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