40f5623akIoBsQ3KxSB2kufkbgONXQ linux-2.6.9-xen-sparse/include/asm-xen/asm-i386/fixmap.h
4118b6a418gnL6AZsTdglC92YGqYTg linux-2.6.9-xen-sparse/include/asm-xen/asm-i386/highmem.h
40f5623aJVXQwpJMOLE99XgvGsfQ8Q linux-2.6.9-xen-sparse/include/asm-xen/asm-i386/io.h
-40f5623am9BzluYFuV6EQfTd-so3dA linux-2.6.9-xen-sparse/include/asm-xen/asm-i386/mach-xen/do_timer.h
40f5623aKXkBBxgpLx2NcvkncQ1Yyw linux-2.6.9-xen-sparse/include/asm-xen/asm-i386/mach-xen/irq_vectors.h
40f5623aDMCsWOFO0jktZ4e8sjwvEg linux-2.6.9-xen-sparse/include/asm-xen/asm-i386/mach-xen/setup_arch_post.h
40f5623arsFXkGdPvIqvFi3yFXGR0Q linux-2.6.9-xen-sparse/include/asm-xen/asm-i386/mach-xen/setup_arch_pre.h
40f5623bG_LzgG6-qwk292nTc5Wabw linux-2.6.9-xen-sparse/include/asm-xen/asm-i386/setup.h
40f5623bgzm_9vwxpzJswlAxg298Gg linux-2.6.9-xen-sparse/include/asm-xen/asm-i386/synch_bitops.h
40f5623bVdKP7Dt7qm8twu3NcnGNbA linux-2.6.9-xen-sparse/include/asm-xen/asm-i386/system.h
-40f5623bSgGrvrGRpD71K-lIYqaGgg linux-2.6.9-xen-sparse/include/asm-xen/asm-i386/timer.h
40f5623bc8LKPRO09wY5dGDnY_YCpw linux-2.6.9-xen-sparse/include/asm-xen/asm-i386/tlbflush.h
41062ab7uFxnCq-KtPeAm-aV8CicgA linux-2.6.9-xen-sparse/include/asm-xen/asm-i386/vga.h
40f5623bxUbeGjkRrjDguCy_Gm8RLw linux-2.6.9-xen-sparse/include/asm-xen/asm-i386/xor.h
extern spinlock_t i8259A_lock;
int pit_latch_buggy; /* extern */
-#include "do_timer.h"
-
u64 jiffies_64 = INITIAL_JIFFIES;
EXPORT_SYMBOL(jiffies_64);
spinlock_t i8253_lock = SPIN_LOCK_UNLOCKED;
EXPORT_SYMBOL(i8253_lock);
-struct timer_opts *cur_timer = &timer_none;
+struct timer_opts *cur_timer = &timer_tsc;
/* These are peridically updated in shared_info, and then copied here. */
u32 shadow_tsc_stamp;
while (delta >= NS_PER_TICK) {
delta -= NS_PER_TICK;
processed_system_time += NS_PER_TICK;
- do_timer_interrupt_hook(regs);
+ do_timer(regs);
+ if (regs)
+ profile_tick(CPU_PROFILING, regs);
}
/*
wall_to_monotonic.tv_nsec = -xtime.tv_nsec;
processed_system_time = shadow_system_time;
- cur_timer = select_timer();
printk(KERN_INFO "Using %s for high-res timesource\n",cur_timer->name);
time_irq = bind_virq_to_irq(VIRQ_TIMER);
void time_resume(void)
{
unsigned long flags;
- write_lock_irqsave(&xtime_lock, flags);
+ write_seqlock_irqsave(&xtime_lock, flags);
/* Get timebases for new environment. */
__get_time_values_from_xen();
/* Reset our own concept of passage of system time. */
last_seen_tv.tv_sec = 0;
/* Make sure we resync UTC time with Xen on next timer interrupt. */
last_update_from_xen = 0;
- write_unlock_irqrestore(&xtime_lock, flags);
+ write_sequnlock_irqrestore(&xtime_lock, flags);
}
/*
XENARCH := $(subst ",,$(CONFIG_XENARCH))
obj-y := timer_tsc.o
-c-obj-y := timer.o timer_none.o timer_pit.o
+c-obj-y :=
c-link :=
+++ /dev/null
-/* defines for inline arch setup functions */
-
-#include <asm/apic.h>
-
-/**
- * do_timer_interrupt_hook - hook into timer tick
- * @regs: standard registers from interrupt
- *
- * Description:
- * This hook is called immediately after the timer interrupt is ack'd.
- * It's primary purpose is to allow architectures that don't possess
- * individual per CPU clocks (like the CPU APICs supply) to broadcast the
- * timer interrupt as a means of triggering reschedules etc.
- **/
-
-static inline void do_timer_interrupt_hook(struct pt_regs *regs)
-{
- do_timer(regs);
-/*
- * In the SMP case we use the local APIC timer interrupt to do the
- * profiling, except when we simulate SMP mode on a uniprocessor
- * system, in that case we have to call the local interrupt handler.
- */
-#ifndef CONFIG_X86_LOCAL_APIC
- if (regs)
- profile_tick(CPU_PROFILING, regs);
-#else
- if (regs && !using_apic_timer)
- smp_local_timer_interrupt(regs);
-#endif
-}
-
-
-/* you can safely undefine this if you don't have the Neptune chipset */
-
-#define BUGGY_NEPTUN_TIMER
-
-/**
- * do_timer_overflow - process a detected timer overflow condition
- * @count: hardware timer interrupt count on overflow
- *
- * Description:
- * This call is invoked when the jiffies count has not incremented but
- * the hardware timer interrupt has. It means that a timer tick interrupt
- * came along while the previous one was pending, thus a tick was missed
- **/
-static inline int do_timer_overflow(int count)
-{
- int i;
-
- spin_lock(&i8259A_lock);
- /*
- * This is tricky when I/O APICs are used;
- * see do_timer_interrupt().
- */
- i = inb(0x20);
- spin_unlock(&i8259A_lock);
-
- /* assumption about timer being IRQ0 */
- if (i & 0x01) {
- /*
- * We cannot detect lost timer interrupts ...
- * well, that's why we call them lost, don't we? :)
- * [hmm, on the Pentium and Alpha we can ... sort of]
- */
- count -= LATCH;
- } else {
-#ifdef BUGGY_NEPTUN_TIMER
- /*
- * for the Neptun bug we know that the 'latch'
- * command doesn't latch the high and low value
- * of the counter atomically. Thus we have to
- * substract 256 from the counter
- * ... funny, isnt it? :)
- */
-
- count -= 256;
-#else
- printk("do_slow_gettimeoffset(): hardware timer problem?\n");
-#endif
- }
- return count;
-}
+++ /dev/null
-#ifndef _ASMi386_TIMER_H
-#define _ASMi386_TIMER_H
-
-/**
- * struct timer_ops - used to define a timer source
- *
- * @name: name of the timer.
- * @init: Probes and initializes the timer. Takes clock= override
- * string as an argument. Returns 0 on success, anything else
- * on failure.
- * @mark_offset: called by the timer interrupt.
- * @get_offset: called by gettimeofday(). Returns the number of microseconds
- * since the last timer interupt.
- * @monotonic_clock: returns the number of nanoseconds since the init of the
- * timer.
- * @delay: delays this many clock cycles.
- */
-struct timer_opts{
- char* name;
- int (*init)(char *override);
- void (*mark_offset)(void);
- unsigned long (*get_offset)(void);
- unsigned long long (*monotonic_clock)(void);
- void (*delay)(unsigned long);
-};
-
-#define TICK_SIZE (tick_nsec / 1000)
-
-extern struct timer_opts* select_timer(void);
-extern void clock_fallback(void);
-void setup_pit_timer(void);
-
-/* Modifiers for buggy PIT handling */
-
-extern int pit_latch_buggy;
-
-extern struct timer_opts *cur_timer;
-extern int timer_ack;
-
-/* list of externed timers */
-extern struct timer_opts timer_none;
-extern struct timer_opts timer_pit;
-extern struct timer_opts timer_tsc;
-#ifdef CONFIG_X86_CYCLONE_TIMER
-extern struct timer_opts timer_cyclone;
-#endif
-extern struct timer_opts timer_xen;
-
-extern unsigned long calibrate_tsc(void);
-extern void init_cpu_khz(void);
-#ifdef CONFIG_HPET_TIMER
-extern struct timer_opts timer_hpet;
-extern unsigned long calibrate_tsc_hpet(unsigned long *tsc_hpet_quotient_ptr);
-#endif
-
-#ifdef CONFIG_X86_PM_TIMER
-extern struct timer_opts timer_pmtmr;
-#endif
-#endif
projects / xen.git / commitdiff