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 uint64_t softmmu_tget64(CPUArchState *env, target_ulong addr)
16 cpu_memory_rw_debug(ENV_GET_CPU(env), addr, (uint8_t *)&val, 8, 0);
20 static inline uint32_t softmmu_tget32(CPUArchState *env, target_ulong addr)
24 cpu_memory_rw_debug(ENV_GET_CPU(env), addr, (uint8_t *)&val, 4, 0);
28 static inline uint32_t softmmu_tget8(CPUArchState *env, target_ulong addr)
32 cpu_memory_rw_debug(ENV_GET_CPU(env), addr, &val, 1, 0);
36 #define get_user_u64(arg, p) ({ arg = softmmu_tget64(env, p); 0; })
37 #define get_user_u32(arg, p) ({ arg = softmmu_tget32(env, p) ; 0; })
38 #define get_user_u8(arg, p) ({ arg = softmmu_tget8(env, p) ; 0; })
39 #define get_user_ual(arg, p) get_user_u32(arg, p)
41 static inline void softmmu_tput64(CPUArchState *env,
42 target_ulong addr, uint64_t val)
45 cpu_memory_rw_debug(ENV_GET_CPU(env), addr, (uint8_t *)&val, 8, 1);
48 static inline void softmmu_tput32(CPUArchState *env,
49 target_ulong addr, uint32_t val)
52 cpu_memory_rw_debug(ENV_GET_CPU(env), addr, (uint8_t *)&val, 4, 1);
54 #define put_user_u64(arg, p) ({ softmmu_tput64(env, p, arg) ; 0; })
55 #define put_user_u32(arg, p) ({ softmmu_tput32(env, p, arg) ; 0; })
56 #define put_user_ual(arg, p) put_user_u32(arg, p)
58 static void *softmmu_lock_user(CPUArchState *env,
59 target_ulong addr, target_ulong len, int copy)
62 /* TODO: Make this something that isn't fixed size. */
65 cpu_memory_rw_debug(ENV_GET_CPU(env), addr, p, len, 0);
69 #define lock_user(type, p, len, copy) softmmu_lock_user(env, p, len, copy)
70 static char *softmmu_lock_user_string(CPUArchState *env, target_ulong addr)
75 /* TODO: Make this something that isn't fixed size. */
81 cpu_memory_rw_debug(ENV_GET_CPU(env), addr, &c, 1, 0);
87 #define lock_user_string(p) softmmu_lock_user_string(env, p)
88 static void softmmu_unlock_user(CPUArchState *env, void *p, target_ulong addr,
92 cpu_memory_rw_debug(ENV_GET_CPU(env), addr, p, len, 1);
96 #define unlock_user(s, args, len) softmmu_unlock_user(env, s, args, len)