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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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722b454431
Export to TLB exception code generating functions so that KVM can construct a fast TLB refill handler for guest context without reinventing the wheel quite so much. Signed-off-by: James Hogan <james.hogan@imgtec.com> Acked-by: Ralf Baechle <ralf@linux-mips.org> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: "Radim Krčmář" <rkrcmar@redhat.com> Cc: linux-mips@linux-mips.org Cc: kvm@vger.kernel.org
27 lines
749 B
C
27 lines
749 B
C
#ifndef __ASM_TLBEX_H
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#define __ASM_TLBEX_H
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#include <asm/uasm.h>
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/*
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* Write random or indexed TLB entry, and care about the hazards from
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* the preceding mtc0 and for the following eret.
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*/
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enum tlb_write_entry {
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tlb_random,
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tlb_indexed
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};
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extern int pgd_reg;
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void build_get_pmde64(u32 **p, struct uasm_label **l, struct uasm_reloc **r,
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unsigned int tmp, unsigned int ptr);
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void build_get_pgde32(u32 **p, unsigned int tmp, unsigned int ptr);
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void build_get_ptep(u32 **p, unsigned int tmp, unsigned int ptr);
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void build_update_entries(u32 **p, unsigned int tmp, unsigned int ptep);
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void build_tlb_write_entry(u32 **p, struct uasm_label **l,
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struct uasm_reloc **r,
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enum tlb_write_entry wmode);
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#endif /* __ASM_TLBEX_H */
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