xref: /openbmc/qemu/target/ppc/mmu-books.h (revision ffe98631)
1 /*
2  *  PowerPC BookS emulation generic mmu definitions for qemu.
3  *
4  *  Copyright (c) 2021 Instituto de Pesquisas Eldorado (eldorado.org.br)
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
18  */
19 
20 #ifndef PPC_MMU_BOOKS_H
21 #define PPC_MMU_BOOKS_H
22 
23 /*
24  * These correspond to the mmu_idx values computed in
25  * hreg_compute_hflags_value. See the tables therein
26  */
27 static inline bool mmuidx_pr(int idx) { return !(idx & 1); }
28 static inline bool mmuidx_real(int idx) { return idx & 2; }
29 static inline bool mmuidx_hv(int idx) { return idx & 4; }
30 #endif /* PPC_MMU_BOOKS_H */
31