powerpc/64s: Consolidate Vector Unavailable 0xf20 interrupt

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

1 files changed, 37 insertions, 39 deletions

diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index 5566f218734a..5b81ecf7c1a7 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -1035,6 +1035,43 @@ EXC_COMMON_ASYNC(performance_monitor_common, 0xf00, performance_monitor_exceptio
 
 
 __EXC_REAL_OOL(altivec_unavailable, 0xf20, 0xf40)
+__TRAMP_REAL_REAL_OOL(altivec_unavailable, 0xf20)
+__EXC_VIRT_OOL(altivec_unavailable, 0x4f20, 0x4f40)
+__TRAMP_REAL_VIRT_OOL(altivec_unavailable, 0xf20)
+TRAMP_KVM(PACA_EXGEN, 0xf20)
+EXC_COMMON_BEGIN(altivec_unavailable_common)
+        EXCEPTION_PROLOG_COMMON(0xf20, PACA_EXGEN)
+#ifdef CONFIG_ALTIVEC
+BEGIN_FTR_SECTION
+        beq     1f
+#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
+  BEGIN_FTR_SECTION_NESTED(69)
+        /* Test if 2 TM state bits are zero.  If non-zero (ie. userspace was in
+         * transaction), go do TM stuff
+         */
+        rldicl. r0, r12, (64-MSR_TS_LG), (64-2)
+        bne-    2f
+  END_FTR_SECTION_NESTED(CPU_FTR_TM, CPU_FTR_TM, 69)
+#endif
+        bl      load_up_altivec
+        b       fast_exception_return
+#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
+2:      /* User process was in a transaction */
+        bl      save_nvgprs
+        RECONCILE_IRQ_STATE(r10, r11)
+        addi    r3,r1,STACK_FRAME_OVERHEAD
+        bl      altivec_unavailable_tm
+        b       ret_from_except
+#endif
+1:
+END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC)
+#endif
+        bl      save_nvgprs
+        RECONCILE_IRQ_STATE(r10, r11)
+        addi    r3,r1,STACK_FRAME_OVERHEAD
+        bl      altivec_unavailable_exception
+        b       ret_from_except
+
 
 __EXC_REAL_OOL(vsx_unavailable, 0xf40, 0xf60)
 
@@ -1168,9 +1205,6 @@ END_FTR_SECTION_IFSET(CPU_FTR_CFAR)
 #endif
 
         /* moved from 0xf00 */
-__TRAMP_REAL_REAL_OOL(altivec_unavailable, 0xf20)
-TRAMP_KVM(PACA_EXGEN, 0xf20)
-
 __TRAMP_REAL_REAL_OOL(vsx_unavailable, 0xf40)
 TRAMP_KVM(PACA_EXGEN, 0xf40)
 
@@ -1324,8 +1358,6 @@ EXC_COMMON(altivec_assist_common, 0x1700, unknown_exception)
          * come here.
          */
 
-__EXC_VIRT_OOL(altivec_unavailable, 0x4f20, 0x4f40)
-
 __EXC_VIRT_OOL(vsx_unavailable, 0x4f40, 0x4f60)
 
 __EXC_VIRT_OOL(facility_unavailable, 0x4f60, 0x4f80)
@@ -1355,39 +1387,6 @@ EXC_VIRT_NONE(0x5800, 0x5900)
 EXC_COMMON_BEGIN(ppc64_runlatch_on_trampoline)
         b       __ppc64_runlatch_on
 
-EXC_COMMON_BEGIN(altivec_unavailable_common)
-        EXCEPTION_PROLOG_COMMON(0xf20, PACA_EXGEN)
-#ifdef CONFIG_ALTIVEC
-BEGIN_FTR_SECTION
-        beq     1f
-#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
-  BEGIN_FTR_SECTION_NESTED(69)
-        /* Test if 2 TM state bits are zero.  If non-zero (ie. userspace was in
-         * transaction), go do TM stuff
-         */
-        rldicl. r0, r12, (64-MSR_TS_LG), (64-2)
-        bne-    2f
-  END_FTR_SECTION_NESTED(CPU_FTR_TM, CPU_FTR_TM, 69)
-#endif
-        bl      load_up_altivec
-        b       fast_exception_return
-#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
-2:      /* User process was in a transaction */
-        bl      save_nvgprs
-        RECONCILE_IRQ_STATE(r10, r11)
-        addi    r3,r1,STACK_FRAME_OVERHEAD
-        bl      altivec_unavailable_tm
-        b       ret_from_except
-#endif
-1:
-END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC)
-#endif
-        bl      save_nvgprs
-        RECONCILE_IRQ_STATE(r10, r11)
-        addi    r3,r1,STACK_FRAME_OVERHEAD
-        bl      altivec_unavailable_exception
-        b       ret_from_except
-
 EXC_COMMON_BEGIN(vsx_unavailable_common)
         EXCEPTION_PROLOG_COMMON(0xf40, PACA_EXGEN)
 #ifdef CONFIG_VSX
@@ -1421,7 +1420,6 @@ END_FTR_SECTION_IFSET(CPU_FTR_VSX)
         b       ret_from_except
 
         /* Equivalents to the above handlers for relocation-on interrupt vectors */
-__TRAMP_REAL_VIRT_OOL(altivec_unavailable, 0xf20)
 __TRAMP_REAL_VIRT_OOL(vsx_unavailable, 0xf40)
 __TRAMP_REAL_VIRT_OOL(facility_unavailable, 0xf60)
 __TRAMP_REAL_VIRT_OOL_HV(h_facility_unavailable, 0xf80)