source: mainline/boot/arch/riscv64/include/mm.h@ ae8d7b0

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since ae8d7b0 was ae8d7b0, checked in by Martin Decky <martin@…>, 8 years ago

riscv64: update to the latest Privileged Architecture specification (1.10)

  • Property mode set to 100644
File size: 2.0 KB
Line 
1/*
2 * Copyright (c) 2017 Martin Decky
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/** @file
30 */
31
32#ifndef BOOT_riscv64_MM_H_
33#define BOOT_riscv64_MM_H_
34
35#ifndef __ASM__
36 #define KA2PA(x) (((uintptr_t) (x)) - UINT64_C(0xffff800000000000))
37 #define PA2KA(x) (((uintptr_t) (x)) + UINT64_C(0xffff800000000000))
38#else
39 #define KA2PA(x) ((x) - 0xffff800000000000)
40 #define PA2KA(x) ((x) + 0xffff800000000000)
41#endif
42
43#define PTL_DIRTY (1 << 7)
44#define PTL_ACCESSED (1 << 6)
45#define PTL_GLOBAL (1 << 5)
46#define PTL_USER (1 << 4)
47#define PTL_EXECUTABLE (1 << 3)
48#define PTL_WRITABLE (1 << 2)
49#define PTL_READABLE (1 << 1)
50#define PTL_VALID 1
51
52#endif
53
54/** @}
55 */
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