works with less than base ISA qemu-system-riscv32 -M virt -bios none -kernel output...

[qemu.git] / hw / intc / grlib_irqmp.c

diff --git a/hw/intc/grlib_irqmp.c b/hw/intc/grlib_irqmp.c
index 42e00bc4b8a7c8aa3b1f6c590f7f4ceef391c733..3bfe2544b7c5aa585bdc1062127884ad27623627 100644 (file)
--- a/hw/intc/grlib_irqmp.c
+++ b/hw/intc/grlib_irqmp.c
@@ -3,7 +3,7 @@
  *
  * (Multiprocessor and extended interrupt not supported)
  *
- * Copyright (c) 2010-2011 AdaCore
+ * Copyright (c) 2010-2019 AdaCore
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -24,12 +24,17 @@
  * THE SOFTWARE.
  */
 
+#include "qemu/osdep.h"
+#include "hw/irq.h"
 #include "hw/sysbus.h"
-#include "cpu.h"
 
+#include "hw/qdev-properties.h"
 #include "hw/sparc/grlib.h"
 
 #include "trace.h"
+#include "qapi/error.h"
+#include "qemu/module.h"
+#include "qom/object.h"
 
 #define IRQMP_MAX_CPU 16
 #define IRQMP_REG_SIZE 256      /* Size of memory mapped registers */
@@ -45,21 +50,20 @@
 #define FORCE_OFFSET     0x80
 #define EXTENDED_OFFSET  0xC0
 
-#define TYPE_GRLIB_IRQMP "grlib,irqmp"
-#define GRLIB_IRQMP(obj) OBJECT_CHECK(IRQMP, (obj), TYPE_GRLIB_IRQMP)
+#define MAX_PILS 16
+
+OBJECT_DECLARE_SIMPLE_TYPE(IRQMP, GRLIB_IRQMP)
 
 typedef struct IRQMPState IRQMPState;
 
-typedef struct IRQMP {
+struct IRQMP {
     SysBusDevice parent_obj;
 
     MemoryRegion iomem;
 
-    void *set_pil_in;
-    void *set_pil_in_opaque;
-
     IRQMPState *state;
-} IRQMP;
+    qemu_irq irq;
+};
 
 struct IRQMPState {
     uint32_t level;
@@ -79,7 +83,6 @@ static void grlib_irqmp_check_irqs(IRQMPState *state)
     uint32_t      pend   = 0;
     uint32_t      level0 = 0;
     uint32_t      level1 = 0;
-    set_pil_in_fn set_pil_in;
 
     assert(state != NULL);
     assert(state->parent != NULL);
@@ -94,14 +97,17 @@ static void grlib_irqmp_check_irqs(IRQMPState *state)
     trace_grlib_irqmp_check_irqs(state->pending, state->force[0],
                                  state->mask[0], level1, level0);
 
-    set_pil_in = (set_pil_in_fn)state->parent->set_pil_in;
-
     /* Trigger level1 interrupt first and level0 if there is no level1 */
-    if (level1 != 0) {
-        set_pil_in(state->parent->set_pil_in_opaque, level1);
-    } else {
-        set_pil_in(state->parent->set_pil_in_opaque, level0);
-    }
+    qemu_set_irq(state->parent->irq, level1 ?: level0);
+}
+
+static void grlib_irqmp_ack_mask(IRQMPState *state, uint32_t mask)
+{
+    /* Clear registers */
+    state->pending  &= ~mask;
+    state->force[0] &= ~mask; /* Only CPU 0 (No SMP support) */
+
+    grlib_irqmp_check_irqs(state);
 }
 
 void grlib_irqmp_ack(DeviceState *dev, int intno)
@@ -118,14 +124,10 @@ void grlib_irqmp_ack(DeviceState *dev, int intno)
 
     trace_grlib_irqmp_ack(intno);
 
-    /* Clear registers */
-    state->pending  &= ~mask;
-    state->force[0] &= ~mask; /* Only CPU 0 (No SMP support) */
-
-    grlib_irqmp_check_irqs(state);
+    grlib_irqmp_ack_mask(state, mask);
 }
 
-void grlib_irqmp_set_irq(void *opaque, int irq, int level)
+static void grlib_irqmp_set_irq(void *opaque, int irq, int level)
 {
     IRQMP      *irqmp = GRLIB_IRQMP(opaque);
     IRQMPState *s;
@@ -249,7 +251,7 @@ static void grlib_irqmp_write(void *opaque, hwaddr addr,
 
     case CLEAR_OFFSET:
         value &= ~1; /* clean up the value */
-        state->pending &= ~value;
+        grlib_irqmp_ack_mask(state, value);
         return;
 
     case MP_STATUS_OFFSET:
@@ -322,45 +324,33 @@ static void grlib_irqmp_reset(DeviceState *d)
     irqmp->state->parent = irqmp;
 }
 
-static int grlib_irqmp_init(SysBusDevice *dev)
+static void grlib_irqmp_init(Object *obj)
 {
-    IRQMP *irqmp = GRLIB_IRQMP(dev);
+    IRQMP *irqmp = GRLIB_IRQMP(obj);
+    SysBusDevice *dev = SYS_BUS_DEVICE(obj);
 
-    /* Check parameters */
-    if (irqmp->set_pil_in == NULL) {
-        return -1;
-    }
-
-    memory_region_init_io(&irqmp->iomem, OBJECT(dev), &grlib_irqmp_ops, irqmp,
+    qdev_init_gpio_in(DEVICE(obj), grlib_irqmp_set_irq, MAX_PILS);
+    qdev_init_gpio_out_named(DEVICE(obj), &irqmp->irq, "grlib-irq", 1);
+    memory_region_init_io(&irqmp->iomem, obj, &grlib_irqmp_ops, irqmp,
                           "irqmp", IRQMP_REG_SIZE);
 
     irqmp->state = g_malloc0(sizeof *irqmp->state);
 
     sysbus_init_mmio(dev, &irqmp->iomem);
-
-    return 0;
 }
 
-static Property grlib_irqmp_properties[] = {
-    DEFINE_PROP_PTR("set_pil_in", IRQMP, set_pil_in),
-    DEFINE_PROP_PTR("set_pil_in_opaque", IRQMP, set_pil_in_opaque),
-    DEFINE_PROP_END_OF_LIST(),
-};
-
 static void grlib_irqmp_class_init(ObjectClass *klass, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
-    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
 
-    k->init = grlib_irqmp_init;
     dc->reset = grlib_irqmp_reset;
-    dc->props = grlib_irqmp_properties;
 }
 
 static const TypeInfo grlib_irqmp_info = {
     .name          = TYPE_GRLIB_IRQMP,
     .parent        = TYPE_SYS_BUS_DEVICE,
     .instance_size = sizeof(IRQMP),
+    .instance_init = grlib_irqmp_init,
     .class_init    = grlib_irqmp_class_init,
 };