rockbox/firmware/target/arm/as3525/app.lds
Rafaël Carré 678b6d02ac Sansa AMS: Use IRAM (in app linker script and crt0.S)
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19137 a1c6a512-1295-4272-9138-f99709370657
2008-11-18 17:15:56 +00:00

143 lines
2.4 KiB
Text

#include "config.h"
ENTRY(start)
OUTPUT_FORMAT(elf32-littlearm)
OUTPUT_ARCH(arm)
STARTUP(target/arm/crt0.o)
#define PLUGINSIZE PLUGIN_BUFFER_SIZE
#define CODECSIZE CODEC_SIZE
#ifdef DEBUG
#define STUBOFFSET 0x10000
#else
#define STUBOFFSET 0
#endif
#include "cpu.h"
#define IRAMSIZE 0x50000
#define DRAMSIZE (MEMORYSIZE * 0x100000) - STUBOFFSET - PLUGINSIZE - CODECSIZE
#define IRAMORIG 0x0
#define DRAMORIG 0x30000000 + STUBOFFSET
/* End of the audio buffer, where the codec buffer starts */
#define ENDAUDIOADDR (DRAMORIG + DRAMSIZE)
/* Where the codec buffer ends, and the plugin buffer starts */
#define ENDADDR (ENDAUDIOADDR + CODECSIZE)
MEMORY
{
IRAM : ORIGIN = IRAMORIG, LENGTH = IRAMSIZE
DRAM : ORIGIN = DRAMORIG, LENGTH = DRAMSIZE
}
SECTIONS
{
loadaddress = 0x30000000;
.text :
{
_textstart = .;
*(.text)
*(.text*)
*(.glue_7)
*(.glue_7t)
. = ALIGN(0x4);
} > DRAM
.rodata :
{
*(.rodata) /* problems without this, dunno why */
*(.rodata*)
*(.rodata.str1.1)
*(.rodata.str1.4)
. = ALIGN(0x4);
} > DRAM
.data :
{
*(.data*)
. = ALIGN(0x4);
} > DRAM
/DISCARD/ :
{
*(.eh_frame)
}
_initdata_end =.;
.stack (NOLOAD) :
{
*(.stack)
stackbegin = .;
. += 0x2000;
stackend = .;
} > DRAM
.bss (NOLOAD) :
{
_edata = .;
*(.bss*)
*(COMMON)
. = ALIGN(0x4);
_end = .;
} > DRAM
.vectors IRAMORIG:
{
_vectors_start = .;
*(.init.text)
} > IRAM AT > DRAM
_vectorscopy = LOADADDR(.vectors);
.ibss (NOLOAD) :
{
_iedata = .;
*(.qharray)
*(.ibss)
. = ALIGN(0x4);
_iend = .;
} > IRAM
.iram _iend :
{
_iramstart = .;
*(.icode)
*(.irodata)
*(.idata)
. = ALIGN(0x4);
_iramend = .;
} > IRAM AT> DRAM
_iramcopy = LOADADDR(.iram);
.audiobuf (NOLOAD) :
{
. = ALIGN(4);
_audiobuffer = .;
audiobuffer = .;
} > DRAM
.audiobufend ENDAUDIOADDR (NOLOAD) :
{
audiobufend = .;
_audiobufend = .;
} > DRAM
.codec ENDAUDIOADDR (NOLOAD) :
{
codecbuf = .;
_codecbuf = .;
}
.plugin ENDADDR (NOLOAD) :
{
_pluginbuf = .;
pluginbuf = .;
}
}