2009-05-25 21:10:45 +00:00
|
|
|
#include "config.h"
|
|
|
|
|
|
|
|
ENTRY(start)
|
|
|
|
|
|
|
|
OUTPUT_FORMAT(elf32-littlearm)
|
|
|
|
OUTPUT_ARCH(arm)
|
|
|
|
STARTUP(target/arm/crt0-pp.o)
|
|
|
|
|
|
|
|
#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
|
|
|
|
|
|
|
|
#define DRAMORIG 0x00000000 + STUBOFFSET
|
|
|
|
#define IRAMORIG 0x40000000
|
|
|
|
#define IRAMSIZE 0xc000
|
|
|
|
|
|
|
|
#ifdef CPU_PP502x
|
|
|
|
#define NOCACHE_BASE 0x10000000
|
|
|
|
#else
|
|
|
|
#define NOCACHE_BASE 0x28000000
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#define CACHEALIGN_SIZE 16
|
|
|
|
|
|
|
|
/* 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
|
|
|
|
{
|
2010-03-03 23:48:51 +00:00
|
|
|
DRAM : ORIGIN = DRAMORIG, LENGTH = DRAMSIZE
|
|
|
|
IRAM : ORIGIN = IRAMORIG, LENGTH = IRAMSIZE
|
2009-05-25 21:10:45 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
SECTIONS
|
|
|
|
{
|
|
|
|
.text :
|
|
|
|
{
|
|
|
|
loadaddress = .;
|
|
|
|
_loadaddress = .;
|
|
|
|
. = ALIGN(0x200);
|
|
|
|
*(.init.text)
|
|
|
|
*(.text*)
|
|
|
|
*(.glue_7)
|
|
|
|
*(.glue_7t)
|
|
|
|
. = 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 = .;
|
|
|
|
} > DRAM
|
|
|
|
|
|
|
|
#if NOCACHE_BASE != 0
|
|
|
|
/* .ncdata section is placed at uncached physical alias address and is
|
|
|
|
* loaded at the proper cached virtual address - no copying is
|
|
|
|
* performed in the init code */
|
|
|
|
.ncdata . + NOCACHE_BASE :
|
|
|
|
{
|
|
|
|
. = ALIGN(CACHEALIGN_SIZE);
|
|
|
|
*(.ncdata*)
|
|
|
|
. = ALIGN(CACHEALIGN_SIZE);
|
|
|
|
} AT> DRAM
|
|
|
|
#endif
|
|
|
|
|
|
|
|
/DISCARD/ :
|
|
|
|
{
|
|
|
|
*(.eh_frame)
|
|
|
|
}
|
|
|
|
|
|
|
|
.vectors 0x0 :
|
|
|
|
{
|
|
|
|
_vectorsstart = .;
|
|
|
|
*(.vectors);
|
|
|
|
_vectorsend = .;
|
|
|
|
} AT> DRAM
|
|
|
|
|
|
|
|
_vectorscopy = LOADADDR(.vectors);
|
|
|
|
_noloaddram = LOADADDR(.vectors);
|
|
|
|
|
|
|
|
.ibss IRAMORIG (NOLOAD) :
|
|
|
|
{
|
|
|
|
_iedata = .;
|
|
|
|
*(.qharray)
|
|
|
|
*(.ibss)
|
|
|
|
. = ALIGN(0x4);
|
|
|
|
_iend = .;
|
|
|
|
} > IRAM
|
|
|
|
|
|
|
|
.iram _iend :
|
|
|
|
{
|
|
|
|
_iramstart = .;
|
|
|
|
*(.icode)
|
|
|
|
*(.irodata)
|
|
|
|
*(.idata)
|
|
|
|
. = ALIGN(0x4);
|
|
|
|
_iramend = .;
|
|
|
|
} > IRAM AT> DRAM
|
|
|
|
|
|
|
|
_iramcopy = LOADADDR(.iram);
|
|
|
|
|
2010-03-03 23:48:51 +00:00
|
|
|
|
|
|
|
.init ENDAUDIOADDR :
|
|
|
|
{
|
|
|
|
. = ALIGN(4);
|
|
|
|
_initstart = .;
|
|
|
|
*(.init)
|
|
|
|
_initend = .;
|
|
|
|
} AT> DRAM
|
|
|
|
|
|
|
|
_initcopy = LOADADDR(.init);
|
|
|
|
|
2009-05-25 21:10:45 +00:00
|
|
|
.idle_stacks (NOLOAD) :
|
|
|
|
{
|
|
|
|
*(.idle_stacks)
|
|
|
|
#if NUM_CORES > 1
|
|
|
|
cpu_idlestackbegin = .;
|
|
|
|
. += IDLE_STACK_SIZE;
|
|
|
|
cpu_idlestackend = .;
|
|
|
|
#endif
|
|
|
|
cop_idlestackbegin = .;
|
|
|
|
. += IDLE_STACK_SIZE;
|
|
|
|
cop_idlestackend = .;
|
|
|
|
} > IRAM
|
|
|
|
|
|
|
|
.stack (NOLOAD) :
|
|
|
|
{
|
|
|
|
*(.stack)
|
|
|
|
stackbegin = .;
|
|
|
|
. += 0x2000;
|
|
|
|
stackend = .;
|
|
|
|
} > IRAM
|
2010-03-03 23:48:51 +00:00
|
|
|
|
2009-05-25 21:10:45 +00:00
|
|
|
/* .bss and .ncbss are treated as a single section to use one init loop to
|
|
|
|
* zero it - note "_edata" and "_end" */
|
|
|
|
.bss _noloaddram (NOLOAD) :
|
|
|
|
{
|
|
|
|
_edata = .;
|
|
|
|
*(.bss*)
|
|
|
|
*(COMMON)
|
|
|
|
. = ALIGN(0x4);
|
|
|
|
} > DRAM
|
|
|
|
|
|
|
|
#if NOCACHE_BASE != 0
|
|
|
|
.ncbss . + NOCACHE_BASE (NOLOAD):
|
|
|
|
{
|
|
|
|
. = ALIGN(CACHEALIGN_SIZE);
|
|
|
|
*(.ncbss*)
|
|
|
|
. = ALIGN(CACHEALIGN_SIZE);
|
|
|
|
} AT> DRAM
|
|
|
|
#endif
|
|
|
|
|
|
|
|
/* This will be aligned by preceding alignments */
|
|
|
|
.endaddr . - NOCACHE_BASE (NOLOAD) :
|
|
|
|
{
|
|
|
|
_end = .;
|
|
|
|
} > DRAM
|
|
|
|
|
|
|
|
.audiobuf (NOLOAD) :
|
|
|
|
{
|
|
|
|
_audiobuffer = .;
|
2010-03-03 23:48:51 +00:00
|
|
|
. = ALIGN(0x4);
|
2009-05-25 21:10:45 +00:00
|
|
|
audiobuffer = .;
|
|
|
|
} > DRAM
|
|
|
|
|
|
|
|
.audiobufend ENDAUDIOADDR (NOLOAD) :
|
|
|
|
{
|
|
|
|
audiobufend = .;
|
|
|
|
_audiobufend = .;
|
|
|
|
} > DRAM
|
|
|
|
|
|
|
|
.codec ENDAUDIOADDR (NOLOAD) :
|
|
|
|
{
|
|
|
|
codecbuf = .;
|
|
|
|
_codecbuf = .;
|
|
|
|
}
|
|
|
|
|
|
|
|
.plugin ENDADDR (NOLOAD) :
|
|
|
|
{
|
|
|
|
_pluginbuf = .;
|
|
|
|
pluginbuf = .;
|
|
|
|
}
|
|
|
|
}
|