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-rw-r--r--target-m68k/cpu.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/target-m68k/cpu.h b/target-m68k/cpu.h
index a34c137..5004a91 100644
--- a/target-m68k/cpu.h
+++ b/target-m68k/cpu.h
@@ -53,6 +53,8 @@
#define EXCP_RTE 0x100
#define EXCP_HALT_INSN 0x101
+#define NB_MMU_MODES 2
+
typedef struct CPUM68KState {
uint32_t dregs[8];
uint32_t aregs[8];
@@ -223,6 +225,15 @@ void register_m68k_insns (CPUM68KState *env);
#define cpu_gen_code cpu_m68k_gen_code
#define cpu_signal_handler cpu_m68k_signal_handler
+/* MMU modes definitions */
+#define MMU_MODE0_SUFFIX _kernel
+#define MMU_MODE1_SUFFIX _user
+#define MMU_USER_IDX 1
+static inline int cpu_mmu_index (CPUState *env)
+{
+ return (env->sr & SR_S) == 0 ? 1 : 0;
+}
+
#include "cpu-all.h"
#endif