blob: 4c768aa5cc748b3344e825336b83245d4a96ac35 (
plain)
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
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
#ifndef MMU_RADIX64_H
#define MMU_RADIX64_H
#ifndef CONFIG_USER_ONLY
/* Radix Quadrants */
#define R_EADDR_MASK 0x3FFFFFFFFFFFFFFF
#define R_EADDR_VALID_MASK 0xC00FFFFFFFFFFFFF
#define R_EADDR_QUADRANT 0xC000000000000000
#define R_EADDR_QUADRANT0 0x0000000000000000
#define R_EADDR_QUADRANT1 0x4000000000000000
#define R_EADDR_QUADRANT2 0x8000000000000000
#define R_EADDR_QUADRANT3 0xC000000000000000
/* Radix Partition Table Entry Fields */
#define PATE1_R_PRTB 0x0FFFFFFFFFFFF000
#define PATE1_R_PRTS 0x000000000000001F
/* Radix Process Table Entry Fields */
#define PRTBE_R_GET_RTS(rts) \
((((rts >> 58) & 0x18) | ((rts >> 5) & 0x7)) + 31)
#define PRTBE_R_RPDB 0x0FFFFFFFFFFFFF00
#define PRTBE_R_RPDS 0x000000000000001F
/* Radix Page Directory/Table Entry Fields */
#define R_PTE_VALID 0x8000000000000000
#define R_PTE_LEAF 0x4000000000000000
#define R_PTE_SW0 0x2000000000000000
#define R_PTE_RPN 0x01FFFFFFFFFFF000
#define R_PTE_SW1 0x0000000000000E00
#define R_GET_SW(sw) (((sw >> 58) & 0x8) | ((sw >> 9) & 0x7))
#define R_PTE_R 0x0000000000000100
#define R_PTE_C 0x0000000000000080
#define R_PTE_ATT 0x0000000000000030
#define R_PTE_ATT_NORMAL 0x0000000000000000
#define R_PTE_ATT_SAO 0x0000000000000010
#define R_PTE_ATT_NI_IO 0x0000000000000020
#define R_PTE_ATT_TOLERANT_IO 0x0000000000000030
#define R_PTE_EAA_PRIV 0x0000000000000008
#define R_PTE_EAA_R 0x0000000000000004
#define R_PTE_EAA_RW 0x0000000000000002
#define R_PTE_EAA_X 0x0000000000000001
#define R_PDE_NLB PRTBE_R_RPDB
#define R_PDE_NLS PRTBE_R_RPDS
#ifdef TARGET_PPC64
bool ppc_radix64_xlate(PowerPCCPU *cpu, vaddr eaddr, MMUAccessType access_type,
hwaddr *raddr, int *psizep, int *protp, int mmu_idx,
bool guest_visible);
static inline int ppc_radix64_get_prot_eaa(uint64_t pte)
{
return (pte & R_PTE_EAA_R ? PAGE_READ : 0) |
(pte & R_PTE_EAA_RW ? PAGE_READ | PAGE_WRITE : 0) |
(pte & R_PTE_EAA_X ? PAGE_EXEC : 0);
}
static inline int ppc_radix64_get_prot_amr(const PowerPCCPU *cpu)
{
const CPUPPCState *env = &cpu->env;
int amr = env->spr[SPR_AMR] >> 62; /* We only care about key0 AMR63:62 */
int iamr = env->spr[SPR_IAMR] >> 62; /* We only care about key0 IAMR63:62 */
return (amr & 0x2 ? 0 : PAGE_WRITE) | /* Access denied if bit is set */
(amr & 0x1 ? 0 : PAGE_READ) |
(iamr & 0x1 ? 0 : PAGE_EXEC);
}
#endif /* TARGET_PPC64 */
#endif /* CONFIG_USER_ONLY */
#endif /* MMU_RADIX64_H */
|
