freebsd-nq/sys/boot/efi/libefi/copy.c
Doug Rabson f19fa0b627 Make this do the right thing (mostly). We should still reserve the pages
that the kernel loads into using the EFI AllocatePages call.
2001-09-14 08:26:00 +00:00

70 lines
2.2 KiB
C

/*-
* Copyright (c) 1998 Michael Smith <msmith@freebsd.org>
* All rights reserved.
*
* 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.
*/
#ifndef lint
static const char rcsid[] =
"$FreeBSD$";
#endif /* not lint */
/*
* MD primitives supporting placement of module data
*/
#include <stand.h>
#include <efi.h>
#include <efilib.h>
#include <machine/ia64_cpu.h>
int
efi_copyin(void *src, vm_offset_t dest, size_t len)
{
EFI_PHYSICAL_ADDRESS p = IA64_RR_MASK(dest);
#if 0
BS->AllocatePages(AllocateAddress, EfiRuntimeServicesData,
len >> 12, &p);
#endif
bcopy(src, (void*) p, len);
return (len);
}
int
efi_copyout(vm_offset_t src, void *dest, size_t len)
{
bcopy((void*) IA64_RR_MASK(src), dest, len);
return (len);
}
int
efi_readin(int fd, vm_offset_t dest, size_t len)
{
EFI_PHYSICAL_ADDRESS p = IA64_RR_MASK(dest);
#if 0
BS->AllocatePages(AllocateAddress, EfiRuntimeServicesData,
len >> 12, &p);
#endif
return (read(fd, (void*) p, len));
}