patch-2.2.15 linux/arch/sparc64/kernel/setup.c

• Lines: 24
• Date: Fri Apr 21 12:45:48 2000
• Orig file: v2.2.14/arch/sparc64/kernel/setup.c
• Orig date: Tue Jan 4 21:18:43 2000

diff -u --new-file --recursive --exclude-from ../../exclude v2.2.14/arch/sparc64/kernel/setup.c linux/arch/sparc64/kernel/setup.c
@@ -1,4 +1,4 @@
-/*  $Id: setup.c,v 1.43.2.2 1999/10/24 17:29:20 davem Exp $
+/*  $Id: setup.c,v 1.43.2.3 2000/03/03 23:50:37 davem Exp $
  *  linux/arch/sparc64/kernel/setup.c
  *
  *  Copyright (C) 1995,1996  David S. Miller (davem@caip.rutgers.edu)
@@ -160,9 +160,17 @@
 		}
 
 		if ((va >= KERNBASE) && (va < (KERNBASE + (4 * 1024 * 1024)))) {
+			/* Spitfire Errata #32 workaround */
+			__asm__ __volatile__("stxa	%0, [%1] %2\n\t"
+					     "flush	%%g6"
+					     : /* No outputs */
+					     : "r" (0),
+					     "r" (PRIMARY_CONTEXT), "i" (ASI_DMMU));
+
 			/*
 			 * Locked down tlb entry 63.
 			 */
+
 			tte = spitfire_get_dtlb_data(63);
 			res = PROM_TRUE;
 			goto done;