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f6c6c020 | 1 | /** @file\r |
2 | Load/boot UEFI Linux.\r | |
3 | \r | |
c61a56f2 | 4 | Copyright (c) 2011 - 2013, Intel Corporation. All rights reserved.<BR>\r |
f6c6c020 | 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 | #ifndef __LOAD_LINUX_LIB__\r | |
16 | #define __LOAD_LINUX_LIB__\r | |
17 | \r | |
18 | \r | |
19 | /**\r | |
20 | Verifies that the kernel setup image is valid and supported.\r | |
21 | The kernel setup image should be checked before using other library\r | |
22 | routines which take the kernel setup as an input.\r | |
23 | \r | |
24 | @param[in] KernelSetup - The kernel setup image\r | |
25 | @param[in] KernelSetupSize - The kernel setup size\r | |
26 | \r | |
27 | @retval EFI_SUCCESS - The Linux kernel setup is valid and supported\r | |
28 | @retval EFI_INVALID_PARAMETER - KernelSetup was NULL\r | |
29 | @retval EFI_UNSUPPORTED - The Linux kernel is not supported\r | |
30 | \r | |
31 | **/\r | |
32 | EFI_STATUS\r | |
33 | EFIAPI\r | |
34 | LoadLinuxCheckKernelSetup (\r | |
35 | IN VOID *KernelSetup,\r | |
36 | IN UINTN KernelSetupSize\r | |
37 | );\r | |
38 | \r | |
39 | \r | |
40 | /**\r | |
41 | Gets the initial runtime size of the Linux kernel image by examining\r | |
42 | the kernel setup image.\r | |
43 | \r | |
44 | @param[in] KernelSetup - The kernel setup image\r | |
45 | @param[in] KernelSize - The kernel size on disk.\r | |
46 | \r | |
b6b33f67 | 47 | @retval 0 An error occurred\r |
f6c6c020 | 48 | @retval !0 The initial size required by the kernel to\r |
49 | begin execution.\r | |
50 | \r | |
51 | **/\r | |
52 | UINTN\r | |
53 | EFIAPI\r | |
54 | LoadLinuxGetKernelSize (\r | |
55 | IN VOID *KernelSetup,\r | |
56 | IN UINTN KernelSize\r | |
57 | );\r | |
58 | \r | |
59 | \r | |
60 | /**\r | |
61 | Loads and boots UEFI Linux.\r | |
62 | \r | |
63 | Note: If successful, then this routine will not return\r | |
64 | \r | |
65 | @param[in] Kernel - The main kernel image\r | |
66 | @param[in,out] KernelSetup - The kernel setup image\r | |
67 | \r | |
68 | @retval EFI_NOT_FOUND - The Linux kernel was not found\r | |
69 | @retval EFI_INVALID_PARAMETER - Kernel or KernelSetup was NULL\r | |
70 | @retval EFI_UNSUPPORTED - The Linux kernel version is not supported\r | |
71 | \r | |
72 | **/\r | |
73 | EFI_STATUS\r | |
74 | EFIAPI\r | |
75 | LoadLinux (\r | |
76 | IN VOID *Kernel,\r | |
77 | IN OUT VOID *KernelSetup\r | |
78 | );\r | |
79 | \r | |
80 | \r | |
81 | /**\r | |
82 | Allocates pages for the kernel setup image.\r | |
83 | \r | |
84 | @param[in] Pages - The number of pages\r | |
85 | \r | |
86 | @retval NULL - Unable to allocate pages\r | |
87 | @retval !NULL - The address of the pages allocated\r | |
88 | \r | |
89 | **/\r | |
90 | VOID*\r | |
91 | EFIAPI\r | |
92 | LoadLinuxAllocateKernelSetupPages (\r | |
93 | IN UINTN Pages\r | |
94 | );\r | |
95 | \r | |
96 | \r | |
c61a56f2 | 97 | /**\r |
98 | Clears the uninitialised space before and after the struct setup_header\r | |
99 | in the kernel setup image. The kernel requires that these be zeroed\r | |
100 | unless explicitly initialised, so this function should be called after\r | |
101 | the setup_header has been copied in from a bzImage, before setting up\r | |
102 | anything else.\r | |
103 | \r | |
104 | @param[in] KernelSetup - The kernel setup image\r | |
105 | \r | |
106 | @retval EFI_SUCCESS - The Linux kernel setup was successfully initialized\r | |
107 | @retval EFI_INVALID_PARAMETER - KernelSetup was NULL\r | |
108 | @retval EFI_UNSUPPORTED - The Linux kernel is not supported\r | |
109 | \r | |
110 | **/\r | |
111 | EFI_STATUS\r | |
112 | EFIAPI\r | |
113 | LoadLinuxInitializeKernelSetup (\r | |
114 | IN VOID *KernelSetup\r | |
115 | );\r | |
116 | \r | |
f6c6c020 | 117 | /**\r |
118 | Allocates pages for the kernel.\r | |
119 | \r | |
120 | @param[in] KernelSetup - The kernel setup image\r | |
121 | @param[in] Pages - The number of pages. (It is recommended to use the\r | |
122 | size returned from LoadLinuxGetKernelSize.)\r | |
123 | \r | |
124 | @retval NULL - Unable to allocate pages\r | |
125 | @retval !NULL - The address of the pages allocated\r | |
126 | \r | |
127 | **/\r | |
128 | VOID*\r | |
129 | EFIAPI\r | |
130 | LoadLinuxAllocateKernelPages (\r | |
131 | IN VOID *KernelSetup,\r | |
132 | IN UINTN Pages\r | |
133 | );\r | |
134 | \r | |
135 | \r | |
136 | /**\r | |
137 | Allocates pages for the kernel command line.\r | |
138 | \r | |
139 | @param[in] Pages - The number of pages.\r | |
140 | \r | |
141 | @retval NULL - Unable to allocate pages\r | |
142 | @retval !NULL - The address of the pages allocated\r | |
143 | \r | |
144 | **/\r | |
145 | VOID*\r | |
146 | EFIAPI\r | |
147 | LoadLinuxAllocateCommandLinePages (\r | |
148 | IN UINTN Pages\r | |
149 | );\r | |
150 | \r | |
151 | \r | |
152 | /**\r | |
153 | Allocates pages for the initrd image.\r | |
154 | \r | |
155 | @param[in,out] KernelSetup - The kernel setup image\r | |
156 | @param[in] Pages - The number of pages.\r | |
157 | \r | |
158 | @retval NULL - Unable to allocate pages\r | |
159 | @retval !NULL - The address of the pages allocated\r | |
160 | \r | |
161 | **/\r | |
162 | VOID*\r | |
163 | EFIAPI\r | |
164 | LoadLinuxAllocateInitrdPages (\r | |
165 | IN VOID *KernelSetup,\r | |
166 | IN UINTN Pages\r | |
167 | );\r | |
168 | \r | |
169 | \r | |
170 | /**\r | |
171 | Sets the kernel command line parameter within the setup image.\r | |
172 | \r | |
173 | @param[in,out] KernelSetup - The kernel setup image\r | |
174 | @param[in] CommandLine - The kernel command line\r | |
175 | \r | |
176 | @retval EFI_SUCCESS - The Linux kernel setup is valid and supported\r | |
177 | @retval EFI_INVALID_PARAMETER - KernelSetup was NULL\r | |
178 | @retval EFI_UNSUPPORTED - The Linux kernel is not supported\r | |
179 | \r | |
180 | **/\r | |
181 | EFI_STATUS\r | |
182 | EFIAPI\r | |
183 | LoadLinuxSetCommandLine (\r | |
184 | IN OUT VOID *KernelSetup,\r | |
185 | IN CHAR8 *CommandLine\r | |
186 | );\r | |
187 | \r | |
188 | \r | |
189 | /**\r | |
190 | Sets the kernel initial ram disk pointer within the setup image.\r | |
191 | \r | |
192 | @param[in,out] KernelSetup - The kernel setup image\r | |
193 | @param[in] Initrd - Pointer to the initial ram disk\r | |
194 | @param[in] InitrdSize - The initial ram disk image size\r | |
195 | \r | |
196 | @retval EFI_SUCCESS - The Linux kernel setup is valid and supported\r | |
197 | @retval EFI_INVALID_PARAMETER - KernelSetup was NULL\r | |
198 | @retval EFI_UNSUPPORTED - The Linux kernel is not supported\r | |
199 | \r | |
200 | **/\r | |
201 | EFI_STATUS\r | |
202 | EFIAPI\r | |
203 | LoadLinuxSetInitrd (\r | |
204 | IN OUT VOID *KernelSetup,\r | |
205 | IN VOID *Initrd,\r | |
206 | IN UINTN InitrdSize\r | |
207 | );\r | |
208 | \r | |
209 | \r | |
210 | #endif\r | |
211 | \r |