/*
* 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
/** @}
*/