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Wolfgang Denk932394a2005-08-17 12:55:25 +02001#ifndef _LINUX_COMPAT_H_
2#define _LINUX_COMPAT_H_
3
Heiko Schocher0c06db52014-06-24 10:10:03 +02004#include <malloc.h>
5#include <linux/types.h>
6#include <linux/err.h>
7
8struct unused {};
9typedef struct unused unused_t;
10
11struct p_current{
12 int pid;
13};
14
15extern struct p_current *current;
16
Wolfgang Denk932394a2005-08-17 12:55:25 +020017#define ndelay(x) udelay(1)
18
Wu, Josh2f96b062013-07-03 11:11:47 +080019#define dev_dbg(dev, fmt, args...) \
20 debug(fmt, ##args)
21#define dev_vdbg(dev, fmt, args...) \
22 debug(fmt, ##args)
23#define dev_info(dev, fmt, args...) \
24 printf(fmt, ##args)
25#define dev_err(dev, fmt, args...) \
26 printf(fmt, ##args)
Wolfgang Denk932394a2005-08-17 12:55:25 +020027#define printk printf
Heiko Schocher0c06db52014-06-24 10:10:03 +020028#define printk_once printf
Wolfgang Denk932394a2005-08-17 12:55:25 +020029
30#define KERN_EMERG
31#define KERN_ALERT
32#define KERN_CRIT
33#define KERN_ERR
34#define KERN_WARNING
35#define KERN_NOTICE
36#define KERN_INFO
37#define KERN_DEBUG
38
Heiko Schocher0c06db52014-06-24 10:10:03 +020039void *kmalloc(size_t size, int flags);
40void *kzalloc(size_t size, int flags);
41#define vmalloc(size) kmalloc(size, 0)
42#define __vmalloc(size, flags, pgsz) kmalloc(size, flags)
43#define kfree(ptr) free(ptr)
44#define vfree(ptr) free(ptr)
45
46struct kmem_cache { int sz; };
47
48struct kmem_cache *get_mem(int element_sz);
49#define kmem_cache_create(a, sz, c, d, e) get_mem(sz)
50void *kmem_cache_alloc(struct kmem_cache *obj, int flag);
51#define kmem_cache_free(obj, size) free(size)
52#define kmem_cache_destroy(obj) free(obj)
William Juulcfa460a2007-10-31 13:53:06 +010053
Stefan Roese0a572652009-05-12 14:29:39 +020054#define DECLARE_WAITQUEUE(...) do { } while (0)
55#define add_wait_queue(...) do { } while (0)
56#define remove_wait_queue(...) do { } while (0)
57
58#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
Wolfgang Denk932394a2005-08-17 12:55:25 +020059
Stefan Roese887e2ec2006-09-07 11:51:23 +020060#ifndef BUG
Wolfgang Denk932394a2005-08-17 12:55:25 +020061#define BUG() do { \
62 printf("U-Boot BUG at %s:%d!\n", __FILE__, __LINE__); \
63} while (0)
64
65#define BUG_ON(condition) do { if (condition) BUG(); } while(0)
Stefan Roese887e2ec2006-09-07 11:51:23 +020066#endif /* BUG */
Wolfgang Denk932394a2005-08-17 12:55:25 +020067
Mike Frysinger6777a3c2012-04-26 02:34:44 +000068#define WARN_ON(x) if (x) {printf("WARNING in %s line %d\n" \
69 , __FILE__, __LINE__); }
70
Wolfgang Denk932394a2005-08-17 12:55:25 +020071#define PAGE_SIZE 4096
Lijun Pan8f2df5d2014-06-20 12:17:29 -050072
Heiko Schocher0c06db52014-06-24 10:10:03 +020073/* drivers/char/random.c */
74#define get_random_bytes(...)
75
76/* idr.c */
77#define GFP_ATOMIC ((gfp_t) 0)
78#define GFP_KERNEL ((gfp_t) 0)
79#define GFP_NOFS ((gfp_t) 0)
80#define GFP_USER ((gfp_t) 0)
81#define __GFP_NOWARN ((gfp_t) 0)
82
83/* include/linux/leds.h */
84struct led_trigger {};
85
86#define DEFINE_LED_TRIGGER(x) static struct led_trigger *x;
87enum led_brightness {
88 LED_OFF = 0,
89 LED_HALF = 127,
90 LED_FULL = 255,
91};
92
93static inline void led_trigger_register_simple(const char *name,
94 struct led_trigger **trigger) {}
95static inline void led_trigger_unregister_simple(struct led_trigger *trigger) {}
96static inline void led_trigger_event(struct led_trigger *trigger,
97 enum led_brightness event) {}
98
99/* include/linux/log2.h */
100static inline int is_power_of_2(unsigned long n)
101{
102 return (n != 0 && ((n & (n - 1)) == 0));
103}
104
105/* uapi/linux/limits.h */
106#define XATTR_LIST_MAX 65536 /* size of extended attribute namelist (64k) */
107
108/**
109 * The type used for indexing onto a disc or disc partition.
110 *
111 * Linux always considers sectors to be 512 bytes long independently
112 * of the devices real block size.
113 *
114 * blkcnt_t is the type of the inode's block count.
115 */
116#ifdef CONFIG_LBDAF
117typedef u64 sector_t;
118typedef u64 blkcnt_t;
119#else
120typedef unsigned long sector_t;
121typedef unsigned long blkcnt_t;
122#endif
123
124#define ENOTSUPP 524 /* Operation is not supported */
125
Heiko Schocher0c06db52014-06-24 10:10:03 +0200126/* module */
127#define THIS_MODULE 0
128#define try_module_get(...) 1
129#define module_put(...) do { } while (0)
130#define module_init(...)
131#define module_exit(...)
132#define EXPORT_SYMBOL(...)
133#define EXPORT_SYMBOL_GPL(...)
134#define module_param(...)
135#define module_param_call(...)
136#define MODULE_PARM_DESC(...)
137#define MODULE_VERSION(...)
138#define MODULE_DESCRIPTION(...)
139#define MODULE_AUTHOR(...)
140#define MODULE_LICENSE(...)
141#define MODULE_ALIAS(...)
142#define __module_get(...)
143
144/* character device */
145#define MKDEV(...) 0
146#define MAJOR(dev) 0
147#define MINOR(dev) 0
148
149#define alloc_chrdev_region(...) 0
150#define unregister_chrdev_region(...)
151
152#define class_create(...) __builtin_return_address(0)
153#define class_create_file(...) 0
154#define class_remove_file(...)
155#define class_destroy(...)
156#define misc_register(...) 0
157#define misc_deregister(...)
158
159#define blocking_notifier_call_chain(...) 0
160
Heiko Schocher0c06db52014-06-24 10:10:03 +0200161#define __initdata
162#define late_initcall(...)
163
164#define dev_set_name(...) do { } while (0)
165#define device_register(...) 0
166#define volume_sysfs_init(...) 0
167#define volume_sysfs_close(...) do { } while (0)
168
169#define init_waitqueue_head(...) do { } while (0)
170#define wait_event_interruptible(...) 0
171#define wake_up_interruptible(...) do { } while (0)
172#define print_hex_dump(...) do { } while (0)
173#define dump_stack(...) do { } while (0)
174
175#define task_pid_nr(x) 0
176#define set_freezable(...) do { } while (0)
177#define try_to_freeze(...) 0
178#define set_current_state(...) do { } while (0)
179#define kthread_should_stop(...) 0
180#define schedule() do { } while (0)
181
182#define setup_timer(timer, func, data) do {} while (0)
183#define del_timer_sync(timer) do {} while (0)
184#define schedule_work(work) do {} while (0)
185#define INIT_WORK(work, fun) do {} while (0)
186
187struct work_struct {};
188
189unsigned long copy_from_user(void *dest, const void *src,
190 unsigned long count);
191
192void *vzalloc(unsigned long size);
193
194typedef unused_t spinlock_t;
195typedef int wait_queue_head_t;
196
197#define spin_lock_init(lock) do {} while (0)
198#define spin_lock(lock) do {} while (0)
199#define spin_unlock(lock) do {} while (0)
200#define spin_lock_irqsave(lock, flags) do { debug("%lu\n", flags); } while (0)
201#define spin_unlock_irqrestore(lock, flags) do { flags = 0; } while (0)
202
203#define DEFINE_MUTEX(...)
204#define mutex_init(...)
205#define mutex_lock(...)
206#define mutex_unlock(...)
207
208#define init_rwsem(...) do { } while (0)
209#define down_read(...) do { } while (0)
210#define down_write(...) do { } while (0)
211#define down_write_trylock(...) 1
212#define up_read(...) do { } while (0)
213#define up_write(...) do { } while (0)
214
215#define cond_resched() do { } while (0)
216#define yield() do { } while (0)
217
Heiko Schocher0c06db52014-06-24 10:10:03 +0200218#define __init
219#define __exit
220#define __devinit
221#define __devinitdata
222#define __devinitconst
Heiko Schocher0c06db52014-06-24 10:10:03 +0200223
224#define kthread_create(...) __builtin_return_address(0)
225#define kthread_stop(...) do { } while (0)
226#define wake_up_process(...) do { } while (0)
227
228struct rw_semaphore { int i; };
229#define down_write(...) do { } while (0)
230#define up_write(...) do { } while (0)
231#define down_read(...) do { } while (0)
232#define up_read(...) do { } while (0)
233struct device {
234 struct device *parent;
235 struct class *class;
236 dev_t devt; /* dev_t, creates the sysfs "dev" */
237 void (*release)(struct device *dev);
238 /* This is used from drivers/usb/musb-new subsystem only */
239 void *driver_data; /* data private to the driver */
240 void *device_data; /* data private to the device */
241};
242struct mutex { int i; };
243struct kernel_param { int i; };
244
245struct cdev {
246 int owner;
247 dev_t dev;
248};
249#define cdev_init(...) do { } while (0)
250#define cdev_add(...) 0
251#define cdev_del(...) do { } while (0)
252
Heiko Schocher0c06db52014-06-24 10:10:03 +0200253#define prandom_u32(...) 0
254
255typedef struct {
256 uid_t val;
257} kuid_t;
258
259typedef struct {
260 gid_t val;
261} kgid_t;
262
263/* from include/linux/types.h */
264
Heiko Schocher0c06db52014-06-24 10:10:03 +0200265/**
266 * struct callback_head - callback structure for use with RCU and task_work
267 * @next: next update requests in a list
268 * @func: actual update function to call after the grace period.
269 */
270struct callback_head {
271 struct callback_head *next;
272 void (*func)(struct callback_head *head);
273};
274#define rcu_head callback_head
275enum writeback_sync_modes {
276 WB_SYNC_NONE, /* Don't wait on anything */
277 WB_SYNC_ALL, /* Wait on every mapping */
278};
279
280/* from include/linux/writeback.h */
281/*
282 * A control structure which tells the writeback code what to do. These are
283 * always on the stack, and hence need no locking. They are always initialised
284 * in a manner such that unspecified fields are set to zero.
285 */
286struct writeback_control {
287 long nr_to_write; /* Write this many pages, and decrement
288 this for each page written */
289 long pages_skipped; /* Pages which were not written */
290
291 /*
292 * For a_ops->writepages(): if start or end are non-zero then this is
293 * a hint that the filesystem need only write out the pages inside that
294 * byterange. The byte at `end' is included in the writeout request.
295 */
296 loff_t range_start;
297 loff_t range_end;
298
299 enum writeback_sync_modes sync_mode;
300
301 unsigned for_kupdate:1; /* A kupdate writeback */
302 unsigned for_background:1; /* A background writeback */
303 unsigned tagged_writepages:1; /* tag-and-write to avoid livelock */
304 unsigned for_reclaim:1; /* Invoked from the page allocator */
305 unsigned range_cyclic:1; /* range_start is cyclic */
306 unsigned for_sync:1; /* sync(2) WB_SYNC_ALL writeback */
307};
308
309void *kmemdup(const void *src, size_t len, gfp_t gfp);
310
311typedef int irqreturn_t;
312
313struct timer_list {};
314struct notifier_block {};
315
316typedef unsigned long dmaaddr_t;
317
318#define cpu_relax() do {} while (0)
319
320#define pm_runtime_get_sync(dev) do {} while (0)
321#define pm_runtime_put(dev) do {} while (0)
322#define pm_runtime_put_sync(dev) do {} while (0)
323#define pm_runtime_use_autosuspend(dev) do {} while (0)
324#define pm_runtime_set_autosuspend_delay(dev, delay) do {} while (0)
325#define pm_runtime_enable(dev) do {} while (0)
326
327#define IRQ_NONE 0
328#define IRQ_HANDLED 1
Kishon Vijay Abraham I747a0a52015-02-23 18:39:58 +0530329#define IRQ_WAKE_THREAD 2
Heiko Schocher0c06db52014-06-24 10:10:03 +0200330
331#define dev_set_drvdata(dev, data) do {} while (0)
332
333#define enable_irq(...)
334#define disable_irq(...)
335#define disable_irq_wake(irq) do {} while (0)
336#define enable_irq_wake(irq) -EINVAL
337#define free_irq(irq, data) do {} while (0)
338#define request_irq(nr, f, flags, nm, data) 0
339
Wolfgang Denk932394a2005-08-17 12:55:25 +0200340#endif