138 lines
3 KiB
Text
138 lines
3 KiB
Text
#include "config.h"
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#include "cpu.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/imx233/crt0.o)
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#define PLUGINSIZE PLUGIN_BUFFER_SIZE
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#define CODECSIZE CODEC_SIZE
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#define IRAMSIZE IRAM_SIZE
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#define DRAMSIZE (DRAM_SIZE - PLUGINSIZE - CODECSIZE - FRAME_SIZE - TTB_SIZE)
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/* End of the audio buffer, where the codec buffer starts */
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#define ENDAUDIOADDR (CACHED_DRAM_ADDR + DRAMSIZE)
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/* Where the codec buffer ends, and the plugin buffer starts */
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#define ENDADDR (ENDAUDIOADDR + CODEC_SIZE)
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/* INIT section is the codec buffer */
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#define INITSIZE CODEC_SIZE
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#define INITSTART ENDAUDIOADDR
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MEMORY
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{
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IRAM : ORIGIN = IRAM_ORIG, LENGTH = IRAMSIZE
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DRAM : ORIGIN = CACHED_DRAM_ADDR, LENGTH = DRAM_SIZE - TTB_SIZE - FRAME_SIZE
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UDRAM : ORIGIN = UNCACHED_DRAM_ADDR, LENGTH = DRAM_SIZE - TTB_SIZE - FRAME_SIZE
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}
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SECTIONS
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{
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loadaddress = UNCACHED_DRAM_ADDR;
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_loadaddress = UNCACHED_DRAM_ADDR;
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.dramcopystart (NOLOAD) :
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{
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_dramcopystart = .;
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} > DRAM
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.text :
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{
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*(.text*)
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*(.data*)
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*(.rodata*)
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} > DRAM
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_dramtextend = .;
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.itext :
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{
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_iramstart = .; // always 0
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KEEP(*(.vectors));// otherwise there are no references to it and the linker strip it
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*(.icode*)
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*(.irodata*)
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*(.idata*)
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_iramend = .;
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} > IRAM AT> DRAM
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_iramcopy = LOADADDR(.itext);
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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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_iend = .;
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} > IRAM
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.init ENDAUDIOADDR :
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{
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_initstart = .;
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*(.init*)
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_initend = .;
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} AT> DRAM
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_initcopy = LOADADDR(.init);
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/* crt0 needs a temporary stack which does not overlap with init and itext
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* and is in physical memory: put it *after* init and itext. A small one suffices */
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crt0_tmpstack_phys = _dramcopyend + 0x200 - CACHED_DRAM_ADDR + UNCACHED_DRAM_ADDR;
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.dramcopyend (NOLOAD) :
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{
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_dramcopyend = .;
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} > DRAM
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/* the stack overlaps the init and itext region, to reclaim space */
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.stack _dramtextend (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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/* treat .bss and .ncbss as a single section */
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.bss (NOLOAD) :
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{
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_edata = .;
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*(.bss*);
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} > DRAM
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/* align on cache size boundary to avoid mixing cached and noncached stuff */
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.ncbss . - CACHED_DRAM_ADDR + UNCACHED_DRAM_ADDR (NOLOAD) :
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{
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. = ALIGN(CACHEALIGN_SIZE);
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*(.ncbss*)
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. = ALIGN(CACHEALIGN_SIZE);
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} AT> DRAM
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.bssendadr . - UNCACHED_DRAM_ADDR + CACHED_DRAM_ADDR (NOLOAD) :
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{
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_end = .;
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} > DRAM
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.audiobuf (NOLOAD) :
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{
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_audiobuffer = .;
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audiobuffer = .;
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} > DRAM
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.codec ENDAUDIOADDR (NOLOAD) :
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{
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audiobufend = .;
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_audiobufend = .;
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codecbuf = .;
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_codecbuf = .;
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} > DRAM
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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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} > DRAM
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}
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