#if (defined(CONFIG_ROM))
#include "rom_symbol.ld"
#endif
#if (defined(CONFIG_TZ_ROM)) || (defined(CONFIG_SECURE_BOOT))
#include "tzboot_rom_symbol.ld"
#endif

/* Linker script to configure memory regions. */
MEMORY
{
    RAM (rwx)  : ORIGIN = 0x00230000, LENGTH = 95K
    FLASH (rx)  : ORIGIN = 0x00400000, LENGTH = PRJ_XIP_SIZE
    PSRAM (rwx) : ORIGIN = CONFIG_PSRAM_START, LENGTH = PRJ_PSRAM_SIZE
}

__RAM_BASE = ORIGIN(RAM);
__PSRAM_BASE = ORIGIN(PSRAM);
__MSP_STACK_LENGTH = CONFIG_MSP_STACK_SIZE;

/* Linker script to place sections and symbol values. Should be used together
 * with other linker script that defines memory regions FLASH and RAM.
 * It references following symbols, which must be defined in code:
 *   Reset_Handler : 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
 *   __StackLimit
 *   __StackTop
 *   __stack
 *   _estack
 */
ENTRY(Reset_Handler)

SECTIONS
{
    .text :
    {
        . = ALIGN(4);
        __text_start__ = .;
        __VECTOR_BASE = .;
        KEEP(*(.isr_vector))
        KEEP(*(.text.Reset_Handler))
        KEEP(*(.cpu_text))
        *(.text*)
        *(.nonxip_text*)
        *(.sram_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*)
        *(.nonxip_rodata*)
        *(.sram_rodata*)

        KEEP(*(.eh_frame*))

        . = ALIGN(4);
        __text_end__ = .;
    } > RAM

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

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

    . = ALIGN(4);
    __etext = .;
    _sidata = .;

    .data :
    {
        . = ALIGN(4);
        __data_start__ = .;
        _sdata = .;

        *(vtable)
        *(.data*)
        *(.nonxip_data*)
        *(.sram_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 = .);

        KEEP(*(.jcr*))

        . = ALIGN(4);
#if (defined(CONFIG_ROM))
        *(*.got*)
#endif
        __data_end__ = .;
        _edata = .;
    } > RAM

    .bss :
    {
        . = ALIGN(4);
        __bss_start__ = .;
        _sbss = .;

        *(.bss*)
        *(COMMON)
        *(.nonxip_bss*)
        *(.sram_bss*)

        . = ALIGN(4);
        __bss_end__ = .;
        _ebss = .;
    } > RAM

    .heap (COPY):
    {
        __end__ = .;
        __heap_start__ = .;
        end = __end__;
        *(.heap*)
        __HeapLimit = .;
    } > RAM

    /* .stack_dummy section doesn't contains any symbols. It is only
     * used for linker to calculate size of stack sections, and assign
     * values to stack symbols later */
    .stack_dummy (COPY):
    {
        *(.stack*)
    } > RAM

#if (defined(CONFIG_ROM))
    .ram_table : AT(__bss_start__)
    {
        . = ALIGN(4);
        KEEP(*(.ram_table))
        . = ALIGN(4);
    } > RAM
    __ram_table_lma_start__ = __bss_start__;
    __ram_table_lma_end__ = __ram_table_lma_start__ + SIZEOF(.ram_table);
#endif

    /* Set stack top to end of RAM, and stack limit move down by
     * size of stack_dummy section */
    __StackTop = ORIGIN(RAM) + LENGTH(RAM);
    _estack = __StackTop;
    __heap_end__ = _estack - __MSP_STACK_LENGTH;
    __StackLimit = __StackTop - SIZEOF(.stack_dummy);
    PROVIDE(__stack = __StackTop);

    __FLASH_BASE = ORIGIN(FLASH);
    PROVIDE(__XIP_Base = __FLASH_BASE);
#if (defined(CONFIG_XIP))
    PROVIDE(__XIP_End = __xip_end__);
#else
    PROVIDE(__XIP_End = __XIP_Base);
#endif

    __PSRAM_BASE = ORIGIN(PSRAM);
    PROVIDE(__PSRAM_Base = __PSRAM_BASE);
    __PsramTop = ORIGIN(PSRAM) + LENGTH(PSRAM);
    PROVIDE(__PSRAM_Top = __PsramTop);

	/* Check if data + heap + stack exceeds RAM limit */
    ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
}