1/*- 2 * Copyright (c) 2013 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 31#include <sys/cdefs.h> 32__FBSDID("$FreeBSD$"); 33 34#include <sys/param.h> 35 36#include <machine/elf.h> 37 38#include <stand.h> 39#include <bootstrap.h> 40#include <loader.h> 41#include <mips.h> 42 43static int beri_arch_autoload(void); 44static ssize_t beri_arch_copyin(const void *src, vm_offset_t va, size_t len); 45static ssize_t beri_arch_copyout(vm_offset_t va, void *dst, size_t len); 46static uint64_t beri_arch_loadaddr(u_int type, void *data, uint64_t addr); 47static ssize_t beri_arch_readin(readin_handle_t fd, vm_offset_t va, size_t len); 48 49struct arch_switch archsw = { 50 .arch_autoload = beri_arch_autoload, 51 .arch_getdev = beri_arch_getdev, 52 .arch_copyin = beri_arch_copyin, 53 .arch_copyout = beri_arch_copyout, 54 .arch_loadaddr = beri_arch_loadaddr, 55 .arch_readin = beri_arch_readin, 56 57}; 58 59static int 60beri_arch_autoload(void) 61{ 62 63 return (0); 64} 65 66static ssize_t 67beri_arch_copyin(const void *src, vm_offset_t va, size_t len) 68{ 69 70 memcpy((void *)va, src, len); 71 return (len); 72} 73 74static ssize_t 75beri_arch_copyout(vm_offset_t va, void *dst, size_t len) 76{ 77 78 memcpy(dst, (void *)va, len); 79 return (len); 80} 81 82static uint64_t 83beri_arch_loadaddr(u_int type, void *data, uint64_t addr) 84{ 85 uint64_t align; 86 87 /* Align ELF objects at page boundaries; others at cache lines. */ 88 align = (type == LOAD_ELF) ? PAGE_SIZE : CACHE_LINE_SIZE; 89 return (roundup2(addr, align)); 90} 91 92static ssize_t 93beri_arch_readin(readin_handle_t fd, vm_offset_t va, size_t len) 94{ 95 96 return (VECTX_READ(fd, (void *)va, len)); 97} 98