efiboot/bootia32/efibootia32.c

1.4  nonaka /*	$NetBSD: efibootia32.c,v 1.4 2018/03/27 14:15:05 nonaka Exp $	*/
1.1  nonaka
1.1  nonaka /*-
1.1  nonaka  * Copyright (c) 2016 Kimihiro Nonaka <nonaka (at) netbsd.org>
1.1  nonaka  * All rights reserved.
1.1  nonaka  *
1.1  nonaka  * Redistribution and use in source and binary forms, with or without
1.1  nonaka  * modification, are permitted provided that the following conditions
1.1  nonaka  * are met:
1.1  nonaka  * 1. Redistributions of source code must retain the above copyright
1.1  nonaka  *    notice, this list of conditions and the following disclaimer.
1.1  nonaka  * 2. Redistributions in binary form must reproduce the above copyright
1.1  nonaka  *    notice, this list of conditions and the following disclaimer in the
1.1  nonaka  *    documentation and/or other materials provided with the distribution.
1.1  nonaka  *
1.1  nonaka  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
1.1  nonaka  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
1.1  nonaka  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
1.1  nonaka  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
1.1  nonaka  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
1.1  nonaka  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
1.1  nonaka  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
1.1  nonaka  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
1.1  nonaka  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
1.1  nonaka  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
1.1  nonaka  * SUCH DAMAGE.
1.1  nonaka  */
1.1  nonaka
1.1  nonaka #include "efiboot.h"
1.1  nonaka
1.1  nonaka #include <sys/bootblock.h>
1.1  nonaka
1.2  nonaka void startprog32_start(physaddr_t, uint32_t, uint32_t *, physaddr_t,
1.2  nonaka     physaddr_t, physaddr_t, u_long, void *);
1.2  nonaka extern void (*startprog32)(physaddr_t, uint32_t, uint32_t *, physaddr_t,
1.2  nonaka     physaddr_t, physaddr_t, u_long, void *);
1.2  nonaka extern u_int startprog32_size;
1.2  nonaka
1.1  nonaka void
1.1  nonaka efi_md_init(void)
1.1  nonaka {
1.2  nonaka 	EFI_STATUS status;
1.2  nonaka 	EFI_PHYSICAL_ADDRESS addr = EFI_ALLOCATE_MAX_ADDRESS;
1.2  nonaka 	u_int sz = EFI_SIZE_TO_PAGES(startprog32_size);
1.2  nonaka
1.2  nonaka 	status = uefi_call_wrapper(BS->AllocatePages, 4, AllocateMaxAddress,
1.2  nonaka 	    EfiLoaderData, sz, &addr);
1.2  nonaka 	if (EFI_ERROR(status))
1.4  nonaka 		panic("%s: AllocatePages() failed: %d page(s): %" PRIxMAX,
1.4  nonaka 		    __func__, sz, (uintmax_t)status);
1.2  nonaka 	startprog32 = (void *)(u_long)addr;
1.2  nonaka 	CopyMem(startprog32, startprog32_start, startprog32_size);
1.1  nonaka }
1.1  nonaka
1.2  nonaka /* ARGSUSED */
1.1  nonaka void
1.1  nonaka startprog(physaddr_t entry, uint32_t argc, uint32_t *argv, physaddr_t sp)
1.1  nonaka {
1.2  nonaka
1.2  nonaka 	(*startprog32)(entry, argc, argv,
1.2  nonaka 	    (physaddr_t)startprog32 + startprog32_size,
1.2  nonaka 	    efi_kernel_start, efi_kernel_start + efi_loadaddr,
1.2  nonaka 	    efi_kernel_size, startprog32);
1.1  nonaka }
1.1  nonaka
1.2  nonaka /* ARGSUSED */
1.1  nonaka void
1.1  nonaka multiboot(physaddr_t entry, physaddr_t header, physaddr_t sp)
1.1  nonaka {
1.4  nonaka 	panic("%s: not implemented", __func__);
1.1  nonaka }