mirror of https://github.com/xemu-project/xemu.git
milkymist-pfpu: convert to memory API
Signed-off-by: Michael Walle <michael@walle.cc> Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
parent
8c85d15b3f
commit
d46ccfcef3
|
@ -118,6 +118,7 @@ static const char *opcode_to_str[] = {
|
|||
|
||||
struct MilkymistPFPUState {
|
||||
SysBusDevice busdev;
|
||||
MemoryRegion regs_region;
|
||||
CharDriverState *chr;
|
||||
qemu_irq irq;
|
||||
|
||||
|
@ -379,7 +380,8 @@ static inline int get_microcode_address(MilkymistPFPUState *s, uint32_t addr)
|
|||
return (512 * s->regs[R_CODEPAGE]) + addr - MICROCODE_BEGIN;
|
||||
}
|
||||
|
||||
static uint32_t pfpu_read(void *opaque, target_phys_addr_t addr)
|
||||
static uint64_t pfpu_read(void *opaque, target_phys_addr_t addr,
|
||||
unsigned size)
|
||||
{
|
||||
MilkymistPFPUState *s = opaque;
|
||||
uint32_t r = 0;
|
||||
|
@ -418,8 +420,8 @@ static uint32_t pfpu_read(void *opaque, target_phys_addr_t addr)
|
|||
return r;
|
||||
}
|
||||
|
||||
static void
|
||||
pfpu_write(void *opaque, target_phys_addr_t addr, uint32_t value)
|
||||
static void pfpu_write(void *opaque, target_phys_addr_t addr, uint64_t value,
|
||||
unsigned size)
|
||||
{
|
||||
MilkymistPFPUState *s = opaque;
|
||||
|
||||
|
@ -459,16 +461,14 @@ pfpu_write(void *opaque, target_phys_addr_t addr, uint32_t value)
|
|||
}
|
||||
}
|
||||
|
||||
static CPUReadMemoryFunc * const pfpu_read_fn[] = {
|
||||
NULL,
|
||||
NULL,
|
||||
&pfpu_read,
|
||||
};
|
||||
|
||||
static CPUWriteMemoryFunc * const pfpu_write_fn[] = {
|
||||
NULL,
|
||||
NULL,
|
||||
&pfpu_write,
|
||||
static const MemoryRegionOps pfpu_mmio_ops = {
|
||||
.read = pfpu_read,
|
||||
.write = pfpu_write,
|
||||
.valid = {
|
||||
.min_access_size = 4,
|
||||
.max_access_size = 4,
|
||||
},
|
||||
.endianness = DEVICE_NATIVE_ENDIAN,
|
||||
};
|
||||
|
||||
static void milkymist_pfpu_reset(DeviceState *d)
|
||||
|
@ -494,13 +494,12 @@ static void milkymist_pfpu_reset(DeviceState *d)
|
|||
static int milkymist_pfpu_init(SysBusDevice *dev)
|
||||
{
|
||||
MilkymistPFPUState *s = FROM_SYSBUS(typeof(*s), dev);
|
||||
int pfpu_regs;
|
||||
|
||||
sysbus_init_irq(dev, &s->irq);
|
||||
|
||||
pfpu_regs = cpu_register_io_memory(pfpu_read_fn, pfpu_write_fn, s,
|
||||
DEVICE_NATIVE_ENDIAN);
|
||||
sysbus_init_mmio(dev, MICROCODE_END * 4, pfpu_regs);
|
||||
memory_region_init_io(&s->regs_region, &pfpu_mmio_ops, s,
|
||||
"milkymist-pfpu", MICROCODE_END * 4);
|
||||
sysbus_init_mmio_region(dev, &s->regs_region);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
|
Loading…
Reference in New Issue