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author | Lorenz Meier <lm@inf.ethz.ch> | 2013-06-01 01:04:32 +0200 |
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committer | Lorenz Meier <lm@inf.ethz.ch> | 2013-06-01 01:04:32 +0200 |
commit | 5375bb5b86e266157ceceef08c367da711b8144e (patch) | |
tree | 88bc81cab11d8f0b2b6f9391f803051c081b2ecb /nuttx/arch/arm/src/armv7-m/up_hardfault.c | |
parent | 27ee36b2049167a1272122548fe61aa2993d79c1 (diff) | |
download | px4-firmware-5375bb5b86e266157ceceef08c367da711b8144e.tar.gz px4-firmware-5375bb5b86e266157ceceef08c367da711b8144e.tar.bz2 px4-firmware-5375bb5b86e266157ceceef08c367da711b8144e.zip |
Cleanup, WIP, needs a NuttX checkout to Firmware/NuttX now
Diffstat (limited to 'nuttx/arch/arm/src/armv7-m/up_hardfault.c')
-rw-r--r-- | nuttx/arch/arm/src/armv7-m/up_hardfault.c | 152 |
1 files changed, 0 insertions, 152 deletions
diff --git a/nuttx/arch/arm/src/armv7-m/up_hardfault.c b/nuttx/arch/arm/src/armv7-m/up_hardfault.c deleted file mode 100644 index fa750b525..000000000 --- a/nuttx/arch/arm/src/armv7-m/up_hardfault.c +++ /dev/null @@ -1,152 +0,0 @@ -/**************************************************************************** - * arch/arm/src/armv7-m/up_hardfault.c - * - * Copyright (C) 2009, 2013 Gregory Nutt. All rights reserved. - * Author: Gregory Nutt <gnutt@nuttx.org> - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name NuttX nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************/ - -/**************************************************************************** - * Included Files - ****************************************************************************/ - -#include <nuttx/config.h> - -#include <stdint.h> -#include <string.h> -#include <assert.h> -#include <debug.h> - -#include <arch/irq.h> - -#include "up_arch.h" -#include "os_internal.h" -#include "nvic.h" -#include "up_internal.h" - -/**************************************************************************** - * Pre-processor Definitions - ****************************************************************************/ - -/* If CONFIG_ARMV7M_USEBASEPRI=n, then debug output from this file may - * interfere with context switching! - */ - -#ifdef CONFIG_DEBUG_HARDFAULT -# define hfdbg(format, arg...) lldbg(format, ##arg) -#else -# define hfdbg(x...) -#endif - -#define INSN_SVC0 0xdf00 /* insn: svc 0 */ - -/**************************************************************************** - * Private Data - ****************************************************************************/ - -/**************************************************************************** - * Public Data - ****************************************************************************/ - -/**************************************************************************** - * Private Functions - ****************************************************************************/ - -/**************************************************************************** - * Public Functions - ****************************************************************************/ - -/**************************************************************************** - * Name: up_hardfault - * - * Description: - * This is Hard Fault exception handler. It also catches SVC call - * exceptions that are performed in bad contexts. - * - ****************************************************************************/ - -int up_hardfault(int irq, FAR void *context) -{ -#if defined(CONFIG_DEBUG_HARDFAULT) || !defined(CONFIG_ARMV7M_USEBASEPRI) - uint32_t *regs = (uint32_t*)context; -#endif - - /* Get the value of the program counter where the fault occurred */ - -#ifndef CONFIG_ARMV7M_USEBASEPRI - uint16_t *pc = (uint16_t*)regs[REG_PC] - 1; - if ((void*)pc >= (void*)&_stext && (void*)pc < (void*)&_etext) - { - /* Fetch the instruction that caused the Hard fault */ - - uint16_t insn = *pc; - hfdbg(" PC: %p INSN: %04x\n", pc, insn); - - /* If this was the instruction 'svc 0', then forward processing - * to the SVCall handler - */ - - if (insn == INSN_SVC0) - { - hfdbg("Forward SVCall\n"); - return up_svcall(irq, context); - } - } -#endif - - /* Dump some hard fault info */ - - hfdbg("\nHard Fault:\n"); - hfdbg(" IRQ: %d regs: %p\n", irq, regs); - hfdbg(" BASEPRI: %08x PRIMASK: %08x IPSR: %08x\n", - getbasepri(), getprimask(), getipsr()); - hfdbg(" CFAULTS: %08x HFAULTS: %08x DFAULTS: %08x BFAULTADDR: %08x AFAULTS: %08x\n", - getreg32(NVIC_CFAULTS), getreg32(NVIC_HFAULTS), - getreg32(NVIC_DFAULTS), getreg32(NVIC_BFAULT_ADDR), - getreg32(NVIC_AFAULTS)); - hfdbg(" R0: %08x %08x %08x %08x %08x %08x %08x %08x\n", - regs[REG_R0], regs[REG_R1], regs[REG_R2], regs[REG_R3], - regs[REG_R4], regs[REG_R5], regs[REG_R6], regs[REG_R7]); - hfdbg(" R8: %08x %08x %08x %08x %08x %08x %08x %08x\n", - regs[REG_R8], regs[REG_R9], regs[REG_R10], regs[REG_R11], - regs[REG_R12], regs[REG_R13], regs[REG_R14], regs[REG_R15]); -#ifdef CONFIG_ARMV7M_USEBASEPRI - hfdbg(" xPSR: %08x BASEPRI: %08x (saved)\n", - current_regs[REG_XPSR], current_regs[REG_BASEPRI]); -#else - hfdbg(" xPSR: %08x PRIMASK: %08x (saved)\n", - current_regs[REG_XPSR], current_regs[REG_PRIMASK]); -#endif - - (void)irqsave(); - lldbg("PANIC!!! Hard fault: %08x\n", getreg32(NVIC_HFAULTS)); - PANIC(OSERR_UNEXPECTEDISR); - return OK; -} |