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[v3,4/4] target/arm: enable user-mode SHA-3, SM3 and SHA-512 instruction support

Message ID 20180119141707.11733-5-ard.biesheuvel@linaro.org
State Superseded
Headers show
Series target-arm: add SHA-3, SM3 and SHA512 instruction support | expand

Commit Message

Ard Biesheuvel Jan. 19, 2018, 2:17 p.m. UTC 
Add support for the new ARMv8.2 SHA-3, SM3 and SHA-512 instructions to
AArch64 user mode emulation.

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>

---
 linux-user/elfload.c | 18 ++++++++++++++++++
 target/arm/cpu64.c   |  3 +++
 2 files changed, 21 insertions(+)

-- 
2.11.0
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Patch

diff --git a/linux-user/elfload.c b/linux-user/elfload.c
index 20f3d8c2c373..5d5aa26d2710 100644
--- a/linux-user/elfload.c
+++ b/linux-user/elfload.c
@@ -512,6 +512,21 @@  enum {
     ARM_HWCAP_A64_SHA1          = 1 << 5,
     ARM_HWCAP_A64_SHA2          = 1 << 6,
     ARM_HWCAP_A64_CRC32         = 1 << 7,
+    ARM_HWCAP_A64_ATOMICS       = 1 << 8,
+    ARM_HWCAP_A64_FPHP          = 1 << 9,
+    ARM_HWCAP_A64_ASIMDHP       = 1 << 10,
+    ARM_HWCAP_A64_CPUID         = 1 << 11,
+    ARM_HWCAP_A64_ASIMDRDM      = 1 << 12,
+    ARM_HWCAP_A64_JSCVT         = 1 << 13,
+    ARM_HWCAP_A64_FCMA          = 1 << 14,
+    ARM_HWCAP_A64_LRCPC         = 1 << 15,
+    ARM_HWCAP_A64_DCPOP         = 1 << 16,
+    ARM_HWCAP_A64_SHA3          = 1 << 17,
+    ARM_HWCAP_A64_SM3           = 1 << 18,
+    ARM_HWCAP_A64_SM4           = 1 << 19,
+    ARM_HWCAP_A64_ASIMDDP       = 1 << 20,
+    ARM_HWCAP_A64_SHA512        = 1 << 21,
+    ARM_HWCAP_A64_SVE           = 1 << 22,
 };
 
 #define ELF_HWCAP get_elf_hwcap()
@@ -532,6 +547,9 @@  static uint32_t get_elf_hwcap(void)
     GET_FEATURE(ARM_FEATURE_V8_SHA1, ARM_HWCAP_A64_SHA1);
     GET_FEATURE(ARM_FEATURE_V8_SHA256, ARM_HWCAP_A64_SHA2);
     GET_FEATURE(ARM_FEATURE_CRC, ARM_HWCAP_A64_CRC32);
+    GET_FEATURE(ARM_FEATURE_V8_SHA3, ARM_HWCAP_A64_SHA3);
+    GET_FEATURE(ARM_FEATURE_V8_SM3, ARM_HWCAP_A64_SM3);
+    GET_FEATURE(ARM_FEATURE_V8_SHA512, ARM_HWCAP_A64_SHA512);
 #undef GET_FEATURE
 
     return hwcaps;
diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c
index 670c07ab6ed4..56d50ba57194 100644
--- a/target/arm/cpu64.c
+++ b/target/arm/cpu64.c
@@ -224,6 +224,9 @@  static void aarch64_any_initfn(Object *obj)
     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_SHA3);
+    set_feature(&cpu->env, ARM_FEATURE_V8_SM3);
+    set_feature(&cpu->env, ARM_FEATURE_V8_SHA512);
     set_feature(&cpu->env, ARM_FEATURE_V8_PMULL);
     set_feature(&cpu->env, ARM_FEATURE_CRC);
     cpu->ctr = 0x80038003; /* 32 byte I and D cacheline size, VIPT icache */