target/arm: Define ID_AA64ZFR0_EL1

Given that the only field defined for this new register may only
be 0, we don't actually need to change anything except the name.

Reviewed-by: Peter Maydell <[email protected]>
Tested-by: Laurent Desnogues <[email protected]>
Signed-off-by: Richard Henderson <[email protected]>
Message-id: 20181005175350[email protected]
Signed-off-by: Peter Maydell <[email protected]>

diff --git a/target/arm/helper.c b/target/arm/helper.c
index 5e721a65272275e4ad056f87873c84ede3860727..050f3d444c6af8ea8172bf2c70553e2b44438036 100644 (file)
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -5018,9 +5018,10 @@ void register_cp_regs_for_features(ARMCPU *cpu)
               .opc0 = 3, .opc1 = 0, .crn = 0, .crm = 4, .opc2 = 3,
               .access = PL1_R, .type = ARM_CP_CONST,
               .resetvalue = 0 },
-            { .name = "ID_AA64PFR4_EL1_RESERVED", .state = ARM_CP_STATE_AA64,
+            { .name = "ID_AA64ZFR0_EL1", .state = ARM_CP_STATE_AA64,
               .opc0 = 3, .opc1 = 0, .crn = 0, .crm = 4, .opc2 = 4,
               .access = PL1_R, .type = ARM_CP_CONST,
+              /* At present, only SVEver == 0 is defined anyway.  */
               .resetvalue = 0 },
             { .name = "ID_AA64PFR5_EL1_RESERVED", .state = ARM_CP_STATE_AA64,
               .opc0 = 3, .opc1 = 0, .crn = 0, .crm = 4, .opc2 = 5,