rockbox/firmware/boot.lds
Dave Chapman 77372d1218 Initial commit of work-in-progress iPod port
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7781 a1c6a512-1295-4272-9138-f99709370657
2005-11-07 23:07:19 +00:00

169 lines
2.9 KiB
Text

#include "config.h"
ENTRY(start)
#ifdef CPU_COLDFIRE
OUTPUT_FORMAT(elf32-m68k)
INPUT(crt0.o)
#elif CONFIG_CPU == PP5020
OUTPUT_FORMAT(elf32-littlearm)
OUTPUT_ARCH(arm)
#else
OUTPUT_FORMAT(elf32-sh)
INPUT(crt0.o)
#endif
#if MEMORYSIZE >= 32
#define PLUGINSIZE 0xC0000
#else
#define PLUGINSIZE 0x8000
#endif
#define DRAMSIZE (MEMORYSIZE * 0x100000) - PLUGINSIZE
#ifdef IRIVER_H100_SERIES
#define DRAMORIG 0x31000000
#define IRAMORIG 0x10000000
#define IRAMSIZE 0x18000
#define FLASHORIG 0x001f0000
#define FLASHSIZE 2M
#elif CONFIG_CPU == PP5020
#define DRAMORIG 0x10000000
#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
#define ENDADDR (IRAMORIG + IRAMSIZE)
#if CONFIG_CPU!=PP5020
MEMORY
{
DRAM : ORIGIN = DRAMORIG, LENGTH = DRAMSIZE
IRAM : ORIGIN = IRAMORIG, LENGTH = IRAMSIZE
FLASH : ORIGIN = FLASHORIG, LENGTH = FLASHSIZE
}
#endif
SECTIONS
#if 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 near the
end of the regular RAM. */
. = 0x11c00000;
.bss : {
_bssstart = .;
*(.bss);
*(.ibss);
_bssend = . ;
}
}
#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
.bss :
{
_edata = .;
*(.ibss)
*(.bss)
*(COMMON)
_end = .;
} > IRAM
.mp3buf :
{
. = ALIGN(0x4);
_mp3buffer = .;
} > IRAM
.mp3end ENDADDR:
{
_mp3end = .;
} > IRAM
.plugin ENDADDR:
{
_pluginbuf = .;
}
}
#endif