#ifndef _LINUX_COMPAT_H_
#define _LINUX_COMPAT_H_
+#include <console.h>
+#include <log.h>
#include <malloc.h>
+
+#include <asm/processor.h>
+
#include <linux/types.h>
#include <linux/err.h>
#include <linux/kernel.h>
+#ifdef CONFIG_XEN
+#include <xen/events.h>
+#endif
+
struct unused {};
typedef struct unused unused_t;
extern struct p_current *current;
-#define ndelay(x) udelay(1)
-
-#define dev_dbg(dev, fmt, args...) \
- debug(fmt, ##args)
-#define dev_vdbg(dev, fmt, args...) \
- debug(fmt, ##args)
-#define dev_info(dev, fmt, args...) \
- printf(fmt, ##args)
-#define dev_err(dev, fmt, args...) \
- printf(fmt, ##args)
-#define printk printf
-#define printk_once printf
-
-#define KERN_EMERG
-#define KERN_ALERT
-#define KERN_CRIT
-#define KERN_ERR
-#define KERN_WARNING
-#define KERN_NOTICE
-#define KERN_INFO
-#define KERN_DEBUG
-
#define GFP_ATOMIC ((gfp_t) 0)
#define GFP_KERNEL ((gfp_t) 0)
#define GFP_NOFS ((gfp_t) 0)
#define add_wait_queue(...) do { } while (0)
#define remove_wait_queue(...) do { } while (0)
-#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
+#ifndef CONFIG_XEN
+#define eventchn_poll()
+#endif
-#ifndef BUG
-#define BUG() do { \
- printf("U-Boot BUG at %s:%d!\n", __FILE__, __LINE__); \
-} while (0)
+#define __wait_event_timeout(condition, timeout, ret) \
+({ \
+ ulong __ret = ret; /* explicit shadow */ \
+ ulong start = get_timer(0); \
+ for (;;) { \
+ eventchn_poll(); \
+ if (condition) { \
+ __ret = 1; \
+ break; \
+ } \
+ if ((get_timer(start) > timeout) || ctrlc()) { \
+ __ret = 0; \
+ break; \
+ } \
+ cpu_relax(); \
+ } \
+ __ret; \
+})
-#define BUG_ON(condition) do { if (condition) BUG(); } while(0)
-#endif /* BUG */
+/**
+ * wait_event_timeout() - Wait until the event occurs before the timeout.
+ * @wr_head: The wait queue to wait on.
+ * @condition: Expression for the event to wait for.
+ * @timeout: Maximum waiting time.
+ *
+ * We wait until the @condition evaluates to %true (succeed) or
+ * %false (@timeout elapsed).
+ *
+ * Return:
+ * 0 - if the @condition evaluated to %false after the @timeout elapsed
+ * 1 - if the @condition evaluated to %true
+ */
+#define wait_event_timeout(wq_head, condition, timeout) \
+({ \
+ ulong __ret; \
+ if (condition) \
+ __ret = 1; \
+ else \
+ __ret = __wait_event_timeout(condition, timeout, __ret);\
+ __ret; \
+})
-#define WARN_ON(x) if (x) {printf("WARNING in %s line %d\n" \
- , __FILE__, __LINE__); }
+#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
+/* This is also defined in ARMv8's mmu.h */
+#ifndef PAGE_SIZE
#define PAGE_SIZE 4096
+#endif
/* drivers/char/random.c */
#define get_random_bytes(...)
static inline void led_trigger_event(struct led_trigger *trigger,
enum led_brightness event) {}
-/* include/linux/log2.h */
-static inline int is_power_of_2(unsigned long n)
-{
- return (n != 0 && ((n & (n - 1)) == 0));
-}
-
/* uapi/linux/limits.h */
#define XATTR_LIST_MAX 65536 /* size of extended attribute namelist (64k) */
typedef unsigned long blkcnt_t;
#endif
-#define ENOTSUPP 524 /* Operation is not supported */
-
/* module */
#define THIS_MODULE 0
#define try_module_get(...) 1
#define init_waitqueue_head(...) do { } while (0)
#define wait_event_interruptible(...) 0
#define wake_up_interruptible(...) do { } while (0)
-#define print_hex_dump(...) do { } while (0)
#define dump_stack(...) do { } while (0)
#define task_pid_nr(x) 0
#define spin_lock_init(lock) do {} while (0)
#define spin_lock(lock) do {} while (0)
#define spin_unlock(lock) do {} while (0)
-#define spin_lock_irqsave(lock, flags) do { debug("%lu\n", flags); } while (0)
+#define spin_lock_irqsave(lock, flags) do {} while (0)
#define spin_unlock_irqrestore(lock, flags) do { flags = 0; } while (0)
#define DEFINE_MUTEX(...)