172 lines
4.8 KiB
C
172 lines
4.8 KiB
C
// Copyright 2020-2021 Beken
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <string.h>
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#include <stdint.h>
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#include "boot.h"
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#include "arm.h"
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#include "bk_arch.h"
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#include "bk_uart.h"
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#include <components/system.h>
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#include <os/os.h>
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#include <components/log.h>
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#include <common/bk_assert.h>
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#include <os/mem.h>
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#include <driver/wdt.h>
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#include "bk_aon_wdt.h"
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#include "partitions.h"
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#include "bk_wdt.h"
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#include "stack_base.h"
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#if CONFIG_CM_BACKTRACE
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#include "cm_backtrace.h"
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#endif
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#define STACK_CALLBACK_BUF_SIZE 32
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#define SOC_ITCM_CODE_SIZE (0x4000)
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#if CONFIG_SYS_CPU0
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extern unsigned char __iram_start__;
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extern unsigned char __iram_end__;
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#endif //#if CONFIG_SYS_CPU0
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extern char __etext;
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static inline int addr_is_in_flash_txt(uint32_t addr)
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{
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return ((addr > (uint32_t)(SOC_FLASH_DATA_BASE + CONFIG_PRIMARY_CPU0_APP_VIRTUAL_CODE_START)) && (addr < (uint32_t)&__etext));
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}
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static inline int addr_is_in_itcm_txt(uint32_t addr)
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{
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return ((addr > (uint32_t)SOC_ITCM_DATA_BASE) && (addr < (uint32_t)(SOC_ITCM_DATA_BASE + SOC_ITCM_CODE_SIZE)));
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}
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static inline int addr_is_in_iram_txt(uint32_t addr)
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{
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#if CONFIG_SYS_CPU0
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if ((addr > (uint32_t)&__iram_start__) && (addr < (uint32_t)&__iram_end__)) {
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return 1;
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}
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#endif
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return 0;
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}
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static int code_addr_is_valid(uint32_t addr)
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{
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if (addr % 2 == 0) {
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return false;
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}
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return (addr_is_in_flash_txt(addr) || addr_is_in_itcm_txt(addr) || addr_is_in_iram_txt(addr));
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// if (addr_is_in_flash_txt(addr) || addr_is_in_itcm_txt(addr) || addr_is_in_iram_txt(addr)) {
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// addr -= 1;
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// #if CONFIG_CM_BACKTRACE
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// if (!disassembly_ins_is_bl_blx(addr - sizeof(size_t))) {
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// return false;
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// }
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// #endif
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// return true;
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// }
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// return false;
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}
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void stack_mem_dump(uint32_t stack_top, uint32_t stack_bottom)
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{
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unsigned char *data = NULL;
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volatile uint32_t value = 0;
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uint32_t cnt = 0;
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uint32_t sp = stack_top;
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uint32_t fp = stack_bottom;
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if (stack_bottom <= stack_top) {
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return;
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}
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BK_DUMP_OUT(">>>>stack mem dump begin, stack_top=%08x, stack end=%08x\r\n", stack_top, stack_bottom);
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for (; sp < fp; sp += sizeof(size_t)) {
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value = os_get_word(sp);
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data = ((unsigned char *)&value);
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if ((cnt++ & 0x7) == 0) {
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BK_DUMP_OUT("\r\n");
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}
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#if CONFIG_DEBUG_FIRMWARE || CONFIG_DUMP_ENABLE
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if((cnt & 0xff) == 0) {
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#if (CONFIG_TASK_WDT)
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bk_task_wdt_feed();
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#endif
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bk_wdt_feed();
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#if (CONFIG_INT_AON_WDT)
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bk_int_aon_wdt_feed();
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#endif
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}
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#endif //#if CONFIG_DEBUG_FIRMWARE || CONFIG_DUMP_ENABLE
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BK_DUMP_OUT("%02x %02x %02x %02x ", data[0], data[1], data[2], data[3]);
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}
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BK_DUMP_OUT("\r\n");
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BK_DUMP_OUT("<<<<stack mem dump end. stack_top=%08x, stack end=%08x\r\n", stack_top, stack_bottom);
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BK_DUMP_OUT("\r\n");
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}
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/* The stack is grow from bottom to top
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*
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* | | <- minimum_addr = (bottom - stack_size)
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* | |
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* | |
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* | | <- top
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* | . |
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* | . |
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* | . | <- bottom, (big address)
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*
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* */
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void arch_parse_stack_backtrace(const char *str_type, uint32_t stack_top, uint32_t stack_bottom,
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uint32_t stack_size, bool thumb_mode)
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{
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uint32_t call_stack_buf[STACK_CALLBACK_BUF_SIZE] = {0};
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uint32_t stack_minimum = stack_bottom - stack_size;
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uint32_t pc;
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int call_stack_index = 0;
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uint32_t init_stack_top = stack_top;
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for (; stack_top < stack_bottom && (call_stack_index < STACK_CALLBACK_BUF_SIZE); stack_top += sizeof(size_t)) {
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pc = *((uint32_t *) stack_top);
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if (code_addr_is_valid(pc)) {
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if (pc & 1)
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pc = pc - 1;
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call_stack_buf[call_stack_index] = pc;
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call_stack_index++;
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}
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}
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if (call_stack_index > 0) {
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int index;
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BK_DUMP_OUT("%-16s [0x%-6x ~ 0x%-6x] 0x%-6x %-4d %-8d",
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str_type, stack_minimum, stack_bottom, init_stack_top, stack_size, init_stack_top < stack_minimum);
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for (index = 0; index < call_stack_index; index++)
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BK_DUMP_OUT("%lx ", call_stack_buf[index]);
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BK_DUMP_OUT("\r\n");
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} else if (init_stack_top < stack_minimum) {
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BK_DUMP_OUT("%-16s [0x%-6x ~ 0x%-6x] 0x%-6x %-4d %-8d ",
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str_type, stack_minimum, stack_bottom, init_stack_top, stack_size, init_stack_top < stack_minimum);
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}
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}
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