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1 | /** @file\r |
2 | \r | |
3 | Copyright (c) 2013-2014, ARM Ltd. All rights reserved.<BR>\r | |
4 | \r | |
5 | 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 | |
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 "AndroidFastbootApp.h"\r | |
16 | \r | |
17 | #include <Protocol/DevicePath.h>\r | |
18 | \r | |
19 | #include <Library/BdsLib.h>\r | |
20 | #include <Library/DevicePathLib.h>\r | |
21 | \r | |
22 | #include <Guid/ArmGlobalVariableHob.h>\r | |
23 | \r | |
24 | // Device Path representing an image in memory\r | |
25 | #pragma pack(1)\r | |
26 | typedef struct {\r | |
27 | MEMMAP_DEVICE_PATH Node1;\r | |
28 | EFI_DEVICE_PATH_PROTOCOL End;\r | |
29 | } MEMORY_DEVICE_PATH;\r | |
30 | #pragma pack()\r | |
31 | \r | |
32 | STATIC CONST MEMORY_DEVICE_PATH MemoryDevicePathTemplate =\r | |
33 | {\r | |
34 | {\r | |
35 | {\r | |
36 | HARDWARE_DEVICE_PATH,\r | |
37 | HW_MEMMAP_DP,\r | |
38 | {\r | |
39 | (UINT8)(sizeof (MEMMAP_DEVICE_PATH)),\r | |
40 | (UINT8)((sizeof (MEMMAP_DEVICE_PATH)) >> 8),\r | |
41 | },\r | |
42 | }, // Header\r | |
43 | 0, // StartingAddress (set at runtime)\r | |
44 | 0 // EndingAddress (set at runtime)\r | |
45 | }, // Node1\r | |
46 | {\r | |
47 | END_DEVICE_PATH_TYPE,\r | |
48 | END_ENTIRE_DEVICE_PATH_SUBTYPE,\r | |
49 | sizeof (EFI_DEVICE_PATH_PROTOCOL),\r | |
50 | 0\r | |
51 | } // End\r | |
52 | };\r | |
53 | \r | |
54 | EFI_STATUS\r | |
55 | BootAndroidBootImg (\r | |
56 | IN UINTN BufferSize,\r | |
57 | IN VOID *Buffer\r | |
58 | )\r | |
59 | {\r | |
60 | EFI_DEVICE_PATH_PROTOCOL *FdtDevicePath;\r | |
61 | EFI_STATUS Status;\r | |
62 | CHAR8 KernelArgs[BOOTIMG_KERNEL_ARGS_SIZE];\r | |
63 | VOID *Kernel;\r | |
64 | UINTN KernelSize;\r | |
65 | VOID *Ramdisk;\r | |
66 | UINTN RamdiskSize;\r | |
67 | MEMORY_DEVICE_PATH KernelDevicePath;\r | |
68 | MEMORY_DEVICE_PATH* RamdiskDevicePath;\r | |
69 | \r | |
70 | Status = ParseAndroidBootImg (\r | |
71 | Buffer,\r | |
72 | &Kernel,\r | |
73 | &KernelSize,\r | |
74 | &Ramdisk,\r | |
75 | &RamdiskSize,\r | |
76 | KernelArgs\r | |
77 | );\r | |
78 | if (EFI_ERROR (Status)) {\r | |
79 | return Status;\r | |
80 | }\r | |
81 | \r | |
82 | KernelDevicePath = MemoryDevicePathTemplate;\r | |
83 | \r | |
84 | // Have to cast to UINTN before casting to EFI_PHYSICAL_ADDRESS in order to\r | |
85 | // appease GCC.\r | |
86 | KernelDevicePath.Node1.StartingAddress = (EFI_PHYSICAL_ADDRESS)(UINTN) Kernel;\r | |
87 | KernelDevicePath.Node1.EndingAddress = (EFI_PHYSICAL_ADDRESS)(UINTN) Kernel + KernelSize;\r | |
88 | \r | |
89 | RamdiskDevicePath = NULL;\r | |
90 | if (RamdiskSize != 0) {\r | |
91 | RamdiskDevicePath = (MEMORY_DEVICE_PATH*)DuplicateDevicePath ((EFI_DEVICE_PATH_PROTOCOL*) &MemoryDevicePathTemplate);\r | |
92 | \r | |
93 | RamdiskDevicePath->Node1.StartingAddress = (EFI_PHYSICAL_ADDRESS)(UINTN) Ramdisk;\r | |
94 | RamdiskDevicePath->Node1.EndingAddress = ((EFI_PHYSICAL_ADDRESS)(UINTN) Ramdisk) + RamdiskSize;\r | |
95 | }\r | |
96 | \r | |
97 | // Get the default FDT device path\r | |
98 | Status = GetEnvironmentVariable ((CHAR16 *)L"Fdt", &gArmGlobalVariableGuid,\r | |
99 | NULL, 0, (VOID **)&FdtDevicePath);\r | |
100 | if (Status == EFI_NOT_FOUND) {\r | |
101 | DEBUG ((EFI_D_ERROR, "Error: Please update FDT path in boot manager\n"));\r | |
102 | return EFI_DEVICE_ERROR;\r | |
103 | }\r | |
104 | ASSERT_EFI_ERROR (Status);\r | |
105 | \r | |
106 | Status = BdsBootLinuxFdt (\r | |
107 | (EFI_DEVICE_PATH_PROTOCOL *) &KernelDevicePath,\r | |
108 | (EFI_DEVICE_PATH_PROTOCOL *) RamdiskDevicePath,\r | |
109 | KernelArgs,\r | |
110 | FdtDevicePath\r | |
111 | );\r | |
112 | if (EFI_ERROR (Status)) {\r | |
113 | DEBUG ((EFI_D_ERROR, "Couldn't Boot Linux: %d\n", Status));\r | |
114 | return EFI_DEVICE_ERROR;\r | |
115 | }\r | |
116 | \r | |
117 | if (RamdiskDevicePath) {\r | |
118 | FreePool (RamdiskDevicePath);\r | |
119 | }\r | |
120 | \r | |
121 | // If we got here we do a confused face because BootLinuxFdt returned,\r | |
122 | // reporting success.\r | |
123 | DEBUG ((EFI_D_ERROR, "WARNING: BdsBootLinuxFdt returned EFI_SUCCESS.\n"));\r | |
124 | return EFI_SUCCESS;\r | |
125 | }\r |