b31c856b84
This reclaims ~6kB of ram. Change-Id: Iafdc661b1cf4445669c08c79205043792b8d14c3 Reviewed-on: http://gerrit.rockbox.org/718 Reviewed-by: Marcin Bukat <marcin.bukat@gmail.com>
158 lines
3 KiB
Text
158 lines
3 KiB
Text
#include "config.h"
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ENTRY(start)
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OUTPUT_FORMAT(elf32-m68k)
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STARTUP(target/coldfire/crt0.o)
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#define PLUGINSIZE PLUGIN_BUFFER_SIZE
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#define CODECSIZE CODEC_SIZE
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#define DRAMSIZE (MEMORYSIZE * 0x100000) - PLUGINSIZE - CODECSIZE
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#define DRAMORIG 0x31000000
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#define IRAMORIG 0x10000000
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#if CONFIG_CPU == MCF5250
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#define IRAMSIZE 0xc800
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#else
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#define IRAMSIZE 0xc000
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#endif
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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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#define CODECORIG ENDAUDIOADDR
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/* .init is copied to codec buffer */
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#define INITORIG CODECORIG
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#define INITSIZE CODECSIZE
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/* Where the codec buffer ends, and the plugin buffer starts */
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#define ENDADDR (ENDAUDIOADDR + CODECSIZE)
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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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INIT : ORIGIN = INITORIG, LENGTH = INITSIZE
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}
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SECTIONS
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{
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.vectors :
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{
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loadaddress = .;
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_loadaddress = .;
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KEEP(*(.resetvectors));
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*(.resetvectors);
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KEEP(*(.vectors));
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*(.vectors);
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} > DRAM
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.text :
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{
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. = ALIGN(0x200);
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KEEP(*(.startup*));
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*(.text*)
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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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/* Pseudo-allocate the copies of the data sections */
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_datacopy = .;
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} > DRAM
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/* TRICK ALERT! For RAM execution, we put the .data section at the
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same load address as the copy. Thus, we don't waste extra RAM
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when we don't actually need the copy. */
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.data : AT ( _datacopy )
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{
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_datastart = .;
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*(.data*)
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. = ALIGN(0x4);
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_dataend = .;
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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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.iram IRAMORIG :
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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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_iramend = .;
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} > IRAM AT> DRAM
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_iramcopy = LOADADDR(.iram);
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_noloaddram = LOADADDR(.iram);
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.init :
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{
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_initstart = .;
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*(.init*)
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*(.initdata*)
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_initend = .;
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} > INIT AT > DRAM
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_initcopy = LOADADDR(.init);
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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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.bss _noloaddram (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 ENDAUDIOADDR (NOLOAD) :
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{
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codecbuf = .;
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_codecbuf = .;
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}
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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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