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
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
|
/** @file
Copyright (c) 2013-2014, ARM Ltd. All rights reserved.<BR>
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 "AndroidFastbootApp.h"
#include <Protocol/DevicePath.h>
#include <Library/BdsLib.h>
#include <Library/DevicePathLib.h>
#include <Guid/ArmGlobalVariableHob.h>
// Device Path representing an image in memory
#pragma pack(1)
typedef struct {
MEMMAP_DEVICE_PATH Node1;
EFI_DEVICE_PATH_PROTOCOL End;
} MEMORY_DEVICE_PATH;
#pragma pack()
STATIC CONST MEMORY_DEVICE_PATH MemoryDevicePathTemplate =
{
{
{
HARDWARE_DEVICE_PATH,
HW_MEMMAP_DP,
{
(UINT8)(sizeof (MEMMAP_DEVICE_PATH)),
(UINT8)((sizeof (MEMMAP_DEVICE_PATH)) >> 8),
},
}, // Header
0, // StartingAddress (set at runtime)
0 // EndingAddress (set at runtime)
}, // Node1
{
END_DEVICE_PATH_TYPE,
END_ENTIRE_DEVICE_PATH_SUBTYPE,
sizeof (EFI_DEVICE_PATH_PROTOCOL),
0
} // End
};
EFI_STATUS
BootAndroidBootImg (
IN UINTN BufferSize,
IN VOID *Buffer
)
{
EFI_DEVICE_PATH_PROTOCOL *FdtDevicePath;
EFI_STATUS Status;
CHAR8 KernelArgs[BOOTIMG_KERNEL_ARGS_SIZE];
VOID *Kernel;
UINTN KernelSize;
VOID *Ramdisk;
UINTN RamdiskSize;
MEMORY_DEVICE_PATH KernelDevicePath;
MEMORY_DEVICE_PATH* RamdiskDevicePath;
Status = ParseAndroidBootImg (
Buffer,
&Kernel,
&KernelSize,
&Ramdisk,
&RamdiskSize,
KernelArgs
);
if (EFI_ERROR (Status)) {
return Status;
}
KernelDevicePath = MemoryDevicePathTemplate;
// Have to cast to UINTN before casting to EFI_PHYSICAL_ADDRESS in order to
// appease GCC.
KernelDevicePath.Node1.StartingAddress = (EFI_PHYSICAL_ADDRESS)(UINTN) Kernel;
KernelDevicePath.Node1.EndingAddress = (EFI_PHYSICAL_ADDRESS)(UINTN) Kernel + KernelSize;
RamdiskDevicePath = NULL;
if (RamdiskSize != 0) {
RamdiskDevicePath = (MEMORY_DEVICE_PATH*)DuplicateDevicePath ((EFI_DEVICE_PATH_PROTOCOL*) &MemoryDevicePathTemplate);
RamdiskDevicePath->Node1.StartingAddress = (EFI_PHYSICAL_ADDRESS)(UINTN) Ramdisk;
RamdiskDevicePath->Node1.EndingAddress = ((EFI_PHYSICAL_ADDRESS)(UINTN) Ramdisk) + RamdiskSize;
}
// Get the default FDT device path
Status = GetEnvironmentVariable ((CHAR16 *)L"Fdt", &gArmGlobalVariableGuid,
NULL, 0, (VOID **)&FdtDevicePath);
if (Status == EFI_NOT_FOUND) {
DEBUG ((EFI_D_ERROR, "Error: Please update FDT path in boot manager\n"));
return EFI_DEVICE_ERROR;
}
ASSERT_EFI_ERROR (Status);
Status = BdsBootLinuxFdt (
(EFI_DEVICE_PATH_PROTOCOL *) &KernelDevicePath,
(EFI_DEVICE_PATH_PROTOCOL *) RamdiskDevicePath,
KernelArgs,
FdtDevicePath
);
if (EFI_ERROR (Status)) {
DEBUG ((EFI_D_ERROR, "Couldn't Boot Linux: %d\n", Status));
return EFI_DEVICE_ERROR;
}
if (RamdiskDevicePath) {
FreePool (RamdiskDevicePath);
}
// If we got here we do a confused face because BootLinuxFdt returned,
// reporting success.
DEBUG ((EFI_D_ERROR, "WARNING: BdsBootLinuxFdt returned EFI_SUCCESS.\n"));
return EFI_SUCCESS;
}
|
