/*
* 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
-
/* Keyboard Controller Commands */
#define KBD_CCMD_READ_MODE 0x20 /* Read mode bits */
#define KBD_CCMD_WRITE_MODE 0x60 /* Write mode bits */
#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
uint8_t pending;
void *kbd;
void *mouse;
+
+ qemu_irq irq_kbd;
+ qemu_irq irq_mouse;
+ target_phys_addr_t mask;
} KBDState;
-KBDState kbd_state;
+static 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)
{
- 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 (s->pending) {
s->status |= KBD_STAT_OBF;
- /* kdb data takes priority over aux data. */
+ /* kbd data takes priority over aux data. */
if (s->pending == KBD_PENDING_AUX) {
s->status |= KBD_STAT_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_update_kbd_irq(void *opaque, int level)
static uint32_t kbd_read_data(void *opaque, uint32_t addr)
{
KBDState *s = opaque;
+ uint32_t val;
if (s->pending == KBD_PENDING_AUX)
- return ps2_read_data(s->mouse);
+ val = ps2_read_data(s->mouse);
+ else
+ val = ps2_read_data(s->kbd);
- return ps2_read_data(s->kbd);
+#if defined(DEBUG_KBD)
+ printf("kbd: read data=0x%02x\n", val);
+#endif
+ 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;
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);
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);
return 0;
}
-void kbd_init(void)
+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, 0, s);
+}
+
+/* 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);
+}
+
+static CPUReadMemoryFunc *kbd_mm_read[] = {
+ &kbd_mm_readb,
+ &kbd_mm_readb,
+ &kbd_mm_readb,
+};
+
+static CPUWriteMemoryFunc *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, 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->mask = mask;
+
kbd_reset(s);
register_savevm("pckbd", 0, 3, kbd_save, kbd_load, 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_io_memory = cpu_register_io_memory(0, 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);
- qemu_register_reset(kbd_reset, s);
+#ifdef TARGET_I386
+ vmmouse_init(s->mouse);
+#endif
+ qemu_register_reset(kbd_reset, 0, s);
}
projects / qemu / blobdiff