d6220f618b
Using a macro to put each function in its own .icode-based section allows us to put the functions in IRAM _and_ have linker GC. This removes a troublesome #ifdef BOOTLOADER_SPL on the X1000 target. Change-Id: Ia7b59778f5c36b7970dee4280547e434a1f4fc5a
119 lines
2.4 KiB
Text
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);
|
|
}
|
|
}
|