Hi Liming, Checked in SDM, there is a requirement: The microcode update data must start at a 16-byte aligned linear address. Such as 0xFF should not be supported. I re-sent a v2 patch and added this requirement check. Please help review again.
Thanks. Best, Aaron > -----Original Message----- > From: [email protected] <[email protected]> On Behalf Of > gaoliming > Sent: Tuesday, September 22, 2020 9:27 AM > To: Li, Aaron <[email protected]>; Feng, Bob C <[email protected]> > Cc: [email protected]; Fu, Siyuan <[email protected]> > Subject: 回复: [edk2-devel] [PATCH v1 1/1] Tools/FitGen: Fix microcode > alignment support > > Aaron: > This change is good. But, I would like to know whether there is the > specific alignment requirement for microcode. Or, any alignment value is > allowed, such as 0xFF? > > Thanks > Liming > > -----邮件原件----- > > 发件人: Li, Aaron <[email protected]> > > 发送时间: 2020年9月21日 13:23 > > 收件人: Feng, Bob C <[email protected]>; Liming Gao > > <[email protected]> > > 抄送: [email protected]; Li, Aaron <[email protected]>; Fu, Siyuan > > <[email protected]> > > 主题: RE: [edk2-devel] [PATCH v1 1/1] Tools/FitGen: Fix microcode > alignment > > support > > > > Hi Bob & Liming, > > > > Could you help review this patch? > > Thanks. > > > > Best, > > Aaron > > > > > -----Original Message----- > > > From: [email protected] <[email protected]> On Behalf Of > Aaron > > Li > > > Sent: Thursday, September 17, 2020 1:58 PM > > > To: [email protected] > > > Cc: Feng, Bob C <[email protected]>; Liming Gao > > > <[email protected]> > > > Subject: [edk2-devel] [PATCH v1 1/1] Tools/FitGen: Fix microcode > alignment > > > support > > > > > > BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=2971 > > > > > > This patch is to fix a issue that "-A" option would only support > > > 2^n Byte alignment of microcode. > > > > > > Signed-off-by: Aaron Li <[email protected]> > > > Cc: Bob Feng <[email protected]> > > > Cc: Liming Gao <[email protected]> > > > --- > > > Silicon/Intel/Tools/FitGen/FitGen.c | 2 +- > > > Silicon/Intel/Tools/FitGen/FitGen.h | 4 +++- > > > 2 files changed, 4 insertions(+), 2 deletions(-) > > > > > > diff --git a/Silicon/Intel/Tools/FitGen/FitGen.c > > > b/Silicon/Intel/Tools/FitGen/FitGen.c > > > index c4006e69c822..4caaf70ee018 100644 > > > --- a/Silicon/Intel/Tools/FitGen/FitGen.c > > > +++ b/Silicon/Intel/Tools/FitGen/FitGen.c > > > @@ -1176,7 +1176,7 @@ Returns: > > > // MCU might be put at 2KB alignment, if so, we need > > to adjust the > > > size as 2KB alignment. > > > > > > // > > > > > > if (gFitTableContext.MicrocodeIsAligned) { > > > > > > - MicrocodeSize = (*(UINT32 *)(MicrocodeBuffer + 32) > > + > > > (gFitTableContext.MicrocodeAlignValue - 1)) & > > > ~(gFitTableContext.MicrocodeAlignValue - 1); > > > > > > + MicrocodeSize = ROUNDUP (*(UINT32 > > *)(MicrocodeBuffer + 32), > > > gFitTableContext.MicrocodeAlignValue); > > > > > > } else { > > > > > > MicrocodeSize = (*(UINT32 *)(MicrocodeBuffer + > > 32)); > > > > > > } > > > > > > diff --git a/Silicon/Intel/Tools/FitGen/FitGen.h > > > b/Silicon/Intel/Tools/FitGen/FitGen.h > > > index abad2d8799c8..435fc26209da 100644 > > > --- a/Silicon/Intel/Tools/FitGen/FitGen.h > > > +++ b/Silicon/Intel/Tools/FitGen/FitGen.h > > > @@ -31,7 +31,7 @@ SPDX-License-Identifier: BSD-2-Clause-Patent > > > // Utility version information > > > > > > // > > > > > > #define UTILITY_MAJOR_VERSION 0 > > > > > > -#define UTILITY_MINOR_VERSION 62 > > > > > > +#define UTILITY_MINOR_VERSION 63 > > > > > > #define UTILITY_DATE __DATE__ > > > > > > > > > > > > // > > > > > > @@ -45,4 +45,6 @@ SPDX-License-Identifier: BSD-2-Clause-Patent > > > (ActualSize) + (((Alignment) - ((ActualSize) & ((Alignment) - 1))) & > > > ((Alignment) - 1)) > > > > > > ; > > > > > > > > > > > > +#define ROUNDUP(Size, Alignment) (((Size) + (Alignment) - 1) / > (Alignment) > > > * (Alignment)) > > > > > > + > > > > > > #endif > > > > > > -- > > > 2.23.0.windows.1 > > > > > > > > > > > > -=-=-=-=-=-= > > > Groups.io Links: You receive all messages sent to this group. > > > View/Reply Online (#65353): > > https://edk2.groups.io/g/devel/message/65353 > > > Mute This Topic: https://groups.io/mt/76904091/4128994 > > > Group Owner: [email protected] > > > Unsubscribe: https://edk2.groups.io/g/devel/unsub [[email protected]] > > > -=-=-=-=-=-= > > > > > > > > > > -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#65423): https://edk2.groups.io/g/devel/message/65423 Mute This Topic: https://groups.io/mt/77005901/21656 Group Owner: [email protected] Unsubscribe: https://edk2.groups.io/g/devel/unsub [[email protected]] -=-=-=-=-=-=-=-=-=-=-=-
