diff options
Diffstat (limited to 'sys/i386/isa/icu.h')
-rw-r--r-- | sys/i386/isa/icu.h | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/sys/i386/isa/icu.h b/sys/i386/isa/icu.h index 488ad3e..13216b0 100644 --- a/sys/i386/isa/icu.h +++ b/sys/i386/isa/icu.h @@ -34,7 +34,7 @@ * SUCH DAMAGE. * * from: @(#)icu.h 5.6 (Berkeley) 5/9/91 - * $Id$ + * $Id: icu.h,v 1.2 1993/10/16 13:45:51 rgrimes Exp $ */ /* @@ -51,12 +51,6 @@ * Interrupt "level" mechanism variables, masks, and macros */ extern unsigned imen; /* interrupt mask enable */ -extern unsigned cpl; /* current priority level mask */ - -extern unsigned highmask; /* group of interrupts masked with splhigh() */ -extern unsigned ttymask; /* group of interrupts masked with spltty() */ -extern unsigned biomask; /* group of interrupts masked with splbio() */ -extern unsigned netmask; /* group of interrupts masked with splimp() */ #define INTREN(s) (imen &= ~(s), SET_ICUS()) #define INTRDIS(s) (imen |= (s), SET_ICUS()) @@ -74,7 +68,7 @@ extern unsigned netmask; /* group of interrupts masked with splimp() */ #endif /* - * Interrupt enable bits -- in order of priority + * Interrupt enable bits - in normal order of priority (which we change) */ #define IRQ0 0x0001 /* highest priority - timer */ #define IRQ1 0x0002 @@ -88,7 +82,7 @@ extern unsigned netmask; /* group of interrupts masked with splimp() */ #define IRQ13 0x2000 #define IRQ14 0x4000 #define IRQ15 0x8000 -#define IRQ3 0x0008 +#define IRQ3 0x0008 /* this is highest after rotation */ #define IRQ4 0x0010 #define IRQ5 0x0020 #define IRQ6 0x0040 |