1#ifndef _LINUX_COMPAT_H_
2#define _LINUX_COMPAT_H_
3
4#include <console.h>
5#include <cyclic.h>
6#include <log.h>
7#include <malloc.h>
8
9#include <asm/processor.h>
10
11#include <linux/types.h>
12#include <linux/err.h>
13#include <linux/kernel.h>
14
15#ifdef CONFIG_XEN
16#include <xen/events.h>
17#endif
18
19struct unused {};
20typedef struct unused unused_t;
21
22struct p_current{
23 int pid;
24};
25
26extern struct p_current *current;
27
28#define GFP_ATOMIC ((gfp_t) 0)
29#define GFP_KERNEL ((gfp_t) 0)
30#define GFP_NOFS ((gfp_t) 0)
31#define GFP_USER ((gfp_t) 0)
32#define __GFP_NOWARN ((gfp_t) 0)
33#define __GFP_ZERO ((__force gfp_t)0x8000u)
34
35void *kmalloc(size_t size, int flags);
36
37static inline void *kzalloc(size_t size, gfp_t flags)
38{
39 return kmalloc(size, flags | __GFP_ZERO);
40}
41
42static inline void *kmalloc_array(size_t n, size_t size, gfp_t flags)
43{
44 if (size != 0 && n > SIZE_MAX / size)
45 return NULL;
46 return kmalloc(n * size, flags | __GFP_ZERO);
47}
48
49static inline void *kcalloc(size_t n, size_t size, gfp_t flags)
50{
51 return kmalloc_array(n, size, flags | __GFP_ZERO);
52}
53
54#define vmalloc(size) kmalloc(size, 0)
55#define __vmalloc(size, flags, pgsz) kmalloc(size, flags)
56static inline void *vzalloc(unsigned long size)
57{
58 return kzalloc(size, 0);
59}
60static inline void kfree(const void *block)
61{
62 free((void *)block);
63}
64static inline void vfree(const void *addr)
65{
66 free((void *)addr);
67}
68
69struct kmem_cache { int sz; };
70
71struct kmem_cache *get_mem(int element_sz);
72#define kmem_cache_create(a, sz, c, d, e) get_mem(sz)
73void *kmem_cache_alloc(struct kmem_cache *obj, int flag);
74static inline void kmem_cache_free(struct kmem_cache *cachep, void *obj)
75{
76 free(obj);
77}
78static inline void kmem_cache_destroy(struct kmem_cache *cachep)
79{
80 free(cachep);
81}
82
83#define DECLARE_WAITQUEUE(...) do { } while (0)
84#define add_wait_queue(...) do { } while (0)
85#define remove_wait_queue(...) do { } while (0)
86
87#ifndef CONFIG_XEN
88#define eventchn_poll()
89#endif
90
91#define __wait_event_timeout(condition, timeout, ret) \
92({ \
93 ulong __ret = ret; \
94 ulong start = get_timer(0); \
95 for (;;) { \
96 eventchn_poll(); \
97 if (condition) { \
98 __ret = 1; \
99 break; \
100 } \
101 if ((get_timer(start) > timeout) || ctrlc()) { \
102 __ret = 0; \
103 break; \
104 } \
105 cpu_relax(); \
106 } \
107 __ret; \
108})
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123#define wait_event_timeout(wq_head, condition, timeout) \
124({ \
125 ulong __ret; \
126 if (condition) \
127 __ret = 1; \
128 else \
129 __ret = __wait_event_timeout(condition, timeout, __ret);\
130 __ret; \
131})
132
133#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
134
135
136#ifndef PAGE_SIZE
137#define PAGE_SIZE 4096
138#endif
139
140
141#define get_random_bytes(...)
142
143
144struct led_trigger {};
145
146#define DEFINE_LED_TRIGGER(x) static struct led_trigger *x;
147enum led_brightness {
148 LED_OFF = 0,
149 LED_HALF = 127,
150 LED_FULL = 255,
151};
152
153static inline void led_trigger_register_simple(const char *name,
154 struct led_trigger **trigger) {}
155static inline void led_trigger_unregister_simple(struct led_trigger *trigger) {}
156static inline void led_trigger_event(struct led_trigger *trigger,
157 enum led_brightness event) {}
158
159
160#define XATTR_LIST_MAX 65536
161
162
163
164
165
166
167
168
169
170#ifdef CONFIG_LBDAF
171typedef u64 sector_t;
172typedef u64 blkcnt_t;
173#else
174typedef unsigned long sector_t;
175typedef unsigned long blkcnt_t;
176#endif
177
178
179#define THIS_MODULE 0
180#define try_module_get(...) 1
181#define module_put(...) do { } while (0)
182#define module_init(...)
183#define module_exit(...)
184#define EXPORT_SYMBOL(...)
185#define EXPORT_SYMBOL_GPL(...)
186#define module_param(...)
187#define module_param_call(...)
188#define MODULE_PARM_DESC(...)
189#define MODULE_VERSION(...)
190#define MODULE_DESCRIPTION(...)
191#define MODULE_AUTHOR(...)
192#define MODULE_LICENSE(...)
193#define MODULE_ALIAS(...)
194#define __module_get(...)
195
196
197#define MKDEV(...) 0
198#define MAJOR(dev) 0
199#define MINOR(dev) 0
200
201#define alloc_chrdev_region(...) 0
202#define unregister_chrdev_region(...)
203
204#define class_create(...) __builtin_return_address(0)
205#define class_create_file(...) 0
206#define class_register(...) 0
207#define class_unregister(...)
208#define class_remove_file(...)
209#define class_destroy(...)
210#define misc_register(...) 0
211#define misc_deregister(...)
212
213#define blocking_notifier_call_chain(...) 0
214
215#define __initdata
216#define late_initcall(...)
217
218#define dev_set_name(...) do { } while (0)
219#define device_register(...) 0
220#define device_unregister(...)
221#define volume_sysfs_init(...) 0
222#define volume_sysfs_close(...) do { } while (0)
223
224#define init_waitqueue_head(...) do { } while (0)
225#define wait_event_interruptible(...) 0
226#define wake_up_interruptible(...) do { } while (0)
227#define dump_stack(...) do { } while (0)
228
229#define task_pid_nr(x) 0
230#define set_freezable(...) do { } while (0)
231#define try_to_freeze(...) 0
232#define set_current_state(...) do { } while (0)
233#define kthread_should_stop(...) 0
234
235#define setup_timer(timer, func, data) do {} while (0)
236#define del_timer_sync(timer) do {} while (0)
237#define schedule_work(work) do {} while (0)
238#define INIT_WORK(work, fun) do {} while (0)
239
240struct work_struct {};
241
242unsigned long copy_from_user(void *dest, const void *src,
243 unsigned long count);
244
245typedef unused_t spinlock_t;
246typedef int wait_queue_head_t;
247
248#define spin_lock_init(lock) do {} while (0)
249#define spin_lock(lock) do {} while (0)
250#define spin_unlock(lock) do {} while (0)
251#define spin_lock_irqsave(lock, flags) do {} while (0)
252#define spin_unlock_irqrestore(lock, flags) do { flags = 0; } while (0)
253
254#define DEFINE_MUTEX(...)
255#define mutex_init(...)
256#define mutex_lock(...)
257#define mutex_unlock(...)
258
259#define init_rwsem(...) do { } while (0)
260#define down_read(...) do { } while (0)
261#define down_write(...) do { } while (0)
262#define down_write_trylock(...) 1
263#define up_read(...) do { } while (0)
264#define up_write(...) do { } while (0)
265
266#define cond_resched() do { } while (0)
267#define yield() do { } while (0)
268
269#define __init
270#define __exit
271#define __devinit
272#define __devinitdata
273#define __devinitconst
274
275#define kthread_create(...) __builtin_return_address(0)
276#define kthread_stop(...) do { } while (0)
277#define wake_up_process(...) do { } while (0)
278
279struct rw_semaphore { int i; };
280#define down_write(...) do { } while (0)
281#define up_write(...) do { } while (0)
282#define down_read(...) do { } while (0)
283#define up_read(...) do { } while (0)
284struct device {
285 struct device *parent;
286 struct class *class;
287 dev_t devt;
288 void (*release)(struct device *dev);
289
290 void *driver_data;
291 void *device_data;
292};
293struct mutex { int i; };
294struct kernel_param { int i; };
295
296struct cdev {
297 int owner;
298 dev_t dev;
299};
300#define cdev_init(...) do { } while (0)
301#define cdev_add(...) 0
302#define cdev_del(...) do { } while (0)
303
304#define prandom_u32(...) 0
305
306typedef struct {
307 uid_t val;
308} kuid_t;
309
310typedef struct {
311 gid_t val;
312} kgid_t;
313
314
315
316
317
318
319
320
321struct callback_head {
322 struct callback_head *next;
323 void (*func)(struct callback_head *head);
324};
325#define rcu_head callback_head
326enum writeback_sync_modes {
327 WB_SYNC_NONE,
328 WB_SYNC_ALL,
329};
330
331
332
333
334
335
336
337struct writeback_control {
338 long nr_to_write;
339
340 long pages_skipped;
341
342
343
344
345
346
347 loff_t range_start;
348 loff_t range_end;
349
350 enum writeback_sync_modes sync_mode;
351
352 unsigned for_kupdate:1;
353 unsigned for_background:1;
354 unsigned tagged_writepages:1;
355 unsigned for_reclaim:1;
356 unsigned range_cyclic:1;
357 unsigned for_sync:1;
358};
359
360void *kmemdup(const void *src, size_t len, gfp_t gfp);
361
362typedef int irqreturn_t;
363
364struct timer_list {};
365struct notifier_block {};
366
367typedef unsigned long dmaaddr_t;
368
369#define pm_runtime_get_sync(dev) do {} while (0)
370#define pm_runtime_put(dev) do {} while (0)
371#define pm_runtime_put_sync(dev) do {} while (0)
372#define pm_runtime_use_autosuspend(dev) do {} while (0)
373#define pm_runtime_set_autosuspend_delay(dev, delay) do {} while (0)
374#define pm_runtime_enable(dev) do {} while (0)
375
376#define IRQ_NONE 0
377#define IRQ_HANDLED 1
378#define IRQ_WAKE_THREAD 2
379
380#define dev_set_drvdata(dev, data) do {} while (0)
381
382#define enable_irq(...)
383#define disable_irq(...)
384#define disable_irq_wake(irq) do {} while (0)
385#define enable_irq_wake(irq) -EINVAL
386#define free_irq(irq, data) do {} while (0)
387#define request_irq(nr, f, flags, nm, data) 0
388
389#endif
390