]> git.proxmox.com Git - mirror_edk2.git/blame - EdkModulePkg/Core/Pei/Hob/Hob.c
Added target Wizard which just relies on the SurfaceArea. Also fixed the echo messages.
[mirror_edk2.git] / EdkModulePkg / Core / Pei / Hob / Hob.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 Hob.c\r
15\r
16Abstract:\r
17\r
18 EFI PEI Core HOB services\r
19\r
20--*/\r
21\r
22#include <PeiMain.h>\r
23\r
24EFI_STATUS\r
25EFIAPI\r
26PeiGetHobList (\r
27 IN EFI_PEI_SERVICES **PeiServices,\r
28 IN OUT VOID **HobList\r
29 )\r
30/*++\r
31\r
32Routine Description:\r
33\r
34 Gets the pointer to the HOB List.\r
35\r
36Arguments:\r
37\r
38 PeiServices - The PEI core services table.\r
39 HobList - Pointer to the HOB List.\r
40\r
41Returns:\r
42\r
43 EFI_SUCCESS - Get the pointer of HOB List\r
44 EFI_NOT_AVAILABLE_YET - the HOB List is not yet published\r
45 EFI_INVALID_PARAMETER - HobList is NULL (in debug mode)\r
46 \r
47--*/\r
48{\r
49 PEI_CORE_INSTANCE *PrivateData;\r
50\r
51 \r
52 //\r
53 // Only check this parameter in debug mode\r
54 //\r
55 \r
2ce31132 56 DEBUG_CODE_BEGIN (); \r
878ddf1f 57 if (HobList == NULL) {\r
58 return EFI_INVALID_PARAMETER;\r
59 }\r
2ce31132 60 DEBUG_CODE_END ();\r
878ddf1f 61 \r
62 PrivateData = PEI_CORE_INSTANCE_FROM_PS_THIS(PeiServices);\r
63\r
add13dc2 64 *HobList = PrivateData->HobList.Raw;\r
878ddf1f 65\r
66\r
67 return EFI_SUCCESS; \r
68}\r
69\r
70\r
71EFI_STATUS\r
72EFIAPI\r
73PeiCreateHob (\r
74 IN EFI_PEI_SERVICES **PeiServices,\r
75 IN UINT16 Type,\r
76 IN UINT16 Length,\r
77 IN OUT VOID **Hob\r
78 )\r
79/*++\r
80\r
81Routine Description:\r
82\r
83 Add a new HOB to the HOB List.\r
84\r
85Arguments:\r
86\r
87 PeiServices - The PEI core services table.\r
88 Type - Type of the new HOB.\r
89 Length - Length of the new HOB to allocate.\r
90 Hob - Pointer to the new HOB.\r
91\r
92Returns:\r
93\r
94 Status - EFI_SUCCESS\r
95 - EFI_INVALID_PARAMETER if Hob is NULL\r
96 - EFI_NOT_AVAILABLE_YET if HobList is still not available.\r
97 - EFI_OUT_OF_RESOURCES if there is no more memory to grow the Hoblist.\r
98 \r
99--*/\r
100{\r
101 EFI_STATUS Status;\r
102 EFI_HOB_HANDOFF_INFO_TABLE *HandOffHob;\r
103 EFI_HOB_GENERIC_HEADER *HobEnd;\r
104 EFI_PHYSICAL_ADDRESS FreeMemory;\r
105\r
106\r
107 Status = PeiGetHobList (PeiServices, Hob);\r
108 if (EFI_ERROR(Status)) {\r
109 return Status;\r
110 }\r
111\r
112 HandOffHob = *Hob;\r
113\r
add13dc2 114 Length = (UINT16)((Length + 0x7) & (~0x7));\r
878ddf1f 115\r
116 FreeMemory = HandOffHob->EfiFreeMemoryTop -\r
117 HandOffHob->EfiFreeMemoryBottom;\r
118\r
119 if (FreeMemory < Length) {\r
120 return EFI_OUT_OF_RESOURCES;\r
121 }\r
122 \r
123 *Hob = (VOID*) (UINTN) HandOffHob->EfiEndOfHobList;\r
add13dc2 124 ((EFI_HOB_GENERIC_HEADER*) *Hob)->HobType = Type;\r
878ddf1f 125 ((EFI_HOB_GENERIC_HEADER*) *Hob)->HobLength = Length;\r
add13dc2 126 ((EFI_HOB_GENERIC_HEADER*) *Hob)->Reserved = 0;\r
878ddf1f 127\r
128 HobEnd = (EFI_HOB_GENERIC_HEADER*) ((UINTN) *Hob + Length);\r
129 HandOffHob->EfiEndOfHobList = (EFI_PHYSICAL_ADDRESS) (UINTN) HobEnd;\r
130 \r
131 HobEnd->HobType = EFI_HOB_TYPE_END_OF_HOB_LIST;\r
132 HobEnd->HobLength = sizeof(EFI_HOB_GENERIC_HEADER);\r
133 HobEnd->Reserved = 0;\r
134 HobEnd++;\r
135 HandOffHob->EfiFreeMemoryBottom = (EFI_PHYSICAL_ADDRESS) (UINTN) HobEnd;\r
136\r
137\r
138 return EFI_SUCCESS; \r
139}\r
140\r
141\r
142EFI_STATUS\r
143PeiCoreBuildHobHandoffInfoTable (\r
144 IN EFI_BOOT_MODE BootMode,\r
145 IN EFI_PHYSICAL_ADDRESS MemoryBegin,\r
146 IN UINT64 MemoryLength\r
147 )\r
148/*++\r
149\r
150Routine Description:\r
151\r
152 Builds a Handoff Information Table HOB\r
153\r
154Arguments:\r
155\r
156 BootMode - Current Bootmode\r
157 MemoryBegin - Start Memory Address.\r
158 MemoryLength - Length of Memory.\r
159\r
160Returns:\r
161\r
162 EFI_SUCCESS\r
163\r
164--*/\r
165{\r
166 EFI_HOB_HANDOFF_INFO_TABLE *Hob;\r
add13dc2 167 EFI_HOB_GENERIC_HEADER *HobEnd;\r
878ddf1f 168\r
add13dc2 169 Hob = (VOID *)(UINTN)MemoryBegin;\r
878ddf1f 170 HobEnd = (EFI_HOB_GENERIC_HEADER*) (Hob+1);\r
add13dc2 171 Hob->Header.HobType = EFI_HOB_TYPE_HANDOFF;\r
172 Hob->Header.HobLength = sizeof(EFI_HOB_HANDOFF_INFO_TABLE);\r
173 Hob->Header.Reserved = 0;\r
878ddf1f 174 \r
175 HobEnd->HobType = EFI_HOB_TYPE_END_OF_HOB_LIST;\r
176 HobEnd->HobLength = sizeof(EFI_HOB_GENERIC_HEADER);\r
177 HobEnd->Reserved = 0;\r
178\r
179 Hob->Version = EFI_HOB_HANDOFF_TABLE_VERSION;\r
180 Hob->BootMode = BootMode;\r
181 \r
182 Hob->EfiMemoryTop = MemoryBegin + MemoryLength;\r
183 Hob->EfiMemoryBottom = MemoryBegin;\r
184 Hob->EfiFreeMemoryTop = MemoryBegin + MemoryLength;\r
185 Hob->EfiFreeMemoryBottom = (EFI_PHYSICAL_ADDRESS) (UINTN) (HobEnd+1);\r
186 Hob->EfiEndOfHobList = (EFI_PHYSICAL_ADDRESS) (UINTN) HobEnd;\r
187\r
188 return EFI_SUCCESS;\r
189}\r