Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
---
target/arm/internals.h | 17 -----------------
target/arm/mmuidx-internal.h | 12 ++++++++++++
target/arm/mmuidx.c | 6 ++++--
3 files changed, 16 insertions(+), 19 deletions(-)
diff --git a/target/arm/internals.h b/target/arm/internals.h
index ea210c7179..c6f3ae470b 100644
--- a/target/arm/internals.h
+++ b/target/arm/internals.h
@@ -1034,23 +1034,6 @@ static inline bool regime_is_stage2(ARMMMUIdx mmu_idx)
return mmu_idx == ARMMMUIdx_Stage2 || mmu_idx == ARMMMUIdx_Stage2_S;
}
-static inline bool regime_is_user(ARMMMUIdx mmu_idx)
-{
- switch (mmu_idx) {
- case ARMMMUIdx_E10_0:
- case ARMMMUIdx_E20_0:
- case ARMMMUIdx_E30_0:
- case ARMMMUIdx_Stage1_E0:
- case ARMMMUIdx_MUser:
- case ARMMMUIdx_MSUser:
- case ARMMMUIdx_MUserNegPri:
- case ARMMMUIdx_MSUserNegPri:
- return true;
- default:
- return false;
- }
-}
-
/* Return the SCTLR value which controls this address translation regime */
static inline uint64_t regime_sctlr(CPUARMState *env, ARMMMUIdx mmu_idx)
{
diff --git a/target/arm/mmuidx-internal.h b/target/arm/mmuidx-internal.h
index 5a7259a557..ef1f94a23f 100644
--- a/target/arm/mmuidx-internal.h
+++ b/target/arm/mmuidx-internal.h
@@ -17,6 +17,7 @@ FIELD(MMUIDXINFO, REL, 3, 2)
FIELD(MMUIDXINFO, RELVALID, 5, 1)
FIELD(MMUIDXINFO, 2RANGES, 6, 1)
FIELD(MMUIDXINFO, PAN, 7, 1)
+FIELD(MMUIDXINFO, USER, 8, 1)
extern const uint32_t arm_mmuidx_table[ARM_MMU_IDX_M + 8];
@@ -62,4 +63,15 @@ static inline bool regime_is_pan(ARMMMUIdx idx)
return FIELD_EX32(arm_mmuidx_table[idx], MMUIDXINFO, PAN);
}
+/*
+ * Return true if the exception level associated with this mmu index is 0.
+ * Differs from arm_mmu_idx_to_el(idx) == 0 in that this allows querying
+ * Stage1 and Stage2 mmu indexes.
+ */
+static inline bool regime_is_user(ARMMMUIdx idx)
+{
+ tcg_debug_assert((unsigned)idx < ARRAY_SIZE(arm_mmuidx_table));
+ return FIELD_EX32(arm_mmuidx_table[idx], MMUIDXINFO, USER);
+}
+
#endif /* TARGET_ARM_MMUIDX_INTERNAL_H */
diff --git a/target/arm/mmuidx.c b/target/arm/mmuidx.c
index 98db02b8e5..1c1e062bfe 100644
--- a/target/arm/mmuidx.c
+++ b/target/arm/mmuidx.c
@@ -7,10 +7,12 @@
#include "mmuidx-internal.h"
-#define EL(X) ((X << R_MMUIDXINFO_EL_SHIFT) | R_MMUIDXINFO_ELVALID_MASK)
+#define EL(X) ((X << R_MMUIDXINFO_EL_SHIFT) | R_MMUIDXINFO_ELVALID_MASK | \
+ ((X == 0) << R_MMUIDXINFO_USER_SHIFT))
#define REL(X) ((X << R_MMUIDXINFO_REL_SHIFT) | R_MMUIDXINFO_RELVALID_MASK)
#define R2 R_MMUIDXINFO_2RANGES_MASK
#define PAN R_MMUIDXINFO_PAN_MASK
+#define USER R_MMUIDXINFO_USER_MASK
const uint32_t arm_mmuidx_table[ARM_MMU_IDX_M + 8] = {
/*
@@ -33,7 +35,7 @@ const uint32_t arm_mmuidx_table[ARM_MMU_IDX_M + 8] = {
[ARMMMUIdx_Stage2_S] = REL(2),
[ARMMMUIdx_Stage2] = REL(2),
- [ARMMMUIdx_Stage1_E0] = REL(1) | R2,
+ [ARMMMUIdx_Stage1_E0] = REL(1) | R2 | USER,
[ARMMMUIdx_Stage1_E1] = REL(1) | R2,
[ARMMMUIdx_Stage1_E1_PAN] = REL(1) | R2 | PAN,
