41 lines
1.4 KiB
C
41 lines
1.4 KiB
C
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/* SPDX-License-Identifier: GPL-2.0-or-later */
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/* Access guest memory in blocks. */
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#ifndef X86_TCG_ACCESS_H
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#define X86_TCG_ACCESS_H
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/* An access covers at most sizeof(X86XSaveArea), at most 2 pages. */
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typedef struct X86Access {
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target_ulong vaddr;
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void *haddr1;
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void *haddr2;
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uint16_t size;
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uint16_t size1;
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/*
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* If we can't access the host page directly, we'll have to do I/O access
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* via ld/st helpers. These are internal details, so we store the rest
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* to do the access here instead of passing it around in the helpers.
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*/
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int mmu_idx;
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CPUX86State *env;
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uintptr_t ra;
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} X86Access;
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void access_prepare_mmu(X86Access *ret, CPUX86State *env,
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vaddr vaddr, unsigned size,
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MMUAccessType type, int mmu_idx, uintptr_t ra);
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void access_prepare(X86Access *ret, CPUX86State *env, vaddr vaddr,
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unsigned size, MMUAccessType type, uintptr_t ra);
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uint8_t access_ldb(X86Access *ac, vaddr addr);
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uint16_t access_ldw(X86Access *ac, vaddr addr);
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uint32_t access_ldl(X86Access *ac, vaddr addr);
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uint64_t access_ldq(X86Access *ac, vaddr addr);
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void access_stb(X86Access *ac, vaddr addr, uint8_t val);
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void access_stw(X86Access *ac, vaddr addr, uint16_t val);
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void access_stl(X86Access *ac, vaddr addr, uint32_t val);
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void access_stq(X86Access *ac, vaddr addr, uint64_t val);
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#endif
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