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Wire CLKF_BASEPRI() to 0 on this platform. (See tech-kern.)

This commit is contained in:
mycroft 2002-05-08 18:45:49 +00:00
parent ae7f07a2ab
commit bfea3f39cb
1 changed files with 5 additions and 3 deletions
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8
sys/arch/i386/include/cpu.h
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@ -1,4 +1,4 @@
/* $NetBSD: cpu.h,v 1.78 2002/01/31 17:41:38 christos Exp $ */
/* $NetBSD: cpu.h,v 1.79 2002/05/08 18:45:49 mycroft Exp $ */
/*-
* Copyright (c) 1990 The Regents of the University of California.
@ -103,12 +103,14 @@ extern struct cpu_info cpu_info_store;
* encapsulate the previous machine state in an opaque
* clockframe; for now, use generic intrframe.
*
* XXX intrframe has a lot of gunk we don't need.
* Note: Since spllowersoftclock() does not actually unmask the currently
* running (hardclock) interrupt, CLKF_BASEPRI() *must* always be 0; otherwise
* we could stall hardclock ticks if another interrupt takes too long.
*/
#define clockframe intrframe
#define CLKF_USERMODE(frame) USERMODE((frame)->if_cs, (frame)->if_eflags)
#define CLKF_BASEPRI(frame) ((frame)->if_ppl == 0)
#define CLKF_BASEPRI(frame) (0)
#define CLKF_PC(frame) ((frame)->if_eip)
#define CLKF_INTR(frame) ((frame)->if_ppl & (1 << IPL_TAGINTR))