rockbox/firmware/rom.lds

207 lines
4.2 KiB
Plaintext

#include "config.h"
ENTRY(start)
#ifdef CPU_COLDFIRE
OUTPUT_FORMAT(elf32-m68k)
STARTUP(target/coldfire/crt0.o)
#elif defined(CPU_PP)
OUTPUT_FORMAT(elf32-littlearm)
STARTUP(target/arm/pp/crt0-pp.o)
#elif defined(CPU_ARM)
OUTPUT_FORMAT(elf32-littlearm)
STARTUP(target/arm/crt0.o)
#else
#error "Unknown CPU"
#endif
#if MEMORYSIZE >= 32
#define PLUGINSIZE PLUGIN_BUFFER_SIZE
#else
#define PLUGINSIZE 0x8000
#endif
#ifdef IRIVER_H100_SERIES
#define CODECSIZE CODEC_SIZE
#define DRAMORIG 0x31000000
#define IRAMORIG 0x10000000
#define IRAMSIZE 0xc000
#define FLASHORIG 0x00100028
#define FLASHSIZE 0x000eff80
#elif defined(IRIVER_H300_SERIES)
#define CODECSIZE CODEC_SIZE
#define DRAMORIG 0x31000000
#define IRAMORIG 0x10000000
#define IRAMSIZE 0xc000
#define FLASHORIG 0x00200028
#define FLASHSIZE 0x001eff80
#else
#define DRAMORIG 0x09000000
#define IRAMORIG 0x0f000000
#define IRAMSIZE 0x1000
#define FLASHORIG 0x02000000 + ROM_START
#define FLASHSIZE 256K - ROM_START
#endif
#ifdef CODECSIZE
#define DRAMSIZE (MEMORYSIZE * 0x100000) - PLUGINSIZE - CODECSIZE
/* Where the codec buffer ends, and the plugin buffer starts */
#define ENDADDR (ENDAUDIOADDR + CODECSIZE)
#else
#define DRAMSIZE (MEMORYSIZE * 0x100000) - PLUGINSIZE
/* Where the audio buffer ends, and the plugin buffer starts */
#define ENDADDR ENDAUDIOADDR
#endif
/* End of the audio buffer, where the codec/plugin buffer starts */
#define ENDAUDIOADDR (DRAMORIG + DRAMSIZE)
#define CODECORIG ENDAUDIOADDR
MEMORY
{
DRAM : ORIGIN = DRAMORIG, LENGTH = DRAMSIZE
IRAM : ORIGIN = IRAMORIG, LENGTH = IRAMSIZE
FLASH : ORIGIN = FLASHORIG, LENGTH = FLASHSIZE
}
SECTIONS
{
.flashheader :
{
/* place flash link address first, so the plugin can check */
LONG(FLASHORIG);
/* followed by the start address, the first vector takes care of this. */
/* If we ever place the table elsewhere, put a constant here. */
} > FLASH
.vectors :
{
_datacopy = .;
} > FLASH
.data : AT ( _datacopy )
{
loadaddress = .;
_loadaddress = .;
_datastart = .;
KEEP(*(.resetvectors));
KEEP(*(.vectors));
. = ALIGN(0x200);
#ifdef HAVE_INIT_ATTR
*(.initdata*)
#endif
*(.data*)
. = ALIGN(0x4);
_dataend = .;
. = ALIGN(0x10); /* Maintain proper alignment for .text section */
} > DRAM
/DISCARD/ :
{
*(.eh_frame)
}
/* TRICK ALERT! Newer versions of the linker don't allow output sections
to overlap even if one of them is empty, so advance the location pointer
"by hand" */
.text LOADADDR(.data) + SIZEOF(.data) :
{
*(.init.text)
KEEP(*(.startup*));
#ifdef HAVE_INIT_ATTR
/* all this symbols are set to the same address so .init copy loop
will be skiped in crt0.S */
_initstart = .;
_initend = .;
_initcopy = .;
*(.init*)
#endif
*(.text*)
. = ALIGN(0x4);
} > FLASH
.rodata :
{
*(.rodata*)
*(.rodata.str1.1)
*(.rodata.str1.4)
. = ALIGN(0x4);
_iramcopy = .;
} > FLASH
.iram IRAMORIG : AT ( _iramcopy )
{
_iramstart = .;
*(.icode)
*(.irodata)
*(.idata)
_iramend = .;
} > IRAM
.ibss (NOLOAD) :
{
_iedata = .;
*(.ibss)
. = ALIGN(0x4);
_iend = .;
} > IRAM
.stack :
{
*(.stack)
_stackbegin = .;
stackbegin = .;
. += 0x2000;
_stackend = .;
stackend = .;
#if IRAMSIZE > 0x1000
} > IRAM
#else
} > DRAM
#endif
#ifdef CPU_COLDFIRE
.bss ADDR(.data) + SIZEOF(.data) + SIZEOF(.iram):
#else
.bss :
#endif
{
_edata = .;
*(.bss*)
*(COMMON)
. = ALIGN(0x4);
_end = .;
} > DRAM
.audiobuf ALIGN(4):
{
_audiobuffer = .;
audiobuffer = .;
} > DRAM
#ifdef CODECSIZE
.audiobufend ENDAUDIOADDR:
#else
.audiobufend ENDADDR:
#endif
{
_audiobufend = .;
audiobufend = .;
} > DRAM
#ifdef CODECSIZE
.codec ENDAUDIOADDR:
{
codecbuf = .;
_codecbuf = .;
}
#endif
.plugin ENDADDR:
{
_pluginbuf = .;
pluginbuf = .;
}
}