From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- arch/x86/entry/vsyscall/vsyscall_emu_64.S | 39 +++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 arch/x86/entry/vsyscall/vsyscall_emu_64.S (limited to 'arch/x86/entry/vsyscall/vsyscall_emu_64.S') diff --git a/arch/x86/entry/vsyscall/vsyscall_emu_64.S b/arch/x86/entry/vsyscall/vsyscall_emu_64.S new file mode 100644 index 0000000000..ef2dd18272 --- /dev/null +++ b/arch/x86/entry/vsyscall/vsyscall_emu_64.S @@ -0,0 +1,39 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * vsyscall_emu_64.S: Vsyscall emulation page + * + * Copyright (c) 2011 Andy Lutomirski + */ + +#include + +#include +#include +#include + +__PAGE_ALIGNED_DATA + .globl __vsyscall_page + .balign PAGE_SIZE, 0xcc + .type __vsyscall_page, @object +__vsyscall_page: + + mov $__NR_gettimeofday, %rax + syscall + ret + int3 + + .balign 1024, 0xcc + mov $__NR_time, %rax + syscall + ret + int3 + + .balign 1024, 0xcc + mov $__NR_getcpu, %rax + syscall + ret + int3 + + .balign 4096, 0xcc + + .size __vsyscall_page, 4096 -- cgit v1.2.3