aboutsummaryrefslogtreecommitdiffstats
path: root/target/ppc/mmu-books.h
diff options
context:
space:
mode:
Diffstat (limited to 'target/ppc/mmu-books.h')
-rw-r--r--target/ppc/mmu-books.h30
1 files changed, 30 insertions, 0 deletions
diff --git a/target/ppc/mmu-books.h b/target/ppc/mmu-books.h
new file mode 100644
index 000000000..0d1255186
--- /dev/null
+++ b/target/ppc/mmu-books.h
@@ -0,0 +1,30 @@
+/*
+ * PowerPC BookS emulation generic mmu definitions for qemu.
+ *
+ * Copyright (c) 2021 Instituto de Pesquisas Eldorado (eldorado.org.br)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef PPC_MMU_BOOKS_H
+#define PPC_MMU_BOOKS_H
+
+/*
+ * These correspond to the mmu_idx values computed in
+ * hreg_compute_hflags_value. See the tables therein
+ */
+static inline bool mmuidx_pr(int idx) { return !(idx & 1); }
+static inline bool mmuidx_real(int idx) { return idx & 2; }
+static inline bool mmuidx_hv(int idx) { return idx & 4; }
+#endif /* PPC_MMU_BOOKS_H */