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 374