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[Qemu-devel] [PATCH 6/6] target/arm: Set ISAR bits for -cpu max
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH 6/6] target/arm: Set ISAR bits for -cpu max |
Date: |
Thu, 28 Jun 2018 17:15:38 -0700 |
For the supported extensions, fill in the appropriate bits in
ID_ISAR5, ID_ISAR6, ID_AA64ISAR0, ID_AA64ISAR1.
Signed-off-by: Richard Henderson <address@hidden>
---
target/arm/cpu.c | 24 +++++++++++++++++-------
target/arm/cpu64.c | 36 ++++++++++++++++++++++++++++--------
2 files changed, 45 insertions(+), 15 deletions(-)
diff --git a/target/arm/cpu.c b/target/arm/cpu.c
index de1a07a9f1..943c589445 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -1795,19 +1795,29 @@ static void arm_max_initfn(Object *obj)
kvm_arm_set_cpu_features_from_host(cpu);
} else {
cortex_a15_initfn(obj);
+
+ set_feature(&cpu->env, ARM_FEATURE_V8_AES);
+ cpu->id_isar5 = deposit32(cpu->id_isar5, 4, 4, 2);
+ set_feature(&cpu->env, ARM_FEATURE_V8_SHA1);
+ cpu->id_isar5 = deposit32(cpu->id_isar5, 8, 4, 1);
+ set_feature(&cpu->env, ARM_FEATURE_V8_SHA256);
+ cpu->id_isar5 = deposit32(cpu->id_isar5, 12, 4, 1);
+ set_feature(&cpu->env, ARM_FEATURE_CRC);
+ cpu->id_isar5 = deposit32(cpu->id_isar5, 16, 4, 1);
+ set_feature(&cpu->env, ARM_FEATURE_V8_RDM);
+ cpu->id_isar5 = deposit32(cpu->id_isar5, 24, 4, 1);
+ set_feature(&cpu->env, ARM_FEATURE_V8_FCMA);
+ cpu->id_isar5 = deposit32(cpu->id_isar5, 28, 4, 1);
+
+ set_feature(&cpu->env, ARM_FEATURE_V8_DOTPROD);
+ cpu->id_isar6 = deposit32(cpu->id_isar6, 4, 4, 1);
+
#ifdef CONFIG_USER_ONLY
/* We don't set these in system emulation mode for the moment,
* since we don't correctly set the ID registers to advertise them,
*/
set_feature(&cpu->env, ARM_FEATURE_V8);
- set_feature(&cpu->env, ARM_FEATURE_V8_AES);
- set_feature(&cpu->env, ARM_FEATURE_V8_SHA1);
- set_feature(&cpu->env, ARM_FEATURE_V8_SHA256);
set_feature(&cpu->env, ARM_FEATURE_V8_PMULL);
- set_feature(&cpu->env, ARM_FEATURE_CRC);
- set_feature(&cpu->env, ARM_FEATURE_V8_RDM);
- set_feature(&cpu->env, ARM_FEATURE_V8_DOTPROD);
- set_feature(&cpu->env, ARM_FEATURE_V8_FCMA);
#endif
}
}
diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c
index d0581d59d8..b24fee45e3 100644
--- a/target/arm/cpu64.c
+++ b/target/arm/cpu64.c
@@ -230,6 +230,34 @@ static void aarch64_max_initfn(Object *obj)
kvm_arm_set_cpu_features_from_host(cpu);
} else {
aarch64_a57_initfn(obj);
+
+ set_feature(&cpu->env, ARM_FEATURE_V8_SHA512);
+ cpu->id_aa64isar0 = deposit64(cpu->id_aa64isar0, 12, 4, 2);
+
+ set_feature(&cpu->env, ARM_FEATURE_V8_ATOMICS);
+ cpu->id_aa64isar0 = deposit64(cpu->id_aa64isar0, 20, 4, 2);
+
+ set_feature(&cpu->env, ARM_FEATURE_V8_RDM);
+ cpu->id_aa64isar0 = deposit64(cpu->id_aa64isar0, 28, 4, 1);
+ cpu->id_isar5 = deposit32(cpu->id_isar5, 24, 4, 1);
+
+ set_feature(&cpu->env, ARM_FEATURE_V8_SHA3);
+ cpu->id_aa64isar0 = deposit64(cpu->id_aa64isar0, 32, 4, 1);
+
+ set_feature(&cpu->env, ARM_FEATURE_V8_SM3);
+ cpu->id_aa64isar0 = deposit64(cpu->id_aa64isar0, 36, 4, 1);
+
+ set_feature(&cpu->env, ARM_FEATURE_V8_SM4);
+ cpu->id_aa64isar0 = deposit64(cpu->id_aa64isar0, 40, 4, 1);
+
+ set_feature(&cpu->env, ARM_FEATURE_V8_DOTPROD);
+ cpu->id_aa64isar0 = deposit64(cpu->id_aa64isar0, 44, 4, 1);
+ cpu->id_isar6 = deposit32(cpu->id_isar6, 4, 4, 1);
+
+ set_feature(&cpu->env, ARM_FEATURE_V8_FCMA);
+ cpu->id_aa64isar1 = deposit64(cpu->id_aa64isar1, 16, 4, 1);
+ cpu->id_isar5 = deposit32(cpu->id_isar5, 28, 4, 1);
+
#ifdef CONFIG_USER_ONLY
/* We don't set these in system emulation mode for the moment,
* since we don't correctly set the ID registers to advertise them,
@@ -237,15 +265,7 @@ static void aarch64_max_initfn(Object *obj)
* whereas the architecture requires them to be present in both if
* present in either.
*/
- set_feature(&cpu->env, ARM_FEATURE_V8_SHA512);
- set_feature(&cpu->env, ARM_FEATURE_V8_SHA3);
- set_feature(&cpu->env, ARM_FEATURE_V8_SM3);
- set_feature(&cpu->env, ARM_FEATURE_V8_SM4);
- set_feature(&cpu->env, ARM_FEATURE_V8_ATOMICS);
- set_feature(&cpu->env, ARM_FEATURE_V8_RDM);
- set_feature(&cpu->env, ARM_FEATURE_V8_DOTPROD);
set_feature(&cpu->env, ARM_FEATURE_V8_FP16);
- set_feature(&cpu->env, ARM_FEATURE_V8_FCMA);
set_feature(&cpu->env, ARM_FEATURE_SVE);
/* For usermode -cpu max we can use a larger and more efficient DCZ
* blocksize since we don't have to follow what the hardware does.
--
2.17.1