/* * Copyright (c) 2005 Josef Cejka * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * - Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * - The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /** @addtogroup kernel_ia32 * @{ */ /** @file */ #ifndef KERN_ia32_MEMMAP_H_ #define KERN_ia32_MEMMAP_H_ #include <arch/boot/memmap_struct.h> /* E820h memory range types */ /* Free memory */ #define MEMMAP_MEMORY_AVAILABLE 1 /* Not available for OS */ #define MEMMAP_MEMORY_RESERVED 2 /* OS may use it after reading ACPI table */ #define MEMMAP_MEMORY_ACPI 3 /* Unusable, required to be saved and restored across an NVS sleep */ #define MEMMAP_MEMORY_NVS 4 /* Corrupted memory */ #define MEMMAP_MEMORY_UNUSABLE 5 /* Size of one entry */ #define MEMMAP_E820_RECORD_SIZE 20 /* Maximum entries */ #define MEMMAP_E820_MAX_RECORDS 32 #ifndef __ASSEMBLER__ #include <stdint.h> extern e820memmap_t e820table[MEMMAP_E820_MAX_RECORDS]; extern uint8_t e820counter; #endif #endif /** @} */