projects
/
unix-history
/ blobdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
tags
|
clone url
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
raw
|
inline
| side by side
remember dma count, as can't calculate correctly on Emulex;
[unix-history]
/
usr
/
src
/
sys
/
vax
/
uba
/
uba.c
diff --git
a/usr/src/sys/vax/uba/uba.c
b/usr/src/sys/vax/uba/uba.c
index
5ad920e
..
ba9d9ad
100644
(file)
--- a/
usr/src/sys/vax/uba/uba.c
+++ b/
usr/src/sys/vax/uba/uba.c
@@
-1,4
+1,10
@@
-/* uba.c 6.3 85/01/18 */
+/*
+ * Copyright (c) 1982 Regents of the University of California.
+ * All rights reserved. The Berkeley software License Agreement
+ * specifies the terms and conditions for redistribution.
+ *
+ * @(#)uba.c 6.10 (Berkeley) %G%
+ */
#include "../machine/pte.h"
#include "../machine/pte.h"
@@
-20,10
+26,12
@@
#include "ubareg.h"
#include "ubavar.h"
#include "ubareg.h"
#include "ubavar.h"
-#if
VAX780
+#if
defined(VAX780) || defined(VAX8600)
char ubasr_bits[] = UBASR_BITS;
#endif
char ubasr_bits[] = UBASR_BITS;
#endif
+#define spluba spl7 /* IPL 17 */
+
/*
* Do transfer on device argument. The controller
* and uba involved are implied by the device.
/*
* Do transfer on device argument. The controller
* and uba involved are implied by the device.
@@
-45,7
+53,7
@@
ubago(ui)
register int s, unit;
uh = &uba_hd[um->um_ubanum];
register int s, unit;
uh = &uba_hd[um->um_ubanum];
- s = spl
6
();
+ s = spl
uba
();
if (um->um_driver->ud_xclu && uh->uh_users > 0 || uh->uh_xclu)
goto rwait;
um->um_ubinfo = ubasetup(um->um_ubanum, um->um_tab.b_actf->b_actf,
if (um->um_driver->ud_xclu && uh->uh_users > 0 || uh->uh_xclu)
goto rwait;
um->um_ubinfo = ubasetup(um->um_ubanum, um->um_tab.b_actf->b_actf,
@@
-105,7
+113,7
@@
ubasetup(uban, bp, flags)
struct buf *bp;
{
register struct uba_hd *uh = &uba_hd[uban];
struct buf *bp;
{
register struct uba_hd *uh = &uba_hd[uban];
-
register int
temp;
+
int pfnum,
temp;
int npf, reg, bdp;
unsigned v;
register struct pte *pte, *io;
int npf, reg, bdp;
unsigned v;
register struct pte *pte, *io;
@@
-119,7
+127,7
@@
ubasetup(uban, bp, flags)
v = btop(bp->b_un.b_addr);
o = (int)bp->b_un.b_addr & PGOFSET;
npf = btoc(bp->b_bcount + o) + 1;
v = btop(bp->b_un.b_addr);
o = (int)bp->b_un.b_addr & PGOFSET;
npf = btoc(bp->b_bcount + o) + 1;
- a = spl
6
();
+ a = spl
uba
();
while ((reg = rmalloc(uh->uh_map, (long)npf)) == 0) {
if (flags & UBA_CANTWAIT) {
splx(a);
while ((reg = rmalloc(uh->uh_map, (long)npf)) == 0) {
if (flags & UBA_CANTWAIT) {
splx(a);
@@
-139,7
+147,7
@@
ubasetup(uban, bp, flags)
}
bdp = 0;
if (flags & UBA_NEEDBDP) {
}
bdp = 0;
if (flags & UBA_NEEDBDP) {
- while ((bdp = ffs(uh->uh_bdpfree)) == 0) {
+ while ((bdp = ffs(
(long)
uh->uh_bdpfree)) == 0) {
if (flags & UBA_CANTWAIT) {
rmfree(uh->uh_map, (long)npf, (long)reg);
splx(a);
if (flags & UBA_CANTWAIT) {
rmfree(uh->uh_map, (long)npf, (long)reg);
splx(a);
@@
-168,9
+176,11
@@
ubasetup(uban, bp, flags)
pte = vtopte(rp, v);
io = &uh->uh_uba->uba_map[reg];
while (--npf != 0) {
pte = vtopte(rp, v);
io = &uh->uh_uba->uba_map[reg];
while (--npf != 0) {
- if (pte->pg_pfnum == 0)
+ pfnum = pte->pg_pfnum;
+ if (pfnum == 0)
panic("uba zero uentry");
panic("uba zero uentry");
- *(int *)io++ = pte++->pg_pfnum | temp;
+ pte++;
+ *(int *)io++ = pfnum | temp;
}
*(int *)io++ = 0;
return (ubinfo);
}
*(int *)io++ = 0;
return (ubinfo);
@@
-209,7
+219,7
@@
ubarelse(uban, amr)
* Carefully see if we should release the space, since
* it may be released asynchronously at uba reset time.
*/
* Carefully see if we should release the space, since
* it may be released asynchronously at uba reset time.
*/
- s = spl
6
();
+ s = spl
uba
();
mr = *amr;
if (mr == 0) {
/*
mr = *amr;
if (mr == 0) {
/*
@@
-223,7
+233,8
@@
ubarelse(uban, amr)
bdp = (mr >> 28) & 0x0f;
if (bdp) {
switch (cpu) {
bdp = (mr >> 28) & 0x0f;
if (bdp) {
switch (cpu) {
-#if VAX780
+#if defined(VAX780) || defined(VAX8600)
+ case VAX_8600:
case VAX_780:
uh->uh_uba->uba_dpr[bdp] |= UBADPR_BNE;
break;
case VAX_780:
uh->uh_uba->uba_dpr[bdp] |= UBADPR_BNE;
break;
@@
-272,7
+283,8
@@
ubapurge(um)
register int bdp = (um->um_ubinfo >> 28) & 0x0f;
switch (cpu) {
register int bdp = (um->um_ubinfo >> 28) & 0x0f;
switch (cpu) {
-#if VAX780
+#if defined(VAX780) || defined(VAX8600)
+ case VAX_8600:
case VAX_780:
uh->uh_uba->uba_dpr[bdp] |= UBADPR_BNE;
break;
case VAX_780:
uh->uh_uba->uba_dpr[bdp] |= UBADPR_BNE;
break;
@@
-291,7
+303,8
@@
ubainitmaps(uhp)
rminit(uhp->uh_map, (long)NUBMREG, (long)1, "uba", UAMSIZ);
switch (cpu) {
rminit(uhp->uh_map, (long)NUBMREG, (long)1, "uba", UAMSIZ);
switch (cpu) {
-#if VAX780
+#if defined(VAX780) || defined(VAX8600)
+ case VAX_8600:
case VAX_780:
uhp->uh_bdpfree = (1<<NBDP780) - 1;
break;
case VAX_780:
uhp->uh_bdpfree = (1<<NBDP780) - 1;
break;
@@
-320,7
+333,7
@@
ubareset(uban)
register struct uba_hd *uh = &uba_hd[uban];
int s;
register struct uba_hd *uh = &uba_hd[uban];
int s;
- s = spl
6
();
+ s = spl
uba
();
uh->uh_users = 0;
uh->uh_zvcnt = 0;
uh->uh_xclu = 0;
uh->uh_users = 0;
uh->uh_zvcnt = 0;
uh->uh_xclu = 0;
@@
-335,9
+348,7
@@
ubareset(uban)
ubameminit(uban);
for (cdp = cdevsw; cdp < cdevsw + nchrdev; cdp++)
(*cdp->d_reset)(uban);
ubameminit(uban);
for (cdp = cdevsw; cdp < cdevsw + nchrdev; cdp++)
(*cdp->d_reset)(uban);
-#ifdef INET
ifubareset(uban);
ifubareset(uban);
-#endif
printf("\n");
splx(s);
}
printf("\n");
splx(s);
}
@@
-355,7
+366,8
@@
ubainit(uba)
{
switch (cpu) {
{
switch (cpu) {
-#if VAX780
+#if defined(VAX780) || defined(VAX8600)
+ case VAX_8600:
case VAX_780:
uba->uba_cr = UBACR_ADINIT;
uba->uba_cr = UBACR_IFS|UBACR_BRIE|UBACR_USEFIE|UBACR_SUEFIE;
case VAX_780:
uba->uba_cr = UBACR_ADINIT;
uba->uba_cr = UBACR_IFS|UBACR_BRIE|UBACR_USEFIE|UBACR_SUEFIE;
@@
-380,15
+392,13
@@
ubainit(uba)
}
}
}
}
-#if
def VAX780
+#if
defined(VAX780) || defined(VAX8600)
int ubawedgecnt = 10;
int ubacrazy = 500;
int zvcnt_max = 5000; /* in 8 sec */
int ubawedgecnt = 10;
int ubacrazy = 500;
int zvcnt_max = 5000; /* in 8 sec */
-int zvcnt_total;
-long zvcnt_time;
/*
/*
- * This routine is called by the locore code to
- *
process a UBA error on an 11/78
0. The arguments are passed
+ * This routine is called by the locore code to
process a UBA
+ *
error on an 11/780 or 860
0. The arguments are passed
* on the stack, and value-result (through some trickery).
* In particular, the uvec argument is used for further
* uba processing so the result aspect of it is very important.
* on the stack, and value-result (through some trickery).
* In particular, the uvec argument is used for further
* uba processing so the result aspect of it is very important.
@@
-404,10
+414,15
@@
ubaerror(uban, uh, ipl, uvec, uba)
register sr, s;
if (uvec == 0) {
register sr, s;
if (uvec == 0) {
- long dt = time.tv_sec - zvcnt_time;
- zvcnt_total++;
+ /*
+ * Declare dt as unsigned so that negative values
+ * are handled as >8 below, in case time was set back.
+ */
+ u_long dt = time.tv_sec - uh->uh_zvtime;
+
+ uh->uh_zvtotal++;
if (dt > 8) {
if (dt > 8) {
-
zvcnt_
time = time.tv_sec;
+
uh->uh_zv
time = time.tv_sec;
uh->uh_zvcnt = 0;
}
if (++uh->uh_zvcnt > zvcnt_max) {
uh->uh_zvcnt = 0;
}
if (++uh->uh_zvcnt > zvcnt_max) {
@@
-432,7
+447,7
@@
ubaerror(uban, uh, ipl, uvec, uba)
return;
}
sr = uba->uba_sr;
return;
}
sr = uba->uba_sr;
- s = spl
7
();
+ s = spl
uba
();
printf("uba%d: uba error sr=%b fmer=%x fubar=%o\n",
uban, uba->uba_sr, ubasr_bits, uba->uba_fmer, 4*uba->uba_fubar);
splx(s);
printf("uba%d: uba error sr=%b fmer=%x fubar=%o\n",
uban, uba->uba_sr, ubasr_bits, uba->uba_fmer, 4*uba->uba_fubar);
splx(s);
@@
-485,13
+500,13
@@
ubameminit(uban)
ui->ui_addr = addr;
}
}
ui->ui_addr = addr;
}
}
-#if
VAX780
+#if
defined(VAX780) || defined(VAX8600)
/*
* On a 780, throw away any map registers disabled by rounding
* the map disable in the configuration register
* up to the next 8K boundary, or below the last unibus memory.
*/
/*
* On a 780, throw away any map registers disabled by rounding
* the map disable in the configuration register
* up to the next 8K boundary, or below the last unibus memory.
*/
- if (
cpu == VAX_780
) {
+ if (
(cpu == VAX_780) || (cpu == VAX_8600)
) {
register i;
i = btop(((uh->uh_lastmem + 8191) / 8192) * 8192);
register i;
i = btop(((uh->uh_lastmem + 8191) / 8192) * 8192);
@@
-520,7
+535,7
@@
ubamem(uban, addr, npg, doalloc)
int s;
a = (addr >> 9) + 1;
int s;
a = (addr >> 9) + 1;
- s = spl
6
();
+ s = spl
uba
();
if (doalloc)
a = rmget(uh->uh_map, npg, a);
else
if (doalloc)
a = rmget(uh->uh_map, npg, a);
else
@@
-537,7
+552,7
@@
ubamem(uban, addr, npg, doalloc)
uh->uh_lastmem = i;
else if (doalloc == 0 && i == uh->uh_lastmem)
uh->uh_lastmem = addr;
uh->uh_lastmem = i;
else if (doalloc == 0 && i == uh->uh_lastmem)
uh->uh_lastmem = addr;
-#if
VAX780
+#if
defined(VAX780) || defined(VAX8600)
/*
* On a 780, set up the map register disable
* field in the configuration register. Beware
/*
* On a 780, set up the map register disable
* field in the configuration register. Beware
@@
-545,7
+560,7
@@
ubamem(uban, addr, npg, doalloc)
* or in sections other than 8K multiples.
* Ubameminit handles such requests properly, however.
*/
* or in sections other than 8K multiples.
* Ubameminit handles such requests properly, however.
*/
- if (
cpu == VAX_780
) {
+ if (
(cpu == VAX_780) || (cpu == VAX_8600)
) {
i = uh->uh_uba->uba_cr &~ 0x7c000000;
i |= ((uh->uh_lastmem + 8191) / 8192) << 26;
uh->uh_uba->uba_cr = i;
i = uh->uh_uba->uba_cr &~ 0x7c000000;
i |= ((uh->uh_lastmem + 8191) / 8192) << 26;
uh->uh_uba->uba_cr = i;
@@
-556,7
+571,8
@@
ubamem(uban, addr, npg, doalloc)
}
#include "ik.h"
}
#include "ik.h"
-#if NIK > 0
+#include "vs.h"
+#if NIK > 0 || NVS > 0
/*
* Map a virtual address into users address space. Actually all we
* do is turn on the user mode write protection bits for the particular
/*
* Map a virtual address into users address space. Actually all we
* do is turn on the user mode write protection bits for the particular
projects / unix-history / blobdiff