patch-2.4.19 linux-2.4.19/arch/ia64/sn/kernel/sn_asm.S

• Lines: 149
• Date: Fri Aug 2 17:39:43 2002
• Orig file: linux-2.4.18/arch/ia64/sn/kernel/sn_asm.S
• Orig date: Wed Dec 31 16:00:00 1969

diff -urN linux-2.4.18/arch/ia64/sn/kernel/sn_asm.S linux-2.4.19/arch/ia64/sn/kernel/sn_asm.S
@@ -0,0 +1,148 @@
+
+/*
+ * Copyright (c) 2000-2001 Silicon Graphics, Inc.  All rights reserved.
+ */
+
+#include <linux/config.h>
+#ifdef CONFIG_IA64_SGI_AUTOTEST
+
+// Testing only.
+// Routine will cause MCAs
+//   zzzmsa(n)
+//      n=0 MCA via duplicate TLB dropin
+//      n=0 MCA via read of garbage address
+//
+
+#define ITIR(key, ps)           ((key<<8) | (ps<<2))
+#define TLB_PAGESIZE            28                      // Use 256MB pages for now.
+
+                        .global zzzmca
+                        .proc   zzzmca
+zzzmca:
+                        alloc   loc4       = ar.pfs,2,8,1,0;;
+                        cmp.ne  p6,p0=r32,r0;;
+                        movl    r2=0x2dead
+                        movl    r3=0x3dead
+                        movl    r15=0x15dead
+                        movl    r16=0x16dead
+                        movl    r31=0x31dead
+                        movl    loc0=0x34beef
+                        movl    loc1=0x35beef
+                        movl    loc2=0x36beef
+                        movl    loc3=0x37beef
+                        movl    out0=0x42beef
+
+                        movl    r20=0x32feed;;
+                        mov     ar32=r20
+                        movl    r20=0x36feed;;
+                        mov     ar36=r20
+                        movl    r20=0x65feed;;
+                        mov     ar65=r20
+                        movl    r20=0x66feed;;
+                        mov     ar66=r20
+
+(p6)                    br.cond.sptk    1f
+
+                        rsm      0x2000;;
+                        srlz.d;
+                        mov      r11      = 1
+                        mov      r3       = ITIR(0,TLB_PAGESIZE);;
+                        mov      cr.itir  = r3
+                        mov      r10      = 0;;
+                        itr.d    dtr[r11] = r10;;
+                        mov      r11      = 2
+
+                        itr.d    dtr[r11] = r10;;
+                        br      9f
+
+1:                      movl    r8=0xfe00000048;;
+                        ld8     r9=[r8];;
+                        mf
+                        mf.a
+                        srlz.d
+
+9:                      mov     ar.pfs=loc4
+                        br.ret.sptk     rp
+
+                        .endp   zzzmca
+
+                        .global zzzspec
+                        .proc   zzzspec
+zzzspec:
+			mov	r8=r32
+			movl	r9=0xe000000000000000
+			movl	r10=0x4000;;
+			ld8.s	r16=[r8];;
+			ld8.s	r17=[r9];;
+			add	r8=r8,r10;;
+			ld8.s	r18=[r8];;
+			add	r8=r8,r10;;
+			ld8.s	r19=[r8];;
+			add	r8=r8,r10;;
+			ld8.s	r20=[r8];;
+			mov	r8=r0
+			tnat.nz	p6,p0=r16
+			tnat.nz	p7,p0=r17
+			tnat.nz	p8,p0=r18
+			tnat.nz	p9,p0=r19
+			tnat.nz	p10,p0=r20;;
+		(p6)	dep	r8=-1,r8,0,1;;
+		(p7)	dep	r8=-1,r8,1,1;;
+		(p8)	dep	r8=-1,r8,2,1;;
+		(p9)	dep	r8=-1,r8,3,1;;
+		(p10)	dep	r8=-1,r8,4,1;;
+                        br.ret.sptk     rp
+                        .endp   zzzspec
+
+                        .global zzzspec2
+                        .proc   zzzspec2
+zzzspec2:
+			cmp.eq	p6,p7=r2,r2
+			movl	r16=0xc0000a0001000020
+			;;
+			mf
+			;;
+			ld8	r9=[r16]
+		(p6)	br.spnt	1f
+			ld8	r10=[r32]
+			;;
+		1:	mf.a
+			mf
+
+			ld8	r9=[r16];;
+			cmp.ne	p6,p7=r9,r16
+		(p6)	br.spnt	1f
+			ld8	r10=[r32]
+			;;
+		1:	mf.a
+			mf
+
+			ld8	r9=[r33];;
+			cmp.ne	p6,p7=r9,r33
+		(p6)	br.spnt	1f
+			ld8	r10=[r32]
+			;;
+		1:	mf.a
+			mf
+
+			tpa	r23=r32
+			add	r20=512,r33
+			add	r21=1024,r33;;
+			ld8	r9=[r20]
+			ld8	r10=[r21];;
+			nop.i	0
+			{ .mib
+			nop.m 0
+			cmp.ne	p6,p7=r10,r33
+		(p6)	br.spnt	1f
+			}
+			ld8	r10=[r32]
+			;;
+		1:	mf.a
+			mf
+			br.ret.sptk     rp
+
+                        .endp   zzzspec
+
+#endif
+