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05a2fdf323
Move the definition of the x86 page-fault error code bits to a new header file asm/trap_pf.h. This makes it easier to include them into pre-decompression boot code. No functional changes. Signed-off-by: Joerg Roedel <jroedel@suse.de> Signed-off-by: Borislav Petkov <bp@suse.de> Link: https://lkml.kernel.org/r/20200907131613.12703-7-joro@8bytes.org
24 lines
645 B
C
24 lines
645 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _ASM_X86_TRAP_PF_H
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#define _ASM_X86_TRAP_PF_H
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/*
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* Page fault error code bits:
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*
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* bit 0 == 0: no page found 1: protection fault
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* bit 1 == 0: read access 1: write access
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* bit 2 == 0: kernel-mode access 1: user-mode access
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* bit 3 == 1: use of reserved bit detected
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* bit 4 == 1: fault was an instruction fetch
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* bit 5 == 1: protection keys block access
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*/
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enum x86_pf_error_code {
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X86_PF_PROT = 1 << 0,
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X86_PF_WRITE = 1 << 1,
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X86_PF_USER = 1 << 2,
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X86_PF_RSVD = 1 << 3,
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X86_PF_INSTR = 1 << 4,
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X86_PF_PK = 1 << 5,
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};
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#endif /* _ASM_X86_TRAP_PF_H */
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