rockbox/firmware/target/mips/ingenic_x1000/app.lds
Aidan MacDonald 3ec66893e3 New port: FiiO M3K on bare metal
Change-Id: I7517e7d5459e129dcfc9465c6fbd708619888fbe
2021-03-28 00:01:37 +00:00

119 lines
2.4 KiB
Text

#include "config.h"
OUTPUT_FORMAT("elf32-littlemips")
OUTPUT_ARCH(MIPS)
ENTRY(_start)
STARTUP(target/mips/ingenic_x1000/crt0.o)
/* Stub area is used for loading new firmware via RoLo */
#define STUBSIZE 0x4000
#define SDRAM_ORIG 0x80000000
/* IRAM contains stub, DRAM contains main app */
#define IRAMORIG SDRAM_ORIG
#define IRAMSIZE STUBSIZE
#define DRAMORIG (SDRAM_ORIG + STUBSIZE)
#define DRAMSIZE (MEMORYSIZE * 0x100000 - STUBSIZE)
/* End of the audio buffer, where the codec buffer starts */
#define ENDAUDIOADDR (DRAMORIG + DRAMSIZE - PLUGIN_BUFFER_SIZE - CODEC_SIZE)
/* Where the codec buffer ends, and the plugin buffer starts */
#define ENDCODECADDR (ENDAUDIOADDR + CODEC_SIZE)
MEMORY
{
IRAM : ORIGIN = IRAMORIG, LENGTH = IRAMSIZE
DRAM : ORIGIN = DRAMORIG, LENGTH = DRAMSIZE
}
SECTIONS
{
.text :
{
loadaddress = .;
_loadaddress = .;
*(.init.text);
*(.text*);
} > DRAM
. = ALIGN(4);
.rodata :
{
*(.rodata*);
} > DRAM
. = ALIGN(4);
.data :
{
*(.data*);
*(.sdata*);
} > DRAM
.iram IRAMORIG: AT (_bssbegin)
{
_iramstart = .;
. = 0x000; /* TLB refill */
KEEP(*(.vectors.1));
. = 0x100; /* Cache error */
KEEP(*(.vectors.2));
. = 0x180; /* General exception */
KEEP(*(.vectors.3));
. = 0x200; /* Interrupt */
KEEP(*(.vectors.4));
KEEP(*(.vectors));
*(.icode);
*(.irodata);
*(.idata);
_iramend = .;
} > IRAM
_iramcopy = LOADADDR(.iram);
. = ALIGN(4);
.stack (NOLOAD) :
{
*(.stack);
stackbegin = .;
. += 0x1E00;
stackend = .;
_irqstackbegin = .;
. += 0x300;
_irqstackend = .;
} > IRAM
.bss (NOLOAD) :
{
_bssbegin = .;
*(.sbss*);
*(.bss*);
*(COMMON);
*(.scommon*);
_bssend = .;
_end = .;
} > DRAM
#ifdef BOOTLOADER
. = ALIGN(4);
loadbuffer = .;
. += 0x100000 * 4; /* Allow 4 MiB for the rockbox binary */
loadbufferend = .;
#else
.audiobuf :
{
. = ALIGN(4); /* XXX might need more alignment here */
audiobuffer = .;
} > DRAM
audiobufend = ENDAUDIOADDR;
codecbuf = ENDAUDIOADDR;
pluginbuf = ENDCODECADDR;
#endif
/DISCARD/ :
{
*(.eh_frame);
*(.rel.dyn);
}
}