98 lines
2.9 KiB
C
98 lines
2.9 KiB
C
/*-
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* Copyright (c) 2013 Robert N. M. Watson
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* All rights reserved.
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*
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* This software was developed by SRI International and the University of
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* Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237)
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* ("CTSRD"), as part of the DARPA CRASH research programme.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <machine/elf.h>
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#include <stand.h>
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#include <bootstrap.h>
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#include <loader.h>
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#include <mips.h>
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static int beri_arch_autoload(void);
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static ssize_t beri_arch_copyin(const void *src, vm_offset_t va, size_t len);
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static ssize_t beri_arch_copyout(vm_offset_t va, void *dst, size_t len);
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static uint64_t beri_arch_loadaddr(u_int type, void *data, uint64_t addr);
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static ssize_t beri_arch_readin(int fd, vm_offset_t va, size_t len);
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struct arch_switch archsw = {
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.arch_autoload = beri_arch_autoload,
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.arch_getdev = beri_arch_getdev,
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.arch_copyin = beri_arch_copyin,
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.arch_copyout = beri_arch_copyout,
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.arch_loadaddr = beri_arch_loadaddr,
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.arch_readin = beri_arch_readin,
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};
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static int
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beri_arch_autoload(void)
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{
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return (0);
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}
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static ssize_t
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beri_arch_copyin(const void *src, vm_offset_t va, size_t len)
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{
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memcpy((void *)va, src, len);
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return (len);
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}
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static ssize_t
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beri_arch_copyout(vm_offset_t va, void *dst, size_t len)
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{
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memcpy(dst, (void *)va, len);
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return (len);
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}
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static uint64_t
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beri_arch_loadaddr(u_int type, void *data, uint64_t addr)
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{
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uint64_t align;
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/* Align ELF objects at page boundaries; others at cache lines. */
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align = (type == LOAD_ELF) ? PAGE_SIZE : CACHE_LINE_SIZE;
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return (roundup2(addr, align));
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}
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static ssize_t
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beri_arch_readin(int fd, vm_offset_t va, size_t len)
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{
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return (read(fd, (void *)va, len));
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}
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