2 * Helper routines to provide target memory access for semihosting
3 * syscalls in system emulation mode.
5 * Copyright (c) 2007 CodeSourcery.
7 * This code is licensed under the GPL
10 #define SOFTMMU_SEMI_H 1
12 static inline uint32_t softmmu_tget32(CPUArchState
*env
, target_ulong addr
)
16 cpu_memory_rw_debug(ENV_GET_CPU(env
), addr
, (uint8_t *)&val
, 4, 0);
19 static inline uint32_t softmmu_tget8(CPUArchState
*env
, target_ulong addr
)
23 cpu_memory_rw_debug(ENV_GET_CPU(env
), addr
, &val
, 1, 0);
27 #define get_user_u32(arg, p) ({ arg = softmmu_tget32(env, p) ; 0; })
28 #define get_user_u8(arg, p) ({ arg = softmmu_tget8(env, p) ; 0; })
29 #define get_user_ual(arg, p) get_user_u32(arg, p)
31 static inline void softmmu_tput32(CPUArchState
*env
,
32 target_ulong addr
, uint32_t val
)
35 cpu_memory_rw_debug(ENV_GET_CPU(env
), addr
, (uint8_t *)&val
, 4, 1);
37 #define put_user_u32(arg, p) ({ softmmu_tput32(env, p, arg) ; 0; })
38 #define put_user_ual(arg, p) put_user_u32(arg, p)
40 static void *softmmu_lock_user(CPUArchState
*env
,
41 target_ulong addr
, target_ulong len
, int copy
)
44 /* TODO: Make this something that isn't fixed size. */
47 cpu_memory_rw_debug(ENV_GET_CPU(env
), addr
, p
, len
, 0);
51 #define lock_user(type, p, len, copy) softmmu_lock_user(env, p, len, copy)
52 static char *softmmu_lock_user_string(CPUArchState
*env
, target_ulong addr
)
57 /* TODO: Make this something that isn't fixed size. */
63 cpu_memory_rw_debug(ENV_GET_CPU(env
), addr
, &c
, 1, 0);
69 #define lock_user_string(p) softmmu_lock_user_string(env, p)
70 static void softmmu_unlock_user(CPUArchState
*env
, void *p
, target_ulong addr
,
74 cpu_memory_rw_debug(ENV_GET_CPU(env
), addr
, p
, len
, 1);
78 #define unlock_user(s, args, len) softmmu_unlock_user(env, s, args, len)