62 lines
2.4 KiB
Diff
62 lines
2.4 KiB
Diff
From bf5008f94fd887f7f9c1daf1a09f47c0733d38ed Mon Sep 17 00:00:00 2001
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From: Ard Biesheuvel <ard.biesheuvel@linaro.org>
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Date: Wed, 26 Feb 2020 20:05:06 +0100
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Subject: [PATCH 03/13] OvmfPkg/Tcg2ConfigPei: introduce a signalling PPI to
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depex on
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On ARM systems, the TPM does not live at a fixed address, and so we
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need the platform to discover it first. So introduce a PPI that signals
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that the TPM address has been discovered and recorded in the appropriate
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PCD, and make Tcg2ConfigPei depex on it when built for ARM or AARCH64.
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Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=2560
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Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
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Reviewed-by: Laszlo Ersek <lersek@redhat.com>
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Signed-off-by: jiangfangjie <jiangfangjie@huawei.com>
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---
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OvmfPkg/OvmfPkg.dec | 5 +++++
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OvmfPkg/Tcg/Tcg2Config/Tcg2ConfigPei.inf | 6 +++++-
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2 files changed, 10 insertions(+), 1 deletion(-)
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diff --git a/OvmfPkg/OvmfPkg.dec b/OvmfPkg/OvmfPkg.dec
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index 4c5b651..7c27f01 100644
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--- a/OvmfPkg/OvmfPkg.dec
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+++ b/OvmfPkg/OvmfPkg.dec
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@@ -87,6 +87,11 @@
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gEfiLegacyBiosGuid = {0x2E3044AC, 0x879F, 0x490F, {0x97, 0x60, 0xBB, 0xDF, 0xAF, 0x69, 0x5F, 0x50}}
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gEfiLegacyDevOrderVariableGuid = {0xa56074db, 0x65fe, 0x45f7, {0xbd, 0x21, 0x2d, 0x2b, 0xdd, 0x8e, 0x96, 0x52}}
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+[Ppis]
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+ # PPI whose presence in the PPI database signals that the TPM base address
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+ # has been discovered and recorded
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+ gOvmfTpmDiscoveredPpiGuid = {0xb9a61ad0, 0x2802, 0x41f3, {0xb5, 0x13, 0x96, 0x51, 0xce, 0x6b, 0xd5, 0x75}}
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+
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[Protocols]
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gVirtioDeviceProtocolGuid = {0xfa920010, 0x6785, 0x4941, {0xb6, 0xec, 0x49, 0x8c, 0x57, 0x9f, 0x16, 0x0a}}
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gXenBusProtocolGuid = {0x3d3ca290, 0xb9a5, 0x11e3, {0xb7, 0x5d, 0xb8, 0xac, 0x6f, 0x7d, 0x65, 0xe6}}
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diff --git a/OvmfPkg/Tcg/Tcg2Config/Tcg2ConfigPei.inf b/OvmfPkg/Tcg/Tcg2Config/Tcg2ConfigPei.inf
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index e34cd62..6673ce0 100644
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--- a/OvmfPkg/Tcg/Tcg2Config/Tcg2ConfigPei.inf
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+++ b/OvmfPkg/Tcg/Tcg2Config/Tcg2ConfigPei.inf
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@@ -25,6 +25,7 @@
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[Packages]
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MdePkg/MdePkg.dec
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MdeModulePkg/MdeModulePkg.dec
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+ OvmfPkg/OvmfPkg.dec
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SecurityPkg/SecurityPkg.dec
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[LibraryClasses]
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@@ -43,5 +44,8 @@
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[Pcd]
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gEfiSecurityPkgTokenSpaceGuid.PcdTpmInstanceGuid ## PRODUCES
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-[Depex]
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+[Depex.IA32, Depex.X64]
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TRUE
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+
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+[Depex.ARM, Depex.AARCH64]
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+ gOvmfTpmDiscoveredPpiGuid
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--
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2.18.2
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