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
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
|
/*
* Helper routines to provide target memory access for semihosting
* syscalls in system emulation mode.
*
* Copyright (c) 2007 CodeSourcery.
*
* This code is licensed under the GPL
*/
#ifndef SOFTMMU_SEMI_H
#define SOFTMMU_SEMI_H
static inline uint64_t softmmu_tget64(CPUArchState *env, target_ulong addr)
{
uint64_t val;
cpu_memory_rw_debug(env_cpu(env), addr, (uint8_t *)&val, 8, 0);
return tswap64(val);
}
static inline uint32_t softmmu_tget32(CPUArchState *env, target_ulong addr)
{
uint32_t val;
cpu_memory_rw_debug(env_cpu(env), addr, (uint8_t *)&val, 4, 0);
return tswap32(val);
}
static inline uint32_t softmmu_tget8(CPUArchState *env, target_ulong addr)
{
uint8_t val;
cpu_memory_rw_debug(env_cpu(env), addr, &val, 1, 0);
return val;
}
#define get_user_u64(arg, p) ({ arg = softmmu_tget64(env, p); 0; })
#define get_user_u32(arg, p) ({ arg = softmmu_tget32(env, p) ; 0; })
#define get_user_u8(arg, p) ({ arg = softmmu_tget8(env, p) ; 0; })
#define get_user_ual(arg, p) get_user_u32(arg, p)
static inline void softmmu_tput64(CPUArchState *env,
target_ulong addr, uint64_t val)
{
val = tswap64(val);
cpu_memory_rw_debug(env_cpu(env), addr, (uint8_t *)&val, 8, 1);
}
static inline void softmmu_tput32(CPUArchState *env,
target_ulong addr, uint32_t val)
{
val = tswap32(val);
cpu_memory_rw_debug(env_cpu(env), addr, (uint8_t *)&val, 4, 1);
}
#define put_user_u64(arg, p) ({ softmmu_tput64(env, p, arg) ; 0; })
#define put_user_u32(arg, p) ({ softmmu_tput32(env, p, arg) ; 0; })
#define put_user_ual(arg, p) put_user_u32(arg, p)
static void *softmmu_lock_user(CPUArchState *env,
target_ulong addr, target_ulong len, int copy)
{
uint8_t *p;
/* TODO: Make this something that isn't fixed size. */
p = malloc(len);
if (p && copy) {
cpu_memory_rw_debug(env_cpu(env), addr, p, len, 0);
}
return p;
}
#define lock_user(type, p, len, copy) softmmu_lock_user(env, p, len, copy)
static char *softmmu_lock_user_string(CPUArchState *env, target_ulong addr)
{
char *p;
char *s;
uint8_t c;
/* TODO: Make this something that isn't fixed size. */
s = p = malloc(1024);
if (!s) {
return NULL;
}
do {
cpu_memory_rw_debug(env_cpu(env), addr, &c, 1, 0);
addr++;
*(p++) = c;
} while (c);
return s;
}
#define lock_user_string(p) softmmu_lock_user_string(env, p)
static void softmmu_unlock_user(CPUArchState *env, void *p, target_ulong addr,
target_ulong len)
{
if (len) {
cpu_memory_rw_debug(env_cpu(env), addr, p, len, 1);
}
free(p);
}
#define unlock_user(s, args, len) softmmu_unlock_user(env, s, args, len)
#endif
|
