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 #define PAGE_SIZE 4096 91 92 /* drivers/char/random.c */ 93 #define get_random_bytes(...) 94 95 /* include/linux/leds.h */ 96 struct led_trigger {}; 97 98 #define DEFINE_LED_TRIGGER(x) static struct led_trigger *x; 99 enum led_brightness { 100 LED_OFF = 0, 101 LED_HALF = 127, 102 LED_FULL = 255, 103 }; 104 105 static inline void led_trigger_register_simple(const char *name, 106 struct led_trigger **trigger) {} 107 static inline void led_trigger_unregister_simple(struct led_trigger *trigger) {} 108 static inline void led_trigger_event(struct led_trigger *trigger, 109 enum led_brightness event) {} 110 111 /* uapi/linux/limits.h */ 112 #define XATTR_LIST_MAX 65536 /* size of extended attribute namelist (64k) */ 113 114 /** 115 * The type used for indexing onto a disc or disc partition. 116 * 117 * Linux always considers sectors to be 512 bytes long independently 118 * of the devices real block size. 119 * 120 * blkcnt_t is the type of the inode's block count. 121 */ 122 #ifdef CONFIG_LBDAF 123 typedef u64 sector_t; 124 typedef u64 blkcnt_t; 125 #else 126 typedef unsigned long sector_t; 127 typedef unsigned long blkcnt_t; 128 #endif 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_register(...) 0 159 #define class_unregister(...) 160 #define class_remove_file(...) 161 #define class_destroy(...) 162 #define misc_register(...) 0 163 #define misc_deregister(...) 164 165 #define blocking_notifier_call_chain(...) 0 166 167 #define __initdata 168 #define late_initcall(...) 169 170 #define dev_set_name(...) do { } while (0) 171 #define device_register(...) 0 172 #define device_unregister(...) 173 #define volume_sysfs_init(...) 0 174 #define volume_sysfs_close(...) do { } while (0) 175 176 #define init_waitqueue_head(...) do { } while (0) 177 #define wait_event_interruptible(...) 0 178 #define wake_up_interruptible(...) do { } while (0) 179 #define print_hex_dump(...) do { } while (0) 180 #define dump_stack(...) do { } while (0) 181 182 #define task_pid_nr(x) 0 183 #define set_freezable(...) do { } while (0) 184 #define try_to_freeze(...) 0 185 #define set_current_state(...) do { } while (0) 186 #define kthread_should_stop(...) 0 187 #define schedule() do { } while (0) 188 189 #define setup_timer(timer, func, data) do {} while (0) 190 #define del_timer_sync(timer) do {} while (0) 191 #define schedule_work(work) do {} while (0) 192 #define INIT_WORK(work, fun) do {} while (0) 193 194 struct work_struct {}; 195 196 unsigned long copy_from_user(void *dest, const void *src, 197 unsigned long count); 198 199 typedef unused_t spinlock_t; 200 typedef int wait_queue_head_t; 201 202 #define spin_lock_init(lock) do {} while (0) 203 #define spin_lock(lock) do {} while (0) 204 #define spin_unlock(lock) do {} while (0) 205 #define spin_lock_irqsave(lock, flags) do { debug("%lu\n", flags); } while (0) 206 #define spin_unlock_irqrestore(lock, flags) do { flags = 0; } while (0) 207 208 #define DEFINE_MUTEX(...) 209 #define mutex_init(...) 210 #define mutex_lock(...) 211 #define mutex_unlock(...) 212 213 #define init_rwsem(...) do { } while (0) 214 #define down_read(...) do { } while (0) 215 #define down_write(...) do { } while (0) 216 #define down_write_trylock(...) 1 217 #define up_read(...) do { } while (0) 218 #define up_write(...) do { } while (0) 219 220 #define cond_resched() do { } while (0) 221 #define yield() do { } while (0) 222 223 #define __init 224 #define __exit 225 #define __devinit 226 #define __devinitdata 227 #define __devinitconst 228 229 #define kthread_create(...) __builtin_return_address(0) 230 #define kthread_stop(...) do { } while (0) 231 #define wake_up_process(...) do { } while (0) 232 233 struct rw_semaphore { int i; }; 234 #define down_write(...) do { } while (0) 235 #define up_write(...) do { } while (0) 236 #define down_read(...) do { } while (0) 237 #define up_read(...) do { } while (0) 238 struct device { 239 struct device *parent; 240 struct class *class; 241 dev_t devt; /* dev_t, creates the sysfs "dev" */ 242 void (*release)(struct device *dev); 243 /* This is used from drivers/usb/musb-new subsystem only */ 244 void *driver_data; /* data private to the driver */ 245 void *device_data; /* data private to the device */ 246 }; 247 struct mutex { int i; }; 248 struct kernel_param { int i; }; 249 250 struct cdev { 251 int owner; 252 dev_t dev; 253 }; 254 #define cdev_init(...) do { } while (0) 255 #define cdev_add(...) 0 256 #define cdev_del(...) do { } while (0) 257 258 #define prandom_u32(...) 0 259 260 typedef struct { 261 uid_t val; 262 } kuid_t; 263 264 typedef struct { 265 gid_t val; 266 } kgid_t; 267 268 /* from include/linux/types.h */ 269 270 /** 271 * struct callback_head - callback structure for use with RCU and task_work 272 * @next: next update requests in a list 273 * @func: actual update function to call after the grace period. 274 */ 275 struct callback_head { 276 struct callback_head *next; 277 void (*func)(struct callback_head *head); 278 }; 279 #define rcu_head callback_head 280 enum writeback_sync_modes { 281 WB_SYNC_NONE, /* Don't wait on anything */ 282 WB_SYNC_ALL, /* Wait on every mapping */ 283 }; 284 285 /* from include/linux/writeback.h */ 286 /* 287 * A control structure which tells the writeback code what to do. These are 288 * always on the stack, and hence need no locking. They are always initialised 289 * in a manner such that unspecified fields are set to zero. 290 */ 291 struct writeback_control { 292 long nr_to_write; /* Write this many pages, and decrement 293 this for each page written */ 294 long pages_skipped; /* Pages which were not written */ 295 296 /* 297 * For a_ops->writepages(): if start or end are non-zero then this is 298 * a hint that the filesystem need only write out the pages inside that 299 * byterange. The byte at `end' is included in the writeout request. 300 */ 301 loff_t range_start; 302 loff_t range_end; 303 304 enum writeback_sync_modes sync_mode; 305 306 unsigned for_kupdate:1; /* A kupdate writeback */ 307 unsigned for_background:1; /* A background writeback */ 308 unsigned tagged_writepages:1; /* tag-and-write to avoid livelock */ 309 unsigned for_reclaim:1; /* Invoked from the page allocator */ 310 unsigned range_cyclic:1; /* range_start is cyclic */ 311 unsigned for_sync:1; /* sync(2) WB_SYNC_ALL writeback */ 312 }; 313 314 void *kmemdup(const void *src, size_t len, gfp_t gfp); 315 316 typedef int irqreturn_t; 317 318 struct timer_list {}; 319 struct notifier_block {}; 320 321 typedef unsigned long dmaaddr_t; 322 323 #define pm_runtime_get_sync(dev) do {} while (0) 324 #define pm_runtime_put(dev) do {} while (0) 325 #define pm_runtime_put_sync(dev) do {} while (0) 326 #define pm_runtime_use_autosuspend(dev) do {} while (0) 327 #define pm_runtime_set_autosuspend_delay(dev, delay) do {} while (0) 328 #define pm_runtime_enable(dev) do {} while (0) 329 330 #define IRQ_NONE 0 331 #define IRQ_HANDLED 1 332 #define IRQ_WAKE_THREAD 2 333 334 #define dev_set_drvdata(dev, data) do {} while (0) 335 336 #define enable_irq(...) 337 #define disable_irq(...) 338 #define disable_irq_wake(irq) do {} while (0) 339 #define enable_irq_wake(irq) -EINVAL 340 #define free_irq(irq, data) do {} while (0) 341 #define request_irq(nr, f, flags, nm, data) 0 342 343 #endif 344