diff options
Diffstat (limited to 'qemu/include/qemu/timer.h')
-rw-r--r-- | qemu/include/qemu/timer.h | 38 |
1 files changed, 16 insertions, 22 deletions
diff --git a/qemu/include/qemu/timer.h b/qemu/include/qemu/timer.h index 5923d600f..471969a24 100644 --- a/qemu/include/qemu/timer.h +++ b/qemu/include/qemu/timer.h @@ -1,9 +1,9 @@ #ifndef QEMU_TIMER_H #define QEMU_TIMER_H -#include "qemu/typedefs.h" #include "qemu-common.h" #include "qemu/notify.h" +#include "qemu/host-utils.h" #define NANOSECONDS_PER_SECOND 1000000000LL @@ -209,12 +209,11 @@ void qemu_clock_notify(QEMUClockType type); void qemu_clock_enable(QEMUClockType type, bool enabled); /** - * qemu_clock_warp: - * @type: the clock type + * qemu_start_warp_timer: * - * Warp a clock to a new value + * Starts a timer for virtual clock update */ -void qemu_clock_warp(QEMUClockType type); +void qemu_start_warp_timer(void); /** * qemu_clock_register_reset_notifier: @@ -784,18 +783,13 @@ void cpu_enable_ticks(void); /* Caller must hold BQL */ void cpu_disable_ticks(void); -static inline int64_t get_ticks_per_sec(void) -{ - return 1000000000LL; -} - static inline int64_t get_max_clock_jump(void) { /* This should be small enough to prevent excessive interrupts from being * generated by the RTC on clock jumps, but large enough to avoid frequent * unnecessary resets in idle VMs. */ - return 60 * get_ticks_per_sec(); + return 60 * NANOSECONDS_PER_SECOND; } /* @@ -821,7 +815,7 @@ static inline int64_t get_clock(void) { LARGE_INTEGER ti; QueryPerformanceCounter(&ti); - return muldiv64(ti.QuadPart, get_ticks_per_sec(), clock_freq); + return muldiv64(ti.QuadPart, NANOSECONDS_PER_SECOND, clock_freq); } #else @@ -856,7 +850,7 @@ int64_t cpu_icount_to_ns(int64_t icount); #if defined(_ARCH_PPC) -static inline int64_t cpu_get_real_ticks(void) +static inline int64_t cpu_get_host_ticks(void) { int64_t retval; #ifdef _ARCH_PPC64 @@ -882,7 +876,7 @@ static inline int64_t cpu_get_real_ticks(void) #elif defined(__i386__) -static inline int64_t cpu_get_real_ticks(void) +static inline int64_t cpu_get_host_ticks(void) { int64_t val; asm volatile ("rdtsc" : "=A" (val)); @@ -891,7 +885,7 @@ static inline int64_t cpu_get_real_ticks(void) #elif defined(__x86_64__) -static inline int64_t cpu_get_real_ticks(void) +static inline int64_t cpu_get_host_ticks(void) { uint32_t low,high; int64_t val; @@ -904,7 +898,7 @@ static inline int64_t cpu_get_real_ticks(void) #elif defined(__hppa__) -static inline int64_t cpu_get_real_ticks(void) +static inline int64_t cpu_get_host_ticks(void) { int val; asm volatile ("mfctl %%cr16, %0" : "=r"(val)); @@ -913,7 +907,7 @@ static inline int64_t cpu_get_real_ticks(void) #elif defined(__ia64) -static inline int64_t cpu_get_real_ticks(void) +static inline int64_t cpu_get_host_ticks(void) { int64_t val; asm volatile ("mov %0 = ar.itc" : "=r"(val) :: "memory"); @@ -922,7 +916,7 @@ static inline int64_t cpu_get_real_ticks(void) #elif defined(__s390__) -static inline int64_t cpu_get_real_ticks(void) +static inline int64_t cpu_get_host_ticks(void) { int64_t val; asm volatile("stck 0(%1)" : "=m" (val) : "a" (&val) : "cc"); @@ -931,7 +925,7 @@ static inline int64_t cpu_get_real_ticks(void) #elif defined(__sparc__) -static inline int64_t cpu_get_real_ticks (void) +static inline int64_t cpu_get_host_ticks (void) { #if defined(_LP64) uint64_t rval; @@ -969,7 +963,7 @@ static inline int64_t cpu_get_real_ticks (void) : "=r" (value)); \ } -static inline int64_t cpu_get_real_ticks(void) +static inline int64_t cpu_get_host_ticks(void) { /* On kernels >= 2.6.25 rdhwr <reg>, $2 and $3 are emulated */ uint32_t count; @@ -985,7 +979,7 @@ static inline int64_t cpu_get_real_ticks(void) #elif defined(__alpha__) -static inline int64_t cpu_get_real_ticks(void) +static inline int64_t cpu_get_host_ticks(void) { uint64_t cc; uint32_t cur, ofs; @@ -1000,7 +994,7 @@ static inline int64_t cpu_get_real_ticks(void) /* The host CPU doesn't have an easily accessible cycle counter. Just return a monotonically increasing value. This will be totally wrong, but hopefully better than nothing. */ -static inline int64_t cpu_get_real_ticks (void) +static inline int64_t cpu_get_host_ticks (void) { static int64_t ticks = 0; return ticks++; |