aboutsummaryrefslogtreecommitdiff
path: root/vendor/golang.org/x/sys/cpu
diff options
context:
space:
mode:
Diffstat (limited to 'vendor/golang.org/x/sys/cpu')
-rw-r--r--vendor/golang.org/x/sys/cpu/byteorder.go11
-rw-r--r--vendor/golang.org/x/sys/cpu/cpu_arm64.go8
2 files changed, 15 insertions, 4 deletions
diff --git a/vendor/golang.org/x/sys/cpu/byteorder.go b/vendor/golang.org/x/sys/cpu/byteorder.go
index ed8da8dea..dcbb14ef3 100644
--- a/vendor/golang.org/x/sys/cpu/byteorder.go
+++ b/vendor/golang.org/x/sys/cpu/byteorder.go
@@ -39,20 +39,25 @@ func (bigEndian) Uint64(b []byte) uint64 {
uint64(b[3])<<32 | uint64(b[2])<<40 | uint64(b[1])<<48 | uint64(b[0])<<56
}
-// hostByteOrder returns binary.LittleEndian on little-endian machines and
-// binary.BigEndian on big-endian machines.
+// hostByteOrder returns littleEndian on little-endian machines and
+// bigEndian on big-endian machines.
func hostByteOrder() byteOrder {
switch runtime.GOARCH {
case "386", "amd64", "amd64p32",
+ "alpha",
"arm", "arm64",
"mipsle", "mips64le", "mips64p32le",
+ "nios2",
"ppc64le",
- "riscv", "riscv64":
+ "riscv", "riscv64",
+ "sh":
return littleEndian{}
case "armbe", "arm64be",
+ "m68k",
"mips", "mips64", "mips64p32",
"ppc", "ppc64",
"s390", "s390x",
+ "shbe",
"sparc", "sparc64":
return bigEndian{}
}
diff --git a/vendor/golang.org/x/sys/cpu/cpu_arm64.go b/vendor/golang.org/x/sys/cpu/cpu_arm64.go
index 9c87677ae..7bcb36c7b 100644
--- a/vendor/golang.org/x/sys/cpu/cpu_arm64.go
+++ b/vendor/golang.org/x/sys/cpu/cpu_arm64.go
@@ -10,8 +10,14 @@ const cacheLineSize = 64
func init() {
switch runtime.GOOS {
- case "android", "darwin":
+ case "android", "darwin", "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