xen: arm: Correct PMXEV cp register definitions

p15,0,c9,c13,1 is PMXEVTYPER not PMXEVCNTR.
p15,0,c9,c13,2 is PMXEVCNTR not PMXEVCNR.

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Reviewed-by: Julien Grall <julien.grall@linaro.org>

xen/arch/arm/traps.c

@@ -1633,8 +1633,8 @@ static void do_cp15_32(struct cpu_user_regs *regs,
     case HSR_CPREG32(PMCEID0):
     case HSR_CPREG32(PMCEID1):
     case HSR_CPREG32(PMCCNTR):
+    case HSR_CPREG32(PMXEVTYPER):
     case HSR_CPREG32(PMXEVCNTR):
-    case HSR_CPREG32(PMXEVCNR):
     case HSR_CPREG32(PMUSERENR):
     case HSR_CPREG32(PMINTENSET):
     case HSR_CPREG32(PMINTENCLR):

xen/include/asm-arm/cpregs.h

@@ -222,8 +222,8 @@
 #define PMCEID0         p15,0,c9,c12,6  /* Perf. Mon. Common Event Identification register 0 */
 #define PMCEID1         p15,0,c9,c12,7  /* Perf. Mon. Common Event Identification register 1 */
 #define PMCCNTR         p15,0,c9,c13,0  /* Perf. Mon. Cycle Count Register */
-#define PMXEVCNTR       p15,0,c9,c13,1  /* Perf. Mon. Event Type Select Register */
-#define PMXEVCNR        p15,0,c9,c13,2  /* Perf. Mon. Event Count Register */
+#define PMXEVTYPER      p15,0,c9,c13,1  /* Perf. Mon. Event Type Select Register */
+#define PMXEVCNTR       p15,0,c9,c13,2  /* Perf. Mon. Event Count Register */
 #define PMUSERENR       p15,0,c9,c14,0  /* Perf. Mon. User Enable Register */
 #define PMINTENSET      p15,0,c9,c14,1  /* Perf. Mon. Interrupt Enable Set Register */
 #define PMINTENCLR      p15,0,c9,c14,2  /* Perf. Mon. Interrupt Enable Clear Register */