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author | pbrook <pbrook@c046a42c-6fe2-441c-8c8c-71466251a162> | 2007-05-26 16:46:21 +0000 |
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committer | pbrook <pbrook@c046a42c-6fe2-441c-8c8c-71466251a162> | 2007-05-26 16:46:21 +0000 |
commit | 6b3a45ccea29d5e87a1ffa2506b847b5ba96f983 (patch) | |
tree | d118c60d270982f333eff03dc2222983ddbdb154 /softmmu-semi.h | |
parent | 9e407a85f1b291cecd5178e55ea7c8a86ef1371b (diff) | |
download | hqemu-6b3a45ccea29d5e87a1ffa2506b847b5ba96f983.zip hqemu-6b3a45ccea29d5e87a1ffa2506b847b5ba96f983.tar.gz |
Add missing file.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2864 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'softmmu-semi.h')
-rw-r--r-- | softmmu-semi.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/softmmu-semi.h b/softmmu-semi.h new file mode 100644 index 0000000..a5b8976 --- /dev/null +++ b/softmmu-semi.h @@ -0,0 +1,67 @@ +/* + * Helper routines to provide target memory access for semihosting + * syscalls in system emulation mode. + * + * Copyright (c) 2007 CodeSourcery. + * + * This code is licenced under the GPL + */ + +static inline uint32_t softmmu_tget32(CPUState *env, uint32_t addr) +{ + uint32_t val; + + cpu_memory_rw_debug(env, addr, (uint8_t *)&val, 4, 0); + return tswap32(val); +} +static inline uint32_t softmmu_tget8(CPUState *env, uint32_t addr) +{ + uint8_t val; + + cpu_memory_rw_debug(env, addr, &val, 1, 0); + return val; +} +#define tget32(p) softmmu_tget32(env, p) +#define tget8(p) softmmu_tget8(env, p) + +static inline void softmmu_tput32(CPUState *env, uint32_t addr, uint32_t val) +{ + val = tswap32(val); + cpu_memory_rw_debug(env, addr, (uint8_t *)&val, 4, 1); +} +#define tput32(p, val) softmmu_tput32(env, p, val) + +static void *softmmu_lock_user(CPUState *env, uint32_t addr, uint32_t len, + int copy) +{ + char *p; + /* TODO: Make this something that isn't fixed size. */ + p = malloc(len); + if (copy) + cpu_memory_rw_debug(env, addr, p, len, 0); + return p; +} +#define lock_user(p, len, copy) softmmu_lock_user(env, p, len, copy) +static char *softmmu_lock_user_string(CPUState *env, uint32_t addr) +{ + char *p; + char *s; + uint8_t c; + /* TODO: Make this something that isn't fixed size. */ + s = p = malloc(1024); + do { + cpu_memory_rw_debug(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(CPUState *env, void *p, target_ulong addr, + target_ulong len) +{ + if (len) + cpu_memory_rw_debug(env, addr, p, len, 1); + free(p); +} +#define unlock_user(s, args, len) softmmu_unlock_user(env, s, args, len) |