1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
/* SPDX-License-Identifier: GPL-2.0-or-later */
/* Access guest memory in blocks. */
#ifndef X86_TCG_ACCESS_H
#define X86_TCG_ACCESS_H
/* An access covers at most sizeof(X86XSaveArea), at most 2 pages. */
typedef struct X86Access {
target_ulong vaddr;
void *haddr1;
void *haddr2;
uint16_t size;
uint16_t size1;
/*
* If we can't access the host page directly, we'll have to do I/O access
* via ld/st helpers. These are internal details, so we store the rest
* to do the access here instead of passing it around in the helpers.
*/
int mmu_idx;
CPUX86State *env;
uintptr_t ra;
} X86Access;
void access_prepare_mmu(X86Access *ret, CPUX86State *env,
vaddr vaddr, unsigned size,
MMUAccessType type, int mmu_idx, uintptr_t ra);
void access_prepare(X86Access *ret, CPUX86State *env, vaddr vaddr,
unsigned size, MMUAccessType type, uintptr_t ra);
uint8_t access_ldb(X86Access *ac, vaddr addr);
uint16_t access_ldw(X86Access *ac, vaddr addr);
uint32_t access_ldl(X86Access *ac, vaddr addr);
uint64_t access_ldq(X86Access *ac, vaddr addr);
void access_stb(X86Access *ac, vaddr addr, uint8_t val);
void access_stw(X86Access *ac, vaddr addr, uint16_t val);
void access_stl(X86Access *ac, vaddr addr, uint32_t val);
void access_stq(X86Access *ac, vaddr addr, uint64_t val);
#endif
|
