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root/kernel/arch/arm64/include/arch/mm/km.h

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/*
 * 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_mm
 * @{
 */
/** @file
 */

#ifndef KERN_arm64_KM_H_
#define KERN_arm64_KM_H_

#ifndef __ASSEMBLER__

#include <stdbool.h>
#include <typedefs.h>

#define KM_ARM64_IDENTITY_START  UINT64_C(0xffffffff00000000)
#define KM_ARM64_IDENTITY_SIZE   UINT64_C(0x0000000100000000)

#define KM_ARM64_NON_IDENTITY_START  UINT64_C(0xffff000000000000)
#define KM_ARM64_NON_IDENTITY_SIZE   UINT64_C(0x0000ffff00000000)

extern void km_identity_arch_init(void);
extern void km_non_identity_arch_init(void);
extern bool km_is_non_identity_arch(uintptr_t);

#else /* __ASSEMBLER__ */

#define KM_ARM64_IDENTITY_START  0xffffffff00000000
#define KM_ARM64_IDENTITY_SIZE   0x0000000100000000

#define KM_ARM64_NON_IDENTITY_START  0xffff000000000000
#define KM_ARM64_NON_IDENTITY_SIZE   0x0000ffff00000000

#endif /* __ASSEMBLER__ */

#endif

/** @}
 */

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