[Qemu-devel] [PATCH V1 2/4] target-arm: Add support for AArch64 PMU register PMXEVTYPER_EL0

[Wei Huang <wei@redhat.com>]

In order to support Linux perf, which uses PMXEVTYPER register,
this patch adds access support for PMXEVTYPER_EL0.

Signed-off-by: Wei Huang <wei@redhat.com>
---
 target/arm/helper.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/target/arm/helper.c b/target/arm/helper.c
index 71adb0f..9044a33 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -1233,10 +1233,17 @@ static const ARMCPRegInfo v7_cp_reginfo[] = {
       .fieldoffset = offsetof(CPUARMState, cp15.pmccfiltr_el0),
       .resetvalue = 0, },
     { .name = "PMXEVTYPER", .cp = 15, .crn = 9, .crm = 13, .opc1 = 0, .opc2 = 1,
-      .access = PL0_RW,
+      .access = PL0_RW, .type = ARM_CP_ALIAS,
       .fieldoffset = offsetof(CPUARMState, cp15.c9_pmxevtyper),
       .accessfn = pmreg_access, .writefn = pmxevtyper_write,
       .raw_writefn = raw_write },
+    { .name = "PMXEVTYPER_EL0", .state = ARM_CP_STATE_AA64,
+      .opc0 = 3, .opc1 = 3, .crn = 9, .crm = 13, .opc2 = 1,
+      .access = PL0_RW, .accessfn = pmreg_access,
+      .type = ARM_CP_IO,
+      .fieldoffset = offsetof(CPUARMState, cp15.c9_pmxevtyper),
+      .writefn = pmxevtyper_write, .raw_writefn = raw_write,
+      .resetvalue = 0x0 },
     /* Unimplemented, RAZ/WI. */
     { .name = "PMXEVCNTR", .cp = 15, .crn = 9, .crm = 13, .opc1 = 0, .opc2 = 2,
       .access = PL0_RW, .type = ARM_CP_CONST, .resetvalue = 0,
-- 
1.8.3.1