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 dev_warn(dev, fmt, args...)             \
  29         printf(fmt, ##args)
  30 #define printk  printf
  31 #define printk_once     printf
  32
  33 #define KERN_EMERG
  34 #define KERN_ALERT
  35 #define KERN_CRIT
  36 #define KERN_ERR
  37 #define KERN_WARNING
  38 #define KERN_NOTICE
  39 #define KERN_INFO
  40 #define KERN_DEBUG
  41
  42 #define GFP_ATOMIC ((gfp_t) 0)
  43 #define GFP_KERNEL ((gfp_t) 0)
  44 #define GFP_NOFS ((gfp_t) 0)
  45 #define GFP_USER ((gfp_t) 0)
  46 #define __GFP_NOWARN ((gfp_t) 0)
  47 #define __GFP_ZERO      ((__force gfp_t)0x8000u)        /* Return zeroed page on success */
  48
  49 void *kmalloc(size_t size, int flags);
  50
  51 static inline void *kzalloc(size_t size, gfp_t flags)
  52 {
  53         return kmalloc(size, flags | __GFP_ZERO);
  54 }
  55
  56 static inline void *kmalloc_array(size_t n, size_t size, gfp_t flags)
  57 {
  58         if (size != 0 && n > SIZE_MAX / size)
  59                 return NULL;
  60         return kmalloc(n * size, flags | __GFP_ZERO);
  61 }
  62
  63 static inline void *kcalloc(size_t n, size_t size, gfp_t flags)
  64 {
  65         return kmalloc_array(n, size, flags | __GFP_ZERO);
  66 }
  67
  68 #define vmalloc(size)   kmalloc(size, 0)
  69 #define __vmalloc(size, flags, pgsz)    kmalloc(size, flags)
  70 static inline void *vzalloc(unsigned long size)
  71 {
  72         return kzalloc(size, 0);
  73 }
  74 static inline void kfree(const void *block)
  75 {
  76         free((void *)block);
  77 }
  78 static inline void vfree(const void *addr)
  79 {
  80         free((void *)addr);
  81 }
  82
  83 struct kmem_cache { int sz; };
  84
  85 struct kmem_cache *get_mem(int element_sz);
  86 #define kmem_cache_create(a, sz, c, d, e)       get_mem(sz)
  87 void *kmem_cache_alloc(struct kmem_cache *obj, int flag);
  88 static inline void kmem_cache_free(struct kmem_cache *cachep, void *obj)
  89 {
  90         free(obj);
  91 }
  92 static inline void kmem_cache_destroy(struct kmem_cache *cachep)
  93 {
  94         free(cachep);
  95 }
  96
  97 #define DECLARE_WAITQUEUE(...)  do { } while (0)
  98 #define add_wait_queue(...)     do { } while (0)
  99 #define remove_wait_queue(...)  do { } while (0)
 100
 101 #define KERNEL_VERSION(a,b,c)   (((a) << 16) + ((b) << 8) + (c))
 102
 103 #ifndef BUG
 104 #define BUG() do { \
 105         printf("U-Boot BUG at %s:%d!\n", __FILE__, __LINE__); \
 106 } while (0)
 107
 108 #define BUG_ON(condition) do { if (condition) BUG(); } while(0)
 109 #endif /* BUG */
 110
 111 #define WARN_ON(x) if (x) {printf("WARNING in %s line %d\n" \
 112                                   , __FILE__, __LINE__); }
 113
 114 #define PAGE_SIZE       4096
 115
 116 /* drivers/char/random.c */
 117 #define get_random_bytes(...)
 118
 119 /* include/linux/leds.h */
 120 struct led_trigger {};
 121
 122 #define DEFINE_LED_TRIGGER(x)           static struct led_trigger *x;
 123 enum led_brightness {
 124         LED_OFF         = 0,
 125         LED_HALF        = 127,
 126         LED_FULL        = 255,
 127 };
 128
 129 static inline void led_trigger_register_simple(const char *name,
 130                                         struct led_trigger **trigger) {}
 131 static inline void led_trigger_unregister_simple(struct led_trigger *trigger) {}
 132 static inline void led_trigger_event(struct led_trigger *trigger,
 133                                         enum led_brightness event) {}
 134
 135 /* uapi/linux/limits.h */
 136 #define XATTR_LIST_MAX 65536    /* size of extended attribute namelist (64k) */
 137
 138 /**
 139  * The type used for indexing onto a disc or disc partition.
 140  *
 141  * Linux always considers sectors to be 512 bytes long independently
 142  * of the devices real block size.
 143  *
 144  * blkcnt_t is the type of the inode's block count.
 145  */
 146 #ifdef CONFIG_LBDAF
 147 typedef u64 sector_t;
 148 typedef u64 blkcnt_t;
 149 #else
 150 typedef unsigned long sector_t;
 151 typedef unsigned long blkcnt_t;
 152 #endif
 153
 154 /* module */
 155 #define THIS_MODULE             0
 156 #define try_module_get(...)     1
 157 #define module_put(...)         do { } while (0)
 158 #define module_init(...)
 159 #define module_exit(...)
 160 #define EXPORT_SYMBOL(...)
 161 #define EXPORT_SYMBOL_GPL(...)
 162 #define module_param(...)
 163 #define module_param_call(...)
 164 #define MODULE_PARM_DESC(...)
 165 #define MODULE_VERSION(...)
 166 #define MODULE_DESCRIPTION(...)
 167 #define MODULE_AUTHOR(...)
 168 #define MODULE_LICENSE(...)
 169 #define MODULE_ALIAS(...)
 170 #define __module_get(...)
 171
 172 /* character device */
 173 #define MKDEV(...)                      0
 174 #define MAJOR(dev)                      0
 175 #define MINOR(dev)                      0
 176
 177 #define alloc_chrdev_region(...)        0
 178 #define unregister_chrdev_region(...)
 179
 180 #define class_create(...)               __builtin_return_address(0)
 181 #define class_create_file(...)          0
 182 #define class_register(...)             0
 183 #define class_unregister(...)
 184 #define class_remove_file(...)
 185 #define class_destroy(...)
 186 #define misc_register(...)              0
 187 #define misc_deregister(...)
 188
 189 #define blocking_notifier_call_chain(...) 0
 190
 191 #define __initdata
 192 #define late_initcall(...)
 193
 194 #define dev_set_name(...)               do { } while (0)
 195 #define device_register(...)            0
 196 #define device_unregister(...)
 197 #define volume_sysfs_init(...)          0
 198 #define volume_sysfs_close(...)         do { } while (0)
 199
 200 #define init_waitqueue_head(...)        do { } while (0)
 201 #define wait_event_interruptible(...)   0
 202 #define wake_up_interruptible(...)      do { } while (0)
 203 #define print_hex_dump(...)             do { } while (0)
 204 #define dump_stack(...)                 do { } while (0)
 205
 206 #define task_pid_nr(x)                  0
 207 #define set_freezable(...)              do { } while (0)
 208 #define try_to_freeze(...)              0
 209 #define set_current_state(...)          do { } while (0)
 210 #define kthread_should_stop(...)        0
 211 #define schedule()                      do { } while (0)
 212
 213 #define setup_timer(timer, func, data) do {} while (0)
 214 #define del_timer_sync(timer) do {} while (0)
 215 #define schedule_work(work) do {} while (0)
 216 #define INIT_WORK(work, fun) do {} while (0)
 217
 218 struct work_struct {};
 219
 220 unsigned long copy_from_user(void *dest, const void *src,
 221                              unsigned long count);
 222
 223 typedef unused_t spinlock_t;
 224 typedef int     wait_queue_head_t;
 225
 226 #define spin_lock_init(lock) do {} while (0)
 227 #define spin_lock(lock) do {} while (0)
 228 #define spin_unlock(lock) do {} while (0)
 229 #define spin_lock_irqsave(lock, flags) do { debug("%lu\n", flags); } while (0)
 230 #define spin_unlock_irqrestore(lock, flags) do { flags = 0; } while (0)
 231
 232 #define DEFINE_MUTEX(...)
 233 #define mutex_init(...)
 234 #define mutex_lock(...)
 235 #define mutex_unlock(...)
 236
 237 #define init_rwsem(...)                 do { } while (0)
 238 #define down_read(...)                  do { } while (0)
 239 #define down_write(...)                 do { } while (0)
 240 #define down_write_trylock(...)         1
 241 #define up_read(...)                    do { } while (0)
 242 #define up_write(...)                   do { } while (0)
 243
 244 #define cond_resched()                  do { } while (0)
 245 #define yield()                         do { } while (0)
 246
 247 #define __init
 248 #define __exit
 249 #define __devinit
 250 #define __devinitdata
 251 #define __devinitconst
 252
 253 #define kthread_create(...)     __builtin_return_address(0)
 254 #define kthread_stop(...)       do { } while (0)
 255 #define wake_up_process(...)    do { } while (0)
 256
 257 struct rw_semaphore { int i; };
 258 #define down_write(...)                 do { } while (0)
 259 #define up_write(...)                   do { } while (0)
 260 #define down_read(...)                  do { } while (0)
 261 #define up_read(...)                    do { } while (0)
 262 struct device {
 263         struct device           *parent;
 264         struct class            *class;
 265         dev_t                   devt;   /* dev_t, creates the sysfs "dev" */
 266         void    (*release)(struct device *dev);
 267         /* This is used from drivers/usb/musb-new subsystem only */
 268         void            *driver_data;   /* data private to the driver */
 269         void            *device_data;   /* data private to the device */
 270 };
 271 struct mutex { int i; };
 272 struct kernel_param { int i; };
 273
 274 struct cdev {
 275         int owner;
 276         dev_t dev;
 277 };
 278 #define cdev_init(...)          do { } while (0)
 279 #define cdev_add(...)           0
 280 #define cdev_del(...)           do { } while (0)
 281
 282 #define prandom_u32(...)        0
 283
 284 typedef struct {
 285         uid_t val;
 286 } kuid_t;
 287
 288 typedef struct {
 289         gid_t val;
 290 } kgid_t;
 291
 292 /* from include/linux/types.h */
 293
 294 /**
 295  * struct callback_head - callback structure for use with RCU and task_work
 296  * @next: next update requests in a list
 297  * @func: actual update function to call after the grace period.
 298  */
 299 struct callback_head {
 300         struct callback_head *next;
 301         void (*func)(struct callback_head *head);
 302 };
 303 #define rcu_head callback_head
 304 enum writeback_sync_modes {
 305         WB_SYNC_NONE,   /* Don't wait on anything */
 306         WB_SYNC_ALL,    /* Wait on every mapping */
 307 };
 308
 309 /* from include/linux/writeback.h */
 310 /*
 311  * A control structure which tells the writeback code what to do.  These are
 312  * always on the stack, and hence need no locking.  They are always initialised
 313  * in a manner such that unspecified fields are set to zero.
 314  */
 315 struct writeback_control {
 316         long nr_to_write;               /* Write this many pages, and decrement
 317                                            this for each page written */
 318         long pages_skipped;             /* Pages which were not written */
 319
 320         /*
 321          * For a_ops->writepages(): if start or end are non-zero then this is
 322          * a hint that the filesystem need only write out the pages inside that
 323          * byterange.  The byte at `end' is included in the writeout request.
 324          */
 325         loff_t range_start;
 326         loff_t range_end;
 327
 328         enum writeback_sync_modes sync_mode;
 329
 330         unsigned for_kupdate:1;         /* A kupdate writeback */
 331         unsigned for_background:1;      /* A background writeback */
 332         unsigned tagged_writepages:1;   /* tag-and-write to avoid livelock */
 333         unsigned for_reclaim:1;         /* Invoked from the page allocator */
 334         unsigned range_cyclic:1;        /* range_start is cyclic */
 335         unsigned for_sync:1;            /* sync(2) WB_SYNC_ALL writeback */
 336 };
 337
 338 void *kmemdup(const void *src, size_t len, gfp_t gfp);
 339
 340 typedef int irqreturn_t;
 341
 342 struct timer_list {};
 343 struct notifier_block {};
 344
 345 typedef unsigned long dmaaddr_t;
 346
 347 #define pm_runtime_get_sync(dev) do {} while (0)
 348 #define pm_runtime_put(dev) do {} while (0)
 349 #define pm_runtime_put_sync(dev) do {} while (0)
 350 #define pm_runtime_use_autosuspend(dev) do {} while (0)
 351 #define pm_runtime_set_autosuspend_delay(dev, delay) do {} while (0)
 352 #define pm_runtime_enable(dev) do {} while (0)
 353
 354 #define IRQ_NONE 0
 355 #define IRQ_HANDLED 1
 356 #define IRQ_WAKE_THREAD 2
 357
 358 #define dev_set_drvdata(dev, data) do {} while (0)
 359
 360 #define enable_irq(...)
 361 #define disable_irq(...)
 362 #define disable_irq_wake(irq) do {} while (0)
 363 #define enable_irq_wake(irq) -EINVAL
 364 #define free_irq(irq, data) do {} while (0)
 365 #define request_irq(nr, f, flags, nm, data) 0
 366
 367 #endif