target/arm: Add MTE system registers

This is TFSRE0_EL1, TFSR_EL1, TFSR_EL2, TFSR_EL3,
RGSR_EL1, GCR_EL1, GMID_EL1, and PSTATE.TCO.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200626033144.790098-8-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index ff70115..0a98b6a 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -502,6 +502,9 @@
         uint64_t pmccfiltr_el0; /* Performance Monitor Filter Register */
         uint64_t vpidr_el2; /* Virtualization Processor ID Register */
         uint64_t vmpidr_el2; /* Virtualization Multiprocessor ID Register */
+        uint64_t tfsr_el[4]; /* tfsre0_el1 is index 0.  */
+        uint64_t gcr_el1;
+        uint64_t rgsr_el1;
     } cp15;
 
     struct {
@@ -1282,6 +1285,7 @@
 #define PSTATE_SS (1U << 21)
 #define PSTATE_PAN (1U << 22)
 #define PSTATE_UAO (1U << 23)
+#define PSTATE_TCO (1U << 25)
 #define PSTATE_V (1U << 28)
 #define PSTATE_C (1U << 29)
 #define PSTATE_Z (1U << 30)