init: v1.0.0

grand/drng/entropy/cpu/cpuid_arm64.go

@@ -0,0 +1,4 @@
+package cpu
+
+//go:noescape
+func cpuid() uint64

grand/drng/entropy/cpu/cpuid_arm64.s

@@ -0,0 +1,7 @@
+#include "textflag.h"
+
+// __asm__("mrs %0, MIDR_EL1" : "=r"(arm_cpuid));
+TEXT ·cpuid(SB), NOSPLIT, $0
+    MRS	  MIDR_EL1, R0
+    MOVD  R0, res+0(FP)
+    RET

grand/drng/entropy/cpu/cpuid_test.go

@@ -0,0 +1,10 @@
+package cpu
+
+import (
+	"fmt"
+	"testing"
+)
+
+func TestCPUID(t *testing.T) {
+	fmt.Println(cpuid())
+}