diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/s390/kernel/vdso64/gettimeofday.S')
| -rw-r--r-- | ANDROID_3.4.5/arch/s390/kernel/vdso64/gettimeofday.S | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/ANDROID_3.4.5/arch/s390/kernel/vdso64/gettimeofday.S b/ANDROID_3.4.5/arch/s390/kernel/vdso64/gettimeofday.S deleted file mode 100644 index 36ee6747..00000000 --- a/ANDROID_3.4.5/arch/s390/kernel/vdso64/gettimeofday.S +++ /dev/null @@ -1,56 +0,0 @@ -/* - * Userland implementation of gettimeofday() for 64 bits processes in a - * s390 kernel for use in the vDSO - * - * Copyright IBM Corp. 2008 - * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License (version 2 only) - * as published by the Free Software Foundation. - */ -#include <asm/vdso.h> -#include <asm/asm-offsets.h> -#include <asm/unistd.h> - - .text - .align 4 - .globl __kernel_gettimeofday - .type __kernel_gettimeofday,@function -__kernel_gettimeofday: - .cfi_startproc - larl %r5,_vdso_data -0: ltgr %r3,%r3 /* check if tz is NULL */ - je 1f - mvc 0(8,%r3),__VDSO_TIMEZONE(%r5) -1: ltgr %r2,%r2 /* check if tv is NULL */ - je 4f - lg %r4,__VDSO_UPD_COUNT(%r5) /* load update counter */ - tmll %r4,0x0001 /* pending update ? loop */ - jnz 0b - stck 48(%r15) /* Store TOD clock */ - lg %r1,48(%r15) - sg %r1,__VDSO_XTIME_STAMP(%r5) /* TOD - cycle_last */ - msgf %r1,__VDSO_NTP_MULT(%r5) /* * NTP adjustment */ - srlg %r1,%r1,12 /* cyc2ns(clock,cycle_delta) */ - alg %r1,__VDSO_XTIME_NSEC(%r5) /* + xtime.tv_nsec */ - lg %r0,__VDSO_XTIME_SEC(%r5) /* xtime.tv_sec */ - clg %r4,__VDSO_UPD_COUNT(%r5) /* check update counter */ - jne 0b - larl %r5,5f -2: clg %r1,0(%r5) - jl 3f - slg %r1,0(%r5) - aghi %r0,1 - j 2b -3: stg %r0,0(%r2) /* store tv->tv_sec */ - slgr %r0,%r0 /* tv_nsec -> tv_usec */ - ml %r0,8(%r5) - srlg %r0,%r0,6 - stg %r0,8(%r2) /* store tv->tv_usec */ -4: lghi %r2,0 - br %r14 -5: .quad 1000000000 - .long 274877907 - .cfi_endproc - .size __kernel_gettimeofday,.-__kernel_gettimeofday |