mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-14 07:13:03 +00:00
156 lines
3.4 KiB
ArmAsm
156 lines
3.4 KiB
ArmAsm
/*
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* U-boot - u-boot.lds.S
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*
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* Copyright (c) 2005-2008 Analog Device Inc.
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*
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* (C) Copyright 2000-2004
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <config.h>
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#include <asm/blackfin.h>
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#undef ALIGN
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#undef ENTRY
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#undef bfin
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#ifndef LDS_BOARD_TEXT
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# define LDS_BOARD_TEXT
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#endif
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/* If we don't actually load anything into L1 data, this will avoid
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* a syntax error. If we do actually load something into L1 data,
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* we'll get a linker memory load error (which is what we'd want).
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* This is here in the first place so we can quickly test building
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* for different CPU's which may lack non-cache L1 data.
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*/
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#ifndef L1_DATA_B_SRAM
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# define L1_DATA_B_SRAM CONFIG_SYS_MONITOR_BASE
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# define L1_DATA_B_SRAM_SIZE 0
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#endif
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/* The 0xC offset is so we don't clobber the tiny LDR jump block. */
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#ifdef CONFIG_BFIN_BOOTROM_USES_EVT1
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# define L1_CODE_ORIGIN L1_INST_SRAM
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#else
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# define L1_CODE_ORIGIN L1_INST_SRAM + 0xC
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#endif
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OUTPUT_ARCH(bfin)
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MEMORY
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{
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#if CONFIG_MEM_SIZE
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ram : ORIGIN = CONFIG_SYS_MONITOR_BASE, LENGTH = CONFIG_SYS_MONITOR_LEN
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# define ram_code ram
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# define ram_data ram
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#else
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# define ram_code l1_code
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# define ram_data l1_data
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#endif
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l1_code : ORIGIN = L1_CODE_ORIGIN, LENGTH = L1_INST_SRAM_SIZE
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l1_data : ORIGIN = L1_DATA_B_SRAM, LENGTH = L1_DATA_B_SRAM_SIZE
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}
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ENTRY(_start)
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SECTIONS
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{
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.text.pre :
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{
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cpu/blackfin/start.o (.text .text.*)
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LDS_BOARD_TEXT
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} >ram_code
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.text.init :
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{
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cpu/blackfin/initcode.o (.text .text.*)
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} >ram_code
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__initcode_lma = LOADADDR(.text.init);
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__initcode_len = SIZEOF(.text.init);
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.text :
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{
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*(.text .text.*)
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} >ram_code
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.rodata :
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{
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. = ALIGN(4);
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*(.rodata .rodata.*)
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*(.rodata1)
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*(.eh_frame)
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. = ALIGN(4);
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} >ram_data
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.data :
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{
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. = ALIGN(256);
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*(.data .data.*)
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*(.data1)
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*(.sdata)
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*(.sdata2)
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*(.dynamic)
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CONSTRUCTORS
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} >ram_data
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.u_boot_cmd :
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{
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___u_boot_cmd_start = .;
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*(.u_boot_cmd)
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___u_boot_cmd_end = .;
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} >ram_data
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.text_l1 :
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{
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. = ALIGN(4);
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__stext_l1 = .;
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*(.l1.text)
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. = ALIGN(4);
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__etext_l1 = .;
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} >l1_code AT>ram_code
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__text_l1_lma = LOADADDR(.text_l1);
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__text_l1_len = SIZEOF(.text_l1);
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ASSERT (__text_l1_len <= L1_INST_SRAM_SIZE, "L1 text overflow!")
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.data_l1 :
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{
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. = ALIGN(4);
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__sdata_l1 = .;
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*(.l1.data)
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*(.l1.bss)
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. = ALIGN(4);
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__edata_l1 = .;
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} >l1_data AT>ram_data
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__data_l1_lma = LOADADDR(.data_l1);
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__data_l1_len = SIZEOF(.data_l1);
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ASSERT (__data_l1_len <= L1_DATA_B_SRAM_SIZE, "L1 data B overflow!")
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.bss :
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{
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. = ALIGN(4);
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*(.sbss) *(.scommon)
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*(.dynbss)
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*(.bss .bss.*)
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*(COMMON)
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} >ram_data
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__bss_vma = ADDR(.bss);
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__bss_len = SIZEOF(.bss);
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}
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