xref: /openbmc/u-boot/include/linux/compat.h (revision b5493d17)
1 #ifndef _LINUX_COMPAT_H_
2 #define _LINUX_COMPAT_H_
3 
4 #include <malloc.h>
5 #include <linux/types.h>
6 #include <linux/err.h>
7 
8 struct unused {};
9 typedef struct unused unused_t;
10 
11 struct p_current{
12        int pid;
13 };
14 
15 extern struct p_current *current;
16 
17 #define ndelay(x)	udelay(1)
18 
19 #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)
27 #define printk	printf
28 #define printk_once	printf
29 
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 
39 void *kmalloc(size_t size, int flags);
40 void *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 
46 struct kmem_cache { int sz; };
47 
48 struct kmem_cache *get_mem(int element_sz);
49 #define kmem_cache_create(a, sz, c, d, e)	get_mem(sz)
50 void *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)
53 
54 #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))
59 
60 #ifndef BUG
61 #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)
66 #endif /* BUG */
67 
68 #define WARN_ON(x) if (x) {printf("WARNING in %s line %d\n" \
69 				  , __FILE__, __LINE__); }
70 
71 #define PAGE_SIZE	4096
72 
73 /* 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 */
84 struct led_trigger {};
85 
86 #define DEFINE_LED_TRIGGER(x)		static struct led_trigger *x;
87 enum led_brightness {
88 	LED_OFF		= 0,
89 	LED_HALF	= 127,
90 	LED_FULL	= 255,
91 };
92 
93 static inline void led_trigger_register_simple(const char *name,
94 					struct led_trigger **trigger) {}
95 static inline void led_trigger_unregister_simple(struct led_trigger *trigger) {}
96 static inline void led_trigger_event(struct led_trigger *trigger,
97 					enum led_brightness event) {}
98 
99 /* include/linux/log2.h */
100 static 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
117 typedef u64 sector_t;
118 typedef u64 blkcnt_t;
119 #else
120 typedef unsigned long sector_t;
121 typedef unsigned long blkcnt_t;
122 #endif
123 
124 #define ENOTSUPP	524	/* Operation is not supported */
125 
126 /* 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 
161 #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 
187 struct work_struct {};
188 
189 unsigned long copy_from_user(void *dest, const void *src,
190 			     unsigned long count);
191 
192 void *vzalloc(unsigned long size);
193 
194 typedef unused_t spinlock_t;
195 typedef 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 
218 #define __init
219 #define __exit
220 #define __devinit
221 #define __devinitdata
222 #define __devinitconst
223 
224 #define kthread_create(...)	__builtin_return_address(0)
225 #define kthread_stop(...)	do { } while (0)
226 #define wake_up_process(...)	do { } while (0)
227 
228 struct 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)
233 struct 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 };
242 struct mutex { int i; };
243 struct kernel_param { int i; };
244 
245 struct 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 
253 #define prandom_u32(...)	0
254 
255 typedef struct {
256 	uid_t val;
257 } kuid_t;
258 
259 typedef struct {
260 	gid_t val;
261 } kgid_t;
262 
263 /* from include/linux/types.h */
264 
265 typedef int	atomic_t;
266 /**
267  * struct callback_head - callback structure for use with RCU and task_work
268  * @next: next update requests in a list
269  * @func: actual update function to call after the grace period.
270  */
271 struct callback_head {
272 	struct callback_head *next;
273 	void (*func)(struct callback_head *head);
274 };
275 #define rcu_head callback_head
276 enum writeback_sync_modes {
277 	WB_SYNC_NONE,	/* Don't wait on anything */
278 	WB_SYNC_ALL,	/* Wait on every mapping */
279 };
280 
281 /* from include/linux/writeback.h */
282 /*
283  * A control structure which tells the writeback code what to do.  These are
284  * always on the stack, and hence need no locking.  They are always initialised
285  * in a manner such that unspecified fields are set to zero.
286  */
287 struct writeback_control {
288 	long nr_to_write;		/* Write this many pages, and decrement
289 					   this for each page written */
290 	long pages_skipped;		/* Pages which were not written */
291 
292 	/*
293 	 * For a_ops->writepages(): if start or end are non-zero then this is
294 	 * a hint that the filesystem need only write out the pages inside that
295 	 * byterange.  The byte at `end' is included in the writeout request.
296 	 */
297 	loff_t range_start;
298 	loff_t range_end;
299 
300 	enum writeback_sync_modes sync_mode;
301 
302 	unsigned for_kupdate:1;		/* A kupdate writeback */
303 	unsigned for_background:1;	/* A background writeback */
304 	unsigned tagged_writepages:1;	/* tag-and-write to avoid livelock */
305 	unsigned for_reclaim:1;		/* Invoked from the page allocator */
306 	unsigned range_cyclic:1;	/* range_start is cyclic */
307 	unsigned for_sync:1;		/* sync(2) WB_SYNC_ALL writeback */
308 };
309 
310 void *kmemdup(const void *src, size_t len, gfp_t gfp);
311 
312 typedef int irqreturn_t;
313 
314 struct timer_list {};
315 struct notifier_block {};
316 
317 typedef unsigned long dmaaddr_t;
318 
319 #define cpu_relax() do {} while (0)
320 
321 #define pm_runtime_get_sync(dev) do {} while (0)
322 #define pm_runtime_put(dev) do {} while (0)
323 #define pm_runtime_put_sync(dev) do {} while (0)
324 #define pm_runtime_use_autosuspend(dev) do {} while (0)
325 #define pm_runtime_set_autosuspend_delay(dev, delay) do {} while (0)
326 #define pm_runtime_enable(dev) do {} while (0)
327 
328 #define IRQ_NONE 0
329 #define IRQ_HANDLED 1
330 
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 
340 #endif
341