7124449936
This changes the budget/remaining fields in scheduling contexts to contain timer ticks, not number of abstract sel4ticks. seL4_SchedControl_Configure now takes microseconds, not ticks. This commit is plat-independant - the platform and arch specific timer code follows in later commits.
40 lines
1.1 KiB
C
40 lines
1.1 KiB
C
/*
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* Copyright 2018, Data61
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* Commonwealth Scientific and Industrial Research Organisation (CSIRO)
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* ABN 41 687 119 230.
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*
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* This software may be distributed and modified according to the terms of
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* the GNU General Public License version 2. Note that NO WARRANTY is provided.
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* See "LICENSE_GPLv2.txt" for details.
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*
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* @TAG(DATA61_GPL)
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*/
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#ifndef __MACHINE_TIMER_H
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#define __MACHINE_TIMER_H
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#include <config.h>
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#include <arch/machine/timer.h>
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#ifdef CONFIG_KERNEL_MCS
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#include <types.h>
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#include <arch/linker.h>
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/* Read the current time from the timer. */
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/** MODIFIES: [*] */
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static inline ticks_t getCurrentTime(void);
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/* set the next deadline irq - deadline is absolute */
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/** MODIFIES: [*] */
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static inline void setDeadline(ticks_t deadline);
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/* ack previous deadline irq */
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/** MODIFIES: [*] */
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static inline void ackDeadlineIRQ(void);
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/* get the expected wcet of the kernel for this platform */
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static PURE inline ticks_t getKernelWcetTicks(void)
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{
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return usToTicks(getKernelWcetUs());
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}
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#else /* CONFIG_KERNEL_MCS */
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static inline void resetTimer(void);
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#endif /* !CONFIG_KERNEL_MCS */
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#endif /* __MACHINE_TIMER_H */
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