sparc/vdso/vclock_gettime.c

22 #include <asm/vvar.h>
48  * Compute the vvar page's address in the process address space, and return it
126 notrace static __always_inline u64 vgetsns(struct vvar_data *vvar)
132 	v = (cycles - vvar->clock.cycle_last) & vvar->clock.mask;
133 	return v * vvar->clock.mult;
136 notrace static __always_inline u64 vgetsns_stick(struct vvar_data *vvar)
142 	v = (cycles - vvar->clock.cycle_last) & vvar->clock.mask;
143 	return v * vvar->clock.mult;
146 notrace static __always_inline int do_realtime(struct vvar_data *vvar,
153 		seq = vvar_read_begin(vvar);
154 		ts->tv_sec = vvar->wall_time_sec;
155 		ns = vvar->wall_time_snsec;
156 		ns += vgetsns(vvar);
157 		ns >>= vvar->clock.shift;
158 	} while (unlikely(vvar_read_retry(vvar, seq)));
166 notrace static __always_inline int do_realtime_stick(struct vvar_data *vvar,
173 		seq = vvar_read_begin(vvar);
174 		ts->tv_sec = vvar->wall_time_sec;
175 		ns = vvar->wall_time_snsec;
176 		ns += vgetsns_stick(vvar);
177 		ns >>= vvar->clock.shift;
178 	} while (unlikely(vvar_read_retry(vvar, seq)));
186 notrace static __always_inline int do_monotonic(struct vvar_data *vvar,
193 		seq = vvar_read_begin(vvar);
194 		ts->tv_sec = vvar->monotonic_time_sec;
195 		ns = vvar->monotonic_time_snsec;
196 		ns += vgetsns(vvar);
197 		ns >>= vvar->clock.shift;
198 	} while (unlikely(vvar_read_retry(vvar, seq)));
206 notrace static __always_inline int do_monotonic_stick(struct vvar_data *vvar,
213 		seq = vvar_read_begin(vvar);
214 		ts->tv_sec = vvar->monotonic_time_sec;
215 		ns = vvar->monotonic_time_snsec;
216 		ns += vgetsns_stick(vvar);
217 		ns >>= vvar->clock.shift;
218 	} while (unlikely(vvar_read_retry(vvar, seq)));
226 notrace static int do_realtime_coarse(struct vvar_data *vvar,
232 		seq = vvar_read_begin(vvar);
233 		ts->tv_sec = vvar->wall_time_coarse_sec;
234 		ts->tv_nsec = vvar->wall_time_coarse_nsec;
235 	} while (unlikely(vvar_read_retry(vvar, seq)));
239 notrace static int do_monotonic_coarse(struct vvar_data *vvar,
245 		seq = vvar_read_begin(vvar);
246 		ts->tv_sec = vvar->monotonic_time_coarse_sec;
247 		ts->tv_nsec = vvar->monotonic_time_coarse_nsec;
248 	} while (unlikely(vvar_read_retry(vvar, seq)));