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isa: always use provided ISA bus when creating an isa device
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1 /*
2 * QEMU Module Infrastructure
3 *
4 * Copyright IBM, Corp. 2009
5 *
6 * Authors:
7 * Anthony Liguori <aliguori@us.ibm.com>
8 *
9 * This work is licensed under the terms of the GNU GPL, version 2. See
10 * the COPYING file in the top-level directory.
11 *
12 */
13
14 #include "qemu-common.h"
15 #include "qemu-queue.h"
16 #include "module.h"
17
18 typedef struct ModuleEntry
19 {
20 module_init_type type;
21 void (*init)(void);
22 QTAILQ_ENTRY(ModuleEntry) node;
23 } ModuleEntry;
24
25 typedef QTAILQ_HEAD(, ModuleEntry) ModuleTypeList;
26
27 static ModuleTypeList init_type_list[MODULE_INIT_MAX];
28
29 static void init_types(void)
30 {
31 static int inited;
32 int i;
33
34 if (inited) {
35 return;
36 }
37
38 for (i = 0; i < MODULE_INIT_MAX; i++) {
39 QTAILQ_INIT(&init_type_list[i]);
40 }
41
42 inited = 1;
43 }
44
45
46 static ModuleTypeList *find_type(module_init_type type)
47 {
48 ModuleTypeList *l;
49
50 init_types();
51
52 l = &init_type_list[type];
53
54 return l;
55 }
56
57 void register_module_init(void (*fn)(void), module_init_type type)
58 {
59 ModuleEntry *e;
60 ModuleTypeList *l;
61
62 e = g_malloc0(sizeof(*e));
63 e->init = fn;
64
65 l = find_type(type);
66
67 QTAILQ_INSERT_TAIL(l, e, node);
68 }
69
70 void module_call_init(module_init_type type)
71 {
72 ModuleTypeList *l;
73 ModuleEntry *e;
74
75 l = find_type(type);
76
77 QTAILQ_FOREACH(e, l, node) {
78 e->init();
79 }
80 }