1 /* $OpenBSD: hibernate_var.h,v 1.1 2013/06/02 21:46:04 pirofti Exp $ */ 2 3 /* 4 * Copyright (c) 2013 Paul Irofti. 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 /* Loongson hibernate support definitions */ 20 21 #define PAGE_MASK_4M ((256 * PAGE_SIZE) - 1) 22 23 #define PIGLET_PAGE_MASK ~((paddr_t)PAGE_MASK_4M) 24 25 /* 26 * Steal hibernate pages right after the first page which is reserved 27 * for the exception area. 28 * */ 29 #define HIBERNATE_STACK_PAGE (PAGE_SIZE * 1) 30 #define HIBERNATE_INFLATE_PAGE (PAGE_SIZE * 2) 31 #define HIBERNATE_COPY_PAGE (PAGE_SIZE * 3) 32 #define HIBERNATE_HIBALLOC_PAGE (PAGE_SIZE * 4) 33 34 #define HIBERNATE_RESERVED_PAGES 4 35 36 /* Use 4MB hibernation chunks */ 37 #define HIBERNATE_CHUNK_SIZE 0x400000 38 39 #define HIBERNATE_CHUNK_TABLE_SIZE 0x100000 40