/**
 * @file    app.ld
 * @brief   Linker script for Application firmware (Donghui OTA)
 *
 * Two instances required:
 *   App A starts at __APP_BASE__ = 0x08008000
 *   App B starts at __APP_BASE__ = 0x08044000
 *
 * Pass via: -D__APP_BASE__=0x08008000 or -D__APP_BASE__=0x08044000
 */

#ifndef __APP_BASE__
#define __APP_BASE__ 0x08008000
#endif

MEMORY
{
    FLASH (rx)  : ORIGIN = __APP_BASE__, LENGTH = 240K
    RAM   (rwx) : ORIGIN = 0x20000000, LENGTH = 128K
}

SECTIONS
{
    /* Vector table at app base */
    .isr_vector :
    {
        . = ALIGN(4);
        KEEP(*(.isr_vector))
        . = ALIGN(4);
    } > FLASH

    .text :
    {
        . = ALIGN(4);
        *(.text)
        *(.text*)
        *(.glue_7)
        *(.glue_7t)
        *(.eh_frame)
        KEEP(*(.init))
        KEEP(*(.fini))
        . = ALIGN(4);
        _etext = .;
    } > FLASH

    .rodata :
    {
        . = ALIGN(4);
        *(.rodata)
        *(.rodata*)
        . = ALIGN(4);
    } > FLASH

    _sidata = LOADADDR(.data);
    .data :
    {
        . = ALIGN(4);
        _sdata = .;
        *(.data)
        *(.data*)
        . = ALIGN(4);
        _edata = .;
    } > RAM AT > FLASH

    .bss :
    {
        . = ALIGN(4);
        _sbss = .;
        *(.bss)
        *(.bss*)
        *(COMMON)
        . = ALIGN(4);
        _ebss = .;
    } > RAM

    ._user_stack :
    {
        . = ALIGN(8);
        . = . + 0x2000;
        . = ALIGN(8);
        _estack = .;
    } > RAM

    ._user_heap :
    {
        . = ALIGN(8);
        . = . + 0x2000;
        . = ALIGN(8);
        _eheap = .;
    } > RAM
}