878ddf1f |
1 | /*++\r |
2 | \r |
3 | Copyright (c) 2006, Intel Corporation \r |
4 | All rights reserved. This program and the accompanying materials \r |
5 | are licensed and made available under the terms and conditions of the BSD License \r |
6 | which accompanies this distribution. The full text of the license may be found at \r |
7 | http://opensource.org/licenses/bsd-license.php \r |
8 | \r |
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r |
11 | \r |
12 | Module Name:\r |
13 | \r |
14 | exec.h\r |
15 | \r |
16 | Abstract:\r |
17 | \r |
18 | EFI Event support\r |
19 | \r |
20 | --*/\r |
21 | \r |
22 | #ifndef _EXEC_H_\r |
23 | #define _EXEC_H_\r |
24 | \r |
25 | #define VALID_TPL(a) ((a) <= EFI_TPL_HIGH_LEVEL)\r |
26 | \r |
27 | //\r |
28 | // EFI_EVENT\r |
29 | //\r |
30 | \r |
31 | \r |
32 | \r |
33 | #define EVENT_SIGNATURE EFI_SIGNATURE_32('e','v','n','t')\r |
34 | typedef struct {\r |
35 | UINTN Signature;\r |
36 | UINT32 Type;\r |
37 | UINT32 SignalCount;\r |
38 | \r |
39 | //\r |
40 | // Entry if the event is registered to be signalled\r |
41 | //\r |
42 | \r |
43 | LIST_ENTRY SignalLink;\r |
44 | \r |
45 | //\r |
46 | // Notification information for this event\r |
47 | //\r |
48 | \r |
49 | EFI_TPL NotifyTpl;\r |
50 | EFI_EVENT_NOTIFY NotifyFunction;\r |
51 | VOID *NotifyContext;\r |
52 | EFI_GUID EventGroup;\r |
53 | LIST_ENTRY NotifyLink; \r |
54 | BOOLEAN ExFlag;\r |
55 | \r |
56 | //\r |
57 | // A list of all runtime events\r |
58 | //\r |
59 | LIST_ENTRY RuntimeLink;\r |
60 | \r |
61 | //\r |
62 | // Information by event type\r |
63 | //\r |
64 | \r |
65 | union {\r |
66 | //\r |
67 | // For timer events\r |
68 | //\r |
69 | struct {\r |
70 | LIST_ENTRY Link;\r |
71 | UINT64 TriggerTime;\r |
72 | UINT64 Period;\r |
73 | } Timer;\r |
74 | } u;\r |
75 | \r |
76 | } IEVENT; \r |
77 | \r |
78 | //\r |
79 | // Internal prototypes\r |
80 | //\r |
81 | \r |
82 | VOID\r |
83 | CoreDispatchEventNotifies (\r |
84 | IN EFI_TPL Priority\r |
85 | )\r |
86 | /*++\r |
87 | \r |
88 | Routine Description:\r |
89 | \r |
90 | Dispatches all pending events. \r |
91 | \r |
92 | Arguments:\r |
93 | \r |
94 | Priority - The task priority level of event notifications to dispatch\r |
95 | \r |
96 | Returns:\r |
97 | \r |
98 | None\r |
99 | \r |
100 | --*/\r |
101 | ;\r |
102 | \r |
103 | \r |
104 | UINTN\r |
105 | CoreHighestSetBit (\r |
106 | IN UINTN Number\r |
107 | )\r |
108 | /*++\r |
109 | \r |
110 | Routine Description:\r |
111 | \r |
112 | Return the highest set bit\r |
113 | \r |
114 | Arguments:\r |
115 | \r |
116 | Number - The value to check\r |
117 | \r |
118 | Returns:\r |
119 | \r |
120 | Bit position of the highest set bit\r |
121 | \r |
122 | --*/\r |
123 | ;\r |
124 | \r |
125 | \r |
126 | BOOLEAN\r |
127 | GetInterruptState (\r |
128 | VOID \r |
129 | )\r |
130 | /*++\r |
131 | \r |
132 | Routine Description:\r |
133 | \r |
134 | Disables CPU interrupts.\r |
135 | \r |
136 | Arguments:\r |
137 | \r |
138 | This - Protocol instance structure\r |
139 | \r |
140 | State - Pointer to the CPU's current interrupt state\r |
141 | \r |
142 | Returns: \r |
143 | \r |
144 | EFI_SUCCESS - If interrupts were disabled in the CPU.\r |
145 | \r |
146 | EFI_INVALID_PARAMETER - State is NULL.\r |
147 | \r |
148 | --*/\r |
149 | ;\r |
150 | \r |
151 | //\r |
152 | // Exported functions\r |
153 | //\r |
154 | \r |
155 | VOID\r |
156 | CoreEventVirtualAddressFixup (\r |
157 | VOID\r |
158 | )\r |
159 | /*++\r |
160 | \r |
161 | Routine Description:\r |
162 | \r |
163 | A function out of date, should be removed.\r |
164 | \r |
165 | Arguments:\r |
166 | \r |
167 | None\r |
168 | \r |
169 | Returns:\r |
170 | \r |
171 | None\r |
172 | \r |
173 | --*/\r |
174 | ;\r |
175 | \r |
176 | \r |
177 | VOID\r |
178 | CoreInitializeTimer (\r |
179 | VOID\r |
180 | )\r |
181 | /*++\r |
182 | \r |
183 | Routine Description:\r |
184 | \r |
185 | Initializes timer support\r |
186 | \r |
187 | Arguments:\r |
188 | \r |
189 | None\r |
190 | \r |
191 | Returns:\r |
192 | \r |
193 | None\r |
194 | \r |
195 | --*/\r |
196 | ;\r |
197 | \r |
198 | //\r |
199 | // extern data declarations\r |
200 | //\r |
201 | \r |
202 | extern EFI_LOCK gEventQueueLock;\r |
203 | extern UINTN gEventPending;\r |
204 | extern LIST_ENTRY gEventQueue[];\r |
205 | extern LIST_ENTRY gEventSignalQueue;\r |
206 | extern UINT8 gHSB[];\r |
207 | extern LIST_ENTRY mRuntimeEventList;\r |
208 | \r |
209 | #endif\r |