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36 lines
582 B
36 lines
582 B
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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* vsyscall_emu_64.S: Vsyscall emulation page |
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* |
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* Copyright (c) 2011 Andy Lutomirski |
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*/ |
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#include <linux/linkage.h> |
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#include <asm/irq_vectors.h> |
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#include <asm/page_types.h> |
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#include <asm/unistd_64.h> |
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__PAGE_ALIGNED_DATA |
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.globl __vsyscall_page |
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.balign PAGE_SIZE, 0xcc |
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.type __vsyscall_page, @object |
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__vsyscall_page: |
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mov $__NR_gettimeofday, %rax |
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syscall |
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ret |
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.balign 1024, 0xcc |
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mov $__NR_time, %rax |
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syscall |
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ret |
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.balign 1024, 0xcc |
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mov $__NR_getcpu, %rax |
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syscall |
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ret |
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.balign 4096, 0xcc |
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.size __vsyscall_page, 4096
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