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(216-180-64-156.dyn.novuscom.net. [216.180.64.156]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2161e5a6f23sm11720395ad.266.2024.12.06.11.23.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 06 Dec 2024 11:23:03 -0800 (PST) From: Pierrick Bouvier To: qemu-devel@nongnu.org Cc: Troy Lee , qemu-arm@nongnu.org, "Edgar E. Iglesias" , =?utf-8?q?C=C3=A9dric_Le_Go?= =?utf-8?q?ater?= , Jamin Lin , Niek Linnenbank , Peter Maydell , Joel Stanley , Alistair Francis , Steven Lee , Andrew Jeffery , alex.bennee@linaro.org, Pierrick Bouvier , =?utf-8?q?C=C3=A9dric_Le_Go?= =?utf-8?q?ater?= Subject: [PATCH v3 2/4] docs/system/arm/fby35: document execute-in-place property Date: Fri, 6 Dec 2024 11:22:52 -0800 Message-Id: <20241206192254.3889131-3-pierrick.bouvier@linaro.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20241206192254.3889131-1-pierrick.bouvier@linaro.org> References: <20241206192254.3889131-1-pierrick.bouvier@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::635; envelope-from=pierrick.bouvier@linaro.org; helo=mail-pl1-x635.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable 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+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org Reviewed-by: Cédric Le Goater Signed-off-by: Pierrick Bouvier --- docs/system/arm/fby35.rst | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/docs/system/arm/fby35.rst b/docs/system/arm/fby35.rst index bf6da6baa2a..e19274e75c8 100644 --- a/docs/system/arm/fby35.rst +++ b/docs/system/arm/fby35.rst @@ -45,3 +45,8 @@ process starts. $ screen /dev/tty0 # In a separate TMUX pane, terminal window, etc. $ screen /dev/tty1 $ (qemu) c # Start the boot process once screen is setup. + +This machine model supports emulation of the boot from the CE0 flash device by +setting option ``execute-in-place``. When using this option, the CPU fetches +instructions to execute by reading CE0 and not from a preloaded ROM +initialized at machine init time. As a result, execution will be slower.