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1 | /** @file\r |
2 | HII Library implementation that uses DXE protocols and services.\r |
3 | \r |
4 | Copyright (c) 2006, Intel Corporation<BR>\r |
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5 | All rights reserved. This program and the accompanying materials\r |
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 |
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9 | \r |
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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 |
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12 | \r |
13 | Module Name: HiiLib.c\r |
14 | \r |
15 | **/\r |
16 | \r |
17 | //\r |
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18 | // The package level header files this module uses\r |
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19 | //\r |
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20 | #include <FrameworkDxe.h>\r |
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21 | //\r |
22 | // The protocols, PPI and GUID defintions for this module\r |
23 | //\r |
24 | //\r |
25 | // The Library classes this module consumes\r |
26 | //\r |
27 | #include <Library/FrameworkHiiLib.h>\r |
28 | #include <Library/DebugLib.h>\r |
29 | #include <Library/MemoryAllocationLib.h>\r |
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30 | \r |
31 | /**\r |
32 | This function allocates pool for an EFI_HII_PACKAGES structure\r |
33 | with enough space for the variable argument list of package pointers.\r |
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34 | The allocated structure is initialized using NumberOfPackages, Guid,\r |
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35 | and the variable length argument list of package pointers.\r |
36 | \r |
37 | @param NumberOfPackages The number of HII packages to prepare.\r |
38 | @param Guid Package GUID.\r |
39 | \r |
40 | @return The allocated and initialized packages.\r |
41 | \r |
42 | **/\r |
43 | EFI_HII_PACKAGES *\r |
44 | EFIAPI\r |
45 | PreparePackages (\r |
46 | IN UINTN NumberOfPackages,\r |
47 | IN CONST EFI_GUID *Guid OPTIONAL,\r |
48 | ...\r |
49 | )\r |
50 | {\r |
51 | VA_LIST Args;\r |
52 | EFI_HII_PACKAGES *HiiPackages;\r |
53 | VOID **Package;\r |
54 | UINTN Index;\r |
55 | \r |
56 | ASSERT (NumberOfPackages > 0);\r |
57 | \r |
58 | HiiPackages = AllocateZeroPool (sizeof (EFI_HII_PACKAGES) + NumberOfPackages * sizeof (VOID *));\r |
59 | ASSERT (HiiPackages != NULL);\r |
60 | \r |
61 | HiiPackages->GuidId = (EFI_GUID *) Guid;\r |
62 | HiiPackages->NumberOfPackages = NumberOfPackages;\r |
63 | Package = (VOID **) (((UINT8 *) HiiPackages) + sizeof (EFI_HII_PACKAGES));\r |
64 | \r |
65 | VA_START (Args, Guid);\r |
66 | \r |
67 | for (Index = 0; Index < NumberOfPackages; Index++) {\r |
68 | *Package = VA_ARG (Args, VOID *);\r |
69 | Package++;\r |
70 | }\r |
71 | \r |
72 | VA_END (Args);\r |
73 | \r |
74 | return HiiPackages;\r |
75 | \r |
76 | }\r |