#include "config.h"

ENTRY(start)

OUTPUT_FORMAT(elf32-littlearm)
OUTPUT_ARCH(arm)
STARTUP(target/arm/tms320dm320/crt0.o)

#define PLUGINSIZE PLUGIN_BUFFER_SIZE
#define CODECSIZE CODEC_SIZE

#ifdef DEBUG
#define STUBOFFSET 0x10000
#else
#define STUBOFFSET 0
#endif

#define LCD_BUFFER_SIZE  (LCD_WIDTH*LCD_HEIGHT*2)

/* must be 16Kb (0x4000) aligned */
#define TTB_SIZE         (0x4000) 

#define DRAMSIZE (MEMORYSIZE * 0x100000) - STUBOFFSET - PLUGINSIZE - CODECSIZE - LCD_BUFFER_SIZE - TTB_SIZE

#define DRAMORIG 0x00900000 + STUBOFFSET
#define IRAMORIG 0x00000000
#define IRAMSIZE 0x4000

/* 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)

#define LCDBEGIN (ENDADDR + PLUGINSIZE)

#define TTBBEGIN (LCDBEGIN + LCD_BUFFER_SIZE)

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*)
        *(.rodata.str1.1)
        *(.rodata.str1.4)
        . = 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
    
    /* This could probably be shortened so that the audio buffer overwrites
     * at the IRAM stuff (assuming that it is copied first in crt0.S), but
     * leave it for now since the space is not critical at the moment.
     */
 	.bss (NOLOAD) :
    {
    	. = ADDR(.data) + SIZEOF(.data) + SIZEOF(.vectors) + SIZEOF(.iram);
       	_edata = .;
        *(.bss*)
        *(COMMON)
        . = ALIGN(0x4);
       	_end = .;
    } > DRAM
    

    .audiobuf (NOLOAD) :
    {
    	. = ALIGN(4);
        _audiobuffer = .;
        audiobuffer = .;
    } > DRAM

    .audiobufend ENDAUDIOADDR (NOLOAD) :
    {
        audiobufend = .;
        _audiobufend = .;
    } > DRAM

    .codec ENDAUDIOADDR (NOLOAD) :
    {
        codecbuf = .;
        _codecbuf = .;
    }

    .plugin ENDADDR (NOLOAD) :
    {
        _pluginbuf = .;
        pluginbuf = .;
    }
    
    .lcdbuffer LCDBEGIN (NOLOAD) :
    {
        _lcdbuf = .;
    }
    
    .ttbtable TTBBEGIN (NOLOAD) :
    {
        _ttbstart = .;
    }
}