#define MOUSE_STATUS_ENABLED 0x20
#define MOUSE_STATUS_SCALE21 0x10
-#define KBD_QUEUE_SIZE 256
-
#define KBD_PENDING_KBD 1
#define KBD_PENDING_AUX 2
qemu_irq irq_kbd;
qemu_irq irq_mouse;
- target_phys_addr_t base;
- int it_shift;
+ target_phys_addr_t mask;
} KBDState;
static KBDState kbd_state;
s->status = KBD_STAT_CMD | KBD_STAT_UNLOCKED;
}
-static void kbd_save(QEMUFile* f, void* opaque)
-{
- KBDState *s = (KBDState*)opaque;
-
- qemu_put_8s(f, &s->write_cmd);
- qemu_put_8s(f, &s->status);
- qemu_put_8s(f, &s->mode);
- qemu_put_8s(f, &s->pending);
-}
-
-static int kbd_load(QEMUFile* f, void* opaque, int version_id)
-{
- KBDState *s = (KBDState*)opaque;
-
- if (version_id != 3)
- return -EINVAL;
- qemu_get_8s(f, &s->write_cmd);
- qemu_get_8s(f, &s->status);
- qemu_get_8s(f, &s->mode);
- qemu_get_8s(f, &s->pending);
- return 0;
-}
-
-void i8042_init(qemu_irq kbd_irq, qemu_irq mouse_irq, uint32_t io_base)
-{
- KBDState *s = &kbd_state;
-
- s->irq_kbd = kbd_irq;
- s->irq_mouse = mouse_irq;
-
- kbd_reset(s);
- register_savevm("pckbd", 0, 3, kbd_save, kbd_load, s);
- register_ioport_read(io_base, 1, 1, kbd_read_data, s);
- register_ioport_write(io_base, 1, 1, kbd_write_data, s);
- register_ioport_read(io_base + 4, 1, 1, kbd_read_status, s);
- register_ioport_write(io_base + 4, 1, 1, kbd_write_command, s);
-
- s->kbd = ps2_kbd_init(kbd_update_kbd_irq, s);
- s->mouse = ps2_mouse_init(kbd_update_aux_irq, s);
-#ifdef TARGET_I386
- vmmouse_init(s->mouse);
-#endif
- qemu_register_reset(kbd_reset, s);
-}
+static const VMStateDescription vmstate_kbd = {
+ .name = "pckbd",
+ .version_id = 3,
+ .minimum_version_id = 3,
+ .minimum_version_id_old = 3,
+ .fields = (VMStateField []) {
+ VMSTATE_UINT8(write_cmd, KBDState),
+ VMSTATE_UINT8(status, KBDState),
+ VMSTATE_UINT8(mode, KBDState),
+ VMSTATE_UINT8(pending, KBDState),
+ VMSTATE_END_OF_LIST()
+ }
+};
/* Memory mapped interface */
static uint32_t kbd_mm_readb (void *opaque, target_phys_addr_t addr)
{
KBDState *s = opaque;
- switch ((addr - s->base) >> s->it_shift) {
- case 0:
- return kbd_read_data(s, 0) & 0xff;
- case 1:
+ if (addr & s->mask)
return kbd_read_status(s, 0) & 0xff;
- default:
- return 0xff;
- }
+ else
+ return kbd_read_data(s, 0) & 0xff;
}
static void kbd_mm_writeb (void *opaque, target_phys_addr_t addr, uint32_t value)
{
KBDState *s = opaque;
- switch ((addr - s->base) >> s->it_shift) {
- case 0:
- kbd_write_data(s, 0, value & 0xff);
- break;
- case 1:
+ if (addr & s->mask)
kbd_write_command(s, 0, value & 0xff);
- break;
- }
+ else
+ kbd_write_data(s, 0, value & 0xff);
}
-static CPUReadMemoryFunc *kbd_mm_read[] = {
+static CPUReadMemoryFunc * const kbd_mm_read[] = {
&kbd_mm_readb,
&kbd_mm_readb,
&kbd_mm_readb,
};
-static CPUWriteMemoryFunc *kbd_mm_write[] = {
+static CPUWriteMemoryFunc * const kbd_mm_write[] = {
&kbd_mm_writeb,
&kbd_mm_writeb,
&kbd_mm_writeb,
};
void i8042_mm_init(qemu_irq kbd_irq, qemu_irq mouse_irq,
- target_phys_addr_t base, int it_shift)
+ target_phys_addr_t base, ram_addr_t size,
+ target_phys_addr_t mask)
{
KBDState *s = &kbd_state;
int s_io_memory;
s->irq_kbd = kbd_irq;
s->irq_mouse = mouse_irq;
- s->base = base;
- s->it_shift = it_shift;
+ s->mask = mask;
kbd_reset(s);
- register_savevm("pckbd", 0, 3, kbd_save, kbd_load, s);
- s_io_memory = cpu_register_io_memory(0, kbd_mm_read, kbd_mm_write, s);
- cpu_register_physical_memory(base, 2 << it_shift, s_io_memory);
+ vmstate_register(0, &vmstate_kbd, s);
+ s_io_memory = cpu_register_io_memory(kbd_mm_read, kbd_mm_write, s);
+ cpu_register_physical_memory(base, size, s_io_memory);
s->kbd = ps2_kbd_init(kbd_update_kbd_irq, s);
s->mouse = ps2_mouse_init(kbd_update_aux_irq, s);
#endif
qemu_register_reset(kbd_reset, s);
}
+
+typedef struct ISAKBDState {
+ ISADevice dev;
+ KBDState kbd;
+} ISAKBDState;
+
+static int i8042_initfn(ISADevice *dev)
+{
+ KBDState *s = &(DO_UPCAST(ISAKBDState, dev, dev)->kbd);
+
+ isa_init_irq(dev, &s->irq_kbd, 1);
+ isa_init_irq(dev, &s->irq_mouse, 12);
+
+ kbd_reset(s);
+ vmstate_register(0, &vmstate_kbd, s);
+ register_ioport_read(0x60, 1, 1, kbd_read_data, s);
+ register_ioport_write(0x60, 1, 1, kbd_write_data, s);
+ register_ioport_read(0x64, 1, 1, kbd_read_status, s);
+ register_ioport_write(0x64, 1, 1, kbd_write_command, s);
+
+ s->kbd = ps2_kbd_init(kbd_update_kbd_irq, s);
+ s->mouse = ps2_mouse_init(kbd_update_aux_irq, s);
+#ifdef TARGET_I386
+ vmmouse_init(s->mouse);
+#endif
+ qemu_register_reset(kbd_reset, s);
+ return 0;
+}
+
+static ISADeviceInfo i8042_info = {
+ .qdev.name = "i8042",
+ .qdev.size = sizeof(ISAKBDState),
+ .qdev.no_user = 1,
+ .init = i8042_initfn,
+};
+
+static void i8042_register(void)
+{
+ isa_qdev_register(&i8042_info);
+}
+device_init(i8042_register)
projects / qemu / blobdiff