hw/ppc/virtex_ml507: Drop use of ppcuic_init()

Switch the virtex_ml507 board to directly creating and
configuring the UIC, rather than doing it via the old
ppcuic_init() helper function.

This fixes a trivial Coverity-detected memory leak where
we were leaking the array of IRQs returned by ppcuic_init().

Fixes: Coverity CID 1421992
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20201212001537.24520-4-peter.maydell@linaro.org>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>

hw/ppc/virtex_ml507.c

@@ -43,6 +43,7 @@
 #include "qemu/option.h"
 #include "exec/address-spaces.h"
 
+#include "hw/intc/ppc-uic.h"
 #include "hw/ppc/ppc.h"
 #include "hw/ppc/ppc4xx.h"
 #include "hw/qdev-properties.h"
@@ -95,7 +96,8 @@ static PowerPCCPU *ppc440_init_xilinx(const char *cpu_type, uint32_t sysclk)
 {
     PowerPCCPU *cpu;
     CPUPPCState *env;
-    qemu_irq *irqs;
+    DeviceState *uicdev;
+    SysBusDevice *uicsbd;
 
     cpu = POWERPC_CPU(cpu_create(cpu_type));
     env = &cpu->env;
@@ -105,10 +107,19 @@ static PowerPCCPU *ppc440_init_xilinx(const char *cpu_type, uint32_t sysclk)
     ppc_dcr_init(env, NULL, NULL);
 
     /* interrupt controller */
-    irqs = g_new0(qemu_irq, PPCUIC_OUTPUT_NB);
-    irqs[PPCUIC_OUTPUT_INT] = ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_INT];
-    irqs[PPCUIC_OUTPUT_CINT] = ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_CINT];
-    ppcuic_init(env, irqs, 0x0C0, 0, 1);
+    uicdev = qdev_new(TYPE_PPC_UIC);
+    uicsbd = SYS_BUS_DEVICE(uicdev);
+
+    object_property_set_link(OBJECT(uicdev), "cpu", OBJECT(cpu),
+                             &error_fatal);
+    sysbus_realize_and_unref(uicsbd, &error_fatal);
+
+    sysbus_connect_irq(uicsbd, PPCUIC_OUTPUT_INT,
+                       ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_INT]);
+    sysbus_connect_irq(uicsbd, PPCUIC_OUTPUT_CINT,
+                       ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_CINT]);
+
+    /* This board doesn't wire anything up to the inputs of the UIC. */
     return cpu;
 }