[edk2-devel] [PATCH v5 1/2] MdePkg/Include: Add CET instructions to Nasm.inc

[Zhiguang Liu]

Hi Sheng Wei,
I don't have the access to push patch.

Hi Liming,
Can you help merge this patch? Thanks

Thanks
Zhiguang

> -----Original Message-----
> From: Sheng, W <w.sheng at intel.com>
> Sent: Monday, February 22, 2021 10:12 AM
> To: gaoliming <gaoliming at byosoft.com.cn>; devel at edk2.groups.io; Liu,
> Zhiguang <zhiguang.liu at intel.com>
> Cc: Kinney, Michael D <michael.d.kinney at intel.com>; Yao, Jiewen
> <jiewen.yao at intel.com>
> Subject: RE: [edk2-devel] [PATCH v5 1/2] MdePkg/Include: Add CET
> instructions to Nasm.inc
> 
> Hi Zhiguang,
> Could you help to merge the patch to the master branch ?
> 
> @gaoliming
> Thank you for giving the review-by.
> BR
> Sheng Wei
> 
> > -----Original Message-----
> > From: gaoliming <gaoliming at byosoft.com.cn>
> > Sent: 2021年2月20日 13:35
> > To: devel at edk2.groups.io; Sheng, W <w.sheng at intel.com>
> > Cc: Kinney, Michael D <michael.d.kinney at intel.com>; Liu, Zhiguang
> > <zhiguang.liu at intel.com>; Yao, Jiewen <jiewen.yao at intel.com>
> > Subject: 回复: [edk2-devel] [PATCH v5 1/2] MdePkg/Include: Add CET
> > instructions to Nasm.inc
> >
> > Reviewed-by: Liming Gao <gaoliming at byosoft.com.cn>
> >
> > > -----邮件原件-----
> > > 发件人: bounce+27952+71865+4905953+8761045 at groups.io
> > > <bounce+27952+71865+4905953+8761045 at groups.io> 代表 Sheng Wei
> > > 发送时间: 2021年2月20日 11:15
> > > 收件人: devel at edk2.groups.io
> > > 抄送: Michael D Kinney <michael.d.kinney at intel.com>; Liming Gao
> > > <gaoliming at byosoft.com.cn>; Zhiguang Liu <zhiguang.liu at intel.com>;
> > > Jiewen Yao <jiewen.yao at intel.com>
> > > 主题: [edk2-devel] [PATCH v5 1/2] MdePkg/Include: Add CET instructions
> > > to Nasm.inc
> > >
> > > This is to add instruction SAVEPREVSSP, CLRSSBSY and RSTORSSP_RAX in
> > > Nasm.
> > > The open CI is using NASM 2.14.02.
> > > CET instructions are supported since NASM 2.15.01.
> > >
> > > DB-encoded CET instructions need to be removed after open CI update
> > > to NASM 2.15.01.
> > > The BZ ticket is https://bugzilla.tianocore.org/show_bug.cgi?id=3227 .
> > >
> > > REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3192
> > >
> > > Signed-off-by: Sheng Wei <w.sheng at intel.com>
> > > Cc: Michael D Kinney <michael.d.kinney at intel.com>
> > > Cc: Liming Gao <gaoliming at byosoft.com.cn>
> > > Cc: Zhiguang Liu <zhiguang.liu at intel.com>
> > > Cc: Jiewen Yao <jiewen.yao at intel.com>
> > > ---
> > >  MdePkg/Include/Ia32/Nasm.inc | 12 ++++++++++++
> > > MdePkg/Include/X64/Nasm.inc  | 12 ++++++++++++
> > >  2 files changed, 24 insertions(+)
> > >
> > > diff --git a/MdePkg/Include/Ia32/Nasm.inc
> > > b/MdePkg/Include/Ia32/Nasm.inc index 31ce861f1e..fa42f9d3e9 100644
> > > --- a/MdePkg/Include/Ia32/Nasm.inc
> > > +++ b/MdePkg/Include/Ia32/Nasm.inc
> > > @@ -9,6 +9,18 @@
> > >  ;
> > >
> > ;---------------------------------------------------------------------
> > ------
> > ---
> > >
> > > +%macro SAVEPREVSSP     0
> > > +    DB 0xF3, 0x0F, 0x01, 0xEA
> > > +%endmacro
> > > +
> > > +%macro CLRSSBSY_EAX    0
> > > +    DB 0x67, 0xF3, 0x0F, 0xAE, 0x30 %endmacro
> > > +
> > > +%macro RSTORSSP_EAX    0
> > > +    DB 0x67, 0xF3, 0x0F, 0x01, 0x28 %endmacro
> > > +
> > >  %macro SETSSBSY        0
> > >      DB 0xF3, 0x0F, 0x01, 0xE8
> > >  %endmacro
> > > diff --git a/MdePkg/Include/X64/Nasm.inc
> > b/MdePkg/Include/X64/Nasm.inc
> > > index 42412735ea..e57a803c81 100644
> > > --- a/MdePkg/Include/X64/Nasm.inc
> > > +++ b/MdePkg/Include/X64/Nasm.inc
> > > @@ -9,6 +9,18 @@
> > >  ;
> > >
> > ;---------------------------------------------------------------------
> > ------
> > ---
> > >
> > > +%macro SAVEPREVSSP     0
> > > +    DB 0xF3, 0x0F, 0x01, 0xEA
> > > +%endmacro
> > > +
> > > +%macro CLRSSBSY_RAX    0
> > > +    DB 0xF3, 0x0F, 0xAE, 0x30
> > > +%endmacro
> > > +
> > > +%macro RSTORSSP_RAX    0
> > > +    DB 0xF3, 0x0F, 0x01, 0x28
> > > +%endmacro
> > > +
> > >  %macro SETSSBSY        0
> > >      DB 0xF3, 0x0F, 0x01, 0xE8
> > >  %endmacro
> > > --
> > > 2.16.2.windows.1
> > >
> > >
> > >
> > > 
> > >
> >
> >



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