/****************************************************************************/
/*  AM3359.lds                                                              */
/*  Copyright (c) 2013  Texas Instruments Incorporated                      */
/*  Author: Rafael de Souza                                                 */
/*                                                                          */
/*    Description: This file is a sample linker command file that can be    */
/*                 used for linking programs built with the GCC compiler    */
/*                 and running the resulting .out file on an AM3359.        */
/*                 Use it as a guideline.  You will want to                 */
/*                 change the memory layout to match your specific          */
/*                 target system.  You may want to change the allocation    */
/*                 scheme according to the size of your program.            */
/*                                                                          */
/****************************************************************************/

MEMORY
{

    SRAM :     o = 0x402F0400,  l = 0x0000FC00  /* 64kB internal SRAM */
    L3OCMC0 :  o = 0x40300000,  l = 0x00010000  /* 64kB L3 OCMC SRAM */
    M3SHUMEM : o = 0x44D00000,  l = 0x00004000  /* 16kB M3 Shared Unified Code Space */
    M3SHDMEM : o = 0x44D80000,  l = 0x00002000  /* 8kB M3 Shared Data Memory */
    DDR0 :     o = 0x80000000,  l = 0x40000000  /* 1GB external DDR Bank 0 */

}

/* Linker script to place sections and symbol values. Should be used together
 * with other linker script that defines memory region DDR0.
 * It references following symbols, which must be defined in code:
 *   Entry : Entry of reset handler
 * 
 * It defines following symbols, which code can use without definition:
 *   __exidx_start
 *   __exidx_end
 *   __etext
 *   __data_start__
 *   __preinit_array_start
 *   __preinit_array_end
 *   __init_array_start
 *   __init_array_end
 *   __fini_array_start
 *   __fini_array_end
 *   __data_end__
 *   __bss_start__
 *   __bss_end__
 *   __end__
 *   end
 *   __HeapLimit
 *   __HeapBase		- To be compatible with Linaro's semihosting support 
 *   __StackLimit
 *   __StackTop
 *   __StackBase	- To be compatible with Linaro's semihosting support 
 *   __stack
 */
ENTRY(Entry)

SECTIONS
{
    .rsthand :
    {
        . = ALIGN(0x10000);
        KEEP(*(.isr_vector))
        *startup_ARMCA8.o (.text)
    } > DDR0
	
	. = ALIGN(4);
	.text :
	{
		*(.text*)

		KEEP(*(.init))
		KEEP(*(.fini))

		/* .ctors */
		*crtbegin.o(.ctors)
		*crtbegin?.o(.ctors)
		*(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
		*(SORT(.ctors.*))
		*(.ctors)

		/* .dtors */
 		*crtbegin.o(.dtors)
 		*crtbegin?.o(.dtors)
 		*(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
 		*(SORT(.dtors.*))
 		*(.dtors)

		*(.rodata*)

		KEEP(*(.eh_frame*))
	} > DDR0

	.ARM.extab : 
	{
		*(.ARM.extab* .gnu.linkonce.armextab.*)
	} > DDR0

	__exidx_start = .;
	.ARM.exidx :
	{
		*(.ARM.exidx* .gnu.linkonce.armexidx.*)
	} > DDR0
	__exidx_end = .;

		
	.data :
	{
		. = ALIGN(4);
		__data_start__ = .;
		*(vtable)
		*(.data*)

		. = ALIGN(4);
		/* preinit data */
		PROVIDE_HIDDEN (__preinit_array_start = .);
		KEEP(*(.preinit_array))
		PROVIDE_HIDDEN (__preinit_array_end = .);

		. = ALIGN(4);
		/* init data */
		PROVIDE_HIDDEN (__init_array_start = .);
		KEEP(*(SORT(.init_array.*)))
		KEEP(*(.init_array))
		PROVIDE_HIDDEN (__init_array_end = .);


		. = ALIGN(4);
		/* finit data */
		PROVIDE_HIDDEN (__fini_array_start = .);
		KEEP(*(SORT(.fini_array.*)))
		KEEP(*(.fini_array))
		PROVIDE_HIDDEN (__fini_array_end = .);

		. = ALIGN(4);
		/* All data end */
		__data_end__ = .;

	} > DDR0

	.bss :
	{
		. = ALIGN(4);
		__bss_start__ = .;
		*(.bss*)
		*(COMMON)
		__bss_end__ = .;
	} > DDR0
	
	.heap :
	{
		. = ALIGN(4);
		__end__ = .;
		end = __end__;
		/* The line below created to be compatible with Linaro's semihosting support */
		__HeapBase = __end__; 
		*(.heap*)
		. = . + HEAPSIZE;
		__HeapLimit = .; 
	} > DDR0

	/* .stack section doesn't contain any symbols. It is only
	 * used for linker to calculate size of stack sections, and assign
	 * values to stack symbols later */
	.stack :
	{
		. = ALIGN(4);
		__StackLimit = . ;
		*(.stack*)
		. = . + STACKSIZE;
		__StackTop = . ;
		/* The line below created to be compatible with Linaro's semihosting support */
		__StackBase = . ;
	} > DDR0
	PROVIDE(__stack = __StackTop);

}
/**************************************************************************/
