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采用ti的28035的fir32工程,经过仿真测试是没有问题的。随后加入自己的工程文件,由于代码量过大,需要修改CMD文件之后。之后就发现无法正常进入TASK任务。
而且更奇怪的是,有时候可以,有时候不行。 CMD文件修改如下: _Cla1Prog_Start = _Cla1funcsRunStart; -heap 0x200 -stack 0x200 // Define a size for the CLA scratchpad area that will be used // by the CLA compiler for local symbols and temps // Also force references to the special symbols that mark the // scratchpad are. // CLA_SCRATCHPAD_SIZE = 0x100; --undef_sym=__cla_scratchpad_end --undef_sym=__cla_scratchpad_start MEMORY { PAGE 0: /* Program Memory */ /* Memory (RAM/FLASH/OTP) blocks can be moved to PAGE1 for data allocation */ RAMM0 : origin = 0x000050, length = 0x0003B0 /* on-chip RAM block M0 */ RAML3 : origin = 0x009000, length = 0x000800 /* on-chip RAM block M0 */ RAML4 : origin = 0x009800, length = 0x000800 /* on-chip RAM block L3 */ OTP : origin = 0x3D7800, length = 0x000400 /* on-chip OTP */ // FLASHH : origin = 0x3E8000, length = 0x002000 /* on-chip FLASH */ // FLASHG : origin = 0x3EA000, length = 0x002000 /* on-chip FLASH */ FLASHF : origin = 0x3E8000, length = 0x002000 /* on-chip FLASH */ FLASHE : origin = 0x3EA000, length = 0x002000 /* on-chip FLASH */ FLASHD : origin = 0x3EC000, length = 0x002000 /* on-chip FLASH */ FLASHC : origin = 0x3EE000, length = 0x006000 /* on-chip FLASH */ FLASHA : origin = 0x3F6000, length = 0x001F80 /* on-chip FLASH */ CSM_RSVD : origin = 0x3F7F80, length = 0x000076 /* Part of FLASHA. Program with all 0x0000 when CSM is in use. */ BEGIN : origin = 0x3F7FF6, length = 0x000002 /* Part of FLASHA. Used for "boot to Flash" bootloader mode. */ CSM_PWL_P0 : origin = 0x3F7FF8, length = 0x000008 /* Part of FLASHA. CSM password locations in FLASHA */ IQTABLES : origin = 0x3FE000, length = 0x000B50 /* IQ Math Tables in Boot ROM */ IQTABLES2 : origin = 0x3FEB50, length = 0x00008C /* IQ Math Tables in Boot ROM */ IQTABLES3 : origin = 0x3FEBDC, length = 0x0000AA /* IQ Math Tables in Boot ROM */ ROM : origin = 0x3FF27C, length = 0x000D44 /* Boot ROM */ RESET : origin = 0x3FFFC0, length = 0x000002 /* part of boot ROM */ VECTORS : origin = 0x3FFFC2, length = 0x00003E /* part of boot ROM */ PAGE 1 : /* Data Memory */ /* Memory (RAM/FLASH/OTP) blocks can be moved to PAGE0 for program allocation */ /* Registers remain on PAGE1 */ BOOT_RSVD : origin = 0x000000, length = 0x000050 /* Part of M0, BOOT rom will use this for stack */ RAMM1 : origin = 0x000400, length = 0x000400 /* on-chip RAM block M1 */ RAML0 : origin = 0x008000, length = 0x000800 /* on-chip RAM block L0 */ CLARAM0 : origin = 0x008800, length = 0x000400 CLARAM1 : origin = 0x008C00, length = 0x000400 CLA1_MSGRAMLOW : origin = 0x001480, length = 0x000080 CLA1_MSGRAMHIGH : origin = 0x001500, length = 0x000080 FLASHB : origin = 0x3F4000, length = 0x002000 /* on-chip FLASH */ } /* Allocate sections to memory blocks. Note: codestart user defined section in DSP28_CodeStartBranch.asm used to redirect code execution when booting to flash ramfuncs user defined section to store functions that will be copied from Flash into RAM */ SECTIONS { /* Allocate program areas: */ .cinit : > FLASHA PAGE = 0 .pinit : > FLASHA, PAGE = 0 .text : >> FLASHC | FLASHE PAGE = 0 codestart : > BEGIN PAGE = 0 ramfuncs : LOAD = FLASHD, RUN = RAML3, LOAD_START(_RamfuncsLoadStart), LOAD_SIZE(_RamfuncsLoadSize), RUN_START(_RamfuncsRunStart), PAGE = 0 csmpasswds : > CSM_PWL_P0 PAGE = 0 csm_rsvd : > CSM_RSVD PAGE = 0 /* Allocate uninitalized data sections: */ .stack : > RAMM1 PAGE = 1 .cio : >> RAML0 | RAMM1 PAGE = 1 .sysmem : > RAMM1 PAGE = 1 .ebss : > RAML0 PAGE = 1 .esysmem : > RAML0 PAGE = 1 /* Initalized sections go in Flash */ /* For SDFlash to program these, they must be allocated to page 0 */ .econst : > FLASHA PAGE = 0 .switch : > FLASHA PAGE = 0 /* Allocate IQ math areas: */ IQmath : > FLASHA PAGE = 0 /* Math Code */ IQmathTables : > IQTABLES, PAGE = 0, TYPE = NOLOAD .bss_cla : > CLARAM0, PAGE = 1 .scratchpad : > CLARAM0, PAGE = 1 Cla1Prog : LOAD = FLASHD, RUN = RAML4, LOAD_START(_Cla1funcsLoadStart), LOAD_END(_Cla1funcsLoadEnd), RUN_START(_Cla1funcsRunStart), LOAD_SIZE(_Cla1funcsLoadSize), PAGE = 0 Cla1ToCpuMsgRAM : > CLA1_MSGRAMLOW, PAGE = 1 CpuToCla1MsgRAM : > CLA1_MSGRAMHIGH, PAGE = 1 Cla1DataRam0 : > CLARAM0, PAGE = 1 Cla1DataRam1 : > CLARAM1, PAGE = 1 GROUP : LOAD = FLASHB, RUN = CLARAM1, LOAD_START(_Cla1mathTablesLoadStart), LOAD_END(_Cla1mathTablesLoadEnd), RUN_START(_Cla1mathTablesRunStart), LOAD_SIZE(_Cla1mathTablesLoadSize), PAGE = 1 { CLA1mathTables .const_cla } CLAscratch : { *.obj(CLAscratch) . += CLA_SCRATCHPAD_SIZE; *.obj(CLAscratch_end) } > CLARAM0, PAGE = 1 /* Uncomment the section below if calling the IQNexp() or IQexp() functions from the IQMath.lib library in order to utilize the relevant IQ Math table in Boot ROM (This saves space and Boot ROM is 1 wait-state). If this section is not uncommented, IQmathTables2 will be loaded into other memory (SARAM, Flash, etc.) and will take up space, but 0 wait-state is possible. */ /* IQmathTables2 : > IQTABLES2, PAGE = 0, TYPE = NOLOAD { IQmath.lib } */ /* Uncomment the section below if calling the IQNasin() or IQasin() functions from the IQMath.lib library in order to utilize the relevant IQ Math table in Boot ROM (This saves space and Boot ROM is 1 wait-state). If this section is not uncommented, IQmathTables2 will be loaded into other memory (SARAM, Flash, etc.) and will take up space, but 0 wait-state is possible. */ /* IQmathTables3 : > IQTABLES3, PAGE = 0, TYPE = NOLOAD { IQmath.lib } */ /* .reset is a standard section used by the compiler. It contains the */ /* the address of the start of _c_int00 for C Code. /* /* When using the boot ROM this section and the CPU vector */ /* table is not needed. Thus the default type is set here to */ /* DSECT */ .reset : > RESET, PAGE = 0, TYPE = DSECT vectors : > VECTORS PAGE = 0, TYPE = DSECT } |
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跟CLA所选的RAM区域有关,定义在0X9000就可以正常进入任务,定义在0x9800就无法进入,暂时无不知道其中存在哪些差别,只知道可以通过这个方式解决这个问题
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