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26 lines
709 B
26 lines
709 B
/* 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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* bit 15 == 1: SGX MMU page-fault |
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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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X86_PF_SGX = 1 << 15, |
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}; |
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#endif /* _ASM_X86_TRAP_PF_H */
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