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c80 simulator fixes.

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This commit is contained in:
Andrew Cagney
1997-05-12 04:57:49 +00:00
parent e05e76e8a4
commit c445af5a2b
10 changed files with 242 additions and 70 deletions
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23
sim/tic80/sim-calls.c
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@ -178,7 +178,7 @@ void
sim_fetch_register (SIM_DESC sd, int regnr, unsigned char *buf)
{
if (regnr >= R0_REGNUM && regnr <= Rn_REGNUM)
*(unsigned32*)buf = H2T_4 (STATE_CPU (sd, 0)->reg[regnr - A0_REGNUM]);
*(unsigned32*)buf = H2T_4 (STATE_CPU (sd, 0)->reg[regnr - R0_REGNUM]);
else if (regnr == PC_REGNUM)
*(unsigned32*)buf = H2T_4 (STATE_CPU (sd, 0)->cia.ip);
else if (regnr == NPC_REGNUM)
@ -195,7 +195,7 @@ void
sim_store_register (SIM_DESC sd, int regnr, unsigned char *buf)
{
if (regnr >= R0_REGNUM && regnr <= Rn_REGNUM)
STATE_CPU (sd, 0)->reg[regnr - A0_REGNUM] = T2H_4 (*(unsigned32*)buf);
STATE_CPU (sd, 0)->reg[regnr - R0_REGNUM] = T2H_4 (*(unsigned32*)buf);
else if (regnr == PC_REGNUM)
STATE_CPU (sd, 0)->cia.ip = T2H_4 (*(unsigned32*)buf);
else if (regnr == NPC_REGNUM)
@ -233,9 +233,17 @@ volatile int keep_running = 1;
void
sim_stop_reason (SIM_DESC sd, enum sim_stop *reason, int *sigrc)
{
*reason = simulation.reason;
*sigrc = simulation.siggnal;
keep_running = 1; /* ready for next run */
if (!keep_running)
{
*reason = sim_stopped;
*sigrc = SIGINT;
keep_running = 0;
}
else
{
*reason = simulation.reason;
*sigrc = simulation.siggnal;
}
}
@ -251,8 +259,9 @@ sim_resume (SIM_DESC sd, int step, int siggnal)
{
/* keep_running = 1 - in sim_stop_reason */
if (step)
keep_running = 0;
engine_run_until_stop(sd, &keep_running);
engine_step (sd);
else
engine_run_until_stop (sd, &keep_running);
}
void