[2.0.x] Move backtrace to a shared location (#10237)
- And implement the `backtrace()` function call2.0.x
Eduardo José Tagle
7 years ago
committed by
Scott Lahteine
parent
7dc256432f
commit
749f19e502
@ -0,0 +1,102 @@
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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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@ -0,0 +1,136 @@
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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
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||||||
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* 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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