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milkymist-pfpu: convert to memory API

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Signed-off-by: Michael Walle <michael@walle.cc>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Michael Walle 2011-08-31 16:48:42 +02:00 committed by Avi Kivity
parent 8c85d15b3f
commit d46ccfcef3
1 changed files with 16 additions and 17 deletions
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33
hw/milkymist-pfpu.c
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@ -118,6 +118,7 @@ static const char *opcode_to_str[] = {
struct MilkymistPFPUState { struct MilkymistPFPUState {
SysBusDevice busdev; SysBusDevice busdev;
MemoryRegion regs_region;
CharDriverState *chr; CharDriverState *chr;
qemu_irq irq; 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; 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; MilkymistPFPUState *s = opaque;
uint32_t r = 0; uint32_t r = 0;
@ -418,8 +420,8 @@ static uint32_t pfpu_read(void *opaque, target_phys_addr_t addr)
return r; return r;
} }
static void static void pfpu_write(void *opaque, target_phys_addr_t addr, uint64_t value,
pfpu_write(void *opaque, target_phys_addr_t addr, uint32_t value) unsigned size)
{ {
MilkymistPFPUState *s = opaque; 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[] = { static const MemoryRegionOps pfpu_mmio_ops = {
NULL, .read = pfpu_read,
NULL, .write = pfpu_write,
&pfpu_read, .valid = {
}; .min_access_size = 4,
.max_access_size = 4,
static CPUWriteMemoryFunc * const pfpu_write_fn[] = { },
NULL, .endianness = DEVICE_NATIVE_ENDIAN,
NULL,
&pfpu_write,
}; };
static void milkymist_pfpu_reset(DeviceState *d) 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) static int milkymist_pfpu_init(SysBusDevice *dev)
{ {
MilkymistPFPUState *s = FROM_SYSBUS(typeof(*s), dev); MilkymistPFPUState *s = FROM_SYSBUS(typeof(*s), dev);
int pfpu_regs;
sysbus_init_irq(dev, &s->irq); sysbus_init_irq(dev, &s->irq);
pfpu_regs = cpu_register_io_memory(pfpu_read_fn, pfpu_write_fn, s, memory_region_init_io(&s->regs_region, &pfpu_mmio_ops, s,
DEVICE_NATIVE_ENDIAN); "milkymist-pfpu", MICROCODE_END * 4);
sysbus_init_mmio(dev, MICROCODE_END * 4, pfpu_regs); sysbus_init_mmio_region(dev, &s->regs_region);
return 0; return 0;
} }