-stack 0xF000 /*Primary Stack Size 50KBytes*/ -sysstack 0x0E00 /*Secondary Stack Size 10KBytes*/ -heap 0x6000 /*Run time Heap memory 24KBytes*/ -c /* Use C linking conventions: auto-init vars at runtime */ -u _Reset /* Force load of reset interrupt handler */ MEMORY { /*Unified Program and Data Space*/ PAGE 0: MMRS (RWIX) : origin = 0x000000, length = 0x0000C0 /*MMR-192 Bytes */ DARAM0 (RWIX) : origin = 0x0000C0, length = 0X00FF40 /*64KBytes-MMRS*/ /*heap and tables*/ SARAM0 (RWIX) : origin = 0x010000, length = 0x00A000 /* 40KB */ /*my heap*/ SARAM1 (RWIX) : origin = 0x01A000, length = 0x026000 /* 152KB */ /*code */ SARAM2 (RWIX) : origin = 0x040000, length = 0x00FE00 /* 63KB */ /*stack*/ VECS (RWIX) : origin = 0x04FE00, length = 0x000200 /* 512B */ /*IVT*/ /*End of SARAM*/ PDROM (RIX) : origin = 0xFE0000, length = 0x010000 /* 64KB */ PAGE 2: /* -------- 64K-word I/O Address Space -------- */ IOPORT (RWI) : origin = 0x000000, length = 0x020000 } SECTIONS { .text: > SARAM1 /*CODE*/ /* Both stacks must be on same physical memory page */ .stack > SARAM2 /* Primary system stack */ .sysstack > SARAM2 /* Secondary system stack */ .data > SARAM0 /* Initialized vars */ .bss > DARAM0 /* Global & static vars */ .const > DARAM0 /* Constant data */ .sysmem > DARAM0 /* Dynamic memory (malloc) */ .switch > DARAM0 /* Switch statement tables */ .cinit > DARAM0 /* Auto-initialization tables */ .pinit > SARAM0 /* Initialization fn tables */ .cio > SARAM0 /* C I/O buffers */ .args > SARAM0 /* Arguments to main() */ .vectors: > VECS /*Interrrupt Vectors */ .bootmem: > DARAM0 .myheap: > SARAM0 .ioport > IOPORT PAGE 2 /* Global & static ioport vars */ } This is the latest linker file,while my stack lies in range of 0x040000 to 0x04fc00 as size of 63KB(isn't this huge)
now when i see the SP using debugger the value is
0x0277FD(at main)
SP: 0x027777(into preprocess_analysis() )
SSP: 0x027EEE
why so ? isn't it should be in my SARAM2 region
i dont think my app requires such a huge stack, what would be the some else problem,