2 * Copyright (c) 2011-2014 Robert N. M. Watson
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.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
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.
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
33 INCLUDE ../common/common.ldscript
36 * Location where loader will execute.
38 __loader_base__ = 0x20000;
39 __loader_base_vaddr__ = __mips64_xkphys_cached__ + __loader_base__;
42 * Highest address the loader is allowed to use below the kernel.
44 __loader_end__ = 0x100000;
45 __loader_end_vaddr__ = __mips64_xkphys_cached__ + __loader_end__;
52 * We rely on boot2 having (a) configured a stack, and (b) loaded us
53 * to an appropriate bit of physical/virtual memory such that no
54 * self-relocating code is required here.
56 . = __loader_base_vaddr__;
61 *(EXCLUDE_FILE (start.o) .text*)
64 __start_set_Xcommand_set = .;
65 KEEP(*(set_Xcommand_set))
66 __stop_set_Xcommand_set = .;
68 __start_set_Xficl_compile_set = .;
69 KEEP(*(set_Xficl_compile_set))
70 __stop_set_Xficl_compile_set = .;
72 .data ALIGN(0x10): { *(.data*)}
73 .bss ALIGN(0x10): { *(.bss*) }
75 __heap = ALIGN(0x8); /* 64-bit aligned heap pointer */
77 __boot_loader_len__ = . - __loader_base_vaddr__;
78 __bss_start = ADDR(.bss);
79 __bss_end = ALIGN(__bss_start + SIZEOF(.bss), 0x8);
82 __heap_end = __loader_end_vaddr__;
83 __heap_len = __heap_end - __heap_start;