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[88.187.86.199]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4395a0558e2sm23185625e9.11.2025.02.12.07.44.09 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Wed, 12 Feb 2025 07:44:09 -0800 (PST) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: "Edgar E. Iglesias" , Alistair Francis , Peter Maydell , Rob Herring , Igor Mitsyanko , qemu-arm@nongnu.org, =?utf-8?q?Phil?= =?utf-8?q?ippe_Mathieu-Daud=C3=A9?= Subject: [PATCH v2 7/8] hw/arm/highbank: Specify explicitly the GIC has 128 external IRQs Date: Wed, 12 Feb 2025 16:43:32 +0100 Message-ID: <20250212154333.28644-8-philmd@linaro.org> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20250212154333.28644-1-philmd@linaro.org> References: <20250212154333.28644-1-philmd@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::430; envelope-from=philmd@linaro.org; helo=mail-wr1-x430.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 When not specified, Cortex-A9MP configures its GIC with 64 external IRQs, (see commit a32134aad89 "arm:make the number of GIC interrupts configurable"), and Cortex-15MP to 128 (see commit 528622421eb "hw/cpu/a15mpcore: Correct default value for num-irq"). The Caldexa Highbank board however expects a fixed set of 128 interrupts (see the fixed IRQ length when this board was added in commit 2488514cef2 ("arm: SoC model for Calxeda Highbank"). Add the GIC_EXT_IRQS definition (with a comment) to make that explicit. Except explicitly setting a property value to its same implicit value, there is no logical change intended. Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: Richard Henderson --- hw/arm/highbank.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/hw/arm/highbank.c b/hw/arm/highbank.c index 495704d9726..0f3c207d548 100644 --- a/hw/arm/highbank.c +++ b/hw/arm/highbank.c @@ -45,7 +45,7 @@ #define MVBAR_ADDR 0x200 #define BOARD_SETUP_ADDR (MVBAR_ADDR + 8 * sizeof(uint32_t)) -#define NIRQ_GIC 160 +#define GIC_EXT_IRQS 128 /* EnergyCore ECX-1000 & ECX-2000 */ /* Board init. */ @@ -180,7 +180,7 @@ static void calxeda_init(MachineState *machine, enum cxmachines machine_id) { DeviceState *dev = NULL; SysBusDevice *busdev; - qemu_irq pic[128]; + qemu_irq pic[GIC_EXT_IRQS]; int n; unsigned int smp_cpus = machine->smp.cpus; qemu_irq cpu_irq[4]; @@ -260,7 +260,7 @@ static void calxeda_init(MachineState *machine, enum cxmachines machine_id) break; } qdev_prop_set_uint32(dev, "num-cpu", smp_cpus); - qdev_prop_set_uint32(dev, "num-irq", NIRQ_GIC); + qdev_prop_set_uint32(dev, "num-irq", GIC_EXT_IRQS + GIC_INTERNAL); busdev = SYS_BUS_DEVICE(dev); sysbus_realize_and_unref(busdev, &error_fatal); sysbus_mmio_map(busdev, 0, MPCORE_PERIPHBASE); @@ -271,7 +271,7 @@ static void calxeda_init(MachineState *machine, enum cxmachines machine_id) sysbus_connect_irq(busdev, n + 3 * smp_cpus, cpu_vfiq[n]); } - for (n = 0; n < 128; n++) { + for (n = 0; n < GIC_EXT_IRQS; n++) { pic[n] = qdev_get_gpio_in(dev, n); }