Add ArmReadIdAA64Isar0() to ArmLib along with macros to read specific register fields.
Signed-off-by: Pierre Gondois <pierre.gond...@arm.com> --- ArmPkg/Include/Library/ArmLib.h | 68 ++++++++++++++++++++++ ArmPkg/Library/ArmLib/AArch64/AArch64Lib.h | 6 -- 2 files changed, 68 insertions(+), 6 deletions(-) diff --git a/ArmPkg/Include/Library/ArmLib.h b/ArmPkg/Include/Library/ArmLib.h index 6aa8a48f07f3..1edaa8d45962 100644 --- a/ArmPkg/Include/Library/ArmLib.h +++ b/ArmPkg/Include/Library/ArmLib.h @@ -805,6 +805,74 @@ ArmHasEte ( 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) + +/** Read AA64Isar0 register. + + @return AA64Isar0's register value. +**/ +UINTN +EFIAPI +ArmReadIdAA64Isar0 ( + VOID + ); + #endif // MDE_CPU_AARCH64 #ifdef MDE_CPU_ARM diff --git a/ArmPkg/Library/ArmLib/AArch64/AArch64Lib.h b/ArmPkg/Library/ArmLib/AArch64/AArch64Lib.h index 6380a019ddc5..07181d940bdd 100644 --- a/ArmPkg/Library/ArmLib/AArch64/AArch64Lib.h +++ b/ArmPkg/Library/ArmLib/AArch64/AArch64Lib.h @@ -50,12 +50,6 @@ ArmReadIdAA64Dfr1 ( VOID ); -UINTN -EFIAPI -ArmReadIdAA64Isar0 ( - VOID - ); - UINTN EFIAPI ArmReadIdAA64Isar1 ( -- 2.25.1 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#111029): https://edk2.groups.io/g/devel/message/111029 Mute This Topic: https://groups.io/mt/102504418/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
