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[v3,17/31] target/arm: Introduce arm_stage1_mmu_idx

Message ID 20190108223129.5570-18-richard.henderson@linaro.org
State New
Headers show
Series target/arm: Implement ARMv8.3-PAuth | expand

Commit Message

Richard Henderson Jan. 8, 2019, 10:31 p.m. UTC 
While we could expose stage_1_mmu_idx, the combination is
probably going to be more useful.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/arm/internals.h | 15 +++++++++++++++
 target/arm/helper.c    |  7 +++++++
 2 files changed, 22 insertions(+)
diff mbox series

Patch

diff --git a/target/arm/internals.h b/target/arm/internals.h
index 89f3b122a4..248fdf7a3c 100644
--- a/target/arm/internals.h
+++ b/target/arm/internals.h
@@ -927,4 +927,19 @@  void arm_cpu_update_vfiq(ARMCPU *cpu);
  */
 ARMMMUIdx arm_mmu_idx(CPUARMState *env);
 
+/**
+ * arm_stage1_mmu_idx:
+ * @env: The cpu environment
+ *
+ * Return the ARMMMUIdx for the stage1 traversal for the current regime.
+ */
+#ifdef CONFIG_USER_ONLY
+static inline ARMMMUIdx arm_stage1_mmu_idx(CPUARMState *env)
+{
+    return ARMMMUIdx_S1NSE0;
+}
+#else
+ARMMMUIdx arm_stage1_mmu_idx(CPUARMState *env);
+#endif
+
 #endif
diff --git a/target/arm/helper.c b/target/arm/helper.c
index ba6733c4f1..4af8abd18f 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -12998,6 +12998,13 @@  int cpu_mmu_index(CPUARMState *env, bool ifetch)
     return arm_to_core_mmu_idx(arm_mmu_idx(env));
 }
 
+#ifndef CONFIG_USER_ONLY
+ARMMMUIdx arm_stage1_mmu_idx(CPUARMState *env)
+{
+    return stage_1_mmu_idx(arm_mmu_idx(env));
+}
+#endif
+
 void cpu_get_tb_cpu_state(CPUARMState *env, target_ulong *pc,
                           target_ulong *cs_base, uint32_t *pflags)
 {