[11/13] target/arm: Derive id_aa64isar1 from features

Message ID 20180915161738.25257-12-richard.henderson@linaro.org
State New
Headers show
Series
  • target/arm: Derive cpu id regs from features
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Commit Message

Richard Henderson Sept. 15, 2018, 4:17 p.m.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

---
 target/arm/cpu.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

-- 
2.17.1

Patch

diff --git a/target/arm/cpu.c b/target/arm/cpu.c
index 1c51b9f631..a9724f3bb1 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -1062,6 +1062,24 @@  static uint64_t resolve_id_aa64isar0(CPUARMState *env)
     return ret;
 }
 
+static uint64_t resolve_id_aa64isar1(CPUARMState *env)
+{
+    uint64_t ret = 0;
+
+    /* DPB -- not implemented yet */
+    /* APA -- not implemented yet */
+    /* API -- not implemented yet */
+    /* JSCVT -- not implemented yet */
+    if (arm_feature(env, ARM_FEATURE_V8_FCMA)) {
+        ret = deposit64(ret, 16, 4, 1);
+    }
+    /* LRCPC -- not implemented yet */
+    /* GPA -- not implemented yet */
+    /* GPI -- not implemented yet */
+
+    return ret;
+}
+
 static void resolve_id_regs(ARMCPU *cpu)
 {
     CPUARMState *env = &cpu->env;
@@ -1102,6 +1120,8 @@  static void resolve_id_regs(ARMCPU *cpu)
     orig = cpu->id_aa64isar0;
     cpu->id_aa64isar0 = resolve_id_aa64isar0(env);
     g_assert_cmphex(cpu->id_aa64isar0, ==, orig);
+
+    cpu->id_aa64isar1 = resolve_id_aa64isar1(env);
 }
 
 static void arm_cpu_realizefn(DeviceState *dev, Error **errp)