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