cmd 配置 CMD的专业名称叫链接器配置文件，是存放链接器的配置信息的，我们简称为命令文件，其中比较关键的就是MEMORY和SECTIONS两个伪指令的使用， DSP2812的CMD详细配置例子 MEMORY
{
PAGE 0: /* Program Memory */
ZONE0 : origin = 0x002000, length = 0x002000 /* XINTF zone 0 */
ZONE1 : origin = 0x004000, length = 0x002000 /* XINTF zone 1 */
RAML0 : origin = 0x008000, length = 0x001000 /* on-chip RAM block L0 */
ZONE2 : origin = 0x080000, length = 0x080000 /* XINTF zone 2 */
ZONE6 : origin = 0x100000, length = 0x080000 /* XINTF zone 6 */
OTP : origin = 0x3D7800, length = 0x000800 /* on-chip OTP */
FLASHJ : origin = 0x3D8000, length = 0x002000 /* on-chip FLASH */
FLASHI : origin = 0x3DA000, length = 0x002000 /* on-chip FLASH */
FLASHH : origin = 0x3DC000, length = 0x004000 /* on-chip FLASH */
FLASHG : origin = 0x3E0000, length = 0x004000 /* on-chip FLASH */
FLASHF : origin = 0x3E4000, length = 0x004000 /* on-chip FLASH */
FLASHE : origin = 0x3E8000, length = 0x004000 /* on-chip FLASH */
FLASHD : origin = 0x3EC000, length = 0x004000 /* on-chip FLASH */
FLASHC : origin = 0x3F0000, length = 0x004000 /* on-chip FLASH */
FLASHA : origin = 0x3F6000, length = 0x002000 /* on-chip FLASH */
BEGIN : origin = 0x3F8000, length = 0x000002 /* Part of H0. Used for "boot to H0" bootloader mode. */
PRAMH0 : origin = 0x3F8002, length = 0x001FFE /*0xFFE /* portion of H0 we''ve mapped to PAGE 0 */
/* ZONE7 : origin = 0x3FC000, length = 0x003FC0 /* XINTF zone 7 available if MP/MCn=1 */
ROM : origin = 0x3FF000, length = 0x000FC0 /* boot ROM available if MP/MCn=0 */
RESET : origin = 0x3FFFC0, length = 0x000002 /* part of boot ROM (MP/MCn=0) or XINTF zone 7 (MP/MCn=1) */
VECTORS : origin = 0x3FFFC2, length = 0x00003E /* part of boot ROM (MP/MCn=0) or XINTF zone 7 (MP/MCn=1) */  AGE 1 : /* Data Memory */
RAMM0 : origin = 0x000000, length = 0x000400 /* on-chip RAM block M0 */
RAMM1 : origin = 0x000400, length = 0x000400 /* on-chip RAM block M1 */
DEV_EMU : origin = 0x000880, length = 0x000180 /* device emulation registers */
FLASH_REGS : origin = 0x000A80, length = 0x000060 /* FLASH registers */
CSM : origin = 0x000AE0, length = 0x000010 /* code security module registers */
XINTF : origin = 0x000B20, length = 0x000020 /* external interface registers */
CPU_TIMER0 : origin = 0x000C00, length = 0x000008 /* CPU Timer0 registers (CPU Timer1 and Timer2 are reserved for BIOS)*/
PIE_CTRL : origin = 0x000CE0, length = 0x000020 /* PIE control registers */
PIE_VECT : origin = 0x000D00, length = 0x000100 /* PIE vector table */
ECAN_A : origin = 0x006000, length = 0x000100 /* eCAN registers */
ECAN_AMBOX : origin = 0x006100, length = 0x000100 /* eCAN mailboxes */
SYSTEM : origin = 0x007010, length = 0x000020 /* System control registers */
SPI_A : origin = 0x007040, length = 0x000010 /* SPI registers */
SCI_A : origin = 0x007050, length = 0x000010 /* SCI-A registers */
XINTRUPT : origin = 0x007070, length = 0x000010 /* external interrupt registers */
GPIOMUX : origin = 0x0070C0, length = 0x000020 /* GPIO mux registers */
GPIODAT : origin = 0x0070E0, length = 0x000020 /* GPIO data registers */
ADC : origin = 0x007100, length = 0x000020 /* ADC registers */
EV_A : origin = 0x007400, length = 0x000040 /* Event Manager A registers */
EV_B : origin = 0x007500, length = 0x000040 /* Event Manager B registers */
SCI_B : origin = 0x007750, length = 0x000010 /* SCI-B registers */
MCBSP_A : origin = 0x007800, length = 0x000040 /* McBSP registers */
RAML1 : origin = 0x009000, length = 0x001000 /* on-chip RAM block L1 */
FLASHB : origin = 0x3F4000, length = 0x002000 /* on-chip FLASH */
CSM_PWL : origin = 0x3F7FF8, length = 0x000008 /* CSM password locations in FLASHA */
DRAMH0 : origin = 0x3f9000, length = 0x001000 /* portion of H0 we''ve mapped to PAGE 1 */
}
SECTIONS
{
/*** Compiler Required Sections ***/
.text : > PRAMH0, PAGE = 0
.cinit : > PRAMH0, PAGE = 0
.stack : > RAMM1, PAGE = 1
.bss : > RAMM0, PAGE = 1
.ebss : > RAMM0, PAGE = 1
.const : > RAMM0, PAGE = 1
.econst : > RAMM0, PAGE = 1
.sysmem : > RAMM1, PAGE = 1
.reset : > RESET, PAGE = 0, TYPE = DSECT /* we are not using the .reset section */
/*** User Defined Sections ***/
codestart : > BEGIN, PAGE = 0 /* Used by file DSP28_CodeStartBranch.asm */ /*** 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
PieCtrlRegsFile : > PIE_CTRL, PAGE = 1
PieVectTable : > PIE_VECT, PAGE = 1 /*** 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 /*** Peripheral Frame 2 Register Structures ***/
ECanaRegsFile : > ECAN_A, PAGE = 1
ECanaMboxesFile : > ECAN_AMBOX PAGE = 1 /*** Code Security Password Locations ***/
CsmPwlFile : > CSM_PWL, PAGE = 1 }
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