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9060e3ec | 1 | /** @file\r |
2 | Set up ROM Table for PCI Bus module.\r | |
3 | \r | |
221c8fd5 | 4 | Copyright (c) 2006 - 2017, Intel Corporation. All rights reserved.<BR>\r |
cd5ebaa0 | 5 | This program and the accompanying materials\r |
9060e3ec | 6 | are licensed and made available under the terms and conditions of the BSD License\r |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | \r | |
13 | **/\r | |
14 | \r | |
15 | #include "PciBus.h"\r | |
16 | \r | |
17 | //\r | |
18 | // PCI ROM image information\r | |
19 | //\r | |
20 | typedef struct {\r | |
21 | EFI_HANDLE ImageHandle;\r | |
22 | UINTN Seg;\r | |
23 | UINT8 Bus;\r | |
24 | UINT8 Dev;\r | |
25 | UINT8 Func;\r | |
221c8fd5 RN |
26 | VOID *RomImage;\r |
27 | UINT64 RomSize;\r | |
28 | } PCI_ROM_IMAGE;\r | |
9060e3ec | 29 | \r |
221c8fd5 RN |
30 | UINTN mNumberOfPciRomImages = 0;\r |
31 | UINTN mMaxNumberOfPciRomImages = 0;\r | |
32 | PCI_ROM_IMAGE *mRomImageTable = NULL;\r | |
9060e3ec | 33 | \r |
34 | /**\r | |
35 | Add the Rom Image to internal database for later PCI light enumeration.\r | |
36 | \r | |
37 | @param ImageHandle Option Rom image handle.\r | |
38 | @param Seg Segment of PCI space.\r | |
39 | @param Bus Bus NO of PCI space.\r | |
40 | @param Dev Dev NO of PCI space.\r | |
41 | @param Func Func NO of PCI space.\r | |
221c8fd5 RN |
42 | @param RomImage Option Rom buffer.\r |
43 | @param RomSize Size of Option Rom buffer.\r | |
9060e3ec | 44 | **/\r |
45 | VOID\r | |
46 | PciRomAddImageMapping (\r | |
47 | IN EFI_HANDLE ImageHandle,\r | |
48 | IN UINTN Seg,\r | |
49 | IN UINT8 Bus,\r | |
50 | IN UINT8 Dev,\r | |
51 | IN UINT8 Func,\r | |
221c8fd5 RN |
52 | IN VOID *RomImage,\r |
53 | IN UINT64 RomSize\r | |
9060e3ec | 54 | )\r |
55 | {\r | |
221c8fd5 | 56 | PCI_ROM_IMAGE *NewTable;\r |
9060e3ec | 57 | \r |
221c8fd5 | 58 | if (mNumberOfPciRomImages == mMaxNumberOfPciRomImages) {\r |
9060e3ec | 59 | \r |
221c8fd5 RN |
60 | NewTable = ReallocatePool (\r |
61 | mMaxNumberOfPciRomImages * sizeof (PCI_ROM_IMAGE),\r | |
62 | (mMaxNumberOfPciRomImages + 0x20) * sizeof (PCI_ROM_IMAGE),\r | |
63 | mRomImageTable\r | |
64 | );\r | |
65 | if (NewTable == NULL) {\r | |
9060e3ec | 66 | return ;\r |
67 | }\r | |
68 | \r | |
221c8fd5 RN |
69 | mRomImageTable = NewTable;\r |
70 | mMaxNumberOfPciRomImages += 0x20;\r | |
9060e3ec | 71 | }\r |
72 | \r | |
73 | mRomImageTable[mNumberOfPciRomImages].ImageHandle = ImageHandle;\r | |
74 | mRomImageTable[mNumberOfPciRomImages].Seg = Seg;\r | |
75 | mRomImageTable[mNumberOfPciRomImages].Bus = Bus;\r | |
76 | mRomImageTable[mNumberOfPciRomImages].Dev = Dev;\r | |
77 | mRomImageTable[mNumberOfPciRomImages].Func = Func;\r | |
221c8fd5 RN |
78 | mRomImageTable[mNumberOfPciRomImages].RomImage = RomImage;\r |
79 | mRomImageTable[mNumberOfPciRomImages].RomSize = RomSize;\r | |
9060e3ec | 80 | mNumberOfPciRomImages++;\r |
81 | }\r | |
82 | \r | |
83 | /**\r | |
84 | Get Option rom driver's mapping for PCI device.\r | |
85 | \r | |
86 | @param PciIoDevice Device instance.\r | |
87 | \r | |
88 | @retval TRUE Found Image mapping.\r | |
89 | @retval FALSE Cannot found image mapping.\r | |
90 | \r | |
91 | **/\r | |
92 | BOOLEAN\r | |
93 | PciRomGetImageMapping (\r | |
94 | IN PCI_IO_DEVICE *PciIoDevice\r | |
95 | )\r | |
96 | {\r | |
97 | EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *PciRootBridgeIo;\r | |
98 | UINTN Index;\r | |
99 | BOOLEAN Found;\r | |
100 | \r | |
101 | PciRootBridgeIo = PciIoDevice->PciRootBridgeIo;\r | |
102 | Found = FALSE;\r | |
103 | \r | |
104 | for (Index = 0; Index < mNumberOfPciRomImages; Index++) {\r | |
105 | if (mRomImageTable[Index].Seg == PciRootBridgeIo->SegmentNumber &&\r | |
106 | mRomImageTable[Index].Bus == PciIoDevice->BusNumber &&\r | |
107 | mRomImageTable[Index].Dev == PciIoDevice->DeviceNumber &&\r | |
108 | mRomImageTable[Index].Func == PciIoDevice->FunctionNumber ) {\r | |
109 | Found = TRUE;\r | |
110 | \r | |
111 | if (mRomImageTable[Index].ImageHandle != NULL) {\r | |
112 | AddDriver (PciIoDevice, mRomImageTable[Index].ImageHandle);\r | |
113 | } else {\r | |
221c8fd5 RN |
114 | PciIoDevice->PciIo.RomImage = mRomImageTable[Index].RomImage;\r |
115 | PciIoDevice->PciIo.RomSize = mRomImageTable[Index].RomSize;\r | |
9060e3ec | 116 | }\r |
117 | }\r | |
118 | }\r | |
119 | \r | |
120 | return Found;\r | |
121 | }\r |