修改了2837xD_FLASH_lnk_cpu2.cmd文件,由于定义RAM空间不够大,把原来
.ebss : > RAMLS5 PAGE = 1 改为
.ebss : >> RAMLS5 | RAMGS7 | RAMGS8 PAGE = 1 编译没报错,但是部分变量一直为0,没办法赋值。
想把RAM空间改大,但目前没找到方法,求助一下论坛里的大神,帮帮忙看一下,下面是cmd文件源码
MEMORY
{
PAGE 0 :
/* BEGIN is used for the "boot to SARAM" bootloader mode */
BEGIN : origin = 0x080000, length = 0x000002
RAMM0 : origin = 0x000080, length = 0x000380
RAMD0 : origin = 0x00B000, length = 0x000800
RAMLS0 : origin = 0x008000, length = 0x000800
RAMLS1 : origin = 0x008800, length = 0x000800
RAMLS2 : origin = 0x009000, length = 0x000800
RAMLS3 : origin = 0x009800, length = 0x000800
RAMLS4 : origin = 0x00A000, length = 0x000800
RAMGS14 : origin = 0x01A000, length = 0x001000
RAMGS15 : origin = 0x01B000, length = 0x001000
RESET : origin = 0x3FFFC0, length = 0x000002
/* Flash sectors */
FLASHA : origin = 0x080002, length = 0x001FFE /* on-chip Flash */
FLASHB : origin = 0x082000, length = 0x002000 /* on-chip Flash */
FLASHC : origin = 0x084000, length = 0x002000 /* on-chip Flash */
FLASHD : origin = 0x086000, length = 0x002000 /* on-chip Flash */
FLASHE : origin = 0x088000, length = 0x008000 /* on-chip Flash */
FLASHF : origin = 0x090000, length = 0x008000 /* on-chip Flash */
FLASHG : origin = 0x098000, length = 0x008000 /* on-chip Flash */
FLASHH : origin = 0x0A0000, length = 0x008000 /* on-chip Flash */
FLASHI : origin = 0x0A8000, length = 0x008000 /* on-chip Flash */
FLASHJ : origin = 0x0B0000, length = 0x008000 /* on-chip Flash */
FLASHK : origin = 0x0B8000, length = 0x002000 /* on-chip Flash */
FLASHL : origin = 0x0BA000, length = 0x002000 /* on-chip Flash */
FLASHM : origin = 0x0BC000, length = 0x002000 /* on-chip Flash */
FLASHN : origin = 0x0BE000, length = 0x002000 /* on-chip Flash */PAGE 1 :
BOOT_RSVD : origin = 0x000002, length = 0x00007E /* Part of M0, BOOT rom will use this for stack */
RAMM1 : origin = 0x000400, length = 0x000400 /* on-chip RAM block M1 */
RAMD1 : origin = 0x00B800, length = 0x000800
RAMLS5 : origin = 0x00A800, length = 0x000800 /// 20180809
RAMGS0 : origin = 0x00C000, length = 0x001000
RAMGS1 : origin = 0x00D000, length = 0x001000
RAMGS2 : origin = 0x00E000, length = 0x001000 /// 20180913
CPU2TOCPU1RAM : origin = 0x03F800, length = 0x000400
CPU1TOCPU2RAM : origin = 0x03FC00, length = 0x000400
}
SECTIONS
{
/* Allocate program areas: */
.cinit : > FLASHB PAGE = 0, ALIGN(4)
.pinit : > FLASHB, PAGE = 0, ALIGN(4)
//.text : > FLASHB PAGE = 0, ALIGN(4)
.text : >> FLASHB | FLASHC | FLASHD | FLASHE PAGE = 0, ALIGN(4)
mathcode : > FLASHC, PAGE = 0, ALIGN(4)
codestart : > BEGIN PAGE = 0, ALIGN(4)
ramfuncs : LOAD = FLASHD,
RUN = RAMLS0 | RAMLS1 | RAMLS2 |RAMLS3,
LOAD_START(_RamfuncsLoadStart),
LOAD_SIZE(_RamfuncsLoadSize),
LOAD_END(_RamfuncsLoadEnd),
RUN_START(_RamfuncsRunStart),
RUN_SIZE(_RamfuncsRunSize),
RUN_END(_RamfuncsRunEnd),
PAGE = 0, ALIGN(4)
/* Allocate uninitalized data sections: */
.stack : > RAMM1 PAGE = 1
// .ebss : > RAMLS5 PAGE = 1 ///20180809
.ebss : >> RAMLS5 | RAMGS7 | RAMGS8 PAGE = 1 ///20180913
.esysmem : > RAMLS5 PAGE = 1 /// 20180913 RAMLS5 RAMGS2
/* Initalized sections go in Flash */
// .econst : > FLASHB PAGE = 0, ALIGN(4)
.econst : >> FLASHF | FLASHG | FLASHH PAGE = 0, ALIGN(4)
.switch : > FLASHB PAGE = 0, ALIGN(4)
.reset : > RESET, PAGE = 0, TYPE = DSECT /* not used, */
SHARERAMGS0 : > RAMGS7, PAGE = 1 ///
SHARERAMGS1 : > RAMGS8, PAGE = 1 ///
#ifdef __TI_COMPILER_VERSION
#if __TI_COMPILER_VERSION >= 15009000
.TI.ramfunc : {} LOAD = FLASHD,
RUN = RAMLS0 | RAMLS1 | RAMLS2 |RAMLS3,
LOAD_START(_RamfuncsLoadStart),
LOAD_SIZE(_RamfuncsLoadSize),
LOAD_END(_RamfuncsLoadEnd),
RUN_START(_RamfuncsRunStart),
RUN_SIZE(_RamfuncsRunSize),
RUN_END(_RamfuncsRunEnd),
PAGE = 0, ALIGN(4)
#endif
#endif
/* The following section definitions are required when using the IPC API Drivers */ GROUP : > CPU2TOCPU1RAM, PAGE = 1 {
PUTBUFFER PUTWRITEIDX GETREADIDX }
GROUP : > CPU1TOCPU2RAM, PAGE = 1
{
GETBUFFER : TYPE = DSECT
GETWRITEIDX : TYPE = DSECT
PUTREADIDX : TYPE = DSECT
}}
Brian Wang0:为什么在MEMORY部分没有定义RAMGS7 | RAMGS8?