typedef struct CSState {
ISADevice dev;
QEMUSoundCard card;
+ MemoryRegion ioports;
qemu_irq pic;
uint32_t regs[CS_REGS];
uint8_t dregs[CS_DREGS];
int16_t *tab;
} CSState;
-#define IO_READ_PROTO(name) \
- static uint32_t name (void *opaque, uint32_t addr)
-
-#define IO_WRITE_PROTO(name) \
- static void name (void *opaque, uint32_t addr, uint32_t val)
-
-#define GET_SADDR(addr) (addr & 3)
-
#define MODE2 (1 << 6)
#define MCE (1 << 6)
#define PMCE (1 << 4)
}
}
-IO_READ_PROTO (cs_read)
+static uint64_t cs_read(void *opaque, target_phys_addr_t addr, unsigned size)
{
CSState *s = opaque;
uint32_t saddr, iaddr, ret;
- saddr = GET_SADDR (addr);
+ saddr = addr;
iaddr = ~0U;
switch (saddr) {
return ret;
}
-IO_WRITE_PROTO (cs_write)
+static void cs_write(void *opaque, target_phys_addr_t addr,
+ uint64_t val64, unsigned size)
{
CSState *s = opaque;
- uint32_t saddr, iaddr;
+ uint32_t saddr, iaddr, val;
- saddr = GET_SADDR (addr);
+ saddr = addr;
+ val = val64;
switch (saddr) {
case Index_Address:
}
};
+static const MemoryRegionOps cs_ioport_ops = {
+ .read = cs_read,
+ .write = cs_write,
+ .impl = {
+ .min_access_size = 1,
+ .max_access_size = 1,
+ }
+};
+
static int cs4231a_initfn (ISADevice *dev)
{
CSState *s = DO_UPCAST (CSState, dev, dev);
- int i;
isa_init_irq (dev, &s->pic, s->irq);
- for (i = 0; i < 4; i++) {
- isa_init_ioport(dev, i);
- register_ioport_write (s->port + i, 1, 1, cs_write, s);
- register_ioport_read (s->port + i, 1, 1, cs_read, s);
- }
+ memory_region_init_io(&s->ioports, &cs_ioport_ops, s, "cs4231a", 4);
+ isa_register_ioport(dev, &s->ioports, s->port);
DMA_register_channel (s->dma, cs_dma_read, s);