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#include "config.h"
ENTRY(start)
OUTPUT_FORMAT(elf32-littlearm)
OUTPUT_ARCH(arm)
STARTUP(target/arm/tms320dm320/crt0.o)
#ifdef DEBUG
#define STUBOFFSET 0x10000
#else
#define STUBOFFSET 0
#endif
#ifndef LCD_NATIVE_WIDTH
#define LCD_NATIVE_WIDTH LCD_WIDTH
#endif
#ifndef LCD_NATIVE_HEIGHT
#define LCD_NATIVE_HEIGHT LCD_HEIGHT
#endif
#define LCD_FUDGE LCD_NATIVE_WIDTH%32
#define LCD_BUFFER_SIZE ((LCD_NATIVE_WIDTH+LCD_FUDGE)*LCD_NATIVE_HEIGHT*2)
/* must be 16Kb (0x4000) aligned */
#define TTB_SIZE 0x4000
/* Give this some memory to allow it to align to the MMU boundary.
* Note that since there are two buffers (YUV/RGB) it calculates the approximate
* memory needed in steps of 1 Meg.
*/
#define LCD_TTB_AREA 0x100000*((LCD_BUFFER_SIZE>>19)+1)
#define DRAMSIZE (MEMORYSIZE * 0x100000) - STUBOFFSET
#define DRAMORIG 0x00900000 + STUBOFFSET
#define IRAMORIG 0x00000000
#define IRAMSIZE 0x4000
/* End of the audio buffer, where the codec buffer starts */
#define ENDAUDIOADDR (DRAMORIG + DRAMSIZE - PLUGIN_BUFFER_SIZE - CODEC_SIZE - LCD_TTB_AREA)
MEMORY
{
DRAM : ORIGIN = DRAMORIG, LENGTH = DRAMSIZE
IRAM : ORIGIN = IRAMORIG, LENGTH = IRAMSIZE
}
SECTIONS
{
.text :
{
loadaddress = .;
_loadaddress = .;
*(.init.text)
*(.text*)
*(.glue_7)
*(.glue_7t)
. = ALIGN(0x4);
} > DRAM
.rodata :
{
*(.rodata) /* problems without this, dunno why */
*(.rodata*)
. = ALIGN(0x4);
} > DRAM
.data :
{
*(.data*)
. = ALIGN(0x4);
} > DRAM
/DISCARD/ :
{
*(.eh_frame)
}
.vectors IRAMORIG :
{
_vectorsstart = .;
*(.vectors);
_vectorsend = .;
} > IRAM AT> DRAM
_vectorscopy = LOADADDR(.vectors);
.iram :
{
_iramstart = .;
*(.icode)
*(.irodata*)
*(.idata)
. = ALIGN(0x4);
_iramend = .;
} > IRAM AT> DRAM
_iramcopy = LOADADDR(.iram);
.ibss (NOLOAD) :
{
_iedata = .;
*(.ibss)
. = ALIGN(0x4);
_iend = .;
} > IRAM
.stack (NOLOAD) :
{
*(.stack)
stackbegin = .;
. += 0x2000;
stackend = .;
} > IRAM
.irqstack (NOLOAD) :
{
*(.stack)
. += 0x400;
irq_stack = .;
} > IRAM
.fiqstack (NOLOAD) :
{
*(.stack)
. += 0x400;
fiq_stack = .;
} > IRAM
/* This overwrites the iram (in ram), so make sure that the iram is copied
* out in crt0.s before the bss section and the rest are used.
*/
.bss (NOLOAD) :
{
. = ADDR(.data) + SIZEOF(.data);
_edata = .;
*(.bss*)
*(COMMON)
. = ALIGN(0x4);
_end = .;
} > DRAM
.audiobuf (NOLOAD) :
{
. = ALIGN(4);
audiobuffer = .;
} > DRAM
.audiobufend ENDAUDIOADDR (NOLOAD) :
{
audiobufend = .;
} > DRAM
.codec ENDAUDIOADDR (NOLOAD) :
{
codecbuf = .;
. += CODEC_SIZE;
} > DRAM
.plugin (NOLOAD) :
{
pluginbuf = .;
. += PLUGIN_BUFFER_SIZE;
} > DRAM
.ttbtable (NOLOAD) :
{
. = ALIGN (0x4000);
_ttbstart = .;
. += TTB_SIZE;
} > DRAM
/* The LCD buffer should be at the end of memory to protect against
* overflowing something else when the YUV blitter is fudging the screen
* size.
*/
.lcdbuffer (NOLOAD) :
{
_lcdbuf = .;
. += LCD_BUFFER_SIZE;
} > DRAM
.lcdbuffer2 (NOLOAD) :
{
_lcdbuf2 = .;
. += LCD_BUFFER_SIZE;
} > DRAM
}
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