diff mbox series

[v6,04/14] target/arm: Extract HA and HD in aa64_va_parameters

Message ID 20221024051851.3074715-5-richard.henderson@linaro.org
State New
Headers show
Series target/arm: Implement FEAT_HAFDBS | expand

Commit Message

Richard Henderson Oct. 24, 2022, 5:18 a.m. UTC 
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/arm/internals.h | 2 ++
 target/arm/helper.c    | 8 +++++++-
 2 files changed, 9 insertions(+), 1 deletion(-)

Comments

Alex Bennée Oct. 24, 2022, 2:19 p.m. UTC | #1 
Richard Henderson <richard.henderson@linaro.org> writes:

> Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
diff mbox series

Patch

diff --git a/target/arm/internals.h b/target/arm/internals.h
index 2b6889073d..16d7989604 100644
--- a/target/arm/internals.h
+++ b/target/arm/internals.h
@@ -1046,6 +1046,8 @@  typedef struct ARMVAParameters {
     bool hpd        : 1;
     bool tsz_oob    : 1;  /* tsz has been clamped to legal range */
     bool ds         : 1;
+    bool ha         : 1;
+    bool hd         : 1;
     ARMGranuleSize gran : 2;
 } ARMVAParameters;
 
diff --git a/target/arm/helper.c b/target/arm/helper.c
index cbfaabbc09..6c7a8beed6 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -10470,7 +10470,7 @@  ARMVAParameters aa64_va_parameters(CPUARMState *env, uint64_t va,
                                    ARMMMUIdx mmu_idx, bool data)
 {
     uint64_t tcr = regime_tcr(env, mmu_idx);
-    bool epd, hpd, tsz_oob, ds;
+    bool epd, hpd, tsz_oob, ds, ha, hd;
     int select, tsz, tbi, max_tsz, min_tsz, ps, sh;
     ARMGranuleSize gran;
     ARMCPU *cpu = env_archcpu(env);
@@ -10489,6 +10489,8 @@  ARMVAParameters aa64_va_parameters(CPUARMState *env, uint64_t va,
         epd = false;
         sh = extract32(tcr, 12, 2);
         ps = extract32(tcr, 16, 3);
+        ha = extract32(tcr, 21, 1) && cpu_isar_feature(aa64_hafs, cpu);
+        hd = extract32(tcr, 22, 1) && cpu_isar_feature(aa64_hdbs, cpu);
         ds = extract64(tcr, 32, 1);
     } else {
         /*
@@ -10510,6 +10512,8 @@  ARMVAParameters aa64_va_parameters(CPUARMState *env, uint64_t va,
             hpd = extract64(tcr, 42, 1);
         }
         ps = extract64(tcr, 32, 3);
+        ha = extract64(tcr, 39, 1) && cpu_isar_feature(aa64_hafs, cpu);
+        hd = extract64(tcr, 40, 1) && cpu_isar_feature(aa64_hdbs, cpu);
         ds = extract64(tcr, 59, 1);
     }
 
@@ -10577,6 +10581,8 @@  ARMVAParameters aa64_va_parameters(CPUARMState *env, uint64_t va,
         .hpd = hpd,
         .tsz_oob = tsz_oob,
         .ds = ds,
+        .ha = ha,
+        .hd = ha && hd,
         .gran = gran,
     };
 }