edk2/0010-ArmPlatformPkg-PrePeiCore-write-early-hello-message-.patch
2022-03-23 09:16:49 +01:00

146 lines
5.6 KiB
Diff

From 2ac5fede049429237cb2a698a9f927f21fd22c6e Mon Sep 17 00:00:00 2001
From: Laszlo Ersek <lersek@redhat.com>
Date: Wed, 14 Oct 2015 13:59:20 +0200
Subject: [PATCH 10/21] ArmPlatformPkg: PrePeiCore: write early hello message
to the serial port (RH)
Notes about the RHEL-8.3/20200603-ca407c7246bf [edk2-stable202005] ->
RHEL-8.5/20210520-e1999b264f1f [edk2-stable202105] rebase:
- no change
Notes about the RHEL-8.2/20190904-37eef91017ad [edk2-stable201908] ->
RHEL-8.3/20200603-ca407c7246bf [edk2-stable202005] rebase:
- no change
Notes about the RHEL-8.1/20190308-89910a39dcfd [edk2-stable201903] ->
RHEL-8.2/20190904-37eef91017ad [edk2-stable201908] rebase:
- no change
Notes about the RHEL-8.0/20180508-ee3198e672e2 ->
RHEL-8.1/20190308-89910a39dcfd rebase:
- no change
Notes about the RHEL-7.6/ovmf-20180508-2.gitee3198e672e2.el7 ->
RHEL-8.0/20180508-ee3198e672e2 rebase:
- reorder the rebase changelog in the commit message so that it reads like
a blog: place more recent entries near the top
- no changes to the patch body
Notes about the 20171011-92d07e48907f -> 20180508-ee3198e672e2 rebase:
- adapt to upstream commit 7e2a8dfe8a9a ("ArmPlatformPkg/PrePeiCore: seed
temporary stack before entering PEI core", 2017-11-09) -- conflict
resolution in "ArmPlatformPkg/PrePeiCore/PrePeiCoreUniCore.inf"
Notes about the 20170228-c325e41585e3 -> 20171011-92d07e48907f rebase:
- no changes
Notes about the 20160608b-988715a -> 20170228-c325e41585e3 rebase:
- no changes
The FixedPcdGetSize() macro expands to an integer constant, therefore an
optimizing compiler can eliminate the new code, if the platform DSC
doesn't override the empty string (size=1) default of
PcdEarlyHelloMessage.
RHBZ: https://bugzilla.redhat.com/show_bug.cgi?id=1270279
Downstream only:
<http://thread.gmane.org/gmane.comp.bios.edk2.devel/2996/focus=3433>.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
(cherry picked from commit b16c4c505ce0e27305235533eac9236aa66f132e)
(cherry picked from commit 742e5bf6d5ce5a1e73879d6e5c0dd00feda7a9ac)
(cherry picked from commit 93d69eb9393cf05af90676253875c59c1bec67fd)
(cherry picked from commit 638594083b191f84f5d9333eb6147a31570f5a5a)
(cherry picked from commit f4b7aae411d88b2b83f85d20ef06a4032a57e7de)
(cherry picked from commit bb71490fdda3b38fa9f071d281b863f9b64363bf)
(cherry picked from commit 8d5a8827aabc67cb2a046697e1a750ca8d9cc453)
(cherry picked from commit 49fe5596cd79c94d903c4d506c563d642ccd69aa)
---
ArmPlatformPkg/PrePeiCore/PrePeiCoreMPCore.inf | 2 ++
ArmPlatformPkg/PrePeiCore/PrePeiCoreUniCore.inf | 2 ++
ArmPlatformPkg/PrePeiCore/PrePeiCore.h | 1 +
ArmPlatformPkg/PrePeiCore/MainMPCore.c | 5 +++++
ArmPlatformPkg/PrePeiCore/MainUniCore.c | 5 +++++
5 files changed, 15 insertions(+)
diff --git a/ArmPlatformPkg/PrePeiCore/PrePeiCoreMPCore.inf b/ArmPlatformPkg/PrePeiCore/PrePeiCoreMPCore.inf
index fb01dd1a113e..a6681c103297 100644
--- a/ArmPlatformPkg/PrePeiCore/PrePeiCoreMPCore.inf
+++ b/ArmPlatformPkg/PrePeiCore/PrePeiCoreMPCore.inf
@@ -69,6 +69,8 @@ [FixedPcd]
gArmPlatformTokenSpaceGuid.PcdCPUCorePrimaryStackSize
gArmPlatformTokenSpaceGuid.PcdCPUCoreSecondaryStackSize
+ gArmPlatformTokenSpaceGuid.PcdEarlyHelloMessage
+
gArmTokenSpaceGuid.PcdGicDistributorBase
gArmTokenSpaceGuid.PcdGicInterruptInterfaceBase
gArmTokenSpaceGuid.PcdGicSgiIntId
diff --git a/ArmPlatformPkg/PrePeiCore/PrePeiCoreUniCore.inf b/ArmPlatformPkg/PrePeiCore/PrePeiCoreUniCore.inf
index e9eb092d3ac9..c98dc82f0c66 100644
--- a/ArmPlatformPkg/PrePeiCore/PrePeiCoreUniCore.inf
+++ b/ArmPlatformPkg/PrePeiCore/PrePeiCoreUniCore.inf
@@ -67,4 +67,6 @@ [FixedPcd]
gArmPlatformTokenSpaceGuid.PcdCPUCorePrimaryStackSize
gArmPlatformTokenSpaceGuid.PcdCPUCoreSecondaryStackSize
+ gArmPlatformTokenSpaceGuid.PcdEarlyHelloMessage
+
gEfiMdeModulePkgTokenSpaceGuid.PcdInitValueInTempStack
diff --git a/ArmPlatformPkg/PrePeiCore/PrePeiCore.h b/ArmPlatformPkg/PrePeiCore/PrePeiCore.h
index 0345dd7bdd2a..ae8302becda2 100644
--- a/ArmPlatformPkg/PrePeiCore/PrePeiCore.h
+++ b/ArmPlatformPkg/PrePeiCore/PrePeiCore.h
@@ -16,6 +16,7 @@
#include <Library/DebugLib.h>
#include <Library/IoLib.h>
#include <Library/PcdLib.h>
+#include <Library/SerialPortLib.h>
#include <PiPei.h>
#include <Ppi/TemporaryRamSupport.h>
diff --git a/ArmPlatformPkg/PrePeiCore/MainMPCore.c b/ArmPlatformPkg/PrePeiCore/MainMPCore.c
index b5d0d3a6442f..5126a6dfb0b1 100644
--- a/ArmPlatformPkg/PrePeiCore/MainMPCore.c
+++ b/ArmPlatformPkg/PrePeiCore/MainMPCore.c
@@ -116,6 +116,11 @@ PrimaryMain (
UINTN TemporaryRamBase;
UINTN TemporaryRamSize;
+ if (FixedPcdGetSize (PcdEarlyHelloMessage) > 1) {
+ SerialPortWrite (FixedPcdGetPtr (PcdEarlyHelloMessage),
+ FixedPcdGetSize (PcdEarlyHelloMessage) - 1);
+ }
+
CreatePpiList (&PpiListSize, &PpiList);
// Enable the GIC Distributor
diff --git a/ArmPlatformPkg/PrePeiCore/MainUniCore.c b/ArmPlatformPkg/PrePeiCore/MainUniCore.c
index 1c2580eb923b..2a7580dbb405 100644
--- a/ArmPlatformPkg/PrePeiCore/MainUniCore.c
+++ b/ArmPlatformPkg/PrePeiCore/MainUniCore.c
@@ -29,6 +29,11 @@ PrimaryMain (
UINTN TemporaryRamBase;
UINTN TemporaryRamSize;
+ if (FixedPcdGetSize (PcdEarlyHelloMessage) > 1) {
+ SerialPortWrite (FixedPcdGetPtr (PcdEarlyHelloMessage),
+ FixedPcdGetSize (PcdEarlyHelloMessage) - 1);
+ }
+
CreatePpiList (&PpiListSize, &PpiList);
// Adjust the Temporary Ram as the new Ppi List (Common + Platform Ppi Lists) is created at
--
2.35.1