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Load microcode file on 11/750.

This commit is contained in:
ragge 1995-09-16 15:54:20 +00:00
parent 864f186a4e
commit 01c7626f80
1 changed files with 11 additions and 15 deletions
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26
sys/arch/vax/boot/boot.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: boot.c,v 1.3 1995/06/16 15:06:50 ragge Exp $ */
/* $NetBSD: boot.c,v 1.4 1995/09/16 15:54:20 ragge Exp $ */
/*-
* Copyright (c) 1982, 1986 The Regents of the University of California.
* All rights reserved.
@ -58,18 +58,16 @@ main()
io=0;
bootdev=bdev;
#ifdef JUSTASK
howto = RB_ASKNAME|RB_SINGLE;
#else
autoconf();
if ((howto & RB_ASKNAME) == 0) {
type = (devtype >> B_TYPESHIFT) & B_TYPEMASK;
if ((unsigned)type < ndevs && devsw[type].dv_name)
strcpy(line, UNIX);
strcpy(line, "/netbsd");
else
howto |= RB_SINGLE|RB_ASKNAME;
}
#endif
for (retry = 0;;) {
if (io >= 0)
printf("\nNboot\n");
@ -77,16 +75,14 @@ main()
printf(": ");
gets(line);
if (line[0] == 0) {
strcpy(line, UNIX);
strcpy(line, "/netbsd");
printf(": %s\n", line);
}
} else
printf(": %s\n", line);
io = open(line, 0);
if (io >= 0) {
#ifdef VAX750
loadpcs();
#endif
copyunix(howto, opendev, io);
close(io);
howto |= RB_SINGLE|RB_ASKNAME;
@ -150,14 +146,13 @@ copyunix(howto, devtype, aio)
for (i = 0; i < 128*512; i++) /* slop */
*addr++ = 0;
printf(" start 0x%x\n", (x.a_entry&0x7fffffff));
hoppabort((x.a_entry&0x7fffffff),howto,devtype,esym);
hoppabort((x.a_entry&0x7fffffff),howto, devtype, esym);
return;
shread:
printf("Short read\n");
return;
}
#ifdef VAX750
/* 750 Patchable Control Store magic */
#include "../include/mtpr.h"
@ -185,11 +180,11 @@ loadpcs()
register int *jp; /* known to be r9 below */
register int j;
static int pcsdone = 0;
int mid=mfpr(PR_SID);
int mid = mfpr(PR_SID);
char pcs[100];
char *cp;
if (MACHID(mid) !=VAX_750 || V750UCODE(mid)<95 || pcsdone)
if ((mid >> 24) != VAX_750 || ((mid >> 8) & 255) < 95 || pcsdone)
return;
printf("Updating 11/750 microcode: ");
for (cp = line; *cp; cp++)
@ -203,8 +198,10 @@ loadpcs()
i = 0;
strcpy(pcs + i, "pcs750.bin");
i = open(pcs, 0);
if (i < 0)
if (i < 0) {
printf("bad luck - missing pcs750.bin :-(\n");
return;
}
/*
* We ask for more than we need to be sure we get only what we expect.
* After read:
@ -250,4 +247,3 @@ loadpcs()
printf("new rev level=%d\n", V750UCODE(mid));
pcsdone = 1;
}
#endif