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-rw-r--r--include/exec/cpu-common.h30
1 files changed, 30 insertions, 0 deletions
diff --git a/include/exec/cpu-common.h b/include/exec/cpu-common.h
index 3109c6b..608708e 100644
--- a/include/exec/cpu-common.h
+++ b/include/exec/cpu-common.h
@@ -206,4 +206,34 @@ G_NORETURN void cpu_loop_exit_atomic(CPUState *cpu, uintptr_t pc);
G_NORETURN void cpu_loop_exit(CPUState *cpu);
G_NORETURN void cpu_loop_exit_restore(CPUState *cpu, uintptr_t pc);
+/* same as PROT_xxx */
+#define PAGE_READ 0x0001
+#define PAGE_WRITE 0x0002
+#define PAGE_EXEC 0x0004
+#define PAGE_BITS (PAGE_READ | PAGE_WRITE | PAGE_EXEC)
+#define PAGE_VALID 0x0008
+/*
+ * Original state of the write flag (used when tracking self-modifying code)
+ */
+#define PAGE_WRITE_ORG 0x0010
+/*
+ * Invalidate the TLB entry immediately, helpful for s390x
+ * Low-Address-Protection. Used with PAGE_WRITE in tlb_set_page_with_attrs()
+ */
+#define PAGE_WRITE_INV 0x0020
+/* For use with page_set_flags: page is being replaced; target_data cleared. */
+#define PAGE_RESET 0x0040
+/* For linux-user, indicates that the page is MAP_ANON. */
+#define PAGE_ANON 0x0080
+
+/* Target-specific bits that will be used via page_get_flags(). */
+#define PAGE_TARGET_1 0x0200
+#define PAGE_TARGET_2 0x0400
+
+/*
+ * For linux-user, indicates that the page is mapped with the same semantics
+ * in both guest and host.
+ */
+#define PAGE_PASSTHROUGH 0x0800
+
#endif /* CPU_COMMON_H */