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| author | Christophe Leroy <christophe.leroy@csgroup.eu> | 2022-01-21 17:30:27 +0100 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2022-02-12 12:47:43 +0100 |
| commit | fd1feade75fb1a9275c39d76c5ccdbbbe6b37aa3 (patch) | |
| tree | 6f34bdf2144d5a3ea59ee140bac7ac29fb3adde3 /arch/powerpc/kernel/vdso64/datapage.S | |
| parent | powerpc/vdso: Rework VDSO32 makefile to add a prefix to object files (diff) | |
| download | linux-fd1feade75fb1a9275c39d76c5ccdbbbe6b37aa3.tar.xz linux-fd1feade75fb1a9275c39d76c5ccdbbbe6b37aa3.zip | |
powerpc/vdso: Merge vdso64 and vdso32 into a single directory
merge vdso64 into vdso32 and rename it vdso.
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/4dbe05cc130f6a0858d09ac72e436c373cb08b70.1642782130.git.christophe.leroy@csgroup.eu
Diffstat (limited to 'arch/powerpc/kernel/vdso64/datapage.S')
| -rw-r--r-- | arch/powerpc/kernel/vdso64/datapage.S | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/arch/powerpc/kernel/vdso64/datapage.S b/arch/powerpc/kernel/vdso64/datapage.S deleted file mode 100644 index 00760dc69d68..000000000000 --- a/arch/powerpc/kernel/vdso64/datapage.S +++ /dev/null @@ -1,59 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ -/* - * Access to the shared data page by the vDSO & syscall map - * - * Copyright (C) 2004 Benjamin Herrenschmuidt (benh@kernel.crashing.org), IBM Corp. - */ - -#include <asm/processor.h> -#include <asm/ppc_asm.h> -#include <asm/asm-offsets.h> -#include <asm/unistd.h> -#include <asm/vdso.h> -#include <asm/vdso_datapage.h> - - .text - -/* - * void *__kernel_get_syscall_map(unsigned int *syscall_count) ; - * - * returns a pointer to the syscall map. the map is agnostic to the - * size of "long", unlike kernel bitops, it stores bits from top to - * bottom so that memory actually contains a linear bitmap - * check for syscall N by testing bit (0x80000000 >> (N & 0x1f)) of - * 32 bits int at N >> 5. - */ -V_FUNCTION_BEGIN(__kernel_get_syscall_map) - .cfi_startproc - mflr r12 - .cfi_register lr,r12 - mr r4,r3 - get_datapage r3 - mtlr r12 - addi r3,r3,CFG_SYSCALL_MAP64 - cmpldi cr0,r4,0 - crclr cr0*4+so - beqlr - li r0,NR_syscalls - stw r0,0(r4) - blr - .cfi_endproc -V_FUNCTION_END(__kernel_get_syscall_map) - - -/* - * void unsigned long __kernel_get_tbfreq(void); - * - * returns the timebase frequency in HZ - */ -V_FUNCTION_BEGIN(__kernel_get_tbfreq) - .cfi_startproc - mflr r12 - .cfi_register lr,r12 - get_datapage r3 - ld r3,CFG_TB_TICKS_PER_SEC(r3) - mtlr r12 - crclr cr0*4+so - blr - .cfi_endproc -V_FUNCTION_END(__kernel_get_tbfreq) |