On 2/11/20 7:34 PM, Richard Henderson wrote:
On 2/11/20 9:37 AM, Peter Maydell wrote:
      if (arm_feature(&cpu->env, ARM_FEATURE_AARCH64)) {
-        assert(extract32(cpu->id_aa64dfr0, 12, 4) == brps);
-        assert(extract32(cpu->id_aa64dfr0, 20, 4) == wrps);
-        assert(extract32(cpu->id_aa64dfr0, 28, 4) == ctx_cmps);
+        assert(FIELD_EX32(cpu->id_aa64dfr0, ID_AA64DFR0, BRPS) == brps);
+        assert(FIELD_EX32(cpu->id_aa64dfr0, ID_AA64DFR0, WRPS) == wrps);
+        assert(FIELD_EX32(cpu->id_aa64dfr0, ID_AA64DFR0, CTX_CMPS) == 
ctx_cmps);

Should really be FIELD_EX64.  Otherwise,

Similarly to the other previous call, FIELD_DP64:

cpu->id_aa64dfr0 = FIELD_DP32(cpu->id_aa64dfr0, ID_AA64DFR0, PMUVER, 0);

So far the code is safe because the >31 bits macros aren't used:

  FIELD(ID_AA64DFR0, PMSVER, 32, 4)
  FIELD(ID_AA64DFR0, DOUBLELOCK, 36, 4)
  FIELD(ID_AA64DFR0, TRACEFILT, 40, 4)

But you are right, let's fix it now to avoid copy/pasting 32bit macros and unpleasant debugging sessions.


Reviewed-by: Richard Henderson <richard.hender...@linaro.org>

Using 64bit macros:
Reviewed-by: Philippe Mathieu-Daudé <phi...@redhat.com>


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