1 /* $NetBSD: efibootarm.c,v 1.3 2020/11/28 14:02:09 jmcneill Exp $ */ 2 3 /*- 4 * Copyright (c) 2019 Jared McNeill <jmcneill@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_icache_inv_all(void); 39 void armv7_exec_kernel(register_t, register_t); 40 41 void 42 efi_dcache_flush(u_long start, u_long size) 43 { 44 armv7_dcache_wbinv_range(start, size); 45 } 46 47 void 48 efi_boot_kernel(u_long marks[MARK_MAX]) 49 { 50 u_long kernel_size; 51 52 kernel_size = marks[MARK_END] - marks[MARK_START]; 53 54 armv7_dcache_wbinv_range(marks[MARK_START], kernel_size); 55 if (efi_fdt_size() > 0) 56 armv7_dcache_wbinv_range((u_long)efi_fdt_data(), efi_fdt_size()); 57 armv7_icache_inv_all(); 58 59 armv7_exec_kernel((register_t)marks[MARK_ENTRY], (register_t)efi_fdt_data()); 60 } 61 62 void 63 efi_md_show(void) 64 { 65 } 66