1 files changed, 165 insertions, 0 deletions
diff --git a/usr/src/compat/freebsd/amd64/machine/cpufunc.h b/usr/src/compat/freebsd/amd64/machine/cpufunc.h
new file mode 100644
index 0000000000..cf485e947c
--- /dev/null
+++ b/usr/src/compat/freebsd/amd64/machine/cpufunc.h
@@ -0,0 +1,165 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2014 Pluribus Networks Inc.
+ */
+
+#ifndef _COMPAT_FREEBSD_AMD64_MACHINE_CPUFUNC_H_
+#define	_COMPAT_FREEBSD_AMD64_MACHINE_CPUFUNC_H_
+
+static __inline u_long
+bsfq(u_long mask)
+{
+	u_long	result;
+
+	__asm __volatile("bsfq %1,%0" : "=r" (result) : "rm" (mask));
+	return (result);
+}
+
+static __inline u_int
+bsrl(u_int mask)
+{
+	u_int	result;
+
+	__asm __volatile("bsrl %1,%0" : "=r" (result) : "rm" (mask));
+	return (result);
+}
+
+static __inline u_long
+bsrq(u_long mask)
+{
+	u_long	result;
+
+	__asm __volatile("bsrq %1,%0" : "=r" (result) : "rm" (mask));
+	return (result);
+}
+
+static __inline void
+clts(void)
+{
+	__asm __volatile("clts");
+}
+
+static __inline void
+do_cpuid(u_int ax, u_int *p)
+{
+	__asm __volatile("cpuid"
+			 : "=a" (p[0]), "=b" (p[1]), "=c" (p[2]), "=d" (p[3])
+			 :  "0" (ax));
+}
+
+static __inline void
+cpuid_count(u_int ax, u_int cx, u_int *p)
+{
+	__asm __volatile("cpuid"
+			 : "=a" (p[0]), "=b" (p[1]), "=c" (p[2]), "=d" (p[3])
+			 :  "0" (ax), "c" (cx));
+}
+
+static __inline void
+enable_intr(void)
+{
+	__asm __volatile("sti");
+}
+
+static __inline int
+ffsl(long mask)
+{
+	return (mask == 0 ? mask : (int)bsfq((u_long)mask) + 1);
+}
+
+static __inline int
+fls(int mask)
+{
+	return (mask == 0 ? mask : (int)bsrl((u_int)mask) + 1);
+}
+
+static __inline int
+flsl(long mask)
+{
+	return (mask == 0 ? mask : (int)bsrq((u_long)mask) + 1);
+}
+
+static __inline int
+flsll(long long mask)
+{
+	return (flsl((long)mask));
+}
+
+static __inline uint64_t
+rdmsr(u_int msr)
+{
+	uint32_t low, high;
+ 
+	__asm __volatile("rdmsr" : "=a" (low), "=d" (high) : "c" (msr));
+	return (low | ((uint64_t)high << 32));
+}
+
+static __inline uint64_t
+rdtsc(void)
+{
+	uint32_t low, high;
+ 
+	__asm __volatile("rdtsc" : "=a" (low), "=d" (high));
+	return (low | ((uint64_t)high << 32));
+}
+
+static __inline void
+wrmsr(u_int msr, uint64_t newval)
+{
+	uint32_t low, high;
+
+	low = newval;
+	high = newval >> 32;
+	__asm __volatile("wrmsr" : : "a" (low), "d" (high), "c" (msr));
+}
+
+static __inline void
+load_cr0(u_long data)
+{
+	__asm __volatile("movq %0,%%cr0" : : "r" (data));
+}
+
+static __inline u_long
+rcr0(void)
+{
+	u_long  data;
+ 
+	__asm __volatile("movq %%cr0,%0" : "=r" (data));
+	return (data);
+}
+
+static __inline u_long
+rcr3(void)
+{
+	u_long  data;
+
+	__asm __volatile("movq %%cr3,%0" : "=r" (data));
+	return (data);
+}
+
+static __inline void
+load_cr4(u_long data)
+{
+	__asm __volatile("movq %0,%%cr4" : : "r" (data));
+}
+
+static __inline u_long
+rcr4(void)
+{
+	u_long  data;
+ 
+	__asm __volatile("movq %%cr4,%0" : "=r" (data));
+	return (data);
+}
+
+#endif	/* _COMPAT_FREEBSD_AMD64_MACHINE_CPUFUNC_H_ */