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/*
* QEMU Module Infrastructure
*
* Copyright IBM, Corp. 2009
*
* Authors:
* Anthony Liguori <aliguori@us.ibm.com>
*
* This work is licensed under the terms of the GNU GPL, version 2. See
* the COPYING file in the top-level directory.
*
*/
#include "qemu-common.h"
#include "qemu-queue.h"
#include "module.h"
typedef struct ModuleEntry
{
module_init_type type;
void (*init)(void);
QTAILQ_ENTRY(ModuleEntry) node;
} ModuleEntry;
typedef QTAILQ_HEAD(, ModuleEntry) ModuleTypeList;
static ModuleTypeList init_type_list[MODULE_INIT_MAX];
static void init_types(void)
{
static int inited;
int i;
if (inited) {
return;
}
for (i = 0; i < MODULE_INIT_MAX; i++) {
QTAILQ_INIT(&init_type_list[i]);
}
inited = 1;
}
static ModuleTypeList *find_type(module_init_type type)
{
ModuleTypeList *l;
init_types();
l = &init_type_list[type];
return l;
}
void register_module_init(void (*fn)(void), module_init_type type)
{
ModuleEntry *e;
ModuleTypeList *l;
e = qemu_mallocz(sizeof(*e));
e->init = fn;
l = find_type(type);
QTAILQ_INSERT_TAIL(l, e, node);
}
void module_call_init(module_init_type type)
{
ModuleTypeList *l;
ModuleEntry *e;
l = find_type(type);
QTAILQ_FOREACH(e, l, node) {
e->init();
}
}
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