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https://github.com/bluekitchen/btstack.git
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max32630-fthr: add hardware_fault handler to dump state, prepare for console input
This commit is contained in:
Matthias Ringwald
parent
ec2bbb878f
commit
7dabc299c3
@ -43,6 +43,10 @@
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#include "spim.h"
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#include "max14690n.h"
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#define UART_ERRORS (MXC_F_UART_INTEN_RX_FIFO_OVERFLOW | \
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MXC_F_UART_INTEN_RX_FRAMING_ERR | \
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MXC_F_UART_INTEN_RX_PARITY_ERR)
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/***** Global Variables *****/
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// LEDs
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@ -88,6 +92,53 @@ void mxc_assert(const char *expr, const char *file, int line)
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while (1);
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}
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/******************************************************************************/
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int Console_Init(void)
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{
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int err;
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if ((err = UART_Init(MXC_UART_GET_UART(CONSOLE_UART), &console_uart_cfg, &console_sys_cfg)) != E_NO_ERROR) {
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MXC_ASSERT_FAIL();
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return err;
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}
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// Setup the interrupt
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NVIC_ClearPendingIRQ(MXC_UART_GET_IRQ(CONSOLE_UART));
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NVIC_DisableIRQ(MXC_UART_GET_IRQ(CONSOLE_UART));
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NVIC_SetPriority(MXC_UART_GET_IRQ(CONSOLE_UART), 1);
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NVIC_EnableIRQ(MXC_UART_GET_IRQ(CONSOLE_UART));
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MXC_UART1->inten |= (MXC_F_UART_INTEN_RX_FIFO_NOT_EMPTY | UART_ERRORS);
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return E_NO_ERROR;
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}
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/******************************************************************************/
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int Console_PrepForSleep(void)
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{
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fflush(stdout);
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return UART_PrepForSleep(MXC_UART_GET_UART(CONSOLE_UART));
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}
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void UART0_IRQHandler(void)
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{
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UART_Handler(MXC_UART_GET_UART(0));
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}
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void UART1_IRQHandler(void)
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{
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UART_Handler(MXC_UART_GET_UART(1));
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}
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void UART2_IRQHandler(void)
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{
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UART_Handler(MXC_UART_GET_UART(2));
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}
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void UART3_IRQHandler(void)
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{
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UART_Handler(MXC_UART_GET_UART(3));
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}
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/******************************************************************************/
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int Board_Init(void)
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{
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@ -122,22 +173,163 @@ int Board_Init(void)
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return E_NO_ERROR;
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}
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/******************************************************************************/
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int Console_Init(void)
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#ifdef CRASH_DUMP
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void FaultISR_C(uint32_t *hardfault_args)
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{
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int err;
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unsigned int stacked_r0;
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unsigned int stacked_r1;
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unsigned int stacked_r2;
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unsigned int stacked_r3;
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unsigned int stacked_r12;
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unsigned int stacked_lr;
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unsigned int stacked_pc;
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unsigned int stacked_psr;
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if ((err = UART_Init(MXC_UART_GET_UART(CONSOLE_UART), &console_uart_cfg, &console_sys_cfg)) != E_NO_ERROR) {
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MXC_ASSERT_FAIL();
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return err;
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}
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volatile unsigned char mmsr;
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volatile unsigned char bfsr;
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volatile unsigned short ufsr;
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volatile unsigned int hfsr;
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return E_NO_ERROR;
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stacked_r0 = ((unsigned int) hardfault_args[0]);
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stacked_r1 = ((unsigned int) hardfault_args[1]);
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stacked_r2 = ((unsigned int) hardfault_args[2]);
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stacked_r3 = ((unsigned int) hardfault_args[3]);
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stacked_r12 = ((unsigned int) hardfault_args[4]);
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stacked_lr = ((unsigned int) hardfault_args[5]);
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stacked_pc = ((unsigned int) hardfault_args[6]);
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stacked_psr = ((unsigned int) hardfault_args[7]);
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printf("\n\n[Hard fault handler - all numbers in hex]\n");
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printf("R0 = 0x%08x\n", stacked_r0);
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printf("R1 = 0x%08x\n", stacked_r1);
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printf("R2 = 0x%08x\n", stacked_r2);
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printf("R3 = 0x%08x\n", stacked_r3);
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printf("R12 = 0x%08x\n", stacked_r12);
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printf("LR [R14] = 0x%08x subroutine call return address\n", stacked_lr);
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printf("PC [R15] = 0x%08x program counter address\n", stacked_pc);
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printf("PSR = 0x%08x\n", stacked_psr);
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printf("MMAR = 0x%08x memory manage fault address\n", (*((volatile unsigned int *) (0xE000ED34))));
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printf("BFAR = 0x%08x bus fault address\n", (*((volatile unsigned int *) (0xE000ED38))));
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/***********************************************************************************************
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* Memory Management Fault Status Register: (0xE000ED28)
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* Bit Name Description
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* 7 MMARVALID MMAR is valid (0x40)
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* 4 MSTKERR Stacking error (0x10)
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* 3 MUNSTKERR Unstacking error (0x8)
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* 1 DACCVIOL Data access violation (0x2)
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* 0 IACCVIOL Instruction access violation (0x1)
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***********************************************************************************************/
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mmsr = (*((volatile unsigned char *) (0xE000ED28)));
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printf("MMSR = 0x%02x ", mmsr);
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if (mmsr & 0x40)
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printf("MMARVALID: MMAR is valid ");
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if (mmsr & 0x10)
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printf("MSTKERR: Stacking error\n");
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else if (mmsr & 0x8)
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printf("MUNSTKERR: Unstacking error\n");
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else if (mmsr & 0x2)
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printf("DACCVIOL: Data access violation\n");
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else if (mmsr & 0x1)
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printf("IACCVIOL: Instruction access violation\n");
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else
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printf("\n");
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/***********************************************************************************************
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* Bus Fault Status Register: (0xE000ED28)
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* Bit Name Description
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* 7 BFARVALID BFAR is valid (0x80)
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* 4 STKERR Stacking error (0x10)
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* 3 UNSTKERR Unstacking error (0x8)
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* 2 IMPREISERR Imprecise data access violation (0x4)
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* 1 PRECISERR Precise data access violation (0x2)
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* 0 IBUSERR Instruction access violation (0x1)
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***********************************************************************************************/
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bfsr = (*((volatile unsigned char *) (0xE000ED29)));
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printf("BFSR = 0x%02x ", bfsr);
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if (bfsr & 0x80)
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printf("BFARVALID: BFAR is valid ");
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if (bfsr & 0x10)
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printf("STKERR: Stacking error\n");
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else if (bfsr & 0x8)
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printf("UNSTKERR: Unstacking error\n");
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else if (bfsr & 0x4)
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printf("IMPREISERR: Imprecise data access violation\n");
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else if (bfsr & 0x2)
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printf("PRECISERR: Precise data access violation\n");
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else if (bfsr & 0x1)
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printf("IBUSERR: Instruction access violation\n");
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else
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printf("\n");
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/***********************************************************************************************
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* Usage Fault Status Register: (0xE000ED2A)
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* Bit Name Description
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* 9 DIVBYZERO Divide by zero will take place (0x200)
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* 8 UNALIGNED Unaligned access will take place (0x100)
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* 3 NOCP Attempt to execute a coprocessor instruction (0x8)
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* 2 INVPC Attempt to do exception with bad value (0x4)
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* 1 INVSTATE Attempt to switch to invalid state (0x2)
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* 0 UNDEFINSTR Attempt to execute an undefined instruction (0x1)
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***********************************************************************************************/
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ufsr = (*((volatile unsigned short *) (0xE000ED2A)));
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printf("UFSR = 0x%04x ", ufsr);
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if (ufsr & 0x200)
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printf("DIVBYZERO: Divide by zero will take place\n");
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else if (ufsr & 0x100)
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printf("UNALIGNED: Unaligned access will take place\n");
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else if (ufsr & 0x8)
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printf("NOCP: Attempt to execute a coprocessor instruction\n");
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else if (ufsr & 0x4)
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printf("INVPC: Attempt to do exception with bad value\n");
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else if (ufsr & 0x2)
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printf("INVSTATE: Attempt to switch to invalid state\n");
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else if (ufsr & 0x1)
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printf("UNDEFINSTR: Attempt to execute an undefined instruction\n");
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else
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printf("\n");
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/***********************************************************************************************
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* Usage Fault Status Register: (0xE000ED2A)
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* Bit Name Description
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* 31 DEBUGEVT Hard fault caused by debug event (0x8000_0000)
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* 30 FORCED Hard fault caused by bus/memory management/usage fault (0x4000_0000)
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* 1 VECTBL Hard fault caused by failed vector fetch (0x1)
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***********************************************************************************************/
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hfsr = (*((volatile unsigned int *) (0xE000ED2C)));
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printf("HFSR = 0x%08x ", hfsr);
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if (hfsr & 0x80000000)
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printf("DEBUGEVT: Hard fault caused by debug event\n");
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else if (hfsr & 0x40000000)
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printf("FORCED: Hard fault caused by bus/memory management/usage fault\n");
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else if (hfsr & 0x1)
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printf("VECTBL: Hard fault caused by failed vector fetch\n");
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else
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printf("\n");
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printf ("AFSR = 0x%08x\n", (*((volatile unsigned int *)(0xE000ED3C))));
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printf ("SCB_SHCSR = %x\n", SCB->SHCSR);
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while (1) ; /* Spin so we can use a debugger to anlayzer the situation */
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}
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/******************************************************************************/
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int Console_PrepForSleep(void)
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#else /* ENABLE_CRASH_DUMP */
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void FaultISR_C(uint32_t *hardfault_args)
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{
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fflush(stdout);
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return UART_PrepForSleep(MXC_UART_GET_UART(CONSOLE_UART));
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/* spin so we can use a debugger to anlayze the situation */
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while(1);
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/* reset the system */
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//NVIC_SystemReset();
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}
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#endif /* CRASH_DUMP */
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void HardFault_Handler(void)
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{
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printf("HardFault_Handler! (main)\n");
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__asm(
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" TST LR, #4\n"
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" ITE EQ \n"
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" MRSEQ R0, MSP \n"
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" MRSNE R0, PSP \n"
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" B FaultISR_C \n");
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}
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