#ifndef KERNELCOMPAT_H
#define KERNELCOMPAT_H
+#include <kcompat.h>
+
#include "compiler.h"
#include <string.h>
const typeof( ((type *)0)->member ) *__mptr = (ptr); \
(type *)( (char *)__mptr - offsetof(type,member) );})
-#define KERN_DEBUG
-#define KERN_NOTICE
+#define KERN_DEBUG ""
+#define KERN_NOTICE ""
+#define KERN_INFO ""
+#define KERN_ERR ""
+#define KERN_ALERT ""
+#define KERN_WARNING ""
/* ERROR OPS */
/* FIXED SIZE INTEGERS */
-#include <stdint.h>
+//#include <stdint.h>
+
+//typedef uint8_t u8;
+//typedef uint16_t u16;
+//typedef uint32_t u32;
+//typedef uint64_t u64;
+
+#define min_t(type, x, y) ({ \
+ type __min1 = (x); \
+ type __min2 = (y); \
+ __min1 < __min2 ? __min1: __min2; })
-typedef uint8_t u8;
-typedef uint16_t u16;
-typedef uint32_t u32;
-typedef uint64_t u64;
+#define max_t(type, x, y) ({ \
+ type __max1 = (x); \
+ type __max2 = (y); \
+ __max1 > __max2 ? __max1: __max2; })
+/* MUTEXES */
+
#include <pthread.h>
#define DEFINE_MUTEX(m) pthread_mutex_t (m) = PTHREAD_MUTEX_INITIALIZER;
+#define DECLARE_MUTEX(m) extern pthread_mutex_t (m);
#define mutex_lock(m) pthread_mutex_lock(m)
#define mutex_unlock(m) pthread_mutex_unlock(m)
+/* MALLOCATION */
+
#include <stdlib.h>
#define kmalloc(s, t) malloc(s)
-#define kzalloc(s, t) malloc(s)
+#define kzalloc(s, t) zmalloc(s)
#define kfree(p) free((void *)p)
#define kstrdup(s, t) strdup(s)
+#define zmalloc(s) calloc(1, s)
+
+#define GFP_KERNEL
+
+/* PRINTK */
#include <stdio.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)
-
/* RCU */
-#define rcu_assign_pointer(a, b) do {} while(0)
+#include "urcu.h"
+#define call_rcu_sched(a,b) b(a); synchronize_rcu()
+#define rcu_barrier_sched() do {} while(0) /* this nop is ok if call_rcu_sched does a synchronize_rcu() */
+#define rcu_read_lock_sched_notrace() rcu_read_lock()
+#define rcu_read_unlock_sched_notrace() rcu_read_unlock()
/* ATOMICITY */
-#include <signal.h>
-typedef struct { sig_atomic_t counter; } atomic_t;
+#include <signal.h>
static inline int atomic_dec_and_test(atomic_t *p)
{
return p->counter;
}
-/* CACHE */
+#define atomic_long_t atomic_t
+#define atomic_long_set atomic_set
+#define atomic_long_read atomic_read
+
+//#define __xg(x) ((volatile long *)(x))
+
+#define cmpxchg(ptr, o, n) \
+ ((__typeof__(*(ptr)))__cmpxchg((ptr), (unsigned long)(o), \
+ (unsigned long)(n), sizeof(*(ptr))))
+
+//#define local_cmpxchg cmpxchg
+#define local_cmpxchg(l, o, n) (cmpxchg(&((l)->a.counter), (o), (n)))
+
+#define atomic_long_cmpxchg(v, old, new) (cmpxchg(&((v)->counter), (old), (new)))
+
+
+/* LOCAL OPS */
+
+//typedef int local_t;
+typedef struct
+{
+ atomic_long_t a;
+} local_t;
+
+
+static inline void local_inc(local_t *l)
+{
+ (l->a.counter)++;
+}
+
+static inline void local_set(local_t *l, int v)
+{
+ l->a.counter = v;
+}
+
+static inline void local_add(int v, local_t *l)
+{
+ l->a.counter += v;
+}
+
+static int local_add_return(int v, local_t *l)
+{
+ return l->a.counter += v;
+}
+
+static inline int local_read(local_t *l)
+{
+ return l->a.counter;
+}
+
+
+/* ATTRIBUTES */
+
#define ____cacheline_aligned
+#define __init
+#define __exit
+
+/* MATH */
+
+static inline unsigned int hweight32(unsigned int w)
+{
+ unsigned int res = w - ((w >> 1) & 0x55555555);
+ res = (res & 0x33333333) + ((res >> 2) & 0x33333333);
+ res = (res + (res >> 4)) & 0x0F0F0F0F;
+ res = res + (res >> 8);
+ return (res + (res >> 16)) & 0x000000FF;
+}
+
+static inline int fls(int x)
+{
+ int r;
+//ust// #ifdef CONFIG_X86_CMOV
+ asm("bsrl %1,%0\n\t"
+ "cmovzl %2,%0"
+ : "=&r" (r) : "rm" (x), "rm" (-1));
+//ust// #else
+//ust// asm("bsrl %1,%0\n\t"
+//ust// "jnz 1f\n\t"
+//ust// "movl $-1,%0\n"
+//ust// "1:" : "=r" (r) : "rm" (x));
+//ust// #endif
+ return r + 1;
+}
+
+static __inline__ int get_count_order(unsigned int count)
+{
+ int order;
+
+ order = fls(count) - 1;
+ if (count & (count - 1))
+ order++;
+ return order;
+}
+
+
+
+
+#include <unistd.h>
+
+#define ALIGN(x,a) __ALIGN_MASK(x,(typeof(x))(a)-1)
+#define __ALIGN_MASK(x,mask) (((x)+(mask))&~(mask))
+#define PAGE_ALIGN(addr) ALIGN(addr, PAGE_SIZE)
+#define PAGE_SIZE sysconf(_SC_PAGE_SIZE)
+#define PAGE_MASK (PAGE_SIZE-1)
+
+
+
+
+/* ARRAYS */
+
+#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
+
+/* TRACE CLOCK */
+
+//ust// static inline u64 trace_clock_read64(void)
+//ust// {
+//ust// uint32_t low;
+//ust// uint32_t high;
+//ust// uint64_t retval;
+//ust// __asm__ volatile ("rdtsc\n" : "=a" (low), "=d" (high));
+//ust//
+//ust// retval = high;
+//ust// retval <<= 32;
+//ust// return retval | low;
+//ust// }
+
+static inline u64 trace_clock_read64(void)
+{
+ struct timeval tv;
+ u64 retval;
+
+ gettimeofday(&tv, NULL);
+ retval = tv.tv_sec;
+ retval *= 1000000;
+ retval += tv.tv_usec;
+
+ return retval;
+}
+
+static inline u64 trace_clock_frequency(void)
+{
+ return 1000000LL;
+}
+
+static inline u32 trace_clock_freq_scale(void)
+{
+ return 1;
+}
+
+
+/* LISTS */
+
+#define list_add_rcu list_add
+#define list_for_each_entry_rcu list_for_each_entry
+
+
+#define EXPORT_SYMBOL_GPL(a) /*nothing*/
+
+#define smp_processor_id() (-1)
#endif /* KERNELCOMPAT_H */
projects / ust.git / blobdiff