e3a970f4eb
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19346 a1c6a512-1295-4272-9138-f99709370657
168 lines
2.9 KiB
Text
168 lines
2.9 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/crt0.o)
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#if MEMORYSIZE <= 2
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/* we put the codec buffer in IRAM */
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#define LOWMEM
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#endif
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#define PLUGINSIZE PLUGIN_BUFFER_SIZE
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#define CODECSIZE CODEC_SIZE
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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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#include "cpu.h"
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#define IRAMSIZE 0x50000
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#ifdef LOWMEM
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#define DRAMSIZE (MEMORYSIZE * 0x100000) - STUBOFFSET - PLUGINSIZE
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#define CODECORIG (IRAMORIG + IRAMSIZE - CODEC_SIZE)
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#else
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#define DRAMSIZE (MEMORYSIZE * 0x100000) - STUBOFFSET - PLUGINSIZE - CODECSIZE
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#define CODECORIG (ENDAUDIOADDR)
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#endif
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#define IRAMORIG 0x0
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#define DRAMORIG 0x30000000 + STUBOFFSET
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/* End of the audio buffer, where the codec buffer starts */
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#define ENDAUDIOADDR (DRAMORIG + DRAMSIZE)
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/* Where the codec buffer ends, and the plugin buffer starts */
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#ifdef LOWMEM
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#define ENDADDR (ENDAUDIOADDR)
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#else
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#define ENDADDR (ENDAUDIOADDR + CODECSIZE)
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#endif
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MEMORY
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{
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#ifdef LOWMEM
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IRAM : ORIGIN = IRAMORIG, LENGTH = (IRAMSIZE - CODEC_SIZE)
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CODEC_IRAM : ORIGIN = CODECORIG, LENGTH = CODEC_SIZE
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#else
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IRAM : ORIGIN = IRAMORIG, LENGTH = IRAMSIZE
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#endif
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DRAM : ORIGIN = DRAMORIG, LENGTH = DRAMSIZE
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}
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SECTIONS
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{
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loadaddress = 0x30000000;
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.text :
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{
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_loadaddress = .;
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_textstart = .;
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*(.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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_vectors_start = .;
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*(.init.text)
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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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.ibss (NOLOAD) :
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{
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_iedata = .;
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*(.qharray)
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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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_iramcopy = LOADADDR(.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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} > DRAM
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.bss (NOLOAD) :
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{
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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 CODECORIG (NOLOAD) :
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{
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codecbuf = .;
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_codecbuf = .;
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#ifdef LOWMEM
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} > CODEC_IRAM
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#else
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} > DRAM
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#endif
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.plugin ENDADDR (NOLOAD) :
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{
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_pluginbuf = .;
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pluginbuf = .;
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}
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}
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