Replace the FlashMapHob with PCD defined in FDF on Nt32 platform. Currently, the...
[mirror_edk2.git] / Nt32Pkg / WinNtFirmwareVolumePei / WinntFwh.c
CommitLineData
56a71b55 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 WinNtFwh.c\r
14 \r
15Abstract:\r
16 PEIM to abstract construction of firmware volume in a Windows NT environment.\r
17\r
18Revision History\r
19\r
20--*/\r
21\r
22//\r
23// The package level header files this module uses\r
24//\r
25#include <PiPei.h>\r
26#include <WinNtPeim.h>\r
27//\r
28// The protocols, PPI and GUID defintions for this module\r
29//\r
30#include <Ppi/NtFwh.h>\r
31//\r
32// The Library classes this module consumes\r
33//\r
34#include <Library/DebugLib.h>\r
35#include <Library/PeimEntryPoint.h>\r
36#include <Library/HobLib.h>\r
6d3aa33e 37#include <Library/PcdLib.h>\r
56a71b55 38\r
39EFI_STATUS\r
40EFIAPI\r
41PeimInitializeWinNtFwh (\r
42 IN EFI_FFS_FILE_HEADER *FfsHeader,\r
43 IN EFI_PEI_SERVICES **PeiServices\r
44 )\r
45/*++\r
46\r
47Routine Description:\r
48 Perform a call-back into the SEC simulator to get address of the Firmware Hub\r
49\r
50Arguments:\r
51 FfsHeader - Ffs Header availible to every PEIM\r
52 PeiServices - General purpose services available to every PEIM.\r
53 \r
54Returns:\r
55 None\r
56\r
57--*/\r
58{\r
59 EFI_STATUS Status;\r
60 EFI_PEI_PPI_DESCRIPTOR *PpiDescriptor;\r
61 NT_FWH_PPI *FwhPpi;\r
62 EFI_PHYSICAL_ADDRESS FdBase;\r
63 EFI_FIRMWARE_VOLUME_HEADER *FvHeader;\r
64 UINT64 FdSize;\r
65 UINTN Index;\r
66\r
67 DEBUG ((EFI_D_ERROR, "NT 32 Firmware Volume PEIM Loaded\n"));\r
68\r
69 //\r
70 // Get the Fwh Information PPI\r
71 //\r
72 Status = (**PeiServices).LocatePpi (\r
73 PeiServices,\r
74 &gNtFwhPpiGuid, // GUID\r
75 0, // INSTANCE\r
76 &PpiDescriptor, // EFI_PEI_PPI_DESCRIPTOR\r
77 &FwhPpi // PPI\r
78 );\r
79 ASSERT_EFI_ERROR (Status);\r
80\r
81 Index = 0;\r
82 do {\r
83 //\r
84 // Get information about all the FD's in the system\r
85 //\r
86 Status = FwhPpi->NtFwh (Index, &FdBase, &FdSize);\r
87 if (!EFI_ERROR (Status)) {\r
88 //\r
89 // Assume the FD starts with an FV header\r
90 //\r
91 FvHeader = (EFI_FIRMWARE_VOLUME_HEADER *) (UINTN) FdBase;\r
92\r
93 //\r
94 // Make an FV Hob for the first FV in the FD\r
95 //\r
96 BuildFvHob (FdBase, FvHeader->FvLength);\r
97\r
98 if (Index == 0) {\r
99 //\r
100 // Assume the first FD was produced by the NT32.DSC\r
101 // All these strange offests are needed to keep in\r
102 // sync with the FlashMap and NT32.dsc file\r
103 //\r
104 BuildResourceDescriptorHob (\r
105 EFI_RESOURCE_FIRMWARE_DEVICE,\r
106 (EFI_RESOURCE_ATTRIBUTE_PRESENT | EFI_RESOURCE_ATTRIBUTE_INITIALIZED | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE),\r
107 FdBase,\r
6d3aa33e 108 ( \r
109 FvHeader->FvLength + \r
110 PcdGet32 (PcdFlashNvStorageVariableSize) +\r
111 PcdGet32 (PcdFlashNvStorageFtwWorkingSize) +\r
112 PcdGet32 (PcdFlashNvStorageFtwSpareSize) +\r
113 PcdGet32 (PcdWinNtFlashNvStorageEventLogSize)\r
114 )\r
56a71b55 115 );\r
56a71b55 116 //\r
117 // Hard code the address of the spare block and variable services.\r
118 // Assume it's a hard coded offset from FV0 in FD0.\r
119 //\r
6d3aa33e 120 FdBase = FdBase + PcdGet32 (PcdWinNtFlashNvStorageVariableBase);\r
121 FdSize = \r
122 PcdGet32 (PcdFlashNvStorageVariableSize) +\r
123 PcdGet32 (PcdFlashNvStorageFtwWorkingSize) +\r
124 PcdGet32 (PcdFlashNvStorageFtwSpareSize) +\r
125 PcdGet32 (PcdWinNtFlashNvStorageEventLogSize);\r
56a71b55 126\r
127 BuildFvHob (FdBase, FdSize);\r
128 } else {\r
129 //\r
130 // For other FD's just map them in.\r
131 //\r
132 BuildResourceDescriptorHob (\r
133 EFI_RESOURCE_FIRMWARE_DEVICE,\r
134 (EFI_RESOURCE_ATTRIBUTE_PRESENT | EFI_RESOURCE_ATTRIBUTE_INITIALIZED | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE),\r
135 FdBase,\r
136 FdSize\r
137 );\r
138 }\r
139 }\r
140\r
141 Index++;\r
142 } while (!EFI_ERROR (Status));\r
143\r
144 return Status;\r
145}\r