305 lines
6.9 KiB
ArmAsm
305 lines
6.9 KiB
ArmAsm
/***************************************************************************
|
|
*
|
|
* Copyright 2015-2019 BES.
|
|
* All rights reserved. All unpublished rights reserved.
|
|
*
|
|
* No part of this work may be used or reproduced in any form or by any
|
|
* means, or stored in a database or retrieval system, without prior written
|
|
* permission of BES.
|
|
*
|
|
* Use of this work is governed by a license granted by BES.
|
|
* This work contains confidential and proprietary information of
|
|
* BES. which is protected by copyright, trade secret,
|
|
* trademark and other intellectual property rights.
|
|
*
|
|
****************************************************************************/
|
|
|
|
#include "plat_addr_map.h"
|
|
|
|
#define HEAP_SECTION_SIZE 0x40
|
|
#define STACK_SECTION_SIZE 0x1000
|
|
#define CP_STACK_SECTION_SIZE 0x1000
|
|
|
|
/* Linker script to configure memory regions. */
|
|
MEMORY
|
|
{
|
|
ROM (rx) : ORIGIN = ROM_BASE, LENGTH = ROM_SIZE /* see plat_addr_map.h and common.mk */
|
|
RAM (rwx) : ORIGIN = RAM_BASE, LENGTH = RAM_SIZE
|
|
RAMX (rwx) : ORIGIN = RAMX_BASE, LENGTH = RAM_SIZE
|
|
#if defined(CHIP_HAS_CP) && (RAMCP_SIZE > 0)
|
|
RAMCP (rwx) : ORIGIN = RAMCP_BASE, LENGTH = RAMCP_SIZE
|
|
RAMCPX (rwx) : ORIGIN = RAMCPX_BASE, LENGTH = RAMCPX_SIZE
|
|
#endif
|
|
}
|
|
|
|
/* Library configurations */
|
|
GROUP(libgcc.a)
|
|
|
|
/* Linker script to place sections and symbol values. Should be used together
|
|
* with other linker script that defines memory regions ROM 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:
|
|
* __export_fn_rom
|
|
* __exidx_start
|
|
* __exidx_end
|
|
* __rom_etext
|
|
* __rom_data_start__
|
|
* __rom_data_end__
|
|
* __rom_bss_start__
|
|
* __rom_bss_end__
|
|
* __rom_HeapLimit
|
|
* __rom_StackLimit
|
|
* __rom_StackTop
|
|
* __rom_stack
|
|
* __Vectors_End
|
|
* __Vectors_Size
|
|
* __free_rom_ram
|
|
* __rom_end
|
|
* __free_rom
|
|
* __audio_const_rom_start
|
|
* __audio_const_rom_end
|
|
* __audio_const_rom_size
|
|
*/
|
|
ENTRY(Reset_Handler)
|
|
|
|
SECTIONS
|
|
{
|
|
.rom_text (ORIGIN(ROM)) :
|
|
{
|
|
KEEP(*(.vectors))
|
|
|
|
*(.text*)
|
|
|
|
#ifndef NOSTD
|
|
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)
|
|
#endif
|
|
|
|
. = ALIGN(4);
|
|
|
|
*(.rodata*)
|
|
|
|
#ifdef CHIP_HAS_AUDIO_CONST_ROM
|
|
__audio_const_rom_start = .;
|
|
KEEP(*audio_const_rom.o(.audio_const_index))
|
|
KEEP(*audio_const_rom.o(.rodata*))
|
|
__audio_const_rom_end = .;
|
|
__audio_const_rom_size = __audio_const_rom_end - __audio_const_rom_start;
|
|
#endif
|
|
#ifndef NOSTD
|
|
KEEP(*(.eh_frame*))
|
|
#endif
|
|
*(.note.gnu.build-id)
|
|
|
|
. = ALIGN(4);
|
|
} > ROM
|
|
|
|
.rom_got_info (.) :
|
|
{
|
|
__rom_got_info_start = .;
|
|
__rom_got_start = .;
|
|
*(.got)
|
|
. = ALIGN(4);
|
|
__rom_got_end = .;
|
|
__rom_got_plt_start = .;
|
|
*(.got.plt)
|
|
. = ALIGN(4);
|
|
__rom_igot_plt_start = .;
|
|
*(.igot.plt)
|
|
. = ALIGN(4);
|
|
__rom_dynamic_start = .;
|
|
*(.dynamic)
|
|
. = ALIGN(4);
|
|
__rom_got_info_end = .;
|
|
} > ROM
|
|
|
|
.ARM.extab (.) :
|
|
{
|
|
*(.ARM.extab* .gnu.linkonce.armextab.*)
|
|
} > ROM
|
|
|
|
__exidx_start = .;
|
|
.ARM.exidx (.) :
|
|
{
|
|
*(.ARM.exidx* .gnu.linkonce.armexidx.*)
|
|
} > ROM
|
|
__exidx_end = .;
|
|
|
|
. = ALIGN(4);
|
|
__rom_text0_end = .;
|
|
|
|
.vector_table (ORIGIN(RAM)) (NOLOAD) :
|
|
{
|
|
KEEP(*(.vector_table))
|
|
. = VECTOR_SECTION_SIZE;
|
|
. = ALIGN(4);
|
|
} > RAM
|
|
|
|
.reboot_param (.) (NOLOAD) :
|
|
{
|
|
KEEP(*(.reboot_param))
|
|
. = REBOOT_PARAM_SECTION_SIZE;
|
|
. = ALIGN(4);
|
|
} > RAM
|
|
|
|
.rom_ramx (RAM_TO_RAMX(.)) : AT (__rom_text0_end)
|
|
{
|
|
__rom_ramx_start = .;
|
|
*(.rom_ramx)
|
|
. = ALIGN(4);
|
|
__rom_ramx_end = .;
|
|
} > RAMX
|
|
|
|
__rom_etext = __rom_text0_end + SIZEOF(.rom_ramx);
|
|
|
|
.rom_data (RAMX_TO_RAM(.)) : AT (__rom_etext)
|
|
{
|
|
__rom_data_start__ = .;
|
|
|
|
*(.data*)
|
|
. = ALIGN(4);
|
|
|
|
#ifndef NOSTD
|
|
*(vtable)
|
|
|
|
. = 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);
|
|
#endif
|
|
|
|
/* All data end */
|
|
__rom_data_end__ = .;
|
|
} > RAM
|
|
|
|
.rom_bss (.) (NOLOAD) : AT (ADDR(.rom_bss))
|
|
{
|
|
. = ALIGN(4);
|
|
__rom_bss_start__ = .;
|
|
*(.bss*)
|
|
*(COMMON)
|
|
. = ALIGN(4);
|
|
__rom_bss_end__ = .;
|
|
#ifndef NOSTD
|
|
__bss_start__ = __rom_bss_start__;
|
|
__bss_end__ = __rom_bss_end__;
|
|
#endif
|
|
} > RAM
|
|
|
|
.rom_heap (.) (NOLOAD) :
|
|
{
|
|
. = ALIGN(8);
|
|
__rom_HeapBase = .;
|
|
#ifndef NOSTD
|
|
__end__ = .;
|
|
end = __end__;
|
|
. += HEAP_SECTION_SIZE;
|
|
#endif
|
|
. = ALIGN(8);
|
|
__rom_HeapLimit = .;
|
|
} > RAM
|
|
|
|
.scratch_buf (.) (NOLOAD) :
|
|
{
|
|
. = ALIGN(4);
|
|
*(.scratch_buf)
|
|
. = ALIGN(4);
|
|
} > 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 */
|
|
.rom_stack_dummy (.) (COPY) :
|
|
{
|
|
. = STACK_SECTION_SIZE;
|
|
. = ALIGN(8);
|
|
} > RAM
|
|
|
|
/* Set stack top to end of RAM, and stack limit move down by
|
|
* size of stack_dummy section */
|
|
__rom_StackTop = ORIGIN(RAM) + LENGTH(RAM);
|
|
__rom_StackLimit = __rom_StackTop - SIZEOF(.rom_stack_dummy);
|
|
PROVIDE(__rom_stack = __rom_StackTop);
|
|
#ifndef NOSTD
|
|
__StackTop = __rom_StackTop;
|
|
PROVIDE(__stack = __rom_StackTop);
|
|
#endif
|
|
|
|
/* Check if data + heap + stack exceeds RAM limit */
|
|
ASSERT(__rom_StackLimit >= __rom_HeapLimit, "region RAM overflowed with stack")
|
|
__free_rom_ram = __rom_StackLimit - __rom_HeapLimit;
|
|
|
|
__rom_end = __rom_etext + SIZEOF(.rom_data);
|
|
|
|
#if defined(CHIP_HAS_CP) && (RAMCP_SIZE > 0)
|
|
.cp_ramx_last_dummy (NOLOAD) :
|
|
{
|
|
__cp_ramx_last_dummy_start = .;
|
|
} > RAMCPX
|
|
|
|
.cp_ram_last_dummy (NOLOAD) :
|
|
{
|
|
. = ALIGN(8);
|
|
__cp_ram_last_dummy_start = .;
|
|
} > RAMCP
|
|
|
|
__cp_stack_top = ORIGIN(RAMCP) + LENGTH(RAMCP);
|
|
__cp_stack_limit = __cp_stack_top - CP_STACK_SECTION_SIZE;
|
|
|
|
__free_ramcpx = ORIGIN(RAMCPX) + LENGTH(RAMCPX) - __cp_ramx_last_dummy_start;
|
|
ASSERT(__cp_stack_limit >= __cp_ram_last_dummy_start, "region RAMCP overflowed with stack")
|
|
__free_ramcp = __cp_stack_limit - __cp_ram_last_dummy_start;
|
|
#endif
|
|
|
|
.rom_export_fn (ORIGIN(ROM) + LENGTH(ROM) - ROM_BUILD_INFO_SECTION_SIZE - ROM_EXPORT_FN_SECTION_SIZE) :
|
|
{
|
|
__export_fn_rom = .;
|
|
KEEP(*(.export_fn))
|
|
. = ROM_EXPORT_FN_SECTION_SIZE;
|
|
} > ROM = 0x00000000
|
|
|
|
.rom_build_info (ORIGIN(ROM) + LENGTH(ROM) - ROM_BUILD_INFO_SECTION_SIZE) :
|
|
{
|
|
KEEP(*(.build_info))
|
|
. = ROM_BUILD_INFO_SECTION_SIZE;
|
|
} > ROM = 0x00000000
|
|
|
|
ASSERT(ADDR(.rom_export_fn) >= __rom_end, "region ROM overflowed with .rom_export_fn")
|
|
__free_rom = ADDR(.rom_export_fn) - __rom_end;
|
|
}
|
|
|