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root/kernel/arch/sparc64/include/arch/mm/sun4v/km.h

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/*
 * Copyright (c) 2011 Jakub Jermar
 * 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_sparc64_mm
 * @{
 */
/** @file
 */

#ifndef KERN_sparc64_sun4v_KM_H_
#define KERN_sparc64_sun4v_KM_H_

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

/*
 * Do not use the 4 GiB area on either side of the VA hole to meet the
 * limitations of the UltraSPARC T1 CPU.
 */

#define KM_SPARC64_T1_IDENTITY_START            UINT64_C(0x0000000000000000)
#define KM_SPARC64_T1_IDENTITY_SIZE             UINT64_C(0x00007fff00000000)

#define KM_SPARC64_T1_NON_IDENTITY_START        UINT64_C(0xffff800100000000)
#define KM_SPARC64_T1_NON_IDENTITY_SIZE         UINT64_C(0x00007fff00000000)

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

#endif

/** @}
 */

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