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 #define GFP_ATOMIC ((gfp_t) 0) 40 #define GFP_KERNEL ((gfp_t) 0) 41 #define GFP_NOFS ((gfp_t) 0) 42 #define GFP_USER ((gfp_t) 0) 43 #define __GFP_NOWARN ((gfp_t) 0) 44 #define __GFP_ZERO ((__force gfp_t)0x8000u) /* Return zeroed page on success */ 45 46 void *kmalloc(size_t size, int flags); 47 48 static inline void *kzalloc(size_t size, gfp_t flags) 49 { 50 return kmalloc(size, flags | __GFP_ZERO); 51 } 52 #define vmalloc(size) kmalloc(size, 0) 53 #define __vmalloc(size, flags, pgsz) kmalloc(size, flags) 54 static inline void *vzalloc(unsigned long size) 55 { 56 return kzalloc(size, 0); 57 } 58 #define kfree(ptr) free(ptr) 59 #define vfree(ptr) free(ptr) 60 61 struct kmem_cache { int sz; }; 62 63 struct kmem_cache *get_mem(int element_sz); 64 #define kmem_cache_create(a, sz, c, d, e) get_mem(sz) 65 void *kmem_cache_alloc(struct kmem_cache *obj, int flag); 66 #define kmem_cache_free(obj, size) free(size) 67 #define kmem_cache_destroy(obj) free(obj) 68 69 #define DECLARE_WAITQUEUE(...) do { } while (0) 70 #define add_wait_queue(...) do { } while (0) 71 #define remove_wait_queue(...) do { } while (0) 72 73 #define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c)) 74 75 #ifndef BUG 76 #define BUG() do { \ 77 printf("U-Boot BUG at %s:%d!\n", __FILE__, __LINE__); \ 78 } while (0) 79 80 #define BUG_ON(condition) do { if (condition) BUG(); } while(0) 81 #endif /* BUG */ 82 83 #define WARN_ON(x) if (x) {printf("WARNING in %s line %d\n" \ 84 , __FILE__, __LINE__); } 85 86 #define PAGE_SIZE 4096 87 88 /* drivers/char/random.c */ 89 #define get_random_bytes(...) 90 91 /* include/linux/leds.h */ 92 struct led_trigger {}; 93 94 #define DEFINE_LED_TRIGGER(x) static struct led_trigger *x; 95 enum led_brightness { 96 LED_OFF = 0, 97 LED_HALF = 127, 98 LED_FULL = 255, 99 }; 100 101 static inline void led_trigger_register_simple(const char *name, 102 struct led_trigger **trigger) {} 103 static inline void led_trigger_unregister_simple(struct led_trigger *trigger) {} 104 static inline void led_trigger_event(struct led_trigger *trigger, 105 enum led_brightness event) {} 106 107 /* include/linux/log2.h */ 108 static inline int is_power_of_2(unsigned long n) 109 { 110 return (n != 0 && ((n & (n - 1)) == 0)); 111 } 112 113 /* uapi/linux/limits.h */ 114 #define XATTR_LIST_MAX 65536 /* size of extended attribute namelist (64k) */ 115 116 /** 117 * The type used for indexing onto a disc or disc partition. 118 * 119 * Linux always considers sectors to be 512 bytes long independently 120 * of the devices real block size. 121 * 122 * blkcnt_t is the type of the inode's block count. 123 */ 124 #ifdef CONFIG_LBDAF 125 typedef u64 sector_t; 126 typedef u64 blkcnt_t; 127 #else 128 typedef unsigned long sector_t; 129 typedef unsigned long blkcnt_t; 130 #endif 131 132 #define ENOTSUPP 524 /* Operation is not supported */ 133 134 /* module */ 135 #define THIS_MODULE 0 136 #define try_module_get(...) 1 137 #define module_put(...) do { } while (0) 138 #define module_init(...) 139 #define module_exit(...) 140 #define EXPORT_SYMBOL(...) 141 #define EXPORT_SYMBOL_GPL(...) 142 #define module_param(...) 143 #define module_param_call(...) 144 #define MODULE_PARM_DESC(...) 145 #define MODULE_VERSION(...) 146 #define MODULE_DESCRIPTION(...) 147 #define MODULE_AUTHOR(...) 148 #define MODULE_LICENSE(...) 149 #define MODULE_ALIAS(...) 150 #define __module_get(...) 151 152 /* character device */ 153 #define MKDEV(...) 0 154 #define MAJOR(dev) 0 155 #define MINOR(dev) 0 156 157 #define alloc_chrdev_region(...) 0 158 #define unregister_chrdev_region(...) 159 160 #define class_create(...) __builtin_return_address(0) 161 #define class_create_file(...) 0 162 #define class_remove_file(...) 163 #define class_destroy(...) 164 #define misc_register(...) 0 165 #define misc_deregister(...) 166 167 #define blocking_notifier_call_chain(...) 0 168 169 #define __initdata 170 #define late_initcall(...) 171 172 #define dev_set_name(...) do { } while (0) 173 #define device_register(...) 0 174 #define volume_sysfs_init(...) 0 175 #define volume_sysfs_close(...) do { } while (0) 176 177 #define init_waitqueue_head(...) do { } while (0) 178 #define wait_event_interruptible(...) 0 179 #define wake_up_interruptible(...) do { } while (0) 180 #define print_hex_dump(...) do { } while (0) 181 #define dump_stack(...) do { } while (0) 182 183 #define task_pid_nr(x) 0 184 #define set_freezable(...) do { } while (0) 185 #define try_to_freeze(...) 0 186 #define set_current_state(...) do { } while (0) 187 #define kthread_should_stop(...) 0 188 #define schedule() do { } while (0) 189 190 #define setup_timer(timer, func, data) do {} while (0) 191 #define del_timer_sync(timer) do {} while (0) 192 #define schedule_work(work) do {} while (0) 193 #define INIT_WORK(work, fun) do {} while (0) 194 195 struct work_struct {}; 196 197 unsigned long copy_from_user(void *dest, const void *src, 198 unsigned long count); 199 200 typedef unused_t spinlock_t; 201 typedef int wait_queue_head_t; 202 203 #define spin_lock_init(lock) do {} while (0) 204 #define spin_lock(lock) do {} while (0) 205 #define spin_unlock(lock) do {} while (0) 206 #define spin_lock_irqsave(lock, flags) do { debug("%lu\n", flags); } while (0) 207 #define spin_unlock_irqrestore(lock, flags) do { flags = 0; } while (0) 208 209 #define DEFINE_MUTEX(...) 210 #define mutex_init(...) 211 #define mutex_lock(...) 212 #define mutex_unlock(...) 213 214 #define init_rwsem(...) do { } while (0) 215 #define down_read(...) do { } while (0) 216 #define down_write(...) do { } while (0) 217 #define down_write_trylock(...) 1 218 #define up_read(...) do { } while (0) 219 #define up_write(...) do { } while (0) 220 221 #define cond_resched() do { } while (0) 222 #define yield() do { } while (0) 223 224 #define __init 225 #define __exit 226 #define __devinit 227 #define __devinitdata 228 #define __devinitconst 229 230 #define kthread_create(...) __builtin_return_address(0) 231 #define kthread_stop(...) do { } while (0) 232 #define wake_up_process(...) do { } while (0) 233 234 struct rw_semaphore { int i; }; 235 #define down_write(...) do { } while (0) 236 #define up_write(...) do { } while (0) 237 #define down_read(...) do { } while (0) 238 #define up_read(...) do { } while (0) 239 struct device { 240 struct device *parent; 241 struct class *class; 242 dev_t devt; /* dev_t, creates the sysfs "dev" */ 243 void (*release)(struct device *dev); 244 /* This is used from drivers/usb/musb-new subsystem only */ 245 void *driver_data; /* data private to the driver */ 246 void *device_data; /* data private to the device */ 247 }; 248 struct mutex { int i; }; 249 struct kernel_param { int i; }; 250 251 struct cdev { 252 int owner; 253 dev_t dev; 254 }; 255 #define cdev_init(...) do { } while (0) 256 #define cdev_add(...) 0 257 #define cdev_del(...) do { } while (0) 258 259 #define prandom_u32(...) 0 260 261 typedef struct { 262 uid_t val; 263 } kuid_t; 264 265 typedef struct { 266 gid_t val; 267 } kgid_t; 268 269 /* from include/linux/types.h */ 270 271 /** 272 * struct callback_head - callback structure for use with RCU and task_work 273 * @next: next update requests in a list 274 * @func: actual update function to call after the grace period. 275 */ 276 struct callback_head { 277 struct callback_head *next; 278 void (*func)(struct callback_head *head); 279 }; 280 #define rcu_head callback_head 281 enum writeback_sync_modes { 282 WB_SYNC_NONE, /* Don't wait on anything */ 283 WB_SYNC_ALL, /* Wait on every mapping */ 284 }; 285 286 /* from include/linux/writeback.h */ 287 /* 288 * A control structure which tells the writeback code what to do. These are 289 * always on the stack, and hence need no locking. They are always initialised 290 * in a manner such that unspecified fields are set to zero. 291 */ 292 struct writeback_control { 293 long nr_to_write; /* Write this many pages, and decrement 294 this for each page written */ 295 long pages_skipped; /* Pages which were not written */ 296 297 /* 298 * For a_ops->writepages(): if start or end are non-zero then this is 299 * a hint that the filesystem need only write out the pages inside that 300 * byterange. The byte at `end' is included in the writeout request. 301 */ 302 loff_t range_start; 303 loff_t range_end; 304 305 enum writeback_sync_modes sync_mode; 306 307 unsigned for_kupdate:1; /* A kupdate writeback */ 308 unsigned for_background:1; /* A background writeback */ 309 unsigned tagged_writepages:1; /* tag-and-write to avoid livelock */ 310 unsigned for_reclaim:1; /* Invoked from the page allocator */ 311 unsigned range_cyclic:1; /* range_start is cyclic */ 312 unsigned for_sync:1; /* sync(2) WB_SYNC_ALL writeback */ 313 }; 314 315 void *kmemdup(const void *src, size_t len, gfp_t gfp); 316 317 typedef int irqreturn_t; 318 319 struct timer_list {}; 320 struct notifier_block {}; 321 322 typedef unsigned long dmaaddr_t; 323 324 #define pm_runtime_get_sync(dev) do {} while (0) 325 #define pm_runtime_put(dev) do {} while (0) 326 #define pm_runtime_put_sync(dev) do {} while (0) 327 #define pm_runtime_use_autosuspend(dev) do {} while (0) 328 #define pm_runtime_set_autosuspend_delay(dev, delay) do {} while (0) 329 #define pm_runtime_enable(dev) do {} while (0) 330 331 #define IRQ_NONE 0 332 #define IRQ_HANDLED 1 333 #define IRQ_WAKE_THREAD 2 334 335 #define dev_set_drvdata(dev, data) do {} while (0) 336 337 #define enable_irq(...) 338 #define disable_irq(...) 339 #define disable_irq_wake(irq) do {} while (0) 340 #define enable_irq_wake(irq) -EINVAL 341 #define free_irq(irq, data) do {} while (0) 342 #define request_irq(nr, f, flags, nm, data) 0 343 344 #endif 345