1 /* 2 * Copyright (c) 2013 The FreeBSD Foundation 3 * All rights reserved. 4 * 5 * This software was developed by Benno Rice under sponsorship from 6 * the FreeBSD Foundation. 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 AUTHOR 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 AUTHOR 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 #ifndef _LOADER_EFI_H 30 #define _LOADER_EFI_H 31 32 #include <stand.h> 33 #include <efi.h> 34 #include <efilib.h> 35 #include <sys/multiboot2.h> 36 #include <sys/queue.h> 37 #include <bootstrap.h> 38 39 struct chunk { 40 EFI_VIRTUAL_ADDRESS chunk_vaddr; 41 EFI_PHYSICAL_ADDRESS chunk_paddr; 42 UINT64 chunk_size; 43 STAILQ_ENTRY(chunk) chunk_next; 44 }; 45 46 STAILQ_HEAD(chunk_head, chunk); 47 48 struct relocator { 49 UINT64 rel_stack; 50 UINT64 rel_copy; 51 UINT64 rel_memmove; 52 struct chunk_head rel_chunk_head; 53 struct chunk rel_chunklist[]; 54 }; 55 56 int efi_autoload(void); 57 58 int efi_getdev(void **, const char *, const char **); 59 char *efi_fmtdev(void *); 60 int efi_setcurrdev(struct env_var *, int, const void *); 61 62 ssize_t efi_copyin(const void *, vm_offset_t, const size_t); 63 ssize_t efi_copyout(const vm_offset_t, void *, const size_t); 64 ssize_t efi_readin(const int, vm_offset_t, const size_t); 65 uint64_t efi_loadaddr(u_int, void *, uint64_t); 66 void efi_free_loadaddr(uint64_t, uint64_t); 67 void * efi_translate(vm_offset_t); 68 69 multiboot2_info_header_t *efi_copy_finish(struct relocator *); 70 void multiboot_tramp(uint32_t, struct relocator *, uint64_t); 71 72 void efi_addsmapdata(struct preloaded_file *); 73 74 #endif /* _LOADER_EFI_H */ 75