#ifndef KERNELCOMPAT_H
#define KERNELCOMPAT_H
+#include "compiler.h"
+
#include <string.h>
#define container_of(ptr, type, member) ({ \
#define KERN_DEBUG
#define KERN_NOTICE
+/* ERROR OPS */
+
+#define MAX_ERRNO 4095
+
+#define IS_ERR_VALUE(x) unlikely((x) >= (unsigned long)-MAX_ERRNO)
+
static inline void *ERR_PTR(long error)
{
- return (void *) error;
+ return (void *) error;
}
+static inline long PTR_ERR(const void *ptr)
+{
+ return (long) ptr;
+}
+
+static inline long IS_ERR(const void *ptr)
+{
+ return IS_ERR_VALUE((unsigned long)ptr);
+}
+
+
+/* FIXED SIZE INTEGERS */
#include <stdint.h>
+typedef uint8_t u8;
typedef uint16_t u16;
typedef uint32_t u32;
+typedef uint64_t u64;
#include <pthread.h>
#define printk(fmt, args...) printf(fmt, ## args)
+/* MEMORY BARRIERS */
+
+#define smp_rmb() do {} while(0)
+#define smp_wmb() do {} while(0)
+#define smp_mb() do {} while(0)
+#define smp_mb__after_atomic_inc() do {} while(0)
+
+#define read_barrier_depends() do {} while(0)
+#define smp_read_barrier_depends() do {} while(0)
-#define smp_rmb()
-#define smp_wmb()
+/* RCU */
+#define rcu_assign_pointer(a, b) do {} while(0)
-#define read_barrier_depends()
-#define smp_read_barrier_depends()
+/* ATOMICITY */
+#include <signal.h>
+
+typedef struct { sig_atomic_t counter; } atomic_t;
+
+static inline int atomic_dec_and_test(atomic_t *p)
+{
+ (p->counter)--;
+ return !p->counter;
+}
+
+static inline void atomic_set(atomic_t *p, int v)
+{
+ p->counter=v;
+}
+
+static inline void atomic_inc(atomic_t *p)
+{
+ p->counter++;
+}
+
+static int atomic_read(atomic_t *p)
+{
+ return p->counter;
+}
+/* CACHE */
+#define ____cacheline_aligned
-#define rcu_assign_pointer(a, b)
#endif /* KERNELCOMPAT_H */