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
   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 /**
 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  */
 270 struct callback_head {
 271         struct callback_head *next;
 272         void (*func)(struct callback_head *head);
 273 };
 274 #define rcu_head callback_head
 275 enum 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  */
 286 struct 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
 309 void *kmemdup(const void *src, size_t len, gfp_t gfp);
 310
 311 typedef int irqreturn_t;
 312
 313 struct timer_list {};
 314 struct notifier_block {};
 315
 316 typedef 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
 329
 330 #define dev_set_drvdata(dev, data) do {} while (0)
 331
 332 #define enable_irq(...)
 333 #define disable_irq(...)
 334 #define disable_irq_wake(irq) do {} while (0)
 335 #define enable_irq_wake(irq) -EINVAL
 336 #define free_irq(irq, data) do {} while (0)
 337 #define request_irq(nr, f, flags, nm, data) 0
 338
 339 #endif