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((x) < 1000 ? 1 : (x)/1000) 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 368