diff options
Diffstat (limited to 'arch/s390/kernel/vdso32/clock_gettime.S')
| -rw-r--r-- | arch/s390/kernel/vdso32/clock_gettime.S | 31 |
1 files changed, 14 insertions, 17 deletions
diff --git a/arch/s390/kernel/vdso32/clock_gettime.S b/arch/s390/kernel/vdso32/clock_gettime.S index b2224e0b974c..65fc3979c2f1 100644 --- a/arch/s390/kernel/vdso32/clock_gettime.S +++ b/arch/s390/kernel/vdso32/clock_gettime.S @@ -38,25 +38,21 @@ __kernel_clock_gettime: sl %r1,__VDSO_XTIME_STAMP+4(%r5) brc 3,2f ahi %r0,-1 -2: ms %r0,__VDSO_NTP_MULT(%r5) /* cyc2ns(clock,cycle_delta) */ +2: ms %r0,__VDSO_TK_MULT(%r5) /* * tk->mult */ lr %r2,%r0 - l %r0,__VDSO_NTP_MULT(%r5) + l %r0,__VDSO_TK_MULT(%r5) ltr %r1,%r1 mr %r0,%r0 jnm 3f - a %r0,__VDSO_NTP_MULT(%r5) + a %r0,__VDSO_TK_MULT(%r5) 3: alr %r0,%r2 - srdl %r0,12 - al %r0,__VDSO_XTIME_NSEC(%r5) /* + xtime */ - al %r1,__VDSO_XTIME_NSEC+4(%r5) - brc 12,4f - ahi %r0,1 -4: l %r2,__VDSO_XTIME_SEC+4(%r5) - al %r0,__VDSO_WTOM_NSEC(%r5) /* + wall_to_monotonic */ + al %r0,__VDSO_WTOM_NSEC(%r5) al %r1,__VDSO_WTOM_NSEC+4(%r5) brc 12,5f ahi %r0,1 -5: al %r2,__VDSO_WTOM_SEC+4(%r5) +5: l %r2,__VDSO_TK_SHIFT(%r5) /* Timekeeper shift */ + srdl %r0,0(%r2) /* >> tk->shift */ + l %r2,__VDSO_WTOM_SEC+4(%r5) cl %r4,__VDSO_UPD_COUNT+4(%r5) /* check update counter */ jne 1b basr %r5,0 @@ -86,20 +82,21 @@ __kernel_clock_gettime: sl %r1,__VDSO_XTIME_STAMP+4(%r5) brc 3,12f ahi %r0,-1 -12: ms %r0,__VDSO_NTP_MULT(%r5) /* cyc2ns(clock,cycle_delta) */ +12: ms %r0,__VDSO_TK_MULT(%r5) /* * tk->mult */ lr %r2,%r0 - l %r0,__VDSO_NTP_MULT(%r5) + l %r0,__VDSO_TK_MULT(%r5) ltr %r1,%r1 mr %r0,%r0 jnm 13f - a %r0,__VDSO_NTP_MULT(%r5) + a %r0,__VDSO_TK_MULT(%r5) 13: alr %r0,%r2 - srdl %r0,12 - al %r0,__VDSO_XTIME_NSEC(%r5) /* + xtime */ + al %r0,__VDSO_XTIME_NSEC(%r5) /* + tk->xtime_nsec */ al %r1,__VDSO_XTIME_NSEC+4(%r5) brc 12,14f ahi %r0,1 -14: l %r2,__VDSO_XTIME_SEC+4(%r5) +14: l %r2,__VDSO_TK_SHIFT(%r5) /* Timekeeper shift */ + srdl %r0,0(%r2) /* >> tk->shift */ + l %r2,__VDSO_XTIME_SEC+4(%r5) cl %r4,__VDSO_UPD_COUNT+4(%r5) /* check update counter */ jne 11b basr %r5,0 |