usr/src/boot/sys/boot/efi/loader/loader_efi.h

   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         size_t chunk_size;
  43         STAILQ_ENTRY(chunk) chunk_next;
  44 };
  45
  46 STAILQ_HEAD(chunk_head, chunk);
  47
  48 struct relocator {
  49         vm_offset_t rel_stack;
  50         vm_offset_t rel_copy;
  51         vm_offset_t rel_memmove;
  52         struct chunk_head rel_chunk_head;
  53         struct chunk rel_chunklist[];
  54 };
  55
  56 int     efi_autoload(void);
  57
  58 ssize_t efi_copyin(const void *, vm_offset_t, const size_t);
  59 ssize_t efi_copyout(const vm_offset_t, void *, const size_t);
  60 ssize_t efi_readin(const int, vm_offset_t, const size_t);
  61 vm_offset_t efi_loadaddr(u_int, void *, vm_offset_t);
  62 void efi_free_loadaddr(vm_offset_t, size_t);
  63 void * efi_translate(vm_offset_t);
  64 vm_offset_t efi_physaddr(multiboot_tag_module_t *, vm_offset_t,
  65     EFI_MEMORY_DESCRIPTOR *, size_t, UINTN, size_t);
  66 void bi_isadir(void);
  67
  68 multiboot2_info_header_t *efi_copy_finish(struct relocator *);
  69 void multiboot_tramp(uint32_t, struct relocator *, uint64_t);
  70
  71 void efi_addsmapdata(struct preloaded_file *);
  72
  73 #endif  /* _LOADER_EFI_H */