f6a4f10ae6
- Rebase to edk2-stable202305 tag [RHEL-585] - Resolves: RHEL-585 ([rhel-9.3] rebase EDK2 to edk2-stable202305) - Resolves: bz#2203094 (Add more than 17 pcie-root-ports, display Out Of Resource) - Resolves: bz#2055123 ([Q35] Failed to hot-plug a device whose membar > 2M into the vm)
77 lines
2.7 KiB
Diff
77 lines
2.7 KiB
Diff
From 5c2e46b64824e5432181507ec0706f7fe74c3fe2 Mon Sep 17 00:00:00 2001
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From: Oliver Steffen <osteffen@redhat.com>
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Date: Mon, 19 Jun 2023 11:21:52 +0200
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Subject: ArmPkg: Disable EFI_MEMORY_ATTRIBUTE_PROTOCOL (RH only)
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Recent versions of shim (15.6 and 15.7) crash when the newly added
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EFI_MEMORY_ATTRIBUTE_PROTOCOL is provided by the firmware. To allow
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existing installations to boot, provide a workaround in form of a Pcd
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that allows tuning it off at build time (defaults to 'enabled').
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Additionally, check the return code of the protocol installation calls.
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Disable the EFI_MEMORY_ATTRIBUTE_PROTOCOL protocol out builds.
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Signed-off-by: Oliver Steffen <osteffen@redhat.com>
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---
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.distro/edk2-build.rhel-9 | 2 ++
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ArmPkg/ArmPkg.dec | 3 +++
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ArmPkg/Drivers/CpuDxe/CpuDxe.c | 13 +++++++++++--
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ArmPkg/Drivers/CpuDxe/CpuDxe.inf | 1 +
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4 files changed, 17 insertions(+), 2 deletions(-)
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diff --git a/ArmPkg/ArmPkg.dec b/ArmPkg/ArmPkg.dec
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index 2444457ae5..d9e579b5fa 100644
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--- a/ArmPkg/ArmPkg.dec
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+++ b/ArmPkg/ArmPkg.dec
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@@ -167,6 +167,9 @@
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gArmTokenSpaceGuid.PcdCpuVectorBaseAddress|0xffff0000|UINT64|0x00000004
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gArmTokenSpaceGuid.PcdCpuResetAddress|0x00000000|UINT32|0x00000005
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+ # Enable/Disable EFI_MEMORY_ATTRIBUTE_PROTOCOL
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+ gArmTokenSpaceGuid.PcdEnableEfiMemoryAttributeProtocol|TRUE|BOOLEAN|0x000000EE
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+
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#
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# ARM Secure Firmware PCDs
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#
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diff --git a/ArmPkg/Drivers/CpuDxe/CpuDxe.c b/ArmPkg/Drivers/CpuDxe/CpuDxe.c
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index d04958e79e..ff7d735b2b 100644
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--- a/ArmPkg/Drivers/CpuDxe/CpuDxe.c
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+++ b/ArmPkg/Drivers/CpuDxe/CpuDxe.c
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@@ -244,10 +244,19 @@ CpuDxeInitialize (
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&mCpuHandle,
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&gEfiCpuArchProtocolGuid,
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&mCpu,
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- &gEfiMemoryAttributeProtocolGuid,
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- &mMemoryAttribute,
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NULL
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);
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+ ASSERT_EFI_ERROR (Status);
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+
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+ if (PcdGetBool (PcdEnableEfiMemoryAttributeProtocol)) {
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+ Status = gBS->InstallMultipleProtocolInterfaces (
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+ &mCpuHandle,
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+ &gEfiMemoryAttributeProtocolGuid,
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+ &mMemoryAttribute,
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+ NULL
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+ );
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+ ASSERT_EFI_ERROR (Status);
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+ }
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//
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// Make sure GCD and MMU settings match. This API calls gDS->SetMemorySpaceAttributes ()
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diff --git a/ArmPkg/Drivers/CpuDxe/CpuDxe.inf b/ArmPkg/Drivers/CpuDxe/CpuDxe.inf
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index e732e21cb9..1bad4ae160 100644
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--- a/ArmPkg/Drivers/CpuDxe/CpuDxe.inf
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+++ b/ArmPkg/Drivers/CpuDxe/CpuDxe.inf
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@@ -64,6 +64,7 @@
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[Pcd.common]
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gArmTokenSpaceGuid.PcdVFPEnabled
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+ gArmTokenSpaceGuid.PcdEnableEfiMemoryAttributeProtocol
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[FeaturePcd.common]
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gArmTokenSpaceGuid.PcdDebuggerExceptionSupport
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--
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2.39.3
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