blob: dddaa3d670611cc6e82426397c8dfab6007ec877 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
/** @file
*
* Copyright (c) 2011, ARM Limited. All rights reserved.
*
* This program and the accompanying materials
* are licensed and made available under the terms and conditions of the BSD License
* which accompanies this distribution. The full text of the license may be found at
* http://opensource.org/licenses/bsd-license.php
*
* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
*
**/
#include "BdsInternal.h"
EFI_STATUS BdsLoadFileFromMemMap (
IN EFI_HANDLE Handle,
IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,
OUT BDS_FILE *File
) {
EFI_DEVICE_PATH_PROTOCOL *LastDevicePath;
if ((File == NULL) || (DevicePath == NULL) || (IsDevicePathEnd (DevicePath))) {
return EFI_INVALID_PARAMETER;
}
// Check if the last node of the device Path is a Memory Map Device Node
LastDevicePath = DevicePath;
DevicePath = NextDevicePathNode(DevicePath);
while (!IsDevicePathEnd (DevicePath)) {
LastDevicePath = DevicePath;
DevicePath = NextDevicePathNode(DevicePath);
}
if ((LastDevicePath->Type != HARDWARE_DEVICE_PATH) || (LastDevicePath->SubType != HW_MEMMAP_DP)) {
return EFI_UNSUPPORTED;
}
File->Type = BDS_FILETYPE_MEM;
File->File.Mem.MemoryType = ((MEMMAP_DEVICE_PATH*)LastDevicePath)->MemoryType;
File->File.Mem.StartingAddress = ((MEMMAP_DEVICE_PATH*)LastDevicePath)->StartingAddress;
File->File.Mem.EndingAddress = ((MEMMAP_DEVICE_PATH*)LastDevicePath)->EndingAddress;
return EFI_SUCCESS;
}
EFI_STATUS BdsCopyRawFileToRuntimeMemoryMemMap(
IN BDS_MEM_FILE *MemFile,
OUT VOID **FileImage,
OUT UINTN *FileSize
) {
UINTN Size;
VOID* Image;
Size = MemFile->EndingAddress - MemFile->StartingAddress;
if ((Size == 0) || (FileImage == NULL)) {
return EFI_INVALID_PARAMETER;
}
if (FileSize != NULL) {
*FileSize = Size;
}
Image = AllocateRuntimePool(Size);
if (Image == NULL) {
return EFI_OUT_OF_RESOURCES;
}
*FileImage = CopyMem(Image,(CONST VOID*)(UINTN)MemFile->StartingAddress,Size);
return EFI_SUCCESS;
}
|
