1 files changed, 97 insertions, 0 deletions
diff --git a/arch/sparc/kernel/misctrap.S b/arch/sparc/kernel/misctrap.S
new file mode 100644
index 000000000000..753b4f031bfb
--- /dev/null
+++ b/arch/sparc/kernel/misctrap.S
@@ -0,0 +1,97 @@
+#ifdef CONFIG_KGDB
+        .globl          arch_kgdb_breakpoint
+        .type           arch_kgdb_breakpoint,#function
+arch_kgdb_breakpoint:
+        ta              0x72
+        retl
+         nop
+        .size           arch_kgdb_breakpoint,.-arch_kgdb_breakpoint
+#endif
+        .type           __do_privact,#function
+__do_privact:
+        mov             TLB_SFSR, %g3
+        stxa            %g0, [%g3] ASI_DMMU     ! Clear FaultValid bit
+        membar          #Sync
+        sethi           %hi(109f), %g7
+        ba,pt           %xcc, etrap
+109:    or              %g7, %lo(109b), %g7
+        call            do_privact
+         add            %sp, PTREGS_OFF, %o0
+        ba,pt           %xcc, rtrap
+         nop
+        .size           __do_privact,.-__do_privact
+        .type           do_mna,#function
+do_mna:
+        rdpr            %tl, %g3
+        cmp             %g3, 1
+        /* Setup %g4/%g5 now as they are used in the
+         * winfixup code.
+         */
+        mov             TLB_SFSR, %g3
+        mov             DMMU_SFAR, %g4
+        ldxa            [%g4] ASI_DMMU, %g4
+        ldxa            [%g3] ASI_DMMU, %g5
+        stxa            %g0, [%g3] ASI_DMMU     ! Clear FaultValid bit
+        membar          #Sync
+        bgu,pn          %icc, winfix_mna
+         rdpr           %tpc, %g3
+1:      sethi           %hi(109f), %g7
+        ba,pt           %xcc, etrap
+109:     or             %g7, %lo(109b), %g7
+        mov             %l4, %o1
+        mov             %l5, %o2
+        call            mem_address_unaligned
+         add            %sp, PTREGS_OFF, %o0
+        ba,pt           %xcc, rtrap
+         nop
+        .size           do_mna,.-do_mna
+        .type           do_lddfmna,#function
+do_lddfmna:
+        sethi           %hi(109f), %g7
+        mov             TLB_SFSR, %g4
+        ldxa            [%g4] ASI_DMMU, %g5
+        stxa            %g0, [%g4] ASI_DMMU     ! Clear FaultValid bit
+        membar          #Sync
+        mov             DMMU_SFAR, %g4
+        ldxa            [%g4] ASI_DMMU, %g4
+        ba,pt           %xcc, etrap
+109:     or             %g7, %lo(109b), %g7
+        mov             %l4, %o1
+        mov             %l5, %o2
+        call            handle_lddfmna
+         add            %sp, PTREGS_OFF, %o0
+        ba,pt           %xcc, rtrap
+         nop
+        .size           do_lddfmna,.-do_lddfmna
+        .type           do_stdfmna,#function
+do_stdfmna:
+        sethi           %hi(109f), %g7
+        mov             TLB_SFSR, %g4
+        ldxa            [%g4] ASI_DMMU, %g5
+        stxa            %g0, [%g4] ASI_DMMU     ! Clear FaultValid bit
+        membar          #Sync
+        mov             DMMU_SFAR, %g4
+        ldxa            [%g4] ASI_DMMU, %g4
+        ba,pt           %xcc, etrap
+109:     or             %g7, %lo(109b), %g7
+        mov             %l4, %o1
+        mov             %l5, %o2
+        call            handle_stdfmna
+         add            %sp, PTREGS_OFF, %o0
+        ba,pt           %xcc, rtrap
+         nop
+        .size           do_stdfmna,.-do_stdfmna
+        .type           breakpoint_trap,#function
+breakpoint_trap:
+        call            sparc_breakpoint
+         add            %sp, PTREGS_OFF, %o0
+        ba,pt           %xcc, rtrap
+         nop
+        .size           breakpoint_trap,.-breakpoint_trap

diff --git a/arch/sparc/kernel/misctrap.S b/arch/sparc/kernel/misctrap.S new file mode 100644 index 000000000000..753b4f031bfb --- /dev/null +++ b/arch/sparc/kernel/misctrap.S
@@ -0,0 +1,97 @@
	1	#ifdef CONFIG_KGDB
	2	.globl arch_kgdb_breakpoint
	3	.type arch_kgdb_breakpoint,#function
	4	arch_kgdb_breakpoint:
	5	ta 0x72
	6	retl
	7	nop
	8	.size arch_kgdb_breakpoint,.-arch_kgdb_breakpoint
	9	#endif
	10
	11	.type __do_privact,#function
	12	__do_privact:
	13	mov TLB_SFSR, %g3
	14	stxa %g0, [%g3] ASI_DMMU ! Clear FaultValid bit
	15	membar #Sync
	16	sethi %hi(109f), %g7
	17	ba,pt %xcc, etrap
	18	109: or %g7, %lo(109b), %g7
	19	call do_privact
	20	add %sp, PTREGS_OFF, %o0
	21	ba,pt %xcc, rtrap
	22	nop
	23	.size __do_privact,.-__do_privact
	24
	25	.type do_mna,#function
	26	do_mna:
	27	rdpr %tl, %g3
	28	cmp %g3, 1
	29
	30	/* Setup %g4/%g5 now as they are used in the
	31	* winfixup code.
	32	*/
	33	mov TLB_SFSR, %g3
	34	mov DMMU_SFAR, %g4
	35	ldxa [%g4] ASI_DMMU, %g4
	36	ldxa [%g3] ASI_DMMU, %g5
	37	stxa %g0, [%g3] ASI_DMMU ! Clear FaultValid bit
	38	membar #Sync
	39	bgu,pn %icc, winfix_mna
	40	rdpr %tpc, %g3
	41
	42	1: sethi %hi(109f), %g7
	43	ba,pt %xcc, etrap
	44	109: or %g7, %lo(109b), %g7
	45	mov %l4, %o1
	46	mov %l5, %o2
	47	call mem_address_unaligned
	48	add %sp, PTREGS_OFF, %o0
	49	ba,pt %xcc, rtrap
	50	nop
	51	.size do_mna,.-do_mna
	52
	53	.type do_lddfmna,#function
	54	do_lddfmna:
	55	sethi %hi(109f), %g7
	56	mov TLB_SFSR, %g4
	57	ldxa [%g4] ASI_DMMU, %g5
	58	stxa %g0, [%g4] ASI_DMMU ! Clear FaultValid bit
	59	membar #Sync
	60	mov DMMU_SFAR, %g4
	61	ldxa [%g4] ASI_DMMU, %g4
	62	ba,pt %xcc, etrap
	63	109: or %g7, %lo(109b), %g7
	64	mov %l4, %o1
	65	mov %l5, %o2
	66	call handle_lddfmna
	67	add %sp, PTREGS_OFF, %o0
	68	ba,pt %xcc, rtrap
	69	nop
	70	.size do_lddfmna,.-do_lddfmna
	71
	72	.type do_stdfmna,#function
	73	do_stdfmna:
	74	sethi %hi(109f), %g7
	75	mov TLB_SFSR, %g4
	76	ldxa [%g4] ASI_DMMU, %g5
	77	stxa %g0, [%g4] ASI_DMMU ! Clear FaultValid bit
	78	membar #Sync
	79	mov DMMU_SFAR, %g4
	80	ldxa [%g4] ASI_DMMU, %g4
	81	ba,pt %xcc, etrap
	82	109: or %g7, %lo(109b), %g7
	83	mov %l4, %o1
	84	mov %l5, %o2
	85	call handle_stdfmna
	86	add %sp, PTREGS_OFF, %o0
	87	ba,pt %xcc, rtrap
	88	nop
	89	.size do_stdfmna,.-do_stdfmna
	90
	91	.type breakpoint_trap,#function
	92	breakpoint_trap:
	93	call sparc_breakpoint
	94	add %sp, PTREGS_OFF, %o0
	95	ba,pt %xcc, rtrap
	96	nop
	97	.size breakpoint_trap,.-breakpoint_trap