/*
* QEMU PC keyboard emulation
- *
+ *
* Copyright (c) 2003 Fabrice Bellard
- *
+ *
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
-#include "vl.h"
+#include "hw.h"
+#include "isa.h"
+#include "pc.h"
+#include "ps2.h"
+#include "sysemu.h"
/* debug PC keyboard */
//#define DEBUG_KBD
-
-/* debug PC keyboard : only mouse */
-//#define DEBUG_MOUSE
+#ifdef DEBUG_KBD
+#define DPRINTF(fmt, ...) \
+ do { printf("KBD: " fmt , ## __VA_ARGS__); } while (0)
+#else
+#define DPRINTF(fmt, ...)
+#endif
/* Keyboard Controller Commands */
#define KBD_CCMD_READ_MODE 0x20 /* Read mode bits */
#define KBD_CCMD_WRITE_MOUSE 0xD4 /* Write the following byte to the mouse */
#define KBD_CCMD_DISABLE_A20 0xDD /* HP vectra only ? */
#define KBD_CCMD_ENABLE_A20 0xDF /* HP vectra only ? */
-#define KBD_CCMD_RESET 0xFE
+#define KBD_CCMD_PULSE_BITS_3_0 0xF0 /* Pulse bits 3-0 of the output port P2. */
+#define KBD_CCMD_RESET 0xFE /* Pulse bit 0 of the output port P2 = CPU reset. */
+#define KBD_CCMD_NO_OP 0xFF /* Pulse no bits of the output port P2. */
/* Keyboard Commands */
#define KBD_CMD_SET_LEDS 0xED /* Set keyboard leds */
#define KBD_MODE_KCC 0x40 /* Scan code conversion to PC format */
#define KBD_MODE_RFU 0x80
+/* Output Port Bits */
+#define KBD_OUT_RESET 0x01 /* 1=normal mode, 0=reset */
+#define KBD_OUT_A20 0x02 /* x86 only */
+#define KBD_OUT_OBF 0x10 /* Keyboard output buffer full */
+#define KBD_OUT_MOUSE_OBF 0x20 /* Mouse output buffer full */
+
/* Mouse Commands */
#define AUX_SET_SCALE11 0xE6 /* Set 1:1 scaling */
#define AUX_SET_SCALE21 0xE7 /* Set 2:1 scaling */
#define MOUSE_STATUS_ENABLED 0x20
#define MOUSE_STATUS_SCALE21 0x10
-#define KBD_QUEUE_SIZE 256
-
-typedef struct {
- uint8_t aux[KBD_QUEUE_SIZE];
- uint8_t data[KBD_QUEUE_SIZE];
- int rptr, wptr, count;
-} KBDQueue;
+#define KBD_PENDING_KBD 1
+#define KBD_PENDING_AUX 2
typedef struct KBDState {
- KBDQueue queue;
uint8_t write_cmd; /* if non zero, write data to port 60 is expected */
uint8_t status;
uint8_t mode;
- /* keyboard state */
- int kbd_write_cmd;
- int scan_enabled;
- /* mouse state */
- int mouse_write_cmd;
- uint8_t mouse_status;
- uint8_t mouse_resolution;
- uint8_t mouse_sample_rate;
- uint8_t mouse_wrap;
- uint8_t mouse_type; /* 0 = PS2, 3 = IMPS/2, 4 = IMEX */
- uint8_t mouse_detect_state;
- int mouse_dx; /* current values, needed for 'poll' mode */
- int mouse_dy;
- int mouse_dz;
- uint8_t mouse_buttons;
+ uint8_t outport;
+ /* Bitmask of devices with data available. */
+ uint8_t pending;
+ void *kbd;
+ void *mouse;
+
+ qemu_irq irq_kbd;
+ qemu_irq irq_mouse;
+ qemu_irq *a20_out;
+ target_phys_addr_t mask;
} KBDState;
-KBDState kbd_state;
-
/* update irq and KBD_STAT_[MOUSE_]OBF */
/* XXX: not generating the irqs if KBD_MODE_DISABLE_KBD is set may be
incorrect, but it avoids having to simulate exact delays */
static void kbd_update_irq(KBDState *s)
{
- KBDQueue *q = &s->queue;
- int irq12_level, irq1_level;
+ int irq_kbd_level, irq_mouse_level;
- irq1_level = 0;
- irq12_level = 0;
+ irq_kbd_level = 0;
+ irq_mouse_level = 0;
s->status &= ~(KBD_STAT_OBF | KBD_STAT_MOUSE_OBF);
- if (q->count != 0) {
+ s->outport &= ~(KBD_OUT_OBF | KBD_OUT_MOUSE_OBF);
+ if (s->pending) {
s->status |= KBD_STAT_OBF;
- if (q->aux[q->rptr]) {
+ s->outport |= KBD_OUT_OBF;
+ /* kbd data takes priority over aux data. */
+ if (s->pending == KBD_PENDING_AUX) {
s->status |= KBD_STAT_MOUSE_OBF;
+ s->outport |= KBD_OUT_MOUSE_OBF;
if (s->mode & KBD_MODE_MOUSE_INT)
- irq12_level = 1;
+ irq_mouse_level = 1;
} else {
- if ((s->mode & KBD_MODE_KBD_INT) &&
+ if ((s->mode & KBD_MODE_KBD_INT) &&
!(s->mode & KBD_MODE_DISABLE_KBD))
- irq1_level = 1;
+ irq_kbd_level = 1;
}
}
- pic_set_irq(1, irq1_level);
- pic_set_irq(12, irq12_level);
+ qemu_set_irq(s->irq_kbd, irq_kbd_level);
+ qemu_set_irq(s->irq_mouse, irq_mouse_level);
}
-static void kbd_queue(KBDState *s, int b, int aux)
+static void kbd_update_kbd_irq(void *opaque, int level)
{
- KBDQueue *q = &s->queue;
+ KBDState *s = (KBDState *)opaque;
-#if defined(DEBUG_MOUSE) || defined(DEBUG_KBD)
- if (aux)
- printf("mouse event: 0x%02x\n", b);
-#ifdef DEBUG_KBD
+ if (level)
+ s->pending |= KBD_PENDING_KBD;
else
- printf("kbd event: 0x%02x\n", b);
-#endif
-#endif
- if (q->count >= KBD_QUEUE_SIZE)
- return;
- q->aux[q->wptr] = aux;
- q->data[q->wptr] = b;
- if (++q->wptr == KBD_QUEUE_SIZE)
- q->wptr = 0;
- q->count++;
+ s->pending &= ~KBD_PENDING_KBD;
kbd_update_irq(s);
}
-static void pc_kbd_put_keycode(void *opaque, int keycode)
+static void kbd_update_aux_irq(void *opaque, int level)
{
- KBDState *s = opaque;
- kbd_queue(s, keycode, 0);
+ KBDState *s = (KBDState *)opaque;
+
+ if (level)
+ s->pending |= KBD_PENDING_AUX;
+ else
+ s->pending &= ~KBD_PENDING_AUX;
+ kbd_update_irq(s);
}
static uint32_t kbd_read_status(void *opaque, uint32_t addr)
KBDState *s = opaque;
int val;
val = s->status;
-#if defined(DEBUG_KBD)
- printf("kbd: read status=0x%02x\n", val);
-#endif
+ DPRINTF("kbd: read status=0x%02x\n", val);
return val;
}
+static void kbd_queue(KBDState *s, int b, int aux)
+{
+ if (aux)
+ ps2_queue(s->mouse, b);
+ else
+ ps2_queue(s->kbd, b);
+}
+
+static void outport_write(KBDState *s, uint32_t val)
+{
+ DPRINTF("kbd: write outport=0x%02x\n", val);
+ s->outport = val;
+ if (s->a20_out) {
+ qemu_set_irq(*s->a20_out, (val >> 1) & 1);
+ }
+ if (!(val & 1)) {
+ qemu_system_reset_request();
+ }
+}
+
static void kbd_write_command(void *opaque, uint32_t addr, uint32_t val)
{
KBDState *s = opaque;
-#ifdef DEBUG_KBD
- printf("kbd: write cmd=0x%02x\n", val);
-#endif
+ DPRINTF("kbd: write cmd=0x%02x\n", val);
+
+ /* Bits 3-0 of the output port P2 of the keyboard controller may be pulsed
+ * low for approximately 6 micro seconds. Bits 3-0 of the KBD_CCMD_PULSE
+ * command specify the output port bits to be pulsed.
+ * 0: Bit should be pulsed. 1: Bit should not be modified.
+ * The only useful version of this command is pulsing bit 0,
+ * which does a CPU reset.
+ */
+ if((val & KBD_CCMD_PULSE_BITS_3_0) == KBD_CCMD_PULSE_BITS_3_0) {
+ if(!(val & 1))
+ val = KBD_CCMD_RESET;
+ else
+ val = KBD_CCMD_NO_OP;
+ }
+
switch(val) {
case KBD_CCMD_READ_MODE:
kbd_queue(s, s->mode, 0);
kbd_queue(s, 0x00, 0);
break;
case KBD_CCMD_READ_OUTPORT:
- /* XXX: check that */
-#ifdef TARGET_I386
- val = 0x01 | (((cpu_single_env->a20_mask >> 20) & 1) << 1);
-#else
- val = 0x01;
-#endif
- if (s->status & KBD_STAT_OBF)
- val |= 0x10;
- if (s->status & KBD_STAT_MOUSE_OBF)
- val |= 0x20;
- kbd_queue(s, val, 0);
+ kbd_queue(s, s->outport, 0);
break;
-#ifdef TARGET_I386
case KBD_CCMD_ENABLE_A20:
- cpu_x86_set_a20(cpu_single_env, 1);
+ if (s->a20_out) {
+ qemu_irq_raise(*s->a20_out);
+ }
+ s->outport |= KBD_OUT_A20;
break;
case KBD_CCMD_DISABLE_A20:
- cpu_x86_set_a20(cpu_single_env, 0);
+ if (s->a20_out) {
+ qemu_irq_lower(*s->a20_out);
+ }
+ s->outport &= ~KBD_OUT_A20;
break;
-#endif
case KBD_CCMD_RESET:
qemu_system_reset_request();
break;
- case 0xff:
- /* ignore that - I don't know what is its use */
+ case KBD_CCMD_NO_OP:
+ /* ignore that */
break;
default:
fprintf(stderr, "qemu: unsupported keyboard cmd=0x%02x\n", val);
static uint32_t kbd_read_data(void *opaque, uint32_t addr)
{
KBDState *s = opaque;
- KBDQueue *q;
- int val, index, aux;
-
- q = &s->queue;
- if (q->count == 0) {
- /* NOTE: if no data left, we return the last keyboard one
- (needed for EMM386) */
- /* XXX: need a timer to do things correctly */
- index = q->rptr - 1;
- if (index < 0)
- index = KBD_QUEUE_SIZE - 1;
- val = q->data[index];
- } else {
- aux = q->aux[q->rptr];
- val = q->data[q->rptr];
- if (++q->rptr == KBD_QUEUE_SIZE)
- q->rptr = 0;
- q->count--;
- /* reading deasserts IRQ */
- if (aux)
- pic_set_irq(12, 0);
- else
- pic_set_irq(1, 0);
- }
- /* reassert IRQs if data left */
- kbd_update_irq(s);
-#ifdef DEBUG_KBD
- printf("kbd: read data=0x%02x\n", val);
-#endif
- return val;
-}
-
-static void kbd_reset_keyboard(KBDState *s)
-{
- s->scan_enabled = 1;
-}
-
-static void kbd_write_keyboard(KBDState *s, int val)
-{
- switch(s->kbd_write_cmd) {
- default:
- case -1:
- switch(val) {
- case 0x00:
- kbd_queue(s, KBD_REPLY_ACK, 0);
- break;
- case 0x05:
- kbd_queue(s, KBD_REPLY_RESEND, 0);
- break;
- case KBD_CMD_GET_ID:
- kbd_queue(s, KBD_REPLY_ACK, 0);
- kbd_queue(s, 0xab, 0);
- kbd_queue(s, 0x83, 0);
- break;
- case KBD_CMD_ECHO:
- kbd_queue(s, KBD_CMD_ECHO, 0);
- break;
- case KBD_CMD_ENABLE:
- s->scan_enabled = 1;
- kbd_queue(s, KBD_REPLY_ACK, 0);
- break;
- case KBD_CMD_SET_LEDS:
- case KBD_CMD_SET_RATE:
- s->kbd_write_cmd = val;
- kbd_queue(s, KBD_REPLY_ACK, 0);
- break;
- case KBD_CMD_RESET_DISABLE:
- kbd_reset_keyboard(s);
- s->scan_enabled = 0;
- kbd_queue(s, KBD_REPLY_ACK, 0);
- break;
- case KBD_CMD_RESET_ENABLE:
- kbd_reset_keyboard(s);
- s->scan_enabled = 1;
- kbd_queue(s, KBD_REPLY_ACK, 0);
- break;
- case KBD_CMD_RESET:
- kbd_reset_keyboard(s);
- kbd_queue(s, KBD_REPLY_ACK, 0);
- kbd_queue(s, KBD_REPLY_POR, 0);
- break;
- default:
- kbd_queue(s, KBD_REPLY_ACK, 0);
- break;
- }
- break;
- case KBD_CMD_SET_LEDS:
- kbd_queue(s, KBD_REPLY_ACK, 0);
- s->kbd_write_cmd = -1;
- break;
- case KBD_CMD_SET_RATE:
- kbd_queue(s, KBD_REPLY_ACK, 0);
- s->kbd_write_cmd = -1;
- break;
- }
-}
-
-static void kbd_mouse_send_packet(KBDState *s)
-{
- unsigned int b;
- int dx1, dy1, dz1;
-
- dx1 = s->mouse_dx;
- dy1 = s->mouse_dy;
- dz1 = s->mouse_dz;
- /* XXX: increase range to 8 bits ? */
- if (dx1 > 127)
- dx1 = 127;
- else if (dx1 < -127)
- dx1 = -127;
- if (dy1 > 127)
- dy1 = 127;
- else if (dy1 < -127)
- dy1 = -127;
- b = 0x08 | ((dx1 < 0) << 4) | ((dy1 < 0) << 5) | (s->mouse_buttons & 0x07);
- kbd_queue(s, b, 1);
- kbd_queue(s, dx1 & 0xff, 1);
- kbd_queue(s, dy1 & 0xff, 1);
- /* extra byte for IMPS/2 or IMEX */
- switch(s->mouse_type) {
- default:
- break;
- case 3:
- if (dz1 > 127)
- dz1 = 127;
- else if (dz1 < -127)
- dz1 = -127;
- kbd_queue(s, dz1 & 0xff, 1);
- break;
- case 4:
- if (dz1 > 7)
- dz1 = 7;
- else if (dz1 < -7)
- dz1 = -7;
- b = (dz1 & 0x0f) | ((s->mouse_buttons & 0x18) << 1);
- kbd_queue(s, b, 1);
- break;
- }
-
- /* update deltas */
- s->mouse_dx -= dx1;
- s->mouse_dy -= dy1;
- s->mouse_dz -= dz1;
-}
-
-static void pc_kbd_mouse_event(void *opaque,
- int dx, int dy, int dz, int buttons_state)
-{
- KBDState *s = opaque;
+ uint32_t val;
- /* check if deltas are recorded when disabled */
- if (!(s->mouse_status & MOUSE_STATUS_ENABLED))
- return;
-
- s->mouse_dx += dx;
- s->mouse_dy -= dy;
- s->mouse_dz += dz;
- /* XXX: SDL sometimes generates nul events: we delete them */
- if (s->mouse_dx == 0 && s->mouse_dy == 0 && s->mouse_dz == 0 &&
- s->mouse_buttons == buttons_state)
- return;
- s->mouse_buttons = buttons_state;
-
- if (!(s->mouse_status & MOUSE_STATUS_REMOTE) &&
- (s->queue.count < (KBD_QUEUE_SIZE - 16))) {
- for(;;) {
- /* if not remote, send event. Multiple events are sent if
- too big deltas */
- kbd_mouse_send_packet(s);
- if (s->mouse_dx == 0 && s->mouse_dy == 0 && s->mouse_dz == 0)
- break;
- }
- }
-}
+ if (s->pending == KBD_PENDING_AUX)
+ val = ps2_read_data(s->mouse);
+ else
+ val = ps2_read_data(s->kbd);
-static void kbd_write_mouse(KBDState *s, int val)
-{
-#ifdef DEBUG_MOUSE
- printf("kbd: write mouse 0x%02x\n", val);
-#endif
- switch(s->mouse_write_cmd) {
- default:
- case -1:
- /* mouse command */
- if (s->mouse_wrap) {
- if (val == AUX_RESET_WRAP) {
- s->mouse_wrap = 0;
- kbd_queue(s, AUX_ACK, 1);
- return;
- } else if (val != AUX_RESET) {
- kbd_queue(s, val, 1);
- return;
- }
- }
- switch(val) {
- case AUX_SET_SCALE11:
- s->mouse_status &= ~MOUSE_STATUS_SCALE21;
- kbd_queue(s, AUX_ACK, 1);
- break;
- case AUX_SET_SCALE21:
- s->mouse_status |= MOUSE_STATUS_SCALE21;
- kbd_queue(s, AUX_ACK, 1);
- break;
- case AUX_SET_STREAM:
- s->mouse_status &= ~MOUSE_STATUS_REMOTE;
- kbd_queue(s, AUX_ACK, 1);
- break;
- case AUX_SET_WRAP:
- s->mouse_wrap = 1;
- kbd_queue(s, AUX_ACK, 1);
- break;
- case AUX_SET_REMOTE:
- s->mouse_status |= MOUSE_STATUS_REMOTE;
- kbd_queue(s, AUX_ACK, 1);
- break;
- case AUX_GET_TYPE:
- kbd_queue(s, AUX_ACK, 1);
- kbd_queue(s, s->mouse_type, 1);
- break;
- case AUX_SET_RES:
- case AUX_SET_SAMPLE:
- s->mouse_write_cmd = val;
- kbd_queue(s, AUX_ACK, 1);
- break;
- case AUX_GET_SCALE:
- kbd_queue(s, AUX_ACK, 1);
- kbd_queue(s, s->mouse_status, 1);
- kbd_queue(s, s->mouse_resolution, 1);
- kbd_queue(s, s->mouse_sample_rate, 1);
- break;
- case AUX_POLL:
- kbd_queue(s, AUX_ACK, 1);
- kbd_mouse_send_packet(s);
- break;
- case AUX_ENABLE_DEV:
- s->mouse_status |= MOUSE_STATUS_ENABLED;
- kbd_queue(s, AUX_ACK, 1);
- break;
- case AUX_DISABLE_DEV:
- s->mouse_status &= ~MOUSE_STATUS_ENABLED;
- kbd_queue(s, AUX_ACK, 1);
- break;
- case AUX_SET_DEFAULT:
- s->mouse_sample_rate = 100;
- s->mouse_resolution = 2;
- s->mouse_status = 0;
- kbd_queue(s, AUX_ACK, 1);
- break;
- case AUX_RESET:
- s->mouse_sample_rate = 100;
- s->mouse_resolution = 2;
- s->mouse_status = 0;
- kbd_queue(s, AUX_ACK, 1);
- kbd_queue(s, 0xaa, 1);
- kbd_queue(s, s->mouse_type, 1);
- break;
- default:
- break;
- }
- break;
- case AUX_SET_SAMPLE:
- s->mouse_sample_rate = val;
-#if 0
- /* detect IMPS/2 or IMEX */
- switch(s->mouse_detect_state) {
- default:
- case 0:
- if (val == 200)
- s->mouse_detect_state = 1;
- break;
- case 1:
- if (val == 100)
- s->mouse_detect_state = 2;
- else if (val == 200)
- s->mouse_detect_state = 3;
- else
- s->mouse_detect_state = 0;
- break;
- case 2:
- if (val == 80)
- s->mouse_type = 3; /* IMPS/2 */
- s->mouse_detect_state = 0;
- break;
- case 3:
- if (val == 80)
- s->mouse_type = 4; /* IMEX */
- s->mouse_detect_state = 0;
- break;
- }
-#endif
- kbd_queue(s, AUX_ACK, 1);
- s->mouse_write_cmd = -1;
- break;
- case AUX_SET_RES:
- s->mouse_resolution = val;
- kbd_queue(s, AUX_ACK, 1);
- s->mouse_write_cmd = -1;
- break;
- }
+ DPRINTF("kbd: read data=0x%02x\n", val);
+ return val;
}
-void kbd_write_data(void *opaque, uint32_t addr, uint32_t val)
+static void kbd_write_data(void *opaque, uint32_t addr, uint32_t val)
{
KBDState *s = opaque;
-#ifdef DEBUG_KBD
- printf("kbd: write data=0x%02x\n", val);
-#endif
+ DPRINTF("kbd: write data=0x%02x\n", val);
switch(s->write_cmd) {
case 0:
- kbd_write_keyboard(s, val);
+ ps2_write_keyboard(s->kbd, val);
break;
case KBD_CCMD_WRITE_MODE:
s->mode = val;
+ ps2_keyboard_set_translation(s->kbd, (s->mode & KBD_MODE_KCC) != 0);
+ /* ??? */
kbd_update_irq(s);
break;
case KBD_CCMD_WRITE_OBUF:
kbd_queue(s, val, 1);
break;
case KBD_CCMD_WRITE_OUTPORT:
-#ifdef TARGET_I386
- cpu_x86_set_a20(cpu_single_env, (val >> 1) & 1);
-#endif
- if (!(val & 1)) {
- qemu_system_reset_request();
- }
+ outport_write(s, val);
break;
case KBD_CCMD_WRITE_MOUSE:
- kbd_write_mouse(s, val);
+ ps2_write_mouse(s->mouse, val);
break;
default:
break;
static void kbd_reset(void *opaque)
{
KBDState *s = opaque;
- KBDQueue *q;
- s->kbd_write_cmd = -1;
- s->mouse_write_cmd = -1;
s->mode = KBD_MODE_KBD_INT | KBD_MODE_MOUSE_INT;
s->status = KBD_STAT_CMD | KBD_STAT_UNLOCKED;
- q = &s->queue;
- q->rptr = 0;
- q->wptr = 0;
- q->count = 0;
+ s->outport = KBD_OUT_RESET | KBD_OUT_A20;
+}
+
+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;
+
+ if (addr & s->mask)
+ return kbd_read_status(s, 0) & 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;
+
+ if (addr & s->mask)
+ kbd_write_command(s, 0, value & 0xff);
+ else
+ kbd_write_data(s, 0, value & 0xff);
}
-void kbd_init(void)
+static const MemoryRegionOps i8042_mmio_ops = {
+ .endianness = DEVICE_NATIVE_ENDIAN,
+ .old_mmio = {
+ .read = { kbd_mm_readb, kbd_mm_readb, kbd_mm_readb },
+ .write = { kbd_mm_writeb, kbd_mm_writeb, kbd_mm_writeb },
+ },
+};
+
+void i8042_mm_init(qemu_irq kbd_irq, qemu_irq mouse_irq,
+ MemoryRegion *region, ram_addr_t size,
+ target_phys_addr_t mask)
{
- KBDState *s = &kbd_state;
-
- kbd_reset(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);
-
- qemu_add_kbd_event_handler(pc_kbd_put_keycode, s);
- qemu_add_mouse_event_handler(pc_kbd_mouse_event, s);
+ KBDState *s = g_malloc0(sizeof(KBDState));
+
+ s->irq_kbd = kbd_irq;
+ s->irq_mouse = mouse_irq;
+ s->mask = mask;
+
+ vmstate_register(NULL, 0, &vmstate_kbd, s);
+
+ memory_region_init_io(region, &i8042_mmio_ops, s, "i8042", size);
+
+ s->kbd = ps2_kbd_init(kbd_update_kbd_irq, s);
+ s->mouse = ps2_mouse_init(kbd_update_aux_irq, s);
qemu_register_reset(kbd_reset, s);
}
+
+typedef struct ISAKBDState {
+ ISADevice dev;
+ KBDState kbd;
+ MemoryRegion io[2];
+} ISAKBDState;
+
+void i8042_isa_mouse_fake_event(void *opaque)
+{
+ ISADevice *dev = opaque;
+ KBDState *s = &(DO_UPCAST(ISAKBDState, dev, dev)->kbd);
+
+ ps2_mouse_fake_event(s->mouse);
+}
+
+void i8042_setup_a20_line(ISADevice *dev, qemu_irq *a20_out)
+{
+ KBDState *s = &(DO_UPCAST(ISAKBDState, dev, dev)->kbd);
+
+ s->a20_out = a20_out;
+}
+
+static const VMStateDescription vmstate_kbd_isa = {
+ .name = "pckbd",
+ .version_id = 3,
+ .minimum_version_id = 3,
+ .minimum_version_id_old = 3,
+ .fields = (VMStateField []) {
+ VMSTATE_STRUCT(kbd, ISAKBDState, 0, vmstate_kbd, KBDState),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+static const MemoryRegionPortio i8042_data_portio[] = {
+ { 0, 1, 1, .read = kbd_read_data, .write = kbd_write_data },
+ PORTIO_END_OF_LIST()
+};
+
+static const MemoryRegionPortio i8042_cmd_portio[] = {
+ { 0, 1, 1, .read = kbd_read_status, .write = kbd_write_command },
+ PORTIO_END_OF_LIST()
+};
+
+static const MemoryRegionOps i8042_data_ops = {
+ .old_portio = i8042_data_portio
+};
+
+static const MemoryRegionOps i8042_cmd_ops = {
+ .old_portio = i8042_cmd_portio
+};
+
+static int i8042_initfn(ISADevice *dev)
+{
+ ISAKBDState *isa_s = DO_UPCAST(ISAKBDState, dev, dev);
+ KBDState *s = &isa_s->kbd;
+
+ isa_init_irq(dev, &s->irq_kbd, 1);
+ isa_init_irq(dev, &s->irq_mouse, 12);
+
+ memory_region_init_io(isa_s->io + 0, &i8042_data_ops, s, "i8042-data", 1);
+ isa_register_ioport(dev, isa_s->io + 0, 0x60);
+
+ memory_region_init_io(isa_s->io + 1, &i8042_cmd_ops, s, "i8042-cmd", 1);
+ isa_register_ioport(dev, isa_s->io + 1, 0x64);
+
+ s->kbd = ps2_kbd_init(kbd_update_kbd_irq, s);
+ s->mouse = ps2_mouse_init(kbd_update_aux_irq, s);
+ qemu_register_reset(kbd_reset, s);
+ return 0;
+}
+
+static void i8042_class_initfn(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ ISADeviceClass *ic = ISA_DEVICE_CLASS(klass);
+ ic->init = i8042_initfn;
+ dc->no_user = 1;
+ dc->vmsd = &vmstate_kbd_isa;
+}
+
+static TypeInfo i8042_info = {
+ .name = "i8042",
+ .parent = TYPE_ISA_DEVICE,
+ .instance_size = sizeof(ISAKBDState),
+ .class_init = i8042_class_initfn,
+};
+
+static void i8042_register_types(void)
+{
+ type_register_static(&i8042_info);
+}
+
+type_init(i8042_register_types)
projects / qemu.git / blobdiff