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[90.88.192.142]) by smtp.gmail.com with ESMTPSA id k7sm8273575wrq.12.2020.02.27.06.40.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 27 Feb 2020 06:40:59 -0800 (PST) From: "Ard Biesheuvel" To: devel@edk2.groups.io Cc: Ard Biesheuvel , lersek@redhat.com, eric.auger@redhat.com, philmd@redhat.com, marcandre.lureau@redhat.com, stefanb@linux.ibm.com, leif@nuviainc.com Subject: [edk2-devel] [PATCH v4 01/11] OvmfPkg/Tcg2ConfigPei: introduce a signalling PPI to depex on Date: Thu, 27 Feb 2020 15:40:46 +0100 Message-Id: <20200227144056.56988-2-ard.biesheuvel@linaro.org> In-Reply-To: <20200227144056.56988-1-ard.biesheuvel@linaro.org> References: <20200227144056.56988-1-ard.biesheuvel@linaro.org> MIME-Version: 1.0 Precedence: Bulk List-Unsubscribe: Sender: devel@edk2.groups.io List-Id: Mailing-List: list devel@edk2.groups.io; contact devel+owner@edk2.groups.io Reply-To: devel@edk2.groups.io,ard.biesheuvel@linaro.org Content-Transfer-Encoding: quoted-printable DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=groups.io; q=dns/txt; s=20140610; t=1582814463; bh=TBfoRVgHZp7fYKBRetAKr5Yw+zO7a52OlIRTIM+ECis=; h=Cc:Date:From:Reply-To:Subject:To; b=YTBlWe7wyIboi0AqsyjIiL/OUGBxqnjXSAuu+g3qP3rVlwrzawgcc90oVoHl1Pzj4Nw 3mRAnyz3pYkQIN7Yf0DVLA56dKqbA7p8AoGs+Tuz/DTxUDbsTwFgCb7vuJ3eNiILcV6HB BHm3haxZUyK+0iRKu4tCWh1o2NTbK5VEN14= X-ZohoMail-DKIM: pass (identity @groups.io) Content-Type: text/plain; charset="utf-8" On ARM systems, the TPM does not live at a fixed address, and so we need the platform to discover it first. So introduce a PPI that signals that the TPM address has been discovered and recorded in the appropriate PCD, and make Tcg2ConfigPei depex on it when built for ARM or AARCH64. Signed-off-by: Ard Biesheuvel Reviewed-by: Laszlo Ersek --- OvmfPkg/OvmfPkg.dec | 5 +++++ OvmfPkg/Tcg/Tcg2Config/Tcg2ConfigPei.inf | 6 +++++- 2 files changed, 10 insertions(+), 1 deletion(-) diff --git a/OvmfPkg/OvmfPkg.dec b/OvmfPkg/OvmfPkg.dec index 4c5b6511cb97..30faecb7a5c8 100644 --- a/OvmfPkg/OvmfPkg.dec +++ b/OvmfPkg/OvmfPkg.dec @@ -87,6 +87,11 @@ [Guids] gEfiLegacyBiosGuid =3D {0x2E3044AC, 0x879F, 0x490F, {0x= 97, 0x60, 0xBB, 0xDF, 0xAF, 0x69, 0x5F, 0x50}} gEfiLegacyDevOrderVariableGuid =3D {0xa56074db, 0x65fe, 0x45f7, {0x= bd, 0x21, 0x2d, 0x2b, 0xdd, 0x8e, 0x96, 0x52}} =20 +[Ppis] + # PPI whose presence in the PPI database signals that the TPM base addre= ss + # has been discovered and recorded + gOvmfTpmDiscoveredPpiGuid =3D {0xb9a61ad0, 0x2802, 0x41f3, {0x= b5, 0x13, 0x96, 0x51, 0xce, 0x6b, 0xd5, 0x75}} + [Protocols] gVirtioDeviceProtocolGuid =3D {0xfa920010, 0x6785, 0x4941, {0x= b6, 0xec, 0x49, 0x8c, 0x57, 0x9f, 0x16, 0x0a}} gXenBusProtocolGuid =3D {0x3d3ca290, 0xb9a5, 0x11e3, {0x= b7, 0x5d, 0xb8, 0xac, 0x6f, 0x7d, 0x65, 0xe6}} diff --git a/OvmfPkg/Tcg/Tcg2Config/Tcg2ConfigPei.inf b/OvmfPkg/Tcg/Tcg2Con= fig/Tcg2ConfigPei.inf index e34cd6210611..55684ba045b3 100644 --- a/OvmfPkg/Tcg/Tcg2Config/Tcg2ConfigPei.inf +++ b/OvmfPkg/Tcg/Tcg2Config/Tcg2ConfigPei.inf @@ -25,6 +25,7 @@ [Sources] [Packages] MdePkg/MdePkg.dec MdeModulePkg/MdeModulePkg.dec + OvmfPkg/OvmfPkg.dec SecurityPkg/SecurityPkg.dec =20 [LibraryClasses] @@ -43,5 +44,8 @@ [Ppis] [Pcd] gEfiSecurityPkgTokenSpaceGuid.PcdTpmInstanceGuid ## PROD= UCES =20 -[Depex] +[Depex.IA32, Depex.X64] TRUE + +[Depex.ARM, Depex.AARCH64] + gOvmfTpmDiscoveredPpiGuid --=20 2.20.1 -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D- Groups.io Links: You receive all messages sent to this group. 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