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			116 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			116 lines
		
	
	
		
			3.6 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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  grub_uint32_t nameaddr;
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  grub_uint32_t namesize;
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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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grub_err_t grub_xnu_boot_resume (void);
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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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grub_err_t grub_xnu_fill_devicetree (void);
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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 void *grub_xnu_heap_start;
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extern struct grub_video_bitmap *grub_xnu_bitmap;
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typedef enum {GRUB_XNU_BITMAP_CENTER, GRUB_XNU_BITMAP_STRETCH}
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  grub_xnu_bitmap_mode_t;
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extern grub_xnu_bitmap_mode_t grub_xnu_bitmap_mode;
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extern int grub_xnu_is_64bit;
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#endif
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