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#include "config.h"
ENTRY(_start)
OUTPUT_FORMAT(elf32-littlearm)
OUTPUT_ARCH(arm)
STARTUP(target/arm/tms320dm320/crt0.o)
#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)
#define DRAMORIG CONFIG_SDRAM_START
#define FLASHORIG 0x00100000
#define FLASHSIZE 0x00800000
#define ITCMORIG 0x00000000
#define ITCMSIZE 0x4000
#define DTCMORIG 0x00020000
#define DTCMSIZE 0x4000
PRO_STACK_SIZE = 0x2000;
IRQ_STACK_SIZE = 0x600;
FIQ_STACK_SIZE = 0x400;
/* 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
ITCM : ORIGIN = ITCMORIG, LENGTH = ITCMSIZE
DTCM : ORIGIN = DTCMORIG, LENGTH = DTCMSIZE
}
SECTIONS
{
/* Set up variables needed for memory initialization */
_sdram_start = DRAMORIG;
_sdram_sizem = ((_endsdram - _sdram_start) / 0x100000);
_flash_start = FLASHORIG;
_flash_sizem = (FLASHSIZE / 0x100000);
/* crt0.S initialization */
.init :
{
. = ALIGN(0x4);
loadaddress = .;
_loadaddress = .;
*(.init)
} > DRAM
.vectors ITCMORIG :
{
. = ALIGN(0x4);
_vectorsstart = .;
KEEP(*(.vectors));
_vectorsend = .;
} > ITCM AT> DRAM
_vectorscopy = LOADADDR(.vectors);
.text :
{
. = ALIGN(0x4);
*(.text*)
} > DRAM
/* Thumb interworking sections - for some reason LD dies even if these
* sections are empty.
*/
.glue :
{
. = ALIGN(0x4);
*(.glue_7) /* ARM calling Thumb */
*(.glue_7t) /* Thumb calling ARM */
} > DRAM
.rodata :
{
. = ALIGN(0x4);
*(.rodata*)
} > DRAM
.data :
{
. = ALIGN(0x4);
*(.data*)
} > DRAM
.iram :
{
. = ALIGN(0x4);
_iramstart = .;
*(.icode*)
*(.irodata*)
*(.idata*)
_iramend = .;
} > ITCM AT> DRAM
_iramcopy = LOADADDR(.iram);
.bss (NOLOAD) :
{
. = ALIGN(0x4);
_bss_start = .;
*(.bss*)
*(COMMON)
_bss_end = .;
_end = .;
} > DRAM
.ibss (NOLOAD) :
{
. = ALIGN(0x4);
_ibss_start = .;
*(.ibss*)
_ibss_end = .;
} > ITCM
/* Program stack space */
.pro_stack (NOLOAD):
{
. = ALIGN(0x4);
*(.stack)
stackbegin = .; /* Variable for thread.c */
_pro_stack_end = .;
. += PRO_STACK_SIZE;
_pro_stack_start = .;
stackend = .; /* Variable for tread.c */
} > ITCM
/* IRQ stack space */
.irq_stack (NOLOAD):
{
. = ALIGN(0x4);
_irq_stack_end = .;
. += IRQ_STACK_SIZE;
_irq_stack_start = .;
} > ITCM
/* FIQ stack space */
.fiq_stack (NOLOAD):
{
. = ALIGN(0x4);
_fiq_stack_end = .;
. += FIQ_STACK_SIZE;
_fiq_stack_start = .;
} > ITCM
.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
_endsdram = .;
.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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