79da079239
This commit also converts our own copyright headers to directly use SPDX, but leaves all other copyright header intact, only adding the SPDX ident. As far as possible this commit also merges multiple Data61 copyright statements/headers into one for consistency.
54 lines
1.2 KiB
C
54 lines
1.2 KiB
C
/*
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* Copyright 2020, Data61, CSIRO (ABN 41 687 119 230)
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*
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* SPDX-License-Identifier: GPL-2.0-only
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*/
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#ifndef __DRIVERS_TIMER_ARM_GENERIC_H_
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#define __DRIVERS_TIMER_ARM_GENERIC_H_
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#include <config.h>
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#include <mode/machine.h>
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/* ARM generic timer implementation */
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#ifdef CONFIG_KERNEL_MCS
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#include <model/statedata.h>
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#include <api/types.h>
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/** DONT_TRANSLATE **/
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static inline ticks_t getCurrentTime(void)
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{
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ticks_t time;
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SYSTEM_READ_64(CNT_CT, time);
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return time;
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}
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/** DONT_TRANSLATE **/
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static inline void setDeadline(ticks_t deadline)
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{
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assert(deadline >= NODE_STATE(ksCurTime));
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SYSTEM_WRITE_64(CNT_CVAL, deadline);
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}
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static inline void ackDeadlineIRQ(void)
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{
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ticks_t deadline = UINT64_MAX;
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setDeadline(deadline);
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}
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#else /* CONFIG_KERNEL_MCS */
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#include <arch/machine/timer.h>
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static inline void resetTimer(void)
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{
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SYSTEM_WRITE_WORD(CNT_TVAL, TIMER_RELOAD);
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SYSTEM_WRITE_WORD(CNT_CTL, BIT(0));
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}
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#endif /* !CONFIG_KERNEL_MCS */
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BOOT_CODE void initGenericTimer(void);
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#ifdef CONFIG_ARM_HYPERVISOR_SUPPORT
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static uint64_t read_cntpct(void) UNUSED;
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static void save_virt_timer(vcpu_t *vcpu);
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static void restore_virt_timer(vcpu_t *vcpu);
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#endif /* CONFIG_ARM_HYPERVISOR_SUPPORT */
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#endif /* __DRIVERS_TIMER_ARM_GENERIC_H_ */
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