146 lines
2.8 KiB
Text
146 lines
2.8 KiB
Text
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#include "config.h"
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ENTRY(start)
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OUTPUT_FORMAT(elf32-sh)
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INPUT(target/sh/crt0.o)
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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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#define DRAMSIZE (MEMORYSIZE * 0x100000) - PLUGINSIZE - STUBOFFSET - CODECSIZE
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#define DRAMORIG 0x09000000 + STUBOFFSET
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#define IRAMORIG 0x0f000000
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#define IRAMSIZE 0x1000
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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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#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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}
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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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*(.init.text)
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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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.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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/* TRICK ALERT! We want 0x2000 bytes of stack, but we set the section
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size smaller, and allow the stack to grow into the .iram copy */
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.stack ADDR(.data) + SIZEOF(.data) + SIZEOF(.iram):
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{
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*(.stack)
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_stackbegin = . - SIZEOF(.iram);
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. += 0x2000 - SIZEOF(.iram);
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_stackend = .;
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} > DRAM
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.bss :
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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 ALIGN(4) :
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{
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_audiobuffer = .;
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audiobuffer = .;
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} > DRAM
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.audiobufend ENDAUDIOADDR:
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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:
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{
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codecbuf = .;
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_codecbuf = .;
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}
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.plugin ENDADDR:
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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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