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Keep two states for pdma debugging. Turn debugging back on. Sigh.

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This commit is contained in:
briggs 1996-01-11 15:25:53 +00:00
parent 631612b677
commit 39f642161a
1 changed files with 23 additions and 15 deletions
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38
sys/arch/mac68k/dev/mac68k5380.c
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@ -1,4 +1,4 @@
/* $NetBSD: mac68k5380.c,v 1.15 1995/11/01 04:59:03 briggs Exp $ */
/* $NetBSD: mac68k5380.c,v 1.16 1996/01/11 15:25:53 briggs Exp $ */
/*
* Copyright (c) 1995 Allen Briggs
@ -175,13 +175,14 @@ int pdma_5380_dir = 0;
u_char *pending_5380_data;
u_long pending_5380_count;
/* #define DEBUG 1 Maybe we try with this off eventually. */
#define DEBUG 1 /* Maybe we try with this off eventually. */
#if DEBUG
int pdma_5380_sends = 0;
int pdma_5380_bytes = 0;
char *pdma_5380_state="";
char *pdma_5380_state="", *pdma_5380_prev_state="";
#define DBG_SET(x) {pdma_5380_prev_state=pdma_5380_state; pdma_5380_state=(x);}
void
pdma_stat()
@ -192,7 +193,8 @@ pdma_stat()
pdma_5380_dir);
printf("datap = 0x%x, remainder = %d.\n",
pending_5380_data, pending_5380_count);
printf("pdma_5380_state = %s.\n", pdma_5380_state);
printf("state = %s\n", pdma_5380_state);
printf("last state = %s\n", pdma_5380_prev_state);
}
#endif
@ -207,7 +209,7 @@ pdma_cleanup(void)
pdma_5380_dir = 0;
#if DEBUG
pdma_5380_state = "in pdma_cleanup().";
DBG_SET("in pdma_cleanup().")
pdma_5380_sends++;
pdma_5380_bytes+=(reqp->xdata_len - pending_5380_count);
#endif
@ -241,7 +243,13 @@ pdma_cleanup(void)
/*
* Back for more punishment.
*/
#if DEBUG
pdma_5380_state = "pdma_cleanup() -- going back to run_main().";
#endif
run_main(cur_softc);
#if DEBUG
pdma_5380_state = "pdma_cleanup() -- back from run_main().";
#endif
}
#endif
@ -255,7 +263,7 @@ extern u_char ncr5380_no_parchk;
if (pdma_5380_dir) {
#if DEBUG
pdma_5380_state = "got irq interrupt in xfer.";
DBG_SET("got irq interrupt in xfer.")
#endif
/*
* If Mr. IRQ isn't set one might wonder how we got
@ -358,7 +366,7 @@ extern int *nofault, mac68k_buserr_addr;
return;
#if DEBUG
pdma_5380_state = "got drq interrupt.";
DBG_SET("got drq interrupt.")
#endif
/*
@ -371,7 +379,7 @@ extern int *nofault, mac68k_buserr_addr;
if (setjmp((label_t *) nofault)) {
nofault = (int *) 0;
#if DEBUG
pdma_5380_state = "buserr in xfer.";
DBG_SET("buserr in xfer.")
#endif
count = ( (u_long) mac68k_buserr_addr
- (u_long) ncr_5380_with_drq);
@ -387,7 +395,7 @@ extern int *nofault, mac68k_buserr_addr;
pending_5380_count -= count;
#if DEBUG
pdma_5380_state = "handled bus error in xfer.";
DBG_SET("handled bus error in xfer.")
#endif
mac68k_buserr_addr = 0;
return;
@ -430,7 +438,7 @@ extern int *nofault, mac68k_buserr_addr;
pending_5380_data += (dcount - count);
pending_5380_count -= (dcount - count);
#if DEBUG
pdma_5380_state = "drq low";
DBG_SET("drq low")
#endif
return;
}
@ -524,7 +532,7 @@ extern int *nofault, mac68k_buserr_addr;
nofault = (int *) 0;
#if DEBUG
pdma_5380_state = "done in xfer--waiting.";
DBG_SET("done in xfer--waiting.")
#endif
/*
@ -540,7 +548,7 @@ extern int *nofault, mac68k_buserr_addr;
pending_5380_count = 0;
#if DEBUG
pdma_5380_state = "done in xfer.";
DBG_SET("done in xfer.")
#endif
pdma_cleanup();
@ -567,7 +575,7 @@ transfer_pdma(phasep, data, count)
"pending.\n");
}
#if DEBUG
pdma_5380_state = "in transfer_pdma.";
DBG_SET("in transfer_pdma.")
#endif
/*
@ -575,7 +583,7 @@ transfer_pdma(phasep, data, count)
*/
if (reqp->dr_flag & DRIVER_NOINT) {
#if DEBUG
pdma_5380_state = "pdma, actually using transfer_pio.";
DBG_SET("pdma, actually using transfer_pio.")
#endif
transfer_pio(phasep, data, count, 0);
return -1;
@ -630,7 +638,7 @@ transfer_pdma(phasep, data, count)
pending_5380_count = len;
#if DEBUG
pdma_5380_state = "wait for interrupt.";
DBG_SET("wait for interrupt.")
#endif
/*