199767f8919635c4928607450d9e0abb932109ceToomas Soome * Copyright (c) 2013 The FreeBSD Foundation
199767f8919635c4928607450d9e0abb932109ceToomas Soome * All rights reserved.
199767f8919635c4928607450d9e0abb932109ceToomas Soome * This software was developed by Benno Rice under sponsorship from
199767f8919635c4928607450d9e0abb932109ceToomas Soome * the FreeBSD Foundation.
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Redistribution and use in source and binary forms, with or without
199767f8919635c4928607450d9e0abb932109ceToomas Soome * modification, are permitted provided that the following conditions
199767f8919635c4928607450d9e0abb932109ceToomas Soome * 1. Redistributions of source code must retain the above copyright
199767f8919635c4928607450d9e0abb932109ceToomas Soome * notice, this list of conditions and the following disclaimer.
199767f8919635c4928607450d9e0abb932109ceToomas Soome * 2. Redistributions in binary form must reproduce the above copyright
199767f8919635c4928607450d9e0abb932109ceToomas Soome * notice, this list of conditions and the following disclaimer in the
199767f8919635c4928607450d9e0abb932109ceToomas Soome * documentation and/or other materials provided with the distribution.
199767f8919635c4928607450d9e0abb932109ceToomas Soome * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
199767f8919635c4928607450d9e0abb932109ceToomas Soome * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
199767f8919635c4928607450d9e0abb932109ceToomas Soome * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
199767f8919635c4928607450d9e0abb932109ceToomas Soome * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
199767f8919635c4928607450d9e0abb932109ceToomas Soome * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
199767f8919635c4928607450d9e0abb932109ceToomas Soome * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
199767f8919635c4928607450d9e0abb932109ceToomas Soome * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
199767f8919635c4928607450d9e0abb932109ceToomas Soome * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
199767f8919635c4928607450d9e0abb932109ceToomas Soome * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
199767f8919635c4928607450d9e0abb932109ceToomas Soome * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
199767f8919635c4928607450d9e0abb932109ceToomas Soome * SUCH DAMAGE.
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define STAGE_PAGES EFI_SIZE_TO_PAGES((EFI_STAGING_SIZE) * 1024 * 1024)
199767f8919635c4928607450d9e0abb932109ceToomas Soome status = BS->AllocatePages(AllocateAnyPages, EfiLoaderData,
199767f8919635c4928607450d9e0abb932109ceToomas Soome printf("failed to allocate staging area: %lu\n",
199767f8919635c4928607450d9e0abb932109ceToomas Soome staging_end = staging + STAGE_PAGES * EFI_PAGE_SIZE;
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Round the kernel load address to a 2MiB value. This is needed
199767f8919635c4928607450d9e0abb932109ceToomas Soome * because the kernel builds a page table based on where it has
199767f8919635c4928607450d9e0abb932109ceToomas Soome * been loaded in physical address space. As the kernel will use
199767f8919635c4928607450d9e0abb932109ceToomas Soome * either a 1MiB or 2MiB page for this we need to make sure it
199767f8919635c4928607450d9e0abb932109ceToomas Soome * is correctly aligned for both cases.
199767f8919635c4928607450d9e0abb932109ceToomas Soomeefi_copyin(const void *src, vm_offset_t dest, const size_t len)
199767f8919635c4928607450d9e0abb932109ceToomas Soome /* XXX: Callers do not check for failure. */
199767f8919635c4928607450d9e0abb932109ceToomas Soome return (-1);
199767f8919635c4928607450d9e0abb932109ceToomas Soome bcopy(src, (void *)(dest + stage_offset), len);
199767f8919635c4928607450d9e0abb932109ceToomas Soomeefi_copyout(const vm_offset_t src, void *dest, const size_t len)
199767f8919635c4928607450d9e0abb932109ceToomas Soome /* XXX: Callers do not check for failure. */
199767f8919635c4928607450d9e0abb932109ceToomas Soome return (-1);
199767f8919635c4928607450d9e0abb932109ceToomas Soome bcopy((void *)(src + stage_offset), dest, len);
199767f8919635c4928607450d9e0abb932109ceToomas Soomeefi_readin(const int fd, vm_offset_t dest, const size_t len)
199767f8919635c4928607450d9e0abb932109ceToomas Soome return (-1);
199767f8919635c4928607450d9e0abb932109ceToomas Soome return (read(fd, (void *)(dest + stage_offset), len));