diff options
Diffstat (limited to 'i386/i386at/rtc.h')
| -rw-r--r-- | i386/i386at/rtc.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/i386/i386at/rtc.h b/i386/i386at/rtc.h index ced39b9..64a528a 100644 --- a/i386/i386at/rtc.h +++ b/i386/i386at/rtc.h @@ -45,6 +45,9 @@ NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ +#ifndef _RTC_H_ +#define _RTC_H_ + #define RTC_ADDR 0x70 /* I/O port address for register select */ #define RTC_DATA 0x71 /* I/O port address for data read/write */ @@ -136,3 +139,5 @@ struct rtc_st { extern int readtodc(u_int *tp); extern int writetodc(void); + +#endif /* _RTC_H_ */ |