patch-1.3.71 linux/arch/sparc/mm/sun4c_vac.c
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- Lines: 38
- Date:
Thu Jan 1 02:00:00 1970
- Orig file:
v1.3.70/linux/arch/sparc/mm/sun4c_vac.c
- Orig date:
Sat Nov 25 19:04:38 1995
diff -u --recursive --new-file v1.3.70/linux/arch/sparc/mm/sun4c_vac.c linux/arch/sparc/mm/sun4c_vac.c
@@ -1,37 +0,0 @@
-/* $Id: sun4c_vac.c,v 1.5 1995/11/25 00:59:43 davem Exp $
- * vac.c: Routines for flushing various amount of the Sparc VAC
- * (virtual address cache) on the sun4c.
- *
- * Copyright (C) 1994 David S. Miller (davem@caip.rutgers.edu)
- */
-
-#include <linux/kernel.h>
-
-#include <asm/asi.h>
-#include <asm/contregs.h>
-#include <asm/vac-ops.h>
-#include <asm/page.h>
-
-struct sun4c_vac_props sun4c_vacinfo;
-
-/* Invalidate the entire sun4c VAC, it must be off at this point */
-void
-sun4c_flush_all(void)
-{
- unsigned long begin, end;
-
- if(sun4c_vacinfo.on)
- panic("SUN4C: AIEEE, trying to invalidate vac while"
- " it is on.");
-
- /* Clear 'valid' bit in all cache line tags */
- begin = AC_CACHETAGS;
- end = (AC_CACHETAGS + sun4c_vacinfo.num_bytes);
- while(begin < end) {
- __asm__ __volatile__("sta %%g0, [%0] %1\n\t" : :
- "r" (begin), "i" (ASI_CONTROL));
- begin += sun4c_vacinfo.linesize;
- }
- return;
-}
-
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