/* * Copyright (c) 2017 Martin Decky * 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. */ /** @file */ #ifndef BOOT_riscv64_MM_H_ #define BOOT_riscv64_MM_H_ #ifndef __ASSEMBLER__ #define KA2PA(x) (((uintptr_t) (x)) - UINT64_C(0xffff800000000000)) #define PA2KA(x) (((uintptr_t) (x)) + UINT64_C(0xffff800000000000)) #else #define KA2PA(x) ((x) - 0xffff800000000000) #define PA2KA(x) ((x) + 0xffff800000000000) #endif #define PTL_DIRTY (1 << 7) #define PTL_ACCESSED (1 << 6) #define PTL_GLOBAL (1 << 5) #define PTL_USER (1 << 4) #define PTL_EXECUTABLE (1 << 3) #define PTL_WRITABLE (1 << 2) #define PTL_READABLE (1 << 1) #define PTL_VALID 1 #endif /** @} */