From: "yang.zhang" <[email protected]>

Since only root APLICs can have hw IRQ lines, aplic->parent should
be initialized first.

Fixes: e8f79343cf ("hw/intc: Add RISC-V AIA APLIC device emulation")
Reviewed-by: Daniel Henrique Barboza <[email protected]>
Signed-off-by: yang.zhang <[email protected]>
Cc: qemu-stable <[email protected]>
Message-ID: <[email protected]>
Signed-off-by: Alistair Francis <[email protected]>
(cherry picked from commit c76b121840c6ca79dc6305a5f4bcf17c72217d9c)
Signed-off-by: Michael Tokarev <[email protected]>

diff --git a/hw/intc/riscv_aplic.c b/hw/intc/riscv_aplic.c
index cfd007e629..961caff7b6 100644
--- a/hw/intc/riscv_aplic.c
+++ b/hw/intc/riscv_aplic.c
@@ -957,13 +957,13 @@ DeviceState *riscv_aplic_create(hwaddr addr, hwaddr size,
     qdev_prop_set_bit(dev, "msimode", msimode);
     qdev_prop_set_bit(dev, "mmode", mmode);
 
-    sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
-    sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, addr);
-
     if (parent) {
         riscv_aplic_add_child(parent, dev);
     }
 
+    sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
+    sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, addr);
+
     if (!msimode) {
         for (i = 0; i < num_harts; i++) {
             CPUState *cpu = qemu_get_cpu(hartid_base + i);
-- 
2.39.2


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