[Qemu-devel] [PATCH v3 08/10] target/arm: Convert t32ee from feature bit to isar3 test

[Richard Henderson <richard.henderson@linaro.org>]

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/arm/cpu.h     | 6 +++++-
 linux-user/elfload.c | 2 +-
 target/arm/cpu.c     | 4 ----
 target/arm/helper.c  | 2 +-
 target/arm/machine.c | 3 +--
 5 files changed, 8 insertions(+), 9 deletions(-)

diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index 557ef8daf9..d8cb9633d2 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -1552,7 +1552,6 @@ enum arm_features {
     ARM_FEATURE_NEON,
     ARM_FEATURE_M, /* Microcontroller profile.  */
     ARM_FEATURE_OMAPCP, /* OMAP specific CP15 ops handling.  */
-    ARM_FEATURE_THUMB2EE,
     ARM_FEATURE_V7MP,    /* v7 Multiprocessing Extensions */
     ARM_FEATURE_V7VE, /* v7 Virtualization Extensions (non-EL2 parts) */
     ARM_FEATURE_V4T,
@@ -3151,6 +3150,11 @@ static inline bool aa32_feature_jazelle(ARMCPU *cpu)
     return FIELD_EX32(cpu->id_isar1, ID_ISAR1, JAZELLE) != 0;
 }
 
+static inline bool aa32_feature_t32ee(ARMCPU *cpu)
+{
+    return FIELD_EX32(cpu->id_isar3, ID_ISAR3, T32EE) != 0;
+}
+
 static inline bool aa32_feature_aes(ARMCPU *cpu)
 {
     return FIELD_EX32(cpu->id_isar5, ID_ISAR5, AES) != 0;
diff --git a/linux-user/elfload.c b/linux-user/elfload.c
index 9b00e977d8..3061d703b2 100644
--- a/linux-user/elfload.c
+++ b/linux-user/elfload.c
@@ -466,7 +466,7 @@ static uint32_t get_elf_hwcap(void)
     GET_FEATURE(ARM_FEATURE_V5, ARM_HWCAP_ARM_EDSP);
     GET_FEATURE(ARM_FEATURE_VFP, ARM_HWCAP_ARM_VFP);
     GET_FEATURE(ARM_FEATURE_IWMMXT, ARM_HWCAP_ARM_IWMMXT);
-    GET_FEATURE(ARM_FEATURE_THUMB2EE, ARM_HWCAP_ARM_THUMBEE);
+    GET_FEATURE_ID(t32ee, ARM_HWCAP_ARM_THUMBEE);
     GET_FEATURE(ARM_FEATURE_NEON, ARM_HWCAP_ARM_NEON);
     GET_FEATURE(ARM_FEATURE_VFP3, ARM_HWCAP_ARM_VFPv3);
     GET_FEATURE(ARM_FEATURE_V6K, ARM_HWCAP_ARM_TLS);
diff --git a/target/arm/cpu.c b/target/arm/cpu.c
index 4e2609aa7e..f8faea7933 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -1436,7 +1436,6 @@ static void cortex_a8_initfn(Object *obj)
     set_feature(&cpu->env, ARM_FEATURE_V7);
     set_feature(&cpu->env, ARM_FEATURE_VFP3);
     set_feature(&cpu->env, ARM_FEATURE_NEON);
-    set_feature(&cpu->env, ARM_FEATURE_THUMB2EE);
     set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
     set_feature(&cpu->env, ARM_FEATURE_EL3);
     cpu->midr = 0x410fc080;
@@ -1505,7 +1504,6 @@ static void cortex_a9_initfn(Object *obj)
     set_feature(&cpu->env, ARM_FEATURE_VFP3);
     set_feature(&cpu->env, ARM_FEATURE_VFP_FP16);
     set_feature(&cpu->env, ARM_FEATURE_NEON);
-    set_feature(&cpu->env, ARM_FEATURE_THUMB2EE);
     set_feature(&cpu->env, ARM_FEATURE_EL3);
     /* Note that A9 supports the MP extensions even for
      * A9UP and single-core A9MP (which are both different
@@ -1568,7 +1566,6 @@ static void cortex_a7_initfn(Object *obj)
     set_feature(&cpu->env, ARM_FEATURE_V7VE);
     set_feature(&cpu->env, ARM_FEATURE_VFP4);
     set_feature(&cpu->env, ARM_FEATURE_NEON);
-    set_feature(&cpu->env, ARM_FEATURE_THUMB2EE);
     set_feature(&cpu->env, ARM_FEATURE_GENERIC_TIMER);
     set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
     set_feature(&cpu->env, ARM_FEATURE_CBAR_RO);
@@ -1614,7 +1611,6 @@ static void cortex_a15_initfn(Object *obj)
     set_feature(&cpu->env, ARM_FEATURE_V7VE);
     set_feature(&cpu->env, ARM_FEATURE_VFP4);
     set_feature(&cpu->env, ARM_FEATURE_NEON);
-    set_feature(&cpu->env, ARM_FEATURE_THUMB2EE);
     set_feature(&cpu->env, ARM_FEATURE_GENERIC_TIMER);
     set_feature(&cpu->env, ARM_FEATURE_DUMMY_C15_REGS);
     set_feature(&cpu->env, ARM_FEATURE_CBAR_RO);
diff --git a/target/arm/helper.c b/target/arm/helper.c
index 0efbb5c76c..0da13175be 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -5356,7 +5356,7 @@ void register_cp_regs_for_features(ARMCPU *cpu)
         define_arm_cp_regs(cpu, vmsa_pmsa_cp_reginfo);
         define_arm_cp_regs(cpu, vmsa_cp_reginfo);
     }
-    if (arm_feature(env, ARM_FEATURE_THUMB2EE)) {
+    if (aa32_feature_t32ee(cpu)) {
         define_arm_cp_regs(cpu, t2ee_cp_reginfo);
     }
     if (arm_feature(env, ARM_FEATURE_GENERIC_TIMER)) {
diff --git a/target/arm/machine.c b/target/arm/machine.c
index ff4ec22bf7..d44e891533 100644
--- a/target/arm/machine.c
+++ b/target/arm/machine.c
@@ -301,9 +301,8 @@ static const VMStateDescription vmstate_m = {
 static bool thumb2ee_needed(void *opaque)
 {
     ARMCPU *cpu = opaque;
-    CPUARMState *env = &cpu->env;
 
-    return arm_feature(env, ARM_FEATURE_THUMB2EE);
+    return aa32_feature_t32ee(cpu);
 }
 
 static const VMStateDescription vmstate_thumb2ee = {
-- 
2.17.1