diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/s390/include/asm/timex.h')
-rw-r--r-- | ANDROID_3.4.5/arch/s390/include/asm/timex.h | 140 |
1 files changed, 0 insertions, 140 deletions
diff --git a/ANDROID_3.4.5/arch/s390/include/asm/timex.h b/ANDROID_3.4.5/arch/s390/include/asm/timex.h deleted file mode 100644 index c447a27a..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/timex.h +++ /dev/null @@ -1,140 +0,0 @@ -/* - * include/asm-s390/timex.h - * - * S390 version - * Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation - * - * Derived from "include/asm-i386/timex.h" - * Copyright (C) 1992, Linus Torvalds - */ - -#ifndef _ASM_S390_TIMEX_H -#define _ASM_S390_TIMEX_H - -#include <asm/lowcore.h> - -/* The value of the TOD clock for 1.1.1970. */ -#define TOD_UNIX_EPOCH 0x7d91048bca000000ULL - -/* Inline functions for clock register access. */ -static inline int set_clock(__u64 time) -{ - int cc; - - asm volatile( - " sck %1\n" - " ipm %0\n" - " srl %0,28\n" - : "=d" (cc) : "Q" (time) : "cc"); - return cc; -} - -static inline int store_clock(__u64 *time) -{ - int cc; - - asm volatile( - " stck %1\n" - " ipm %0\n" - " srl %0,28\n" - : "=d" (cc), "=Q" (*time) : : "cc"); - return cc; -} - -static inline void set_clock_comparator(__u64 time) -{ - asm volatile("sckc %0" : : "Q" (time)); -} - -static inline void store_clock_comparator(__u64 *time) -{ - asm volatile("stckc %0" : "=Q" (*time)); -} - -void clock_comparator_work(void); - -static inline unsigned long long local_tick_disable(void) -{ - unsigned long long old; - - old = S390_lowcore.clock_comparator; - S390_lowcore.clock_comparator = -1ULL; - set_clock_comparator(S390_lowcore.clock_comparator); - return old; -} - -static inline void local_tick_enable(unsigned long long comp) -{ - S390_lowcore.clock_comparator = comp; - set_clock_comparator(S390_lowcore.clock_comparator); -} - -#define CLOCK_TICK_RATE 1193180 /* Underlying HZ */ - -typedef unsigned long long cycles_t; - -static inline unsigned long long get_clock (void) -{ - unsigned long long clk; - - asm volatile("stck %0" : "=Q" (clk) : : "cc"); - return clk; -} - -static inline void get_clock_ext(char *clk) -{ - asm volatile("stcke %0" : "=Q" (*clk) : : "cc"); -} - -static inline unsigned long long get_clock_fast(void) -{ - unsigned long long clk; - - if (MACHINE_HAS_STCKF) - asm volatile(".insn s,0xb27c0000,%0" : "=Q" (clk) : : "cc"); - else - clk = get_clock(); - return clk; -} - -static inline unsigned long long get_clock_xt(void) -{ - unsigned char clk[16]; - get_clock_ext(clk); - return *((unsigned long long *)&clk[1]); -} - -static inline cycles_t get_cycles(void) -{ - return (cycles_t) get_clock() >> 2; -} - -int get_sync_clock(unsigned long long *clock); -void init_cpu_timer(void); -unsigned long long monotonic_clock(void); - -void tod_to_timeval(__u64, struct timespec *); - -static inline -void stck_to_timespec(unsigned long long stck, struct timespec *ts) -{ - tod_to_timeval(stck - TOD_UNIX_EPOCH, ts); -} - -extern u64 sched_clock_base_cc; - -/** - * get_clock_monotonic - returns current time in clock rate units - * - * The caller must ensure that preemption is disabled. - * The clock and sched_clock_base get changed via stop_machine. - * Therefore preemption must be disabled when calling this - * function, otherwise the returned value is not guaranteed to - * be monotonic. - */ -static inline unsigned long long get_clock_monotonic(void) -{ - return get_clock_xt() - sched_clock_base_cc; -} - -#endif |