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Sun, 11 Dec 2022 12:45:36 -0800 (PST) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Dragan Mladjenovic , Milica Lazarevic , Jiaxun Yang , Richard Henderson , =?utf-8?q?Philippe_Mathie?= =?utf-8?q?u-Daud=C3=A9?= , Djordje Todorovic , Aurelien Jarno , Bernhard Beschow Subject: [PATCH-for-8.0 v2 00/11] hw/mips/malta: Generate nanoMIPS bootloader with bootloader generator API Date: Sun, 11 Dec 2022 21:45:22 +0100 Message-Id: <20221211204533.85359-1-philmd@linaro.org> X-Mailer: git-send-email 2.38.1 MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::632; envelope-from=philmd@linaro.org; helo=mail-ej1-x632.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=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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Bernhard posted his "Consolidate PIIX south bridges" v3 series: https://lore.kernel.org/qemu-devel/20221204190553.3274-1-shentey@gmail.com/ However in order to simplify it, on the Malta board we need to set the PIIX IRQC[A:D] routing values via the embedded bootloader (used when no external BIOS is provided). Jiaxun added a "bootloader generator API" for 32-bit wide instructions, and we use it in the write_bootloader() function. This series provides the nanoMIPS equivalent generated instructions and update the write_bootloader_nanomips() function. That allow fixing the TODO left in https://lore.kernel.org/qemu-devel/20221027204720.33611-3-philmd@linaro.org/ and apply Bernhard's consolidation. Since v1: - addressed review comments - generate JALRc - split write_bootloader_nanomips() convertion in 5 parts - use bl_gen_jump_kernel() - merge common code to bl_setup_gt64120_jump_kernel() Philippe Mathieu-Daudé (11): hw/mips/bootloader: Handle buffers as opaque arrays hw/mips/bootloader: Implement nanoMIPS NOP opcode generator hw/mips/bootloader: Implement nanoMIPS SW opcode generator hw/mips/bootloader: Implement nanoMIPS LI (LUI+ORI) opcode generator hw/mips/bootloader: Implement nanoMIPS JALRc opcode generator hw/mips/malta: Use bootloader generator API for nanoMIPS CPUs (1/5) hw/mips/malta: Use bootloader generator API for nanoMIPS CPUs (2/5) hw/mips/malta: Use bootloader generator API for nanoMIPS CPUs (3/5) hw/mips/malta: Use bootloader generator API for nanoMIPS CPUs (4/5) hw/mips/malta: Use bootloader generator API for nanoMIPS CPUs (5/5) hw/mips/malta: Merge common BL code as bl_setup_gt64120_jump_kernel() hw/mips/bootloader.c | 141 ++++++++++++++---- hw/mips/malta.c | 281 ++++++++--------------------------- include/hw/mips/bootloader.h | 10 +- 3 files changed, 177 insertions(+), 255 deletions(-)