edk2/SOURCES/0016-ArmPlatformPkg-PrePeiCore-write-early-hello-message-.patch

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From 8d5a8827aabc67cb2a046697e1a750ca8d9cc453 Mon Sep 17 00:00:00 2001
From: Laszlo Ersek <lersek@redhat.com>
Date: Wed, 14 Oct 2015 13:59:20 +0200
Subject: ArmPlatformPkg: PrePeiCore: write early hello message to the serial
port (RH)
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)
---
ArmPlatformPkg/PrePeiCore/MainMPCore.c | 5 +++++
ArmPlatformPkg/PrePeiCore/MainUniCore.c | 5 +++++
ArmPlatformPkg/PrePeiCore/PrePeiCore.h | 1 +
ArmPlatformPkg/PrePeiCore/PrePeiCoreMPCore.inf | 2 ++
ArmPlatformPkg/PrePeiCore/PrePeiCoreUniCore.inf | 2 ++
5 files changed, 15 insertions(+)
diff --git a/ArmPlatformPkg/PrePeiCore/MainMPCore.c b/ArmPlatformPkg/PrePeiCore/MainMPCore.c
index d379ad8b7a..ff1672f94d 100644
--- a/ArmPlatformPkg/PrePeiCore/MainMPCore.c
+++ b/ArmPlatformPkg/PrePeiCore/MainMPCore.c
@@ -111,6 +111,11 @@ 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 1500d2bd51..5b0790beac 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
diff --git a/ArmPlatformPkg/PrePeiCore/PrePeiCore.h b/ArmPlatformPkg/PrePeiCore/PrePeiCore.h
index 7140c7f5b5..1d69a2b468 100644
--- a/ArmPlatformPkg/PrePeiCore/PrePeiCore.h
+++ b/ArmPlatformPkg/PrePeiCore/PrePeiCore.h
@@ -15,6 +15,7 @@
#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/PrePeiCoreMPCore.inf b/ArmPlatformPkg/PrePeiCore/PrePeiCoreMPCore.inf
index f2ac45d171..fc93fda965 100644
--- a/ArmPlatformPkg/PrePeiCore/PrePeiCoreMPCore.inf
+++ b/ArmPlatformPkg/PrePeiCore/PrePeiCoreMPCore.inf
@@ -67,6 +67,8 @@
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 84c319c367..46d1b30978 100644
--- a/ArmPlatformPkg/PrePeiCore/PrePeiCoreUniCore.inf
+++ b/ArmPlatformPkg/PrePeiCore/PrePeiCoreUniCore.inf
@@ -65,4 +65,6 @@
gArmPlatformTokenSpaceGuid.PcdCPUCorePrimaryStackSize
gArmPlatformTokenSpaceGuid.PcdCPUCoreSecondaryStackSize
+ gArmPlatformTokenSpaceGuid.PcdEarlyHelloMessage
+
gEfiMdeModulePkgTokenSpaceGuid.PcdInitValueInTempStack
--
2.18.1