1 /* $OpenBSD: hibernate_var.h,v 1.10 2014/11/22 18:31:46 mlarkin Exp $ */ 2 3 /* 4 * Copyright (c) 2011 Mike Larkin <mlarkin@openbsd.org> 5 * 6 * Permission to use, copy, modify, and distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 #define PIGLET_PAGE_MASK (L2_FRAME) 20 21 /* 22 * PML4 table for resume 23 */ 24 #define HIBERNATE_PML4T (PAGE_SIZE * 20) 25 26 /* 27 * amd64 uses a PDPT to map the first 512GB phys mem plus one more 28 * to map any ranges of phys mem past 512GB (if needed) 29 */ 30 #define HIBERNATE_PDPT_LOW (PAGE_SIZE * 21) 31 #define HIBERNATE_PDPT_HI (PAGE_SIZE * 22) 32 33 /* 34 * amd64 uses one PD to map the first 1GB phys mem plus one more to map any 35 * other 1GB ranges within the first 512GB phys, plus one more to map any 36 * 1GB range in any subsequent 512GB range 37 */ 38 #define HIBERNATE_PD_LOW (PAGE_SIZE * 23) 39 #define HIBERNATE_PD_LOW2 (PAGE_SIZE * 24) 40 #define HIBERNATE_PD_HI (PAGE_SIZE * 25) 41 42 /* 43 * amd64 uses one PT to map the first 2MB phys mem plus one more to map any 44 * other 2MB range within the first 1GB, plus one more to map any 2MB range 45 * in any subsequent 512GB range. 46 */ 47 #define HIBERNATE_PT_LOW (PAGE_SIZE * 26) 48 #define HIBERNATE_PT_LOW2 (PAGE_SIZE * 27) 49 #define HIBERNATE_PT_HI (PAGE_SIZE * 28) 50 51 /* 3 pages for stack */ 52 #define HIBERNATE_STACK_PAGE (PAGE_SIZE * 31) 53 54 #define HIBERNATE_INFLATE_PAGE (PAGE_SIZE * 32) 55 /* HIBERNATE_HIBALLOC_PAGE must be the last stolen page (see machdep.c) */ 56 #define HIBERNATE_HIBALLOC_PAGE (PAGE_SIZE * 33) 57 58 /* Use 4MB hibernation chunks */ 59 #define HIBERNATE_CHUNK_SIZE 0x400000 60 61 #define HIBERNATE_CHUNK_TABLE_SIZE 0x100000 62 63 #define HIBERNATE_STACK_OFFSET 0x0F00 64