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comparison packages/hal/common/current/src/hal_if.c @ 110:84e4bde58b26 ecos-sw-2000-07-14

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Merge from eCos master repository on 2000-07-14-22:00:02-BST
author jlarmour
date Mon, 17 Jul 2000 14:42:27 +0000
parents 7f461c3a372c
children 02ea4320376c
comparison
equal deleted inserted replaced
109:5720c4b6e1d2 110:84e4bde58b26
102 // been stalling us for some time. 102 // been stalling us for some time.
103 usec_ticks -= elapsed; 103 usec_ticks -= elapsed;
104 } while (usec_ticks > 0); 104 } while (usec_ticks > 0);
105 105
106 CYGARC_HAL_RESTORE_GP(); 106 CYGARC_HAL_RESTORE_GP();
107 #else
108 // Use a HAL feature if defined
109 #ifdef HAL_DELAY_US
110 HAL_DELAY_US(usecs);
111 #endif
107 #endif 112 #endif
108 } 113 }
109 114
110 static void 115 static void
111 reset(void) 116 reset(void)
362 struct Hal_SavedRegisters *hal_saved_interrupt_state; 367 struct Hal_SavedRegisters *hal_saved_interrupt_state;
363 368
364 void 369 void
365 hal_ctrlc_isr_init(void) 370 hal_ctrlc_isr_init(void)
366 { 371 {
372 // A ROM monitor never enables the interrupt itself. This is left
373 // to the (RAM) application.
374 #ifndef CYGSEM_HAL_ROM_MONITOR
367 hal_virtual_comm_table_t* __chan = CYGACC_CALL_IF_DEBUG_PROCS(); 375 hal_virtual_comm_table_t* __chan = CYGACC_CALL_IF_DEBUG_PROCS();
368 376
369 #if 1 // Prevents crash on older stubs 377 #if 1 // Prevents crash on older stubs
370 if (CYGNUM_CALL_IF_TABLE_VERSION != CYGACC_CALL_IF_VERSION()) 378 if (CYGNUM_CALL_IF_TABLE_VERSION != CYGACC_CALL_IF_VERSION())
371 return; 379 return;
380
381 // Now trash that value - otherwise downloading an image with
382 // builtin stubs on a board with older stubs may cause all
383 // subsequent runs to (wrongly) fall through to the below code.
384 // If there is a new stub on the board, it will reinitialize the
385 // version field on reset.
386 // Yes, this is a gross hack!
387 CYGACC_CALL_IF_VERSION_SET(CYGNUM_CALL_IF_TABLE_VERSION+1);
372 #endif 388 #endif
373 389
374 CYGACC_COMM_IF_CONTROL(*__chan, __COMMCTL_IRQ_ENABLE); 390 CYGACC_COMM_IF_CONTROL(*__chan, __COMMCTL_IRQ_ENABLE);
391 #endif
375 } 392 }
376 393
377 cyg_uint32 394 cyg_uint32
378 hal_ctrlc_isr(CYG_ADDRWORD vector, CYG_ADDRWORD data) 395 hal_ctrlc_isr(CYG_ADDRWORD vector, CYG_ADDRWORD data)
379 { 396 {