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-rw-r--r--target-s390x/cpu.h25
1 files changed, 22 insertions, 3 deletions
diff --git a/target-s390x/cpu.h b/target-s390x/cpu.h
index adb9a84..584e74b 100644
--- a/target-s390x/cpu.h
+++ b/target-s390x/cpu.h
@@ -302,15 +302,20 @@ static inline CPU_DoubleU *get_freg(CPUS390XState *cs, int nr)
#define CR0_LOWPROT 0x0000000010000000ULL
#define CR0_EDAT 0x0000000000800000ULL
+/* MMU */
+#define MMU_PRIMARY_IDX 0
+#define MMU_SECONDARY_IDX 1
+#define MMU_HOME_IDX 2
+
static inline int cpu_mmu_index (CPUS390XState *env)
{
switch (env->psw.mask & PSW_MASK_ASC) {
case PSW_ASC_PRIMARY:
- return 0;
+ return MMU_PRIMARY_IDX;
case PSW_ASC_SECONDARY:
- return 1;
+ return MMU_SECONDARY_IDX;
case PSW_ASC_HOME:
- return 2;
+ return MMU_HOME_IDX;
case PSW_ASC_ACCREG:
/* Fallthrough: access register mode is not yet supported */
default:
@@ -318,6 +323,20 @@ static inline int cpu_mmu_index (CPUS390XState *env)
}
}
+static inline uint64_t cpu_mmu_idx_to_asc(int mmu_idx)
+{
+ switch (mmu_idx) {
+ case MMU_PRIMARY_IDX:
+ return PSW_ASC_PRIMARY;
+ case MMU_SECONDARY_IDX:
+ return PSW_ASC_SECONDARY;
+ case MMU_HOME_IDX:
+ return PSW_ASC_HOME;
+ default:
+ abort();
+ }
+}
+
static inline void cpu_get_tb_cpu_state(CPUS390XState* env, target_ulong *pc,
target_ulong *cs_base, int *flags)
{
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