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[people/ms/u-boot.git] / include / linux / compat.h
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1#ifndef _LINUX_COMPAT_H_
2#define _LINUX_COMPAT_H_
3
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4#include <malloc.h>
5#include <linux/types.h>
6#include <linux/err.h>
5219db8a 7#include <linux/kernel.h>
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8
9struct unused {};
10typedef struct unused unused_t;
11
12struct p_current{
13 int pid;
14};
15
16extern struct p_current *current;
17
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18#define dev_dbg(dev, fmt, args...) \
19 debug(fmt, ##args)
20#define dev_vdbg(dev, fmt, args...) \
21 debug(fmt, ##args)
22#define dev_info(dev, fmt, args...) \
23 printf(fmt, ##args)
24#define dev_err(dev, fmt, args...) \
25 printf(fmt, ##args)
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26#define dev_warn(dev, fmt, args...) \
27 printf(fmt, ##args)
932394ac 28#define printk printf
0c06db59 29#define printk_once printf
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30
31#define KERN_EMERG
32#define KERN_ALERT
33#define KERN_CRIT
34#define KERN_ERR
35#define KERN_WARNING
36#define KERN_NOTICE
37#define KERN_INFO
38#define KERN_DEBUG
39
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40#define GFP_ATOMIC ((gfp_t) 0)
41#define GFP_KERNEL ((gfp_t) 0)
42#define GFP_NOFS ((gfp_t) 0)
43#define GFP_USER ((gfp_t) 0)
44#define __GFP_NOWARN ((gfp_t) 0)
45#define __GFP_ZERO ((__force gfp_t)0x8000u) /* Return zeroed page on success */
46
0c06db59 47void *kmalloc(size_t size, int flags);
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48
49static inline void *kzalloc(size_t size, gfp_t flags)
50{
51 return kmalloc(size, flags | __GFP_ZERO);
52}
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53
54static inline void *kmalloc_array(size_t n, size_t size, gfp_t flags)
55{
56 if (size != 0 && n > SIZE_MAX / size)
57 return NULL;
58 return kmalloc(n * size, flags | __GFP_ZERO);
59}
60
61static inline void *kcalloc(size_t n, size_t size, gfp_t flags)
62{
63 return kmalloc_array(n, size, flags | __GFP_ZERO);
64}
65
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66#define vmalloc(size) kmalloc(size, 0)
67#define __vmalloc(size, flags, pgsz) kmalloc(size, flags)
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68static inline void *vzalloc(unsigned long size)
69{
70 return kzalloc(size, 0);
71}
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72static inline void kfree(const void *block)
73{
74 free((void *)block);
75}
76static inline void vfree(const void *addr)
77{
78 free((void *)addr);
79}
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80
81struct kmem_cache { int sz; };
82
83struct kmem_cache *get_mem(int element_sz);
84#define kmem_cache_create(a, sz, c, d, e) get_mem(sz)
85void *kmem_cache_alloc(struct kmem_cache *obj, int flag);
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86static inline void kmem_cache_free(struct kmem_cache *cachep, void *obj)
87{
88 free(obj);
89}
90static inline void kmem_cache_destroy(struct kmem_cache *cachep)
91{
92 free(cachep);
93}
cfa460ad 94
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95#define DECLARE_WAITQUEUE(...) do { } while (0)
96#define add_wait_queue(...) do { } while (0)
97#define remove_wait_queue(...) do { } while (0)
98
99#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
932394ac 100
887e2ec9 101#ifndef BUG
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102#define BUG() do { \
103 printf("U-Boot BUG at %s:%d!\n", __FILE__, __LINE__); \
104} while (0)
105
106#define BUG_ON(condition) do { if (condition) BUG(); } while(0)
887e2ec9 107#endif /* BUG */
932394ac 108
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109#define WARN_ON(x) if (x) {printf("WARNING in %s line %d\n" \
110 , __FILE__, __LINE__); }
111
932394ac 112#define PAGE_SIZE 4096
8f2df5d3 113
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114/* drivers/char/random.c */
115#define get_random_bytes(...)
116
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117/* include/linux/leds.h */
118struct led_trigger {};
119
120#define DEFINE_LED_TRIGGER(x) static struct led_trigger *x;
121enum led_brightness {
122 LED_OFF = 0,
123 LED_HALF = 127,
124 LED_FULL = 255,
125};
126
127static inline void led_trigger_register_simple(const char *name,
128 struct led_trigger **trigger) {}
129static inline void led_trigger_unregister_simple(struct led_trigger *trigger) {}
130static inline void led_trigger_event(struct led_trigger *trigger,
131 enum led_brightness event) {}
132
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133/* uapi/linux/limits.h */
134#define XATTR_LIST_MAX 65536 /* size of extended attribute namelist (64k) */
135
136/**
137 * The type used for indexing onto a disc or disc partition.
138 *
139 * Linux always considers sectors to be 512 bytes long independently
140 * of the devices real block size.
141 *
142 * blkcnt_t is the type of the inode's block count.
143 */
144#ifdef CONFIG_LBDAF
145typedef u64 sector_t;
146typedef u64 blkcnt_t;
147#else
148typedef unsigned long sector_t;
149typedef unsigned long blkcnt_t;
150#endif
151
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152/* module */
153#define THIS_MODULE 0
154#define try_module_get(...) 1
155#define module_put(...) do { } while (0)
156#define module_init(...)
157#define module_exit(...)
158#define EXPORT_SYMBOL(...)
159#define EXPORT_SYMBOL_GPL(...)
160#define module_param(...)
161#define module_param_call(...)
162#define MODULE_PARM_DESC(...)
163#define MODULE_VERSION(...)
164#define MODULE_DESCRIPTION(...)
165#define MODULE_AUTHOR(...)
166#define MODULE_LICENSE(...)
167#define MODULE_ALIAS(...)
168#define __module_get(...)
169
170/* character device */
171#define MKDEV(...) 0
172#define MAJOR(dev) 0
173#define MINOR(dev) 0
174
175#define alloc_chrdev_region(...) 0
176#define unregister_chrdev_region(...)
177
178#define class_create(...) __builtin_return_address(0)
179#define class_create_file(...) 0
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180#define class_register(...) 0
181#define class_unregister(...)
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182#define class_remove_file(...)
183#define class_destroy(...)
184#define misc_register(...) 0
185#define misc_deregister(...)
186
187#define blocking_notifier_call_chain(...) 0
188
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189#define __initdata
190#define late_initcall(...)
191
192#define dev_set_name(...) do { } while (0)
193#define device_register(...) 0
5219db8a 194#define device_unregister(...)
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195#define volume_sysfs_init(...) 0
196#define volume_sysfs_close(...) do { } while (0)
197
198#define init_waitqueue_head(...) do { } while (0)
199#define wait_event_interruptible(...) 0
200#define wake_up_interruptible(...) do { } while (0)
201#define print_hex_dump(...) do { } while (0)
202#define dump_stack(...) do { } while (0)
203
204#define task_pid_nr(x) 0
205#define set_freezable(...) do { } while (0)
206#define try_to_freeze(...) 0
207#define set_current_state(...) do { } while (0)
208#define kthread_should_stop(...) 0
209#define schedule() do { } while (0)
210
211#define setup_timer(timer, func, data) do {} while (0)
212#define del_timer_sync(timer) do {} while (0)
213#define schedule_work(work) do {} while (0)
214#define INIT_WORK(work, fun) do {} while (0)
215
216struct work_struct {};
217
218unsigned long copy_from_user(void *dest, const void *src,
219 unsigned long count);
220
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221typedef unused_t spinlock_t;
222typedef int wait_queue_head_t;
223
224#define spin_lock_init(lock) do {} while (0)
225#define spin_lock(lock) do {} while (0)
226#define spin_unlock(lock) do {} while (0)
227#define spin_lock_irqsave(lock, flags) do { debug("%lu\n", flags); } while (0)
228#define spin_unlock_irqrestore(lock, flags) do { flags = 0; } while (0)
229
230#define DEFINE_MUTEX(...)
231#define mutex_init(...)
232#define mutex_lock(...)
233#define mutex_unlock(...)
234
235#define init_rwsem(...) do { } while (0)
236#define down_read(...) do { } while (0)
237#define down_write(...) do { } while (0)
238#define down_write_trylock(...) 1
239#define up_read(...) do { } while (0)
240#define up_write(...) do { } while (0)
241
242#define cond_resched() do { } while (0)
243#define yield() do { } while (0)
244
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245#define __init
246#define __exit
247#define __devinit
248#define __devinitdata
249#define __devinitconst
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250
251#define kthread_create(...) __builtin_return_address(0)
252#define kthread_stop(...) do { } while (0)
253#define wake_up_process(...) do { } while (0)
254
255struct rw_semaphore { int i; };
256#define down_write(...) do { } while (0)
257#define up_write(...) do { } while (0)
258#define down_read(...) do { } while (0)
259#define up_read(...) do { } while (0)
260struct device {
261 struct device *parent;
262 struct class *class;
263 dev_t devt; /* dev_t, creates the sysfs "dev" */
264 void (*release)(struct device *dev);
265 /* This is used from drivers/usb/musb-new subsystem only */
266 void *driver_data; /* data private to the driver */
267 void *device_data; /* data private to the device */
268};
269struct mutex { int i; };
270struct kernel_param { int i; };
271
272struct cdev {
273 int owner;
274 dev_t dev;
275};
276#define cdev_init(...) do { } while (0)
277#define cdev_add(...) 0
278#define cdev_del(...) do { } while (0)
279
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280#define prandom_u32(...) 0
281
282typedef struct {
283 uid_t val;
284} kuid_t;
285
286typedef struct {
287 gid_t val;
288} kgid_t;
289
290/* from include/linux/types.h */
291
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292/**
293 * struct callback_head - callback structure for use with RCU and task_work
294 * @next: next update requests in a list
295 * @func: actual update function to call after the grace period.
296 */
297struct callback_head {
298 struct callback_head *next;
299 void (*func)(struct callback_head *head);
300};
301#define rcu_head callback_head
302enum writeback_sync_modes {
303 WB_SYNC_NONE, /* Don't wait on anything */
304 WB_SYNC_ALL, /* Wait on every mapping */
305};
306
307/* from include/linux/writeback.h */
308/*
309 * A control structure which tells the writeback code what to do. These are
310 * always on the stack, and hence need no locking. They are always initialised
311 * in a manner such that unspecified fields are set to zero.
312 */
313struct writeback_control {
314 long nr_to_write; /* Write this many pages, and decrement
315 this for each page written */
316 long pages_skipped; /* Pages which were not written */
317
318 /*
319 * For a_ops->writepages(): if start or end are non-zero then this is
320 * a hint that the filesystem need only write out the pages inside that
321 * byterange. The byte at `end' is included in the writeout request.
322 */
323 loff_t range_start;
324 loff_t range_end;
325
326 enum writeback_sync_modes sync_mode;
327
328 unsigned for_kupdate:1; /* A kupdate writeback */
329 unsigned for_background:1; /* A background writeback */
330 unsigned tagged_writepages:1; /* tag-and-write to avoid livelock */
331 unsigned for_reclaim:1; /* Invoked from the page allocator */
332 unsigned range_cyclic:1; /* range_start is cyclic */
333 unsigned for_sync:1; /* sync(2) WB_SYNC_ALL writeback */
334};
335
336void *kmemdup(const void *src, size_t len, gfp_t gfp);
337
338typedef int irqreturn_t;
339
340struct timer_list {};
341struct notifier_block {};
342
343typedef unsigned long dmaaddr_t;
344
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345#define pm_runtime_get_sync(dev) do {} while (0)
346#define pm_runtime_put(dev) do {} while (0)
347#define pm_runtime_put_sync(dev) do {} while (0)
348#define pm_runtime_use_autosuspend(dev) do {} while (0)
349#define pm_runtime_set_autosuspend_delay(dev, delay) do {} while (0)
350#define pm_runtime_enable(dev) do {} while (0)
351
352#define IRQ_NONE 0
353#define IRQ_HANDLED 1
747a0a5b 354#define IRQ_WAKE_THREAD 2
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355
356#define dev_set_drvdata(dev, data) do {} while (0)
357
358#define enable_irq(...)
359#define disable_irq(...)
360#define disable_irq_wake(irq) do {} while (0)
361#define enable_irq_wake(irq) -EINVAL
362#define free_irq(irq, data) do {} while (0)
363#define request_irq(nr, f, flags, nm, data) 0
364
932394ac 365#endif