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Add macros for the CPU functions disable_interrupts(), enable_interrupts() 

and restore_interrupts().
This commit is contained in:
mark 1998-02-21 23:17:05 +00:00
parent ccb81fe3d3
commit 24aaa5f9dd
1 changed files with 14 additions and 1 deletions
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15
sys/arch/arm32/include/cpufunc.h
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@ -1,4 +1,4 @@
/* $NetBSD: cpufunc.h,v 1.6 1998/01/19 23:51:01 mark Exp $ */
/* $NetBSD: cpufunc.h,v 1.7 1998/02/21 23:17:05 mark Exp $ */
/*
* Copyright (c) 1997 Mark Brinicombe.
@ -274,6 +274,19 @@ void sa110_setup __P((char *string));
#define sync_icache cpu_cache_syncI
#define drain_writebuf cpu_drain_writebuf
/*
* Macros for manipulating CPU interrupts
*/
#define disable_interrupts(mask) \
(SetCPSR((mask) & (I32_bit | F32_bit), (mask) & (I32_bit | F32_bit)))
#define enable_interrupts(mask) \
(SetCPSR((mask) & (I32_bit | F32_bit), 0))
#define restore_interrupts(old_cpsr) \
(SetCPSR((I32_bit | F32_bit), (old_cpsr) & (I32_bit | F32_bit)))
/*
* Functions to manipulate the CPSR
* (in arm32/arm32/setcpsr.S)