diff options
Diffstat (limited to 'hw/hpet.c')
| -rw-r--r-- | hw/hpet.c | 62 |
1 files changed, 17 insertions, 45 deletions
@@ -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; } |