On 09/21/18 10:44, Ni, Ruiyu wrote:
> On 9/21/2018 3:41 PM, Eric Dong wrote:
>>       UINT32  User:1;
>> -    UINT32  Reserved1:2;
>> +    ///
>> +    /// [Bit 4] PwrEvtEn.
>> +    ///
>> +    UINT32  PwrEvtEn:1;
>> +    ///
>> +    /// [Bit 5] FUPonPTW.
>> +    ///
>> +    UINT32  FUPonPTW:1;
>>       ///
>>       /// [Bit 6] FabricEn. If (CPUID.(EAX=07H, ECX=0):ECX[3] = 1).
>>       ///
>> @@ -4672,7 +4679,10 @@ typedef union {
>>       /// [Bit 11] DisRETC.
>>       ///
>>       UINT32  DisRETC:1;
>> -    UINT32  Reserved2:1;
>> +    ///
>> +    /// [Bit 12] PTWEn.
>> +    ///
>> +    UINT32  PTWEn:1;
>>       ///
>>       /// [Bit 13] BranchEn.
>>       ///
>> @@ -4681,17 +4691,17 @@ typedef union {
>>       /// [Bits 17:14] MTCFreq. If (CPUID.(EAX=07H, ECX=0):EBX[3] = 1).
>>       ///
>>       UINT32  MTCFreq:4;
>> -    UINT32  Reserved3:1;
>> +    UINT32  Reserved7:1;
> 
> I prefer to not change this field name since the bit range for this
> Reserved6 is not changed.
> 
>>       ///
>>       /// [Bits 22:19] CYCThresh. If (CPUID.(EAX=07H, ECX=0):EBX[1] = 1).
>>       ///
>>       UINT32  CYCThresh:4;
>> -    UINT32  Reserved4:1;
>> +    UINT32  Reserved8:1;
> 
> I prefer to not change this field name since the bit range for this
> Reserved6 is not changed.
> 
>>       ///
>>       /// [Bits 27:24] PSBFreq. If (CPUID.(EAX=07H, ECX=0):EBX[1] = 1).
>>       ///
>>       UINT32  PSBFreq:4;
>> -    UINT32  Reserved5:4;
>> +    UINT32  Reserved9:4;
> 
> I prefer to not change this field name since the bit range for this
> Reserved6 is not changed.
> 
>>       ///
>>       /// [Bits 35:32] ADDR0_CFG. If (CPUID.(EAX=07H, ECX=1):EAX[2:0]
>> > 0).
>>       ///
>> @@ -4708,7 +4718,7 @@ typedef union {
>>       /// [Bits 47:44] ADDR3_CFG. If (CPUID.(EAX=07H, ECX=1):EAX[2:0]
>> > 3).
>>       ///
>>       UINT32  ADDR3_CFG:4;
>> -    UINT32  Reserved6:16;
>> +    UINT32  Reserved10:16;
> 
> I prefer to not change this field name since the bit range for this
> Reserved6 is not changed.
> 
>>     } Bits;
> 
> 
> Eric,
> As comments above, I suggest we keep the original Reserved## name if the
> bit range for that field doesn't change. We can only update the
> Reserved## name if the bit range changes.
> 
> In this way, we can maximally avoid build failure and also avoid silent
> failure.
> 
> In general, the Reserved## name is updated when the bit range changes.
> The ## is updated to
> 1 + MAX (all numbers used by Reserved## in this structure).
> 
> 
> Laszlo,
> What's your opinion?
> 

I agree with your suggestion.

Thanks
Laszlo
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