From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-in7.apple.com (mail-out7.apple.com [17.151.62.29]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id 5128B20958BC5 for ; Thu, 31 Aug 2017 11:44:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; d=apple.com; s=mailout2048s; c=relaxed/simple; q=dns/txt; i=@apple.com; t=1504205230; h=From:Sender:Reply-To:Subject:Date:Message-id:To:Cc:MIME-version:Content-type: Content-transfer-encoding:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-reply-to:References:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=54FFJHVguE6tsEbyaGB/N2es0IEd/Wl0TUqsn+2z4dM=; b=u1bd8X/Yf3EccdHg+EmE54z+ILOmx9/PNcVewLsYzN4/XJY/fT1tn+U6oNWVOV9g 9DsYjD0+jHwECYE4lvv8Nauz2xRP55AWPSNuWOBt/McdWZJ00WZwZQfnqvI16RM8 JdexK3NCI73ERzpRvEjMq1K4a33uLKFO9gXgC+cylDyrHRmamy5fmB5gsh7FHwNj A1+TUFhRMR5SQPQhKzusFSFP625Bxejmgl+nIC2vJK2GbY5aNN6OUaF/gvtKWBUr 53AH5mIsJ65tTP148af8PesCskgpCT5IRXL5VKTUPyhPH7b5xKzwqHaDQ+H7N74q NOEaxQFzkNQTPj8bkinkeg==; Received: from relay5.apple.com (relay5.apple.com [17.128.113.88]) (using TLS with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mail-in7.apple.com (Apple Secure Mail Relay) with SMTP id 6C.83.13985.EA958A95; Thu, 31 Aug 2017 11:47:10 -0700 (PDT) X-AuditID: 11973e16-31fff700000036a1-45-59a859ae7fd4 Received: from nwk-mmpp-sz09.apple.com (nwk-mmpp-sz09.apple.com [17.128.115.80]) by relay5.apple.com (Apple SCV relay) with SMTP id 4E.F3.10385.EA958A95; Thu, 31 Aug 2017 11:47:10 -0700 (PDT) MIME-version: 1.0 Received: from [17.114.154.98] by nwk-mmpp-sz09.apple.com (Oracle Communications Messaging Server 8.0.1.3.20170825 64bit (built Aug 25 2017)) with ESMTPSA id <0OVK005U8C6MAE70@nwk-mmpp-sz09.apple.com>; Thu, 31 Aug 2017 11:47:10 -0700 (PDT) Sender: afish@apple.com From: Andrew Fish In-reply-to: <1E4DA6F54C53C24B98E8E8D172B945AF02B56F59@ZXBJMBX01.zhaoxin.com> Date: Thu, 31 Aug 2017 11:47:12 -0700 Cc: "edk2-devel@lists.01.org" Message-id: References: <1E4DA6F54C53C24B98E8E8D172B945AF02B56F59@ZXBJMBX01.zhaoxin.com> To: Tiger Liu X-Mailer: Apple Mail (2.3273) X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrJLMWRmVeSWpSXmKPExsUi2FAYobsuckWkwdJJehZ7Dh1ltrgxay2T A5NH9+x/LB6/bt1iCWCK4rJJSc3JLEst0rdL4Mrom7iAsWAJb8XkM3YNjNu4uxg5OSQETCRe NL5n72Lk4hASWM0ksWnDfTaYxL9pnWwQiYOMEmtvvWEESfAKCEr8mHyPpYuRg4NZQF1iypRc kLCQwFdGiTXH3UFsYQFxiXdnNjFD2PYSP072gbWyCShLrJj/gR3E5hTwlbh5GWIki4CqxO5n EHuZBcwlZlz4wgRha0s8eXeBFWKtjUTX5EesELt8JB53XgerERFQkVixZhcrxM2yErdmX2IG uVlCYAmbxJ4HU5knMArPQnL2LISzZyFZsYCReRWjUG5iZo5uZp65XmJBQU6qXnJ+7iZGUFhP txPbwfhwldUhRgEORiUe3hVcKyKFWBPLiitzDzFKc7AoifO6CC2LFBJITyxJzU5NLUgtii8q zUktPsTIxMEp1cC40fPeec5FN2bwzcjQ8rQ+OPVlsrpi08ZtB3i5Daui4jT8pVfOtXLY3V6w 5uLWpR/r3/44vVxkK/+sb7ddLOYZzD7gUqK5Xvjd1f/xtw4teazJPUOvbVIpf6159n77k0s9 GsOPPpnNPd3w65ozF1uCneZkxpx8mvleSZU91VaKQ+87V4J3WMNXJZbijERDLeai4kQAQmla e0wCAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFupmkeLIzCtJLcpLzFFi42IRbCgO0F0XuSLS4MV7LYs9h44yW9yYtZbJ gcmje/Y/Fo9ft26xBDBFcdmkpOZklqUW6dslcGX0TVzAWLCEt2LyGbsGxm3cXYycHBICJhL/ pnWydTFycQgJHGSUWHvrDSNIgldAUOLH5HssXYwcHMwC6hJTpuSChIUEvjJKrDnuDmILC4hL vDuziRnCtpf4cbIPrJVNQFlixfwP7CA2p4CvxM3LECNZBFQldj+7zwZiMwuYS8y48IUJwtaW ePLuAivEWhuJrsmPWCF2+Ug87rwOViMioCKxYs0uVoibZSVuzb7EPIFRYBaSS2chXDoLydQF jMyrGAWKUnMSK031EgsKclL1kvNzNzGCw7AwYgfj/2VWhxgFOBiVeHhXcK2IFGJNLCuuzD3E KMHBrCTCu9QBKMSbklhZlVqUH19UmpNafIixCuiXicxSosn5wBjJK4k3NDExMDE2NjM2Njcx p4qwkjivWMqSSCGB9MSS1OzU1ILUIpjlTBycUsDo2+40q5WfIdXgZgibN3/lXJftXv4anws9 ZrksiZiZsPfArZlcpX0vA1yipwT/TTmyuIRlw5UZn9pm7O3KFrn6OsNhocWeaVwP/rzcdsz/ 5eFpSUdvR4ktWrNBOor9SMfmDTm3lK9ef78ueunyjd11GX6arctvqym/utXP+3jzw/DzrgoJ fotclViKMxINtZiLihMBLm+dF54CAAA= Subject: Re: Questions about uefi bios's vga 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: Thu, 31 Aug 2017 18:44:27 -0000 Content-type: text/plain; charset=utf-8 Content-transfer-encoding: quoted-printable > On Aug 31, 2017, at 2:08 AM, Tiger Liu wrote: >=20 > Hi, experts: > I have a question about uefi bios=E2=80=99s vga mode. > Could we use VGA=E2=80=99s text mode to boot into uefi shell = environment? >=20 > It seems vga class driver/mini port driver could support VGA=E2=80=99s = text mode. >=20 Tiger, You can always write a driver to produce the SipleTextOut protocol = directly to produce a console on an arbitrary device. Duet may already = have something close, I can't remember? > It seems gop driver support graphic mode. >=20 Yes GOP is a graphics abstraction, and the ROM carries the the code to = produce SimpleTextout on top of GOP. > Thanks >=20 >=20 > =E4=BF=9D=E5=AF=86=E5=A3=B0=E6=98=8E=EF=BC=9A > = =E6=9C=AC=E9=82=AE=E4=BB=B6=E5=90=AB=E6=9C=89=E4=BF=9D=E5=AF=86=E6=88=96=E4= =B8=93=E6=9C=89=E4=BF=A1=E6=81=AF=EF=BC=8C=E4=BB=85=E4=BE=9B=E6=8C=87=E5=AE= =9A=E6=94=B6=E4=BB=B6=E4=BA=BA=E4=BD=BF=E7=94=A8=E3=80=82=E4=B8=A5=E7=A6=81= =E5=AF=B9=E6=9C=AC=E9=82=AE=E4=BB=B6=E6=88=96=E5=85=B6=E5=86=85=E5=AE=B9=E5= =81=9A=E4=BB=BB=E4=BD=95=E6=9C=AA=E7=BB=8F=E6=8E=88=E6=9D=83=E7=9A=84=E6=9F= =A5=E9=98=85=E3=80=81=E4=BD=BF=E7=94=A8=E3=80=81=E5=A4=8D=E5=88=B6=E6=88=96= =E8=BD=AC=E5=8F=91=E3=80=82 > CONFIDENTIAL NOTE: > This email contains confidential or legally privileged information and = is for the sole use of its intended recipient. Any unauthorized review, = use, copying or forwarding of this email or the content of this email is = strictly prohibited. > _______________________________________________ > edk2-devel mailing list > edk2-devel@lists.01.org > https://lists.01.org/mailman/listinfo/edk2-devel