From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-x230.google.com (mail-wm0-x230.google.com [IPv6:2a00:1450:400c:c09::230]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id 8F0F280428 for ; Wed, 22 Mar 2017 07:14:51 -0700 (PDT) Received: by mail-wm0-x230.google.com with SMTP id u132so38040481wmg.0 for ; Wed, 22 Mar 2017 07:14:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=QErS2H5o8xz0mu0PT5y1W/JOwnKF9Lssi5AssULqaLY=; b=NFFS/5BWUg8RsJ6H/IbVibDMEMK7+Bad4t0CMRdhLQBHIUNwYuexXodVDK3e4MtYG3 ZyOlhvDmE4W56avDKObR0QTKnC9ZrndOTxK57tW99MNumecsrAmbPjfBZslCnbFHDWxR xvwRtAh3+QKnwIzk/hFpkIE8sGxo0dZlD9qEjgtRFfdUsCxkQvzk/+bqM4Bvr67tTeZj 0p9o24MHLheV20G7ZLMdFdy+WTlrvFPbmyj1sEnEqi3asN7LmDs5jQSvMxblRHULPrk9 CFZUPIgVVpCUfnY4enlEUXlL+TwaPGz7qIlogy1+En/4r6ZWcyASN/Zxtqom865JLXoM EelQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=QErS2H5o8xz0mu0PT5y1W/JOwnKF9Lssi5AssULqaLY=; b=A+2807lFE4rtEnjmR3ImLunP/d8srjxziYMmmKKfzk62Oxph+NRljkKADz6hlaCcnR zD+YEY/HuiTFMyqo438z2rD+Zx2upEAAfIh2/dKv+8HUpQvIdVGDA6+8nlI9QNMLakcW r/GlXWGRhTxaaO1wXRTABg4jwiI/mqr7pd53VWWP3u5ls57qzAe5ibQLhBBTJg+SjPt3 I2WaBVIeQTOKevLIvpvgfd1QJoCGv3SkL7ZNIx3Bjjswk3sHbIT0gGDJXSvUSFnBA+6j 0Op5YnP4R1RXDjObLbwmvrkiHN3yjNF+U582Fja9IYphR00kMpSvTyDBEXyp307azHVe Gnag== X-Gm-Message-State: AFeK/H3i5+CYHD4Jibf2Qr01hCOkE7A4bD48eZXgQ5sa6PQ6LTbu6Ve1jUC8I2BLDs/5Y0cm8IJfkzZyzEVTJw== X-Received: by 10.28.105.8 with SMTP id e8mr8109971wmc.122.1490192090029; Wed, 22 Mar 2017 07:14:50 -0700 (PDT) MIME-Version: 1.0 Received: by 10.28.225.138 with HTTP; Wed, 22 Mar 2017 07:14:49 -0700 (PDT) From: William Tambe Date: Wed, 22 Mar 2017 09:14:49 -0500 Message-ID: To: edk2-devel@lists.01.org X-Content-Filtered-By: Mailman/MimeDel 2.1.22 Subject: Page Table initialization and update in SMM mode X-BeenThere: edk2-devel@lists.01.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: EDK II Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 22 Mar 2017 14:14:52 -0000 Content-Type: text/plain; charset=UTF-8 Dear all, When building OVMF with SMM_REQUIRE: - Would you know where in the code base the Page Table set in the Cr3 register is initialized during boot ? - Where does it get updated when a new page needs to be allocated or freed ? - Or is there a hook I can register myself to in order to get a chance to review an entry to be added or removed from the Page Tables ? Sincerely, William Tambe