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161f5bc8e9
Split icount stuff from system/cpu-timers.h. There are 17 files which only require icount.h, 7 that only require cpu-timers.h, and 7 that require both. Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
46 lines
1.1 KiB
C
46 lines
1.1 KiB
C
/*
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* CPU timers state API
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*
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* Copyright 2020 SUSE LLC
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*
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*/
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#ifndef SYSTEM_CPU_TIMERS_H
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#define SYSTEM_CPU_TIMERS_H
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#include "qemu/timer.h"
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/* init the whole cpu timers API, including icount, ticks, and cpu_throttle */
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void cpu_timers_init(void);
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/*
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* CPU Ticks and Clock
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*/
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/* Caller must hold BQL */
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void cpu_enable_ticks(void);
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/* Caller must hold BQL */
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void cpu_disable_ticks(void);
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/*
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* return the time elapsed in VM between vm_start and vm_stop.
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* cpu_get_ticks() uses units of the host CPU cycle counter.
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*/
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int64_t cpu_get_ticks(void);
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/*
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* Returns the monotonic time elapsed in VM, i.e.,
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* the time between vm_start and vm_stop
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*/
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int64_t cpu_get_clock(void);
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void qemu_timer_notify_cb(void *opaque, QEMUClockType type);
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/* get/set VIRTUAL clock and VM elapsed ticks via the cpus accel interface */
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int64_t cpus_get_virtual_clock(void);
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void cpus_set_virtual_clock(int64_t new_time);
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int64_t cpus_get_elapsed_ticks(void);
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#endif /* SYSTEM_CPU_TIMERS_H */
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