.gitignore added

[dotfiles/.git] / .config / coc / extensions / coc-go-data / tools / pkg / mod / golang.org / x / sys@v0.0.0-20210124154548-22da62e12c0c / cpu / cpu_arm64.go

diff --git a/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/sys@v0.0.0-20210124154548-22da62e12c0c/cpu/cpu_arm64.go b/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/sys@v0.0.0-20210124154548-22da62e12c0c/cpu/cpu_arm64.go
new file mode 100644 (file)
index 0000000..87dd5e3
--- /dev/null
+++ b/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/sys@v0.0.0-20210124154548-22da62e12c0c/cpu/cpu_arm64.go
@@ -0,0 +1,172 @@
+// 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
+
+import "runtime"
+
+const cacheLineSize = 64
+
+func initOptions() {
+       options = []option{
+               {Name: "fp", Feature: &ARM64.HasFP},
+               {Name: "asimd", Feature: &ARM64.HasASIMD},
+               {Name: "evstrm", Feature: &ARM64.HasEVTSTRM},
+               {Name: "aes", Feature: &ARM64.HasAES},
+               {Name: "fphp", Feature: &ARM64.HasFPHP},
+               {Name: "jscvt", Feature: &ARM64.HasJSCVT},
+               {Name: "lrcpc", Feature: &ARM64.HasLRCPC},
+               {Name: "pmull", Feature: &ARM64.HasPMULL},
+               {Name: "sha1", Feature: &ARM64.HasSHA1},
+               {Name: "sha2", Feature: &ARM64.HasSHA2},
+               {Name: "sha3", Feature: &ARM64.HasSHA3},
+               {Name: "sha512", Feature: &ARM64.HasSHA512},
+               {Name: "sm3", Feature: &ARM64.HasSM3},
+               {Name: "sm4", Feature: &ARM64.HasSM4},
+               {Name: "sve", Feature: &ARM64.HasSVE},
+               {Name: "crc32", Feature: &ARM64.HasCRC32},
+               {Name: "atomics", Feature: &ARM64.HasATOMICS},
+               {Name: "asimdhp", Feature: &ARM64.HasASIMDHP},
+               {Name: "cpuid", Feature: &ARM64.HasCPUID},
+               {Name: "asimrdm", Feature: &ARM64.HasASIMDRDM},
+               {Name: "fcma", Feature: &ARM64.HasFCMA},
+               {Name: "dcpop", Feature: &ARM64.HasDCPOP},
+               {Name: "asimddp", Feature: &ARM64.HasASIMDDP},
+               {Name: "asimdfhm", Feature: &ARM64.HasASIMDFHM},
+       }
+}
+
+func archInit() {
+       switch runtime.GOOS {
+       case "freebsd":
+               readARM64Registers()
+       case "linux", "netbsd":
+               doinit()
+       default:
+               // Most platforms don't seem to allow reading these registers.
+               //
+               // OpenBSD:
+               // See https://golang.org/issue/31746
+               setMinimalFeatures()
+       }
+}
+
+// setMinimalFeatures fakes the minimal ARM64 features expected by
+// TestARM64minimalFeatures.
+func setMinimalFeatures() {
+       ARM64.HasASIMD = true
+       ARM64.HasFP = true
+}
+
+func readARM64Registers() {
+       Initialized = true
+
+       parseARM64SystemRegisters(getisar0(), getisar1(), getpfr0())
+}
+
+func parseARM64SystemRegisters(isar0, isar1, pfr0 uint64) {
+       // ID_AA64ISAR0_EL1
+       switch extractBits(isar0, 4, 7) {
+       case 1:
+               ARM64.HasAES = true
+       case 2:
+               ARM64.HasAES = true
+               ARM64.HasPMULL = true
+       }
+
+       switch extractBits(isar0, 8, 11) {
+       case 1:
+               ARM64.HasSHA1 = true
+       }
+
+       switch extractBits(isar0, 12, 15) {
+       case 1:
+               ARM64.HasSHA2 = true
+       case 2:
+               ARM64.HasSHA2 = true
+               ARM64.HasSHA512 = true
+       }
+
+       switch extractBits(isar0, 16, 19) {
+       case 1:
+               ARM64.HasCRC32 = true
+       }
+
+       switch extractBits(isar0, 20, 23) {
+       case 2:
+               ARM64.HasATOMICS = true
+       }
+
+       switch extractBits(isar0, 28, 31) {
+       case 1:
+               ARM64.HasASIMDRDM = true
+       }
+
+       switch extractBits(isar0, 32, 35) {
+       case 1:
+               ARM64.HasSHA3 = true
+       }
+
+       switch extractBits(isar0, 36, 39) {
+       case 1:
+               ARM64.HasSM3 = true
+       }
+
+       switch extractBits(isar0, 40, 43) {
+       case 1:
+               ARM64.HasSM4 = true
+       }
+
+       switch extractBits(isar0, 44, 47) {
+       case 1:
+               ARM64.HasASIMDDP = true
+       }
+
+       // ID_AA64ISAR1_EL1
+       switch extractBits(isar1, 0, 3) {
+       case 1:
+               ARM64.HasDCPOP = true
+       }
+
+       switch extractBits(isar1, 12, 15) {
+       case 1:
+               ARM64.HasJSCVT = true
+       }
+
+       switch extractBits(isar1, 16, 19) {
+       case 1:
+               ARM64.HasFCMA = true
+       }
+
+       switch extractBits(isar1, 20, 23) {
+       case 1:
+               ARM64.HasLRCPC = true
+       }
+
+       // ID_AA64PFR0_EL1
+       switch extractBits(pfr0, 16, 19) {
+       case 0:
+               ARM64.HasFP = true
+       case 1:
+               ARM64.HasFP = true
+               ARM64.HasFPHP = true
+       }
+
+       switch extractBits(pfr0, 20, 23) {
+       case 0:
+               ARM64.HasASIMD = true
+       case 1:
+               ARM64.HasASIMD = true
+               ARM64.HasASIMDHP = true
+       }
+
+       switch extractBits(pfr0, 32, 35) {
+       case 1:
+               ARM64.HasSVE = true
+       }
+}
+
+func extractBits(data uint64, start, end uint) uint {
+       return (uint)(data>>start) & ((1 << (end - start + 1)) - 1)
+}