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 #define GFP_ATOMIC ((gfp_t) 0)
  40 #define GFP_KERNEL ((gfp_t) 0)
  41 #define GFP_NOFS ((gfp_t) 0)
  42 #define GFP_USER ((gfp_t) 0)
  43 #define __GFP_NOWARN ((gfp_t) 0)
  44 #define __GFP_ZERO      ((__force gfp_t)0x8000u)        /* Return zeroed page on success */
  45
  46 void *kmalloc(size_t size, int flags);
  47
  48 static inline void *kzalloc(size_t size, gfp_t flags)
  49 {
  50         return kmalloc(size, flags | __GFP_ZERO);
  51 }
  52 #define vmalloc(size)   kmalloc(size, 0)
  53 #define __vmalloc(size, flags, pgsz)    kmalloc(size, flags)
  54 static inline void *vzalloc(unsigned long size)
  55 {
  56         return kzalloc(size, 0);
  57 }
  58 #define kfree(ptr)      free(ptr)
  59 #define vfree(ptr)      free(ptr)
  60
  61 struct kmem_cache { int sz; };
  62
  63 struct kmem_cache *get_mem(int element_sz);
  64 #define kmem_cache_create(a, sz, c, d, e)       get_mem(sz)
  65 void *kmem_cache_alloc(struct kmem_cache *obj, int flag);
  66 #define kmem_cache_free(obj, size)      free(size)
  67 #define kmem_cache_destroy(obj)         free(obj)
  68
  69 #define DECLARE_WAITQUEUE(...)  do { } while (0)
  70 #define add_wait_queue(...)     do { } while (0)
  71 #define remove_wait_queue(...)  do { } while (0)
  72
  73 #define KERNEL_VERSION(a,b,c)   (((a) << 16) + ((b) << 8) + (c))
  74
  75 #ifndef BUG
  76 #define BUG() do { \
  77         printf("U-Boot BUG at %s:%d!\n", __FILE__, __LINE__); \
  78 } while (0)
  79
  80 #define BUG_ON(condition) do { if (condition) BUG(); } while(0)
  81 #endif /* BUG */
  82
  83 #define WARN_ON(x) if (x) {printf("WARNING in %s line %d\n" \
  84                                   , __FILE__, __LINE__); }
  85
  86 #define PAGE_SIZE       4096
  87
  88 /* drivers/char/random.c */
  89 #define get_random_bytes(...)
  90
  91 /* include/linux/leds.h */
  92 struct led_trigger {};
  93
  94 #define DEFINE_LED_TRIGGER(x)           static struct led_trigger *x;
  95 enum led_brightness {
  96         LED_OFF         = 0,
  97         LED_HALF        = 127,
  98         LED_FULL        = 255,
  99 };
 100
 101 static inline void led_trigger_register_simple(const char *name,
 102                                         struct led_trigger **trigger) {}
 103 static inline void led_trigger_unregister_simple(struct led_trigger *trigger) {}
 104 static inline void led_trigger_event(struct led_trigger *trigger,
 105                                         enum led_brightness event) {}
 106
 107 /* include/linux/log2.h */
 108 static inline int is_power_of_2(unsigned long n)
 109 {
 110         return (n != 0 && ((n & (n - 1)) == 0));
 111 }
 112
 113 /* uapi/linux/limits.h */
 114 #define XATTR_LIST_MAX 65536    /* size of extended attribute namelist (64k) */
 115
 116 /**
 117  * The type used for indexing onto a disc or disc partition.
 118  *
 119  * Linux always considers sectors to be 512 bytes long independently
 120  * of the devices real block size.
 121  *
 122  * blkcnt_t is the type of the inode's block count.
 123  */
 124 #ifdef CONFIG_LBDAF
 125 typedef u64 sector_t;
 126 typedef u64 blkcnt_t;
 127 #else
 128 typedef unsigned long sector_t;
 129 typedef unsigned long blkcnt_t;
 130 #endif
 131
 132 #define ENOTSUPP        524     /* Operation is not supported */
 133
 134 /* module */
 135 #define THIS_MODULE             0
 136 #define try_module_get(...)     1
 137 #define module_put(...)         do { } while (0)
 138 #define module_init(...)
 139 #define module_exit(...)
 140 #define EXPORT_SYMBOL(...)
 141 #define EXPORT_SYMBOL_GPL(...)
 142 #define module_param(...)
 143 #define module_param_call(...)
 144 #define MODULE_PARM_DESC(...)
 145 #define MODULE_VERSION(...)
 146 #define MODULE_DESCRIPTION(...)
 147 #define MODULE_AUTHOR(...)
 148 #define MODULE_LICENSE(...)
 149 #define MODULE_ALIAS(...)
 150 #define __module_get(...)
 151
 152 /* character device */
 153 #define MKDEV(...)                      0
 154 #define MAJOR(dev)                      0
 155 #define MINOR(dev)                      0
 156
 157 #define alloc_chrdev_region(...)        0
 158 #define unregister_chrdev_region(...)
 159
 160 #define class_create(...)               __builtin_return_address(0)
 161 #define class_create_file(...)          0
 162 #define class_remove_file(...)
 163 #define class_destroy(...)
 164 #define misc_register(...)              0
 165 #define misc_deregister(...)
 166
 167 #define blocking_notifier_call_chain(...) 0
 168
 169 #define __initdata
 170 #define late_initcall(...)
 171
 172 #define dev_set_name(...)               do { } while (0)
 173 #define device_register(...)            0
 174 #define volume_sysfs_init(...)          0
 175 #define volume_sysfs_close(...)         do { } while (0)
 176
 177 #define init_waitqueue_head(...)        do { } while (0)
 178 #define wait_event_interruptible(...)   0
 179 #define wake_up_interruptible(...)      do { } while (0)
 180 #define print_hex_dump(...)             do { } while (0)
 181 #define dump_stack(...)                 do { } while (0)
 182
 183 #define task_pid_nr(x)                  0
 184 #define set_freezable(...)              do { } while (0)
 185 #define try_to_freeze(...)              0
 186 #define set_current_state(...)          do { } while (0)
 187 #define kthread_should_stop(...)        0
 188 #define schedule()                      do { } while (0)
 189
 190 #define setup_timer(timer, func, data) do {} while (0)
 191 #define del_timer_sync(timer) do {} while (0)
 192 #define schedule_work(work) do {} while (0)
 193 #define INIT_WORK(work, fun) do {} while (0)
 194
 195 struct work_struct {};
 196
 197 unsigned long copy_from_user(void *dest, const void *src,
 198                              unsigned long count);
 199
 200 typedef unused_t spinlock_t;
 201 typedef int     wait_queue_head_t;
 202
 203 #define spin_lock_init(lock) do {} while (0)
 204 #define spin_lock(lock) do {} while (0)
 205 #define spin_unlock(lock) do {} while (0)
 206 #define spin_lock_irqsave(lock, flags) do { debug("%lu\n", flags); } while (0)
 207 #define spin_unlock_irqrestore(lock, flags) do { flags = 0; } while (0)
 208
 209 #define DEFINE_MUTEX(...)
 210 #define mutex_init(...)
 211 #define mutex_lock(...)
 212 #define mutex_unlock(...)
 213
 214 #define init_rwsem(...)                 do { } while (0)
 215 #define down_read(...)                  do { } while (0)
 216 #define down_write(...)                 do { } while (0)
 217 #define down_write_trylock(...)         1
 218 #define up_read(...)                    do { } while (0)
 219 #define up_write(...)                   do { } while (0)
 220
 221 #define cond_resched()                  do { } while (0)
 222 #define yield()                         do { } while (0)
 223
 224 #define __init
 225 #define __exit
 226 #define __devinit
 227 #define __devinitdata
 228 #define __devinitconst
 229
 230 #define kthread_create(...)     __builtin_return_address(0)
 231 #define kthread_stop(...)       do { } while (0)
 232 #define wake_up_process(...)    do { } while (0)
 233
 234 struct rw_semaphore { int i; };
 235 #define down_write(...)                 do { } while (0)
 236 #define up_write(...)                   do { } while (0)
 237 #define down_read(...)                  do { } while (0)
 238 #define up_read(...)                    do { } while (0)
 239 struct device {
 240         struct device           *parent;
 241         struct class            *class;
 242         dev_t                   devt;   /* dev_t, creates the sysfs "dev" */
 243         void    (*release)(struct device *dev);
 244         /* This is used from drivers/usb/musb-new subsystem only */
 245         void            *driver_data;   /* data private to the driver */
 246         void            *device_data;   /* data private to the device */
 247 };
 248 struct mutex { int i; };
 249 struct kernel_param { int i; };
 250
 251 struct cdev {
 252         int owner;
 253         dev_t dev;
 254 };
 255 #define cdev_init(...)          do { } while (0)
 256 #define cdev_add(...)           0
 257 #define cdev_del(...)           do { } while (0)
 258
 259 #define prandom_u32(...)        0
 260
 261 typedef struct {
 262         uid_t val;
 263 } kuid_t;
 264
 265 typedef struct {
 266         gid_t val;
 267 } kgid_t;
 268
 269 /* from include/linux/types.h */
 270
 271 /**
 272  * struct callback_head - callback structure for use with RCU and task_work
 273  * @next: next update requests in a list
 274  * @func: actual update function to call after the grace period.
 275  */
 276 struct callback_head {
 277         struct callback_head *next;
 278         void (*func)(struct callback_head *head);
 279 };
 280 #define rcu_head callback_head
 281 enum writeback_sync_modes {
 282         WB_SYNC_NONE,   /* Don't wait on anything */
 283         WB_SYNC_ALL,    /* Wait on every mapping */
 284 };
 285
 286 /* from include/linux/writeback.h */
 287 /*
 288  * A control structure which tells the writeback code what to do.  These are
 289  * always on the stack, and hence need no locking.  They are always initialised
 290  * in a manner such that unspecified fields are set to zero.
 291  */
 292 struct writeback_control {
 293         long nr_to_write;               /* Write this many pages, and decrement
 294                                            this for each page written */
 295         long pages_skipped;             /* Pages which were not written */
 296
 297         /*
 298          * For a_ops->writepages(): if start or end are non-zero then this is
 299          * a hint that the filesystem need only write out the pages inside that
 300          * byterange.  The byte at `end' is included in the writeout request.
 301          */
 302         loff_t range_start;
 303         loff_t range_end;
 304
 305         enum writeback_sync_modes sync_mode;
 306
 307         unsigned for_kupdate:1;         /* A kupdate writeback */
 308         unsigned for_background:1;      /* A background writeback */
 309         unsigned tagged_writepages:1;   /* tag-and-write to avoid livelock */
 310         unsigned for_reclaim:1;         /* Invoked from the page allocator */
 311         unsigned range_cyclic:1;        /* range_start is cyclic */
 312         unsigned for_sync:1;            /* sync(2) WB_SYNC_ALL writeback */
 313 };
 314
 315 void *kmemdup(const void *src, size_t len, gfp_t gfp);
 316
 317 typedef int irqreturn_t;
 318
 319 struct timer_list {};
 320 struct notifier_block {};
 321
 322 typedef unsigned long dmaaddr_t;
 323
 324 #define pm_runtime_get_sync(dev) do {} while (0)
 325 #define pm_runtime_put(dev) do {} while (0)
 326 #define pm_runtime_put_sync(dev) do {} while (0)
 327 #define pm_runtime_use_autosuspend(dev) do {} while (0)
 328 #define pm_runtime_set_autosuspend_delay(dev, delay) do {} while (0)
 329 #define pm_runtime_enable(dev) do {} while (0)
 330
 331 #define IRQ_NONE 0
 332 #define IRQ_HANDLED 1
 333 #define IRQ_WAKE_THREAD 2
 334
 335 #define dev_set_drvdata(dev, data) do {} while (0)
 336
 337 #define enable_irq(...)
 338 #define disable_irq(...)
 339 #define disable_irq_wake(irq) do {} while (0)
 340 #define enable_irq_wake(irq) -EINVAL
 341 #define free_irq(irq, data) do {} while (0)
 342 #define request_irq(nr, f, flags, nm, data) 0
 343
 344 #endif