diff options
Diffstat (limited to 'arch/s390/kernel/vdso64/gettimeofday.S')
| -rw-r--r-- | arch/s390/kernel/vdso64/gettimeofday.S | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/arch/s390/kernel/vdso64/gettimeofday.S b/arch/s390/kernel/vdso64/gettimeofday.S deleted file mode 100644 index aebe10dc7c99..000000000000 --- a/arch/s390/kernel/vdso64/gettimeofday.S +++ /dev/null @@ -1,71 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * 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) - */ -#include <asm/vdso.h> -#include <asm/asm-offsets.h> -#include <asm/unistd.h> -#include <asm/dwarf.h> -#include <asm/ptrace.h> - - .text - .align 4 - .globl __kernel_gettimeofday - .type __kernel_gettimeofday,@function -__kernel_gettimeofday: - CFI_STARTPROC - aghi %r15,-16 - CFI_ADJUST_CFA_OFFSET 16 - CFI_VAL_OFFSET 15, -STACK_FRAME_OVERHEAD - 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 - stcke 0(%r15) /* Store TOD clock */ - lg %r1,1(%r15) - lg %r0,__VDSO_TS_END(%r5) /* TOD steering end time */ - slgr %r0,%r1 /* now - ts_steering_end */ - ltgr %r0,%r0 /* past end of steering ? */ - jm 6f - srlg %r0,%r0,15 /* 1 per 2^16 */ - tm __VDSO_TS_DIR+3(%r5),0x01 /* steering direction? */ - jz 7f - lcgr %r0,%r0 /* negative TOD offset */ -7: algr %r1,%r0 /* add steering offset */ -6: sg %r1,__VDSO_XTIME_STAMP(%r5) /* TOD - cycle_last */ - msgf %r1,__VDSO_TK_MULT(%r5) /* * tk->mult */ - alg %r1,__VDSO_XTIME_NSEC(%r5) /* + tk->xtime_nsec */ - lg %r0,__VDSO_XTIME_SEC(%r5) /* tk->xtime_sec */ - clg %r4,__VDSO_UPD_COUNT(%r5) /* check update counter */ - jne 0b - lgf %r5,__VDSO_TK_SHIFT(%r5) /* Timekeeper shift */ - srlg %r1,%r1,0(%r5) /* >> tk->shift */ - 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 - aghi %r15,16 - CFI_ADJUST_CFA_OFFSET -16 - CFI_RESTORE 15 - br %r14 - CFI_ENDPROC -5: .quad 1000000000 - .long 274877907 - .size __kernel_gettimeofday,.-__kernel_gettimeofday |