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authorJinjie Ruan <ruanjinjie@huawei.com>2024-04-19 14:33:05 +0100
committerPeter Maydell <peter.maydell@linaro.org>2024-04-25 10:21:05 +0100
commitc57e81889faa5823d0d47c14a4dfc45914205d71 (patch)
tree2487c8c3c2c7939241407d7f03e970361c46d666 /hw/intc
parentf3c26a44fe3dc27988f07b7e1c4155b9a55818fc (diff)
downloadfocaccia-qemu-c57e81889faa5823d0d47c14a4dfc45914205d71.tar.gz
focaccia-qemu-c57e81889faa5823d0d47c14a4dfc45914205d71.zip
hw/intc/arm_gicv3: Report the VINMI interrupt
In vCPU Interface, if the vIRQ has the non-maskable property, report
vINMI to the corresponding vPE.

Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20240407081733.3231820-23-ruanjinjie@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/intc')
-rw-r--r--hw/intc/arm_gicv3_cpuif.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/hw/intc/arm_gicv3_cpuif.c b/hw/intc/arm_gicv3_cpuif.c
index 2cf232d099..bdb13b00e9 100644
--- a/hw/intc/arm_gicv3_cpuif.c
+++ b/hw/intc/arm_gicv3_cpuif.c
@@ -481,6 +481,7 @@ void gicv3_cpuif_virt_irq_fiq_update(GICv3CPUState *cs)
     int idx;
     int irqlevel = 0;
     int fiqlevel = 0;
+    int nmilevel = 0;
 
     idx = hppvi_index(cs);
     trace_gicv3_cpuif_virt_update(gicv3_redist_affid(cs), idx,
@@ -498,9 +499,17 @@ void gicv3_cpuif_virt_irq_fiq_update(GICv3CPUState *cs)
         uint64_t lr = cs->ich_lr_el2[idx];
 
         if (icv_hppi_can_preempt(cs, lr)) {
-            /* Virtual interrupts are simple: G0 are always FIQ, and G1 IRQ */
+            /*
+             * Virtual interrupts are simple: G0 are always FIQ, and G1 are
+             * IRQ or NMI which depends on the ICH_LR<n>_EL2.NMI to have
+             * non-maskable property.
+             */
             if (lr & ICH_LR_EL2_GROUP) {
-                irqlevel = 1;
+                if (lr & ICH_LR_EL2_NMI) {
+                    nmilevel = 1;
+                } else {
+                    irqlevel = 1;
+                }
             } else {
                 fiqlevel = 1;
             }
@@ -510,6 +519,7 @@ void gicv3_cpuif_virt_irq_fiq_update(GICv3CPUState *cs)
     trace_gicv3_cpuif_virt_set_irqs(gicv3_redist_affid(cs), fiqlevel, irqlevel);
     qemu_set_irq(cs->parent_vfiq, fiqlevel);
     qemu_set_irq(cs->parent_virq, irqlevel);
+    qemu_set_irq(cs->parent_vnmi, nmilevel);
 }
 
 static void gicv3_cpuif_virt_update(GICv3CPUState *cs)