1c8fe38aeSMatthew Dillon /*- 2c8fe38aeSMatthew Dillon * Copyright (c) 1997 Michael Smith 3c8fe38aeSMatthew Dillon * Copyright (c) 1998 Jonathan Lemon 4c8fe38aeSMatthew Dillon * Copyright (c) 2008 The DragonFly Project. 5c8fe38aeSMatthew Dillon * All rights reserved. 6c8fe38aeSMatthew Dillon * 7c8fe38aeSMatthew Dillon * Redistribution and use in source and binary forms, with or without 8c8fe38aeSMatthew Dillon * modification, are permitted provided that the following conditions 9c8fe38aeSMatthew Dillon * are met: 10c8fe38aeSMatthew Dillon * 1. Redistributions of source code must retain the above copyright 11c8fe38aeSMatthew Dillon * notice, this list of conditions and the following disclaimer. 12c8fe38aeSMatthew Dillon * 2. Redistributions in binary form must reproduce the above copyright 13c8fe38aeSMatthew Dillon * notice, this list of conditions and the following disclaimer in the 14c8fe38aeSMatthew Dillon * documentation and/or other materials provided with the distribution. 15c8fe38aeSMatthew Dillon * 16c8fe38aeSMatthew Dillon * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17c8fe38aeSMatthew Dillon * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18c8fe38aeSMatthew Dillon * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19c8fe38aeSMatthew Dillon * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20c8fe38aeSMatthew Dillon * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21c8fe38aeSMatthew Dillon * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22c8fe38aeSMatthew Dillon * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23c8fe38aeSMatthew Dillon * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24c8fe38aeSMatthew Dillon * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25c8fe38aeSMatthew Dillon * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26c8fe38aeSMatthew Dillon * SUCH DAMAGE. 27c8fe38aeSMatthew Dillon * 28c8fe38aeSMatthew Dillon * $FreeBSD$ 29c8fe38aeSMatthew Dillon */ 30c8fe38aeSMatthew Dillon 31c8fe38aeSMatthew Dillon #ifndef _MACHINE_PC_BIOS_H_ 32c8fe38aeSMatthew Dillon #define _MACHINE_PC_BIOS_H_ 33c8fe38aeSMatthew Dillon 34*22cef96dSSascha Wildner uint32_t bios_sigsearch(uint32_t, unsigned char *, int, int, int); 35c8fe38aeSMatthew Dillon 36c8fe38aeSMatthew Dillon #define BIOS_PADDRTOVADDR(x) ((x) + KERNBASE) 37c8fe38aeSMatthew Dillon #define BIOS_VADDRTOPADDR(x) ((x) - KERNBASE) 38c8fe38aeSMatthew Dillon 39c8fe38aeSMatthew Dillon /* 40c8fe38aeSMatthew Dillon * Int 15:E820 'SMAP' structure 41c8fe38aeSMatthew Dillon */ 42c8fe38aeSMatthew Dillon 43c8fe38aeSMatthew Dillon #define SMAP_SIG 0x534D4150 /* 'SMAP' */ 44c8fe38aeSMatthew Dillon 45c8fe38aeSMatthew Dillon #define SMAP_TYPE_MEMORY 1 46c8fe38aeSMatthew Dillon 47c8fe38aeSMatthew Dillon struct bios_smap { 48*22cef96dSSascha Wildner uint64_t base; 49*22cef96dSSascha Wildner uint64_t length; 50*22cef96dSSascha Wildner uint32_t type; 51c8fe38aeSMatthew Dillon } __packed; 52c8fe38aeSMatthew Dillon 5353a374c1SSascha Wildner /* 5453a374c1SSascha Wildner * System Management BIOS 5553a374c1SSascha Wildner */ 5653a374c1SSascha Wildner #define SMBIOS_START 0xf0000 5753a374c1SSascha Wildner #define SMBIOS_STEP 0x10 5853a374c1SSascha Wildner #define SMBIOS_OFF 0 5953a374c1SSascha Wildner #define SMBIOS_LEN 4 6053a374c1SSascha Wildner #define SMBIOS_SIG "_SM_" 6153a374c1SSascha Wildner 6253a374c1SSascha Wildner struct smbios_eps { 6353a374c1SSascha Wildner uint8_t anchor_string[4]; /* '_SM_' */ 6453a374c1SSascha Wildner uint8_t checksum; 6553a374c1SSascha Wildner uint8_t length; 6653a374c1SSascha Wildner uint8_t major_version; 6753a374c1SSascha Wildner uint8_t minor_version; 6853a374c1SSascha Wildner uint16_t maximum_structure_size; 6953a374c1SSascha Wildner uint8_t entry_point_revision; 7053a374c1SSascha Wildner uint8_t formatted_area[5]; 7153a374c1SSascha Wildner uint8_t intermediate_anchor_string[5]; /* '_DMI_' */ 7253a374c1SSascha Wildner uint8_t intermediate_checksum; 7353a374c1SSascha Wildner uint16_t structure_table_length; 7453a374c1SSascha Wildner uint32_t structure_table_address; 7553a374c1SSascha Wildner uint16_t number_structures; 7653a374c1SSascha Wildner uint8_t BCD_revision; 7753a374c1SSascha Wildner }; 7853a374c1SSascha Wildner 7953a374c1SSascha Wildner struct smbios_structure_header { 8053a374c1SSascha Wildner uint8_t type; 8153a374c1SSascha Wildner uint8_t length; 8253a374c1SSascha Wildner uint16_t handle; 8353a374c1SSascha Wildner }; 84c8fe38aeSMatthew Dillon 85c8fe38aeSMatthew Dillon #endif /* _MACHINE_PC_BIOS_H_ */ 86