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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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8fbbc4b45c
Unify the clocksource code. Unify the tsc_init code. Signed-off-by: Alok N Kataria <akataria@vmware.com> Signed-off-by: Dan Hecht <dhecht@vmware.com> Cc: Dan Hecht <dhecht@vmware.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
62 lines
1.1 KiB
C
62 lines
1.1 KiB
C
#ifndef _ASMX86_TIME_H
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#define _ASMX86_TIME_H
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extern void hpet_time_init(void);
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#include <asm/mc146818rtc.h>
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#ifdef CONFIG_X86_32
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#include <linux/efi.h>
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static inline unsigned long native_get_wallclock(void)
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{
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unsigned long retval;
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if (efi_enabled)
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retval = efi_get_time();
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else
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retval = mach_get_cmos_time();
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return retval;
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}
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static inline int native_set_wallclock(unsigned long nowtime)
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{
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int retval;
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if (efi_enabled)
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retval = efi_set_rtc_mmss(nowtime);
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else
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retval = mach_set_rtc_mmss(nowtime);
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return retval;
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}
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#else
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extern void native_time_init_hook(void);
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static inline unsigned long native_get_wallclock(void)
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{
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return mach_get_cmos_time();
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}
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static inline int native_set_wallclock(unsigned long nowtime)
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{
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return mach_set_rtc_mmss(nowtime);
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}
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#endif
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#ifdef CONFIG_PARAVIRT
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#include <asm/paravirt.h>
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#else /* !CONFIG_PARAVIRT */
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#define get_wallclock() native_get_wallclock()
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#define set_wallclock(x) native_set_wallclock(x)
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#define choose_time_init() hpet_time_init
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#endif /* CONFIG_PARAVIRT */
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extern unsigned long __init calibrate_cpu(void);
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#endif
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