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author | maxim-yurchuk <maxim-yurchuk@yandex-team.com> | 2024-10-09 12:29:46 +0300 |
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committer | maxim-yurchuk <maxim-yurchuk@yandex-team.com> | 2024-10-09 13:14:22 +0300 |
commit | 9731d8a4bb7ee2cc8554eaf133bb85498a4c7d80 (patch) | |
tree | a8fb3181d5947c0d78cf402aa56e686130179049 /contrib/go/_std_1.22/src/internal/cpu | |
parent | a44b779cd359f06c3ebbef4ec98c6b38609d9d85 (diff) | |
download | ydb-9731d8a4bb7ee2cc8554eaf133bb85498a4c7d80.tar.gz |
publishFullContrib: true for ydb
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commit_hash:c82a80ac4594723cebf2c7387dec9c60217f603e
Diffstat (limited to 'contrib/go/_std_1.22/src/internal/cpu')
17 files changed, 573 insertions, 0 deletions
diff --git a/contrib/go/_std_1.22/src/internal/cpu/cpu_arm.go b/contrib/go/_std_1.22/src/internal/cpu/cpu_arm.go new file mode 100644 index 0000000000..080e788112 --- /dev/null +++ b/contrib/go/_std_1.22/src/internal/cpu/cpu_arm.go @@ -0,0 +1,48 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package cpu + +const CacheLinePadSize = 32 + +// arm doesn't have a 'cpuid' equivalent, so we rely on HWCAP/HWCAP2. +// These are initialized by archauxv() and should not be changed after they are +// initialized. +var HWCap uint +var HWCap2 uint +var Platform string + +// HWCAP/HWCAP2 bits. These are exposed by Linux and FreeBSD. +const ( + hwcap_VFPv4 = 1 << 16 + hwcap_IDIVA = 1 << 17 + hwcap_LPAE = 1 << 20 +) + +func doinit() { + options = []option{ + {Name: "vfpv4", Feature: &ARM.HasVFPv4}, + {Name: "idiva", Feature: &ARM.HasIDIVA}, + {Name: "v7atomics", Feature: &ARM.HasV7Atomics}, + } + + // HWCAP feature bits + ARM.HasVFPv4 = isSet(HWCap, hwcap_VFPv4) + ARM.HasIDIVA = isSet(HWCap, hwcap_IDIVA) + // lpae is required to make the 64-bit instructions LDRD and STRD (and variants) atomic. + // See ARMv7 manual section B1.6. + // We also need at least a v7 chip, for the DMB instruction. + ARM.HasV7Atomics = isSet(HWCap, hwcap_LPAE) && isV7(Platform) +} + +func isSet(hwc uint, value uint) bool { + return hwc&value != 0 +} + +func isV7(s string) bool { + if s == "aarch64" { + return true + } + return s >= "v7" // will be something like v5, v7, v8, v8l +} diff --git a/contrib/go/_std_1.22/src/internal/cpu/cpu_arm64_android.go b/contrib/go/_std_1.22/src/internal/cpu/cpu_arm64_android.go new file mode 100644 index 0000000000..fbdf7baca2 --- /dev/null +++ b/contrib/go/_std_1.22/src/internal/cpu/cpu_arm64_android.go @@ -0,0 +1,11 @@ +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build arm64 + +package cpu + +func osInit() { + hwcapInit("android") +} diff --git a/contrib/go/_std_1.22/src/internal/cpu/cpu_arm64_freebsd.go b/contrib/go/_std_1.22/src/internal/cpu/cpu_arm64_freebsd.go new file mode 100644 index 0000000000..96ed359ca0 --- /dev/null +++ b/contrib/go/_std_1.22/src/internal/cpu/cpu_arm64_freebsd.go @@ -0,0 +1,14 @@ +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build arm64 + +package cpu + +func osInit() { + // Retrieve info from system register ID_AA64ISAR0_EL1. + isar0 := getisar0() + + parseARM64SystemRegisters(isar0) +} diff --git a/contrib/go/_std_1.22/src/internal/cpu/cpu_arm64_openbsd.go b/contrib/go/_std_1.22/src/internal/cpu/cpu_arm64_openbsd.go new file mode 100644 index 0000000000..12593098eb --- /dev/null +++ b/contrib/go/_std_1.22/src/internal/cpu/cpu_arm64_openbsd.go @@ -0,0 +1,28 @@ +// Copyright 2022 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build arm64 + +package cpu + +const ( + // From OpenBSD's sys/sysctl.h. + _CTL_MACHDEP = 7 + + // From OpenBSD's machine/cpu.h. + _CPU_ID_AA64ISAR0 = 2 + _CPU_ID_AA64ISAR1 = 3 +) + +//go:noescape +func sysctlUint64(mib []uint32) (uint64, bool) + +func osInit() { + // Get ID_AA64ISAR0 from sysctl. + isar0, ok := sysctlUint64([]uint32{_CTL_MACHDEP, _CPU_ID_AA64ISAR0}) + if !ok { + return + } + parseARM64SystemRegisters(isar0) +} diff --git a/contrib/go/_std_1.22/src/internal/cpu/cpu_arm64_other.go b/contrib/go/_std_1.22/src/internal/cpu/cpu_arm64_other.go new file mode 100644 index 0000000000..44592cfced --- /dev/null +++ b/contrib/go/_std_1.22/src/internal/cpu/cpu_arm64_other.go @@ -0,0 +1,13 @@ +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build arm64 && !linux && !freebsd && !android && (!darwin || ios) && !openbsd + +package cpu + +func osInit() { + // Other operating systems do not support reading HWCap from auxiliary vector, + // reading privileged aarch64 system registers or sysctl in user space to detect + // CPU features at runtime. +} diff --git a/contrib/go/_std_1.22/src/internal/cpu/cpu_loong64.go b/contrib/go/_std_1.22/src/internal/cpu/cpu_loong64.go new file mode 100644 index 0000000000..1c90c24fe3 --- /dev/null +++ b/contrib/go/_std_1.22/src/internal/cpu/cpu_loong64.go @@ -0,0 +1,13 @@ +// Copyright 2022 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build loong64 + +package cpu + +// CacheLinePadSize is used to prevent false sharing of cache lines. +// We choose 64 because Loongson 3A5000 the L1 Dcache is 4-way 256-line 64-byte-per-line. +const CacheLinePadSize = 64 + +func doinit() {} diff --git a/contrib/go/_std_1.22/src/internal/cpu/cpu_mips.go b/contrib/go/_std_1.22/src/internal/cpu/cpu_mips.go new file mode 100644 index 0000000000..14a9c975ea --- /dev/null +++ b/contrib/go/_std_1.22/src/internal/cpu/cpu_mips.go @@ -0,0 +1,10 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package cpu + +const CacheLinePadSize = 32 + +func doinit() { +} diff --git a/contrib/go/_std_1.22/src/internal/cpu/cpu_mips64x.go b/contrib/go/_std_1.22/src/internal/cpu/cpu_mips64x.go new file mode 100644 index 0000000000..c452ffd8b3 --- /dev/null +++ b/contrib/go/_std_1.22/src/internal/cpu/cpu_mips64x.go @@ -0,0 +1,32 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build mips64 || mips64le + +package cpu + +const CacheLinePadSize = 32 + +// This is initialized by archauxv and should not be changed after it is +// initialized. +var HWCap uint + +// HWCAP bits. These are exposed by the Linux kernel 5.4. +const ( + // CPU features + hwcap_MIPS_MSA = 1 << 1 +) + +func doinit() { + options = []option{ + {Name: "msa", Feature: &MIPS64X.HasMSA}, + } + + // HWCAP feature bits + MIPS64X.HasMSA = isSet(HWCap, hwcap_MIPS_MSA) +} + +func isSet(hwc uint, value uint) bool { + return hwc&value != 0 +} diff --git a/contrib/go/_std_1.22/src/internal/cpu/cpu_mipsle.go b/contrib/go/_std_1.22/src/internal/cpu/cpu_mipsle.go new file mode 100644 index 0000000000..14a9c975ea --- /dev/null +++ b/contrib/go/_std_1.22/src/internal/cpu/cpu_mipsle.go @@ -0,0 +1,10 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package cpu + +const CacheLinePadSize = 32 + +func doinit() { +} diff --git a/contrib/go/_std_1.22/src/internal/cpu/cpu_ppc64x.go b/contrib/go/_std_1.22/src/internal/cpu/cpu_ppc64x.go new file mode 100644 index 0000000000..c4a08fe1bd --- /dev/null +++ b/contrib/go/_std_1.22/src/internal/cpu/cpu_ppc64x.go @@ -0,0 +1,35 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build ppc64 || ppc64le + +package cpu + +const CacheLinePadSize = 128 + +func doinit() { + options = []option{ + {Name: "darn", Feature: &PPC64.HasDARN}, + {Name: "scv", Feature: &PPC64.HasSCV}, + {Name: "power9", Feature: &PPC64.IsPOWER9}, + } + + osinit() +} + +func isSet(hwc uint, value uint) bool { + return hwc&value != 0 +} + +func Name() string { + switch { + case PPC64.IsPOWER10: + return "POWER10" + case PPC64.IsPOWER9: + return "POWER9" + case PPC64.IsPOWER8: + return "POWER8" + } + return "" +} diff --git a/contrib/go/_std_1.22/src/internal/cpu/cpu_ppc64x_aix.go b/contrib/go/_std_1.22/src/internal/cpu/cpu_ppc64x_aix.go new file mode 100644 index 0000000000..f05ed6fad8 --- /dev/null +++ b/contrib/go/_std_1.22/src/internal/cpu/cpu_ppc64x_aix.go @@ -0,0 +1,25 @@ +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build ppc64 || ppc64le + +package cpu + +const ( + // getsystemcfg constants + _SC_IMPL = 2 + _IMPL_POWER8 = 0x10000 + _IMPL_POWER9 = 0x20000 + _IMPL_POWER10 = 0x40000 +) + +func osinit() { + impl := getsystemcfg(_SC_IMPL) + PPC64.IsPOWER8 = isSet(impl, _IMPL_POWER8) + PPC64.IsPOWER9 = isSet(impl, _IMPL_POWER9) + PPC64.IsPOWER10 = isSet(impl, _IMPL_POWER10) +} + +// getsystemcfg is defined in runtime/os2_aix.go +func getsystemcfg(label uint) uint diff --git a/contrib/go/_std_1.22/src/internal/cpu/cpu_ppc64x_linux.go b/contrib/go/_std_1.22/src/internal/cpu/cpu_ppc64x_linux.go new file mode 100644 index 0000000000..9df82ca8a5 --- /dev/null +++ b/contrib/go/_std_1.22/src/internal/cpu/cpu_ppc64x_linux.go @@ -0,0 +1,33 @@ +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build ppc64 || ppc64le + +package cpu + +// ppc64 doesn't have a 'cpuid' equivalent, so we rely on HWCAP/HWCAP2. +// These are initialized by archauxv and should not be changed after they are +// initialized. +var HWCap uint +var HWCap2 uint + +// HWCAP bits. These are exposed by Linux. +const ( + // ISA Level + hwcap2_ARCH_2_07 = 0x80000000 + hwcap2_ARCH_3_00 = 0x00800000 + hwcap2_ARCH_3_1 = 0x00040000 + + // CPU features + hwcap2_DARN = 0x00200000 + hwcap2_SCV = 0x00100000 +) + +func osinit() { + PPC64.IsPOWER8 = isSet(HWCap2, hwcap2_ARCH_2_07) + PPC64.IsPOWER9 = isSet(HWCap2, hwcap2_ARCH_3_00) + PPC64.IsPOWER10 = isSet(HWCap2, hwcap2_ARCH_3_1) + PPC64.HasDARN = isSet(HWCap2, hwcap2_DARN) + PPC64.HasSCV = isSet(HWCap2, hwcap2_SCV) +} diff --git a/contrib/go/_std_1.22/src/internal/cpu/cpu_ppc64x_other.go b/contrib/go/_std_1.22/src/internal/cpu/cpu_ppc64x_other.go new file mode 100644 index 0000000000..d5b629dbeb --- /dev/null +++ b/contrib/go/_std_1.22/src/internal/cpu/cpu_ppc64x_other.go @@ -0,0 +1,13 @@ +// Copyright 2023 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build (ppc64 || ppc64le) && !aix && !linux + +package cpu + +func osinit() { + // Other operating systems do not support reading HWCap from auxiliary vector, + // reading privileged system registers or sysctl in user space to detect CPU + // features at runtime. +} diff --git a/contrib/go/_std_1.22/src/internal/cpu/cpu_riscv64.go b/contrib/go/_std_1.22/src/internal/cpu/cpu_riscv64.go new file mode 100644 index 0000000000..2173fe8886 --- /dev/null +++ b/contrib/go/_std_1.22/src/internal/cpu/cpu_riscv64.go @@ -0,0 +1,10 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package cpu + +const CacheLinePadSize = 64 + +func doinit() { +} diff --git a/contrib/go/_std_1.22/src/internal/cpu/cpu_s390x.go b/contrib/go/_std_1.22/src/internal/cpu/cpu_s390x.go new file mode 100644 index 0000000000..45d8ed27f0 --- /dev/null +++ b/contrib/go/_std_1.22/src/internal/cpu/cpu_s390x.go @@ -0,0 +1,205 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package cpu + +const CacheLinePadSize = 256 + +var HWCap uint + +// bitIsSet reports whether the bit at index is set. The bit index +// is in big endian order, so bit index 0 is the leftmost bit. +func bitIsSet(bits []uint64, index uint) bool { + return bits[index/64]&((1<<63)>>(index%64)) != 0 +} + +// function is the function code for the named function. +type function uint8 + +const ( + // KM{,A,C,CTR} function codes + aes128 function = 18 // AES-128 + aes192 function = 19 // AES-192 + aes256 function = 20 // AES-256 + + // K{I,L}MD function codes + sha1 function = 1 // SHA-1 + sha256 function = 2 // SHA-256 + sha512 function = 3 // SHA-512 + sha3_224 function = 32 // SHA3-224 + sha3_256 function = 33 // SHA3-256 + sha3_384 function = 34 // SHA3-384 + sha3_512 function = 35 // SHA3-512 + shake128 function = 36 // SHAKE-128 + shake256 function = 37 // SHAKE-256 + + // KLMD function codes + ghash function = 65 // GHASH +) + +const ( + // KDSA function codes + ecdsaVerifyP256 function = 1 // NIST P256 + ecdsaVerifyP384 function = 2 // NIST P384 + ecdsaVerifyP521 function = 3 // NIST P521 + ecdsaSignP256 function = 9 // NIST P256 + ecdsaSignP384 function = 10 // NIST P384 + ecdsaSignP521 function = 11 // NIST P521 + eddsaVerifyEd25519 function = 32 // Curve25519 + eddsaVerifyEd448 function = 36 // Curve448 + eddsaSignEd25519 function = 40 // Curve25519 + eddsaSignEd448 function = 44 // Curve448 +) + +// queryResult contains the result of a Query function +// call. Bits are numbered in big endian order so the +// leftmost bit (the MSB) is at index 0. +type queryResult struct { + bits [2]uint64 +} + +// Has reports whether the given functions are present. +func (q *queryResult) Has(fns ...function) bool { + if len(fns) == 0 { + panic("no function codes provided") + } + for _, f := range fns { + if !bitIsSet(q.bits[:], uint(f)) { + return false + } + } + return true +} + +// facility is a bit index for the named facility. +type facility uint8 + +const ( + // mandatory facilities + zarch facility = 1 // z architecture mode is active + stflef facility = 7 // store-facility-list-extended + ldisp facility = 18 // long-displacement + eimm facility = 21 // extended-immediate + + // miscellaneous facilities + dfp facility = 42 // decimal-floating-point + etf3eh facility = 30 // extended-translation 3 enhancement + + // cryptography facilities + msa facility = 17 // message-security-assist + msa3 facility = 76 // message-security-assist extension 3 + msa4 facility = 77 // message-security-assist extension 4 + msa5 facility = 57 // message-security-assist extension 5 + msa8 facility = 146 // message-security-assist extension 8 + msa9 facility = 155 // message-security-assist extension 9 + + // vector facilities + vxe facility = 135 // vector-enhancements 1 + + // Note: vx requires kernel support + // and so must be fetched from HWCAP. + + hwcap_VX = 1 << 11 // vector facility +) + +// facilityList contains the result of an STFLE call. +// Bits are numbered in big endian order so the +// leftmost bit (the MSB) is at index 0. +type facilityList struct { + bits [4]uint64 +} + +// Has reports whether the given facilities are present. +func (s *facilityList) Has(fs ...facility) bool { + if len(fs) == 0 { + panic("no facility bits provided") + } + for _, f := range fs { + if !bitIsSet(s.bits[:], uint(f)) { + return false + } + } + return true +} + +// The following feature detection functions are defined in cpu_s390x.s. +// They are likely to be expensive to call so the results should be cached. +func stfle() facilityList +func kmQuery() queryResult +func kmcQuery() queryResult +func kmctrQuery() queryResult +func kmaQuery() queryResult +func kimdQuery() queryResult +func klmdQuery() queryResult +func kdsaQuery() queryResult + +func doinit() { + options = []option{ + {Name: "zarch", Feature: &S390X.HasZARCH}, + {Name: "stfle", Feature: &S390X.HasSTFLE}, + {Name: "ldisp", Feature: &S390X.HasLDISP}, + {Name: "msa", Feature: &S390X.HasMSA}, + {Name: "eimm", Feature: &S390X.HasEIMM}, + {Name: "dfp", Feature: &S390X.HasDFP}, + {Name: "etf3eh", Feature: &S390X.HasETF3EH}, + {Name: "vx", Feature: &S390X.HasVX}, + {Name: "vxe", Feature: &S390X.HasVXE}, + {Name: "kdsa", Feature: &S390X.HasKDSA}, + } + + aes := []function{aes128, aes192, aes256} + facilities := stfle() + + S390X.HasZARCH = facilities.Has(zarch) + S390X.HasSTFLE = facilities.Has(stflef) + S390X.HasLDISP = facilities.Has(ldisp) + S390X.HasEIMM = facilities.Has(eimm) + S390X.HasDFP = facilities.Has(dfp) + S390X.HasETF3EH = facilities.Has(etf3eh) + S390X.HasMSA = facilities.Has(msa) + + if S390X.HasMSA { + // cipher message + km, kmc := kmQuery(), kmcQuery() + S390X.HasAES = km.Has(aes...) + S390X.HasAESCBC = kmc.Has(aes...) + if facilities.Has(msa4) { + kmctr := kmctrQuery() + S390X.HasAESCTR = kmctr.Has(aes...) + } + if facilities.Has(msa8) { + kma := kmaQuery() + S390X.HasAESGCM = kma.Has(aes...) + } + + // compute message digest + kimd := kimdQuery() // intermediate (no padding) + klmd := klmdQuery() // last (padding) + S390X.HasSHA1 = kimd.Has(sha1) && klmd.Has(sha1) + S390X.HasSHA256 = kimd.Has(sha256) && klmd.Has(sha256) + S390X.HasSHA512 = kimd.Has(sha512) && klmd.Has(sha512) + S390X.HasGHASH = kimd.Has(ghash) // KLMD-GHASH does not exist + sha3 := []function{ + sha3_224, sha3_256, sha3_384, sha3_512, + shake128, shake256, + } + S390X.HasSHA3 = kimd.Has(sha3...) && klmd.Has(sha3...) + S390X.HasKDSA = facilities.Has(msa9) // elliptic curves + if S390X.HasKDSA { + kdsa := kdsaQuery() + S390X.HasECDSA = kdsa.Has(ecdsaVerifyP256, ecdsaSignP256, ecdsaVerifyP384, ecdsaSignP384, ecdsaVerifyP521, ecdsaSignP521) + S390X.HasEDDSA = kdsa.Has(eddsaVerifyEd25519, eddsaSignEd25519, eddsaVerifyEd448, eddsaSignEd448) + } + } + + S390X.HasVX = isSet(HWCap, hwcap_VX) + + if S390X.HasVX { + S390X.HasVXE = facilities.Has(vxe) + } +} + +func isSet(hwc uint, value uint) bool { + return hwc&value != 0 +} diff --git a/contrib/go/_std_1.22/src/internal/cpu/cpu_s390x.s b/contrib/go/_std_1.22/src/internal/cpu/cpu_s390x.s new file mode 100644 index 0000000000..4ffbbde38d --- /dev/null +++ b/contrib/go/_std_1.22/src/internal/cpu/cpu_s390x.s @@ -0,0 +1,63 @@ +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +#include "textflag.h" + +// func stfle() facilityList +TEXT ·stfle(SB), NOSPLIT|NOFRAME, $0-32 + MOVD $ret+0(FP), R1 + MOVD $3, R0 // last doubleword index to store + XC $32, (R1), (R1) // clear 4 doublewords (32 bytes) + WORD $0xb2b01000 // store facility list extended (STFLE) + RET + +// func kmQuery() queryResult +TEXT ·kmQuery(SB), NOSPLIT|NOFRAME, $0-16 + MOVD $0, R0 // set function code to 0 (KM-Query) + MOVD $ret+0(FP), R1 // address of 16-byte return value + KM R2, R4 // cipher message (KM) + RET + +// func kmcQuery() queryResult +TEXT ·kmcQuery(SB), NOSPLIT|NOFRAME, $0-16 + MOVD $0, R0 // set function code to 0 (KMC-Query) + MOVD $ret+0(FP), R1 // address of 16-byte return value + KMC R2, R4 // cipher message with chaining (KMC) + RET + +// func kmctrQuery() queryResult +TEXT ·kmctrQuery(SB), NOSPLIT|NOFRAME, $0-16 + MOVD $0, R0 // set function code to 0 (KMCTR-Query) + MOVD $ret+0(FP), R1 // address of 16-byte return value + KMCTR R2, R4, R4 // cipher message with counter (KMCTR) + RET + +// func kmaQuery() queryResult +TEXT ·kmaQuery(SB), NOSPLIT|NOFRAME, $0-16 + MOVD $0, R0 // set function code to 0 (KMA-Query) + MOVD $ret+0(FP), R1 // address of 16-byte return value + KMA R2, R6, R4 // cipher message with authentication (KMA) + RET + +// func kimdQuery() queryResult +TEXT ·kimdQuery(SB), NOSPLIT|NOFRAME, $0-16 + MOVD $0, R0 // set function code to 0 (KIMD-Query) + MOVD $ret+0(FP), R1 // address of 16-byte return value + KIMD R2, R4 // compute intermediate message digest (KIMD) + RET + +// func klmdQuery() queryResult +TEXT ·klmdQuery(SB), NOSPLIT|NOFRAME, $0-16 + MOVD $0, R0 // set function code to 0 (KLMD-Query) + MOVD $ret+0(FP), R1 // address of 16-byte return value + KLMD R2, R4 // compute last message digest (KLMD) + RET + +// func kdsaQuery() queryResult +TEXT ·kdsaQuery(SB), NOSPLIT|NOFRAME, $0-16 + MOVD $0, R0 // set function code to 0 (KLMD-Query) + MOVD $ret+0(FP), R1 // address of 16-byte return value + KDSA R0, R4 // compute digital signature authentication + RET + diff --git a/contrib/go/_std_1.22/src/internal/cpu/cpu_wasm.go b/contrib/go/_std_1.22/src/internal/cpu/cpu_wasm.go new file mode 100644 index 0000000000..2310ad6a48 --- /dev/null +++ b/contrib/go/_std_1.22/src/internal/cpu/cpu_wasm.go @@ -0,0 +1,10 @@ +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package cpu + +const CacheLinePadSize = 64 + +func doinit() { +} |