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@@ -58,97 +58,3 @@ void check_failed(uint8_t *file, uint32_t line)
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(void) file;
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(void) line;
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}
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-
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-#if 0
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-
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-/**
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- * HardFault_HandlerAsm:
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- * Alternative Hard Fault handler to help debug the reason for a fault.
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- * To use, edit the vector table to reference this function in the HardFault vector
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- * This code is suitable for Cortex-M3 and Cortex-M0 cores
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- */
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-
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-// Use the 'naked' attribute so that C stacking is not used.
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-__attribute__((naked))
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-void HardFault_HandlerAsm(void){
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- /*
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- * Get the appropriate stack pointer, depending on our mode,
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- * and use it as the parameter to the C handler. This function
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- * will never return
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- */
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-
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- __asm( ".syntax unified\n"
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- "MOVS R0, #4 \n"
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- "MOV R1, LR \n"
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- "TST R0, R1 \n"
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- "BEQ _MSP \n"
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- "MRS R0, PSP \n"
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- "B HardFault_HandlerC \n"
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- "_MSP: \n"
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- "MRS R0, MSP \n"
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- "B HardFault_HandlerC \n"
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- ".syntax divided\n") ;
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-}
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-
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-/**
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- * HardFaultHandler_C:
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- * This is called from the HardFault_HandlerAsm with a pointer the Fault stack
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- * as the parameter. We can then read the values from the stack and place them
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- * into local variables for ease of reading.
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- * We then read the various Fault Status and Address Registers to help decode
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- * cause of the fault.
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- * The function ends with a BKPT instruction to force control back into the debugger
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- */
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-void HardFault_HandlerC(unsigned long *hardfault_args){
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- ATTR_UNUSED volatile unsigned long stacked_r0 ;
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- ATTR_UNUSED volatile unsigned long stacked_r1 ;
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- ATTR_UNUSED volatile unsigned long stacked_r2 ;
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- ATTR_UNUSED volatile unsigned long stacked_r3 ;
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- ATTR_UNUSED volatile unsigned long stacked_r12 ;
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- ATTR_UNUSED volatile unsigned long stacked_lr ;
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- ATTR_UNUSED volatile unsigned long stacked_pc ;
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- ATTR_UNUSED volatile unsigned long stacked_psr ;
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- ATTR_UNUSED volatile unsigned long _CFSR ;
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- ATTR_UNUSED volatile unsigned long _HFSR ;
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- ATTR_UNUSED volatile unsigned long _DFSR ;
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- ATTR_UNUSED volatile unsigned long _AFSR ;
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- ATTR_UNUSED volatile unsigned long _BFAR ;
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- ATTR_UNUSED volatile unsigned long _MMAR ;
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-
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- stacked_r0 = ((unsigned long)hardfault_args[0]) ;
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- stacked_r1 = ((unsigned long)hardfault_args[1]) ;
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- stacked_r2 = ((unsigned long)hardfault_args[2]) ;
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- stacked_r3 = ((unsigned long)hardfault_args[3]) ;
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- stacked_r12 = ((unsigned long)hardfault_args[4]) ;
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- stacked_lr = ((unsigned long)hardfault_args[5]) ;
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- stacked_pc = ((unsigned long)hardfault_args[6]) ;
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- stacked_psr = ((unsigned long)hardfault_args[7]) ;
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-
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- // Configurable Fault Status Register
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- // Consists of MMSR, BFSR and UFSR
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- _CFSR = (*((volatile unsigned long *)(0xE000ED28))) ;
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-
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- // Hard Fault Status Register
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- _HFSR = (*((volatile unsigned long *)(0xE000ED2C))) ;
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-
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- // Debug Fault Status Register
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- _DFSR = (*((volatile unsigned long *)(0xE000ED30))) ;
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-
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- // Auxiliary Fault Status Register
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- _AFSR = (*((volatile unsigned long *)(0xE000ED3C))) ;
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-
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- // Read the Fault Address Registers. These may not contain valid values.
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- // Check BFARVALID/MMARVALID to see if they are valid values
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- // MemManage Fault Address Register
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- _MMAR = (*((volatile unsigned long *)(0xE000ED34))) ;
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- // Bus Fault Address Register
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- _BFAR = (*((volatile unsigned long *)(0xE000ED38))) ;
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-
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-// if ((CoreDebug->DHCSR & CoreDebug_DHCSR_C_DEBUGEN_Msk)==CoreDebug_DHCSR_C_DEBUGEN_Msk) /* if there is debugger connected */
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-// {
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-// __asm("BKPT #0\n");
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-// }
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-
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- hal_debugger_breakpoint();
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-}
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-#endif
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hathach