#include "config.h" ENTRY(start) OUTPUT_FORMAT(elf32-littlearm) OUTPUT_ARCH(arm) STARTUP(target/arm/tms320dm320/crt0.o) #ifdef DEBUG #define STUBOFFSET 0x10000 #else #define STUBOFFSET 0 #endif #ifndef LCD_NATIVE_WIDTH #define LCD_NATIVE_WIDTH LCD_WIDTH #endif #ifndef LCD_NATIVE_HEIGHT #define LCD_NATIVE_HEIGHT LCD_HEIGHT #endif #define LCD_FUDGE LCD_NATIVE_WIDTH%32 #define LCD_BUFFER_SIZE ((LCD_NATIVE_WIDTH+LCD_FUDGE)*LCD_NATIVE_HEIGHT*2) /* must be 16Kb (0x4000) aligned */ #define TTB_SIZE 0x4000 /* Give this some memory to allow it to align to the MMU boundary. * Note that since there are two buffers (YUV/RGB) it calculates the approximate * memory needed in steps of 1 Meg. */ #define LCD_TTB_AREA 0x100000*((LCD_BUFFER_SIZE>>19)+1) #define DRAMSIZE (MEMORYSIZE * 0x100000) - STUBOFFSET #define DRAMORIG 0x00900000 + STUBOFFSET #define IRAMORIG 0x00000000 #define IRAMSIZE 0x4000 /* End of the audio buffer, where the codec buffer starts */ #define ENDAUDIOADDR (DRAMORIG + DRAMSIZE - PLUGIN_BUFFER_SIZE - CODEC_SIZE - LCD_TTB_AREA) MEMORY { DRAM : ORIGIN = DRAMORIG, LENGTH = DRAMSIZE IRAM : ORIGIN = IRAMORIG, LENGTH = IRAMSIZE } SECTIONS { .text : { loadaddress = .; _loadaddress = .; *(.init.text) *(.text*) *(.glue_7) *(.glue_7t) . = ALIGN(0x4); } > DRAM .rodata : { *(.rodata) /* problems without this, dunno why */ *(.rodata*) *(.rodata.str1.1) *(.rodata.str1.4) . = ALIGN(0x4); } > DRAM .data : { *(.data*) . = ALIGN(0x4); } > DRAM /DISCARD/ : { *(.eh_frame) } .vectors IRAMORIG : { _vectorsstart = .; *(.vectors); _vectorsend = .; } > IRAM AT> DRAM _vectorscopy = LOADADDR(.vectors); .iram : { _iramstart = .; *(.icode) *(.irodata*) *(.idata) . = ALIGN(0x4); _iramend = .; } > IRAM AT> DRAM _iramcopy = LOADADDR(.iram); .ibss (NOLOAD) : { _iedata = .; *(.ibss) . = ALIGN(0x4); _iend = .; } > IRAM .stack (NOLOAD) : { *(.stack) stackbegin = .; . += 0x2000; stackend = .; } > IRAM /* This overwrites the iram (in ram), so make sure that the iram is copied * out in crt0.s before the bss section and the rest are used. */ .bss (NOLOAD) : { . = ADDR(.data) + SIZEOF(.data); _edata = .; *(.bss*) *(COMMON) . = ALIGN(0x4); _end = .; } > DRAM .audiobuf (NOLOAD) : { . = ALIGN(4); audiobuffer = .; } > DRAM .audiobufend ENDAUDIOADDR (NOLOAD) : { audiobufend = .; } > DRAM .codec ENDAUDIOADDR (NOLOAD) : { codecbuf = .; . += CODEC_SIZE; } > DRAM .plugin (NOLOAD) : { pluginbuf = .; . += PLUGIN_BUFFER_SIZE; } > DRAM .ttbtable (NOLOAD) : { . = ALIGN (0x4000); _ttbstart = .; . += TTB_SIZE; } > DRAM /* The LCD buffer should be at the end of memory to protect against * overflowing something else when the YUV blitter is fudging the screen * size. */ .lcdbuffer (NOLOAD) : { _lcdbuf = .; . += LCD_BUFFER_SIZE; } > DRAM .lcdbuffer2 (NOLOAD) : { _lcdbuf2 = .; . += LCD_BUFFER_SIZE; } > DRAM }