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/*
* Copyright (c) 2006-2025, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Date Author Notes
* 2020-12-12 bernard first version
*/
#define __ASSEMBLY__
#include "rtconfig.h"
#ifndef __riscv_xlen
#ifdef ARCH_RISCV64
#define __riscv_xlen 64
#else
#define __riscv_xlen 32
#endif
#endif
#include "page_def.h"
OUTPUT_ARCH(riscv)
#ifndef ARCH_TEXT_OFFSET
#if __riscv_xlen == 64
#define ARCH_TEXT_OFFSET 0x200000
#elif __riscv_xlen == 32
#define ARCH_TEXT_OFFSET 0x400000
#else
#error "Unexpected __riscv_xlen"
#endif
#endif
#ifndef ARCH_RAM_OFFSET
#define ARCH_RAM_OFFSET 0
#endif
PHDRS
{
text PT_LOAD FLAGS(5); /* PF_R(4) | PF_X(1) = 0x5 (RX) */
data PT_LOAD FLAGS(6); /* PF_R(4) | PF_W(2) = 0x6 (RW) */
}
SECTIONS
{
_text_offset = ARCH_TEXT_OFFSET;
#ifdef RT_USING_SMART
. = KERNEL_VADDR_START + _text_offset;
#else
. = ARCH_RAM_OFFSET + _text_offset;
#endif
.text :
{
PROVIDE(__text_start = .);
KEEP(*(.start)) /* The start point */
KEEP(*(.text.start))
*(.text) /* Remaining code */
*(.text.*) /* Remaining code */
*(.rodata) /* Read-only data (constants) */
*(.rodata*)
*(.glue_7)
*(.glue_7t)
*(.gnu.linkonce.t*)
/* section information for utest */
. = ALIGN(RISCV_SZPTR);
PROVIDE(__rt_utest_tc_tab_start = .);
KEEP(*(UtestTcTab))
PROVIDE(__rt_utest_tc_tab_end = .);
/* section information for finsh shell */
. = ALIGN(RISCV_SZPTR);
PROVIDE(__fsymtab_start = .);
KEEP(*(FSymTab))
PROVIDE(__fsymtab_end = .);
. = ALIGN(RISCV_SZPTR);
PROVIDE(__vsymtab_start = .);
KEEP(*(VSymTab))
PROVIDE(__vsymtab_end = .);
. = ALIGN(RISCV_SZPTR);
/* section information for modules */
. = ALIGN(RISCV_SZPTR);
PROVIDE(__rtmsymtab_start = .);
KEEP(*(RTMSymTab))
PROVIDE(__rtmsymtab_end = .);
/* section information for initialization */
. = ALIGN(RISCV_SZPTR);
PROVIDE(__rt_init_start = .);
KEEP(*(SORT(.rti_fn*)))
PROVIDE(__rt_init_end = .);
/* section information for rt_ofw. */
. = ALIGN(RISCV_SZPTR);
PROVIDE(__rt_ofw_data_start = .);
KEEP(*(SORT(.rt_ofw_data.*)))
PROVIDE(__rt_ofw_data_end = .);
. = ALIGN(RISCV_SZPTR);
/* section information for usb usbh_class_info */
. = ALIGN(RISCV_SZPTR);
__usbh_class_info_start__ = .;
KEEP(*(.usbh_class_info))
. = ALIGN(RISCV_SZPTR);
__usbh_class_info_end__ = .;
PROVIDE(__text_end = .);
} :text
.eh_frame_hdr :
{
*(.eh_frame_hdr)
*(.eh_frame_entry)
}
.eh_frame : ONLY_IF_RO { KEEP (*(.eh_frame)) }
. = ALIGN(RISCV_SZPTR);
.data :
{
*(.data)
*(.data.*)
*(.data1)
*(.data1.*)
. = ALIGN(ARCH_PAGE_SIZE);
PROVIDE(__global_pointer$ = . + 0x800);
*(.sdata)
*(.sdata.*)
*(.rel.local)
} :data
. = ALIGN(RISCV_SZPTR);
.ctors :
{
PROVIDE(__ctors_start__ = .);
KEEP(*(SORT(.init_array.*)))
KEEP(*(.init_array))
PROVIDE(__ctors_end__ = .);
}
.dtors :
{
PROVIDE(__dtors_start__ = .);
KEEP(*(SORT(.fini_array.*)))
KEEP(*(.fini_array))
PROVIDE(__dtors_end__ = .);
}
.bss :
{
/*
* We need some free space to page, move .bss.noclean.*
* to optimize size.
*/
PROVIDE(__bss_noclean_start = .);
*(.bss.noclean.*)
PROVIDE(__bss_noclean_end = .);
. = ALIGN(RISCV_SZPTR);
PROVIDE(__bss_start = .);
*(.bss)
*(.bss.*)
*(.sbss)
*(.sbss.*)
*(.dynbss)
*(COMMON)
. = ALIGN(RISCV_SZPTR);
PROVIDE(__bss_end = .);
}
.percpu (NOLOAD) :
{
#if defined(RT_USING_SMP) && defined(ARCH_MM_MMU)
/* Align for MMU early map */
. = ALIGN(SUPPER_PAGE_SIZE);
#endif /* RT_USING_SMP && ARCH_MM_MMU */
PROVIDE(__percpu_start = .);
*(.percpu)
#if defined(RT_USING_SMP) && defined(ARCH_MM_MMU)
. = ALIGN(ARCH_PAGE_SIZE);
#endif /* RT_USING_SMP && ARCH_MM_MMU */
PROVIDE(__percpu_end = .);
/* Clone the area */
. = __percpu_end + (__percpu_end - __percpu_start) * (RT_CPUS_NR - 1);
#if defined(RT_USING_SMP) && defined(ARCH_MM_MMU)
/* Align for MMU early map */
. = ALIGN(SUPPER_PAGE_SIZE);
#endif /* RT_USING_SMP && ARCH_MM_MMU */
PROVIDE(__percpu_real_end = .);
#if defined(RT_USING_SMP) && defined(ARCH_MM_MMU)
ASSERT(((__percpu_real_end - __percpu_start) / ARCH_PAGE_SIZE) <= (ARCH_PAGE_SIZE / RISCV_SZPTR), "Not enough L0 pages to map per-CPU");
#endif /* RT_USING_SMP && ARCH_MM_MMU */
}
/*
* We should make the bootloader know the size of memory we need,
* so we MUST calc the image's size with section '.percpu'.
*/
_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) }
__data_size = SIZEOF(.data);
__bss_size = SIZEOF(.bss);
}
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