kvmclock: initial implementation

2026-10-31 22:48:21 +00:00 · 2024-09-29 11:21:46 -03:00
parent 11f76ab01d
commit fdd203d1a7
3 changed files with 118 additions and 0 deletions
@@ -0,0 +1,11 @@
+#ifndef _TSC_H
+#define _TSC_H
+
+static inline uint64_t rdtsc_serialized(void) {
+	uint32_t high;
+	uint32_t low;
+	asm volatile("cpuid; rdtsc;" : "=a"(low), "=d"(high) : : "rbx", "rcx");
+	return ((uint64_t)high << 32) | low;
+}
+
+#endif