rockbox/firmware/app.lds
Jens Arnold a317d74d8e Iriver: Changed the IRAM splitting between core and plugins to 48KB/48KB, and reduced the main thread stack to 8KB, same size as on archos.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7447 a1c6a512-1295-4272-9138-f99709370657
2005-09-01 20:57:33 +00:00

253 lines
4.8 KiB
Text

#include "config.h"
ENTRY(start)
#ifdef CPU_COLDFIRE
OUTPUT_FORMAT(elf32-m68k)
#elif CONFIG_CPU == TCC730
OUTPUT_FORMAT(elf32-calmrisc16)
#else
OUTPUT_FORMAT(elf32-sh)
#endif
INPUT(crt0.o)
#if CONFIG_CPU == TCC730
MEMORY
{
FIRMWARE : ORIGIN = LOADADDRESS, LENGTH = 256K
FLASH (RX) : ORIGIN = 0x000000, LENGTH = 1024K
ICMEM (RX) : ORIGIN = 0x3FC000, LENGTH = 32K
IMEM1 : ORIGIN = 0x200000, LENGTH = 32K
IMEM2 : ORIGIN = 0x210000, LENGTH = 16K
IMEM3 : ORIGIN = 0x220000, LENGTH = 32K
IMEM4 : ORIGIN = 0x230000, LENGTH = 16K
DRAM : ORIGIN = 0x000000, LENGTH = 0x3F0000
}
SECTIONS
{
.text LOADADDRESS : {
*(.init.text)
*(.text)
}> FLASH AT> FIRMWARE
.icode 0x3FC040: {
*(.vectors)
*(.icode)
}> ICMEM AT> FIRMWARE
/* We start at 0x2000, to avoid overwriting Archos' loader datasegment.
* If it turns out that we won't call back the loader, this can be set to 0.
*/
.bss 0x2000 : {
*(.bss)
. = ALIGN(2);
}> DRAM
/* Data is put after BSS, to have all strings addresses > VIRT_PTR + VIRT_SIZE.
Strings are in rodata, so what we really assert is (.rodata > VIRT_PTR + VIRT_SIZE)
See settings.h for details */
.data ALIGN(2): {
*(.data)
. = ALIGN(2);
*(.rodata)
. = ALIGN(2);
*(.rodata.str1.2)
. = ALIGN(2);
}> DRAM AT> FIRMWARE
.stack ALIGN(2) : {
. = . + 0x2000;
}> DRAM
.idata 0x200000: {
*(.idata)
}> IMEM1
.idata2 0x220000: {
*(.idata2)
}> IMEM3
_codesize = SIZEOF(.text);
_icodecopy = LOADADDR(.icode);
_icodestart = ADDR(.icode);
_icodesize = SIZEOF(.icode);
_datacopy = LOADADDR(.data);
_datastart = ADDR(.data);
_datasize = SIZEOF(.data);
_bssstart = ADDR(.bss);
_bsssize = (SIZEOF(.bss) + 1) & ~ 1;
_stackbegin = ADDR(.stack);
_stackend = ADDR(.stack) + SIZEOF(.stack);
_idatastart = ADDR(.idata);
/* FIXME: Where to put audio buffer? */
_audiobuffer = 0;
_audiobufend = 0;
/* Plugins are not supported on the Gmini*/
_pluginbuf = 0;
}
#else
#define PLUGINSIZE PLUGIN_BUFFER_SIZE
#define CODECSIZE CODEC_SIZE
#ifdef DEBUG
#define STUBOFFSET 0x10000
#else
#define STUBOFFSET 0
#endif
#define DRAMSIZE (MEMORYSIZE * 0x100000) - PLUGINSIZE - STUBOFFSET - CODECSIZE
#if defined(IRIVER_H100_SERIES) || defined(IRIVER_H300)
#define DRAMORIG 0x31000000 + STUBOFFSET
#define IRAMORIG 0x10000000
#define IRAMSIZE 0xc000
#else
#define DRAMORIG 0x09000000 + STUBOFFSET
#define IRAMORIG 0x0f000000
#define IRAMSIZE 0x1000
#endif
/* End of the audio buffer, where the codec buffer starts */
#define ENDAUDIOADDR (DRAMORIG + DRAMSIZE)
/* Where the codec buffer ends, and the plugin buffer starts */
#define ENDADDR (ENDAUDIOADDR + CODECSIZE)
MEMORY
{
DRAM : ORIGIN = DRAMORIG, LENGTH = DRAMSIZE
IRAM : ORIGIN = IRAMORIG, LENGTH = IRAMSIZE
}
SECTIONS
{
.vectors :
{
loadaddress = .;
_loadaddress = .;
KEEP(*(.resetvectors));
*(.resetvectors);
KEEP(*(.vectors));
*(.vectors);
} > DRAM
.text :
{
. = ALIGN(0x200);
*(.init.text)
*(.text*)
. = ALIGN(0x4);
} > DRAM
.rodata :
{
*(.rodata) /* problems without this, dunno why */
*(.rodata*)
*(.rodata.str1.1)
*(.rodata.str1.4)
. = ALIGN(0x4);
/* Pseudo-allocate the copies of the data sections */
_datacopy = .;
} > DRAM
/* TRICK ALERT! For RAM execution, we put the .data section at the
same load address as the copy. Thus, we don't waste extra RAM
when we don't actually need the copy. */
.data : AT ( _datacopy )
{
_datastart = .;
*(.data*)
. = ALIGN(0x4);
_dataend = .;
_iramcopy = .;
} > DRAM
/DISCARD/ :
{
*(.eh_frame)
}
.iram IRAMORIG : AT ( _iramcopy)
{
_iramstart = .;
*(.icode)
*(.idata)
_iramend = .;
} > IRAM
#ifdef CPU_COLDFIRE
.stack :
{
*(.stack)
stackbegin = .;
. += 0x2000;
stackend = .;
} > IRAM
#else
/* TRICK ALERT! We want 0x2000 bytes of stack, but we set the section
size smaller, and allow the stack to grow into the .iram copy */
.stack ADDR(.data) + SIZEOF(.data) + SIZEOF(.iram):
{
*(.stack)
_stackbegin = . - SIZEOF(.iram);
. += 0x2000 - SIZEOF(.iram);
_stackend = .;
} > 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
.audiobufend ENDAUDIOADDR:
{
audiobufend = .;
_audiobufend = .;
} > DRAM
.codec ENDAUDIOADDR:
{
codecbuf = .;
_codecbuf = .;
}
.plugin ENDADDR:
{
_pluginbuf = .;
pluginbuf = .;
}
}
#endif