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Patch by Dustin Howett which 'modularizes' timers. The best timer is

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automatically selected at boot time. Pit and Apic timers are implemented
for now. Thanks Dustin!



git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@26265 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Stefano Ceccherini
2008-07-05 20:40:06 +00:00
parent 34ff70da4f
commit 6e29a04d36
12 changed files with 509 additions and 146 deletions
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headers/private/kernel/timer.h
+12
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@@ -18,6 +18,18 @@ struct kernel_args;
#define B_TIMER_ACQUIRE_THREAD_LOCK 0x8000
#define B_TIMER_FLAGS B_TIMER_ACQUIRE_THREAD_LOCK
/* Timer info structure */
struct timer_info {
char *name;
int (*get_priority)(void);
status_t (*set_hardware_timer)(bigtime_t timeout);
status_t (*clear_hardware_timer)(void);
status_t (*init)(struct kernel_args *args);
};
typedef struct timer_info timer_info;
/* kernel functions */
status_t timer_init(struct kernel_args *);
int32 timer_interrupt(void);