MIPS: Update trap codes

Add a few missing trap codes.

[ralf@linux-mips.org: Drop removal of exception codes.  I don't care what
the incomplete architecture spec says; it can't change existing hardware
and VCEI is supported indeed.]

Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: linux-mips@linux-mips.org
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Gleb Natapov <gleb@kernel.org>
Cc: kvm@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/11890/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h
index eb89b877c6c91569cf0a3f7130b2e040a2a0c29c..3ad19ad04d8a282179423e9fcc5ecbb5557d26c7 100644 (file)
--- a/arch/mips/include/asm/mipsregs.h
+++ b/arch/mips/include/asm/mipsregs.h
@@ -420,12 +420,20 @@
 #define EXCCODE_CPU            11      /* Coprocessor unusable */
 #define EXCCODE_OV             12      /* Arithmetic overflow */
 #define EXCCODE_TR             13      /* Trap instruction */
-#define EXCCODE_VCEI           14      /* Virtual coherency exception */
 #define EXCCODE_MSAFPE         14      /* MSA floating point exception */
 #define EXCCODE_FPE            15      /* Floating point exception */
+#define EXCCODE_TLBRI          19      /* TLB Read-Inhibit exception */
+#define EXCCODE_TLBXI          20      /* TLB Execution-Inhibit exception */
 #define EXCCODE_MSADIS         21      /* MSA disabled exception */
+#define EXCCODE_MDMX           22      /* MDMX unusable exception */
 #define EXCCODE_WATCH          23      /* Watch address reference */
-#define EXCCODE_VCED           31      /* Virtual coherency data */
+#define EXCCODE_MCHECK         24      /* Machine check */
+#define EXCCODE_THREAD         25      /* Thread exceptions (MT) */
+#define EXCCODE_DSPDIS         26      /* DSP disabled exception */
+#define EXCCODE_GE             27      /* Virtualized guest exception (VZ) */
+
+/* Implementation specific trap codes used by MIPS cores */
+#define MIPS_EXCCODE_TLBPAR    16      /* TLB parity error exception */
 
 /*
  * Bits in the coprocessor 0 config register.