diff options
| -rw-r--r-- | arch/x86/include/asm/paravirt.h | 10 | ||||
| -rw-r--r-- | arch/x86/include/asm/paravirt_types.h | 4 | ||||
| -rw-r--r-- | arch/x86/include/asm/time.h | 50 | ||||
| -rw-r--r-- | arch/x86/include/asm/x86_init.h | 4 | ||||
| -rw-r--r-- | arch/x86/kernel/efi.c | 4 | ||||
| -rw-r--r-- | arch/x86/kernel/kvmclock.c | 4 | ||||
| -rw-r--r-- | arch/x86/kernel/paravirt.c | 2 | ||||
| -rw-r--r-- | arch/x86/kernel/rtc.c | 12 | ||||
| -rw-r--r-- | arch/x86/kernel/vmi_32.c | 4 | ||||
| -rw-r--r-- | arch/x86/kernel/x86_init.c | 2 | ||||
| -rw-r--r-- | arch/x86/lguest/boot.c | 4 | ||||
| -rw-r--r-- | arch/x86/xen/enlighten.c | 4 |
12 files changed, 21 insertions, 83 deletions
diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h index 1e458a5..a69ae87 100644 --- a/arch/x86/include/asm/paravirt.h +++ b/arch/x86/include/asm/paravirt.h @@ -24,16 +24,6 @@ static inline void load_sp0(struct tss_struct *tss, PVOP_VCALL2(pv_cpu_ops.load_sp0, tss, thread); } -static inline unsigned long get_wallclock(void) -{ - return PVOP_CALL0(unsigned long, pv_time_ops.get_wallclock); -} - -static inline int set_wallclock(unsigned long nowtime) -{ - return PVOP_CALL1(int, pv_time_ops.set_wallclock, nowtime); -} - /* The paravirtualized CPUID instruction. */ static inline void __cpuid(unsigned int *eax, unsigned int *ebx, unsigned int *ecx, unsigned int *edx) diff --git a/arch/x86/include/asm/paravirt_types.h b/arch/x86/include/asm/paravirt_types.h index 0d812e5..c25d5e3 100644 --- a/arch/x86/include/asm/paravirt_types.h +++ b/arch/x86/include/asm/paravirt_types.h @@ -88,10 +88,6 @@ struct pv_lazy_ops { }; struct pv_time_ops { - /* Set and set time of day */ - unsigned long (*get_wallclock)(void); - int (*set_wallclock)(unsigned long); - unsigned long long (*sched_clock)(void); unsigned long (*get_tsc_khz)(void); }; diff --git a/arch/x86/include/asm/time.h b/arch/x86/include/asm/time.h index 9c5608b..7bdec4e 100644 --- a/arch/x86/include/asm/time.h +++ b/arch/x86/include/asm/time.h @@ -4,57 +4,7 @@ extern void hpet_time_init(void); #include <asm/mc146818rtc.h> -#ifdef CONFIG_X86_32 -#include <linux/efi.h> - -static inline unsigned long native_get_wallclock(void) -{ - unsigned long retval; - - if (efi_enabled) - retval = efi_get_time(); - else - retval = mach_get_cmos_time(); - - return retval; -} - -static inline int native_set_wallclock(unsigned long nowtime) -{ - int retval; - - if (efi_enabled) - retval = efi_set_rtc_mmss(nowtime); - else - retval = mach_set_rtc_mmss(nowtime); - - return retval; -} - -#else -extern void native_time_init_hook(void); - -static inline unsigned long native_get_wallclock(void) -{ - return mach_get_cmos_time(); -} - -static inline int native_set_wallclock(unsigned long nowtime) -{ - return mach_set_rtc_mmss(nowtime); -} - -#endif extern void time_init(void); -#ifdef CONFIG_PARAVIRT -#include <asm/paravirt.h> -#else /* !CONFIG_PARAVIRT */ - -#define get_wallclock() native_get_wallclock() -#define set_wallclock(x) native_set_wallclock(x) - -#endif /* CONFIG_PARAVIRT */ - #endif /* _ASM_X86_TIME_H */ diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h index b6c8942..2c756fd 100644 --- a/arch/x86/include/asm/x86_init.h +++ b/arch/x86/include/asm/x86_init.h @@ -114,9 +114,13 @@ struct x86_cpuinit_ops { /** * struct x86_platform_ops - platform specific runtime functions * @calibrate_tsc: calibrate TSC + * @get_wallclock: get time from HW clock like RTC etc. + * @set_wallclock: set time back to HW clock */ struct x86_platform_ops { unsigned long (*calibrate_tsc)(void); + unsigned long (*get_wallclock)(void); + int (*set_wallclock)(unsigned long nowtime); }; extern struct x86_init_ops x86_init; diff --git a/arch/x86/kernel/efi.c b/arch/x86/kernel/efi.c index fe26ba3..ad5bd98 100644 --- a/arch/x86/kernel/efi.c +++ b/arch/x86/kernel/efi.c @@ -42,6 +42,7 @@ #include <asm/time.h> #include <asm/cacheflush.h> #include <asm/tlbflush.h> +#include <asm/x86_init.h> #define EFI_DEBUG 1 #define PFX "EFI: " @@ -453,6 +454,9 @@ void __init efi_init(void) if (add_efi_memmap) do_add_efi_memmap(); + x86_platform.get_wallclock = efi_get_time; + x86_platform.set_wallclock = efi_set_rtc_mmss; + /* Setup for EFI runtime service */ reboot_type = BOOT_EFI; diff --git a/arch/x86/kernel/kvmclock.c b/arch/x86/kernel/kvmclock.c index 75a21b6..59ab94d 100644 --- a/arch/x86/kernel/kvmclock.c +++ b/arch/x86/kernel/kvmclock.c @@ -184,10 +184,10 @@ void __init kvmclock_init(void) if (kvmclock && kvm_para_has_feature(KVM_FEATURE_CLOCKSOURCE)) { if (kvm_register_clock("boot clock")) return; - pv_time_ops.get_wallclock = kvm_get_wallclock; - pv_time_ops.set_wallclock = kvm_set_wallclock; pv_time_ops.sched_clock = kvm_clock_read; x86_platform.calibrate_tsc = kvm_get_tsc_khz; + x86_platform.get_wallclock = kvm_get_wallclock; + x86_platform.set_wallclock = kvm_set_wallclock; #ifdef CONFIG_X86_LOCAL_APIC x86_cpuinit.setup_percpu_clockev = kvm_setup_secondary_clock; diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c index 7cbf898..c0fb85a 100644 --- a/arch/x86/kernel/paravirt.c +++ b/arch/x86/kernel/paravirt.c @@ -306,8 +306,6 @@ struct pv_init_ops pv_init_ops = { }; struct pv_time_ops pv_time_ops = { - .get_wallclock = native_get_wallclock, - .set_wallclock = native_set_wallclock, .sched_clock = native_sched_clock, }; diff --git a/arch/x86/kernel/rtc.c b/arch/x86/kernel/rtc.c index 5d465b2..b8652f2 100644 --- a/arch/x86/kernel/rtc.c +++ b/arch/x86/kernel/rtc.c @@ -8,6 +8,7 @@ #include <linux/pnp.h> #include <asm/vsyscall.h> +#include <asm/x86_init.h> #include <asm/time.h> #ifdef CONFIG_X86_32 @@ -165,13 +166,13 @@ void rtc_cmos_write(unsigned char val, unsigned char addr) } EXPORT_SYMBOL(rtc_cmos_write); -static int set_rtc_mmss(unsigned long nowtime) +int update_persistent_clock(struct timespec now) { unsigned long flags; int retval; spin_lock_irqsave(&rtc_lock, flags); - retval = set_wallclock(nowtime); + retval = x86_platform.set_wallclock(now.tv_sec); spin_unlock_irqrestore(&rtc_lock, flags); return retval; @@ -183,17 +184,12 @@ unsigned long read_persistent_clock(void) unsigned long retval, flags; spin_lock_irqsave(&rtc_lock, flags); - retval = get_wallclock(); + retval = x86_platform.get_wallclock(); spin_unlock_irqrestore(&rtc_lock, flags); return retval; } -int update_persistent_clock(struct timespec now) -{ - return set_rtc_mmss(now.tv_sec); -} - unsigned long long native_read_tsc(void) { return __native_read_tsc(); diff --git a/arch/x86/kernel/vmi_32.c b/arch/x86/kernel/vmi_32.c index 052ae81..31e6f6c 100644 --- a/arch/x86/kernel/vmi_32.c +++ b/arch/x86/kernel/vmi_32.c @@ -818,14 +818,14 @@ static inline int __init activate_vmi(void) vmi_timer_ops.cancel_alarm = vmi_get_function(VMI_CALL_CancelAlarm); x86_init.timers.timer_init = vmi_time_init; - pv_time_ops.get_wallclock = vmi_get_wallclock; - pv_time_ops.set_wallclock = vmi_set_wallclock; #ifdef CONFIG_X86_LOCAL_APIC x86_init.timers.setup_percpu_clockev = vmi_time_bsp_init; x86_cpuinit.setup_percpu_clockev = vmi_time_ap_init; #endif pv_time_ops.sched_clock = vmi_sched_clock; x86_platform.calibrate_tsc = vmi_tsc_khz; + x86_platform.get_wallclock = vmi_get_wallclock; + x86_platform.set_wallclock = vmi_set_wallclock; /* We have true wallclock functions; disable CMOS clock sync */ no_sync_cmos_clock = 1; diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c index 68824c7..4449a4a 100644 --- a/arch/x86/kernel/x86_init.c +++ b/arch/x86/kernel/x86_init.c @@ -70,4 +70,6 @@ struct x86_cpuinit_ops x86_cpuinit __cpuinitdata = { struct x86_platform_ops x86_platform = { .calibrate_tsc = native_calibrate_tsc, + .get_wallclock = mach_get_cmos_time, + .set_wallclock = mach_set_rtc_mmss, }; diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c index fabe745..4cb7d5d 100644 --- a/arch/x86/lguest/boot.c +++ b/arch/x86/lguest/boot.c @@ -1318,13 +1318,11 @@ __init void lguest_init(void) set_lguest_basic_apic_ops(); #endif - /* Time operations */ - pv_time_ops.get_wallclock = lguest_get_wallclock; - x86_init.resources.memory_setup = lguest_memory_setup; x86_init.irqs.intr_init = lguest_init_IRQ; x86_init.timers.timer_init = lguest_time_init; x86_platform.calibrate_tsc = lguest_tsc_khz; + x86_platform.get_wallclock = lguest_get_wallclock; /* * Now is a good time to look at the implementations of these functions diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index ee8cac7..b5bf8b9 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -842,8 +842,6 @@ static const struct pv_init_ops xen_init_ops __initdata = { }; static const struct pv_time_ops xen_time_ops __initdata = { - .set_wallclock = xen_set_wallclock, - .get_wallclock = xen_get_wallclock, .sched_clock = xen_sched_clock, }; @@ -980,6 +978,8 @@ asmlinkage void __init xen_start_kernel(void) x86_cpuinit.setup_percpu_clockev = x86_init_noop; x86_platform.calibrate_tsc = xen_tsc_khz; + x86_platform.get_wallclock = xen_get_wallclock; + x86_platform.set_wallclock = xen_set_wallclock; #ifdef CONFIG_X86_64 /* |
