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我用ccs5.4创建了一个empty project(with main.c),用仿真器可以连上板子可以跑的。但是他的cmd文件里面把所有的段都放在片内了。我把他们改在片外,但我发现有三个段不能放在片外,如下:
MEMORY
{
HDVICP0: o = 0x00400000 l = 0x00040000 /* 256kB HDVICP0 UMAP1 */
HDVICP1: o = 0x00500000 l = 0x00040000 /* 256kB HDVICP1 UMAP1 */
DSPL2RAM: o = 0x00800000 l = 0x00040000 /* 256kB DSP L2 RAM */
DSPL1PRAM: o = 0x00E00000 l = 0x00008000 /* 32kB DSP L1 Program RAM */
DSPL1DRAM: o = 0x00F00000 l = 0x00008000 /* 32kB DSP L1 Data RAM */
DDR: o = 0x80000000 l = 0x80000000 /* 512MB DDR2 Data */
}
SECTIONS
{
.text > DSPL2RAM
.stack > DDR
.bss > DDR
.cio > DDR
.const > DDR
.data > DDR
.switch > DDR
.sysmem > DDR
.far > DDR
.args > DDR
.ppinfo > DDR
.ppdata > DDR
/* TI-ABI or COFF sections */
.pinit > DSPL2RAM
.cinit > DSPL2RAM
/* EABI sections */
.binit > DDR
.init_array > DDR
.neardata > DDR
.fardata > DDR
.rodata > DDR
.c6xabi.exidx > DDR
.c6xabi.extab > DDR
}
如果把3个DSPL2RAM改成DDR的话,代码就跑不了了。
连上班子后dsp核等待0x00800000处代码的截图如附件所示。