Eduardo José Tagle
7 years ago
committed by
Scott Lahteine
Scott Lahteine
15 changed files with 469 additions and 240 deletions
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/**
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* Marlin 3D Printer Firmware |
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* Copyright (C) 2016, 2017 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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* |
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* Based on Sprinter and grbl. |
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* Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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* |
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*/ |
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#include "backtrace.h" |
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#if defined(__arm__) || defined(__thumb__) |
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#include "unwinder.h" |
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#include "unwmemaccess.h" |
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#include "../Marlin.h" |
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// Dump a backtrace entry
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static bool UnwReportOut(void* ctx, const UnwReport* bte) { |
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int* p = (int*)ctx; |
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(*p)++; |
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SERIAL_CHAR('#'); SERIAL_PRINT(*p,DEC); SERIAL_ECHOPGM(" : "); |
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SERIAL_ECHOPGM(bte->name?bte->name:"unknown"); SERIAL_ECHOPGM("@0x"); SERIAL_PRINT(bte->function,HEX); |
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SERIAL_CHAR('+'); SERIAL_PRINT(bte->address - bte->function,DEC); |
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SERIAL_ECHOPGM(" PC:"); SERIAL_PRINT(bte->address,HEX); SERIAL_CHAR('\n'); |
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return true; |
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} |
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#if defined(UNW_DEBUG) |
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void UnwPrintf(const char* format, ...) { |
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char dest[256]; |
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va_list argptr; |
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va_start(argptr, format); |
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vsprintf(dest, format, argptr); |
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va_end(argptr); |
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TX(&dest[0]); |
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} |
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#endif |
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/* Table of function pointers for passing to the unwinder */ |
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static const UnwindCallbacks UnwCallbacks = { |
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UnwReportOut, |
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UnwReadW, |
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UnwReadH, |
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UnwReadB |
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#if defined(UNW_DEBUG) |
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,UnwPrintf |
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#endif |
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}; |
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void backtrace(void) { |
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UnwindFrame btf; |
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uint32_t sp,lr,pc; |
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// Capture the values of the registers to perform the traceback
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__asm__ __volatile__ ( |
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" mov %[lrv],lr\n" |
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" mov %[spv],sp\n" |
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" mov %[pcv],pc\n" |
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: [spv]"+r"( sp ), |
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[lrv]"+r"( lr ), |
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[pcv]"+r"( pc ) |
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:: |
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); |
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// Fill the traceback structure
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btf.sp = sp; |
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btf.fp = btf.sp; |
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btf.lr = lr; |
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btf.pc = pc | 1; // Force Thumb, as CORTEX only support it
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// Perform a backtrace
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SERIAL_ERROR_START(); |
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SERIAL_ERRORLNPGM("Backtrace:"); |
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int ctr = 0; |
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UnwindStart(&btf, &UnwCallbacks, &ctr); |
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} |
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#else |
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void backtrace(void) {} |
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#endif |
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@ -0,0 +1,29 @@ |
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/**
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* Marlin 3D Printer Firmware |
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* Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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* |
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* Based on Sprinter and grbl. |
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* Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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* |
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*/ |
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#ifndef _BACKTRACE_H_ |
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#define _BACKTRACE_H_ |
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// Perform a backtrace to the serial port
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void backtrace(void); |
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#endif |
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/***************************************************************************
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* ARM Stack Unwinder, Michael.McTernan.2001@cs.bris.ac.uk |
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* Updated, adapted and several bug fixes on 2018 by Eduardo José Tagle |
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* |
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* This program is PUBLIC DOMAIN. |
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* This means that there is no copyright and anyone is able to take a copy |
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* for free and use it as they wish, with or without modifications, and in |
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* any context, commercially or otherwise. The only limitation is that I |
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* don't guarantee that the software is fit for any purpose or accept any |
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* liability for it's use or misuse - this software is without warranty. |
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*************************************************************************** |
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* File Description: Utility functions to access memory |
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**************************************************************************/ |
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#if defined(__arm__) || defined(__thumb__) |
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#include "unwmemaccess.h" |
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/* Validate address */ |
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#ifdef ARDUINO_ARCH_SAM |
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// For DUE, valid address ranges are
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// SRAM (0x20070000 - 0x20088000) (96kb)
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// FLASH (0x00080000 - 0x00100000) (512kb)
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//
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#define START_SRAM_ADDR 0x20070000 |
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#define END_SRAM_ADDR 0x20088000 |
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#define START_FLASH_ADDR 0x00080000 |
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#define END_FLASH_ADDR 0x00100000 |
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#endif |
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#ifdef TARGET_LPC1768 |
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// For LPC1769:
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// SRAM (0x10000000 - 0x10008000) (32kb)
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// FLASH (0x00000000 - 0x00080000) (512kb)
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//
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#define START_SRAM_ADDR 0x10000000 |
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#define END_SRAM_ADDR 0x10008000 |
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#define START_FLASH_ADDR 0x00000000 |
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#define END_FLASH_ADDR 0x00080000 |
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#endif |
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#if 0 |
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// For STM32F103CBT6
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// SRAM (0x20000000 - 0x20005000) (20kb)
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// FLASH (0x00000000 - 0x00020000) (128kb)
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//
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#define START_SRAM_ADDR 0x20000000 |
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#define END_SRAM_ADDR 0x20005000 |
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#define START_FLASH_ADDR 0x00000000 |
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#define END_FLASH_ADDR 0x00020000 |
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#endif |
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#ifdef __STM32F1__ |
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// For STM32F103ZET6/STM32F103VET6
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// SRAM (0x20000000 - 0x20010000) (64kb)
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// FLASH (0x00000000 - 0x00080000) (512kb)
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//
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#define START_SRAM_ADDR 0x20000000 |
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#define END_SRAM_ADDR 0x20010000 |
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#define START_FLASH_ADDR 0x00000000 |
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#define END_FLASH_ADDR 0x00080000 |
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#endif |
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#ifdef STM32F7 |
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// For STM32F765 in BORG
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// SRAM (0x20000000 - 0x20080000) (512kb)
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// FLASH (0x08000000 - 0x08100000) (1024kb)
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//
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#define START_SRAM_ADDR 0x20000000 |
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#define END_SRAM_ADDR 0x20080000 |
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#define START_FLASH_ADDR 0x08000000 |
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#define END_FLASH_ADDR 0x08100000 |
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#endif |
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#ifdef __MK64FX512__ |
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// For MK64FX512 in TEENSY 3.5
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// SRAM (0x1FFF0000 - 0x20020000) (192kb)
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// FLASH (0x00000000 - 0x00080000) (512kb)
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//
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#define START_SRAM_ADDR 0x1FFF0000 |
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#define END_SRAM_ADDR 0x20020000 |
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#define START_FLASH_ADDR 0x00000000 |
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#define END_FLASH_ADDR 0x00080000 |
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#endif |
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#ifdef __MK66FX1M0__ |
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// For MK66FX1M0 in TEENSY 3.6
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// SRAM (0x1FFF0000 - 0x20030000) (256kb)
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// FLASH (0x00000000 - 0x00140000) (1.25Mb)
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//
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#define START_SRAM_ADDR 0x1FFF0000 |
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#define END_SRAM_ADDR 0x20030000 |
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#define START_FLASH_ADDR 0x00000000 |
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#define END_FLASH_ADDR 0x00140000 |
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#endif |
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static bool validate_addr(uint32_t addr) { |
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// Address must be in SRAM range
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if (addr >= START_SRAM_ADDR && addr < END_SRAM_ADDR) |
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return true; |
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// Or in FLASH range
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if (addr >= START_FLASH_ADDR && addr < END_FLASH_ADDR) |
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return true; |
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return false; |
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} |
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bool UnwReadW(const uint32_t a, uint32_t *v) { |
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if (!validate_addr(a)) |
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return false; |
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*v = *(uint32_t *)a; |
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return true; |
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} |
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bool UnwReadH(const uint32_t a, uint16_t *v) { |
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if (!validate_addr(a)) |
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return false; |
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*v = *(uint16_t *)a; |
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return true; |
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} |
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bool UnwReadB(const uint32_t a, uint8_t *v) { |
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if (!validate_addr(a)) |
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return false; |
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*v = *(uint8_t *)a; |
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return true; |
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} |
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#endif |
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@ -0,0 +1,26 @@ |
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/***************************************************************************
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* ARM Stack Unwinder, Michael.McTernan.2001@cs.bris.ac.uk |
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* Updated, adapted and several bug fixes on 2018 by Eduardo José Tagle |
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* |
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* This program is PUBLIC DOMAIN. |
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* This means that there is no copyright and anyone is able to take a copy |
|||
* for free and use it as they wish, with or without modifications, and in |
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* any context, commerically or otherwise. The only limitation is that I |
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* don't guarantee that the software is fit for any purpose or accept any |
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* liablity for it's use or misuse - this software is without warranty. |
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*************************************************************************** |
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* File Description: Utility functions to access memory |
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**************************************************************************/ |
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#ifndef UNWMEMACCESS_H |
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#define UNWMEMACCESS_H |
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#include "unwarm.h" |
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#include <stdint.h> |
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bool UnwReadW(const uint32_t a, uint32_t *v); |
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bool UnwReadH(const uint32_t a, uint16_t *v); |
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bool UnwReadB(const uint32_t a, uint8_t *v); |
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#endif |
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