108 lines
3.3 KiB
C
108 lines
3.3 KiB
C
/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2009 Free Software Foundation, Inc.
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*
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* GRUB is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GRUB is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef GRUB_XNU_H
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#define GRUB_XNU_H 1
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#include <grub/bitmap.h>
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/* Header of a hibernation image. */
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struct grub_xnu_hibernate_header
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{
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/* Size of the image. Notice that file containing image is usually bigger. */
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grub_uint64_t image_size;
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grub_uint8_t unknown1[8];
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/* Where to copy launchcode? */
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grub_uint32_t launchcode_target_page;
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/* How many pages of launchcode? */
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grub_uint32_t launchcode_numpages;
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/* Where to jump? */
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grub_uint32_t entry_point;
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/* %esp at start. */
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grub_uint32_t stack;
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grub_uint8_t unknown2[44];
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#define GRUB_XNU_HIBERNATE_MAGIC 0x73696d65
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grub_uint32_t magic;
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grub_uint8_t unknown3[28];
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/* This value is non-zero if page is encrypted. Unsupported. */
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grub_uint64_t encoffset;
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grub_uint8_t unknown4[360];
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/* The size of additional header used to locate image without parsing FS.
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Used only to skip it.
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*/
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grub_uint32_t extmapsize;
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} __attribute__ ((packed));
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/* In-memory structure for temporary keeping device tree. */
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struct grub_xnu_devtree_key
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{
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char *name;
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int datasize; /* -1 for not leaves. */
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union
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{
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struct grub_xnu_devtree_key *first_child;
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void *data;
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};
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struct grub_xnu_devtree_key *next;
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};
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/* A structure used in memory-map values. */
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struct
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grub_xnu_extdesc
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{
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grub_uint32_t addr;
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grub_uint32_t size;
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} __attribute__ ((packed));
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/* Header describing extension in the memory. */
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struct grub_xnu_extheader
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{
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grub_uint32_t infoplistaddr;
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grub_uint32_t infoplistsize;
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grub_uint32_t binaryaddr;
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grub_uint32_t binarysize;
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} __attribute__ ((packed));
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struct grub_xnu_devtree_key *grub_xnu_create_key (struct grub_xnu_devtree_key **parent,
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char *name);
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extern struct grub_xnu_devtree_key *grub_xnu_devtree_root;
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void grub_xnu_free_devtree (struct grub_xnu_devtree_key *cur);
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grub_err_t grub_xnu_writetree_toheap (void **start, grub_size_t *size);
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struct grub_xnu_devtree_key *grub_xnu_create_value (struct grub_xnu_devtree_key **parent,
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char *name);
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void grub_xnu_lock (void);
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void grub_xnu_unlock (void);
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grub_err_t grub_xnu_resume (char *imagename);
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struct grub_xnu_devtree_key *grub_xnu_find_key (struct grub_xnu_devtree_key *parent,
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char *name);
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grub_err_t grub_xnu_align_heap (int align);
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grub_err_t grub_xnu_scan_dir_for_kexts (char *dirname, char *osbundlerequired,
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int maxrecursion);
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grub_err_t grub_xnu_load_kext_from_dir (char *dirname, char *osbundlerequired,
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int maxrecursion);
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void *grub_xnu_heap_malloc (int size);
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extern grub_uint32_t grub_xnu_heap_real_start;
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extern grub_size_t grub_xnu_heap_size;
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extern char *grub_xnu_heap_start;
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extern struct grub_video_bitmap *grub_xnu_bitmap;
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#endif
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