/* * 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_sun4u_KM_H_ #define KERN_sparc64_sun4u_KM_H_ #include <stdbool.h> #include <typedefs.h> /* * Be conservative and assume the 44-bit virtual address width as found * on the UltraSPARC CPU, even when running on a newer CPU, such as * UltraSPARC III, which has the full 64-bit virtual address width. * * Do not use the 4 GiB area on either side of the VA hole to meet the * limitations of the UltraSPARC CPU. */ #define KM_SPARC64_US_IDENTITY_START UINT64_C(0x0000000000000000) #define KM_SPARC64_US_IDENTITY_SIZE UINT64_C(0x000007ff00000000) #define KM_SPARC64_US_NON_IDENTITY_START UINT64_C(0xfffff80100000000) #define KM_SPARC64_US_NON_IDENTITY_SIZE UINT64_C(0x000007ff00000000) 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 /** @} */