diff options
Diffstat (limited to 'sys/arch/mvme88k/mvme88k/machdep.c')
| -rw-r--r-- | sys/arch/mvme88k/mvme88k/machdep.c | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/sys/arch/mvme88k/mvme88k/machdep.c b/sys/arch/mvme88k/mvme88k/machdep.c index 5e699cf7929..d483aa4ebb3 100644 --- a/sys/arch/mvme88k/mvme88k/machdep.c +++ b/sys/arch/mvme88k/mvme88k/machdep.c @@ -1,4 +1,4 @@ -/* $OpenBSD: machdep.c,v 1.217 2009/02/08 21:59:21 miod Exp $ */ +/* $OpenBSD: machdep.c,v 1.218 2009/02/13 23:26:51 miod Exp $ */ /* * Copyright (c) 1998, 1999, 2000, 2001 Steve Murphree, Jr. * Copyright (c) 1996 Nivas Madhur @@ -80,6 +80,7 @@ #ifdef MVME188 #include <mvme88k/dev/sysconvar.h> #endif +#include <mvme88k/mvme88k/clockvar.h> #include <dev/cons.h> @@ -96,6 +97,7 @@ caddr_t allocsys(caddr_t); void consinit(void); +void dumb_delay(int); void dumpconf(void); void dumpsys(void); int getcpuspeed(struct mvmeprom_brdid *); @@ -129,6 +131,7 @@ u_int (*md_raiseipl)(u_int); #ifdef MULTIPROCESSOR void (*md_send_ipi)(int, cpuid_t); #endif +void (*md_delay)(int) = dumb_delay; int physmem; /* available physical memory, in pages */ @@ -173,6 +176,20 @@ vaddr_t virtual_avail, virtual_end; extern struct user *proc0paddr; +struct intrhand clock_ih; +struct intrhand statclock_ih; + +/* + * Statistics clock interval and variance, in usec. Variance must be a + * power of two. Since this gives us an even number, not an odd number, + * we discard one case and compensate. That is, a variance of 4096 would + * give us offsets in [0..4095]. Instead, we take offsets in [1..4095]. + * This is symmetric about the point 2048, or statvar/2, and thus averages + * to that value (assuming uniform random numbers). + */ +int statvar = 8192; +int statmin; /* statclock interval - 1/2*variance */ + /* * This is to fake out the console routines, while booting. */ @@ -1185,3 +1202,15 @@ m88k_broadcast_ipi(int ipi) } #endif + +void +delay(int us) +{ + (*md_delay)(us); +} + +/* delay() routine used until a proper routine is set up */ +void +dumb_delay(int us) +{ +} |