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
_______________________________________________
edk2-devel mailing list
[email protected]
https://lists.01.org/mailman/listinfo/edk2-devel
