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Define a new sysarch call number ARM32_DRAIN_WRITEBUF that can be used 

to drain any CPU write buffer.
This commit is contained in:
mark 1997-10-05 22:58:26 +00:00
parent 3b844ee813
commit 9461d08a78
1 changed files with 6 additions and 4 deletions
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10
sys/arch/arm32/include/sysarch.h
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@ -1,4 +1,4 @@
/* $NetBSD: sysarch.h,v 1.2 1997/02/10 03:14:22 mark Exp $ */
/* $NetBSD: sysarch.h,v 1.3 1997/10/05 22:58:26 mark Exp $ */
/*
* Copyright (c) 1996-1997 Mark Brinicombe.
@ -40,14 +40,16 @@
*/
#define ARM32_SYNC_ICACHE 0
#define ARM32_DRAIN_WRITEBUF 1
struct arm32_sync_icache_args {
u_int addr;
int len;
u_int addr; /* Virtual start address */
int len; /* region size */
};
#ifndef _KERNEL
int arm32_sync_icache __P((u_int addr, int len));
int arm32_sync_icache __P((u_int addr, int len));
int arm32_drain_writebuf __P((void));
#endif
#endif /* !_ARM32_SYSARCH_H_ */