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#ifndef GPXE_TIMER_H
#define GPXE_TIMER_H
#include <stddef.h>
#include <gpxe/tables.h>
typedef unsigned long tick_t;
#define MSECS_IN_SEC (1000)
#define USECS_IN_SEC (1000*1000)
#define USECS_IN_MSEC (1000)
#define TICKS_PER_SEC USECS_IN_SEC
extern tick_t currticks ( void );
extern void generic_currticks_udelay ( unsigned int usecs );
/** A timer */
struct timer {
/** Initialise timer
*
* @ret rc Return status code
*/
int ( * init ) ( void );
/** Read current time
*
* @ret ticks Current time, in ticks
*/
tick_t ( * currticks ) ( void );
/** Delay
*
* @v usecs Time to delay, in microseconds
*/
void ( * udelay ) ( unsigned int usecs );
};
#define __timer( order ) __table ( struct timer, timers, order )
#endif /* GPXE_TIMER_H */
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