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@ -23,7 +23,9 @@
@@ -23,7 +23,9 @@
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#include "hwdef/common/watchdog.h" |
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#include "hwdef/common/stm32_util.h" |
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#include <AP_Vehicle/AP_Vehicle_Type.h> |
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#if HAL_CRASHDUMP_ENABLE |
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#include <CrashCatcher.h> |
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#endif |
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#include <ch.h> |
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#include "hal.h" |
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#include <hrt.h> |
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@ -50,6 +52,156 @@ extern "C"
@@ -50,6 +52,156 @@ extern "C"
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{ |
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#define bkpt() __asm volatile("BKPT #0\n") |
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#if !HAL_CRASHDUMP_ENABLE |
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// do legacy hardfault handling
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void HardFault_Handler(void); |
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void HardFault_Handler(void) { |
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//Copy to local variables (not pointers) to allow GDB "i loc" to directly show the info
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//Get thread context. Contains main registers including PC and LR
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struct port_extctx ctx; |
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memcpy(&ctx, (void*)__get_PSP(), sizeof(struct port_extctx)); |
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(void)ctx; |
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//Interrupt status register: Which interrupt have we encountered, e.g. HardFault?
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FaultType faultType = (FaultType)__get_IPSR(); |
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(void)faultType; |
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//For HardFault/BusFault this is the address that was accessed causing the error
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uint32_t faultAddress = SCB->BFAR; |
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(void)faultAddress; |
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bool forced = SCB->HFSR & SCB_HFSR_FORCED_Msk; |
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(void)forced; |
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uint32_t cfsr = SCB->CFSR; |
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(void)cfsr; |
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//Flags about hardfault / busfault
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//See http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.dui0552a/Cihdjcfc.html for reference
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bool isFaultPrecise = ((SCB->CFSR >> SCB_CFSR_BUSFAULTSR_Pos) & (1 << 1) ? true : false); |
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bool isFaultImprecise = ((SCB->CFSR >> SCB_CFSR_BUSFAULTSR_Pos) & (1 << 2) ? true : false); |
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bool isFaultOnUnstacking = ((SCB->CFSR >> SCB_CFSR_BUSFAULTSR_Pos) & (1 << 3) ? true : false); |
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bool isFaultOnStacking = ((SCB->CFSR >> SCB_CFSR_BUSFAULTSR_Pos) & (1 << 4) ? true : false); |
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bool isFaultAddressValid = ((SCB->CFSR >> SCB_CFSR_BUSFAULTSR_Pos) & (1 << 7) ? true : false); |
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(void)isFaultPrecise; |
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(void)isFaultImprecise; |
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(void)isFaultOnUnstacking; |
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(void)isFaultOnStacking; |
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(void)isFaultAddressValid; |
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save_fault_watchdog(__LINE__, faultType, faultAddress, (uint32_t)ctx.lr_thd); |
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#ifdef HAL_GPIO_PIN_FAULT |
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while (true) { |
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// forced means that another kind of unhandled fault got escalated to a hardfault
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if (faultType == BusFault) { |
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fault_printf("BUSFAULT\n"); |
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} else if (forced) { |
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fault_printf("FORCED HARDFAULT\n"); |
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} else { |
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fault_printf("HARDFAULT(%d)\n", int(faultType)); |
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} |
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fault_printf("CSFR=0x%08x\n", cfsr); |
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fault_printf("CUR=0x%08x\n", ch.rlist.current); |
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if (ch.rlist.current) { |
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fault_printf("NAME=%s\n", ch.rlist.current->name); |
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} |
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fault_printf("FA=0x%08x\n", faultAddress); |
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fault_printf("PC=0x%08x\n", ctx.pc); |
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fault_printf("LR=0x%08x\n", ctx.lr_thd); |
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fault_printf("R0=0x%08x\n", ctx.r0); |
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fault_printf("R1=0x%08x\n", ctx.r1); |
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fault_printf("R2=0x%08x\n", ctx.r2); |
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fault_printf("R3=0x%08x\n", ctx.r3); |
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fault_printf("R12=0x%08x\n", ctx.r12); |
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fault_printf("XPSR=0x%08x\n", ctx.xpsr); |
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fault_printf("\n\n"); |
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} |
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#endif |
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//Cause debugger to stop. Ignored if no debugger is attached
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while(1) {} |
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} |
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// For the BusFault handler to be active SCB_SHCSR_BUSFAULTENA_Msk should be set in SCB->SHCSR
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// ChibiOS does not do this by default
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void BusFault_Handler(void) __attribute__((alias("HardFault_Handler"))); |
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void UsageFault_Handler(void); |
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void UsageFault_Handler(void) { |
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//Copy to local variables (not pointers) to allow GDB "i loc" to directly show the info
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//Get thread context. Contains main registers including PC and LR
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struct port_extctx ctx; |
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memcpy(&ctx, (void*)__get_PSP(), sizeof(struct port_extctx)); |
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(void)ctx; |
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//Interrupt status register: Which interrupt have we encountered, e.g. HardFault?
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FaultType faultType = (FaultType)__get_IPSR(); |
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(void)faultType; |
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uint32_t faultAddress = SCB->BFAR; |
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//Flags about hardfault / busfault
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//See http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.dui0552a/Cihdjcfc.html for reference
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bool isUndefinedInstructionFault = ((SCB->CFSR >> SCB_CFSR_USGFAULTSR_Pos) & (1 << 0) ? true : false); |
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bool isEPSRUsageFault = ((SCB->CFSR >> SCB_CFSR_USGFAULTSR_Pos) & (1 << 1) ? true : false); |
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bool isInvalidPCFault = ((SCB->CFSR >> SCB_CFSR_USGFAULTSR_Pos) & (1 << 2) ? true : false); |
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bool isNoCoprocessorFault = ((SCB->CFSR >> SCB_CFSR_USGFAULTSR_Pos) & (1 << 3) ? true : false); |
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bool isUnalignedAccessFault = ((SCB->CFSR >> SCB_CFSR_USGFAULTSR_Pos) & (1 << 8) ? true : false); |
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bool isDivideByZeroFault = ((SCB->CFSR >> SCB_CFSR_USGFAULTSR_Pos) & (1 << 9) ? true : false); |
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(void)isUndefinedInstructionFault; |
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(void)isEPSRUsageFault; |
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(void)isInvalidPCFault; |
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(void)isNoCoprocessorFault; |
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(void)isUnalignedAccessFault; |
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(void)isDivideByZeroFault; |
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save_fault_watchdog(__LINE__, faultType, faultAddress, (uint32_t)ctx.lr_thd); |
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//Cause debugger to stop. Ignored if no debugger is attached
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while(1) {} |
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} |
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void MemManage_Handler(void); |
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void MemManage_Handler(void) { |
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//Copy to local variables (not pointers) to allow GDB "i loc" to directly show the info
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//Get thread context. Contains main registers including PC and LR
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struct port_extctx ctx; |
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memcpy(&ctx, (void*)__get_PSP(), sizeof(struct port_extctx)); |
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(void)ctx; |
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//Interrupt status register: Which interrupt have we encountered, e.g. HardFault?
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FaultType faultType = (FaultType)__get_IPSR(); |
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(void)faultType; |
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//For HardFault/BusFault this is the address that was accessed causing the error
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uint32_t faultAddress = SCB->MMFAR; |
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(void)faultAddress; |
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//Flags about hardfault / busfault
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//See http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.dui0552a/Cihdjcfc.html for reference
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bool isInstructionAccessViolation = ((SCB->CFSR >> SCB_CFSR_MEMFAULTSR_Pos) & (1 << 0) ? true : false); |
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bool isDataAccessViolation = ((SCB->CFSR >> SCB_CFSR_MEMFAULTSR_Pos) & (1 << 1) ? true : false); |
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bool isExceptionUnstackingFault = ((SCB->CFSR >> SCB_CFSR_MEMFAULTSR_Pos) & (1 << 3) ? true : false); |
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bool isExceptionStackingFault = ((SCB->CFSR >> SCB_CFSR_MEMFAULTSR_Pos) & (1 << 4) ? true : false); |
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bool isFaultAddressValid = ((SCB->CFSR >> SCB_CFSR_MEMFAULTSR_Pos) & (1 << 7) ? true : false); |
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(void)isInstructionAccessViolation; |
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(void)isDataAccessViolation; |
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(void)isExceptionUnstackingFault; |
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(void)isExceptionStackingFault; |
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(void)isFaultAddressValid; |
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save_fault_watchdog(__LINE__, faultType, faultAddress, (uint32_t)ctx.lr_thd); |
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while(1) {} |
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} |
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#else |
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// Handle via Crash Catcher
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extern void HardFault_Handler(void); |
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void BusFault_Handler(void); |
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void BusFault_Handler(void) { |
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HardFault_Handler(); |
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} |
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void UsageFault_Handler(void); |
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void UsageFault_Handler(void) { |
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HardFault_Handler(); |
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} |
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void MemManage_Handler(void); |
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void MemManage_Handler(void) { |
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HardFault_Handler(); |
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} |
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#endif |
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/*
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save watchdog data for a hard fault |
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*/ |
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@ -88,22 +240,6 @@ void __cxa_pure_virtual() { while (1); } //TODO: Handle properly, maybe generate
@@ -88,22 +240,6 @@ void __cxa_pure_virtual() { while (1); } //TODO: Handle properly, maybe generate
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void NMI_Handler(void); |
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void NMI_Handler(void) { while (1); } |
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extern void HardFault_Handler(void); |
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void BusFault_Handler(void); |
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void BusFault_Handler(void) { |
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HardFault_Handler(); |
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} |
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void UsageFault_Handler(void); |
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void UsageFault_Handler(void) { |
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HardFault_Handler(); |
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} |
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void MemManage_Handler(void); |
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void MemManage_Handler(void) { |
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HardFault_Handler(); |
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} |
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} |
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namespace AP_HAL { |
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