Only include SAL related definitions if the CPU Arch is IPF
[mirror_edk2.git] / EdkModulePkg / Library / EdkUefiRuntimeLib / Ipf / RuntimeLib.c
CommitLineData
878ddf1f 1/*++\r
2\r
3Copyright (c) 2006, Intel Corporation \r
4All rights reserved. This program and the accompanying materials \r
5are licensed and made available under the terms and conditions of the BSD License \r
6which accompanies this distribution. The full text of the license may be found at \r
7http://opensource.org/licenses/bsd-license.php \r
8 \r
9THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
10WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
11\r
12Module Name:\r
13\r
14 RuntimeLib.c\r
15\r
878ddf1f 16--*/\r
17\r
020a9a5b 18//#include <SalApi.h>\r
878ddf1f 19#include <RuntimeLibInternal.h>\r
20\r
21//\r
22// Driver Lib Module Globals\r
23//\r
f1cd55fe 24static EFI_EVENT mEfiVirtualNotifyEvent;\r
25EFI_RUNTIME_SERVICES *mRT;\r
878ddf1f 26\r
878ddf1f 27VOID\r
28EFIAPI\r
29RuntimeDriverExitBootServices (\r
30 IN EFI_EVENT Event,\r
31 IN VOID *Context\r
32 )\r
33/*++\r
34\r
35Routine Description:\r
36\r
37 Set AtRuntime flag as TRUE after ExitBootServices\r
38\r
39Arguments:\r
40\r
41 Event - The Event that is being processed\r
42 \r
43 Context - Event Context\r
44\r
45Returns: \r
46\r
47 None\r
48\r
49--*/\r
50{\r
f1cd55fe 51 if (EfiAtRuntime()) {\r
52 return;\r
878ddf1f 53 }\r
54}\r
55\r
878ddf1f 56VOID\r
57EFIAPI\r
58RuntimeLibVirtualNotifyEvent (\r
59 IN EFI_EVENT Event,\r
60 IN VOID *Context\r
61 )\r
62/*++\r
63\r
64Routine Description:\r
65\r
66 Fixup internal data so that EFI can be call in virtual mode.\r
67 Call the passed in Child Notify event and convert any pointers in \r
68 lib to virtual mode.\r
69\r
70Arguments:\r
71\r
72 Event - The Event that is being processed\r
73 \r
74 Context - Event Context\r
75\r
76Returns: \r
77\r
78 None\r
79\r
80--*/\r
81{\r
f1cd55fe 82 UINTN Index;\r
878ddf1f 83 EFI_EVENT_NOTIFY ChildNotifyEventHandler;\r
84\r
85 for (Index = 0; _gDriverSetVirtualAddressMapEvent[Index] != NULL; Index++) {\r
86 ChildNotifyEventHandler = _gDriverSetVirtualAddressMapEvent[Index];\r
87 ChildNotifyEventHandler (Event, NULL);\r
88 }\r
89\r
c25aaa00 90 //\r
91 // Update global for Runtime Services Table\r
92 //\r
93 EfiConvertPointer (0, (VOID **) &mRT);\r
878ddf1f 94}\r
95\r
96EFI_STATUS\r
a5e465a7 97EFIAPI\r
878ddf1f 98RuntimeDriverLibConstruct (\r
99 IN EFI_HANDLE ImageHandle,\r
100 IN EFI_SYSTEM_TABLE *SystemTable\r
101 )\r
102/*++\r
103\r
104Routine Description:\r
105\r
106 Intialize runtime Driver Lib if it has not yet been initialized. \r
107\r
108Arguments:\r
109\r
110 ImageHandle - The firmware allocated handle for the EFI image.\r
111 \r
112 SystemTable - A pointer to the EFI System Table.\r
113\r
114 GoVirtualChildEvent - Caller can register a virtual notification event.\r
115\r
116Returns: \r
117\r
118 EFI_STATUS always returns EFI_SUCCESS except EFI_ALREADY_STARTED if already started.\r
119\r
120--*/\r
121{\r
878ddf1f 122 EFI_STATUS Status;\r
123\r
124 mRT = SystemTable->RuntimeServices;\r
125\r
878ddf1f 126 //\r
127 // Register SetVirtualAddressMap () notify function\r
128 //\r
f1cd55fe 129 if (_gDriverSetVirtualAddressMapEvent[0] != NULL) {\r
130 Status = gBS->CreateEvent (\r
131 EFI_EVENT_SIGNAL_VIRTUAL_ADDRESS_CHANGE,\r
132 EFI_TPL_NOTIFY,\r
133 RuntimeLibVirtualNotifyEvent,\r
134 NULL,\r
135 &mEfiVirtualNotifyEvent\r
136 );\r
137 ASSERT_EFI_ERROR (Status);\r
138 }\r
878ddf1f 139\r
140 return EFI_SUCCESS;\r
141}\r
142\r
143EFI_STATUS\r
a5e465a7 144EFIAPI\r
878ddf1f 145RuntimeDriverLibDeconstruct (\r
146 VOID\r
147 )\r
148/*++\r
149\r
150Routine Description:\r
151\r
152 This routine will free some resources which have been allocated in\r
153 EfiInitializeRuntimeDriverLib(). If a runtime driver exits with an error, \r
154 it must call this routine to free the allocated resource before the exiting.\r
155\r
156Arguments:\r
157\r
158 None\r
159\r
160Returns: \r
161\r
162 EFI_SUCCESS - Shotdown the Runtime Driver Lib successfully\r
163 EFI_UNSUPPORTED - Runtime Driver lib was not initialized at all\r
164\r
165--*/\r
166{\r
167 EFI_STATUS Status;\r
168\r
878ddf1f 169 //\r
170 // Close SetVirtualAddressMap () notify function\r
171 //\r
f1cd55fe 172 if (_gDriverSetVirtualAddressMapEvent[0] != NULL) {\r
173 Status = gBS->CloseEvent (mEfiVirtualNotifyEvent);\r
174 ASSERT_EFI_ERROR (Status);\r
175 }\r
878ddf1f 176\r
177 return EFI_SUCCESS;\r
178}\r
179\r
180BOOLEAN\r
e8a3bee0 181EFIAPI\r
878ddf1f 182EfiAtRuntime (\r
183 VOID\r
184 )\r
185/*++\r
186\r
187Routine Description:\r
188 Return TRUE if ExitBootService () has been called\r
189\r
190Arguments:\r
191 NONE\r
192\r
193Returns: \r
194 TRUE - If ExitBootService () has been called\r
195\r
196--*/\r
197{\r
198 EFI_GUID Guid = EFI_EXTENDED_SAL_VIRTUAL_SERVICES_PROTOCOL_GUID;\r
199 SAL_RETURN_REGS ReturnReg;\r
200\r
201 ReturnReg = EfiCallEsalService (&Guid, IsEfiRuntime, 0, 0, 0, 0, 0, 0, 0);\r
202\r
203 return (BOOLEAN) (ReturnReg.r9 == 1);\r
204}\r
205\r
206BOOLEAN\r
e8a3bee0 207EFIAPI\r
878ddf1f 208EfiGoneVirtual (\r
209 VOID\r
210 )\r
211/*++\r
212\r
213Routine Description:\r
214 Return TRUE if SetVirtualAddressMap () has been called\r
215\r
216Arguments:\r
217 NONE\r
218\r
219Returns: \r
220 TRUE - If SetVirtualAddressMap () has been called\r
221\r
222--*/\r
223{\r
224 EFI_GUID Guid = EFI_EXTENDED_SAL_VIRTUAL_SERVICES_PROTOCOL_GUID;\r
225 SAL_RETURN_REGS ReturnReg;\r
226\r
227 ReturnReg = EfiCallEsalService (&Guid, IsVirtual, 0, 0, 0, 0, 0, 0, 0);\r
228\r
229 return (BOOLEAN) (ReturnReg.r9 == 1);\r
230}\r
e8a3bee0 231\r