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/*
* 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.
*/
/* i386 hibernate support definitions */
#define PAGE_SHIFT_4M 22
#define PAGE_MASK_4M (NBPD - 1)
#define PMAP_PA_MASK_4M ~((paddr_t)PAGE_MASK_4M)
#define HIBERNATE_STACK_PAGE (PAGE_SIZE * 5)
#define HIBERNATE_IO_PAGE (PAGE_SIZE * 6)
#define HIBERNATE_TEMP_PAGE (PAGE_SIZE * 10)
#define HIBERNATE_TEMP_PAGE2 (PAGE_SIZE * 11)
#define HIBERNATE_PD_PAGE (PAGE_SIZE * 12)
#define HIBERNATE_PT_PAGE (PAGE_SIZE * 13)
#define HIBERNATE_ALLOC_PAGE (PAGE_SIZE * 14)
#define HIBERNATE_CHUNKS_PAGE (PAGE_SIZE * 15)
/* Use 4MB hibernation chunks */
#define HIBERNATE_CHUNK_SIZE 0x400000
/* 1MB of chunk table from 1MB-2MB phys */
#define HIBERNATE_CHUNK_TABLE_START 0x100000
#define HIBERNATE_CHUNK_TABLE_END 0x200000
#define HIBERNATE_CHUNK_TABLE_SIZE (HIBERNATE_CHUNK_TABLE_END - \
HIBERNATE_CHUNK_TABLE_START)
/* 320KB (80 pages) for gzip allocator */
#define HIBERNATE_ZLIB_SCRATCH (PAGE_SIZE * 20)
#define HIBERNATE_ZLIB_START (PAGE_SIZE * 21)
#define HIBERNATE_ZLIB_END (PAGE_SIZE * (21 + 80))
#define HIBERNATE_ZLIB_SIZE (HIBERNATE_ZLIB_END - HIBERNATE_ZLIB_START)
#define HIBERNATE_STACK_OFFSET 0x0F00
#define atop_4m(x) ((x) >> PAGE_SHIFT_4M)
#define atop_4k(x) ((x) >> PAGE_SHIFT)
#define s4pde_4m(va) ((pt_entry_t *)HIBERNATE_PD_PAGE + atop_4m(va))
#define s4pde_4k(va) ((pt_entry_t *)HIBERNATE_PD_PAGE + atop_4k(va))
#define s4pte_4k(va) ((pt_entry_t *)HIBERNATE_PT_PAGE + atop_4k(va))
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