From patchwork Mon Oct 6 14:24:36 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jon Mason X-Patchwork-Id: 71714 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id AF591CCA471 for ; Mon, 6 Oct 2025 14:24:49 +0000 (UTC) Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by mx.groups.io with SMTP id smtpd.web10.35095.1759760679505798337 for ; Mon, 06 Oct 2025 07:24:39 -0700 Authentication-Results: mx.groups.io; dkim=none (message not signed); spf=pass (domain: arm.com, ip: 217.140.110.172, mailfrom: jon.mason@arm.com) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id DC7BB1515 for ; Mon, 6 Oct 2025 07:24:30 -0700 (PDT) Received: from H24V3P4C17.arm.com (usa-sjc-imap-foss1.foss.arm.com [10.121.207.14]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id BCDBA3F738 for ; Mon, 6 Oct 2025 07:24:38 -0700 (PDT) From: Jon Mason To: openembedded-core@lists.openembedded.org Subject: [PATCH v3 1/2] runqemu: remove setting of mem on kernel command line for certain systems Date: Mon, 6 Oct 2025 10:24:36 -0400 Message-ID: <20251006142437.18240-1-jon.mason@arm.com> X-Mailer: git-send-email 2.50.1 MIME-Version: 1.0 List-Id: X-Webhook-Received: from li982-79.members.linode.com [45.33.32.79] by aws-us-west-2-korg-lkml-1.web.codeaurora.org with HTTPS for ; Mon, 06 Oct 2025 14:24:49 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/224491 Some emulated hardware will not boot if mem is set on the kernel command line (all of the Raspberry Pi machines seemed to fail with this set, possibly many others). Also, it is not necessary if the device tree file is present, as that _should_ have the memory size specified in it. Add a check for QB_DTB and don't set mem in the kernel command line if present. Signed-off-by: Jon Mason --- scripts/runqemu | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/scripts/runqemu b/scripts/runqemu index 32c7a2aab3b5..a8144aa68c3d 100755 --- a/scripts/runqemu +++ b/scripts/runqemu @@ -884,7 +884,7 @@ to your build configuration. self.set('QB_MEM', qb_mem) mach = self.get('MACHINE') - if not mach.startswith(('qemumips', 'qemux86', 'qemuloongarch64')): + if not mach.startswith(('qemumips', 'qemux86', 'qemuloongarch64')) and self.get('QB_DTB') == "": self.kernel_cmdline_script += ' mem=%s' % self.get('QB_MEM').replace('-m','').strip() + 'M' self.qemu_opt_script += ' %s' % self.get('QB_MEM')