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* Remove IPL_NONE. This is no longer used. 

* Add IPL_HIGH. Alias IPL_HIGH to IPL_RTTY
* Define splrtty (used by the scn driver).
* Add iv_level and iv_mask to struct iv. These define the IPL at
  which the handler should run.
* intr_establish now takes *two* ipls. One at which the handler should run,
  and one in which the interrupt should get blocked.
This commit is contained in:
matthias 1996-12-23 08:37:41 +00:00
parent b01c5dfbcb
commit 4bd938a998
1 changed files with 17 additions and 10 deletions
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27
sys/arch/pc532/include/psl.h
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@ -1,4 +1,4 @@
/* $NetBSD: psl.h,v 1.17 1996/11/24 13:34:45 matthias Exp $ */
/* $NetBSD: psl.h,v 1.18 1996/12/23 08:37:41 matthias Exp $ */
/*-
* Copyright (c) 1990 The Regents of the University of California.
@ -69,15 +69,18 @@
/*
* Interrupt levels
*/
#define IPL_NONE -1
#define IPL_ZERO 0 /* level 0 */
#define IPL_BIO 1 /* block I/O */
#define IPL_NET 2 /* network */
#define IPL_TTY 3 /* terminal */
#define IPL_CLOCK 4 /* clock */
#define IPL_IMP 5 /* memory allocation */
#define NIPL 6 /* number of interrupt priority levels */
#define IPL_NAMES {"zero", "bio", "net", "tty", "clock", "imp"}
#define IPL_HIGH 1 /* block all interrupts */
#define IPL_BIO 2 /* block I/O */
#define IPL_NET 3 /* network */
#define IPL_TTY 4 /* terminal */
#define IPL_CLOCK 5 /* clock */
#define IPL_IMP 6 /* memory allocation */
#define NIPL 7 /* number of interrupt priority levels */
#define IPL_NAMES {"zero", "", "bio", "net", "tty", "clock", "imp"}
/* IPL_RTTY (for the scn driver) is the same as IPL_HIGH. */
#define IPL_RTTY IPL_HIGH
/*
* Preassigned software interrupts
@ -96,6 +99,8 @@
struct iv {
void (*iv_vec) __P((void *));
void *iv_arg;
int iv_level;
int iv_mask;
int iv_cnt;
char *iv_use;
};
@ -116,7 +121,8 @@ extern unsigned int imask[], Cur_pl, sirpending, astpending;
void intr_init __P((void));
void check_sir __P((void *));
int intr_establish __P((int, void (*)(void *), void *, char *, int, int));
int intr_establish __P((int, void (*)(void *), void *, char *,
int, int, int));
PSL_STATIC PSL_INLINE int splraise __P((unsigned int));
PSL_STATIC PSL_INLINE int splx __P((unsigned int));
@ -175,6 +181,7 @@ splx(ncpl)
#define spltty() splraise(imask[IPL_TTY])
#define splclock() splraise(imask[IPL_CLOCK])
#define splimp() splraise(imask[IPL_IMP])
#define splrtty() splraise(imask[IPL_RTTY])
#define splstatclock() splclock()
/*