Add an app.lds and some stub functions for the Nano 2G - this isn't enough to make rockbox.bin compile, but it's a step towards it (more commits coming soon).

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@22714 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Dave Chapman 2009-09-17 07:26:08 +00:00
parent f10450e44e
commit 8dae933293
5 changed files with 377 additions and 0 deletions

View file

@ -0,0 +1,150 @@
#include "config.h"
#include "cpu.h"
ENTRY(start)
OUTPUT_FORMAT(elf32-littlearm)
OUTPUT_ARCH(arm)
STARTUP(target/arm/s5l8700/crt0.o)
#define PLUGINSIZE PLUGIN_BUFFER_SIZE
#define CODECSIZE CODEC_SIZE
#ifdef DEBUG
#define STUBOFFSET 0x10000
#else
#define STUBOFFSET 0
#endif
#define IRAMORIG 0x0
#define DRAMORIG 0x08000000
/* End of the audio buffer, where the codec buffer starts */
#define ENDAUDIOADDR (DRAMORIG + DRAMSIZE)
#define DRAM_SIZE (MEMORYSIZE * 0x100000)
#define DRAMSIZE (DRAM_SIZE - STUBOFFSET - PLUGINSIZE - CODECSIZE)
#define CODECORIG (ENDAUDIOADDR)
#define IRAMSIZE (0x20000)
/* 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 = DRAMORIG;
.intvect : {
_intvectstart = . ;
*(.intvect)
_intvectend = _newstart ;
} >IRAM AT> DRAM
_intvectcopy = LOADADDR(.intvect) ;
.text :
{
_loadaddress = .;
_textstart = .;
*(.init.text)
*(.text)
*(.text*)
*(.glue_7)
*(.glue_7t)
. = ALIGN(0x4);
} > DRAM
.rodata :
{
*(.rodata*)
. = ALIGN(0x4);
} > DRAM
.data :
{
*(.data*)
. = ALIGN(0x4);
} > DRAM
/DISCARD/ :
{
*(.eh_frame)
}
.iram :
{
_iramstart = .;
*(.icode)
*(.irodata)
*(.idata)
. = ALIGN(0x4);
_iramend = .;
} > IRAM AT> DRAM
_iramcopy = LOADADDR(.iram) ;
.ibss (NOLOAD) :
{
_iedata = .;
*(.qharray)
*(.ibss)
. = ALIGN(0x4);
_iend = .;
} > IRAM
.stack (NOLOAD) :
{
*(.stack)
stackbegin = .;
_stackbegin = .;
. += 0x2000;
stackend = .;
_stackend = .;
_irqstackbegin = .;
. += 0x400;
_irqstackend = .;
_fiqstackbegin = .;
. += 0x400;
_fiqstackend = .;
} > IRAM
.bss (NOLOAD) :
{
_edata = .;
*(.bss*)
*(COMMON)
. = ALIGN(0x4);
_end = .;
} > DRAM
.audiobuf (NOLOAD) :
{
. = ALIGN(4);
_audiobuffer = .;
audiobuffer = .;
} > DRAM
.audiobufend ENDAUDIOADDR (NOLOAD) :
{
audiobufend = .;
_audiobufend = .;
} > DRAM
.codec CODECORIG (NOLOAD) :
{
codecbuf = .;
_codecbuf = .;
} > DRAM
.plugin ENDADDR (NOLOAD) :
{
_pluginbuf = .;
pluginbuf = .;
}
}