licensed as described in the file LICENSE
|
||||
*/
|
||||
#include <string.h>
|
||||
#include <stdio.h>
|
||||
#include <FreeRTOS.h>
|
||||
#include <task.h>
|
||||
|
||||
#include "debug_dumps.h"
|
||||
#include "common_macros.h"
|
||||
#include "xtensa_ops.h"
|
||||
#include "esp/rom.h"
|
||||
#include "esp/uart.h"
|
||||
#include "espressif/esp_common.h"
|
||||
#include "sdk_internal.h"
|
||||
|
||||
void dump_excinfo(void) {
|
||||
uint32_t exccause, epc1, epc2, epc3, excvaddr, depc, excsave1;
|
||||
uint32_t excinfo[8];
|
||||
|
||||
RSR(exccause, exccause);
|
||||
printf("Fatal exception (%d): \n", (int)exccause);
|
||||
RSR(epc1, epc1);
|
||||
RSR(epc2, epc2);
|
||||
RSR(epc3, epc3);
|
||||
RSR(excvaddr, excvaddr);
|
||||
RSR(depc, depc);
|
||||
RSR(excsave1, excsave1);
|
||||
printf("%s=0x%08x\n", "epc1", epc1);
|
||||
printf("%s=0x%08x\n", "epc2", epc2);
|
||||
printf("%s=0x%08x\n", "epc3", epc3);
|
||||
printf("%s=0x%08x\n", "excvaddr", excvaddr);
|
||||
printf("%s=0x%08x\n", "depc", depc);
|
||||
printf("%s=0x%08x\n", "excsave1", excsave1);
|
||||
sdk_system_rtc_mem_read(0, excinfo, 32); // Why?
|
||||
excinfo[0] = 2;
|
||||
excinfo[1] = exccause;
|
||||
excinfo[2] = epc1;
|
||||
excinfo[3] = epc2;
|
||||
excinfo[4] = epc3;
|
||||
excinfo[5] = excvaddr;
|
||||
excinfo[6] = depc;
|
||||
excinfo[7] = excsave1;
|
||||
sdk_system_rtc_mem_write(0, excinfo, 32);
|
||||
}
|
||||
|
||||
/* There's a lot of smart stuff we could do while dumping stack
|
||||
but for now we just dump a likely looking section of stack
|
||||
memory
|
||||
*/
|
||||
void dump_stack(uint32_t *sp) {
|
||||
printf("\nStack: SP=%p\n", sp);
|
||||
for(uint32_t *p = sp; p < sp + 32; p += 4) {
|
||||
if((intptr_t)p >= 0x3fffc000) {
|
||||
break; /* approximate end of RAM */
|
||||
}
|
||||
printf("%p: %08x %08x %08x %08x\n", p, p[0], p[1], p[2], p[3]);
|
||||
if(p[0] == 0xa5a5a5a5 && p[1] == 0xa5a5a5a5
|
||||
&& p[2] == 0xa5a5a5a5 && p[3] == 0xa5a5a5a5) {
|
||||
break; /* FreeRTOS uses this pattern to mark untouched stack space */
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void IRAM fatal_exception_handler(uint32_t *sp) {
|
||||
if (!sdk_NMIIrqIsOn) {
|
||||
vPortEnterCritical();
|
||||
do {
|
||||
DPORT.DPORT0 &= 0xffffffe0;
|
||||
} while (DPORT.DPORT0 & 0x00000001);
|
||||
}
|
||||
Cache_Read_Disable();
|
||||
Cache_Read_Enable(0, 0, 1);
|
||||
dump_excinfo();
|
||||
if (sp)
|
||||
dump_stack(sp);
|
||||
uart_flush_txfifo(0);
|
||||
uart_flush_txfifo(1);
|
||||
sdk_system_restart_in_nmi();
|
||||
while(1) {}
|
||||
}
|
||||
|
||||
|
|
@ -69,7 +69,7 @@ DebugExceptionVector:
|
|||
|
||||
wsr a0, excsave2
|
||||
mov a2, a1
|
||||
call0 sdk_user_fatal_exception_handler
|
||||
call0 fatal_exception_handler
|
||||
rfi 2
|
||||
|
||||
.org VecBase + 0x20
|
||||
|
|
@ -83,7 +83,7 @@ KernelExceptionVector:
|
|||
|
||||
break 1, 0
|
||||
mov a2, a1
|
||||
call0 sdk_user_fatal_exception_handler
|
||||
call0 fatal_exception_handler
|
||||
rfe
|
||||
|
||||
.org VecBase + 0x50
|
||||
|
|
@ -101,7 +101,7 @@ DoubleExceptionVector:
|
|||
|
||||
break 1, 4
|
||||
mov a2, a1
|
||||
call0 sdk_user_fatal_exception_handler
|
||||
call0 fatal_exception_handler
|
||||
|
||||
/* Reset vector at offset 0x80 is unused, as vecbase gets reset to mask ROM
|
||||
* vectors on chip reset. */
|
||||
|
|
@ -259,7 +259,7 @@ LoadStoreErrorHandler:
|
|||
l32i a4, sp, 0x10
|
||||
rsr a1, excsave1
|
||||
mov a2, a1
|
||||
call0 sdk_user_fatal_exception_handler
|
||||
call0 fatal_exception_handler
|
||||
|
||||
.balign 4
|
||||
.LSE_assign_a1:
|
||||
|
|
@ -520,7 +520,7 @@ UserExceptionHandler:
|
|||
.LUserFailOtherExceptionCause:
|
||||
break 1, 1
|
||||
addi a2, a1, 0x50 /* UserExceptionHandler pushes stack down 0x50 */
|
||||
call0 sdk_user_fatal_exception_handler
|
||||
call0 fatal_exception_handler
|
||||
|
||||
/* _xt_user_exit is pushed onto the stack as part of the user exception handler,
|
||||
restores same set registers which were saved there and returns from exception */
|
||||
|
|
|
|||
29
core/include/debug_dumps.h
Normal file
29
core/include/debug_dumps.h
Normal file
|
|
@ -0,0 +1,29 @@
|
|||
/* Functions for dumping status/debug output/etc, including fatal
|
||||
* exception handling.
|
||||
*
|
||||
* Part of esp-open-rtos
|
||||
*
|
||||
* Copyright (C) 2015-2016 Superhouse Automation Pty Ltd
|
||||
* BSD Licensed as described in the file LICENSE
|
||||
*/
|
||||
#ifndef _DEBUG_DUMPS_H
|
||||
#define _DEBUG_DUMPS_H
|
||||
#include <stdint.h>
|
||||
|
||||
/* Dump stack memory starting from stack pointer address sp. */
|
||||
void dump_stack(uint32_t *sp);
|
||||
|
||||
/* Called from exception_vectors.S when a fatal exception occurs.
|
||||
|
||||
Probably not useful to be called in other contexts.
|
||||
*/
|
||||
void fatal_exception_handler(uint32_t *sp);
|
||||
|
||||
/* Dump the current exception register state.
|
||||
|
||||
Probably mostly useful when called from fatal exception handler.
|
||||
*/
|
||||
void dump_excinfo(void);
|
||||
|
||||
|
||||
#endif
|
||||
Loading…
Reference in a new issue