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39 lines
868 B
39 lines
868 B
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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* Copyright (C) 2012 ARM Limited |
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* Copyright (C) 2014 Regents of the University of California |
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* Copyright (C) 2017 SiFive |
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*/ |
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#ifndef _ASM_RISCV_VDSO_H |
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#define _ASM_RISCV_VDSO_H |
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/* |
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* All systems with an MMU have a VDSO, but systems without an MMU don't |
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* support shared libraries and therefor don't have one. |
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*/ |
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#ifdef CONFIG_MMU |
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#include <linux/types.h> |
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/* |
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* All systems with an MMU have a VDSO, but systems without an MMU don't |
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* support shared libraries and therefor don't have one. |
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*/ |
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#ifdef CONFIG_MMU |
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#define __VVAR_PAGES 1 |
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#ifndef __ASSEMBLY__ |
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#include <generated/vdso-offsets.h> |
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#define VDSO_SYMBOL(base, name) \ |
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(void __user *)((unsigned long)(base) + __vdso_##name##_offset) |
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#endif /* CONFIG_MMU */ |
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#endif /* !__ASSEMBLY__ */ |
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#endif /* CONFIG_MMU */ |
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#endif /* _ASM_RISCV_VDSO_H */
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