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From: "Yuanhao Xie" <yuanhao.xie@intel.com>
To: devel@edk2.groups.io
Subject: [edk2-devel] [Patch V7 0/4] Wake up APs after power-up or RESET through SIPI.
Date: Mon, 31 Jul 2023 06:44:09 +0800	[thread overview]
Message-ID: <20230730224413.6411-1-yuanhao.xie@intel.com> (raw)

The implementation of this new behavior aligns with the
guidelines outlined in the Intel SDM.

Following a power-up or RESET of an MP system, system hardware
dynamically selects one of the processors on the system bus as
the BSP. The remaining processors are designated as APs.
The APs complete a minimal self-configuration,
then wait for SIPI from the BSP processor

Yuanhao Xie (1):
  UefiCpuPkg: Add SendStartupIpiAllExcludingSelf

YuanhaoXie (3):
  UefiCpuPkg: Add PcdFirstTimeWakeUpAPsBySipi
  OvmfPkg: Disable PcdFirstTimeWakeUpAPsBySipi.
  UefiCpuPkg:Wake up APs after power-up or RESET through SIPI.

 OvmfPkg/OvmfPkgIa32.dsc                                    |  9 ++++++++-
 OvmfPkg/OvmfPkgIa32X64.dsc                                 |  7 +++++++
 OvmfPkg/OvmfPkgX64.dsc                                     |  7 +++++++
 UefiCpuPkg/Include/Library/LocalApicLib.h                  | 17 ++++++++++++++++-
 UefiCpuPkg/Library/BaseXApicLib/BaseXApicLib.c             | 43 ++++++++++++++++++++++++++++++-------------
 UefiCpuPkg/Library/BaseXApicX2ApicLib/BaseXApicX2ApicLib.c | 43 ++++++++++++++++++++++++++++++-------------
 UefiCpuPkg/Library/MpInitLib/DxeMpInitLib.inf              |  1 +
 UefiCpuPkg/Library/MpInitLib/MpLib.c                       |  9 ++++++++-
 UefiCpuPkg/Library/MpInitLib/PeiMpInitLib.inf              |  1 +
 UefiCpuPkg/UefiCpuPkg.dec                                  | 11 +++++++++++
 10 files changed, 119 insertions(+), 29 deletions(-)

-- 
2.36.1.windows.1



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             reply	other threads:[~2023-07-30 22:44 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-07-30 22:44 Yuanhao Xie [this message]
2023-07-30 22:44 ` [edk2-devel] [Patch V7 1/4] UefiCpuPkg: Add SendStartupIpiAllExcludingSelf Yuanhao Xie
2023-07-30 22:44 ` [edk2-devel] [Patch V7 2/4] UefiCpuPkg: Add PcdFirstTimeWakeUpAPsBySipi Yuanhao Xie
2023-07-30 22:44 ` [edk2-devel] [Patch V7 3/4] OvmfPkg: Disable PcdFirstTimeWakeUpAPsBySipi Yuanhao Xie
2023-08-10 11:18   ` Ard Biesheuvel
2023-07-30 22:44 ` [edk2-devel] [Patch V7 4/4] UefiCpuPkg:Wake up APs after power-up or RESET through SIPI Yuanhao Xie
2023-08-10 12:21 ` [edk2-devel] [Patch V7 0/4] Wake " Ard Biesheuvel

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