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| author | Pierre Gondois <pierre.gondois@arm.com> | 2023-10-04 14:26:05 +0200 |
|---|---|---|
| committer | mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> | 2024-08-01 13:41:01 +0000 |
| commit | 30e53f8b5efe0112eda7014cf846007fb0fb425f (patch) | |
| tree | a6a4a9262b4427d93426b8edb84636fa800fb9a1 /MdePkg/Include | |
| parent | a72d93e1631852b19e2a996fa5fa81109d5c25f4 (diff) | |
| download | edk2-30e53f8b5efe0112eda7014cf846007fb0fb425f.tar.gz edk2-30e53f8b5efe0112eda7014cf846007fb0fb425f.tar.bz2 edk2-30e53f8b5efe0112eda7014cf846007fb0fb425f.zip | |
MdePkg/BaseLib: AARCH64: Add ArmReadIdAA64Isar0Reg()
To enable AARCH64 native instruction support for Openssl,
some interfaces must be implemented. OPENSSL_cpuid_setup()
allows to probe the supported features of the platform.
Add ArmReadIdAA64Isar0Reg() to read the AA64Isar0, containing
Arm64 instruction capabilities.
A similar ArmReadIdAA64Isar0() function is available in the ArmPkg,
but the CryptoPkg where OPENSSL_cpuid_setup will reside cannot rely
on the ArmPkg.
Signed-off-by: Pierre Gondois <pierre.gondois@arm.com>
Diffstat (limited to 'MdePkg/Include')
| -rw-r--r-- | MdePkg/Include/Library/BaseLib.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/MdePkg/Include/Library/BaseLib.h b/MdePkg/Include/Library/BaseLib.h index 024608fe4b..aec84c0184 100644 --- a/MdePkg/Include/Library/BaseLib.h +++ b/MdePkg/Include/Library/BaseLib.h @@ -141,6 +141,78 @@ ArmReadCntPctReg ( VOID
);
+//
+// Bit shifts for the ID_AA64ISAR0_EL1 register.
+//
+#define ARM_ID_AA64ISAR0_EL1_AES_SHIFT (4U)
+#define ARM_ID_AA64ISAR0_EL1_SHA1_SHIFT (8U)
+#define ARM_ID_AA64ISAR0_EL1_SHA2_SHIFT (12U)
+#define ARM_ID_AA64ISAR0_EL1_CRC32_SHIFT (16U)
+#define ARM_ID_AA64ISAR0_EL1_ATOMIC_SHIFT (20U)
+#define ARM_ID_AA64ISAR0_EL1_RDM_SHIFT (28U)
+#define ARM_ID_AA64ISAR0_EL1_SHA3_SHIFT (32U)
+#define ARM_ID_AA64ISAR0_EL1_SM3_SHIFT (36U)
+#define ARM_ID_AA64ISAR0_EL1_SM4_SHIFT (40U)
+#define ARM_ID_AA64ISAR0_EL1_DP_SHIFT (44U)
+#define ARM_ID_AA64ISAR0_EL1_FHM_SHIFT (48U)
+#define ARM_ID_AA64ISAR0_EL1_TS_SHIFT (52U)
+#define ARM_ID_AA64ISAR0_EL1_TLB_SHIFT (56U)
+#define ARM_ID_AA64ISAR0_EL1_RNDR_SHIFT (60U)
+
+//
+// Bit masks for the ID_AA64ISAR0_EL1 fields.
+//
+#define ARM_ID_AA64ISAR0_EL1_AES_MASK (0xFU)
+#define ARM_ID_AA64ISAR0_EL1_SHA1_MASK (0xFU)
+#define ARM_ID_AA64ISAR0_EL1_SHA2_MASK (0xFU)
+#define ARM_ID_AA64ISAR0_EL1_CRC32_MASK (0xFU)
+#define ARM_ID_AA64ISAR0_EL1_ATOMIC_MASK (0xFU)
+#define ARM_ID_AA64ISAR0_EL1_RDM_MASK (0xFU)
+#define ARM_ID_AA64ISAR0_EL1_SHA3_MASK (0xFU)
+#define ARM_ID_AA64ISAR0_EL1_SM3_MASK (0xFU)
+#define ARM_ID_AA64ISAR0_EL1_SM4_MASK (0xFU)
+#define ARM_ID_AA64ISAR0_EL1_DP_MASK (0xFU)
+#define ARM_ID_AA64ISAR0_EL1_FHM_MASK (0xFU)
+#define ARM_ID_AA64ISAR0_EL1_TS_MASK (0xFU)
+#define ARM_ID_AA64ISAR0_EL1_TLB_MASK (0xFU)
+#define ARM_ID_AA64ISAR0_EL1_RNDR_MASK (0xFU)
+
+//
+// Bit masks for the ID_AA64ISAR0_EL1 field values.
+//
+#define ARM_ID_AA64ISAR0_EL1_AES_FEAT_AES_MASK (0x1U)
+#define ARM_ID_AA64ISAR0_EL1_AES_FEAT_PMULL_MASK (0x2U)
+#define ARM_ID_AA64ISAR0_EL1_SHA1_FEAT_SHA1_MASK (0x1U)
+#define ARM_ID_AA64ISAR0_EL1_SHA2_FEAT_SHA256_MASK (0x1U)
+#define ARM_ID_AA64ISAR0_EL1_SHA2_FEAT_SHA512_MASK (0x2U)
+#define ARM_ID_AA64ISAR0_EL1_CRC32_HAVE_CRC32_MASK (0x1U)
+#define ARM_ID_AA64ISAR0_EL1_ATOMIC_FEAT_LSE_MASK (0x2U)
+#define ARM_ID_AA64ISAR0_EL1_RDM_FEAT_RDM_MASK (0x1U)
+#define ARM_ID_AA64ISAR0_EL1_SHA3_FEAT_SHA3_MASK (0x1U)
+#define ARM_ID_AA64ISAR0_EL1_SM3_FEAT_SM3_MASK (0x1U)
+#define ARM_ID_AA64ISAR0_EL1_SM4_FEAT_SM4_MASK (0x1U)
+#define ARM_ID_AA64ISAR0_EL1_DP_FEAT_DOTPROD_MASK (0x1U)
+#define ARM_ID_AA64ISAR0_EL1_FHM_FEAT_FHM_MASK (0x1U)
+#define ARM_ID_AA64ISAR0_EL1_TS_FEAT_FLAGM_MASK (0x1U)
+#define ARM_ID_AA64ISAR0_EL1_TS_FEAT_FLAGM2_MASK (0x2U)
+#define ARM_ID_AA64ISAR0_EL1_TLB_FEAT_TLBIOS_MASK (0x1U)
+#define ARM_ID_AA64ISAR0_EL1_TLB_FEAT_TLBIRANGE_MASK (0x2U)
+#define ARM_ID_AA64ISAR0_EL1_RNDR_FEAT_RNG_MASK (0x1U)
+
+/**
+ Reads the current value of ID_AA64ISAR0_EL1 register.
+
+ Reads and returns the current value of ID_AA64ISAR0_EL1.
+ This function is only available on AARCH64.
+
+ @return The current value of ID_AA64ISAR0_EL1
+**/
+UINT64
+EFIAPI
+ArmReadIdAA64Isar0Reg (
+ VOID
+ );
+
#endif // defined (MDE_CPU_AARCH64)
#if defined (MDE_CPU_RISCV64)
|