Mercurial > ecos
annotate packages/hal/common/current/src/hal_stub.c @ 50:a0774359f013 ecos-sw-1999-11-02
Merge from eCos master repository on 1999-11-02-17:02:15-GMT
| author | jlarmour |
|---|---|
| date | Tue, 02 Nov 1999 20:57:07 +0000 |
| parents | 1370c5e55234 |
| children | c38311975d4f |
| rev | line source |
|---|---|
| 2 | 1 //============================================================================= |
| 2 // | |
| 3 // hal_stub.c | |
| 4 // | |
| 5 // Helper functions for stub, specific to eCos HAL | |
| 6 // | |
| 7 //============================================================================= | |
| 8 //####COPYRIGHTBEGIN#### | |
| 9 // | |
| 10 // ------------------------------------------- | |
| 11 // The contents of this file are subject to the Cygnus eCos Public License | |
| 12 // Version 1.0 (the "License"); you may not use this file except in | |
| 13 // compliance with the License. You may obtain a copy of the License at | |
| 14 // http://sourceware.cygnus.com/ecos | |
| 15 // | |
| 16 // Software distributed under the License is distributed on an "AS IS" | |
| 17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the | |
| 18 // License for the specific language governing rights and limitations under | |
| 19 // the License. | |
| 20 // | |
| 21 // The Original Code is eCos - Embedded Cygnus Operating System, released | |
| 22 // September 30, 1998. | |
| 23 // | |
| 24 // The Initial Developer of the Original Code is Cygnus. Portions created | |
| 25 // by Cygnus are Copyright (C) 1998, 1999 Cygnus Solutions. | |
| 26 // All Rights Reserved. | |
| 27 // ------------------------------------------- | |
| 28 // | |
| 29 //####COPYRIGHTEND#### | |
| 30 //============================================================================= | |
| 31 //#####DESCRIPTIONBEGIN#### | |
| 32 // | |
| 33 // Author(s): jskov (based on powerpc/cogent hal_stub.c) | |
| 34 // Contributors:jskov | |
| 35 // Date: 1999-02-12 | |
| 36 // Purpose: Helper functions for stub, specific to eCos HAL | |
| 37 // Description: Parts of the GDB stub requirements are provided by | |
| 38 // the eCos HAL, rather than target and/or board specific | |
| 39 // code. | |
| 40 // | |
| 41 //####DESCRIPTIONEND#### | |
| 42 // | |
| 43 //============================================================================= | |
| 44 | |
| 45 #include <pkgconf/hal.h> | |
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46 #ifdef CYGPKG_CYGMON |
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47 #include <pkgconf/cygmon.h> |
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48 #endif |
| 2 | 49 |
| 50 #ifdef CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS | |
| 51 | |
| 52 #include <cyg/hal/hal_stub.h> // Our header | |
| 53 | |
| 54 #include <cyg/hal/hal_arch.h> // HAL_BREAKINST | |
| 55 #include <cyg/hal/hal_cache.h> // HAL_xCACHE_x | |
| 56 #include <cyg/hal/hal_intr.h> // interrupt disable/restore | |
| 57 | |
| 58 #ifdef CYGDBG_HAL_DEBUG_GDB_THREAD_SUPPORT | |
| 59 #include <cyg/hal/dbg-threads-api.h> // dbg_currthread_id | |
| 60 #endif | |
| 61 | |
| 62 | |
| 63 //----------------------------------------------------------------------------- | |
| 64 // Extra eCos data. | |
| 65 | |
| 66 // Saved registers. | |
| 67 HAL_SavedRegisters *_hal_registers; | |
| 68 target_register_t registers[NUMREGS]; | |
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69 target_register_t alt_registers[NUMREGS] ; // Thread or saved process state |
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70 target_register_t * _registers = registers; // Pointer to current set of registers |
| 2 | 71 |
| 72 // Interrupt control. | |
| 73 static volatile __PFI __interruptible_control; | |
| 74 | |
| 75 //----------------------------------------------------------------------------- | |
| 76 // Register access | |
| 77 | |
| 78 // Return the currently-saved value corresponding to register REG of | |
| 79 // the exception context. | |
| 80 target_register_t | |
| 81 get_register (regnames_t reg) | |
| 82 { | |
| 83 return _registers[reg]; | |
| 84 } | |
| 85 | |
| 86 // Store VALUE in the register corresponding to WHICH in the exception | |
| 87 // context. | |
| 88 void | |
| 89 put_register (regnames_t which, target_register_t value) | |
| 90 { | |
| 91 _registers[which] = value; | |
| 92 } | |
| 93 | |
| 94 //----------------------------------------------------------------------------- | |
| 95 // Serial stuff | |
| 96 | |
| 97 // Write C to the current serial port. | |
| 98 void | |
| 99 putDebugChar (int c) | |
| 100 { | |
| 101 HAL_STUB_PLATFORM_PUT_CHAR(c); | |
| 102 } | |
| 103 | |
| 104 // Read one character from the current serial port. | |
| 105 int | |
| 106 getDebugChar (void) | |
| 107 { | |
| 108 return HAL_STUB_PLATFORM_GET_CHAR(); | |
| 109 } | |
| 110 | |
| 111 // Set the baud rate for the current serial port. | |
| 112 void | |
| 113 __set_baud_rate (int baud) | |
| 114 { | |
| 115 HAL_STUB_PLATFORM_SET_BAUD_RATE(baud); | |
| 116 } | |
| 117 | |
| 118 //----------------------------------------------------------------------------- | |
| 119 // GDB interrupt (BREAK) support. | |
| 120 | |
| 121 #ifdef CYGDBG_HAL_DEBUG_GDB_BREAK_SUPPORT | |
| 122 | |
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123 |
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124 #if (HAL_BREAKINST_SIZE == 1) |
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125 typedef cyg_uint8 t_inst; |
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126 #elif (HAL_BREAKINST_SIZE == 2) |
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127 typedef cyg_uint16 t_inst; |
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128 #elif (HAL_BREAKINST_SIZE == 4) |
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129 typedef cyg_uint32 t_inst; |
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130 #else |
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131 #error "Don't know how to handle that size" |
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132 #endif |
| 2 | 133 |
| 134 typedef struct | |
| 135 { | |
| 136 t_inst *targetAddr; | |
| 137 t_inst savedInstr; | |
| 138 } instrBuffer; | |
| 139 | |
| 140 static instrBuffer break_buffer; | |
| 141 | |
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142 volatile int cyg_hal_gdb_running_step = 0; |
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143 |
| 2 | 144 void |
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145 cyg_hal_gdb_place_break (target_register_t pc) |
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146 { |
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147 cyg_hal_gdb_interrupt( pc ); // Let's hope this becomes a drop-through: |
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148 } |
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149 |
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150 void |
| 2 | 151 cyg_hal_gdb_interrupt (target_register_t pc) |
| 152 { | |
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153 // Clear flag that we Continued instead of Stepping |
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154 cyg_hal_gdb_running_step = 0; |
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155 // and override existing break? So that a ^C takes effect... |
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156 if (NULL != break_buffer.targetAddr) |
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157 cyg_hal_gdb_remove_break( (target_register_t)break_buffer.targetAddr ); |
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158 |
| 2 | 159 if (NULL == break_buffer.targetAddr) { |
| 160 break_buffer.targetAddr = (t_inst*) pc; | |
| 161 break_buffer.savedInstr = *(t_inst*)pc; | |
| 162 *(t_inst*)pc = (t_inst)HAL_BREAKINST; | |
| 163 | |
| 164 __data_cache(CACHE_FLUSH); | |
| 165 __instruction_cache(CACHE_FLUSH); | |
| 166 } | |
| 167 } | |
| 168 | |
| 169 int | |
| 170 cyg_hal_gdb_remove_break (target_register_t pc) | |
| 171 { | |
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172 if ( cyg_hal_gdb_running_step ) |
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173 return 0; |
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174 |
| 2 | 175 if ((t_inst*)pc == break_buffer.targetAddr) { |
| 176 *(t_inst*)pc = break_buffer.savedInstr; | |
| 177 break_buffer.targetAddr = NULL; | |
| 178 | |
| 179 __data_cache(CACHE_FLUSH); | |
| 180 __instruction_cache(CACHE_FLUSH); | |
| 181 return 1; | |
| 182 } | |
| 183 return 0; | |
| 184 } | |
| 185 | |
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186 int |
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187 cyg_hal_gdb_break_is_set (void) |
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188 { |
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189 if (NULL != break_buffer.targetAddr) { |
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190 return 1; |
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191 } |
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192 return 0; |
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193 } |
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194 |
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195 |
| 2 | 196 #endif // CYGDBG_HAL_DEBUG_GDB_BREAK_SUPPORT |
| 197 | |
| 198 // Use this function to disable serial interrupts whenever reply | |
| 199 // characters are expected from GDB. The reason we want to control | |
| 200 // whether the target can be interrupted or not is simply that GDB on | |
| 201 // the host will be sending acknowledge characters/commands while the | |
| 202 // stub is running - if serial interrupts were still active, the | |
| 203 // characters would never reach the (polling) getDebugChar. | |
| 204 static void | |
| 205 interruptible(int state) | |
| 206 { | |
| 207 static int __interrupts_suspended = 0; | |
| 208 | |
| 209 if (__interruptible_control) { | |
| 210 if (state) { | |
| 211 __interrupts_suspended--; | |
| 212 if (0 >= __interrupts_suspended) { | |
| 213 __interrupts_suspended = 0; | |
| 214 __interruptible_control(1); | |
| 215 } | |
| 216 } else { | |
| 217 __interrupts_suspended++; | |
| 218 if (1 == __interrupts_suspended) | |
| 219 __interruptible_control(0); | |
| 220 } | |
| 221 } | |
| 222 } | |
| 223 | |
| 224 //----------------------------------------------------------------------------- | |
| 225 // eCos stub entry and exit magic. | |
| 226 | |
| 227 #ifdef CYGDBG_HAL_DEBUG_GDB_BREAK_SUPPORT | |
| 228 int cyg_hal_gdb_break; | |
| 229 #endif | |
| 230 | |
| 231 // Called at stub *entry* | |
| 232 static void | |
| 233 handle_exception_cleanup( void ) | |
| 234 { | |
| 235 interruptible(0); | |
| 236 | |
| 237 // Expand the HAL_SavedRegisters structure into the GDB register | |
| 238 // array format. | |
| 239 HAL_GET_GDB_REGISTERS(®isters[0], _hal_registers); | |
| 240 _registers = ®isters[0]; | |
| 241 | |
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242 #ifdef HAL_STUB_PLATFORM_STUBS_FIXUP |
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243 // Some architectures may need to fix the PC in case of a partial |
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244 // or fully executed trap instruction. GDB only takes correct action |
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245 // when the PC is pointing to the breakpoint instruction it set. |
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246 // |
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247 // Most architectures would leave PC pointing at the trap |
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248 // instruction itself though, and so do not need to do anything |
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249 // special. |
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250 HAL_STUB_PLATFORM_STUBS_FIXUP(); |
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251 #endif |
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252 |
| 2 | 253 #ifdef CYGDBG_HAL_DEBUG_GDB_BREAK_SUPPORT |
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254 // If we continued instead of stepping, when there was a break set |
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255 // ie. we were stepping within a critical region, clear the break, and |
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256 // that flag. If we stopped for some other reason, this has no effect. |
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257 if ( cyg_hal_gdb_running_step ) { |
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258 cyg_hal_gdb_running_step = 0; |
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259 cyg_hal_gdb_remove_break(get_register (PC)); |
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260 } |
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261 |
| 2 | 262 // FIXME: (there may be a better way to do this) |
| 263 // If we hit a breakpoint set by the gdb interrupt stub, make it | |
| 264 // seem like an interrupt rather than having hit a breakpoint. | |
| 265 if (cyg_hal_gdb_remove_break(get_register (PC))) | |
| 266 cyg_hal_gdb_break = 1; | |
| 267 else | |
| 268 cyg_hal_gdb_break = 0; | |
| 269 #endif | |
| 270 } | |
| 271 | |
| 272 // Called at stub *exit* | |
| 273 static void | |
| 274 handle_exception_init( void ) | |
| 275 { | |
| 276 // Compact register array again. | |
| 277 HAL_SET_GDB_REGISTERS(_hal_registers, ®isters[0]); | |
| 278 | |
| 279 interruptible(1); | |
| 280 } | |
| 281 | |
| 282 | |
| 283 //----------------------------------------------------------------------------- | |
| 284 // Initialization. | |
| 285 | |
| 286 // Signal handler. | |
| 287 int | |
| 288 cyg_hal_process_signal (int signal) | |
| 289 { | |
| 290 // We don't care about the signal (atm). | |
| 291 return 0; | |
| 292 } | |
| 293 | |
| 294 // Install the standard set of trap handlers for the stub. | |
| 295 void | |
| 296 __install_traps (void) | |
| 297 { | |
| 298 // Set signal handling vector so we can treat 'C<signum>' as 'c'. | |
| 299 __process_signal_vec = &cyg_hal_process_signal; | |
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300 // Set exit vector to reset vector. This will allow automatic reset on |
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301 // some platforms. |
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302 __process_exit_vec = &__reset; |
| 2 | 303 |
| 304 __cleanup_vec = &handle_exception_cleanup; | |
| 305 __init_vec = &handle_exception_init; | |
| 306 | |
| 307 #ifdef CYGDBG_HAL_DEBUG_GDB_BREAK_SUPPORT | |
| 308 // Control of GDB interrupts. | |
| 309 __interruptible_control = HAL_STUB_PLATFORM_INTERRUPTIBLE; | |
| 310 #endif | |
| 311 | |
| 312 // Nothing further to do, handle_exception will be called when an | |
| 313 // exception occurs. | |
| 314 } | |
| 315 | |
| 316 // Initialize the hardware. | |
| 317 void | |
| 318 initHardware (void) | |
| 319 { | |
| 320 static int initialized = 0; | |
| 321 | |
| 322 if (!initialized) { | |
| 323 initialized = 1; | |
| 324 | |
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325 #ifdef HAL_STUB_PLATFORM_INIT |
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326 // If the platform defines any initialization code, call it here. |
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327 HAL_STUB_PLATFORM_INIT(); |
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328 #endif |
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329 |
| 2 | 330 // Get serial port initialized. |
| 331 HAL_STUB_PLATFORM_INIT_SERIAL(); | |
| 332 | |
| 333 #ifdef CYGDBG_HAL_DEBUG_GDB_BREAK_SUPPORT | |
| 334 // Get interrupt handler initialized. | |
| 335 HAL_STUB_PLATFORM_INIT_BREAK_IRQ(); | |
| 336 #endif | |
| 337 | |
| 338 #ifdef CYG_HAL_STARTUP_STUBS | |
| 339 // There may be extra initialization required when configured | |
| 340 // for stubs startup. | |
| 341 HAL_STUB_PLATFORM_STUBS_INIT(); | |
| 342 #endif | |
| 343 } | |
| 344 } | |
| 345 | |
| 346 // Reset the board. | |
| 347 void | |
| 348 __reset (void) | |
| 349 { | |
| 350 HAL_STUB_PLATFORM_RESET(); | |
| 351 } | |
| 352 | |
| 353 //----------------------------------------------------------------------------- | |
| 354 // Breakpoint support. | |
| 355 | |
| 356 #ifndef CYGPKG_HAL_ARM | |
| 357 // This function will generate a breakpoint exception. It is used at | |
| 358 // the beginning of a program to sync up with a debugger and can be | |
| 359 // used otherwise as a quick means to stop program execution and | |
| 360 // "break" into the debugger. | |
| 361 void | |
| 362 breakpoint() | |
| 363 { | |
| 364 HAL_BREAKPOINT(_breakinst); | |
| 365 } | |
| 366 | |
| 367 // This function returns the opcode for a 'trap' instruction. | |
| 368 unsigned long | |
| 369 __break_opcode () | |
| 370 { | |
| 371 return HAL_BREAKINST; | |
| 372 } | |
| 373 #endif | |
| 374 | |
| 375 // FIXME: Add support for multiple breakpoints (libstub/bplist-dynamic.c) | |
| 376 int __set_breakpoint (target_register_t addr) { return 0; } | |
| 377 int __remove_breakpoint (target_register_t addr) { return 0; } | |
| 378 | |
| 379 //----------------------------------------------------------------------------- | |
| 380 // Write the 'T' packet in BUFFER. SIGVAL is the signal the program received. | |
| 381 void | |
| 382 __build_t_packet (int sigval, char *buf) | |
| 383 { | |
| 384 target_register_t addr; | |
| 385 char *ptr = buf; | |
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386 target_register_t sp; |
| 2 | 387 |
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388 sp = (target_register_t) get_register (SP); |
| 2 | 389 |
| 390 *ptr++ = 'T'; | |
| 391 *ptr++ = __tohex (sigval >> 4); | |
| 392 *ptr++ = __tohex (sigval); | |
| 393 | |
| 394 #ifdef CYGDBG_HAL_DEBUG_GDB_THREAD_SUPPORT | |
| 395 // Include thread ID if thread manipulation is required. | |
| 396 { | |
| 397 int id; | |
| 398 | |
| 399 *ptr++ = 't'; | |
| 400 *ptr++ = 'h'; | |
| 401 *ptr++ = 'r'; | |
| 402 *ptr++ = 'e'; | |
| 403 *ptr++ = 'a'; | |
| 404 *ptr++ = 'd'; | |
| 405 *ptr++ = ':'; | |
| 406 | |
| 407 #if (CYG_BYTEORDER == CYG_MSBFIRST) | |
| 408 id = dbg_currthread_id (); | |
| 409 #else | |
| 410 // FIXME: Temporary workaround for PR 18903. Thread ID must be | |
| 411 // big-endian in the T packet. | |
| 412 { | |
| 413 unsigned char* bep = (unsigned char*)&id; | |
| 414 int be_id; | |
| 415 | |
| 416 be_id = dbg_currthread_id (); | |
| 417 *bep++ = (be_id >> 24) & 0xff ; | |
| 418 *bep++ = (be_id >> 16) & 0xff ; | |
| 419 *bep++ = (be_id >> 8) & 0xff ; | |
| 420 *bep++ = (be_id & 0xff) ; | |
| 421 } | |
| 422 #endif | |
| 423 ptr = __mem2hex((char *)&id, ptr, sizeof(id), 0); | |
| 424 *ptr++ = ';'; | |
| 425 } | |
| 426 #endif | |
| 427 | |
| 428 *ptr++ = __tohex (PC >> 4); | |
| 429 *ptr++ = __tohex (PC); | |
| 430 *ptr++ = ':'; | |
| 431 addr = get_register (PC); | |
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432 ptr = __mem2hex((char *)&addr, ptr, REGSIZE(PC), 0); |
| 2 | 433 *ptr++ = ';'; |
| 434 | |
| 435 *ptr++ = __tohex (SP >> 4); | |
| 436 *ptr++ = __tohex (SP); | |
| 437 *ptr++ = ':'; | |
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438 ptr = __mem2hex((char *)&sp, ptr, REGSIZE(SP), 0); |
| 2 | 439 *ptr++ = ';'; |
| 440 | |
| 441 *ptr++ = 0; | |
| 442 } | |
| 443 | |
| 444 | |
| 445 //----------------------------------------------------------------------------- | |
| 446 // Cache functions. | |
| 447 | |
| 448 // Perform the specified operation on the instruction cache. | |
| 449 // Returns 1 if the cache is enabled, 0 otherwise. | |
| 450 int | |
| 451 __instruction_cache (cache_control_t request) | |
| 452 { | |
| 453 int state = 1; | |
| 454 | |
| 455 switch (request) { | |
| 456 case CACHE_ENABLE: | |
| 457 HAL_ICACHE_ENABLE(); | |
| 458 break; | |
| 459 case CACHE_DISABLE: | |
| 460 HAL_ICACHE_DISABLE(); | |
| 461 state = 0; | |
| 462 break; | |
| 463 case CACHE_FLUSH: | |
| 464 HAL_ICACHE_SYNC(); | |
| 465 break; | |
| 466 case CACHE_NOOP: | |
| 467 /* fall through */ | |
| 468 default: | |
| 469 break; | |
| 470 } | |
| 471 | |
| 472 #ifdef HAL_ICACHE_IS_ENABLED | |
| 473 HAL_ICACHE_IS_ENABLED(state); | |
| 474 #endif | |
| 475 | |
| 476 return state; | |
| 477 } | |
| 478 | |
| 479 // Perform the specified operation on the data cache. | |
| 480 // Returns 1 if the cache is enabled, 0 otherwise. | |
| 481 int | |
| 482 __data_cache (cache_control_t request) | |
| 483 { | |
| 484 int state = 1; | |
| 485 | |
| 486 switch (request) { | |
| 487 case CACHE_ENABLE: | |
| 488 HAL_DCACHE_ENABLE(); | |
| 489 break; | |
| 490 case CACHE_DISABLE: | |
| 491 HAL_DCACHE_DISABLE(); | |
| 492 state = 0; | |
| 493 break; | |
| 494 case CACHE_FLUSH: | |
| 495 HAL_DCACHE_SYNC(); | |
| 496 break; | |
| 497 case CACHE_NOOP: | |
| 498 /* fall through */ | |
| 499 default: | |
| 500 break; | |
| 501 } | |
| 502 #ifdef HAL_DCACHE_IS_ENABLED | |
| 503 HAL_DCACHE_IS_ENABLED(state); | |
| 504 #endif | |
| 505 | |
| 506 return state; | |
| 507 } | |
| 508 | |
| 509 //----------------------------------------------------------------------------- | |
| 510 // Memory accessor functions. | |
| 511 | |
| 512 void *__mem_fault_handler = (void *)0; | |
| 513 | |
| 514 /* These are the "arguments" to __do_read_mem and __do_write_mem, | |
| 515 which are passed as globals to avoid squeezing them thru | |
| 516 __set_mem_fault_trap. */ | |
| 517 | |
| 518 static volatile target_register_t memCount; | |
| 519 | |
| 520 static void | |
| 521 __do_copy_mem (unsigned char* src, unsigned char* dst) | |
| 522 { | |
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523 unsigned long *long_dst; |
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524 unsigned long *long_src; |
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525 unsigned short *short_dst; |
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526 unsigned short *short_src; |
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527 |
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528 __mem_fault = 1; /* Defaults to 'fail'. Is cleared */ |
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529 /* when the copy loop completes. */ |
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530 __mem_fault_handler = &&err; |
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531 |
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532 // See if it's safe to do multi-byte, aligned operations |
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533 while (memCount) { |
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534 if ((memCount >= sizeof(long)) && |
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535 (((target_register_t)dst & (sizeof(long)-1)) == 0) && |
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536 (((target_register_t)src & (sizeof(long)-1)) == 0)) { |
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537 |
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538 long_dst = (unsigned long *)dst; |
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539 long_src = (unsigned long *)src; |
| 2 | 540 |
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541 *long_dst++ = *long_src++; |
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542 memCount -= sizeof(long); |
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543 |
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544 dst = (unsigned char *)long_dst; |
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545 src = (unsigned char *)long_src; |
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546 } else if ((memCount >= sizeof(short)) && |
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547 (((target_register_t)dst & (sizeof(short)-1)) == 0) && |
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548 (((target_register_t)src & (sizeof(short)-1)) == 0)) { |
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549 |
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550 short_dst = (unsigned short *)dst; |
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551 short_src = (unsigned short *)src; |
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552 |
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553 *short_dst++ = *short_src++; |
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554 memCount -= sizeof(short); |
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555 |
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556 dst = (unsigned char *)short_dst; |
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557 src = (unsigned char *)short_src; |
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558 } else { |
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559 *dst++ = *src++; |
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560 memCount--; |
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561 } |
| 2 | 562 } |
| 563 | |
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564 __mem_fault = 0; |
| 2 | 565 |
| 566 err: | |
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567 __mem_fault_handler = (void *)0; |
| 2 | 568 } |
| 569 | |
| 570 /* | |
| 571 * __read_mem_safe: | |
| 572 * Get contents of target memory, abort on error. | |
| 573 */ | |
| 574 | |
| 575 int | |
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576 __read_mem_safe (void *dst, void *src, int count) |
| 2 | 577 { |
| 578 memCount = count; | |
| 579 __do_copy_mem((unsigned char*) src, (unsigned char*) dst); | |
| 580 return count - memCount; // return number of bytes successfully read | |
| 581 } | |
| 582 | |
| 583 /* | |
| 584 * __write_mem_safe: | |
| 585 * Set contents of target memory, abort on error. | |
| 586 */ | |
| 587 | |
| 588 int | |
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589 __write_mem_safe (void *src, void *dst, int count) |
| 2 | 590 { |
| 591 memCount = count; | |
| 592 __do_copy_mem((unsigned char*) src, (unsigned char*) dst); | |
| 593 return count - memCount; // return number of bytes successfully written | |
| 594 } | |
| 595 | |
| 596 //----------------------------------------------------------------------------- | |
| 597 // Target extras?! | |
| 598 int | |
| 599 __process_target_query(char * pkt, char * out, int maxOut) | |
| 600 { return 0 ; } | |
| 601 int | |
| 602 __process_target_set(char * pkt, char * out, int maxout) | |
| 603 { return 0 ; } | |
| 604 int | |
| 605 __process_target_packet(char * pkt, char * out, int maxout) | |
| 606 { return 0 ; } | |
| 607 | |
| 608 // GDB string output, making sure interrupts are disabled. | |
| 609 // This function gets used by some diag output functions. | |
| 610 void | |
| 611 hal_output_gdb_string(target_register_t str, int string_len) | |
| 612 { | |
| 613 unsigned long __state; | |
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614 HAL_DISABLE_INTERRUPTS(__state); |
| 2 | 615 __output_gdb_string(str, string_len); |
| 616 HAL_RESTORE_INTERRUPTS(__state); | |
| 617 } | |
| 618 | |
| 619 #endif // CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS |