1 /** @file 2 3 Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR> 4 Copyright (c) 2013 - 2014, ARM Ltd. All rights reserved.<BR> 5 6 This program and the accompanying materials 7 are licensed and made available under the terms and conditions of the BSD License 8 which accompanies this distribution. The full text of the license may be found at 9 http://opensource.org/licenses/bsd-license.php 10 11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 13 14 **/ 15 16 #ifndef __SEMIHOST_PRIVATE_H__ 17 #define __SEMIHOST_PRIVATE_H__ 18 19 typedef struct { 20 CHAR8 *FileName; 21 UINTN Mode; 22 UINTN NameLength; 23 } SEMIHOST_FILE_OPEN_BLOCK; 24 25 typedef struct { 26 UINTN Handle; 27 VOID *Buffer; 28 UINTN Length; 29 } SEMIHOST_FILE_READ_WRITE_BLOCK; 30 31 typedef struct { 32 UINTN Handle; 33 UINTN Location; 34 } SEMIHOST_FILE_SEEK_BLOCK; 35 36 typedef struct { 37 VOID *Buffer; 38 UINTN Identifier; 39 UINTN Length; 40 } SEMIHOST_FILE_TMPNAME_BLOCK; 41 42 typedef struct { 43 CHAR8 *FileName; 44 UINTN NameLength; 45 } SEMIHOST_FILE_REMOVE_BLOCK; 46 47 typedef struct { 48 CHAR8 *FileName; 49 UINTN FileNameLength; 50 CHAR8 *NewFileName; 51 UINTN NewFileNameLength; 52 } SEMIHOST_FILE_RENAME_BLOCK; 53 54 typedef struct { 55 CHAR8 *CommandLine; 56 UINTN CommandLength; 57 } SEMIHOST_SYSTEM_BLOCK; 58 59 #if defined(__CC_ARM) 60 61 #if defined(__thumb__) 62 #define SWI 0xAB 63 #else 64 #define SWI 0x123456 65 #endif 66 67 #define SEMIHOST_SUPPORTED TRUE 68 69 __swi(SWI) 70 INT32 71 _Semihost_SYS_OPEN( 72 IN UINTN SWI_0x01, 73 IN SEMIHOST_FILE_OPEN_BLOCK *OpenBlock 74 ); 75 76 __swi(SWI) 77 INT32 78 _Semihost_SYS_CLOSE( 79 IN UINTN SWI_0x02, 80 IN UINT32 *Handle 81 ); 82 83 __swi(SWI) 84 VOID 85 _Semihost_SYS_WRITEC( 86 IN UINTN SWI_0x03, 87 IN CHAR8 *Character 88 ); 89 90 __swi(SWI) 91 VOID 92 _Semihost_SYS_WRITE0( 93 IN UINTN SWI_0x04, 94 IN CHAR8 *String 95 ); 96 97 __swi(SWI) 98 UINT32 99 _Semihost_SYS_WRITE( 100 IN UINTN SWI_0x05, 101 IN OUT SEMIHOST_FILE_READ_WRITE_BLOCK *WriteBlock 102 ); 103 104 __swi(SWI) 105 UINT32 106 _Semihost_SYS_READ( 107 IN UINTN SWI_0x06, 108 IN OUT SEMIHOST_FILE_READ_WRITE_BLOCK *ReadBlock 109 ); 110 111 __swi(SWI) 112 CHAR8 113 _Semihost_SYS_READC( 114 IN UINTN SWI_0x07, 115 IN UINTN Zero 116 ); 117 118 __swi(SWI) 119 INT32 120 _Semihost_SYS_SEEK( 121 IN UINTN SWI_0x0A, 122 IN SEMIHOST_FILE_SEEK_BLOCK *SeekBlock 123 ); 124 125 __swi(SWI) 126 INT32 127 _Semihost_SYS_FLEN( 128 IN UINTN SWI_0x0C, 129 IN UINT32 *Handle 130 ); 131 132 __swi(SWI) 133 UINT32 134 _Semihost_SYS_TMPNAME( 135 IN UINTN SWI_0x0D, 136 IN SEMIHOST_FILE_TMPNAME_BLOCK *TmpNameBlock 137 ); 138 139 __swi(SWI) 140 UINT32 141 _Semihost_SYS_REMOVE( 142 IN UINTN SWI_0x0E, 143 IN SEMIHOST_FILE_REMOVE_BLOCK *RemoveBlock 144 ); 145 146 __swi(SWI) 147 UINT32 148 _Semihost_SYS_RENAME( 149 IN UINTN SWI_0x0F, 150 IN SEMIHOST_FILE_RENAME_BLOCK *RenameBlock 151 ); 152 153 __swi(SWI) 154 UINT32 155 _Semihost_SYS_SYSTEM( 156 IN UINTN SWI_0x12, 157 IN SEMIHOST_SYSTEM_BLOCK *SystemBlock 158 ); 159 160 #define Semihost_SYS_OPEN(OpenBlock) _Semihost_SYS_OPEN(0x01, OpenBlock) 161 #define Semihost_SYS_CLOSE(Handle) _Semihost_SYS_CLOSE(0x02, Handle) 162 #define Semihost_SYS_WRITE0(String) _Semihost_SYS_WRITE0(0x04, String) 163 #define Semihost_SYS_WRITEC(Character) _Semihost_SYS_WRITEC(0x03, Character) 164 #define Semihost_SYS_WRITE(WriteBlock) _Semihost_SYS_WRITE(0x05, WriteBlock) 165 #define Semihost_SYS_READ(ReadBlock) _Semihost_SYS_READ(0x06, ReadBlock) 166 #define Semihost_SYS_READC() _Semihost_SYS_READC(0x07, 0) 167 #define Semihost_SYS_SEEK(SeekBlock) _Semihost_SYS_SEEK(0x0A, SeekBlock) 168 #define Semihost_SYS_FLEN(Handle) _Semihost_SYS_FLEN(0x0C, Handle) 169 #define Semihost_SYS_TMPNAME(TmpNameBlock) _Semihost_SYS_TMPNAME(0x0D, TmpNameBlock) 170 #define Semihost_SYS_REMOVE(RemoveBlock) _Semihost_SYS_REMOVE(0x0E, RemoveBlock) 171 #define Semihost_SYS_RENAME(RenameBlock) _Semihost_SYS_RENAME(0x0F, RenameBlock) 172 #define Semihost_SYS_SYSTEM(SystemBlock) _Semihost_SYS_SYSTEM(0x12, SystemBlock) 173 174 #elif defined(__GNUC__) // __CC_ARM 175 176 #define SEMIHOST_SUPPORTED TRUE 177 178 UINT32 179 GccSemihostCall ( 180 IN UINT32 Operation, 181 IN UINTN SystemBlockAddress 182 ); // __attribute__ ((interrupt ("SVC"))); 183 184 #define Semihost_SYS_OPEN(OpenBlock) GccSemihostCall(0x01, (UINTN)(OpenBlock)) 185 #define Semihost_SYS_CLOSE(Handle) GccSemihostCall(0x02, (UINTN)(Handle)) 186 #define Semihost_SYS_WRITE0(String) GccSemihostCall(0x04, (UINTN)(String)) 187 #define Semihost_SYS_WRITEC(Character) GccSemihostCall(0x03, (UINTN)(Character)) 188 #define Semihost_SYS_WRITE(WriteBlock) GccSemihostCall(0x05, (UINTN)(WriteBlock)) 189 #define Semihost_SYS_READ(ReadBlock) GccSemihostCall(0x06, (UINTN)(ReadBlock)) 190 #define Semihost_SYS_READC() GccSemihostCall(0x07, (UINTN)(0)) 191 #define Semihost_SYS_SEEK(SeekBlock) GccSemihostCall(0x0A, (UINTN)(SeekBlock)) 192 #define Semihost_SYS_FLEN(Handle) GccSemihostCall(0x0C, (UINTN)(Handle)) 193 #define Semihost_SYS_TMPNAME(TmpNameBlock) GccSemihostCall(0x0D, (UINTN)(TmpNameBlock)) 194 #define Semihost_SYS_REMOVE(RemoveBlock) GccSemihostCall(0x0E, (UINTN)(RemoveBlock)) 195 #define Semihost_SYS_RENAME(RenameBlock) GccSemihostCall(0x0F, (UINTN)(RenameBlock)) 196 #define Semihost_SYS_SYSTEM(SystemBlock) GccSemihostCall(0x12, (UINTN)(SystemBlock)) 197 198 #else // __CC_ARM 199 200 #define SEMIHOST_SUPPORTED FALSE 201 202 #define Semihost_SYS_OPEN(OpenBlock) (-1) 203 #define Semihost_SYS_CLOSE(Handle) (-1) 204 #define Semihost_SYS_WRITE0(String) 205 #define Semihost_SYS_WRITEC(Character) 206 #define Semihost_SYS_WRITE(WriteBlock) (0) 207 #define Semihost_SYS_READ(ReadBlock) ((ReadBlock)->Length) 208 #define Semihost_SYS_READC() ('x') 209 #define Semihost_SYS_SEEK(SeekBlock) (-1) 210 #define Semihost_SYS_FLEN(Handle) (-1) 211 #define Semihost_SYS_TMPNAME(TmpNameBlock) (-1) 212 #define Semihost_SYS_REMOVE(RemoveBlock) (-1) 213 #define Semihost_SYS_RENAME(RenameBlock) (-1) 214 #define Semihost_SYS_SYSTEM(SystemBlock) (-1) 215 216 #endif // __CC_ARM 217 218 #endif //__SEMIHOST_PRIVATE_H__ 219
