diff options
| -rw-r--r-- | include/qemu/module.h | 2 | ||||
| -rw-r--r-- | util/module.c | 55 |
2 files changed, 57 insertions, 0 deletions
diff --git a/include/qemu/module.h b/include/qemu/module.h index 011ae1ae76..9121a475c1 100644 --- a/include/qemu/module.h +++ b/include/qemu/module.h @@ -70,5 +70,7 @@ void register_dso_module_init(void (*fn)(void), module_init_type type); void module_call_init(module_init_type type); bool module_load_one(const char *prefix, const char *lib_name); +void module_load_qom_one(const char *type); +void module_load_qom_all(void); #endif diff --git a/util/module.c b/util/module.c index e48d9aacc0..ee560a4b42 100644 --- a/util/module.c +++ b/util/module.c @@ -245,3 +245,58 @@ bool module_load_one(const char *prefix, const char *lib_name) #endif return success; } + +/* + * Building devices and other qom objects modular is mostly useful in + * case they have dependencies to external shared libraries, so we can + * cut down the core qemu library dependencies. Which is the case for + * only a very few devices & objects. + * + * So with the expectation that this will be rather the exception than + * to rule and the list will not gain that many entries go with a + * simple manually maintained list for now. + */ +static struct { + const char *type; + const char *prefix; + const char *module; +} const qom_modules[] = { +}; + +static bool module_loaded_qom_all; + +void module_load_qom_one(const char *type) +{ + int i; + + if (module_loaded_qom_all) { + return; + } + for (i = 0; i < ARRAY_SIZE(qom_modules); i++) { + if (strcmp(qom_modules[i].type, type) == 0) { + module_load_one(qom_modules[i].prefix, + qom_modules[i].module); + return; + } + } +} + +void module_load_qom_all(void) +{ + int i; + + if (module_loaded_qom_all) { + return; + } + for (i = 0; i < ARRAY_SIZE(qom_modules); i++) { + if (i > 0 && (strcmp(qom_modules[i - 1].module, + qom_modules[i].module) == 0 && + strcmp(qom_modules[i - 1].prefix, + qom_modules[i].prefix) == 0)) { + /* one module implementing multiple types -> load only once */ + continue; + } + module_load_one(qom_modules[i].prefix, qom_modules[i].module); + } + module_loaded_qom_all = true; +} |