Add support for the vpiReset sim control.
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steve
parent
d8ef63efd1
commit
f8c3b84f68
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@ -17,7 +17,7 @@
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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#if !defined(WINNT)
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#ident "$Id: schedule.cc,v 1.2 2001/03/11 22:42:11 steve Exp $"
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#ident "$Id: schedule.cc,v 1.3 2001/03/19 01:55:38 steve Exp $"
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#endif
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# include "schedule.h"
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@ -43,8 +43,27 @@ const unsigned TYPE_THREAD = 0;
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const unsigned TYPE_PROP = 1;
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const unsigned TYPE_ASSIGN = 2;
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/*
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* This is the head of the list of pending events.
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*/
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static struct event_s* list = 0;
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/*
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* This flag is true until a VPI task or function finishes the
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* simulation.
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*/
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static bool schedule_runnable = true;
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void schedule_finish(int)
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{
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schedule_runnable = false;
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}
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bool schedule_finished(void)
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{
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return !schedule_runnable;
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}
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static void schedule_event_(struct event_s*cur)
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{
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cur->last = cur;
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@ -136,7 +155,7 @@ void schedule_simulate(void)
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{
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schedule_time = 0;
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while (list) {
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while (schedule_runnable && list) {
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/* Pull the first item off the list. Fixup the last
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pointer in the next cell, if necessary. */
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@ -148,7 +167,7 @@ void schedule_simulate(void)
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} else {
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schedule_time += cur->delay;
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printf("TIME: %u\n", schedule_time);
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//printf("TIME: %u\n", schedule_time);
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}
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switch (cur->type) {
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@ -157,7 +176,7 @@ void schedule_simulate(void)
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break;
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case TYPE_PROP:
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printf("Propagate %p\n", cur->fun);
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//printf("Propagate %p\n", cur->fun);
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functor_propagate(cur->fun);
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break;
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@ -173,6 +192,9 @@ void schedule_simulate(void)
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/*
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* $Log: schedule.cc,v $
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* Revision 1.3 2001/03/19 01:55:38 steve
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* Add support for the vpiReset sim control.
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*
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* Revision 1.2 2001/03/11 22:42:11 steve
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* Functor values and propagation.
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*
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@ -19,7 +19,7 @@
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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#if !defined(WINNT)
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#ident "$Id: schedule.h,v 1.2 2001/03/11 22:42:11 steve Exp $"
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#ident "$Id: schedule.h,v 1.3 2001/03/19 01:55:38 steve Exp $"
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#endif
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# include "vthread.h"
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@ -47,12 +47,29 @@ extern void schedule_assign(vvp_ipoint_t fun, unsigned char val,
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unsigned delay);
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/*
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* This runs the simulator. It runs until all the functors run out.
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* This runs the simulator. It runs until all the functors run out or
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* the simulation is otherwise finished.
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*/
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extern void schedule_simulate(void);
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/*
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* This function is the equivilent of the $finish system task. It
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* tells the simulator that simulation is done, the current thread
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* should be stopped, all remaining events abandoned and the
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* schedule_simulate() function will return.
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*
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* The schedule_finished() function will return true if the
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* schedule_finish() function has been called.
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*/
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extern void schedule_finish(int rc);
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extern bool schedule_finished(void);
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/*
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* $Log: schedule.h,v $
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* Revision 1.3 2001/03/19 01:55:38 steve
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* Add support for the vpiReset sim control.
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*
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* Revision 1.2 2001/03/11 22:42:11 steve
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* Functor values and propagation.
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*
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@ -17,10 +17,11 @@
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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#if !defined(WINNT)
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#ident "$Id: vpi_priv.cc,v 1.1 2001/03/16 01:44:34 steve Exp $"
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#ident "$Id: vpi_priv.cc,v 1.2 2001/03/19 01:55:38 steve Exp $"
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#endif
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# include "vpi_priv.h"
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# include "schedule.h"
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# include <stdio.h>
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# include <stdarg.h>
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# include <assert.h>
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@ -148,11 +149,21 @@ int vpi_remove_cb(vpiHandle ref)
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void vpi_sim_control(int operation, ...)
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{
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assert(0);
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switch (operation) {
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case vpiFinish:
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schedule_finish(0);
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break;
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default:
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assert(0);
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}
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}
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/*
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* $Log: vpi_priv.cc,v $
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* Revision 1.2 2001/03/19 01:55:38 steve
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* Add support for the vpiReset sim control.
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*
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* Revision 1.1 2001/03/16 01:44:34 steve
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* Add structures for VPI support, and all the %vpi_call
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* instruction. Get linking of VPI modules to work.
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@ -17,7 +17,7 @@
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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#if !defined(WINNT)
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#ident "$Id: vthread.cc,v 1.4 2001/03/16 01:44:34 steve Exp $"
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#ident "$Id: vthread.cc,v 1.5 2001/03/19 01:55:38 steve Exp $"
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#endif
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# include "vthread.h"
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@ -55,6 +55,10 @@ void vthread_run(vthread_t thr)
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thr->pc += 1;
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assert(cp->opcode);
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/* Run the opcode implementation. If the execution of
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the opcode returns false, then the thread is meant to
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be paused, so break out of the loop. */
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bool rc = (cp->opcode)(thr, cp);
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if (rc == false)
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return;
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@ -63,7 +67,7 @@ void vthread_run(vthread_t thr)
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bool of_ASSIGN(vthread_t thr, vvp_code_t cp)
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{
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printf("thread %p: %%assign\n", thr);
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//printf("thread %p: %%assign\n", thr);
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unsigned char bit_val = 3;
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if ((cp->bit_idx2 & ~0x3) == 0x0) {
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@ -79,14 +83,14 @@ bool of_ASSIGN(vthread_t thr, vvp_code_t cp)
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bool of_DELAY(vthread_t thr, vvp_code_t cp)
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{
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printf("thread %p: %%delay %lu\n", thr, cp->number);
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//printf("thread %p: %%delay %lu\n", thr, cp->number);
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schedule_vthread(thr, cp->number);
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return false;
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}
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bool of_END(vthread_t thr, vvp_code_t cp)
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{
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printf("thread %p: %%end\n", thr);
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//printf("thread %p: %%end\n", thr);
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return false;
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}
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@ -97,7 +101,7 @@ bool of_NOOP(vthread_t thr, vvp_code_t cp)
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bool of_SET(vthread_t thr, vvp_code_t cp)
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{
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printf("thread %p: %%set %u, %u\n", thr, cp->iptr, cp->bit_idx1);
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//printf("thread %p: %%set %u, %u\n", thr, cp->iptr, cp->bit_idx1);
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unsigned char bit_val = 3;
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if ((cp->bit_idx1 & ~0x3) == 0x0) {
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@ -114,13 +118,16 @@ bool of_SET(vthread_t thr, vvp_code_t cp)
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bool of_VPI_CALL(vthread_t thr, vvp_code_t cp)
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{
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printf("thread %p: %%vpi_call\n", thr);
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// printf("thread %p: %%vpi_call\n", thr);
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vpip_execute_vpi_call(cp->handle);
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return true;
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return schedule_finished()? false : true;
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}
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/*
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* $Log: vthread.cc,v $
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* Revision 1.5 2001/03/19 01:55:38 steve
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* Add support for the vpiReset sim control.
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*
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* Revision 1.4 2001/03/16 01:44:34 steve
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* Add structures for VPI support, and all the %vpi_call
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* instruction. Get linking of VPI modules to work.
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