1*ca987d46SWarner Losh/*- 2*ca987d46SWarner Losh * Copyright (c) 2011-2014 Robert N. M. Watson 3*ca987d46SWarner Losh * All rights reserved. 4*ca987d46SWarner Losh * 5*ca987d46SWarner Losh * This software was developed by SRI International and the University of 6*ca987d46SWarner Losh * Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237) 7*ca987d46SWarner Losh * ("CTSRD"), as part of the DARPA CRASH research programme. 8*ca987d46SWarner Losh * 9*ca987d46SWarner Losh * Redistribution and use in source and binary forms, with or without 10*ca987d46SWarner Losh * modification, are permitted provided that the following conditions 11*ca987d46SWarner Losh * are met: 12*ca987d46SWarner Losh * 1. Redistributions of source code must retain the above copyright 13*ca987d46SWarner Losh * notice, this list of conditions and the following disclaimer. 14*ca987d46SWarner Losh * 2. Redistributions in binary form must reproduce the above copyright 15*ca987d46SWarner Losh * notice, this list of conditions and the following disclaimer in the 16*ca987d46SWarner Losh * documentation and/or other materials provided with the distribution. 17*ca987d46SWarner Losh * 18*ca987d46SWarner Losh * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19*ca987d46SWarner Losh * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20*ca987d46SWarner Losh * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21*ca987d46SWarner Losh * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22*ca987d46SWarner Losh * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23*ca987d46SWarner Losh * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24*ca987d46SWarner Losh * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25*ca987d46SWarner Losh * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26*ca987d46SWarner Losh * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27*ca987d46SWarner Losh * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28*ca987d46SWarner Losh * SUCH DAMAGE. 29*ca987d46SWarner Losh * 30*ca987d46SWarner Losh * $FreeBSD$ 31*ca987d46SWarner Losh */ 32*ca987d46SWarner Losh 33*ca987d46SWarner LoshINCLUDE ../common/common.ldscript 34*ca987d46SWarner Losh 35*ca987d46SWarner Losh/* 36*ca987d46SWarner Losh * Location where loader will execute. 37*ca987d46SWarner Losh */ 38*ca987d46SWarner Losh__loader_base__ = 0x20000; 39*ca987d46SWarner Losh__loader_base_vaddr__ = __mips64_xkphys_cached__ + __loader_base__; 40*ca987d46SWarner Losh 41*ca987d46SWarner Losh/* 42*ca987d46SWarner Losh * Highest address the loader is allowed to use below the kernel. 43*ca987d46SWarner Losh */ 44*ca987d46SWarner Losh__loader_end__ = 0x100000; 45*ca987d46SWarner Losh__loader_end_vaddr__ = __mips64_xkphys_cached__ + __loader_end__; 46*ca987d46SWarner Losh 47*ca987d46SWarner LoshOUTPUT_ARCH(mips) 48*ca987d46SWarner LoshENTRY(start) 49*ca987d46SWarner LoshSECTIONS 50*ca987d46SWarner Losh{ 51*ca987d46SWarner Losh /* 52*ca987d46SWarner Losh * We rely on boot2 having (a) configured a stack, and (b) loaded us 53*ca987d46SWarner Losh * to an appropriate bit of physical/virtual memory such that no 54*ca987d46SWarner Losh * self-relocating code is required here. 55*ca987d46SWarner Losh */ 56*ca987d46SWarner Losh . = __loader_base_vaddr__; 57*ca987d46SWarner Losh . += SIZEOF_HEADERS; 58*ca987d46SWarner Losh 59*ca987d46SWarner Losh .text ALIGN(0x10): { 60*ca987d46SWarner Losh start.o(.text*) 61*ca987d46SWarner Losh *(EXCLUDE_FILE (start.o) .text*) 62*ca987d46SWarner Losh *(.rodata*) 63*ca987d46SWarner Losh 64*ca987d46SWarner Losh __start_set_Xcommand_set = .; 65*ca987d46SWarner Losh KEEP(*(set_Xcommand_set)) 66*ca987d46SWarner Losh __stop_set_Xcommand_set = .; 67*ca987d46SWarner Losh 68*ca987d46SWarner Losh __start_set_Xficl_compile_set = .; 69*ca987d46SWarner Losh KEEP(*(set_Xficl_compile_set)) 70*ca987d46SWarner Losh __stop_set_Xficl_compile_set = .; 71*ca987d46SWarner Losh } 72*ca987d46SWarner Losh .data ALIGN(0x10): { *(.data*)} 73*ca987d46SWarner Losh .bss ALIGN(0x10): { *(.bss*) } 74*ca987d46SWarner Losh 75*ca987d46SWarner Losh __heap = ALIGN(0x8); /* 64-bit aligned heap pointer */ 76*ca987d46SWarner Losh __data_end = .; 77*ca987d46SWarner Losh __boot_loader_len__ = . - __loader_base_vaddr__; 78*ca987d46SWarner Losh __bss_start = ADDR(.bss); 79*ca987d46SWarner Losh __bss_end = ALIGN(__bss_start + SIZEOF(.bss), 0x8); 80*ca987d46SWarner Losh 81*ca987d46SWarner Losh __heap_start = .; 82*ca987d46SWarner Losh __heap_end = __loader_end_vaddr__; 83*ca987d46SWarner Losh __heap_len = __heap_end - __heap_start; 84*ca987d46SWarner Losh} 85