diff options
Diffstat (limited to 'Documentation/arm64')
| -rw-r--r-- | Documentation/arm64/cpu-feature-registers.rst | 16 | ||||
| -rw-r--r-- | Documentation/arm64/elf_hwcaps.rst | 31 | ||||
| -rw-r--r-- | Documentation/arm64/silicon-errata.rst | 2 |
3 files changed, 49 insertions, 0 deletions
diff --git a/Documentation/arm64/cpu-feature-registers.rst b/Documentation/arm64/cpu-feature-registers.rst index b6e44884e3ad..41937a8091aa 100644 --- a/Documentation/arm64/cpu-feature-registers.rst +++ b/Documentation/arm64/cpu-feature-registers.rst @@ -117,6 +117,8 @@ infrastructure: +------------------------------+---------+---------+ | Name | bits | visible | +------------------------------+---------+---------+ + | RNDR | [63-60] | y | + +------------------------------+---------+---------+ | TS | [55-52] | y | +------------------------------+---------+---------+ | FHM | [51-48] | y | @@ -200,6 +202,12 @@ infrastructure: +------------------------------+---------+---------+ | Name | bits | visible | +------------------------------+---------+---------+ + | I8MM | [55-52] | y | + +------------------------------+---------+---------+ + | DGH | [51-48] | y | + +------------------------------+---------+---------+ + | BF16 | [47-44] | y | + +------------------------------+---------+---------+ | SB | [39-36] | y | +------------------------------+---------+---------+ | FRINTTS | [35-32] | y | @@ -234,10 +242,18 @@ infrastructure: +------------------------------+---------+---------+ | Name | bits | visible | +------------------------------+---------+---------+ + | F64MM | [59-56] | y | + +------------------------------+---------+---------+ + | F32MM | [55-52] | y | + +------------------------------+---------+---------+ + | I8MM | [47-44] | y | + +------------------------------+---------+---------+ | SM4 | [43-40] | y | +------------------------------+---------+---------+ | SHA3 | [35-32] | y | +------------------------------+---------+---------+ + | BF16 | [23-20] | y | + +------------------------------+---------+---------+ | BitPerm | [19-16] | y | +------------------------------+---------+---------+ | AES | [7-4] | y | diff --git a/Documentation/arm64/elf_hwcaps.rst b/Documentation/arm64/elf_hwcaps.rst index 7fa3d215ae6a..7dfb97dfe416 100644 --- a/Documentation/arm64/elf_hwcaps.rst +++ b/Documentation/arm64/elf_hwcaps.rst @@ -204,6 +204,37 @@ HWCAP2_FRINT Functionality implied by ID_AA64ISAR1_EL1.FRINTTS == 0b0001. +HWCAP2_SVEI8MM + + Functionality implied by ID_AA64ZFR0_EL1.I8MM == 0b0001. + +HWCAP2_SVEF32MM + + Functionality implied by ID_AA64ZFR0_EL1.F32MM == 0b0001. + +HWCAP2_SVEF64MM + + Functionality implied by ID_AA64ZFR0_EL1.F64MM == 0b0001. + +HWCAP2_SVEBF16 + + Functionality implied by ID_AA64ZFR0_EL1.BF16 == 0b0001. + +HWCAP2_I8MM + + Functionality implied by ID_AA64ISAR1_EL1.I8MM == 0b0001. + +HWCAP2_BF16 + + Functionality implied by ID_AA64ISAR1_EL1.BF16 == 0b0001. + +HWCAP2_DGH + + Functionality implied by ID_AA64ISAR1_EL1.DGH == 0b0001. + +HWCAP2_RNG + + Functionality implied by ID_AA64ISAR0_EL1.RNDR == 0b0001. 4. Unused AT_HWCAP bits ----------------------- diff --git a/Documentation/arm64/silicon-errata.rst b/Documentation/arm64/silicon-errata.rst index 99b2545455ff..9120e59578dc 100644 --- a/Documentation/arm64/silicon-errata.rst +++ b/Documentation/arm64/silicon-errata.rst @@ -88,6 +88,8 @@ stable kernels. +----------------+-----------------+-----------------+-----------------------------+ | ARM | Cortex-A76 | #1463225 | ARM64_ERRATUM_1463225 | +----------------+-----------------+-----------------+-----------------------------+ +| ARM | Cortex-A55 | #1530923 | ARM64_ERRATUM_1530923 | ++----------------+-----------------+-----------------+-----------------------------+ | ARM | Neoverse-N1 | #1188873,1418040| ARM64_ERRATUM_1418040 | +----------------+-----------------+-----------------+-----------------------------+ | ARM | Neoverse-N1 | #1349291 | N/A | |