Commit 6b3a45ccea29d5e87a1ffa2506b847b5ba96f983
1 parent
9e407a85
Add missing file.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2864 c046a42c-6fe2-441c-8c8c-71466251a162
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softmmu-semi.h
0 → 100644
| 1 | +/* | |
| 2 | + * Helper routines to provide target memory access for semihosting | |
| 3 | + * syscalls in system emulation mode. | |
| 4 | + * | |
| 5 | + * Copyright (c) 2007 CodeSourcery. | |
| 6 | + * | |
| 7 | + * This code is licenced under the GPL | |
| 8 | + */ | |
| 9 | + | |
| 10 | +static inline uint32_t softmmu_tget32(CPUState *env, uint32_t addr) | |
| 11 | +{ | |
| 12 | + uint32_t val; | |
| 13 | + | |
| 14 | + cpu_memory_rw_debug(env, addr, (uint8_t *)&val, 4, 0); | |
| 15 | + return tswap32(val); | |
| 16 | +} | |
| 17 | +static inline uint32_t softmmu_tget8(CPUState *env, uint32_t addr) | |
| 18 | +{ | |
| 19 | + uint8_t val; | |
| 20 | + | |
| 21 | + cpu_memory_rw_debug(env, addr, &val, 1, 0); | |
| 22 | + return val; | |
| 23 | +} | |
| 24 | +#define tget32(p) softmmu_tget32(env, p) | |
| 25 | +#define tget8(p) softmmu_tget8(env, p) | |
| 26 | + | |
| 27 | +static inline void softmmu_tput32(CPUState *env, uint32_t addr, uint32_t val) | |
| 28 | +{ | |
| 29 | + val = tswap32(val); | |
| 30 | + cpu_memory_rw_debug(env, addr, (uint8_t *)&val, 4, 1); | |
| 31 | +} | |
| 32 | +#define tput32(p, val) softmmu_tput32(env, p, val) | |
| 33 | + | |
| 34 | +static void *softmmu_lock_user(CPUState *env, uint32_t addr, uint32_t len, | |
| 35 | + int copy) | |
| 36 | +{ | |
| 37 | + char *p; | |
| 38 | + /* TODO: Make this something that isn't fixed size. */ | |
| 39 | + p = malloc(len); | |
| 40 | + if (copy) | |
| 41 | + cpu_memory_rw_debug(env, addr, p, len, 0); | |
| 42 | + return p; | |
| 43 | +} | |
| 44 | +#define lock_user(p, len, copy) softmmu_lock_user(env, p, len, copy) | |
| 45 | +static char *softmmu_lock_user_string(CPUState *env, uint32_t addr) | |
| 46 | +{ | |
| 47 | + char *p; | |
| 48 | + char *s; | |
| 49 | + uint8_t c; | |
| 50 | + /* TODO: Make this something that isn't fixed size. */ | |
| 51 | + s = p = malloc(1024); | |
| 52 | + do { | |
| 53 | + cpu_memory_rw_debug(env, addr, &c, 1, 0); | |
| 54 | + addr++; | |
| 55 | + *(p++) = c; | |
| 56 | + } while (c); | |
| 57 | + return s; | |
| 58 | +} | |
| 59 | +#define lock_user_string(p) softmmu_lock_user_string(env, p) | |
| 60 | +static void softmmu_unlock_user(CPUState *env, void *p, target_ulong addr, | |
| 61 | + target_ulong len) | |
| 62 | +{ | |
| 63 | + if (len) | |
| 64 | + cpu_memory_rw_debug(env, addr, p, len, 1); | |
| 65 | + free(p); | |
| 66 | +} | |
| 67 | +#define unlock_user(s, args, len) softmmu_unlock_user(env, s, args, len) | ... | ... |