/*
 * Copyright (c) 2006-2020, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
 * 2020/12/12     bernard      The first version
 */

INCLUDE "link_stacksize.lds"

OUTPUT_ARCH( "riscv" )

/*
 * Memory layout:
 * 2M ==> +128K: Bootloader(sbi)
 * 2M+128K ==> +sizeof(rtthread.bin): Kernel
 * ~ ==> 32M: Heap
 * 32M - 66M: Page
 */

MEMORY
{
   SRAM(wx) : ORIGIN = 0xFFFFFFC000220000, LENGTH = 64M - 128K
}

ENTRY(_start)
SECTIONS
{
    . = ORIGIN(SRAM) ;

    /* __STACKSIZE__ = 4096; */
    __sram_base = ORIGIN(SRAM);
    __sram_size = LENGTH(SRAM);
    __sram_end = __sram_base + __sram_size;
    __text_start = .;
    .start :
    {
        *(.start);
    } > SRAM

    . = ALIGN(8);

    .text :
    {
        *(.text)                        /* remaining code */
        *(.text.*)                      /* remaining code */
        *(.rodata)                      /* read-only data (constants) */
        *(.rodata*)
        *(.glue_7)
        *(.glue_7t)
        *(.gnu.linkonce.t*)

        /* section information for finsh shell */
        . = ALIGN(8);
        __fsymtab_start = .;
        KEEP(*(FSymTab))
        __fsymtab_end = .;
        . = ALIGN(8);
        __vsymtab_start = .;
        KEEP(*(VSymTab))
        __vsymtab_end = .;
        . = ALIGN(8);

        /* section information for initial. */
        . = ALIGN(8);
        __rt_init_start = .;
        KEEP(*(SORT(.rti_fn*)))
        __rt_init_end = .;
        . = ALIGN(8);

        __rt_utest_tc_tab_start = .;
        KEEP(*(UtestTcTab))
        __rt_utest_tc_tab_end = .;

        . = ALIGN(8);
        _etext = .;
    } > SRAM

    .eh_frame_hdr :
    {
         *(.eh_frame_hdr)
         *(.eh_frame_entry)
    } > SRAM
    .eh_frame : ONLY_IF_RO { KEEP (*(.eh_frame)) } > SRAM

    . = ALIGN(8);
    __text_end = .;
    __text_size = __text_end - __text_start;

    .data :
    {
        *(.data)
        *(.data.*)

        *(.data1)
        *(.data1.*)

        . = ALIGN(8);
        PROVIDE( __global_pointer$ = . + 0x800 );

        *(.sdata)
        *(.sdata.*)
    } > SRAM

    /* stack for dual core */
    .stack :
    {
        . = ALIGN(64);
        __stack_start__ = .;

        . += __STACKSIZE__;
        __stack_cpu0 = .;

        . += __STACKSIZE__;
        __stack_cpu1 = .;
    } > SRAM

    . = ALIGN(8);

    .osdebug :
    {
        _osdebug_start = .;
        . += 87K;
        _osdebug_end = .;
    } > SRAM

    . = ALIGN(8);

    .sbss :
    {
    __bss_start = .;
        *(.sbss)
        *(.sbss.*)
        *(.dynsbss)
        *(.scommon)
    } > SRAM

    .bss :
    {
        *(.bss)
        *(.bss.*)
        *(.dynbss)
        *(COMMON)
    __bss_end = .;
    } > SRAM

    _end = .;

    /* Stabs debugging sections.  */
    .stab          0 : { *(.stab) }
    .stabstr       0 : { *(.stabstr) }
    .stab.excl     0 : { *(.stab.excl) }
    .stab.exclstr  0 : { *(.stab.exclstr) }
    .stab.index    0 : { *(.stab.index) }
    .stab.indexstr 0 : { *(.stab.indexstr) }
    .comment       0 : { *(.comment) }
    /* DWARF debug sections.
     * Symbols in the DWARF debugging sections are relative to the beginning
     * of the section so we begin them at 0.  */
    /* DWARF 1 */
    .debug          0 : { *(.debug) }
    .line           0 : { *(.line) }
    /* GNU DWARF 1 extensions */
    .debug_srcinfo  0 : { *(.debug_srcinfo) }
    .debug_sfnames  0 : { *(.debug_sfnames) }
    /* DWARF 1.1 and DWARF 2 */
    .debug_aranges  0 : { *(.debug_aranges) }
    .debug_pubnames 0 : { *(.debug_pubnames) }
    /* DWARF 2 */
    .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }
    .debug_abbrev   0 : { *(.debug_abbrev) }
    .debug_line     0 : { *(.debug_line) }
    .debug_frame    0 : { *(.debug_frame) }
    .debug_str      0 : { *(.debug_str) }
    .debug_loc      0 : { *(.debug_loc) }
    .debug_macinfo  0 : { *(.debug_macinfo) }
    /* SGI/MIPS DWARF 2 extensions */
    .debug_weaknames 0 : { *(.debug_weaknames) }
    .debug_funcnames 0 : { *(.debug_funcnames) }
    .debug_typenames 0 : { *(.debug_typenames) }
    .debug_varnames  0 : { *(.debug_varnames) }
}