d9c9c81c08
rounddown2 tends to produce longer lines than the original code and when the code has a high indentation level it was not really advantageous to do the replacement. This tries to strike a balance between readability using the macros and flexibility of having the expressions, so not everything is converted.
98 lines
2.9 KiB
C
98 lines
2.9 KiB
C
/*-
|
|
* Copyright (c) 2013 Robert N. M. Watson
|
|
* All rights reserved.
|
|
*
|
|
* This software was developed by SRI International and the University of
|
|
* Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237)
|
|
* ("CTSRD"), as part of the DARPA CRASH research programme.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <sys/param.h>
|
|
|
|
#include <machine/elf.h>
|
|
|
|
#include <stand.h>
|
|
#include <bootstrap.h>
|
|
#include <loader.h>
|
|
#include <mips.h>
|
|
|
|
static int beri_arch_autoload(void);
|
|
static ssize_t beri_arch_copyin(const void *src, vm_offset_t va, size_t len);
|
|
static ssize_t beri_arch_copyout(vm_offset_t va, void *dst, size_t len);
|
|
static uint64_t beri_arch_loadaddr(u_int type, void *data, uint64_t addr);
|
|
static ssize_t beri_arch_readin(int fd, vm_offset_t va, size_t len);
|
|
|
|
struct arch_switch archsw = {
|
|
.arch_autoload = beri_arch_autoload,
|
|
.arch_getdev = beri_arch_getdev,
|
|
.arch_copyin = beri_arch_copyin,
|
|
.arch_copyout = beri_arch_copyout,
|
|
.arch_loadaddr = beri_arch_loadaddr,
|
|
.arch_readin = beri_arch_readin,
|
|
|
|
};
|
|
|
|
static int
|
|
beri_arch_autoload(void)
|
|
{
|
|
|
|
return (0);
|
|
}
|
|
|
|
static ssize_t
|
|
beri_arch_copyin(const void *src, vm_offset_t va, size_t len)
|
|
{
|
|
|
|
memcpy((void *)va, src, len);
|
|
return (len);
|
|
}
|
|
|
|
static ssize_t
|
|
beri_arch_copyout(vm_offset_t va, void *dst, size_t len)
|
|
{
|
|
|
|
memcpy(dst, (void *)va, len);
|
|
return (len);
|
|
}
|
|
|
|
static uint64_t
|
|
beri_arch_loadaddr(u_int type, void *data, uint64_t addr)
|
|
{
|
|
uint64_t align;
|
|
|
|
/* Align ELF objects at page boundaries; others at cache lines. */
|
|
align = (type == LOAD_ELF) ? PAGE_SIZE : CACHE_LINE_SIZE;
|
|
return (roundup2(addr, align));
|
|
}
|
|
|
|
static ssize_t
|
|
beri_arch_readin(int fd, vm_offset_t va, size_t len)
|
|
{
|
|
|
|
return (read(fd, (void *)va, len));
|
|
}
|