rockbox/firmware/boot.lds
Dave Chapman 987879b958 Further iPod 3G work from Seven Le Mesle
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@8583 a1c6a512-1295-4272-9138-f99709370657
2006-02-05 17:34:49 +00:00

172 lines
3.3 KiB
Text

#include "config.h"
ENTRY(start)
#ifdef CPU_COLDFIRE
OUTPUT_FORMAT(elf32-m68k)
INPUT(crt0.o)
#elif defined (CPU_ARM)
OUTPUT_FORMAT(elf32-littlearm)
OUTPUT_ARCH(arm)
#else
OUTPUT_FORMAT(elf32-sh)
INPUT(crt0.o)
#endif
#define DRAMSIZE (MEMORYSIZE * 0x100000)
#ifdef IRIVER_H100_SERIES
#define DRAMORIG 0x31000000
#define IRAMORIG 0x10000000
#define IRAMSIZE 0x18000
#define FLASHORIG 0x001f0000
#define FLASHSIZE 2M
#elif defined(IRIVER_H300_SERIES)
#define DRAMORIG 0x31000000
#define IRAMORIG 0x10000000
#define IRAMSIZE 0x18000
#define FLASHORIG 0x003f0000
#define FLASHSIZE 4M
#elif defined(IAUDIO_X5)
#define DRAMORIG 0x31000000
#define IRAMORIG 0x10000000
#define IRAMSIZE 0x20000
#define FLASHORIG 0x00100000
#define FLASHSIZE 4M
#elif CONFIG_CPU == PP5020
#define DRAMORIG 0x10000000
#define IRAMORIG 0x40000000
#define IRAMSIZE 0x18000
#define FLASHORIG 0x001f0000
#define FLASHSIZE 2M
#elif CONFIG_CPU == PP5002
#define DRAMORIG 0x28000000
#define IRAMORIG 0x40000000
#define IRAMSIZE 0x18000
#define FLASHORIG 0x001f0000
#define FLASHSIZE 2M
#else
#define DRAMORIG 0x09000000
#define IRAMORIG 0x0f000000
#define IRAMSIZE 0x1000
#define FLASHORIG 0x02000000 + ROM_START
#define FLASHSIZE 256K - ROM_START
#endif
#if (CONFIG_CPU!=PP5002) && (CONFIG_CPU!=PP5002)
MEMORY
{
DRAM : ORIGIN = DRAMORIG, LENGTH = DRAMSIZE
IRAM : ORIGIN = IRAMORIG, LENGTH = IRAMSIZE
FLASH : ORIGIN = FLASHORIG, LENGTH = FLASHSIZE
}
#endif
SECTIONS
#if (CONFIG_CPU==PP5002) || (CONFIG_CPU==PP5020)
{
. = IRAMORIG;
.text : {
*(.init.text)
*(.text)
}
.data : {
*(.icode)
*(.irodata)
*(.idata)
*(.data)
_dataend = . ;
}
.stack :
{
*(.stack)
_stackbegin = .;
stackbegin = .;
. += 0x2000;
_stackend = .;
stackend = .;
}
/* The bss section is too large for IRAM - we just move it 16MB into the
DRAM */
. = (DRAMORIG+16*1024*1024);
.bss : {
_edata = .;
*(.bss);
*(.ibss);
_end = .;
}
}
#else
{
.vectors :
{
_datacopy = .;
} > FLASH
.data : AT ( _datacopy )
{
_datastart = .;
*(.resetvectors);
*(.vectors);
. = ALIGN(0x200);
*(.icode)
*(.irodata)
*(.idata)
*(.data)
. = ALIGN(0x4);
_dataend = .;
. = ALIGN(0x10); /* Maintain proper alignment for .text section */
} > IRAM
/* 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)
*(.text)
. = ALIGN(0x4);
} > FLASH
.rodata :
{
*(.rodata)
*(.rodata.str1.1)
*(.rodata.str1.4)
. = ALIGN(0x4);
_iramcopy = .;
} > FLASH
.stack :
{
*(.stack)
_stackbegin = .;
stackbegin = .;
. += 0x2000;
_stackend = .;
stackend = .;
} > IRAM
#if defined(IRIVER_H100_SERIES) || defined(IRIVER_H300_SERIES) || defined(IAUDIO_X5)
.bss DRAMORIG+0x800000:
#else
.bss :
#endif
{
_edata = .;
*(.ibss)
*(.bss)
*(COMMON)
_end = .;
#if defined(IRIVER_H100_SERIES) || defined(IRIVER_H300_SERIES) || defined(IAUDIO_X5)
} > DRAM
#else
} > IRAM
#endif
}
#endif