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TMS570LS3137: 在bootloader程序执行_copyAPI2RAM_();反复复位,无法执行到main()函数

Part Number: TMS570LS3137

在做bootloader项目中,在void _c_int00(void)函数中调用_copyAPI2RAM_(),一直卡在这里无法到达main函数。在通过屏蔽代码测试,发现只要调用void sciInit(void)就一直出现上述问题,关掉就不会出现。

sys_link.cmd
/*----------------------------------------------------------------------------*/
/* Memory Map                                                                 */

MEMORY
{
    VECTORS (X)  : origin=0x00000000 length=0x00000020
    FLASH_API  (RX)  : origin=0x00000020 length=0x000014E0
    FLASH0  (RX) : origin=0x00001500 length=0x00180000-0x00001500
//    FLASH1  (RX) : origin=0x00180000 length=0x00180000
    STACKS  (RW) : origin=0x08000000 length=0x00001500
    RAM     (RW) : origin=0x08001500 length=0x0003EB00

/* USER CODE BEGIN (2) */
/* USER CODE END */
}

/* USER CODE BEGIN (3) */
/* USER CODE END */


/*----------------------------------------------------------------------------*/
/* Section Configuration                                                      */

SECTIONS
{
    .intvecs : {} > VECTORS

    flashAPI :
    {
	     ..\Debug\F021\source\Fapi_UserDefinedFunctions.obj (.text)
	     ..\Debug\F021\source\bl_flash.obj (.text)
	     --library=..\F021\F021_API_CortexR4_BE.lib < FlashStateMachine.IssueFsmCommand.obj
	     									  FlashStateMachine.SetActiveBank.obj
	     									  FlashStateMachine.InitializeFlashBanks.obj
	     									  FlashStateMachine.EnableMainSectors.obj
	     									  FlashStateMachine.IssueFsmCommand.obj
	     									  FlashStateMachine.ScaleFclk.obj
	                                          Init.obj
	                                          Utilities.CalculateEcc.obj
	                                          Utilities.WaitDelay.obj
	                                          Utilities.CalculateFletcher.obj
	                                          Read.MarginByByte.obj
	                                          Read.Common.obj
	                                          Read.FlushPipeline.obj
	     									  Read.WdService.obj
	                                          Async.WithAddress.obj
	                                          Program.obj > (.text)
    } load = FLASH_API, run = RAM, LOAD_START(api_load), RUN_START(api_run), SIZE(api_size)

    .text    : {} > FLASH0
    .const   : {} > FLASH0
    .cinit   : {} > FLASH0
    .pinit   : {} > FLASH0
//    .text    : {} > FLASH0 | FLASH1
//    .const   : {} > FLASH0 | FLASH1
//    .cinit   : {} > FLASH0 | FLASH1
//    .pinit   : {} > FLASH0 | FLASH1
    .bss     : {} > RAM
    .data    : {} > RAM
	.sysmem  : {} > RAM
	

/* USER CODE BEGIN (4) */
/* USER CODE END */
}




sys_core.asm
-------------------------------------------------------------------------------
; Copy the Flash API from flash to SRAM.
;
    .def     _copyAPI2RAM_
    .asmfunc

_copyAPI2RAM_

   .ref    api_load
flash_load   .word api_load
   .ref    api_run
flash_run   .word api_run
    .ref    api_size
flash_size  .word api_size

     ldr    r0, flash_load
     ldr    r1, flash_run
     ldr    r2, flash_size
     add    r2, r1, r2
copy_loop1:
     ldr     r3, [r0], #4
     str     r3, [r1], #4
     cmp     r1, r2
     blt     copy_loop1
      bx     lr
    .endasmfunc
;-------------------------------------------------------------------------------











sys_startup.c
/* SourceId : STARTUP_SourceId_001 */
/* DesignId : STARTUP_DesignId_001 */
/* Requirements : HL_SR508 */
void _c_int00(void)
{
    
/* USER CODE BEGIN (5) */
/* USER CODE END */

    /* Initialize Core Registers to avoid CCM Error */
    _coreInitRegisters_();

/* USER CODE BEGIN (6) */
/* USER CODE END */

    /* Initialize Stack Pointers */
    _coreInitStackPointer_();

/* USER CODE BEGIN (7) */
/* USER CODE END */

    /* Work Around for Errata DEVICE#140: ( Only on Rev A silicon) 
     *
     * Errata Description:
     *            The Core Compare Module(CCM-R4) may cause nERROR to be asserted after a cold power-on
     * Workaround:
     *            Clear ESM Group2 Channel 2 error in ESMSR2 and Compare error in CCMSR register */
    if (DEVICE_ID_REV == 0x802AAD05U)
    {
        _esmCcmErrorsClear_();
    }
    
/* USER CODE BEGIN (8) */
/* USER CODE END */

    /* Enable CPU Event Export */
    /* This allows the CPU to signal any single-bit or double-bit errors detected
     * by its ECC logic for accesses to program flash or data RAM.
     */
    _coreEnableEventBusExport_();
/* USER CODE BEGIN (9) */
/* USER CODE END */

    /* Enable response to ECC errors indicated by CPU for accesses to flash */
    flashWREG->FEDACCTRL1 = 0x000A060AU;

/* USER CODE BEGIN (10) */
/* USER CODE END */

    /* Enable CPU ECC checking for ATCM (flash accesses) */
    _coreEnableFlashEcc_();
	

/* USER CODE BEGIN (11) */
/* USER CODE END */

        /* Workaround for Errata CORTEXR4 66 */
        _errata_CORTEXR4_66_();
    
        /* Workaround for Errata CORTEXR4 57 */ 
        _errata_CORTEXR4_57_();

    /* Reset handler: the following instructions read from the system exception status register
     * to identify the cause of the CPU reset.
     */

    /* check for power-on reset condition */
    /*SAFETYMCUSW 139 S MR:13.7 <APPROVED> "Hardware status bit read check" */
    if ((SYS_EXCEPTION & POWERON_RESET) != 0U)
    {
/* USER CODE BEGIN (12) */
/* USER CODE END */
        
        /* clear all reset status flags */
        SYS_EXCEPTION = 0xFFFFU;

/* USER CODE BEGIN (13) */
/* USER CODE END */
/* USER CODE BEGIN (14) */
/* USER CODE END */
/* USER CODE BEGIN (15) */
/* USER CODE END */
      /* continue with normal start-up sequence */
    }
    /*SAFETYMCUSW 139 S MR:13.7 <APPROVED> "Hardware status bit read check" */
    else if ((SYS_EXCEPTION & OSC_FAILURE_RESET) != 0U)
    {
        /* Reset caused due to oscillator failure.
        Add user code here to handle oscillator failure */

/* USER CODE BEGIN (16) */
/* USER CODE END */
    }
    /*SAFETYMCUSW 139 S MR:13.7 <APPROVED> "Hardware status bit read check" */
    else if ((SYS_EXCEPTION & WATCHDOG_RESET) !=0U)
    {
        /* Reset caused due 
         *  1) windowed watchdog violation - Add user code here to handle watchdog violation.
         *  2) ICEPICK Reset - After loading code via CCS / System Reset through CCS
         */
        /* Check the WatchDog Status register */
        if(WATCHDOG_STATUS != 0U)
        {
            /* Add user code here to handle watchdog violation. */ 
/* USER CODE BEGIN (17) */
/* USER CODE END */

            /* Clear the Watchdog reset flag in Exception Status register */ 
            SYS_EXCEPTION = WATCHDOG_RESET;
        
/* USER CODE BEGIN (18) */
/* USER CODE END */
        }
        else
        {
            /* Clear the ICEPICK reset flag in Exception Status register */ 
            SYS_EXCEPTION = ICEPICK_RESET;
/* USER CODE BEGIN (19) */
/* USER CODE END */
        }
    }
    /*SAFETYMCUSW 139 S MR:13.7 <APPROVED> "Hardware status bit read check" */
    else if ((SYS_EXCEPTION & CPU_RESET) !=0U)
    {
        /* Reset caused due to CPU reset.
        CPU reset can be caused by CPU self-test completion, or
        by toggling the "CPU RESET" bit of the CPU Reset Control Register. */

/* USER CODE BEGIN (20) */
/* USER CODE END */

        /* clear all reset status flags */
        SYS_EXCEPTION = CPU_RESET;

/* USER CODE BEGIN (21) */
/* USER CODE END */

    }
    /*SAFETYMCUSW 139 S MR:13.7 <APPROVED> "Hardware status bit read check" */
    else if ((SYS_EXCEPTION & SW_RESET) != 0U)
    {
        /* Reset caused due to software reset.
        Add user code to handle software reset. */

/* USER CODE BEGIN (22) */
/* USER CODE END */
    }
    else
    {
        /* Reset caused by nRST being driven low externally.
        Add user code to handle external reset. */

/* USER CODE BEGIN (23) */
/* USER CODE END */
    }

    /* Check if there were ESM group3 errors during power-up.
     * These could occur during eFuse auto-load or during reads from flash OTP
     * during power-up. Device operation is not reliable and not recommended
     * in this case.
     * An ESM group3 error only drives the nERROR pin low. An external circuit
     * that monitors the nERROR pin must take the appropriate action to ensure that
     * the system is placed in a safe state, as determined by the application.
     */
    if ((esmREG->SR1[2]) != 0U)
    {
/* USER CODE BEGIN (24) */
/* USER CODE END */
    /*SAFETYMCUSW 5 C MR:NA <APPROVED> "for(;;) can be removed by adding "# if 0" and "# endif" in the user codes above and below" */
    /*SAFETYMCUSW 26 S MR:NA <APPROVED> "for(;;) can be removed by adding "# if 0" and "# endif" in the user codes above and below" */
    /*SAFETYMCUSW 28 D MR:NA <APPROVED> "for(;;) can be removed by adding "# if 0" and "# endif" in the user codes above and below" */
//        for(;;)
//        {
//        }/* Wait */
/* USER CODE BEGIN (25) */
/* USER CODE END */
    }

/* USER CODE BEGIN (26) */
/* USER CODE END */

    /* Initialize System - Clock, Flash settings with Efuse self check */
    systemInit();
    
    /* Workaround for Errata PBIST#4 */
    errata_PBIST_4();
	
    /* Run a diagnostic check on the memory self-test controller.
     * This function chooses a RAM test algorithm and runs it on an on-chip ROM.
     * The memory self-test is expected to fail. The function ensures that the PBIST controller
     * is capable of detecting and indicating a memory self-test failure.
     */
    pbistSelfCheck();	
	
	/* Run PBIST on STC ROM */
    pbistRun((uint32)STC_ROM_PBIST_RAM_GROUP,
             ((uint32)PBIST_TripleReadSlow | (uint32)PBIST_TripleReadFast));
    
    /* Wait for PBIST for STC ROM to be completed */
    /*SAFETYMCUSW 28 D MR:NA <APPROVED> "Hardware status bit read check" */
    while(pbistIsTestCompleted() != TRUE)
    { 
    }/* Wait */ 
    
    /* Check if PBIST on STC ROM passed the self-test */
    if( pbistIsTestPassed() != TRUE)
    {
        /* PBIST and STC ROM failed the self-test.
         * Need custom handler to check the memory failure
         * and to take the appropriate next step.
         */
         
        pbistFail();

    }   
	
    /* Disable PBIST clocks and disable memory self-test mode */
    pbistStop();

	/* Run PBIST on PBIST ROM */
    pbistRun((uint32)PBIST_ROM_PBIST_RAM_GROUP,
             ((uint32)PBIST_TripleReadSlow | (uint32)PBIST_TripleReadFast));
    
    /* Wait for PBIST for PBIST ROM to be completed */
    /*SAFETYMCUSW 28 D MR:NA <APPROVED> "Hardware status bit read check" */
    while(pbistIsTestCompleted() != TRUE)
    { 
    }/* Wait */ 
    
    /* Check if PBIST ROM passed the self-test */
    if( pbistIsTestPassed() != TRUE)
    {
        /* PBIST and STC ROM failed the self-test.
         * Need custom handler to check the memory failure
         * and to take the appropriate next step.
         */
         
        pbistFail();

    } 
	
    /* Disable PBIST clocks and disable memory self-test mode */
    pbistStop();	
/* USER CODE BEGIN (29) */
/* USER CODE END */

/* USER CODE BEGIN (31) */
/* USER CODE END */

    /* Disable RAM ECC before doing PBIST for Main RAM */
    _coreDisableRamEcc_();
    
    /* Run PBIST on CPU RAM.
     * The PBIST controller needs to be configured separately for single-port and dual-port SRAMs.
     * The CPU RAM is a single-port memory. The actual "RAM Group" for all on-chip SRAMs is defined in the
     * device datasheet.
     */
    pbistRun(0x08300020U, /* ESRAM Single Port PBIST */
             (uint32)PBIST_March13N_SP);

/* USER CODE BEGIN (32) */
/* USER CODE END */

    /* Wait for PBIST for CPU RAM to be completed */
    /*SAFETYMCUSW 28 D MR:NA <APPROVED> "Hardware status bit read check" */
    while(pbistIsTestCompleted() != TRUE)
    { 
    }/* Wait */                 
    

/* USER CODE BEGIN (33) */
/* USER CODE END */
    
    /* Check if CPU RAM passed the self-test */
    if( pbistIsTestPassed() != TRUE)
    {
        /* CPU RAM failed the self-test.
         * Need custom handler to check the memory failure
         * and to take the appropriate next step.
         */
/* USER CODE BEGIN (34) */
/* USER CODE END */
         
        pbistFail();
        
/* USER CODE BEGIN (35) */
/* USER CODE END */
    }

/* USER CODE BEGIN (36) */
/* USER CODE END */

    /* Disable PBIST clocks and disable memory self-test mode */
    pbistStop();

    
/* USER CODE BEGIN (37) */
/* USER CODE END */


    /* Initialize CPU RAM.
     * This function uses the system module's hardware for auto-initialization of memories and their
     * associated protection schemes. The CPU RAM is initialized by setting bit 0 of the MSIENA register.
     * Hence the value 0x1 passed to the function.
     * This function will initialize the entire CPU RAM and the corresponding ECC locations.
     */
    memoryInit(0x1U);

/* USER CODE BEGIN (38) */
/* USER CODE END */
    
    /* Enable ECC checking for TCRAM accesses.
     * This function enables the CPU's ECC logic for accesses to B0TCM and B1TCM.
     */
    _coreEnableRamEcc_();

/* USER CODE BEGIN (39) */
/* USER CODE END */

    /* Start PBIST on all dual-port memories */
    /* NOTE : Please Refer DEVICE DATASHEET for the list of Supported Dual port Memories.
       PBIST test performed only on the user selected memories in HALCoGen's GUI SAFETY INIT tab.
     */
    pbistRun(  (uint32)0x00000000U    /* EMAC RAM */
             | (uint32)0x00000000U    /* USB RAM */  
             | (uint32)0x00000800U    /* DMA RAM */
             | (uint32)0x00000200U    /* VIM RAM */
             | (uint32)0x00000040U    /* MIBSPI1 RAM */
             | (uint32)0x00000080U    /* MIBSPI3 RAM */
             | (uint32)0x00000100U    /* MIBSPI5 RAM */
             | (uint32)0x00000004U    /* CAN1 RAM */
             | (uint32)0x00000008U    /* CAN2 RAM */
             | (uint32)0x00000010U    /* CAN3 RAM */
             | (uint32)0x00000400U    /* ADC1 RAM */
             | (uint32)0x00020000U    /* ADC2 RAM */
             | (uint32)0x00001000U    /* HET1 RAM */
             | (uint32)0x00040000U    /* HET2 RAM */
             | (uint32)0x00002000U    /* HTU1 RAM */
             | (uint32)0x00080000U    /* HTU2 RAM */
             | (uint32)0x00004000U    /* RTP RAM */
             | (uint32)0x00008000U    /* FRAY RAM */
             ,(uint32) PBIST_March13N_DP);

/* USER CODE BEGIN (40) */
/* USER CODE END */

    /* Test the CPU ECC mechanism for RAM accesses.
     * The checkBxRAMECC functions cause deliberate single-bit and double-bit errors in TCRAM accesses
     * by corrupting 1 or 2 bits in the ECC. Reading from the TCRAM location with a 2-bit error
     * in the ECC causes a data abort exception. The data abort handler is written to look for
     * deliberately caused exception and to return the code execution to the instruction
     * following the one that caused the abort.
     */
    checkRAMECC();

/* USER CODE BEGIN (41) */
/* USER CODE END */
/* USER CODE BEGIN (43) */
/* USER CODE END */

    /* Wait for PBIST for CPU RAM to be completed */
    /*SAFETYMCUSW 28 D MR:NA <APPROVED> "Hardware status bit read check" */
    while(pbistIsTestCompleted() != TRUE)
    { 
    }/* Wait */                 
    

/* USER CODE BEGIN (44) */
/* USER CODE END */

    /* Check if CPU RAM passed the self-test */
    if( pbistIsTestPassed() != TRUE)
    {

/* USER CODE BEGIN (45) */
/* USER CODE END */

        /* CPU RAM failed the self-test.
         * Need custom handler to check the memory failure
         * and to take the appropriate next step.
         */
/* USER CODE BEGIN (46) */
/* USER CODE END */
         
        pbistFail();
        
/* USER CODE BEGIN (47) */
/* USER CODE END */
    }

/* USER CODE BEGIN (48) */
/* USER CODE END */

    /* Disable PBIST clocks and disable memory self-test mode */
    pbistStop();
    
/* USER CODE BEGIN (55) */
/* USER CODE END */

    /* Release the MibSPI1 modules from local reset.
     * This will cause the MibSPI1 RAMs to get initialized along with the parity memory.
     */
     mibspiREG1->GCR0 = 0x1U;
     
    /* Release the MibSPI3 modules from local reset.
     * This will cause the MibSPI3 RAMs to get initialized along with the parity memory.
     */
    mibspiREG3->GCR0 = 0x1U;
    
    /* Release the MibSPI5 modules from local reset.
     * This will cause the MibSPI5 RAMs to get initialized along with the parity memory.
     */
    mibspiREG5->GCR0 = 0x1U;
    
/* USER CODE BEGIN (56) */
/* USER CODE END */

    /* Enable parity on selected RAMs */
    enableParity();
    
    /* Initialize all on-chip SRAMs except for MibSPIx RAMs
     * The MibSPIx modules have their own auto-initialization mechanism which is triggered
     * as soon as the modules are brought out of local reset.
     */
    /* The system module auto-init will hang on the MibSPI RAM if the module is still in local reset.
     */
    /* NOTE : Please Refer DEVICE DATASHEET for the list of Supported Memories and their channel numbers.
              Memory Initialization is perfomed only on the user selected memories in HALCoGen's GUI SAFETY INIT tab.
     */
    memoryInit( (uint32)((uint32)1U << 1U)    /* DMA RAM */
              | (uint32)((uint32)1U << 2U)    /* VIM RAM */
              | (uint32)((uint32)1U << 5U)    /* CAN1 RAM */
              | (uint32)((uint32)1U << 6U)    /* CAN2 RAM */
              | (uint32)((uint32)1U << 10U)   /* CAN3 RAM */
              | (uint32)((uint32)1U << 8U)    /* ADC1 RAM */
              | (uint32)((uint32)1U << 14U)   /* ADC2 RAM */
              | (uint32)((uint32)1U << 3U)    /* HET1 RAM */
              | (uint32)((uint32)1U << 4U)    /* HTU1 RAM */
              | (uint32)((uint32)1U << 15U)   /* HET2 RAM */
              | (uint32)((uint32)1U << 16U)   /* HTU2 RAM */
              );

    /* Disable parity */
    disableParity();
    
    /* Test the parity protection mechanism for peripheral RAMs
       NOTE : Please Refer DEVICE DATASHEET for the list of Supported Memories with parity.
                 Parity Self check is perfomed only on the user selected memories in HALCoGen's GUI SAFETY INIT tab.
    */

/* USER CODE BEGIN (57) */
/* USER CODE END */
     
    het1ParityCheck();
    
/* USER CODE BEGIN (58) */
/* USER CODE END */

    htu1ParityCheck();
    
/* USER CODE BEGIN (59) */
/* USER CODE END */

    het2ParityCheck();
    
/* USER CODE BEGIN (60) */
/* USER CODE END */

    htu2ParityCheck();
    
/* USER CODE BEGIN (61) */
/* USER CODE END */

    adc1ParityCheck();
    
/* USER CODE BEGIN (62) */
/* USER CODE END */

    adc2ParityCheck();
    
/* USER CODE BEGIN (63) */
/* USER CODE END */

    can1ParityCheck();
    
/* USER CODE BEGIN (64) */
/* USER CODE END */

    can2ParityCheck();
    
/* USER CODE BEGIN (65) */
/* USER CODE END */

    can3ParityCheck();
    
/* USER CODE BEGIN (66) */
/* USER CODE END */

    vimParityCheck();
    
/* USER CODE BEGIN (67) */
/* USER CODE END */

    dmaParityCheck();


/* USER CODE BEGIN (68) */
/* USER CODE END */

/*SAFETYMCUSW 28 D MR:NA <APPROVED> "Hardware status bit read check" */
    while ((mibspiREG1->FLG & 0x01000000U) == 0x01000000U)
    { 
    }/* Wait */                 
    /* wait for MibSPI1 RAM to complete initialization */
/*SAFETYMCUSW 28 D MR:NA <APPROVED> "Hardware status bit read check" */
    while ((mibspiREG3->FLG & 0x01000000U) == 0x01000000U)
    { 
    }/* Wait */                 
    /* wait for MibSPI3 RAM to complete initialization */ 
/*SAFETYMCUSW 28 D MR:NA <APPROVED> "Hardware status bit read check" */
    while ((mibspiREG5->FLG & 0x01000000U) == 0x01000000U)
    { 
    }/* Wait */                 
    /* wait for MibSPI5 RAM to complete initialization */

/* USER CODE BEGIN (69) */
/* USER CODE END */

    mibspi1ParityCheck();
    
/* USER CODE BEGIN (70) */
/* USER CODE END */

    mibspi3ParityCheck();
    
/* USER CODE BEGIN (71) */
/* USER CODE END */
    
    mibspi5ParityCheck();
    

/* USER CODE BEGIN (72) */
/* USER CODE END */
    
    /* Enable IRQ offset via Vic controller */
    _coreEnableIrqVicOffset_();
    

/* USER CODE BEGIN (73) */
/* USER CODE END */

    /* Initialize VIM table */
    vimInit();    

/* USER CODE BEGIN (74) */
/* USER CODE END */

    /* Configure system response to error conditions signaled to the ESM group1 */
    /* This function can be configured from the ESM tab of HALCoGen */
    esmInit();
    /* initialize copy table */
    __TI_auto_init();
    /* USER CODE BEGIN (75) */
    _copyAPI2RAM_();
    /* USER CODE END */
    /* call the application */
/*SAFETYMCUSW 296 S MR:8.6 <APPROVED> "Startup code(library functions at block scope)" */
/*SAFETYMCUSW 326 S MR:8.2 <APPROVED> "Startup code(Declaration for main in library)" */
/*SAFETYMCUSW 60 D MR:8.8 <APPROVED> "Startup code(Declaration for main in library;Only doing an extern for the same)" */
    main();

/* USER CODE BEGIN (76) */
/* USER CODE END */
/*SAFETYMCUSW 122 S MR:20.11 <APPROVED> "Startup code(exit and abort need to be present)" */
    exit(0);

/* USER CODE BEGIN (77) */
/* USER CODE END */
}

/* USER CODE BEGIN (78) */
/* USER CODE END */