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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /arch/x86/entry/vsyscall/vsyscall_emu_64.S | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/x86/entry/vsyscall/vsyscall_emu_64.S')
-rw-r--r-- | arch/x86/entry/vsyscall/vsyscall_emu_64.S | 39 |
1 files changed, 39 insertions, 0 deletions
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 <linux/linkage.h> + +#include <asm/irq_vectors.h> +#include <asm/page_types.h> +#include <asm/unistd_64.h> + +__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 |