void HardFault_C_Handler(ExceptionRegisters_t *regs, uint32_t *pXtraRegs) {
if (!pyb_hard_fault_debug) {
NVIC_SystemReset();
}
/* rocky ignore
// We need to disable the USB so it doesn't try to write data out on
// the VCP and then block indefinitely waiting for the buffer to drain.
pyb_usb_flags = 0;
*/
mp_hal_stdout_tx_str("HardFault\r\n");
print_reg("R0 ", regs->r0);
print_reg("R1 ", regs->r1);
print_reg("R2 ", regs->r2);
print_reg("R3 ", regs->r3);
print_reg("R12 ", regs->r12);
print_reg("SP ", (uint32_t)regs);
print_reg("LR ", regs->lr);
print_reg("PC ", regs->pc);
print_reg("XPSR ", regs->xpsr);
print_reg("R4 ", pXtraRegs[7]);
print_reg("R5 ", pXtraRegs[6]);
print_reg("R6 ", pXtraRegs[5]);
print_reg("R7 ", pXtraRegs[4]);
print_reg("R8 ", pXtraRegs[3]);
print_reg("R9 ", pXtraRegs[2]);
print_reg("R10 ", pXtraRegs[1]);
print_reg("R11 ", pXtraRegs[0]);
uint32_t cfsr = SCB->CFSR;
print_reg("HFSR ", SCB->HFSR);
print_reg("CFSR ", cfsr);
if (cfsr & 0x80) {
print_reg("MMFAR ", SCB->MMFAR);
}
if (cfsr & 0x8000) {
print_reg("BFAR ", SCB->BFAR);
}
if ((void*)_RAM_START <= (void*)regs && (void*)regs < (void*)_RAM_END) {
mp_hal_stdout_tx_str("Stack:\r\n");
uint32_t *stack_top = (uint32_t*) _ESTACK;
if ((void*)regs < (void*)_HEAP_END) {
// stack not in static stack area so limit the amount we print
stack_top = (uint32_t*)regs + 32;
}
for (uint32_t *sp = (uint32_t*)regs; sp < stack_top; ++sp) {
print_hex_hex(" ", (uint32_t)sp, *sp);
}
}
/* Go to infinite loop when Hard Fault exception occurs */
__fatal_error("HardFault");
}
void HardFault_C_Handler(ExceptionRegisters_t *regs) {
if (!pyb_hard_fault_debug) {
NVIC_SystemReset();
}
#if MICROPY_HW_ENABLE_USB
// We need to disable the USB so it doesn't try to write data out on
// the VCP and then block indefinitely waiting for the buffer to drain.
pyb_usb_flags = 0;
#endif
mp_hal_stdout_tx_str("HardFault\r\n");
print_reg("R0 ", regs->r0);
print_reg("R1 ", regs->r1);
print_reg("R2 ", regs->r2);
print_reg("R3 ", regs->r3);
print_reg("R12 ", regs->r12);
print_reg("SP ", (uint32_t)regs);
print_reg("LR ", regs->lr);
print_reg("PC ", regs->pc);
print_reg("XPSR ", regs->xpsr);
uint32_t cfsr = SCB->CFSR;
print_reg("HFSR ", SCB->HFSR);
print_reg("CFSR ", cfsr);
if (cfsr & 0x80) {
print_reg("MMFAR ", SCB->MMFAR);
}
if (cfsr & 0x8000) {
print_reg("BFAR ", SCB->BFAR);
}
if ((void*)&_ram_start <= (void*)regs && (void*)regs < (void*)&_ram_end) {
mp_hal_stdout_tx_str("Stack:\r\n");
uint32_t *stack_top = &_estack;
if ((void*)regs < (void*)&_heap_end) {
// stack not in static stack area so limit the amount we print
stack_top = (uint32_t*)regs + 32;
}
for (uint32_t *sp = (uint32_t*)regs; sp < stack_top; ++sp) {
print_hex_hex(" ", (uint32_t)sp, *sp);
}
}
/* Go to infinite loop when Hard Fault exception occurs */
while (1) {
__fatal_error("HardFault");
}
}
