diff options
Diffstat (limited to 'src/vendor/golang.org/x/sys/cpu/cpu_arm64.go')
| -rw-r--r-- | src/vendor/golang.org/x/sys/cpu/cpu_arm64.go | 39 |
1 files changed, 37 insertions, 2 deletions
diff --git a/src/vendor/golang.org/x/sys/cpu/cpu_arm64.go b/src/vendor/golang.org/x/sys/cpu/cpu_arm64.go index 9c87677aef..951078f2e8 100644 --- a/src/vendor/golang.org/x/sys/cpu/cpu_arm64.go +++ b/src/vendor/golang.org/x/sys/cpu/cpu_arm64.go @@ -8,10 +8,45 @@ import "runtime" const cacheLineSize = 64 -func init() { +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 "android", "darwin": + case "android", "darwin", "ios", "netbsd": // Android and iOS don't seem to allow reading these registers. + // + // NetBSD: + // ID_AA64ISAR0_EL1 is a privileged register and cannot be read from EL0. + // It can be read via sysctl(3). Example for future implementers: + // https://nxr.netbsd.org/xref/src/usr.sbin/cpuctl/arch/aarch64.c + // // Fake the minimal features expected by // TestARM64minimalFeatures. ARM64.HasASIMD = true |