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Mon, 13 Apr 2026 12:15:47 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Alexander Shiyan Date: Mon, 13 Apr 2026 22:15:35 +0300 X-Gm-Features: AQROBzAvRi-bJ0MjQejCTWkMilh49qPJBUxzkvQsdz68qTe28P4sfVPELFAE41U Message-ID: To: Ahmad Fatoum Cc: Barebox List Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260413_121548_378831_AB5F019D X-CRM114-Status: GOOD ( 18.41 ) X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-4.3 required=4.0 tests=AWL,BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FORGED_GMAIL_RCVD,FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE autolearn=ham autolearn_force=no version=3.4.2 Subject: Re: blspec X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) Hello Ahmad. Is it possible to implement a similar provider that parses extlinux.conf (i.e. finds DEFAULT, reads the corresponding LABEL section, extracts KERNEL, INITRD, APPEND) and creates boot records based on it? Thanks! =D0=BF=D0=BD, 13 =D0=B0=D0=BF=D1=80. 2026=E2=80=AF=D0=B3. =D0=B2 17:01, Ahm= ad Fatoum : > > Hello Alexander, > > On 4/10/26 4:02 PM, Alexander Shiyan wrote: > > Hello All. > > > > Can anyone explain how to use the built-in blspec support? > > I would like to try setting up booting via exlinux.conf... > > exlinux.conf and bootloader spec are different formats. > > Here's a bootloader spec example: > > $ cat /loader/entries/imx8mp-evk.conf > title PTXdist - Pengutronix-DistroKit imx8mp-evk > version 6.18 > options rootwait > linux /boot/Image > devicetree /boot/imx8mp-evk.dtb > linux-appendroot true > > > You can have multiple files under /loader/entries and barebox will > iterate over them, extract the compatible of the referenced devicetree, > compare it against its own and then decide what to boot. > > The linux-appendroot key is barebox-specific and means barebox should > fixup root=3D according to the device it found the bootloader spec file > on. This is useful for the case where the bootloader spec files are > directly in the rootfs and not in a separate partition. > > Cheers, > Ahmad > > > > > > > Thanks! > > > > > > -- > Pengutronix e.K. | | > Steuerwalder Str. 21 | http://www.pengutronix.de/ | > 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | > Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | >