[PULL 04/18] hw/arm/xilinx_zynq: Fix IRQ/FIQ routing

Maintainers: Radoslaw Biernacki <rad@semihalf.com>, Peter Maydell <peter.maydell@linaro.org>, Leif Lindholm <quic_llindhol@quicinc.com>, Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>, Shannon Zhao <shannon.zhaosl@gmail.com>, "Michael S. Tsirkin" <mst@redhat.com>, Igor Mammedov <imammedo@redhat.com>, Ani Sinha <anisinha@redhat.com>, "Edgar E. Iglesias" <edgar.iglesias@gmail.com>, Alistair Francis <alistair@alistair23.me>, Igor Mitsyanko <i.mitsyanko@gmail.com>, Vikram Garhwal <vikram.garhwal@amd.com>, Francisco Iglesias <francisco.iglesias@amd.com>, Pavel Pisa <pisa@cmp.felk.cvut.cz>, Jason Wang <jasowang@redhat.com>
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[PULL 04/18] hw/arm/xilinx_zynq: Fix IRQ/FIQ routing
Posted by Peter Maydell 5 months ago
From: Sebastian Huber <sebastian.huber@embedded-brains.de>

Fix the system bus interrupt line to CPU core assignment.

Fixes: ddcf58e044ce0 ("hw/arm/xilinx_zynq: Support up to two CPU cores")
Signed-off-by: Sebastian Huber <sebastian.huber@embedded-brains.de>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20240610052906.4432-1-sebastian.huber@embedded-brains.de
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 hw/arm/xilinx_zynq.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/hw/arm/xilinx_zynq.c b/hw/arm/xilinx_zynq.c
index 7f7a3d23fbe..c79661bbc1b 100644
--- a/hw/arm/xilinx_zynq.c
+++ b/hw/arm/xilinx_zynq.c
@@ -252,10 +252,11 @@ static void zynq_init(MachineState *machine)
     zynq_binfo.gic_cpu_if_addr = MPCORE_PERIPHBASE + 0x100;
     sysbus_create_varargs("l2x0", MPCORE_PERIPHBASE + 0x2000, NULL);
     for (n = 0; n < smp_cpus; n++) {
+        /* See "hw/intc/arm_gic.h" for the IRQ line association */
         DeviceState *cpudev = DEVICE(zynq_machine->cpu[n]);
-        sysbus_connect_irq(busdev, (2 * n) + 0,
+        sysbus_connect_irq(busdev, n,
                            qdev_get_gpio_in(cpudev, ARM_CPU_IRQ));
-        sysbus_connect_irq(busdev, (2 * n) + 1,
+        sysbus_connect_irq(busdev, smp_cpus + n,
                            qdev_get_gpio_in(cpudev, ARM_CPU_FIQ));
     }
 
-- 
2.34.1