diff options
Diffstat (limited to 'nuttx/arch/arm/src/armv7-m/up_hardfault.c')
| -rw-r--r-- | nuttx/arch/arm/src/armv7-m/up_hardfault.c | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/nuttx/arch/arm/src/armv7-m/up_hardfault.c b/nuttx/arch/arm/src/armv7-m/up_hardfault.c index c30015ad2..fa750b525 100644 --- a/nuttx/arch/arm/src/armv7-m/up_hardfault.c +++ b/nuttx/arch/arm/src/armv7-m/up_hardfault.c @@ -1,7 +1,7 @@ /**************************************************************************** * arch/arm/src/armv7-m/up_hardfault.c * - * Copyright (C) 2009 Gregory Nutt. All rights reserved. + * 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 @@ -55,7 +55,9 @@ * Pre-processor Definitions ****************************************************************************/ -/* Debug output from this file may interfere with context switching! */ +/* 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) @@ -92,18 +94,19 @@ int up_hardfault(int irq, FAR void *context) { +#if defined(CONFIG_DEBUG_HARDFAULT) || !defined(CONFIG_ARMV7M_USEBASEPRI) uint32_t *regs = (uint32_t*)context; - uint16_t *pc; - uint16_t insn; +#endif /* Get the value of the program counter where the fault occurred */ - pc = (uint16_t*)regs[REG_PC] - 1; +#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 */ - insn = *pc; + uint16_t insn = *pc; hfdbg(" PC: %p INSN: %04x\n", pc, insn); /* If this was the instruction 'svc 0', then forward processing @@ -116,6 +119,7 @@ int up_hardfault(int irq, FAR void *context) return up_svcall(irq, context); } } +#endif /* Dump some hard fault info */ @@ -133,7 +137,13 @@ int up_hardfault(int irq, FAR void *context) 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]); - hfdbg(" PSR=%08x\n", regs[REG_XPSR]); +#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)); |