patch-2.1.16 linux/arch/sparc/kernel/wuf.S
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- Lines: 30
- Date:
Fri Dec 13 11:37:31 1996
- Orig file:
v2.1.15/linux/arch/sparc/kernel/wuf.S
- Orig date:
Tue Nov 12 15:56:03 1996
diff -u --recursive --new-file v2.1.15/linux/arch/sparc/kernel/wuf.S linux/arch/sparc/kernel/wuf.S
@@ -1,4 +1,4 @@
-/* $Id: wuf.S,v 1.27 1996/10/11 01:00:06 davem Exp $
+/* $Id: wuf.S,v 1.28 1996/12/10 06:06:20 davem Exp $
* wuf.S: Window underflow trap handler for the Sparc.
*
* Copyright (C) 1995 David S. Miller
@@ -338,14 +338,21 @@
mov AC_M_SFSR, %twin_tmp2
lda [%twin_tmp2] ASI_M_MMUREGS, %twin_tmp2 ! read fault status
andcc %twin_tmp2, 0x2, %g0 ! did fault occur?
- be,a fwin_user_finish_up + 0x4
- wr %t_psr, 0x0, %psr
+
+ bne 1f ! yep, cleanup
+ nop
+
+ wr %t_psr, 0x0, %psr
+ WRITE_PAUSE
+ b fwin_user_finish_up + 0x4
+ nop
/* Did I ever tell you about my window lobotomy?
* anyways... fwin_user_stack_is_bolixed expects
* to be in window 'W' so make it happy or else
* we watchdog badly.
*/
+1:
restore %g0, %g0, %g0
b fwin_user_stack_is_bolixed ! oh well
restore %g0, %g0, %g0
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