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Fri, 21 Mar 2025 15:41:54 +0000 (UTC) Received: from localhost (unknown [10.67.24.51]) by mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 43B16180175A; Fri, 21 Mar 2025 15:41:50 +0000 (UTC) From: Cornelia Huck To: Sebastian Ott Cc: eric.auger.pro@gmail.com, eric.auger@redhat.com, qemu-devel@nongnu.org, qemu-arm@nongnu.org, kvmarm@lists.linux.dev, peter.maydell@linaro.org, richard.henderson@linaro.org, alex.bennee@linaro.org, maz@kernel.org, oliver.upton@linux.dev, shameerali.kolothum.thodi@huawei.com, armbru@redhat.com, berrange@redhat.com, abologna@redhat.com, jdenemar@redhat.com, agraf@csgraf.de, shahuang@redhat.com, mark.rutland@arm.com, philmd@linaro.org, pbonzini@redhat.com Subject: Re: [PATCH v3 13/14] arm/cpu: Add sysreg generation scripts In-Reply-To: <17649857-752b-a149-3935-5bcbd5c50627@redhat.com> Organization: "Red Hat GmbH, Sitz: Werner-von-Siemens-Ring 12, D-85630 Grasbrunn, Handelsregister: Amtsgericht =?utf-8?Q?M=C3=BCnchen=2C?= HRB 153243, =?utf-8?Q?Gesch=C3=A4ftsf=C3=BChrer=3A?= Ryan Barnhart, Charles Cachera, Michael O'Neill, Amy Ross" References: <20250311162824.199721-1-cohuck@redhat.com> <20250311162824.199721-14-cohuck@redhat.com> <17649857-752b-a149-3935-5bcbd5c50627@redhat.com> User-Agent: Notmuch/0.38.3 (https://notmuchmail.org) Date: Fri, 21 Mar 2025 16:41:44 +0100 Message-ID: <87pliatmpz.fsf@redhat.com> MIME-Version: 1.0 Content-Type: text/plain X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.111 Received-SPF: pass client-ip=170.10.133.124; envelope-from=cohuck@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -23 X-Spam_score: -2.4 X-Spam_bar: -- X-Spam_report: (-2.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.332, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On Thu, Mar 20 2025, Sebastian Ott wrote: > On Tue, 11 Mar 2025, Cornelia Huck wrote: >> +++ b/scripts/gen-cpu-sysregs-header.awk > [...] >> +BEGIN { >> + print "" >> +} END { >> + print "" >> +} >> + >> +# skip blank lines and comment lines >> +/^$/ { next } >> +/^[\t ]*#/ { next } >> + >> +/^Sysreg\t/ || /^Sysreg /{ >> + >> + reg = $2 >> + op0 = $3 >> + op1 = $4 >> + crn = $5 >> + crm = $6 >> + op2 = $7 >> + >> + if (op0 == 3 && (op1>=0 && op1<=3) && crn==0 && (crm>=0 && crm<=7) && (op2>=0 && op2<=7)) { >> + idreg = 1 >> + } else { >> + idreg = 0 >> + } > > This doesn't seem to be used. I guess this is in preparation for later > usage, when this can do more than just the plain register definition? In fact, I might have got muddled a bit in my scripts, let me check. (I think we should simply skip out-of-range regs.)