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PDP11, all VAX: Extend debug options to track timing activities

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This commit is contained in:
Mark Pizzolato 2016-12-24 09:52:05 -08:00
parent 7c2d20f26f
commit 257738a4e0
1 changed files with 42 additions and 27 deletions
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37
PDP11/pdp11_vh.c
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@ -318,6 +318,8 @@ static TMLX vh_parm[VH_MUXES * VH_LINES_ALLOC] = { { 0 } };
/* debugging bitmaps */
#define DBG_REG 0x0001 /* trace read/write registers */
#define DBG_INT 0x0002 /* display interrupt activities */
#define DBG_TIM 0x0004 /* display timing activities */
#define DBG_TIMTRC 0x0008 /* display trace timing activities */
#define DBG_XMT TMXR_DBG_XMT /* display Transmitted Data */
#define DBG_RCV TMXR_DBG_RCV /* display Received Data */
#define DBG_MDM TMXR_DBG_MDM /* display Modem Signals */
@ -328,6 +330,8 @@ static TMLX vh_parm[VH_MUXES * VH_LINES_ALLOC] = { { 0 } };
DEBTAB vh_debug[] = {
{"REG", DBG_REG, "read/write registers"},
{"INT", DBG_INT, "interrupt activities"},
{"TIM", DBG_TIM, "timing activities"},
{"TIMTRC", DBG_TIMTRC, "trace timing activities"},
{"XMT", DBG_XMT, "Transmitted Data"},
{"RCV", DBG_RCV, "Received Data"},
{"MDM", DBG_MDM, "Modem Signals"},
@ -385,6 +389,7 @@ static UNIT vh_unit[VH_MUXES+1] = {
};
static UNIT *vh_timer_unit;
static UNIT *vh_poll_unit = &vh_unit[0];
static const REG vh_reg[] = {
{ BRDATAD (CSR, vh_csr, DEV_RDX, 16, VH_MUXES, "control/status register, boards 0 to 3") },
@ -615,8 +620,10 @@ override:
; /* nothing, infinite timeout */
else if (vh_timer[vh] == 1)
vh_set_rxint (vh);
else if (vh_timeo[vh] == 0)
else if (vh_timeo[vh] == 0) {
vh_timeo[vh] = MS2SIMH (vh_timer[vh]) + 1;
sim_debug (DBG_TIM, &vh_dev, "Timeout set vh=%d, timeout=%d\n", vh, vh_timeo[vh]);
}
} else {
/* Interrupt on transition _from_ an empty FIFO */
if (rbuf_idx[vh] == 1)
@ -681,7 +688,7 @@ static int32 fifo_get ( int32 vh )
}
/* Reschedule the next poll preceisely so that the
programmed input speed is observed. */
sim_clock_coschedule_abs (&vh_unit[0], tmxr_poll);
sim_clock_coschedule_abs (vh_poll_unit, tmxr_poll);
return (data & 0177777);
}
/* TX Q manipulation */
@ -926,9 +933,10 @@ static t_stat vh_wr ( int32 ldata,
if ((vh_unit[vh].flags & UNIT_MODEDHU) && (data & CSR_SKIP))
data &= ~CSR_MASTER_RESET;
if (vh == 0) /* Only start unit service on the first unit. Units are polled there */
sim_clock_coschedule (&vh_unit[0], tmxr_poll);
sim_clock_coschedule (vh_poll_unit, tmxr_poll);
vh_mcount[vh] = MS2SIMH (1200); /* 1.2 seconds */
sim_clock_coschedule (&vh_unit[vh_dev.numunits-1], tmxr_poll);
sim_clock_coschedule (vh_timer_unit, tmxr_poll);
sim_debug (DBG_TIM, &vh_dev, "vh_wr() - Master Reset Timeout set vh=%d, timeout=%d\n", vh, vh_mcount[vh]);
}
if ((data & CSR_RXIE) == 0)
vh_clr_rxint (vh);
@ -942,8 +950,10 @@ static t_stat vh_wr ( int32 ldata,
;
else if (vh_timer[vh] == 1)
vh_set_rxint (vh);
else if (vh_timeo[vh] == 0)
else if (vh_timeo[vh] == 0) {
vh_timeo[vh] = MS2SIMH (vh_timer[vh]) + 1;
sim_debug (DBG_TIM, &vh_dev, "vh_wr() - Timeout set vh=%d, timeout=%d\n", vh, vh_timeo[vh]);
}
} else {
vh_set_rxint (vh);
}
@ -1225,15 +1235,17 @@ static t_stat vh_timersvc ( UNIT *uptr )
{
int32 vh;
sim_debug(DBG_TRC, find_dev_from_unit(uptr), "vh_timersvc()\n");
sim_debug(DBG_TIMTRC, find_dev_from_unit(uptr), "vh_timersvc()\n");
/* scan all DHU-mode muxes for RX FIFO timeout */
for (vh = 0; vh < vh_desc.lines/VH_LINES; vh++) {
if (vh_unit[vh].flags & UNIT_MODEDHU) {
if (vh_timeo[vh] && (vh_csr[vh] & CSR_RXIE)) {
vh_timeo[vh] -= 1;
if ((vh_timeo[vh] == 0) && rbuf_idx[vh])
if ((vh_timeo[vh] == 0) && rbuf_idx[vh]) {
vh_set_rxint (vh);
sim_debug (DBG_TIM, &vh_dev, "vh_timersvc() - vh=%d, RX FIFO Timeout\n", vh);
}
}
}
}
@ -1242,8 +1254,10 @@ static t_stat vh_timersvc ( UNIT *uptr )
if (vh_csr[vh] & CSR_MASTER_RESET) {
if (vh_mcount[vh] != 0)
vh_mcount[vh] -= 1;
else
else {
vh_clear (vh, FALSE);
sim_debug (DBG_TIM, &vh_dev, "vh_timersvc() - vh=%d, Master Reset Complete\n", vh);
}
}
}
sim_clock_coschedule (uptr, tmxr_poll); /* requeue ourselves */
@ -1397,7 +1411,7 @@ static t_stat vh_reset ( DEVICE *dptr )
vh_dev.numunits = (vh_desc.lines / VH_LINES) + 1;
vh_timer_unit = &vh_unit[vh_dev.numunits-1];
vh_timer_unit->action = &vh_timersvc;
vh_timer_unit->flags = UNIT_DIS;
vh_timer_unit->flags = UNIT_DIS | UNIT_IDLE;
for (i = 0; i < vh_desc.lines/VH_LINES; i++) {
/* if Unibus, force DHU mode */
if (UNIBUS)
@ -1408,7 +1422,8 @@ static t_stat vh_reset ( DEVICE *dptr )
vh_rxi = vh_txi = 0;
CLR_INT (VHRX);
CLR_INT (VHTX);
sim_cancel (&vh_unit[0]);
sim_cancel (vh_poll_unit);
sim_cancel (vh_timer_unit);
vh_dib.lnt = (vh_desc.lines / VH_LINES) * IOLN_VH; /* set length */
return (auto_config (dptr->name, (dptr->flags & DEV_DIS) ? 0 : vh_desc.lines/VH_LINES));
}
@ -1417,7 +1432,7 @@ static t_stat vh_reset ( DEVICE *dptr )
static t_stat vh_attach ( UNIT *uptr,
CONST char *cptr )
{
if (uptr == &vh_unit[0])
if (uptr == vh_poll_unit)
return (tmxr_attach (&vh_desc, uptr, cptr));
return (SCPE_NOATT);
}