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Fri, 13 Mar 2026 21:57:18 +0100 MIME-Version: 1.0 Date: Fri, 13 Mar 2026 21:57:18 +0100 To: Julien Olivain Cc: buildroot@buildroot.org, Thomas Petazzoni In-Reply-To: <20260303202708.2065406-1-ju.o@free.fr> References: <20260303202708.2065406-1-ju.o@free.fr> User-Agent: Webmail Free/1.6.13 Message-ID: X-Sender: ju.o@free.fr X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=free.fr; s=smtp-20201208; t=1773435440; bh=yZa0vrLGejzL652s/+yAnVlYZY+2MbB2DWiktuNjS+Q=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=YjJoEU4bekOgiwcC4xTFAD0eiX5izmNqlav/RzDD3e2DN9aMFpsiP9R2BmYDBy2gl NisMmPv4rly2zRA0f+rN9sFbzikgjSQj8ydwFb3G+4iuc9dle4bzVj2IgT24RivgC2 XTpy5CwvhMF5VN8Z9wZpdBes9utRRtk1y0zyKohJhnQWB9I6iqAv0RczxF5B83OsVl mthdlKiMFYM37lRk/jzZuU39z8Xjzb3BjUdSpedNZJLJxfg+TUPVKQDaSX7P1u+SZ/ kiHr0JOvUcECqe5NHTRnvAgxk0wFqKEum+18aIR4MsO5USeNK90ZWboY81zGXYeoOx xnWz5uTbS7FIA== X-Mailman-Original-Authentication-Results: smtp1.osuosl.org; dmarc=pass (p=quarantine dis=none) header.from=free.fr X-Mailman-Original-Authentication-Results: smtp1.osuosl.org; dkim=pass (2048-bit key, unprotected) header.d=free.fr header.i=@free.fr header.a=rsa-sha256 header.s=smtp-20201208 header.b=YjJoEU4b Subject: Re: [Buildroot] [PATCH next 1/4] arch/arm: add the Neoverse-V1 core X-BeenThere: buildroot@buildroot.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Discussion and development of buildroot List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Julien Olivain via buildroot Reply-To: Julien Olivain Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: buildroot-bounces@buildroot.org Sender: "buildroot" On 03/03/2026 21:27, Julien Olivain via buildroot wrote: > This commit adds the Neoverse-V1 core, which is an armv8.4a ISA. > See: [1] [2]. > > This CPU support was added in GCC 11. See [3] [4] [5]. > > This CPU supports Aarch64 at all exception levels (EL0 to EL3). > It also supports Aarch32 only in EL0 (user-space). This means it's > technically possible to compile Aarch32 code. GCC has the support > to do so. Since Buildroot recompiles a full system (ATF, Kernel, > user-space) this support has limited value. This is why this > CPU is limited to 64bit builds only. > > Qemu added neoverse-v1 support in upstream commit [6], first included > in v8.1.0. > > [1] https://developer.arm.com/Processors/Neoverse%20V1 > [2] > https://developer.arm.com/documentation/101427/0102/Functional-description/Introduction/About-the-core > [3] https://gcc.gnu.org/gcc-11/changes.html#arm-targets > [4] > https://gcc.gnu.org/git/?p=gcc.git;a=blob;f=gcc/config/aarch64/aarch64-cores.def;hb=releases/gcc-11.1.0#l141 > [5] > https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=c9d56eb777552ac5ee0c281e1f6e34b6fe929b77 > [6] > https://gitlab.com/qemu-project/qemu/-/commit/c74138c6c040b62e941326a4fbb25a93fdd35b72 > > Signed-off-by: Julien Olivain Series applied to master. For the record, I added a note in the commit log about the binutils support for Neoverse V2/V3. _______________________________________________ buildroot mailing list buildroot@buildroot.org https://lists.buildroot.org/mailman/listinfo/buildroot