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-rw-r--r--target/arm/helper.c23
1 files changed, 21 insertions, 2 deletions
diff --git a/target/arm/helper.c b/target/arm/helper.c
index 79db169e04..6be9ffa09e 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -894,7 +894,7 @@ static void cpacr_write(CPUARMState *env, const ARMCPRegInfo *ri,
          * ASEDIS [31] and D32DIS [30] are both UNK/SBZP without VFP.
          * TRCDIS [28] is RAZ/WI since we do not implement a trace macrocell.
          */
-        if (arm_feature(env, ARM_FEATURE_VFP)) {
+        if (cpu_isar_feature(aa32_vfp_simd, env_archcpu(env))) {
             /* VFP coprocessor: cp10 & cp11 [23:20] */
             mask |= (1 << 31) | (1 << 30) | (0xf << 20);
 
@@ -6726,6 +6726,21 @@ static const ARMCPRegInfo predinv_reginfo[] = {
     REGINFO_SENTINEL
 };
 
+static uint64_t ccsidr2_read(CPUARMState *env, const ARMCPRegInfo *ri)
+{
+    /* Read the high 32 bits of the current CCSIDR */
+    return extract64(ccsidr_read(env, ri), 32, 32);
+}
+
+static const ARMCPRegInfo ccsidr2_reginfo[] = {
+    { .name = "CCSIDR2", .state = ARM_CP_STATE_BOTH,
+      .opc0 = 3, .opc1 = 1, .crn = 0, .crm = 0, .opc2 = 2,
+      .access = PL1_R,
+      .accessfn = access_aa64_tid2,
+      .readfn = ccsidr2_read, .type = ARM_CP_NO_RAW },
+    REGINFO_SENTINEL
+};
+
 static CPAccessResult access_aa64_tid3(CPUARMState *env, const ARMCPRegInfo *ri,
                                        bool isread)
 {
@@ -7788,6 +7803,10 @@ void register_cp_regs_for_features(ARMCPU *cpu)
         define_arm_cp_regs(cpu, predinv_reginfo);
     }
 
+    if (cpu_isar_feature(any_ccidx, cpu)) {
+        define_arm_cp_regs(cpu, ccsidr2_reginfo);
+    }
+
 #ifndef CONFIG_USER_ONLY
     /*
      * Register redirections and aliases must be done last,
@@ -7814,7 +7833,7 @@ void arm_cpu_register_gdb_regs_for_features(ARMCPU *cpu)
     } else if (cpu_isar_feature(aa32_simd_r32, cpu)) {
         gdb_register_coprocessor(cs, vfp_gdb_get_reg, vfp_gdb_set_reg,
                                  35, "arm-vfp3.xml", 0);
-    } else if (arm_feature(env, ARM_FEATURE_VFP)) {
+    } else if (cpu_isar_feature(aa32_vfp_simd, cpu)) {
         gdb_register_coprocessor(cs, vfp_gdb_get_reg, vfp_gdb_set_reg,
                                  19, "arm-vfp.xml", 0);
     }