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82325f95 | 1 | /** @file\r |
2 | \r | |
3 | Copyright (c) 2008 - 2009, Apple Inc. 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 | #include <Base.h>\r | |
15 | \r | |
16 | #include <Library/BaseLib.h>\r | |
17 | #include <Library/SemihostLib.h>\r | |
18 | \r | |
19 | #include "SemihostPrivate.h"\r | |
20 | \r | |
21 | BOOLEAN\r | |
22 | SemihostConnectionSupported (\r | |
23 | VOID\r | |
24 | )\r | |
25 | {\r | |
26 | return SEMIHOST_SUPPORTED;\r | |
27 | }\r | |
28 | \r | |
29 | RETURN_STATUS\r | |
30 | SemihostFileOpen (\r | |
31 | IN CHAR8 *FileName,\r | |
32 | IN UINT32 Mode,\r | |
c63626b7 | 33 | OUT UINTN *FileHandle\r |
82325f95 | 34 | )\r |
35 | {\r | |
36 | SEMIHOST_FILE_OPEN_BLOCK OpenBlock;\r | |
37 | INT32 Result;\r | |
38 | \r | |
39 | if (FileHandle == NULL) {\r | |
40 | return RETURN_INVALID_PARAMETER;\r | |
41 | }\r | |
42 | \r | |
8fa3caf2 | 43 | // Remove any leading separator (e.g.: '\'). EFI Shell adds one.\r |
44 | if (*FileName == '\\') {\r | |
45 | FileName++;\r | |
46 | }\r | |
47 | \r | |
82325f95 | 48 | OpenBlock.FileName = FileName;\r |
49 | OpenBlock.Mode = Mode;\r | |
50 | OpenBlock.NameLength = AsciiStrLen(FileName);\r | |
51 | \r | |
52 | Result = Semihost_SYS_OPEN(&OpenBlock);\r | |
53 | \r | |
54 | if (Result == -1) {\r | |
55 | return RETURN_NOT_FOUND;\r | |
56 | } else {\r | |
57 | *FileHandle = Result;\r | |
58 | return RETURN_SUCCESS;\r | |
59 | }\r | |
60 | }\r | |
61 | \r | |
62 | RETURN_STATUS\r | |
63 | SemihostFileSeek (\r | |
c63626b7 | 64 | IN UINTN FileHandle,\r |
65 | IN UINTN Offset\r | |
82325f95 | 66 | )\r |
67 | {\r | |
68 | SEMIHOST_FILE_SEEK_BLOCK SeekBlock;\r | |
69 | INT32 Result;\r | |
70 | \r | |
71 | SeekBlock.Handle = FileHandle;\r | |
72 | SeekBlock.Location = Offset;\r | |
73 | \r | |
74 | Result = Semihost_SYS_SEEK(&SeekBlock);\r | |
75 | \r | |
76 | if (Result == 0) {\r | |
77 | return RETURN_SUCCESS;\r | |
78 | } else {\r | |
79 | return RETURN_ABORTED;\r | |
80 | }\r | |
81 | }\r | |
82 | \r | |
83 | RETURN_STATUS\r | |
84 | SemihostFileRead (\r | |
c63626b7 | 85 | IN UINTN FileHandle,\r |
86 | IN OUT UINTN *Length,\r | |
82325f95 | 87 | OUT VOID *Buffer\r |
88 | )\r | |
89 | {\r | |
90 | SEMIHOST_FILE_READ_WRITE_BLOCK ReadBlock;\r | |
91 | UINT32 Result;\r | |
92 | \r | |
93 | if ((Length == NULL) || (Buffer == NULL)) {\r | |
94 | return RETURN_INVALID_PARAMETER;\r | |
95 | }\r | |
96 | \r | |
97 | ReadBlock.Handle = FileHandle;\r | |
98 | ReadBlock.Buffer = Buffer;\r | |
99 | ReadBlock.Length = *Length;\r | |
100 | \r | |
101 | Result = Semihost_SYS_READ(&ReadBlock);\r | |
102 | \r | |
103 | if (Result == *Length) {\r | |
104 | return RETURN_ABORTED;\r | |
105 | } else {\r | |
106 | *Length -= Result;\r | |
107 | return RETURN_SUCCESS;\r | |
108 | }\r | |
109 | }\r | |
110 | \r | |
111 | RETURN_STATUS\r | |
112 | SemihostFileWrite (\r | |
c63626b7 | 113 | IN UINTN FileHandle,\r |
114 | IN OUT UINTN *Length,\r | |
82325f95 | 115 | IN VOID *Buffer\r |
116 | )\r | |
117 | {\r | |
118 | SEMIHOST_FILE_READ_WRITE_BLOCK WriteBlock;\r | |
119 | \r | |
120 | if ((Length == NULL) || (Buffer == NULL)) {\r | |
121 | return RETURN_INVALID_PARAMETER;\r | |
122 | }\r | |
123 | \r | |
124 | WriteBlock.Handle = FileHandle;\r | |
125 | WriteBlock.Buffer = Buffer;\r | |
126 | WriteBlock.Length = *Length;\r | |
127 | \r | |
128 | *Length = Semihost_SYS_WRITE(&WriteBlock);\r | |
129 | \r | |
130 | return RETURN_SUCCESS;\r | |
131 | }\r | |
132 | \r | |
133 | RETURN_STATUS\r | |
134 | SemihostFileClose (\r | |
c63626b7 | 135 | IN UINTN FileHandle\r |
82325f95 | 136 | )\r |
137 | {\r | |
138 | INT32 Result = Semihost_SYS_CLOSE(&FileHandle);\r | |
139 | \r | |
140 | if (Result == -1) {\r | |
141 | return RETURN_INVALID_PARAMETER;\r | |
142 | } else {\r | |
143 | return RETURN_SUCCESS;\r | |
144 | }\r | |
145 | }\r | |
146 | \r | |
147 | RETURN_STATUS\r | |
148 | SemihostFileLength (\r | |
c63626b7 | 149 | IN UINTN FileHandle,\r |
150 | OUT UINTN *Length\r | |
82325f95 | 151 | )\r |
152 | {\r | |
153 | INT32 Result;\r | |
154 | \r | |
155 | if (Length == NULL) {\r | |
156 | return RETURN_INVALID_PARAMETER;\r | |
157 | }\r | |
158 | \r | |
159 | Result = Semihost_SYS_FLEN(&FileHandle);\r | |
160 | \r | |
161 | if (Result == -1) {\r | |
162 | return RETURN_ABORTED;\r | |
163 | } else {\r | |
164 | *Length = Result;\r | |
165 | return RETURN_SUCCESS;\r | |
166 | }\r | |
167 | }\r | |
168 | \r | |
169 | RETURN_STATUS\r | |
170 | SemihostFileRemove (\r | |
171 | IN CHAR8 *FileName\r | |
172 | )\r | |
173 | {\r | |
174 | SEMIHOST_FILE_REMOVE_BLOCK RemoveBlock;\r | |
175 | UINT32 Result;\r | |
176 | \r | |
177 | RemoveBlock.FileName = FileName;\r | |
178 | RemoveBlock.NameLength = AsciiStrLen(FileName);\r | |
179 | \r | |
180 | Result = Semihost_SYS_REMOVE(&RemoveBlock);\r | |
181 | \r | |
182 | if (Result == 0) {\r | |
183 | return RETURN_SUCCESS;\r | |
184 | } else {\r | |
185 | return RETURN_ABORTED;\r | |
186 | }\r | |
187 | }\r | |
188 | \r | |
189 | CHAR8\r | |
190 | SemihostReadCharacter (\r | |
191 | VOID\r | |
192 | )\r | |
193 | {\r | |
194 | return Semihost_SYS_READC();\r | |
195 | }\r | |
196 | \r | |
197 | VOID\r | |
198 | SemihostWriteCharacter (\r | |
199 | IN CHAR8 Character\r | |
200 | )\r | |
201 | {\r | |
202 | Semihost_SYS_WRITEC(&Character);\r | |
203 | }\r | |
204 | \r | |
205 | VOID\r | |
206 | SemihostWriteString (\r | |
207 | IN CHAR8 *String\r | |
208 | )\r | |
209 | {\r | |
210 | Semihost_SYS_WRITE0(String);\r | |
211 | }\r | |
212 | \r | |
213 | UINT32\r | |
214 | SemihostSystem (\r | |
215 | IN CHAR8 *CommandLine\r | |
216 | )\r | |
217 | {\r | |
218 | SEMIHOST_SYSTEM_BLOCK SystemBlock;\r | |
219 | \r | |
220 | SystemBlock.CommandLine = CommandLine;\r | |
221 | SystemBlock.CommandLength = AsciiStrLen(CommandLine);\r | |
222 | \r | |
223 | return Semihost_SYS_SYSTEM(&SystemBlock);\r | |
224 | }\r |