MEMORY /* Program Memory */
{
PAGE 0 :
FLASH : origin = 0x3D8000, length = 0x01FF80 /* on-chip FLASH */
BEGIN : origin = 0x3F7FF6, length = 0x000002
ROM : origin = 0x3FF000, length = 0x000FC0
RESET : origin = 0x3FFFC0, length = 0x000002
VECTORS : origin = 0x3FFFC2, length = 0x00003E /* part of Boot ROM (MP/MCn=0) or XINTF zone 7 (MP/MCn=1) */
RAML0L1 : origin = 0x008000, length = 0x002000
RAMH0 : origin = 0x3f8000, length = 0x002000
PAGE 1 :
/* SARAM */
RAMM0 : origin = 0x000000, length = 0x000400
RAMM1 : origin = 0x000400, length = 0x000400
/* Peripheral Frame 0: */
DEV_EMU : origin = 0x000880, length = 0x000180
FLASH_REGS : origin = 0x000A80, length = 0x000060
CSM : origin = 0x000AE0, length = 0x000010
XINTF : origin = 0x000B20, length = 0x000020
CPU_TIMER0 : origin = 0x000C00, length = 0x000008
CPU_TIMER1 : origin = 0x000C08, length = 0x000008
CPU_TIMER2 : origin = 0x000C10, length = 0x000008
PIE_CTRL : origin = 0x000CE0, length = 0x000020
PIE_VECT : origin = 0x000D00, length = 0x000100
/* Peripheral Frame 1: */
ECAN_A : origin = 0x006000, length = 0x000100
ECAN_AMBOX : origin = 0x006100, length = 0x000100
/* Peripheral Frame 2: */
SYSTEM : origin = 0x007010, length = 0x000020
SPI_A : origin = 0x007040, length = 0x000010
SCI_A : origin = 0x007050, length = 0x000010
XINTRUPT : origin = 0x007070, length = 0x000010
GPIOMUX : origin = 0x0070C0, length = 0x000020
GPIODAT : origin = 0x0070E0, length = 0x000020
ADC : origin = 0x007100, length = 0x000020
EV_A : origin = 0x007400, length = 0x000040
EV_B : origin = 0x007500, length = 0x000040
SPI_B : origin = 0x007740, length = 0x000010
SCI_B : origin = 0x007750, length = 0x000010
MCBSP_A : origin = 0x007800, length = 0x000040
/* CSM Password Locations */
CSM_PWL : origin = 0x3F7FF8, length = 0x000008
/* XRAM */
DRAMXINTF6A : origin = 0x100000, length = 0x0024FF
DRAMXINTF6B : origin = 0x102500, length = 0x0024FF
DRAMXINTF6C : origin = 0x105000, length = 0x0024FF
}
/*------------------------------------------*/
/*描述:设置堆栈值 */
/*------------------------------------------*/
-stack 800
/*------------------------------------------*/
/*描述:通过SECTION伪指令来分配段到存储空间 */
/*------------------------------------------*/
SECTIONS
{
.reset : > RESET, PAGE = 0, TYPE = DSECT
vectors : > VECTORS, PAGE = 0, TYPE = DSECT
codestart : > BEGIN, PAGE = 0
wddisable : > FLASH, PAGE = 0
copysections : > FLASH, PAGE = 0 /* Used by file SectionCopy.asm */
.stack : > RAMM0, PAGE = 1
.bss : > RAMM1, PAGE = 1
.ebss : > RAMM1, PAGE = 1
.sysmem : > RAMM1, PAGE = 1
.esysmem : > RAMM1, PAGE = 1
.const : > RAMM1, PAGE = 1
.switch : > RAMH0, PAGE = 0
/*** Initialized Sections ***/
.cinit : LOAD = FLASH, PAGE = 0 /* Load section to Flash */
RUN = RAMH0, PAGE = 0 /* Run section from RAM */
LOAD_START(_cinit_loadstart),
RUN_START(_cinit_runstart),
SIZE(_cinit_size)
.econst : LOAD = FLASH, PAGE = 0 /* Load section to Flash */
RUN = RAMH0, PAGE = 0 /* Run section from RAM */
LOAD_START(_econst_loadstart),
RUN_START(_econst_runstart),
SIZE(_econst_size)
.pinit : LOAD = FLASH, PAGE = 0 /* Load section to Flash */
RUN = RAMH0, PAGE = 0 /* Run section from RAM */
LOAD_START(_pinit_loadstart),
RUN_START(_pinit_runstart),
SIZE(_pinit_size)
.text : LOAD = FLASH, PAGE = 0 /* Load section to Flash */
RUN = RAML0L1, PAGE = 0 /* Run section from RAM */
LOAD_START(_text_loadstart),
RUN_START(_text_runstart),
SIZE(_text_size)
CURRENTA : > DRAMXINTF6A, PAGE = 1
CURRENTB : > DRAMXINTF6B, PAGE = 1
CURRENTC : > DRAMXINTF6C, PAGE = 1
/* Allocate IQ math areas: */
IQmath : > FLASH, PAGE = 0 /* Math Code */
IQmathTables : > ROM, PAGE = 0, TYPE = NOLOAD /* Math Tables In ROM */
PieVectTableFile : > PIE_VECT, PAGE = 1
/* Allocate Peripheral Frame 0 Register Structures: */
DevEmuRegsFile : > DEV_EMU PAGE = 1
FlashRegsFile : > FLASH_REGS PAGE = 1
CsmRegsFile : > CSM PAGE = 1
XintfRegsFile : > XINTF PAGE = 1
CpuTimer0RegsFile : > CPU_TIMER0 PAGE = 1
CpuTimer1RegsFile : > CPU_TIMER1 PAGE = 1
CpuTimer2RegsFile : > CPU_TIMER2 PAGE = 1
PieCtrlRegsFile : > PIE_CTRL PAGE = 1
PieVectTable : > PIE_VECT PAGE = 1
/* Allocate Peripheral Frame 2 Register Structures: */
ECanaRegsFile : > ECAN_A PAGE = 1
ECanaMboxesFile : > ECAN_AMBOX PAGE = 1
/* Allocate Peripheral Frame 1 Register Structures: */
SysCtrlRegsFile : > SYSTEM PAGE = 1
SpiaRegsFile : > SPI_A PAGE = 1
SciaRegsFile : > SCI_A PAGE = 1
XIntruptRegsFile : > XINTRUPT PAGE = 1
GpioMuxRegsFile : > GPIOMUX PAGE = 1
GpioDataRegsFile : > GPIODAT PAGE = 1
AdcRegsFile : > ADC PAGE = 1
EvaRegsFile : > EV_A PAGE = 1
EvbRegsFile : > EV_B PAGE = 1
ScibRegsFile : > SCI_B PAGE = 1
McbspaRegsFile : > MCBSP_A PAGE = 1
/* CSM Password Locations */
CsmPwlFile : > CSM_PWL PAGE = 1
}
.ASM文件；
WD_DISABLE .set 1 ;置1禁止看门狗
.ref copy_sections
.global codestart
.sect "codestart"
code_start:
.if WD_DISABLE == 1
LB wd_disable ;跳转至屏蔽看门狗代码
.else
LB copy_sections ;跳转至引导程序_c_int00
.endif
;end codestart section
;***********************************************************************
;* Function: wd_disable
;* Description: Disables the watchdog timer
;***********************************************************************
.if WD_DISABLE == 1
.sect "wddisable"
wd_disable:
SETC OBJMODE ;C28x目标模式
EALLOW ;允许访问受保护的寄存器
MOVZ DP, #7029h>>6 ;加载看门狗控制寄存器
MOV @7029h, #0068h ;禁止看门狗
EDIS ;禁止访问受保护的寄存器
LB copy_sections ;跳转至运行库中的boot.asm
.endif
.end
;//###########################################################################
.global _SetDBGIER
.text
_SetDBGIER:
MOV *SP++,AL
POP DBGIER
LRETR
.ref _c_int00
.global copy_sections
.global _cinit_loadstart, _cinit_runstart, _cinit_size
;.global _const_loadstart, _const_runstart, _const_size
.global _econst_loadstart, _econst_runstart, _econst_size
.global _pinit_loadstart, _pinit_runstart, _pinit_size
;.global _switch_loadstart, _switch_runstart, _switch_size
.global _text_loadstart, _text_runstart, _text_size
***********************************************************************
* Function: copy_sections
*
* Description: Copies initialized sections from flash to ram
***********************************************************************
.sect "copysections"
copy_sections:
;MOVL XAR5,#_const_size ; Store Section Size in XAR5
;MOVL ACC,@XAR5 ; Move Section Size to ACC
;MOVL XAR6,#_const_loadstart ; Store Load Starting Address in XAR6
;MOVL XAR7,#_const_runstart ; Store Run Address in XAR7
;LCR copy ; Branch to Copy
MOVL XAR5,#_econst_size ; Store Section Size in XAR5
MOVL ACC,@XAR5 ; Move Section Size to ACC
MOVL XAR6,#_econst_loadstart ; Store Load Starting Address in XAR6
MOVL XAR7,#_econst_runstart ; Store Run Address in XAR7
LCR copy ; Branch to Copy
MOVL XAR5,#_pinit_size ; Store Section Size in XAR5
MOVL ACC,@XAR5 ; Move Section Size to ACC
MOVL XAR6,#_pinit_loadstart ; Store Load Starting Address in XAR6
MOVL XAR7,#_pinit_runstart ; Store Run Address in XAR7
LCR copy ; Branch to Copy
;MOVL XAR5,#_switch_size ; Store Section Size in XAR5
;MOVL ACC,@XAR5 ; Move Section Size to ACC
;MOVL XAR6,#_switch_loadstart ; Store Load Starting Address in XAR6
;MOVL XAR7,#_switch_runstart ; Store Run Address in XAR7
;LCR copy ; Branch to Copy
MOVL XAR5,#_text_size ; Store Section Size in XAR5
MOVL ACC,@XAR5 ; Move Section Size to ACC
MOVL XAR6,#_text_loadstart ; Store Load Starting Address in XAR6
MOVL XAR7,#_text_runstart ; Store Run Address in XAR7
LCR copy ; Branch to Copy
MOVL XAR5,#_cinit_size ; Store Section Size in XAR5
MOVL ACC,@XAR5 ; Move Section Size to ACC
MOVL XAR6,#_cinit_loadstart ; Store Load Starting Address in XAR6
MOVL XAR7,#_cinit_runstart ; Store Run Address in XAR7
LCR copy ; Branch to Copy
LB _c_int00 ; Branch to start of boot.asm in RTS library
copy:
B return,EQ ; Return if ACC is Zero (No section to copy)
RPT AL ; Copy Section From Load Address to
|| PWRITE *XAR7, *XAR6++ ; Run Address
return:
LRETR ; Return
.end
;//===========================================================================
;// End of file.
;//===========================================================================
主函数只有初始化
但是下不到FLASH里面
总报错：data verification failed at address 0x3f7ff6 |
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