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/* $OpenBSD: hibernate_var.h,v 1.8 2014/01/05 23:06:54 mlarkin Exp $ */
/*
* Copyright (c) 2011 Mike Larkin <mlarkin@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* amd64 hibernate support definitions */
#define PAGE_MASK_2M (NBPD_L2 - 1)
#define PAGE_MASK_1G (NBPD_L3 - 1)
#define PAGE_MASK_512G (NBPD_L4 - 1)
#define PIGLET_PAGE_MASK ~((paddr_t)PAGE_MASK_2M)
/*
* PML4 table for resume
*/
#define HIBERNATE_PML4T (PAGE_SIZE * 18)
/*
* amd64 uses a PDPT to map the first 512GB phys mem plus one more
* to map any ranges of phys mem past 512GB (if needed)
*/
#define HIBERNATE_PDPT_LOW (PAGE_SIZE * 19)
#define HIBERNATE_PDPT_HI (PAGE_SIZE * 20)
/*
* amd64 uses one PD to map the first 1GB phys mem plus one more to map any
* other 1GB ranges within the first 512GB phys, plus one more to map any
* 1GB range in any subsequent 512GB range
*/
#define HIBERNATE_PD_LOW (PAGE_SIZE * 21)
#define HIBERNATE_PD_LOW2 (PAGE_SIZE * 22)
#define HIBERNATE_PD_HI (PAGE_SIZE * 23)
/*
* amd64 uses one PT to map the first 2MB phys mem plus one more to map any
* other 2MB range within the first 1GB, plus one more to map any 2MB range
* in any subsequent 512GB range.
*/
#define HIBERNATE_PT_LOW (PAGE_SIZE * 24)
#define HIBERNATE_PT_LOW2 (PAGE_SIZE * 25)
#define HIBERNATE_PT_HI (PAGE_SIZE * 26)
/* 3 pages for stack */
#define HIBERNATE_STACK_PAGE (PAGE_SIZE * 29)
#define HIBERNATE_INFLATE_PAGE (PAGE_SIZE * 30)
/* HIBERNATE_HIBALLOC_PAGE must be the last stolen page (see machdep.c) */
#define HIBERNATE_HIBALLOC_PAGE (PAGE_SIZE * 31)
/* Use 4MB hibernation chunks */
#define HIBERNATE_CHUNK_SIZE 0x400000
#define HIBERNATE_CHUNK_TABLE_SIZE 0x100000
#define HIBERNATE_STACK_OFFSET 0x0F00
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