flashboot.ldscript revision 262197 
1/*-
2 * Copyright (c) 2011-2014 Robert N. M. Watson
3 * All rights reserved.
4 *
5 * This software was developed by SRI International and the University of
6 * Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237)
7 * ("CTSRD"), as part of the DARPA CRASH research programme.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 *
30 * $FreeBSD: head/sys/boot/mips/beri/boot2/flashboot.ldscript 262197 2014-02-18 23:18:32Z rwatson $
31 */
32
33INCLUDE ../common/common.ldscript
34
35/*
36 * When boot2 is loaded via JTAG, it's dropped at 0x10000, and will not need
37 * to self-relocate, since it will be in DRAM.
38 */
39__boot2_base__ = 0x100000;
40__boot2_base_vaddr__ = __mips64_xkphys_cached__ + __boot2_base__;
41
42/*
43 * XXXRW: Currently, miniboot interprets the ELF header rather than jumping
44 * straight into the loader.  For now, give the location where we know it will
45 * be.
46 */
47ENTRY(prerelocate_start)
48SECTIONS
49{
50	. = __boot2_base_vaddr__;
51	. += SIZEOF_HEADERS;
52	.text ALIGN(0x8): {
53		relocate.o(.text)
54		start.o(.text)
55		*(EXCLUDE_FILE (relocate.o start.o) .text)
56	}
57	.data ALIGN(0x8): { *(.data)}
58	.bss ALIGN(0x8): { *(.bss) }
59
60	__heap = ALIGN(0x8);	/* 64-bit aligned heap pointer */
61	__data_end = .;
62	__boot_loader_len__ = . - __boot2_base_vaddr__;
63	__bss_start = ADDR(.bss);
64	__bss_end = ALIGN(__bss_start + SIZEOF(.bss), 0x8);
65}
66