summaryrefslogtreecommitdiffstats
path: root/arch/x86/include/asm/time.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/include/asm/time.h')
-rw-r--r--arch/x86/include/asm/time.h63
1 files changed, 63 insertions, 0 deletions
diff --git a/arch/x86/include/asm/time.h b/arch/x86/include/asm/time.h
new file mode 100644
index 00000000000..50c733aac42
--- /dev/null
+++ b/arch/x86/include/asm/time.h
@@ -0,0 +1,63 @@
+#ifndef _ASM_X86_TIME_H
+#define _ASM_X86_TIME_H
+
+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)
+#define choose_time_init() hpet_time_init
+
+#endif /* CONFIG_PARAVIRT */
+
+extern unsigned long __init calibrate_cpu(void);
+
+#endif /* _ASM_X86_TIME_H */