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efibootaa64.c revision 1.1 
      1 /*	$NetBSD: efibootaa64.c,v 1.1 2018/08/24 02:01:06 jmcneill Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2016 Kimihiro Nonaka <nonaka (at) netbsd.org>
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  * SUCH DAMAGE.
     27  */
     28 
     29 #include "../efiboot.h"
     30 #include "../efifdt.h"
     31 
     32 #include <sys/bootblock.h>
     33 
     34 #include <loadfile.h>
     35 
     36 /* cache.S */
     37 void aarch64_dcache_wbinv_range(vaddr_t, vsize_t);
     38 void aarch64_icache_inv_all(void);
     39 
     40 void
     41 efi_boot_kernel(u_long marks[MARK_MAX])
     42 {
     43 	void (*kernel_entry)(register_t, register_t, register_t, register_t);
     44 	u_long kernel_size;
     45 
     46 	kernel_entry = (void *)marks[MARK_ENTRY];
     47 	kernel_size = marks[MARK_END] - marks[MARK_START];
     48 
     49 	aarch64_dcache_wbinv_range((u_long)kernel_entry, kernel_size);
     50 	if (efi_fdt_size() > 0)
     51 		aarch64_dcache_wbinv_range((u_long)efi_fdt_data(), efi_fdt_size());
     52 	aarch64_icache_inv_all();
     53 
     54 	kernel_entry((register_t)efi_fdt_data(), 0, 0, 0);
     55 }
     56