include/linux/compat.h

   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 #include <linux/kernel.h>
   8
   9 struct unused {};
  10 typedef struct unused unused_t;
  11
  12 struct p_current{
  13        int pid;
  14 };
  15
  16 extern struct p_current *current;
  17
  18 #define ndelay(x)       udelay(1)
  19
  20 #define dev_dbg(dev, fmt, args...)              \
  21         debug(fmt, ##args)
  22 #define dev_vdbg(dev, fmt, args...)             \
  23         debug(fmt, ##args)
  24 #define dev_info(dev, fmt, args...)             \
  25         printf(fmt, ##args)
  26 #define dev_err(dev, fmt, args...)              \
  27         printf(fmt, ##args)
  28 #define printk  printf
  29 #define printk_once     printf
  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
  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
  47 void *kmalloc(size_t size, int flags);
  48
  49 static inline void *kzalloc(size_t size, gfp_t flags)
  50 {
  51         return kmalloc(size, flags | __GFP_ZERO);
  52 }
  53
  54 static 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
  61 static inline void *kcalloc(size_t n, size_t size, gfp_t flags)
  62 {
  63         return kmalloc_array(n, size, flags | __GFP_ZERO);
  64 }
  65
  66 #define vmalloc(size)   kmalloc(size, 0)
  67 #define __vmalloc(size, flags, pgsz)    kmalloc(size, flags)
  68 static inline void *vzalloc(unsigned long size)
  69 {
  70         return kzalloc(size, 0);
  71 }
  72 static inline void kfree(const void *block)
  73 {
  74         free((void *)block);
  75 }
  76 static inline void vfree(const void *addr)
  77 {
  78         free((void *)addr);
  79 }
  80
  81 struct kmem_cache { int sz; };
  82
  83 struct kmem_cache *get_mem(int element_sz);
  84 #define kmem_cache_create(a, sz, c, d, e)       get_mem(sz)
  85 void *kmem_cache_alloc(struct kmem_cache *obj, int flag);
  86 static inline void kmem_cache_free(struct kmem_cache *cachep, void *obj)
  87 {
  88         free(obj);
  89 }
  90 static inline void kmem_cache_destroy(struct kmem_cache *cachep)
  91 {
  92         free(cachep);
  93 }
  94
  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))
 100
 101 #ifndef BUG
 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)
 107 #endif /* BUG */
 108
 109 #define WARN_ON(x) if (x) {printf("WARNING in %s line %d\n" \
 110                                   , __FILE__, __LINE__); }
 111
 112 #define PAGE_SIZE       4096
 113
 114 /* drivers/char/random.c */
 115 #define get_random_bytes(...)
 116
 117 /* include/linux/leds.h */
 118 struct led_trigger {};
 119
 120 #define DEFINE_LED_TRIGGER(x)           static struct led_trigger *x;
 121 enum led_brightness {
 122         LED_OFF         = 0,
 123         LED_HALF        = 127,
 124         LED_FULL        = 255,
 125 };
 126
 127 static inline void led_trigger_register_simple(const char *name,
 128                                         struct led_trigger **trigger) {}
 129 static inline void led_trigger_unregister_simple(struct led_trigger *trigger) {}
 130 static inline void led_trigger_event(struct led_trigger *trigger,
 131                                         enum led_brightness event) {}
 132
 133 /* include/linux/log2.h */
 134 static inline int is_power_of_2(unsigned long n)
 135 {
 136         return (n != 0 && ((n & (n - 1)) == 0));
 137 }
 138
 139 /* uapi/linux/limits.h */
 140 #define XATTR_LIST_MAX 65536    /* size of extended attribute namelist (64k) */
 141
 142 /**
 143  * The type used for indexing onto a disc or disc partition.
 144  *
 145  * Linux always considers sectors to be 512 bytes long independently
 146  * of the devices real block size.
 147  *
 148  * blkcnt_t is the type of the inode's block count.
 149  */
 150 #ifdef CONFIG_LBDAF
 151 typedef u64 sector_t;
 152 typedef u64 blkcnt_t;
 153 #else
 154 typedef unsigned long sector_t;
 155 typedef unsigned long blkcnt_t;
 156 #endif
 157
 158 #define ENOTSUPP        524     /* Operation is not supported */
 159
 160 /* module */
 161 #define THIS_MODULE             0
 162 #define try_module_get(...)     1
 163 #define module_put(...)         do { } while (0)
 164 #define module_init(...)
 165 #define module_exit(...)
 166 #define EXPORT_SYMBOL(...)
 167 #define EXPORT_SYMBOL_GPL(...)
 168 #define module_param(...)
 169 #define module_param_call(...)
 170 #define MODULE_PARM_DESC(...)
 171 #define MODULE_VERSION(...)
 172 #define MODULE_DESCRIPTION(...)
 173 #define MODULE_AUTHOR(...)
 174 #define MODULE_LICENSE(...)
 175 #define MODULE_ALIAS(...)
 176 #define __module_get(...)
 177
 178 /* character device */
 179 #define MKDEV(...)                      0
 180 #define MAJOR(dev)                      0
 181 #define MINOR(dev)                      0
 182
 183 #define alloc_chrdev_region(...)        0
 184 #define unregister_chrdev_region(...)
 185
 186 #define class_create(...)               __builtin_return_address(0)
 187 #define class_create_file(...)          0
 188 #define class_register(...)             0
 189 #define class_unregister(...)
 190 #define class_remove_file(...)
 191 #define class_destroy(...)
 192 #define misc_register(...)              0
 193 #define misc_deregister(...)
 194
 195 #define blocking_notifier_call_chain(...) 0
 196
 197 #define __initdata
 198 #define late_initcall(...)
 199
 200 #define dev_set_name(...)               do { } while (0)
 201 #define device_register(...)            0
 202 #define device_unregister(...)
 203 #define volume_sysfs_init(...)          0
 204 #define volume_sysfs_close(...)         do { } while (0)
 205
 206 #define init_waitqueue_head(...)        do { } while (0)
 207 #define wait_event_interruptible(...)   0
 208 #define wake_up_interruptible(...)      do { } while (0)
 209 #define print_hex_dump(...)             do { } while (0)
 210 #define dump_stack(...)                 do { } while (0)
 211
 212 #define task_pid_nr(x)                  0
 213 #define set_freezable(...)              do { } while (0)
 214 #define try_to_freeze(...)              0
 215 #define set_current_state(...)          do { } while (0)
 216 #define kthread_should_stop(...)        0
 217 #define schedule()                      do { } while (0)
 218
 219 #define setup_timer(timer, func, data) do {} while (0)
 220 #define del_timer_sync(timer) do {} while (0)
 221 #define schedule_work(work) do {} while (0)
 222 #define INIT_WORK(work, fun) do {} while (0)
 223
 224 struct work_struct {};
 225
 226 unsigned long copy_from_user(void *dest, const void *src,
 227                              unsigned long count);
 228
 229 typedef unused_t spinlock_t;
 230 typedef int     wait_queue_head_t;
 231
 232 #define spin_lock_init(lock) do {} while (0)
 233 #define spin_lock(lock) do {} while (0)
 234 #define spin_unlock(lock) do {} while (0)
 235 #define spin_lock_irqsave(lock, flags) do { debug("%lu\n", flags); } while (0)
 236 #define spin_unlock_irqrestore(lock, flags) do { flags = 0; } while (0)
 237
 238 #define DEFINE_MUTEX(...)
 239 #define mutex_init(...)
 240 #define mutex_lock(...)
 241 #define mutex_unlock(...)
 242
 243 #define init_rwsem(...)                 do { } while (0)
 244 #define down_read(...)                  do { } while (0)
 245 #define down_write(...)                 do { } while (0)
 246 #define down_write_trylock(...)         1
 247 #define up_read(...)                    do { } while (0)
 248 #define up_write(...)                   do { } while (0)
 249
 250 #define cond_resched()                  do { } while (0)
 251 #define yield()                         do { } while (0)
 252
 253 #define __init
 254 #define __exit
 255 #define __devinit
 256 #define __devinitdata
 257 #define __devinitconst
 258
 259 #define kthread_create(...)     __builtin_return_address(0)
 260 #define kthread_stop(...)       do { } while (0)
 261 #define wake_up_process(...)    do { } while (0)
 262
 263 struct rw_semaphore { int i; };
 264 #define down_write(...)                 do { } while (0)
 265 #define up_write(...)                   do { } while (0)
 266 #define down_read(...)                  do { } while (0)
 267 #define up_read(...)                    do { } while (0)
 268 struct device {
 269         struct device           *parent;
 270         struct class            *class;
 271         dev_t                   devt;   /* dev_t, creates the sysfs "dev" */
 272         void    (*release)(struct device *dev);
 273         /* This is used from drivers/usb/musb-new subsystem only */
 274         void            *driver_data;   /* data private to the driver */
 275         void            *device_data;   /* data private to the device */
 276 };
 277 struct mutex { int i; };
 278 struct kernel_param { int i; };
 279
 280 struct cdev {
 281         int owner;
 282         dev_t dev;
 283 };
 284 #define cdev_init(...)          do { } while (0)
 285 #define cdev_add(...)           0
 286 #define cdev_del(...)           do { } while (0)
 287
 288 #define prandom_u32(...)        0
 289
 290 typedef struct {
 291         uid_t val;
 292 } kuid_t;
 293
 294 typedef struct {
 295         gid_t val;
 296 } kgid_t;
 297
 298 /* from include/linux/types.h */
 299
 300 /**
 301  * struct callback_head - callback structure for use with RCU and task_work
 302  * @next: next update requests in a list
 303  * @func: actual update function to call after the grace period.
 304  */
 305 struct callback_head {
 306         struct callback_head *next;
 307         void (*func)(struct callback_head *head);
 308 };
 309 #define rcu_head callback_head
 310 enum writeback_sync_modes {
 311         WB_SYNC_NONE,   /* Don't wait on anything */
 312         WB_SYNC_ALL,    /* Wait on every mapping */
 313 };
 314
 315 /* from include/linux/writeback.h */
 316 /*
 317  * A control structure which tells the writeback code what to do.  These are
 318  * always on the stack, and hence need no locking.  They are always initialised
 319  * in a manner such that unspecified fields are set to zero.
 320  */
 321 struct writeback_control {
 322         long nr_to_write;               /* Write this many pages, and decrement
 323                                            this for each page written */
 324         long pages_skipped;             /* Pages which were not written */
 325
 326         /*
 327          * For a_ops->writepages(): if start or end are non-zero then this is
 328          * a hint that the filesystem need only write out the pages inside that
 329          * byterange.  The byte at `end' is included in the writeout request.
 330          */
 331         loff_t range_start;
 332         loff_t range_end;
 333
 334         enum writeback_sync_modes sync_mode;
 335
 336         unsigned for_kupdate:1;         /* A kupdate writeback */
 337         unsigned for_background:1;      /* A background writeback */
 338         unsigned tagged_writepages:1;   /* tag-and-write to avoid livelock */
 339         unsigned for_reclaim:1;         /* Invoked from the page allocator */
 340         unsigned range_cyclic:1;        /* range_start is cyclic */
 341         unsigned for_sync:1;            /* sync(2) WB_SYNC_ALL writeback */
 342 };
 343
 344 void *kmemdup(const void *src, size_t len, gfp_t gfp);
 345
 346 typedef int irqreturn_t;
 347
 348 struct timer_list {};
 349 struct notifier_block {};
 350
 351 typedef unsigned long dmaaddr_t;
 352
 353 #define pm_runtime_get_sync(dev) do {} while (0)
 354 #define pm_runtime_put(dev) do {} while (0)
 355 #define pm_runtime_put_sync(dev) do {} while (0)
 356 #define pm_runtime_use_autosuspend(dev) do {} while (0)
 357 #define pm_runtime_set_autosuspend_delay(dev, delay) do {} while (0)
 358 #define pm_runtime_enable(dev) do {} while (0)
 359
 360 #define IRQ_NONE 0
 361 #define IRQ_HANDLED 1
 362 #define IRQ_WAKE_THREAD 2
 363
 364 #define dev_set_drvdata(dev, data) do {} while (0)
 365
 366 #define enable_irq(...)
 367 #define disable_irq(...)
 368 #define disable_irq_wake(irq) do {} while (0)
 369 #define enable_irq_wake(irq) -EINVAL
 370 #define free_irq(irq, data) do {} while (0)
 371 #define request_irq(nr, f, flags, nm, data) 0
 372
 373 #endif