rockbox/firmware/rom.lds
Jörg Hohensohn 13be9f14d7 allow the flash plugin to verify the RomBox link address
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7388 a1c6a512-1295-4272-9138-f99709370657
2005-08-23 07:26:40 +00:00

130 lines
2.5 KiB
Text

#include "config.h"
ENTRY(start)
#ifdef CPU_COLDFIRE
OUTPUT_FORMAT(elf32-m68k)
#else
OUTPUT_FORMAT(elf32-sh)
#endif
INPUT(crt0.o)
#if MEMORYSIZE >= 32
#define PLUGINSIZE 0xC0000
#else
#define PLUGINSIZE 0x8000
#endif
#define DRAMSIZE (MEMORYSIZE * 0x100000) - PLUGINSIZE
#ifdef IRIVER_H100
#define DRAMORIG 0x31000000
#define IRAMORIG 0x10000000
#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 (DRAMORIG + DRAMSIZE)
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 = .;
*(.resetvectors);
*(.vectors);
. = ALIGN(0x200);
*(.data)
. = ALIGN(0x4);
_dataend = .;
. = ALIGN(0x10); /* Maintain proper alignment for .text section */
} > DRAM
/* 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
.iram IRAMORIG : AT ( _iramcopy )
{
_iramstart = .;
*(.icode)
*(.idata)
_iramend = .;
} > IRAM
.stack :
{
*(.stack)
_stackbegin = .;
stackbegin = .;
. += 0x2000;
_stackend = .;
stackend = .;
} > DRAM
.bss :
{
_edata = .;
*(.bss)
*(COMMON)
_end = .;
} > DRAM
.audiobuf :
{
. = ALIGN(0x4);
_audiobuffer = .;
} > DRAM
.audiobufend ENDADDR:
{
_audiobufend = .;
} > DRAM
.plugin ENDADDR:
{
_pluginbuf = .;
}
}