| /* Copyright (c) 2012, The Linux Foundation. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials provided |
| * with the distribution. |
| * * Neither the name of The Linux Foundation nor the names of its |
| * contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
| * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| */ |
| |
| #ifndef _ARCH_ARM_KERNEL_USER_HELPER_H |
| #define _ARCH_ARM_KERNEL_USER_HELPER_H |
| |
| extern int clock_gettime_syscall(int clk_id, struct timespec *tp); |
| extern int gettimeofday_syscall(struct timeval *tv, struct timezone *tz); |
| |
| #define __kuser_gtod_base (*(int32_t *)0xffff0f40) |
| #define __kuser_gtod_cycle_last (*(int32_t *)0xffff0f40) |
| #define __kuser_gtod_mask (*(int32_t *)0xffff0f48) |
| #define __kuser_gtod_mult (*(int32_t *)0xffff0f50) |
| #define __kuser_gtod_shift (*(int32_t *)0xffff0f54) |
| #define __kuser_gtod_tv_sec (*(int32_t *)0xffff0f58) |
| #define __kuser_gtod_tv_nsec (*(int32_t *)0xffff0f5c) |
| |
| #define __kuser_gtod_seqnum (*(int32_t *)0xffff0f28) |
| #define __kuser_gtod_offset (*(int32_t *)0xffff0f30) |
| #define __kuser_gtod_cycle_base 0xfffef000 |
| #define __kuser_gtod_feature (*(int32_t *)0xffff0f34) |
| #define __kuser_gtod_feature_flag 0xffff0f20 |
| |
| #define __kuser_gtod_wtm_tv_sec (*(int32_t *)0xffff0f38) |
| #define __kuser_gtod_wtm_tv_nsec (*(int32_t *)0xffff0f3c) |
| |
| #define __kuser_gtod_timezone (*(int32_t *)0xffff0f20) |
| #define __kuser_gtod_tz_minw (*(int32_t *)0xffff0f20) |
| #define __kuser_gtod_tz_dst (*(int32_t *)0xffff0f24) |
| |
| struct gtod_t { |
| uint64_t cycle_last; |
| uint64_t mask; |
| uint32_t mult; |
| uint32_t shift; |
| uint32_t tv_sec; |
| uint32_t tv_nsec; |
| }; |
| |
| #define NSEC_PER_SEC 1000000000L |
| |
| #endif |