From owner-freebsd-arm@freebsd.org Fri Jun 21 16:55:47 2019 Return-Path: Delivered-To: freebsd-arm@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 7014115B5EED for ; Fri, 21 Jun 2019 16:55:47 +0000 (UTC) (envelope-from vijaykumar9597@gmail.com) Received: from mail-io1-xd2d.google.com (mail-io1-xd2d.google.com [IPv6:2607:f8b0:4864:20::d2d]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 8BE61703C2 for ; Fri, 21 Jun 2019 16:55:46 +0000 (UTC) (envelope-from vijaykumar9597@gmail.com) Received: by mail-io1-xd2d.google.com with SMTP id u13so127643iop.0 for ; Fri, 21 Jun 2019 09:55:46 -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=6gj7ohtD729okPqcz1cJwIh8+TvSVRlDCbSEnDVFReE=; b=AVIc9KcgpCqSHsdSnfq+rk0DCIfbbUwUTJT+mTO/s4LJmCqipdp/kdiejM+SM5dLo2 +FzMmFctuY5XyU7s6mvqaqa0+Y2Vbc1k8uV8wXAe8C5toWjTHTwIgpBIBMND2T1vL43d 1Qhm73DislKW8imEuZHJV0BuG385wUa9McJ/K06ynmjVP9XBZ/PdoyR/r8c741AupIZP Pfsfmk7UWerte3pspv/Ii2/+XRMGg69H2ix3786n9zm/5qsMrtPlQ5ScIw3PZ8i6PEfv jJd4UGlIg1VOYfG26P9G1VWifqbNMLA5cOVet+GnsbdvuOyaAv21zzjzQsl/CIV7jP0S Xd1Q== 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=6gj7ohtD729okPqcz1cJwIh8+TvSVRlDCbSEnDVFReE=; b=N14thhj1m3nNakxqBkrsiSoRvX4LrW+RetW/K7yNUQoFOaEhced+S2gextMeDflzSn z1Zq1zQG9nVhsUCPxxvLxOvT7UdsQnAZz0XrT7yOsI8BDRWbhphhZegqcQa01YouM5vW TVir6LXwzgKvLebMGDJcmEd/hCkD8xe295X/171xkxB0TWOdoQUrALUwMQEbUZWplLv3 LiUvvVzEkhTXskgt+rJBDqUy93Dr67QAcW4GDaWptofoGMAp1CcQnoDYfeYedkzHhjjh ieiWShOMQpDvjEDn26GZoblLy8dG8ZNwbLoB9QcfyTO534xH7u0VOsf2M628HdCkOU61 gl9w== X-Gm-Message-State: APjAAAUR3lCKVJZ7njVHqwXRljr7nvhRuVadjJGudVEH7phJ8dy5XtuC BfCVQmEr2sPP/OlsfkEcvVLX0IklLCMu/mECib7bzLL2 X-Google-Smtp-Source: APXvYqz1iX5dfIrny/S8Zz50lJAaTWHdszl9M6dGQZ8FYdc2J+H/7tJihJWNq7+7bR3rFAym3qsJAzkxL7lM1AJKBNs= X-Received: by 2002:a5e:890f:: with SMTP id k15mr2511049ioj.121.1561136145502; Fri, 21 Jun 2019 09:55:45 -0700 (PDT) MIME-Version: 1.0 From: Vijay Kumar Banerjee Date: Fri, 21 Jun 2019 22:25:34 +0530 Message-ID: Subject: Writing to /dev/fb0 To: freebsd-arm@freebsd.org X-Rspamd-Queue-Id: 8BE61703C2 X-Spamd-Bar: ------ Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=AVIc9Kcg; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of vijaykumar9597@gmail.com designates 2607:f8b0:4864:20::d2d as permitted sender) smtp.mailfrom=vijaykumar9597@gmail.com X-Spamd-Result: default: False [-6.78 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20161025]; FROM_HAS_DN(0.00)[]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36]; FREEMAIL_FROM(0.00)[gmail.com]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-arm@freebsd.org]; TO_DN_NONE(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; RCVD_TLS_LAST(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DKIM_TRACE(0.00)[gmail.com:+]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; RCVD_IN_DNSWL_NONE(0.00)[d.2.d.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.4.6.8.4.0.b.8.f.7.0.6.2.list.dnswl.org : 127.0.5.0]; MX_GOOD(-0.01)[cached: alt3.gmail-smtp-in.l.google.com]; IP_SCORE(-2.97)[ip: (-9.31), ipnet: 2607:f8b0::/32(-3.15), asn: 15169(-2.32), country: US(-0.06)]; NEURAL_HAM_SHORT(-0.81)[-0.806,0]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+,1:+]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; RCVD_COUNT_TWO(0.00)[2]; DWL_DNSWL_NONE(0.00)[gmail.com.dwl.dnswl.org : 127.0.5.0] Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.29 X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Porting FreeBSD to ARM processors." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 21 Jun 2019 16:55:47 -0000 Hello everyone, I'm working on porting the Framebuffer driver from FreeBSD to RTEMS for BeagleboneBlack. I am in search of a sample/test application that I can use to directly access the fb0 device and write something to it. The purpose is to test the created fb0 device and work with it without any heavy application like X. Something as minimalistic as: `cat /dev/urandom > /dev/fb0` But this doesn't work on the FreeBSD. Any suggestions on how to test the fb0 device and how to write random pixels, or maybe draw a line? Thanks in advance, Vijay