a7e112c8d9
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@20665 a1c6a512-1295-4272-9138-f99709370657
178 lines
3.4 KiB
Text
178 lines
3.4 KiB
Text
#include "config.h"
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ENTRY(start)
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OUTPUT_FORMAT(elf32-littlearm)
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OUTPUT_ARCH(arm)
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STARTUP(target/arm/tms320dm320/crt0.o)
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#ifdef DEBUG
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#define STUBOFFSET 0x10000
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#else
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#define STUBOFFSET 0
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#endif
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#ifndef LCD_NATIVE_WIDTH
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#define LCD_NATIVE_WIDTH LCD_WIDTH
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#endif
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#ifndef LCD_NATIVE_HEIGHT
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#define LCD_NATIVE_HEIGHT LCD_HEIGHT
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#endif
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#define LCD_FUDGE LCD_NATIVE_WIDTH%32
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#define LCD_BUFFER_SIZE ((LCD_NATIVE_WIDTH+LCD_FUDGE)*LCD_NATIVE_HEIGHT*2)
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/* must be 16Kb (0x4000) aligned */
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#define TTB_SIZE 0x4000
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/* Give this 1 meg to allow it to align to the MMU boundary */
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#define LCD_TTB_AREA 0x100000
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#define DRAMSIZE (MEMORYSIZE * 0x100000) - STUBOFFSET
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#define DRAMORIG 0x00900000 + STUBOFFSET
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#define IRAMORIG 0x00000000
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#define IRAMSIZE 0x4000
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/* End of the audio buffer, where the codec buffer starts */
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#define ENDAUDIOADDR (DRAMORIG + DRAMSIZE - PLUGIN_BUFFER_SIZE - CODEC_SIZE - LCD_TTB_AREA)
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MEMORY
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{
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DRAM : ORIGIN = DRAMORIG, LENGTH = DRAMSIZE
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IRAM : ORIGIN = IRAMORIG, LENGTH = IRAMSIZE
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}
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SECTIONS
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{
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.text :
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{
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loadaddress = .;
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_loadaddress = .;
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*(.init.text)
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*(.text*)
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*(.glue_7)
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*(.glue_7t)
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. = ALIGN(0x4);
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} > DRAM
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.rodata :
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{
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*(.rodata) /* problems without this, dunno why */
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*(.rodata*)
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*(.rodata.str1.1)
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*(.rodata.str1.4)
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. = ALIGN(0x4);
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} > DRAM
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.data :
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{
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*(.data*)
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. = ALIGN(0x4);
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} > DRAM
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/DISCARD/ :
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{
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*(.eh_frame)
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}
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.vectors IRAMORIG :
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{
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_vectorsstart = .;
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*(.vectors);
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_vectorsend = .;
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} > IRAM AT> DRAM
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_vectorscopy = LOADADDR(.vectors);
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.iram :
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{
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_iramstart = .;
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*(.icode)
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*(.irodata*)
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*(.idata)
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. = ALIGN(0x4);
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_iramend = .;
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} > IRAM AT> DRAM
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_iramcopy = LOADADDR(.iram);
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.ibss (NOLOAD) :
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{
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_iedata = .;
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*(.ibss)
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. = ALIGN(0x4);
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_iend = .;
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} > IRAM
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.stack (NOLOAD) :
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{
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*(.stack)
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stackbegin = .;
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. += 0x2000;
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stackend = .;
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} > IRAM
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/* This could probably be shortened so that the audio buffer overwrites
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* at the IRAM stuff (assuming that it is copied first in crt0.S), but
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* leave it for now since the space is not critical at the moment.
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*/
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.bss (NOLOAD) :
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{
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. = ADDR(.data) + SIZEOF(.data) + SIZEOF(.vectors) + SIZEOF(.iram);
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_edata = .;
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*(.bss*)
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*(COMMON)
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. = ALIGN(0x4);
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_end = .;
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} > DRAM
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.audiobuf (NOLOAD) :
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{
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. = ALIGN(4);
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_audiobuffer = .;
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audiobuffer = .;
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} > DRAM
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.audiobufend ENDAUDIOADDR (NOLOAD) :
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{
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audiobufend = .;
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_audiobufend = .;
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} > DRAM
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.codec ENDAUDIOADDR (NOLOAD) :
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{
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codecbuf = .;
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_codecbuf = .;
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. += CODEC_SIZE;
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} > DRAM
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.plugin (NOLOAD) :
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{
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_pluginbuf = .;
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pluginbuf = .;
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. += PLUGIN_BUFFER_SIZE;
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} > DRAM
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.ttbtable (NOLOAD) :
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{
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. = ALIGN (0x4000);
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_ttbstart = .;
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. += TTB_SIZE;
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} > DRAM
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/* The LCD buffer should be at the end of memory to protect against
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* overflowing something else when the YUV blitter is fudging the screen
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* size.
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*/
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.lcdbuffer (NOLOAD) :
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{
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_lcdbuf = .;
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. += LCD_BUFFER_SIZE;
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} > DRAM
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}
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