| Greg Reid | e5bf5b2 | 2012-10-22 16:05:45 -0400 | [diff] [blame] | 1 | /* Copyright (c) 2012, The Linux Foundation. All rights reserved. |
| 2 | * |
| 3 | * Redistribution and use in source and binary forms, with or without |
| 4 | * modification, are permitted provided that the following conditions are |
| 5 | * met: |
| 6 | * * Redistributions of source code must retain the above copyright |
| 7 | * notice, this list of conditions and the following disclaimer. |
| 8 | * * Redistributions in binary form must reproduce the above |
| 9 | * copyright notice, this list of conditions and the following |
| 10 | * disclaimer in the documentation and/or other materials provided |
| 11 | * with the distribution. |
| 12 | * * Neither the name of The Linux Foundation nor the names of its |
| 13 | * contributors may be used to endorse or promote products derived |
| 14 | * from this software without specific prior written permission. |
| 15 | * |
| 16 | * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED |
| 17 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 18 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT |
| 19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS |
| 20 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| 23 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| 24 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| 25 | * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
| 26 | * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | * |
| 28 | */ |
| 29 | |
| 30 | #ifndef _ARCH_ARM_KERNEL_USER_HELPER_H |
| 31 | #define _ARCH_ARM_KERNEL_USER_HELPER_H |
| 32 | |
| 33 | extern int clock_gettime_syscall(int clk_id, struct timespec *tp); |
| 34 | extern int gettimeofday_syscall(struct timeval *tv, struct timezone *tz); |
| 35 | |
| 36 | #define __kuser_gtod_base (*(int32_t *)0xffff0f40) |
| 37 | #define __kuser_gtod_cycle_last (*(int32_t *)0xffff0f40) |
| 38 | #define __kuser_gtod_mask (*(int32_t *)0xffff0f48) |
| 39 | #define __kuser_gtod_mult (*(int32_t *)0xffff0f50) |
| 40 | #define __kuser_gtod_shift (*(int32_t *)0xffff0f54) |
| 41 | #define __kuser_gtod_tv_sec (*(int32_t *)0xffff0f58) |
| 42 | #define __kuser_gtod_tv_nsec (*(int32_t *)0xffff0f5c) |
| 43 | |
| 44 | #define __kuser_gtod_seqnum (*(int32_t *)0xffff0f28) |
| 45 | #define __kuser_gtod_offset (*(int32_t *)0xffff0f30) |
| 46 | #define __kuser_gtod_cycle_base 0xfffef000 |
| 47 | #define __kuser_gtod_feature (*(int32_t *)0xffff0f34) |
| 48 | #define __kuser_gtod_feature_flag 0xffff0f20 |
| 49 | |
| 50 | #define __kuser_gtod_wtm_tv_sec (*(int32_t *)0xffff0f38) |
| 51 | #define __kuser_gtod_wtm_tv_nsec (*(int32_t *)0xffff0f3c) |
| 52 | |
| 53 | #define __kuser_gtod_timezone (*(int32_t *)0xffff0f20) |
| 54 | #define __kuser_gtod_tz_minw (*(int32_t *)0xffff0f20) |
| 55 | #define __kuser_gtod_tz_dst (*(int32_t *)0xffff0f24) |
| 56 | |
| 57 | struct gtod_t { |
| 58 | uint64_t cycle_last; |
| 59 | uint64_t mask; |
| 60 | uint32_t mult; |
| 61 | uint32_t shift; |
| 62 | uint32_t tv_sec; |
| 63 | uint32_t tv_nsec; |
| 64 | }; |
| 65 | |
| 66 | #define NSEC_PER_SEC 1000000000L |
| 67 | |
| 68 | #endif |