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hpet: convert to memory API 

Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Avi Kivity 2011-11-09 16:10:07 +02:00
parent 3054434d61
commit e977aa3704
1 changed files with 17 additions and 45 deletions
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62
hw/hpet.c
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@ -59,6 +59,7 @@ typedef struct HPETTimer { /* timers */
typedef struct HPETState {
SysBusDevice busdev;
MemoryRegion iomem;
uint64_t hpet_offset;
qemu_irq irqs[HPET_NUM_IRQ_ROUTES];
uint32_t flags;
@ -354,7 +355,8 @@ static uint32_t hpet_ram_readw(void *opaque, target_phys_addr_t addr)
}
#endif
static uint32_t hpet_ram_readl(void *opaque, target_phys_addr_t addr)
static uint64_t hpet_ram_read(void *opaque, target_phys_addr_t addr,
unsigned size)
{
HPETState *s = opaque;
uint64_t cur_tick, index;
@ -425,24 +427,8 @@ static uint32_t hpet_ram_readl(void *opaque, target_phys_addr_t addr)
return 0;
}
#ifdef HPET_DEBUG
static void hpet_ram_writeb(void *opaque, target_phys_addr_t addr,
uint32_t value)
{
printf("qemu: invalid hpet_write b at %" PRIx64 " = %#x\n",
addr, value);
}
static void hpet_ram_writew(void *opaque, target_phys_addr_t addr,
uint32_t value)
{
printf("qemu: invalid hpet_write w at %" PRIx64 " = %#x\n",
addr, value);
}
#endif
static void hpet_ram_writel(void *opaque, target_phys_addr_t addr,
uint32_t value)
static void hpet_ram_write(void *opaque, target_phys_addr_t addr,
uint64_t value, unsigned size)
{
int i;
HPETState *s = opaque;
@ -450,7 +436,7 @@ static void hpet_ram_writel(void *opaque, target_phys_addr_t addr,
DPRINTF("qemu: Enter hpet_ram_writel at %" PRIx64 " = %#x\n", addr, value);
index = addr;
old_val = hpet_ram_readl(opaque, addr);
old_val = hpet_ram_read(opaque, addr, 4);
new_val = value;
/*address range of all TN regs*/
@ -605,26 +591,14 @@ static void hpet_ram_writel(void *opaque, target_phys_addr_t addr,
}
}
static CPUReadMemoryFunc * const hpet_ram_read[] = {
#ifdef HPET_DEBUG
hpet_ram_readb,
hpet_ram_readw,
#else
NULL,
NULL,
#endif
hpet_ram_readl,
};
static CPUWriteMemoryFunc * const hpet_ram_write[] = {
#ifdef HPET_DEBUG
hpet_ram_writeb,
hpet_ram_writew,
#else
NULL,
NULL,
#endif
hpet_ram_writel,
static const MemoryRegionOps hpet_ram_ops = {
.read = hpet_ram_read,
.write = hpet_ram_write,
.valid = {
.min_access_size = 4,
.max_access_size = 4,
},
.endianness = DEVICE_NATIVE_ENDIAN,
};
static void hpet_reset(DeviceState *d)
@ -677,7 +651,7 @@ static void hpet_handle_rtc_irq(void *opaque, int n, int level)
static int hpet_init(SysBusDevice *dev)
{
HPETState *s = FROM_SYSBUS(HPETState, dev);
int i, iomemtype;
int i;
HPETTimer *timer;
if (hpet_cfg.count == UINT8_MAX) {
@ -716,10 +690,8 @@ static int hpet_init(SysBusDevice *dev)
qdev_init_gpio_in(&dev->qdev, hpet_handle_rtc_irq, 1);
/* HPET Area */
iomemtype = cpu_register_io_memory(hpet_ram_read,
hpet_ram_write, s,
DEVICE_NATIVE_ENDIAN);
sysbus_init_mmio(dev, 0x400, iomemtype);
memory_region_init_io(&s->iomem, &hpet_ram_ops, s, "hpet", 0x400);
sysbus_init_mmio_region(dev, &s->iomem);
return 0;
}