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-rw-r--r--arch/x86/include/asm/paravirt.h10
-rw-r--r--arch/x86/include/asm/paravirt_types.h4
-rw-r--r--arch/x86/include/asm/time.h50
-rw-r--r--arch/x86/include/asm/x86_init.h4
-rw-r--r--arch/x86/kernel/efi.c4
-rw-r--r--arch/x86/kernel/kvmclock.c4
-rw-r--r--arch/x86/kernel/paravirt.c2
-rw-r--r--arch/x86/kernel/rtc.c12
-rw-r--r--arch/x86/kernel/vmi_32.c4
-rw-r--r--arch/x86/kernel/x86_init.c2
-rw-r--r--arch/x86/lguest/boot.c4
-rw-r--r--arch/x86/xen/enlighten.c4
12 files changed, 21 insertions, 83 deletions
diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h
index 1e458a55330..a69ae87bd7d 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 0d812e592e3..c25d5e3bdf9 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 9c5608b21c2..7bdec4e9b73 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 b6c89428137..2c756fd4ab0 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 fe26ba3e345..ad5bd988fb7 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 75a21b61b86..59ab94db12e 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 7cbf898d839..c0fb85aed43 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 5d465b207e7..b8652f2e685 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 052ae81ee08..31e6f6cfe53 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 68824c7be4e..4449a4a2c2e 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 fabe745513d..4cb7d5d18b8 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 ee8cac77c8a..b5bf8b9119a 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
/*
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-12 09:55:29 +0000