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Diffstat (limited to 'arch/sparc/kernel/sun4v_tlb_miss.S')
-rw-r--r--arch/sparc/kernel/sun4v_tlb_miss.S35
1 files changed, 21 insertions, 14 deletions
diff --git a/arch/sparc/kernel/sun4v_tlb_miss.S b/arch/sparc/kernel/sun4v_tlb_miss.S
index e0c09bf85610..6179e19bc9b9 100644
--- a/arch/sparc/kernel/sun4v_tlb_miss.S
+++ b/arch/sparc/kernel/sun4v_tlb_miss.S
@@ -195,6 +195,11 @@ sun4v_tsb_miss_common:
ldx [%g2 + TRAP_PER_CPU_PGD_PADDR], %g7
sun4v_itlb_error:
+ rdpr %tl, %g1
+ cmp %g1, 1
+ ble,pt %icc, sun4v_bad_ra
+ or %g0, FAULT_CODE_BAD_RA | FAULT_CODE_ITLB, %g1
+
sethi %hi(sun4v_err_itlb_vaddr), %g1
stx %g4, [%g1 + %lo(sun4v_err_itlb_vaddr)]
sethi %hi(sun4v_err_itlb_ctx), %g1
@@ -206,15 +211,10 @@ sun4v_itlb_error:
sethi %hi(sun4v_err_itlb_error), %g1
stx %o0, [%g1 + %lo(sun4v_err_itlb_error)]
+ sethi %hi(1f), %g7
rdpr %tl, %g4
- cmp %g4, 1
- ble,pt %icc, 1f
- sethi %hi(2f), %g7
ba,pt %xcc, etraptl1
- or %g7, %lo(2f), %g7
-
-1: ba,pt %xcc, etrap
-2: or %g7, %lo(2b), %g7
+1: or %g7, %lo(1f), %g7
mov %l4, %o1
call sun4v_itlb_error_report
add %sp, PTREGS_OFF, %o0
@@ -222,6 +222,11 @@ sun4v_itlb_error:
/* NOTREACHED */
sun4v_dtlb_error:
+ rdpr %tl, %g1
+ cmp %g1, 1
+ ble,pt %icc, sun4v_bad_ra
+ or %g0, FAULT_CODE_BAD_RA | FAULT_CODE_DTLB, %g1
+
sethi %hi(sun4v_err_dtlb_vaddr), %g1
stx %g4, [%g1 + %lo(sun4v_err_dtlb_vaddr)]
sethi %hi(sun4v_err_dtlb_ctx), %g1
@@ -233,21 +238,23 @@ sun4v_dtlb_error:
sethi %hi(sun4v_err_dtlb_error), %g1
stx %o0, [%g1 + %lo(sun4v_err_dtlb_error)]
+ sethi %hi(1f), %g7
rdpr %tl, %g4
- cmp %g4, 1
- ble,pt %icc, 1f
- sethi %hi(2f), %g7
ba,pt %xcc, etraptl1
- or %g7, %lo(2f), %g7
-
-1: ba,pt %xcc, etrap
-2: or %g7, %lo(2b), %g7
+1: or %g7, %lo(1f), %g7
mov %l4, %o1
call sun4v_dtlb_error_report
add %sp, PTREGS_OFF, %o0
/* NOTREACHED */
+sun4v_bad_ra:
+ or %g0, %g4, %g5
+ ba,pt %xcc, sparc64_realfault_common
+ or %g1, %g0, %g4
+
+ /* NOTREACHED */
+
/* Instruction Access Exception, tl0. */
sun4v_iacc:
ldxa [%g0] ASI_SCRATCHPAD, %g2