1 files changed, 0 insertions, 71 deletions
diff --git a/vendor/github.com/tetratelabs/wazero/internal/platform/cpuid_arm64.go b/vendor/github.com/tetratelabs/wazero/internal/platform/cpuid_arm64.go
deleted file mode 100644
index 5430353fd..000000000
--- a/vendor/github.com/tetratelabs/wazero/internal/platform/cpuid_arm64.go
+++ /dev/null
@@ -1,71 +0,0 @@
-//go:build gc
-
-package platform
-
-import "runtime"
-
-// CpuFeatures exposes the capabilities for this CPU, queried via the Has, HasExtra methods.
-var CpuFeatures = loadCpuFeatureFlags()
-
-// cpuFeatureFlags implements CpuFeatureFlags interface.
-type cpuFeatureFlags struct {
-	isar0 uint64
-	isar1 uint64
-}
-
-// implemented in cpuid_arm64.s
-func getisar0() uint64
-
-// implemented in cpuid_arm64.s
-func getisar1() uint64
-
-func loadCpuFeatureFlags() CpuFeatureFlags {
-	switch runtime.GOOS {
-	case "darwin", "windows":
-		// These OSes do not allow userland to read the instruction set attribute registers,
-		// but basically require atomic instructions:
-		// - "darwin" is the desktop version (mobile version is "ios"),
-		//   and the M1 is a ARMv8.4.
-		// - "windows" requires them from Windows 11, see page 12
-		//   https://download.microsoft.com/download/7/8/8/788bf5ab-0751-4928-a22c-dffdc23c27f2/Minimum%20Hardware%20Requirements%20for%20Windows%2011.pdf
-		return &cpuFeatureFlags{
-			isar0: uint64(CpuFeatureArm64Atomic),
-			isar1: 0,
-		}
-	case "linux", "freebsd":
-		// These OSes allow userland to read the instruction set attribute registers,
-		// which is otherwise restricted to EL0:
-		// https://kernel.org/doc/Documentation/arm64/cpu-feature-registers.txt
-		// See these for contents of the registers:
-		// https://developer.arm.com/documentation/ddi0601/latest/AArch64-Registers/ID-AA64ISAR0-EL1--AArch64-Instruction-Set-Attribute-Register-0
-		// https://developer.arm.com/documentation/ddi0601/latest/AArch64-Registers/ID-AA64ISAR1-EL1--AArch64-Instruction-Set-Attribute-Register-1
-		return &cpuFeatureFlags{
-			isar0: getisar0(),
-			isar1: getisar1(),
-		}
-	default:
-		return &cpuFeatureFlags{}
-	}
-}
-
-// Has implements the same method on the CpuFeatureFlags interface.
-func (f *cpuFeatureFlags) Has(cpuFeature CpuFeature) bool {
-	return (f.isar0 & uint64(cpuFeature)) != 0
-}
-
-// HasExtra implements the same method on the CpuFeatureFlags interface.
-func (f *cpuFeatureFlags) HasExtra(cpuFeature CpuFeature) bool {
-	return (f.isar1 & uint64(cpuFeature)) != 0
-}
-
-// Raw implements the same method on the CpuFeatureFlags interface.
-func (f *cpuFeatureFlags) Raw() uint64 {
-	// Below, we only set bits for the features we care about,
-	// instead of setting all the unnecessary bits obtained from the
-	// instruction set attribute registers.
-	var ret uint64
-	if f.Has(CpuFeatureArm64Atomic) {
-		ret = 1 << 0
-	}
-	return ret
-}