206 lines
4.5 KiB
Plaintext
206 lines
4.5 KiB
Plaintext
/****************************************************************************
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* boards/sparc/bm3803/xx3803/scripts/linksparc.ld
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/*
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* The memory map looks like this:
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* +--------------------+ <- low memory
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* | .text |
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* | etext |
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* | ctor list | the ctor and dtor lists are for
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* | dtor list | C++ support
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* | _endtext |
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* +--------------------+
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* | .data | initialized data goes here
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* | _sdata |
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* | _edata |
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* +--------------------+
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* | .bss |
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* | __bss_start | start of bss, cleared by crt0
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* | _end | start of heap, used by sbrk()
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* +--------------------+
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* | heap space |
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* | _ENDHEAP |
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* | stack space |
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* | __stack | top of stack
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* +--------------------+ <- high memory
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*/
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/*
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* User modifiable values:
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*
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* _CLOCK_SPEED in Mhz (used to program the counter/timers)
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*
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* _PROM_SIZE size of PROM (permissible values are 128K, 256K,
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* 512K, 1M, 2M, 4M, 8M and 16M)
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* _RAM_SIZE size of RAM (permissible values are 256K, 512K,
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* 1M, 2M, 4M, 8M, 16M, and 32M)
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*
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*/
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/* Default values, can be overridden */
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_PROM_SIZE = 4M;
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/*_RAM_SIZE = 512K;*/
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_RAM_SIZE = 1M;
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_RAM_START = 0x40000000;
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_RAM_END = _RAM_START + _RAM_SIZE;
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_PROM_START = 0x00000000;
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_PROM_END = _PROM_START + _PROM_SIZE;
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/*
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* Alternate names without leading _.
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*/
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PROM_START = _PROM_START;
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PROM_SIZE = _PROM_SIZE;
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PROM_END = _PROM_END;
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RAM_START = _RAM_START;
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RAM_SIZE = _RAM_SIZE;
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RAM_END = _RAM_END;
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/*
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PROVIDE (__stack = _RAM_END); //move to the file of stack.ld
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*/
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__stack = _RAM_END;
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/*
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* Base address of the on-CPU peripherals
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*/
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_BM3803_REG = 0x80000000;
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BM3803_REG = 0x80000000;
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/* these are the maximum values */
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MEMORY
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{
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rom (rx) : ORIGIN = 0x00000000, LENGTH = 4M
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ram (rw!x) : ORIGIN = 0x40000000, LENGTH = 1M
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}
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OUTPUT_FORMAT("elf32-sparc")
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OUTPUT_ARCH(sparc)
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__DYNAMIC = 0;
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ENTRY(__start)
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/*
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* stick everything in ram (of course)
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*/
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SECTIONS
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{
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.text :
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{
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CREATE_OBJECT_SYMBOLS
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text_start = .;
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_text_start = .;
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*(.text)
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. = ALIGN (16);
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*(.eh_frame)
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. = ALIGN (16);
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/* *(.gnu.linkonce.t*) */
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/*
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* C++ constructors
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*/
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__CTOR_LIST__ = .;
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LONG((__CTOR_END__ - __CTOR_LIST__) / 4 - 2)
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*(.ctors)
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LONG(0)
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__CTOR_END__ = .;
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__DTOR_LIST__ = .;
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LONG((__DTOR_END__ - __DTOR_LIST__) / 4 - 2)
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*(.dtors)
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LONG(0)
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__DTOR_END__ = .;
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_rodata_start = . ;
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*(.rodata*)
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/* *(.gnu.linkonce.r*) */
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_erodata = ALIGN( 0x10 ) ;
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etext = ALIGN(0x10);
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_etext = .;
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*(.init)
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*(.fini)
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*(.lit)
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*(.shdata)
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. = ALIGN (16);
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_endtext = .;
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} >ram
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/*
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.dynamic : { *(.dynamic) } >ram
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.got : { *(.got) } >ram
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.plt : { *(.plt) } >ram
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.hash : { *(.hash) } >ram
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.dynrel : { *(.dynrel) } >ram
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.dynsym : { *(.dynsym) } >ram
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.dynstr : { *(.dynstr) } >ram
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.hash : { *(.hash) } >ram
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*/
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.data :
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{
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data_start = .;
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_data_start = .;
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_sdata = . ;
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*(.data)
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/*
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*(.gnu.linkonce.d*)
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*(.gcc_except_table)
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*/
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. = ALIGN(0x10);
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edata = .;
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_edata = .;
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} > ram
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.shbss :
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{
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*(.shbss)
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}
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.bss :
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{
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__bss_start = ALIGN(0x10);
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_bss_start = .;
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bss_start = .;
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*(.bss)
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*(COMMON)
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end = .;
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_end = ALIGN(0x10);
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__end = ALIGN(0x10);
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} > ram
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.jcr . (NOLOAD) : { *(.jcr) }
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.stab . (NOLOAD) :
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{
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[ .stab ]
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}
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.stabstr . (NOLOAD) :
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{
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[ .stabstr ]
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}
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}
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