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 dev_dbg(dev, fmt, args...) \ 19 debug(fmt, ##args) 20 #define dev_vdbg(dev, fmt, args...) \ 21 debug(fmt, ##args) 22 #define dev_info(dev, fmt, args...) \ 23 printf(fmt, ##args) 24 #define dev_err(dev, fmt, args...) \ 25 printf(fmt, ##args) 26 #define dev_warn(dev, fmt, args...) \ 27 printf(fmt, ##args) 28 29 #define GFP_ATOMIC ((gfp_t) 0) 30 #define GFP_KERNEL ((gfp_t) 0) 31 #define GFP_NOFS ((gfp_t) 0) 32 #define GFP_USER ((gfp_t) 0) 33 #define __GFP_NOWARN ((gfp_t) 0) 34 #define __GFP_ZERO ((__force gfp_t)0x8000u) /* Return zeroed page on success */ 35 36 void *kmalloc(size_t size, int flags); 37 38 static inline void *kzalloc(size_t size, gfp_t flags) 39 { 40 return kmalloc(size, flags | __GFP_ZERO); 41 } 42 43 static inline void *kmalloc_array(size_t n, size_t size, gfp_t flags) 44 { 45 if (size != 0 && n > SIZE_MAX / size) 46 return NULL; 47 return kmalloc(n * size, flags | __GFP_ZERO); 48 } 49 50 static inline void *kcalloc(size_t n, size_t size, gfp_t flags) 51 { 52 return kmalloc_array(n, size, flags | __GFP_ZERO); 53 } 54 55 #define vmalloc(size) kmalloc(size, 0) 56 #define __vmalloc(size, flags, pgsz) kmalloc(size, flags) 57 static inline void *vzalloc(unsigned long size) 58 { 59 return kzalloc(size, 0); 60 } 61 static inline void kfree(const void *block) 62 { 63 free((void *)block); 64 } 65 static inline void vfree(const void *addr) 66 { 67 free((void *)addr); 68 } 69 70 struct kmem_cache { int sz; }; 71 72 struct kmem_cache *get_mem(int element_sz); 73 #define kmem_cache_create(a, sz, c, d, e) get_mem(sz) 74 void *kmem_cache_alloc(struct kmem_cache *obj, int flag); 75 static inline void kmem_cache_free(struct kmem_cache *cachep, void *obj) 76 { 77 free(obj); 78 } 79 static inline void kmem_cache_destroy(struct kmem_cache *cachep) 80 { 81 free(cachep); 82 } 83 84 #define DECLARE_WAITQUEUE(...) do { } while (0) 85 #define add_wait_queue(...) do { } while (0) 86 #define remove_wait_queue(...) do { } while (0) 87 88 #define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c)) 89 90 #ifndef BUG 91 #define BUG() do { \ 92 printf("U-Boot BUG at %s:%d!\n", __FILE__, __LINE__); \ 93 } while (0) 94 95 #define BUG_ON(condition) do { if (condition) BUG(); } while(0) 96 #endif /* BUG */ 97 98 #define WARN_ON(condition) ({ \ 99 int __ret_warn_on = !!(condition); \ 100 if (unlikely(__ret_warn_on)) \ 101 printf("WARNING in %s line %d\n", __FILE__, __LINE__); \ 102 unlikely(__ret_warn_on); \ 103 }) 104 105 #define PAGE_SIZE 4096 106 107 /* drivers/char/random.c */ 108 #define get_random_bytes(...) 109 110 /* include/linux/leds.h */ 111 struct led_trigger {}; 112 113 #define DEFINE_LED_TRIGGER(x) static struct led_trigger *x; 114 enum led_brightness { 115 LED_OFF = 0, 116 LED_HALF = 127, 117 LED_FULL = 255, 118 }; 119 120 static inline void led_trigger_register_simple(const char *name, 121 struct led_trigger **trigger) {} 122 static inline void led_trigger_unregister_simple(struct led_trigger *trigger) {} 123 static inline void led_trigger_event(struct led_trigger *trigger, 124 enum led_brightness event) {} 125 126 /* uapi/linux/limits.h */ 127 #define XATTR_LIST_MAX 65536 /* size of extended attribute namelist (64k) */ 128 129 /** 130 * The type used for indexing onto a disc or disc partition. 131 * 132 * Linux always considers sectors to be 512 bytes long independently 133 * of the devices real block size. 134 * 135 * blkcnt_t is the type of the inode's block count. 136 */ 137 #ifdef CONFIG_LBDAF 138 typedef u64 sector_t; 139 typedef u64 blkcnt_t; 140 #else 141 typedef unsigned long sector_t; 142 typedef unsigned long blkcnt_t; 143 #endif 144 145 /* module */ 146 #define THIS_MODULE 0 147 #define try_module_get(...) 1 148 #define module_put(...) do { } while (0) 149 #define module_init(...) 150 #define module_exit(...) 151 #define EXPORT_SYMBOL(...) 152 #define EXPORT_SYMBOL_GPL(...) 153 #define module_param(...) 154 #define module_param_call(...) 155 #define MODULE_PARM_DESC(...) 156 #define MODULE_VERSION(...) 157 #define MODULE_DESCRIPTION(...) 158 #define MODULE_AUTHOR(...) 159 #define MODULE_LICENSE(...) 160 #define MODULE_ALIAS(...) 161 #define __module_get(...) 162 163 /* character device */ 164 #define MKDEV(...) 0 165 #define MAJOR(dev) 0 166 #define MINOR(dev) 0 167 168 #define alloc_chrdev_region(...) 0 169 #define unregister_chrdev_region(...) 170 171 #define class_create(...) __builtin_return_address(0) 172 #define class_create_file(...) 0 173 #define class_register(...) 0 174 #define class_unregister(...) 175 #define class_remove_file(...) 176 #define class_destroy(...) 177 #define misc_register(...) 0 178 #define misc_deregister(...) 179 180 #define blocking_notifier_call_chain(...) 0 181 182 #define __initdata 183 #define late_initcall(...) 184 185 #define dev_set_name(...) do { } while (0) 186 #define device_register(...) 0 187 #define device_unregister(...) 188 #define volume_sysfs_init(...) 0 189 #define volume_sysfs_close(...) do { } while (0) 190 191 #define init_waitqueue_head(...) do { } while (0) 192 #define wait_event_interruptible(...) 0 193 #define wake_up_interruptible(...) do { } while (0) 194 #define print_hex_dump(...) do { } while (0) 195 #define dump_stack(...) do { } while (0) 196 197 #define task_pid_nr(x) 0 198 #define set_freezable(...) do { } while (0) 199 #define try_to_freeze(...) 0 200 #define set_current_state(...) do { } while (0) 201 #define kthread_should_stop(...) 0 202 #define schedule() do { } while (0) 203 204 #define setup_timer(timer, func, data) do {} while (0) 205 #define del_timer_sync(timer) do {} while (0) 206 #define schedule_work(work) do {} while (0) 207 #define INIT_WORK(work, fun) do {} while (0) 208 209 struct work_struct {}; 210 211 unsigned long copy_from_user(void *dest, const void *src, 212 unsigned long count); 213 214 typedef unused_t spinlock_t; 215 typedef int wait_queue_head_t; 216 217 #define spin_lock_init(lock) do {} while (0) 218 #define spin_lock(lock) do {} while (0) 219 #define spin_unlock(lock) do {} while (0) 220 #define spin_lock_irqsave(lock, flags) do { debug("%lu\n", flags); } while (0) 221 #define spin_unlock_irqrestore(lock, flags) do { flags = 0; } while (0) 222 223 #define DEFINE_MUTEX(...) 224 #define mutex_init(...) 225 #define mutex_lock(...) 226 #define mutex_unlock(...) 227 228 #define init_rwsem(...) do { } while (0) 229 #define down_read(...) do { } while (0) 230 #define down_write(...) do { } while (0) 231 #define down_write_trylock(...) 1 232 #define up_read(...) do { } while (0) 233 #define up_write(...) do { } while (0) 234 235 #define cond_resched() do { } while (0) 236 #define yield() do { } while (0) 237 238 #define __init 239 #define __exit 240 #define __devinit 241 #define __devinitdata 242 #define __devinitconst 243 244 #define kthread_create(...) __builtin_return_address(0) 245 #define kthread_stop(...) do { } while (0) 246 #define wake_up_process(...) do { } while (0) 247 248 struct rw_semaphore { int i; }; 249 #define down_write(...) do { } while (0) 250 #define up_write(...) do { } while (0) 251 #define down_read(...) do { } while (0) 252 #define up_read(...) do { } while (0) 253 struct device { 254 struct device *parent; 255 struct class *class; 256 dev_t devt; /* dev_t, creates the sysfs "dev" */ 257 void (*release)(struct device *dev); 258 /* This is used from drivers/usb/musb-new subsystem only */ 259 void *driver_data; /* data private to the driver */ 260 void *device_data; /* data private to the device */ 261 }; 262 struct mutex { int i; }; 263 struct kernel_param { int i; }; 264 265 struct cdev { 266 int owner; 267 dev_t dev; 268 }; 269 #define cdev_init(...) do { } while (0) 270 #define cdev_add(...) 0 271 #define cdev_del(...) do { } while (0) 272 273 #define prandom_u32(...) 0 274 275 typedef struct { 276 uid_t val; 277 } kuid_t; 278 279 typedef struct { 280 gid_t val; 281 } kgid_t; 282 283 /* from include/linux/types.h */ 284 285 /** 286 * struct callback_head - callback structure for use with RCU and task_work 287 * @next: next update requests in a list 288 * @func: actual update function to call after the grace period. 289 */ 290 struct callback_head { 291 struct callback_head *next; 292 void (*func)(struct callback_head *head); 293 }; 294 #define rcu_head callback_head 295 enum writeback_sync_modes { 296 WB_SYNC_NONE, /* Don't wait on anything */ 297 WB_SYNC_ALL, /* Wait on every mapping */ 298 }; 299 300 /* from include/linux/writeback.h */ 301 /* 302 * A control structure which tells the writeback code what to do. These are 303 * always on the stack, and hence need no locking. They are always initialised 304 * in a manner such that unspecified fields are set to zero. 305 */ 306 struct writeback_control { 307 long nr_to_write; /* Write this many pages, and decrement 308 this for each page written */ 309 long pages_skipped; /* Pages which were not written */ 310 311 /* 312 * For a_ops->writepages(): if start or end are non-zero then this is 313 * a hint that the filesystem need only write out the pages inside that 314 * byterange. The byte at `end' is included in the writeout request. 315 */ 316 loff_t range_start; 317 loff_t range_end; 318 319 enum writeback_sync_modes sync_mode; 320 321 unsigned for_kupdate:1; /* A kupdate writeback */ 322 unsigned for_background:1; /* A background writeback */ 323 unsigned tagged_writepages:1; /* tag-and-write to avoid livelock */ 324 unsigned for_reclaim:1; /* Invoked from the page allocator */ 325 unsigned range_cyclic:1; /* range_start is cyclic */ 326 unsigned for_sync:1; /* sync(2) WB_SYNC_ALL writeback */ 327 }; 328 329 void *kmemdup(const void *src, size_t len, gfp_t gfp); 330 331 typedef int irqreturn_t; 332 333 struct timer_list {}; 334 struct notifier_block {}; 335 336 typedef unsigned long dmaaddr_t; 337 338 #define pm_runtime_get_sync(dev) do {} while (0) 339 #define pm_runtime_put(dev) do {} while (0) 340 #define pm_runtime_put_sync(dev) do {} while (0) 341 #define pm_runtime_use_autosuspend(dev) do {} while (0) 342 #define pm_runtime_set_autosuspend_delay(dev, delay) do {} while (0) 343 #define pm_runtime_enable(dev) do {} while (0) 344 345 #define IRQ_NONE 0 346 #define IRQ_HANDLED 1 347 #define IRQ_WAKE_THREAD 2 348 349 #define dev_set_drvdata(dev, data) do {} while (0) 350 351 #define enable_irq(...) 352 #define disable_irq(...) 353 #define disable_irq_wake(irq) do {} while (0) 354 #define enable_irq_wake(irq) -EINVAL 355 #define free_irq(irq, data) do {} while (0) 356 #define request_irq(nr, f, flags, nm, data) 0 357 358 #endif 359