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      1 /* $NetBSD: efibootarm.c,v 1.5 2024/09/18 19:43:29 skrll Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2019 Jared McNeill <jmcneill (at) invisible.ca>
      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 armv7_dcache_wbinv_range(vaddr_t, vsize_t);
     38 void armv7_dcache_wbinv_all(void);
     39 void armv7_icache_inv_all(void);
     40 void armv7_exec_kernel(register_t, register_t);
     41 
     42 void
     43 efi_dcache_flush(u_long start, u_long size)
     44 {
     45 	armv7_dcache_wbinv_range(start, size);
     46 }
     47 
     48 void
     49 efi_boot_kernel(u_long marks[MARK_MAX])
     50 {
     51 	armv7_dcache_wbinv_all();
     52 	armv7_icache_inv_all();
     53 
     54 	armv7_exec_kernel((register_t)marks[MARK_ENTRY], (register_t)efi_fdt_data());
     55 }
     56 
     57 void
     58 efi_md_show(void)
     59 {
     60 }
     61 
     62 int
     63 efi_md_prepare_boot(const char *fname, const char *args, u_long *marks)
     64 {
     65         return 0;
     66 }
     67