/* * Copyright (c) 2015 Petr Pavlu * 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_arm64 * @{ */ /** @file * @brief Shared interface between the bootcode and the kernel. */ #ifndef KERN_arm64_BOOT_H_ #define KERN_arm64_BOOT_H_ #define BOOT_OFFSET 0x80000 #ifndef __ASSEMBLER__ #include <stddef.h> #define BOOTINFO_TASK_NAME_BUFLEN 32 #define TASKMAP_MAX_RECORDS 32 #define MEMMAP_MAX_RECORDS 128 /** Task structure. */ typedef struct { /** Address where the task was placed. */ void *addr; /** Size of the task's binary. */ size_t size; /** Task name. */ char name[BOOTINFO_TASK_NAME_BUFLEN]; } utask_t; /** Task map structure. */ typedef struct { /** Number of boot tasks. */ size_t cnt; /** Boot task data. */ utask_t tasks[TASKMAP_MAX_RECORDS]; } taskmap_t; /** Memory zone types. */ typedef enum { /** Unusuable memory. */ MEMTYPE_UNUSABLE, /** Usable memory. */ MEMTYPE_AVAILABLE, /** Memory that can be used after ACPI is enabled. */ MEMTYPE_ACPI_RECLAIM } memtype_t; /** Memory area. */ typedef struct { /** Type of the memory. */ memtype_t type; /** Address of the area. */ void *start; /** Size of the area. */ size_t size; } memzone_t; /** System memory map. */ typedef struct { /** Number of memory zones. */ size_t cnt; /** Memory zones. */ memzone_t zones[MEMMAP_MAX_RECORDS]; } memmap_t; /** Bootinfo structure. */ typedef struct { /** Task map. */ taskmap_t taskmap; /** Memory map. */ memmap_t memmap; } bootinfo_t; #endif /* __ASSEMBLER__ */ #endif /** @} */