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cs4231a: Convert to MemoryRegion 

Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Richard Henderson 2011-08-10 15:28:14 -07:00 committed by Avi Kivity
parent 4bae1efe63
commit beae397945
1 changed files with 19 additions and 19 deletions
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38
hw/cs4231a.c
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@ -59,6 +59,7 @@ static struct {
typedef struct CSState {
ISADevice dev;
QEMUSoundCard card;
MemoryRegion ioports;
qemu_irq pic;
uint32_t regs[CS_REGS];
uint8_t dregs[CS_DREGS];
@ -74,14 +75,6 @@ typedef struct CSState {
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)
@ -353,12 +346,12 @@ static void cs_reset_voices (CSState *s, uint32_t val)
}
}
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) {
@ -390,12 +383,14 @@ IO_READ_PROTO (cs_read)
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:
@ -637,18 +632,23 @@ static const VMStateDescription vmstate_cs4231a = {
}
};
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);