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milkymist-minimac2: convert to memory API 

Reviewed-by: Richard Henderson  <rth@twiddle.net>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Avi Kivity 2011-08-08 21:32:25 +03:00
parent c378b364ee
commit 8a53d56fdc
1 changed files with 21 additions and 22 deletions
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43
hw/milkymist-minimac2.c
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@ -97,6 +97,8 @@ struct MilkymistMinimac2State {
NICConf conf;
char *phy_model;
target_phys_addr_t buffers_base;
MemoryRegion buffers;
MemoryRegion regs_region;
qemu_irq rx_irq;
qemu_irq tx_irq;
@ -320,8 +322,8 @@ static ssize_t minimac2_rx(VLANClientState *nc, const uint8_t *buf, size_t size)
return size;
}
static uint32_t
minimac2_read(void *opaque, target_phys_addr_t addr)
static uint64_t
minimac2_read(void *opaque, target_phys_addr_t addr, unsigned size)
{
MilkymistMinimac2State *s = opaque;
uint32_t r = 0;
@ -350,7 +352,8 @@ minimac2_read(void *opaque, target_phys_addr_t addr)
}
static void
minimac2_write(void *opaque, target_phys_addr_t addr, uint32_t value)
minimac2_write(void *opaque, target_phys_addr_t addr, uint64_t value,
unsigned size)
{
MilkymistMinimac2State *s = opaque;
@ -395,16 +398,14 @@ minimac2_write(void *opaque, target_phys_addr_t addr, uint32_t value)
}
}
static CPUReadMemoryFunc * const minimac2_read_fn[] = {
NULL,
NULL,
&minimac2_read,
};
static CPUWriteMemoryFunc * const minimac2_write_fn[] = {
NULL,
NULL,
&minimac2_write,
static const MemoryRegionOps minimac2_ops = {
.read = minimac2_read,
.write = minimac2_write,
.valid = {
.min_access_size = 4,
.max_access_size = 4,
},
.endianness = DEVICE_NATIVE_ENDIAN,
};
static int minimac2_can_rx(VLANClientState *nc)
@ -457,25 +458,23 @@ static NetClientInfo net_milkymist_minimac2_info = {
static int milkymist_minimac2_init(SysBusDevice *dev)
{
MilkymistMinimac2State *s = FROM_SYSBUS(typeof(*s), dev);
int regs;
ram_addr_t buffers;
size_t buffers_size = TARGET_PAGE_ALIGN(3 * MINIMAC2_BUFFER_SIZE);
sysbus_init_irq(dev, &s->rx_irq);
sysbus_init_irq(dev, &s->tx_irq);
regs = cpu_register_io_memory(minimac2_read_fn, minimac2_write_fn, s,
DEVICE_NATIVE_ENDIAN);
sysbus_init_mmio(dev, R_MAX * 4, regs);
memory_region_init_io(&s->regs_region, &minimac2_ops, s,
"minimac2-mmio", R_MAX * 4);
sysbus_init_mmio_region(dev, &s->regs_region);
/* register buffers memory */
buffers = qemu_ram_alloc(NULL, "milkymist_minimac2.buffers", buffers_size);
s->rx0_buf = qemu_get_ram_ptr(buffers);
memory_region_init_ram(&s->buffers, NULL, "milkymist_minimac2.buffers",
buffers_size);
s->rx0_buf = memory_region_get_ram_ptr(&s->buffers);
s->rx1_buf = s->rx0_buf + MINIMAC2_BUFFER_SIZE;
s->tx_buf = s->rx1_buf + MINIMAC2_BUFFER_SIZE;
cpu_register_physical_memory(s->buffers_base, buffers_size,
buffers | IO_MEM_RAM);
sysbus_add_memory(dev, s->buffers_base, &s->buffers);
qemu_macaddr_default_if_unset(&s->conf.macaddr);
s->nic = qemu_new_nic(&net_milkymist_minimac2_info, &s->conf,