rockbox/apps/plugins/plugin.lds

#include "config.h"

/* These output formats should be in the config-files */

#ifdef CPU_COLDFIRE
OUTPUT_FORMAT(elf32-m68k)
#elif defined(CPU_ARM)
OUTPUT_FORMAT(elf32-littlearm)
#elif defined(CPU_SH)
OUTPUT_FORMAT(elf32-sh)
#elif defined(CPU_MIPS)
OUTPUT_FORMAT(elf32-littlemips)
#else
/* We can have an #error here we don't use this file when build sims! */
#error Unknown CPU architecture
#endif

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

#if defined(CPU_PP)
#ifdef CPU_PP502x
#define NOCACHE_BASE 	0x10000000
#else
#define NOCACHE_BASE 	0x28000000
#endif /* CPU_* */
#define CACHEALIGN_SIZE 16
#endif /* CPU_PP */

#if CONFIG_CPU==IMX31L
/* No fudges! */
#include "imx31l.h"
#define DRAMSIZE ((MEMORYSIZE * 0x100000) - STUBOFFSET - PLUGIN_BUFFER_SIZE \
                  - CODEC_SIZE - QHARRAY_SIZE - FRAME_SIZE - TTB_SIZE)

#elif CONFIG_CPU==DM320

/* Give this 1 meg to allow it to align to the MMU boundary */
#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)
#define LCD_TTB_AREA    0x100000*((LCD_BUFFER_SIZE>>19)+1)

#define DRAMSIZE (MEMORYSIZE * 0x100000) - STUBOFFSET - PLUGIN_BUFFER_SIZE - CODEC_SIZE - LCD_TTB_AREA

#elif CONFIG_CPU==S3C2440
#include "cpu.h"
/* must be 16Kb (0x4000) aligned */
#define TTB_SIZE         (0x4000) 
#define DRAMSIZE (MEMORYSIZE * 0x100000) - STUBOFFSET - PLUGIN_BUFFER_SIZE - CODEC_SIZE - LCD_BUFFER_SIZE - TTB_SIZE

#elif CONFIG_CPU==TCC7801
#include "cpu.h"
#define DRAMSIZE (MEMORYSIZE * 0x100000) - STUBOFFSET - PLUGIN_BUFFER_SIZE - CODEC_SIZE - TTB_SIZE

#elif CONFIG_CPU==AS3525 || CONFIG_CPU==AS3525v2
#include "cpu.h"
#define DRAMORIG DRAM_ORIG
#if defined(AMS_LOWMEM) || (CONFIG_CPU == AS3525v2)
#define DRAMSIZE (DRAM_SIZE - PLUGIN_BUFFER_SIZE - STUBOFFSET - TTB_SIZE)
#else
#define DRAMSIZE (DRAM_SIZE - PLUGIN_BUFFER_SIZE - STUBOFFSET - CODEC_SIZE - TTB_SIZE)
#endif
#endif

 /* default to full RAM (minus codecs&plugins) unless specified otherwise */
#ifndef DRAMSIZE
#define DRAMSIZE (MEMORYSIZE * 0x100000) - PLUGIN_BUFFER_SIZE - STUBOFFSET - CODEC_SIZE
#endif

/* MCF5249 have 96KB of IRAM */
#if CONFIG_CPU == MCF5249
#define DRAMORIG 0x31000000
#define IRAMORIG 0x1000c000
#define IRAMSIZE 0xc000

/* MCF5250 have 128KB of IRAM */
#elif CONFIG_CPU == MCF5250
#define DRAMORIG 0x31000000
#define IRAMORIG 0x1000c000
#define IRAMSIZE 0x14000

#elif CONFIG_CPU == PP5022 || CONFIG_CPU == PP5024
/* PP5022/24 have 128KB of IRAM */
#define DRAMORIG 0x00000000
#define IRAMORIG 0x4000c000
#define IRAMSIZE 0x14000

#elif defined(CPU_PP)
/* all other PP's have 96KB of IRAM */
#define DRAMORIG 0x00000000
#define IRAMORIG 0x4000c000
#define IRAMSIZE 0x0c000

#elif CONFIG_CPU == PNX0101
#define DRAMORIG 0xc00000 + STUBOFFSET
#define IRAMORIG 0x407000
#define IRAMSIZE 0x9000

#elif CONFIG_CPU == IMX31L || CONFIG_CPU == S3C2440
#define DRAMORIG 0x0 + STUBOFFSET
#define IRAM DRAM
#define IRAMSIZE 0

#elif CONFIG_CPU==DM320
#define DRAMORIG 0x00900000 + STUBOFFSET
#define IRAM DRAM
/* The bit of IRAM that is available is used in the core */
#define IRAMSIZE 0

#elif defined(CPU_TCC780X) || defined(CPU_TCC77X)
#define DRAMORIG 0x20000000
#if CONFIG_CPU==TCC7801
#define IRAMORIG 0x1000c000
#define IRAMSIZE 0xc000
#else
#define IRAM DRAM
#define IRAMSIZE 0
#endif

#elif CONFIG_CPU==AS3525 || CONFIG_CPU==AS3525v2
#if defined(AMS_LOWMEM) || (CONFIG_CPU == AS3525v2)
#define IRAMSIZE 0  /* simulates no IRAM since codec is already entirely in IRAM */
#define CODEC_ORIGIN (IRAM_ORIG + IRAM_SIZE - CODEC_SIZE)
#define PLUGIN_ORIGIN (DRAM_ORIG + DRAMSIZE)
#else
#define IRAMORIG (IRAM_ORIG + 0x20000)
#define IRAMSIZE (IRAM_ORIG + IRAM_SIZE - IRAMORIG)
#endif

#elif CONFIG_CPU==S5L8700
/* S5L8700 have 256KB of IRAM */
#define DRAMORIG 0x08000000
#define IRAMORIG (0x00000000 + (48*1024))
#define IRAMSIZE (208*1024)

#elif CONFIG_CPU==S5L8701
/* S5L8701 have 176KB of IRAM */
#define DRAMORIG 0x08000000
#define IRAMORIG (0x00000000 + (48*1024))
#define IRAMSIZE (128*1024)

#elif CONFIG_CPU == JZ4732
#define DRAMORIG 0x80004000 + STUBOFFSET
#define IRAM DRAM
#define IRAMSIZE 0
/* The bit of IRAM that is available is used in the core */
#else
#define DRAMORIG 0x09000000 + STUBOFFSET
#endif

#ifndef NOCACHE_BASE
/* Default to no offset if target doesn't define this */
#define NOCACHE_BASE 0x00000000
#endif

#define PLUGIN_LENGTH PLUGIN_BUFFER_SIZE


#ifndef CODEC_ORIGIN /* targets can specify another origin */
#define CODEC_ORIGIN (DRAMORIG + (DRAMSIZE))
#endif

#ifndef PLUGIN_ORIGIN /* targets can specify another origin */
#define PLUGIN_ORIGIN (CODEC_ORIGIN + CODEC_SIZE)
#endif

#ifdef CODEC
#define THIS_LENGTH CODEC_SIZE
#define THIS_ORIGIN CODEC_ORIGIN
#elif defined OVERLAY_OFFSET
#define THIS_LENGTH (DRAMSIZE - OVERLAY_OFFSET)
#define THIS_ORIGIN (DRAMORIG + OVERLAY_OFFSET)
#else /* plugin */
#define THIS_LENGTH PLUGIN_LENGTH
#define THIS_ORIGIN PLUGIN_ORIGIN
#endif

MEMORY
{
   PLUGIN_RAM : ORIGIN = THIS_ORIGIN, LENGTH = THIS_LENGTH
#if defined(IRAMSIZE) && IRAMSIZE != 0
   PLUGIN_IRAM : ORIGIN = IRAMORIG, LENGTH = IRAMSIZE
#endif
}

SECTIONS
{
    .header : {
        _plugin_start_addr = .;
        plugin_start_addr = .;
        KEEP(*(.header))
    } > PLUGIN_RAM

    .text :
    {
        *(.text*)
#if defined(IRAMSIZE) && IRAMSIZE == 0
		*(.icode)
#endif
#ifdef CPU_ARM
        *(.glue_7)
        *(.glue_7t)
#endif
    } > PLUGIN_RAM

    .rodata :
    {
        *(.rodata*)
#if defined(IRAMSIZE) && IRAMSIZE == 0
		*(.irodata)
#endif
        . = ALIGN(0x4);
    } > PLUGIN_RAM

    .data :
    {
        *(.data*)
#if defined(IRAMSIZE) && IRAMSIZE == 0
		*(.idata)
#endif
    } > PLUGIN_RAM

#if NOCACHE_BASE != 0
    .ncdata . + NOCACHE_BASE :
    {
        . = ALIGN(CACHEALIGN_SIZE);
        *(.ncdata*)
        . = ALIGN(CACHEALIGN_SIZE);
/* EABI currently needs iramcopy defined here, otherwise .iram can sometimes
   have an incorrect load address, breaking codecs. */
#if defined(IRAMSIZE)
        iramcopy = . - NOCACHE_BASE;
#endif
    } AT> PLUGIN_RAM
/* This definition is used when NOCACHE_BASE is 0. The address offset bug only
   seems to occur when the empty .ncdata is present. */
#elif defined(IRAMSIZE)
    iramcopy = .;
#endif

    /DISCARD/ :
    {
        *(.eh_frame)
#ifdef CPU_MIPS
        *(.rel.dyn)
#endif
    }

#if defined(IRAMSIZE) && IRAMSIZE != 0
    .iram IRAMORIG : AT ( iramcopy)
    {
        iramstart = .;
        *(.icode)
        *(.irodata)
        *(.idata)
        iramend = .;
    } > PLUGIN_IRAM


    .ibss (NOLOAD) :
    {
        iedata = .;
        *(.ibss)
        . = ALIGN(0x4);
        iend = .;
    } > PLUGIN_IRAM
#endif

    .bss (NOLOAD) :
    {
    	plugin_bss_start = .;
    	_plugin_bss_start = .;
        *(.bss*)
#if defined(IRAMSIZE) && IRAMSIZE == 0
		*(.ibss)
#endif
        *(COMMON)
        . = ALIGN(0x4);
    } > PLUGIN_RAM
    
#if NOCACHE_BASE != 0
    .ncbss . + NOCACHE_BASE (NOLOAD) :
    {
    	. = ALIGN(CACHEALIGN_SIZE);
    	*(.ncbss*)
        . = ALIGN(CACHEALIGN_SIZE);
    } AT> PLUGIN_RAM
#endif

    /* Restore . */
    .pluginend . - NOCACHE_BASE :
    {
        _plugin_end_addr = .;
        plugin_end_addr = .;
    }

    /* Special trick to avoid a linker error when no other sections are
       left after garbage collection (plugin not for this platform) */
    .comment 0 :
    {
        KEEP(*(.comment))
    }
}