openpic: Unfold write_IRQreg

[qemu.git] / hw / gus.c

diff --git a/hw/gus.c b/hw/gus.c
index 3df10e29e7e4159d8b75ffbf96b1b78afb4a3fb1..37e543aa255ffe4adf628b54d46aed2bdb5300af 100644 (file)
--- a/hw/gus.c
+++ b/hw/gus.c
@@ -156,8 +156,8 @@ static void GUS_callback (void *opaque, int free)
     }
     s->left = samples;
 
-reset:
-    gus_irqgen (&s->emu, (double) (net * 1000000) / s->freq);
+ reset:
+    gus_irqgen (&s->emu, muldiv64 (net, 1000000, s->freq));
 }
 
 int GUS_irqrequest (GUSEmuState *emu, int hwirq, int n)
@@ -215,35 +215,22 @@ static int GUS_read_DMA (void *opaque, int nchan, int dma_pos, int dma_len)
     return dma_len;
 }
 
-static void GUS_save (QEMUFile *f, void *opaque)
-{
-    GUSState *s = opaque;
-
-    qemu_put_be32 (f, s->pos);
-    qemu_put_be32 (f, s->left);
-    qemu_put_be32 (f, s->shift);
-    qemu_put_be32 (f, s->irqs);
-    qemu_put_be32 (f, s->samples);
-    qemu_put_be64 (f, s->last_ticks);
-    qemu_put_buffer (f, s->himem, sizeof (s->himem));
-}
-
-static int GUS_load (QEMUFile *f, void *opaque, int version_id)
-{
-    GUSState *s = opaque;
-
-    if (version_id != 2)
-        return -EINVAL;
-
-    s->pos = qemu_get_be32 (f);
-    s->left = qemu_get_be32 (f);
-    s->shift = qemu_get_be32 (f);
-    s->irqs = qemu_get_be32 (f);
-    s->samples = qemu_get_be32 (f);
-    s->last_ticks = qemu_get_be64 (f);
-    qemu_get_buffer (f, s->himem, sizeof (s->himem));
-    return 0;
-}
+static const VMStateDescription vmstate_gus = {
+    .name = "gus",
+    .version_id = 2,
+    .minimum_version_id = 2,
+    .minimum_version_id_old = 2,
+    .fields      = (VMStateField []) {
+        VMSTATE_INT32(pos, GUSState),
+        VMSTATE_INT32(left, GUSState),
+        VMSTATE_INT32(shift, GUSState),
+        VMSTATE_INT32(irqs, GUSState),
+        VMSTATE_INT32(samples, GUSState),
+        VMSTATE_INT64(last_ticks, GUSState),
+        VMSTATE_BUFFER(himem, GUSState),
+        VMSTATE_END_OF_LIST()
+    }
+};
 
 static int gus_initfn (ISADevice *dev)
 {
@@ -268,30 +255,33 @@ static int gus_initfn (ISADevice *dev)
 
     if (!s->voice) {
         AUD_remove_card (&s->card);
-        qemu_free (s);
         return -1;
     }
 
     s->shift = 2;
     s->samples = AUD_get_buffer_size_out (s->voice) >> s->shift;
-    s->mixbuf = qemu_mallocz (s->samples << s->shift);
+    s->mixbuf = g_malloc0 (s->samples << s->shift);
 
     register_ioport_write (s->port, 1, 1, gus_writeb, s);
     register_ioport_write (s->port, 1, 2, gus_writew, s);
+    isa_init_ioport_range(dev, s->port, 2);
 
     register_ioport_read ((s->port + 0x100) & 0xf00, 1, 1, gus_readb, s);
     register_ioport_read ((s->port + 0x100) & 0xf00, 1, 2, gus_readw, s);
+    isa_init_ioport_range(dev, (s->port + 0x100) & 0xf00, 2);
 
     register_ioport_write (s->port + 6, 10, 1, gus_writeb, s);
     register_ioport_write (s->port + 6, 10, 2, gus_writew, s);
     register_ioport_read (s->port + 6, 10, 1, gus_readb, s);
     register_ioport_read (s->port + 6, 10, 2, gus_readw, s);
+    isa_init_ioport_range(dev, s->port + 6, 10);
 
 
     register_ioport_write (s->port + 0x100, 8, 1, gus_writeb, s);
     register_ioport_write (s->port + 0x100, 8, 2, gus_writew, s);
     register_ioport_read (s->port + 0x100, 8, 1, gus_readb, s);
     register_ioport_read (s->port + 0x100, 8, 2, gus_readw, s);
+    isa_init_ioport_range(dev, s->port + 0x100, 8);
 
     DMA_register_channel (s->emu.gusdma, GUS_read_DMA, s);
     s->emu.himemaddr = s->himem;
@@ -301,7 +291,6 @@ static int gus_initfn (ISADevice *dev)
 
     AUD_set_active_out (s->voice, 1);
 
-    register_savevm ("gus", 0, 2, GUS_save, GUS_load, s);
     return 0;
 }
 
@@ -315,6 +304,7 @@ static ISADeviceInfo gus_info = {
     .qdev.name     = "gus",
     .qdev.desc     = "Gravis Ultrasound GF1",
     .qdev.size     = sizeof (GUSState),
+    .qdev.vmsd     = &vmstate_gus,
     .init          = gus_initfn,
     .qdev.props    = (Property[]) {
         DEFINE_PROP_UINT32 ("freq",    GUSState, freq,        44100),