Revision 5105ed3b hw/milkymist-softusb.c
| b/hw/milkymist-softusb.c | ||
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| 49 | 49 |
HIDState hid_kbd; |
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HIDState hid_mouse; |
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MemoryRegion regs_region; |
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MemoryRegion pmem; |
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MemoryRegion dmem; |
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qemu_irq irq; |
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/* device properties */ |
| ... | ... | |
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}; |
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typedef struct MilkymistSoftUsbState MilkymistSoftUsbState; |
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static uint32_t softusb_read(void *opaque, target_phys_addr_t addr) |
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static uint64_t softusb_read(void *opaque, target_phys_addr_t addr, |
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unsigned size) |
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{
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MilkymistSoftUsbState *s = opaque; |
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uint32_t r = 0; |
| ... | ... | |
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} |
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static void |
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softusb_write(void *opaque, target_phys_addr_t addr, uint32_t value) |
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softusb_write(void *opaque, target_phys_addr_t addr, uint64_t value, |
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unsigned size) |
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{
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MilkymistSoftUsbState *s = opaque; |
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|
| ... | ... | |
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} |
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} |
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static CPUReadMemoryFunc * const softusb_read_fn[] = {
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NULL, |
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NULL, |
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&softusb_read, |
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}; |
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static CPUWriteMemoryFunc * const softusb_write_fn[] = {
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NULL, |
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NULL, |
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&softusb_write, |
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static const MemoryRegionOps softusb_mmio_ops = {
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.read = softusb_read, |
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.write = softusb_write, |
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.endianness = DEVICE_NATIVE_ENDIAN, |
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.valid = {
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.min_access_size = 4, |
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.max_access_size = 4, |
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}, |
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}; |
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static inline void softusb_read_dmem(MilkymistSoftUsbState *s, |
| ... | ... | |
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static int milkymist_softusb_init(SysBusDevice *dev) |
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{
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MilkymistSoftUsbState *s = FROM_SYSBUS(typeof(*s), dev); |
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int softusb_regs; |
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ram_addr_t pmem_ram; |
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ram_addr_t dmem_ram; |
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sysbus_init_irq(dev, &s->irq); |
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softusb_regs = cpu_register_io_memory(softusb_read_fn, softusb_write_fn, s,
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DEVICE_NATIVE_ENDIAN);
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sysbus_init_mmio(dev, R_MAX * 4, softusb_regs);
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memory_region_init_io(&s->regs_region, &softusb_mmio_ops, s,
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"milkymist-softusb", R_MAX * 4);
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sysbus_init_mmio_region(dev, &s->regs_region);
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/* register pmem and dmem */ |
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pmem_ram = qemu_ram_alloc(NULL, "milkymist_softusb.pmem", s->pmem_size);
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cpu_register_physical_memory(s->pmem_base, s->pmem_size,
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pmem_ram | IO_MEM_RAM);
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dmem_ram = qemu_ram_alloc(NULL, "milkymist_softusb.dmem", s->dmem_size);
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cpu_register_physical_memory(s->dmem_base, s->dmem_size,
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dmem_ram | IO_MEM_RAM);
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memory_region_init_ram(&s->pmem, NULL, "milkymist_softusb.pmem",
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s->pmem_size);
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sysbus_add_memory(dev, s->pmem_base, &s->pmem);
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memory_region_init_ram(&s->dmem, NULL, "milkymist_softusb.dmem",
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s->dmem_size);
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sysbus_add_memory(dev, s->dmem_base, &s->dmem);
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hid_init(&s->hid_kbd, HID_KEYBOARD, softusb_kbd_hid_datain); |
| 278 | 278 |
hid_init(&s->hid_mouse, HID_MOUSE, softusb_mouse_hid_datain); |
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