arch/tile: support backtracing on TILE-Gx
This functionality was stubbed out until recently. Now we support our
normal backtracing API on TILE-Gx as well as on TILE64/TILEPro.
This change includes a tweak to the instruction encoding caused by
adding addxli for compat mode.
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
diff --git a/arch/tile/kernel/traps.c b/arch/tile/kernel/traps.c
index 3870abb..0f362dc 100644
--- a/arch/tile/kernel/traps.c
+++ b/arch/tile/kernel/traps.c
@@ -128,7 +128,9 @@
#ifdef __tilegx__
if ((bundle & TILEGX_BUNDLE_MODE_MASK) != 0)
return 0;
- if (get_Opcode_X1(bundle) != UNARY_OPCODE_X1)
+ if (get_Opcode_X1(bundle) != RRR_0_OPCODE_X1)
+ return 0;
+ if (get_RRROpcodeExtension_X1(bundle) != UNARY_RRR_0_OPCODE_X1)
return 0;
if (get_UnaryOpcodeExtension_X1(bundle) != ILL_UNARY_OPCODE_X1)
return 0;