modify file names and create directories

arch/x86/kernel/include/ihk/atomic.h

@@ -0,0 +1,86 @@
+#ifndef HEADER_X86_COMMON_AAL_ATOMIC_H
+#define HEADER_X86_COMMON_AAL_ATOMIC_H
+ 
+typedef struct {
+	int counter;
+} aal_atomic_t;
+
+#define AAL_ATOMIC_INIT(i)	{ (i) }
+
+
+static inline int aal_atomic_read(const aal_atomic_t *v)
+{
+	return (*(volatile int *)&(v)->counter);
+}
+
+static inline void aal_atomic_set(aal_atomic_t *v, int i)
+{
+	v->counter = i;
+}
+
+static inline void aal_atomic_add(int i, aal_atomic_t *v)
+{
+	asm volatile("lock addl %1,%0"
+		     : "+m" (v->counter)
+		     : "ir" (i));
+}
+
+static inline void aal_atomic_sub(int i, aal_atomic_t *v)
+{
+	asm volatile("lock subl %1,%0"
+		     : "+m" (v->counter)
+		     : "ir" (i));
+}
+
+static inline void aal_atomic_inc(aal_atomic_t *v)
+{
+	asm volatile("lock incl %0"
+		     : "+m" (v->counter));
+}
+
+static inline void aal_atomic_dec(aal_atomic_t *v)
+{
+	asm volatile("lock decl %0"
+		     : "+m" (v->counter));
+}
+
+static inline int aal_atomic_dec_and_test(aal_atomic_t *v)
+{
+	unsigned char c;
+
+	asm volatile("lock decl %0; sete %1"
+		     : "+m" (v->counter), "=qm" (c)
+		     : : "memory");
+	return c != 0;
+}
+
+static inline int aal_atomic_inc_and_test(aal_atomic_t *v)
+{
+	unsigned char c;
+
+	asm volatile("lock incl %0; sete %1"
+		     : "+m" (v->counter), "=qm" (c)
+		     : : "memory");
+	return c != 0;
+}
+
+static inline int aal_atomic_add_return(int i, aal_atomic_t *v)
+{
+	int __i;
+
+	__i = i;
+	asm volatile("lock xaddl %0, %1"
+		     : "+r" (i), "+m" (v->counter)
+		     : : "memory");
+	return i + __i;
+}
+
+static inline int aal_atomic_sub_return(int i, aal_atomic_t *v)
+{
+	return aal_atomic_add_return(-i, v);
+}
+
+#define aal_atomic_inc_return(v)  (aal_atomic_add_return(1, v))
+#define aal_atomic_dec_return(v)  (aal_atomic_sub_return(1, v))
+
+#endif