Mike and Sheng: Linux or Mac OS includes the pre-built nasm. Their nasm version may be old. Can you evaluate the impact to update nasm version?
Thanks Liming > -----邮件原件----- > 发件人: Kinney, Michael D <[email protected]> > 发送时间: 2021年1月30日 1:23 > 收件人: Sheng, W <[email protected]>; [email protected]; Kinney, > Michael D <[email protected]> > 抄送: Liming Gao <[email protected]>; Liu, Zhiguang > <[email protected]>; Yao, Jiewen <[email protected]> > 主题: RE: [PATCH] MdePkg/Include: Add CET instructions to Nasm.inc > > Sheng, > > The following version of the NASM documentation shows support for these > instructions. > > https://nasm.us/doc/nasmdocb.html > > Do we need to increase the min NASM version requirements for EDK II to > avoid adding macros with DB? > > Thanks, > > Mike > > > -----Original Message----- > > From: Sheng, W <[email protected]> > > Sent: Thursday, January 28, 2021 6:35 PM > > To: [email protected] > > Cc: Kinney, Michael D <[email protected]>; Liming Gao > <[email protected]>; Liu, Zhiguang > > <[email protected]>; Yao, Jiewen <[email protected]> > > Subject: [PATCH] MdePkg/Include: Add CET instructions to Nasm.inc > > > > This is to add instruction SAVEPREVSSP, CLRSSBSY and RSTORSSP_RAX in > Nasm, > > because these instructions are not supported yet. > > > > REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3192 > > > > Signed-off-by: Sheng Wei <[email protected]> > > Cc: Michael D Kinney <[email protected]> > > Cc: Liming Gao <[email protected]> > > Cc: Zhiguang Liu <[email protected]> > > Cc: Jiewen Yao <[email protected]> > > --- > > MdePkg/Include/Ia32/Nasm.inc | 14 +++++++++++++- > > MdePkg/Include/X64/Nasm.inc | 14 +++++++++++++- > > 2 files changed, 26 insertions(+), 2 deletions(-) > > > > diff --git a/MdePkg/Include/Ia32/Nasm.inc > b/MdePkg/Include/Ia32/Nasm.inc > > index 31ce861f1e..9c1b7796ea 100644 > > --- a/MdePkg/Include/Ia32/Nasm.inc > > +++ b/MdePkg/Include/Ia32/Nasm.inc > > @@ -1,6 +1,6 @@ > > > > ;------------------------------------------------------------------------------ > > ; > > -; Copyright (c) 2019, Intel Corporation. All rights reserved.<BR> > > +; Copyright (c) 2019 - 2021, Intel Corporation. All rights reserved.<BR> > > ; SPDX-License-Identifier: BSD-2-Clause-Patent > > ; > > ; Abstract: > > @@ -20,3 +20,15 @@ > > %macro INCSSP_EAX 0 > > DB 0xF3, 0x0F, 0xAE, 0xE8 > > %endmacro > > + > > +%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 > > diff --git a/MdePkg/Include/X64/Nasm.inc > b/MdePkg/Include/X64/Nasm.inc > > index 42412735ea..c5189982bb 100644 > > --- a/MdePkg/Include/X64/Nasm.inc > > +++ b/MdePkg/Include/X64/Nasm.inc > > @@ -1,6 +1,6 @@ > > > > ;------------------------------------------------------------------------------ > > ; > > -; Copyright (c) 2019, Intel Corporation. All rights reserved.<BR> > > +; Copyright (c) 2019 - 2021, Intel Corporation. All rights reserved.<BR> > > ; SPDX-License-Identifier: BSD-2-Clause-Patent > > ; > > ; Abstract: > > @@ -20,3 +20,15 @@ > > %macro INCSSP_RAX 0 > > DB 0xF3, 0x48, 0x0F, 0xAE, 0xE8 > > %endmacro > > + > > +%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 > > -- > > 2.16.2.windows.1 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#71041): https://edk2.groups.io/g/devel/message/71041 Mute This Topic: https://groups.io/mt/80305668/21656 Group Owner: [email protected] Unsubscribe: https://edk2.groups.io/g/devel/unsub [[email protected]] -=-=-=-=-=-=-=-=-=-=-=-
