/* $NetBSD: efibootia32.c,v 1.8 2023/06/19 04:30:27 rin Exp $ */
/*-
* Copyright (c) 2016 Kimihiro Nonaka <
[email protected]>
* 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 REGENTS 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 REGENTS 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 "efiboot.h"
#include <sys/bootblock.h>
void startprog32_start(physaddr_t, uint32_t, uint32_t *, physaddr_t,
physaddr_t, physaddr_t, u_long, void *);
extern void (*startprog32)(physaddr_t, uint32_t, uint32_t *, physaddr_t,
physaddr_t, physaddr_t, u_long, void *);
extern u_int startprog32_size;
void multiboot32_start(physaddr_t, physaddr_t, uint32_t);
extern void (*multiboot32)(physaddr_t, physaddr_t, uint32_t);
extern u_int multiboot32_size;
void
efi_md_init(void)
{
EFI_STATUS status;
EFI_PHYSICAL_ADDRESS addr = EFI_ALLOCATE_MAX_ADDRESS;
u_int sz = EFI_SIZE_TO_PAGES(startprog32_size);
addr = EFI_ALLOCATE_MAX_ADDRESS;
sz = EFI_SIZE_TO_PAGES(startprog32_size);
status = uefi_call_wrapper(BS->AllocatePages, 4, AllocateMaxAddress,
EfiLoaderData, sz, &addr);
if (EFI_ERROR(status))
panic("%s: AllocatePages() failed: %d page(s): %" PRIxMAX,
__func__, sz, (uintmax_t)status);
startprog32 = (void *)(u_long)addr;
CopyMem(startprog32, startprog32_start, startprog32_size);
addr = EFI_ALLOCATE_MAX_ADDRESS;
sz = EFI_SIZE_TO_PAGES(multiboot32_size);
status = uefi_call_wrapper(BS->AllocatePages, 4, AllocateMaxAddress,
EfiLoaderData, sz, &addr);
if (EFI_ERROR(status))
panic("%s: AllocatePages() failed: %d page(s): %" PRIxMAX,
__func__, sz, (uintmax_t)status);
multiboot32 = (void *)(u_long)addr;
CopyMem(multiboot32, multiboot32_start, multiboot32_size);
}
/* ARGSUSED */
void
startprog(physaddr_t entry, uint32_t argc, uint32_t *argv, physaddr_t sp)
{
(*startprog32)(entry, argc, argv,
(physaddr_t)startprog32 + startprog32_size,
efi_kernel_start, efi_load_start,
efi_kernel_size, startprog32);
}
/* ARGSUSED */
void
multiboot(physaddr_t entry, physaddr_t header, physaddr_t sp, uint32_t magic)
{
(*multiboot32)(entry, header, magic);
}
