incubator-nuttx/boards/risc-v/qemu-rv/rv-virt/scripts/ld-kernel32.script

/****************************************************************************
 * boards/risc-v/qemu-rv/rv-virt/scripts/ld.script
 *
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.  The
 * ASF licenses this file to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance with the
 * License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
 * License for the specific language governing permissions and limitations
 * under the License.
 *
 ****************************************************************************/

MEMORY
{
    kflash (rx) : ORIGIN = 0x80000000, LENGTH = 4096K   /* w/ cache */
    ksram (rwx) : ORIGIN = 0x80400000, LENGTH = 4096K   /* w/ cache */
    pgram (rwx) : ORIGIN = 0x80800000, LENGTH = 4096K   /* w/ cache */
}

OUTPUT_ARCH("riscv")

/* Provide the kernel boundaries */

__kflash_start = ORIGIN(kflash);
__kflash_size = LENGTH(kflash);
__ksram_start = ORIGIN(ksram);
__ksram_size = LENGTH(ksram);
__ksram_end = ORIGIN(ksram) + LENGTH(ksram);

/* Page heap */

__pgheap_start = ORIGIN(pgram);
__pgheap_size = LENGTH(pgram);

SECTIONS
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      /* C++ support:  The .init and .fini sections contain specific logic
       * to manage static constructors and destructors.
       */

      *(.gnu.linkonce.t.*)
      *(.init)             /* Old ABI */
      *(.fini)             /* Old ABI */
      _etext = . ;
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  .rodata :
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  .tbss : {
      _stbss = ABSOLUTE(.);
      *(.tbss .tbss.* .gnu.linkonce.tb.* .tcommon);
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  _eronly = ABSOLUTE(.);

  .data :
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      *(.data)
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    /* Page tables here, align to 4K boundary */

    .pgtables (NOLOAD) : ALIGN(0x1000) {
        *(.pgtables)
        . = ALIGN(4);
    } > ksram

  .bss :
    {
      _sbss = . ;
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      *(.sbss)
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      *(.gnu.linkonce.b*)
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    /* Stack top */

    .stack_top : {
        . = ALIGN(32);
        _ebss = ABSOLUTE(.);
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    /* Stabs debugging sections.    */

    .stab 0 : { *(.stab) }
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    .debug_abbrev 0 : { *(.debug_abbrev) }
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    .debug_line 0 : { *(.debug_line) }
    .debug_pubnames 0 : { *(.debug_pubnames) }
    .debug_aranges 0 : { *(.debug_aranges) }
}