/*
* QEMU Sparc SLAVIO serial port emulation
- *
- * Copyright (c) 2003-2004 Fabrice Bellard
- *
+ *
+ * Copyright (c) 2003-2005 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
* THE SOFTWARE.
*/
#include "vl.h"
-
+/* debug serial */
//#define DEBUG_SERIAL
/* debug keyboard */
//#define DEBUG_KBD
-/* debug keyboard : only mouse */
+/* debug mouse */
//#define DEBUG_MOUSE
/*
* This is the serial port, mouse and keyboard part of chip STP2001
* (Slave I/O), also produced as NCR89C105. See
* http://www.ibiblio.org/pub/historic-linux/early-ports/Sparc/NCR/NCR89C105.txt
- *
+ *
* The serial ports implement full AMD AM8530 or Zilog Z8530 chips,
* mouse and keyboard ports don't implement all functions and they are
* only asynchronous. There is no DMA.
*
*/
+/*
+ * Modifications:
+ * 2006-Aug-10 Igor Kovalenko : Renamed KBDQueue to SERIOQueue, implemented
+ * serial mouse queue.
+ * Implemented serial mouse protocol.
+ */
+
+#ifdef DEBUG_SERIAL
+#define SER_DPRINTF(fmt, args...) \
+do { printf("SER: " fmt , ##args); } while (0)
+#else
+#define SER_DPRINTF(fmt, args...)
+#endif
+#ifdef DEBUG_KBD
+#define KBD_DPRINTF(fmt, args...) \
+do { printf("KBD: " fmt , ##args); } while (0)
+#else
+#define KBD_DPRINTF(fmt, args...)
+#endif
+#ifdef DEBUG_MOUSE
+#define MS_DPRINTF(fmt, args...) \
+do { printf("MSC: " fmt , ##args); } while (0)
+#else
+#define MS_DPRINTF(fmt, args...)
+#endif
+
+typedef enum {
+ chn_a, chn_b,
+} chn_id_t;
+
+#define CHN_C(s) ((s)->chn == chn_b? 'b' : 'a')
+
+typedef enum {
+ ser, kbd, mouse,
+} chn_type_t;
+
+#define SERIO_QUEUE_SIZE 256
+
+typedef struct {
+ uint8_t data[SERIO_QUEUE_SIZE];
+ int rptr, wptr, count;
+} SERIOQueue;
+
typedef struct ChannelState {
- int irq;
+ qemu_irq irq;
int reg;
- int rxint, txint;
+ int rxint, txint, rxint_under_svc, txint_under_svc;
+ chn_id_t chn; // this channel, A (base+4) or B (base+0)
+ chn_type_t type;
+ struct ChannelState *otherchn;
uint8_t rx, tx, wregs[16], rregs[16];
+ SERIOQueue queue;
CharDriverState *chr;
+ int e0_mode, led_mode, caps_lock_mode, num_lock_mode;
} ChannelState;
struct SerialState {
};
#define SERIAL_MAXADDR 7
+#define SERIAL_SIZE (SERIAL_MAXADDR + 1)
-static void slavio_serial_update_irq(ChannelState *s)
+static void handle_kbd_command(ChannelState *s, int val);
+static int serial_can_receive(void *opaque);
+static void serial_receive_byte(ChannelState *s, int ch);
+static inline void set_txint(ChannelState *s);
+
+static void clear_queue(void *opaque)
{
- if ((s->wregs[1] & 1) && // interrupts enabled
- (((s->wregs[1] & 2) && s->txint == 1) || // tx ints enabled, pending
- ((((s->wregs[1] & 0x18) == 8) || ((s->wregs[1] & 0x18) == 0x10)) &&
- s->rxint == 1) || // rx ints enabled, pending
- ((s->wregs[15] & 0x80) && (s->rregs[0] & 0x80)))) { // break int e&p
- pic_set_irq(s->irq, 1);
+ ChannelState *s = opaque;
+ SERIOQueue *q = &s->queue;
+ q->rptr = q->wptr = q->count = 0;
+}
+
+static void put_queue(void *opaque, int b)
+{
+ ChannelState *s = opaque;
+ SERIOQueue *q = &s->queue;
+
+ SER_DPRINTF("channel %c put: 0x%02x\n", CHN_C(s), b);
+ if (q->count >= SERIO_QUEUE_SIZE)
+ return;
+ q->data[q->wptr] = b;
+ if (++q->wptr == SERIO_QUEUE_SIZE)
+ q->wptr = 0;
+ q->count++;
+ serial_receive_byte(s, 0);
+}
+
+static uint32_t get_queue(void *opaque)
+{
+ ChannelState *s = opaque;
+ SERIOQueue *q = &s->queue;
+ int val;
+
+ if (q->count == 0) {
+ return 0;
} else {
- pic_set_irq(s->irq, 0);
+ val = q->data[q->rptr];
+ if (++q->rptr == SERIO_QUEUE_SIZE)
+ q->rptr = 0;
+ q->count--;
+ }
+ SER_DPRINTF("channel %c get 0x%02x\n", CHN_C(s), val);
+ if (q->count > 0)
+ serial_receive_byte(s, 0);
+ return val;
+}
+
+static int slavio_serial_update_irq_chn(ChannelState *s)
+{
+ if ((s->wregs[1] & 1) && // interrupts enabled
+ (((s->wregs[1] & 2) && s->txint == 1) || // tx ints enabled, pending
+ ((((s->wregs[1] & 0x18) == 8) || ((s->wregs[1] & 0x18) == 0x10)) &&
+ s->rxint == 1) || // rx ints enabled, pending
+ ((s->wregs[15] & 0x80) && (s->rregs[0] & 0x80)))) { // break int e&p
+ return 1;
}
+ return 0;
+}
+
+static void slavio_serial_update_irq(ChannelState *s)
+{
+ int irq;
+
+ irq = slavio_serial_update_irq_chn(s);
+ irq |= slavio_serial_update_irq_chn(s->otherchn);
+
+ SER_DPRINTF("IRQ = %d\n", irq);
+ qemu_set_irq(s->irq, irq);
}
static void slavio_serial_reset_chn(ChannelState *s)
int i;
s->reg = 0;
- for (i = 0; i < SERIAL_MAXADDR; i++) {
- s->rregs[i] = 0;
- s->wregs[i] = 0;
+ for (i = 0; i < SERIAL_SIZE; i++) {
+ s->rregs[i] = 0;
+ s->wregs[i] = 0;
}
s->wregs[4] = 4;
s->wregs[9] = 0xc0;
s->rx = s->tx = 0;
s->rxint = s->txint = 0;
+ s->rxint_under_svc = s->txint_under_svc = 0;
+ s->e0_mode = s->led_mode = s->caps_lock_mode = s->num_lock_mode = 0;
+ clear_queue(s);
}
static void slavio_serial_reset(void *opaque)
slavio_serial_reset_chn(&s->chn[1]);
}
-static void slavio_serial_mem_writeb(void *opaque, uint32_t addr, uint32_t val)
+static inline void clr_rxint(ChannelState *s)
+{
+ s->rxint = 0;
+ s->rxint_under_svc = 0;
+ if (s->chn == chn_a) {
+ if (s->wregs[9] & 0x10)
+ s->otherchn->rregs[2] = 0x60;
+ else
+ s->otherchn->rregs[2] = 0x06;
+ s->rregs[3] &= ~0x20;
+ } else {
+ if (s->wregs[9] & 0x10)
+ s->rregs[2] = 0x60;
+ else
+ s->rregs[2] = 0x06;
+ s->otherchn->rregs[3] &= ~4;
+ }
+ if (s->txint)
+ set_txint(s);
+ slavio_serial_update_irq(s);
+}
+
+static inline void set_rxint(ChannelState *s)
+{
+ s->rxint = 1;
+ if (!s->txint_under_svc) {
+ s->rxint_under_svc = 1;
+ if (s->chn == chn_a) {
+ if (s->wregs[9] & 0x10)
+ s->otherchn->rregs[2] = 0x30;
+ else
+ s->otherchn->rregs[2] = 0x0c;
+ } else {
+ if (s->wregs[9] & 0x10)
+ s->rregs[2] = 0x20;
+ else
+ s->rregs[2] = 0x04;
+ }
+ }
+ if (s->chn == chn_a)
+ s->rregs[3] |= 0x20;
+ else
+ s->otherchn->rregs[3] |= 4;
+ slavio_serial_update_irq(s);
+}
+
+static inline void clr_txint(ChannelState *s)
+{
+ s->txint = 0;
+ s->txint_under_svc = 0;
+ if (s->chn == chn_a) {
+ if (s->wregs[9] & 0x10)
+ s->otherchn->rregs[2] = 0x60;
+ else
+ s->otherchn->rregs[2] = 0x06;
+ s->rregs[3] &= ~0x10;
+ } else {
+ if (s->wregs[9] & 0x10)
+ s->rregs[2] = 0x60;
+ else
+ s->rregs[2] = 0x06;
+ s->otherchn->rregs[3] &= ~2;
+ }
+ if (s->rxint)
+ set_rxint(s);
+ slavio_serial_update_irq(s);
+}
+
+static inline void set_txint(ChannelState *s)
+{
+ s->txint = 1;
+ if (!s->rxint_under_svc) {
+ s->txint_under_svc = 1;
+ if (s->chn == chn_a) {
+ if (s->wregs[9] & 0x10)
+ s->otherchn->rregs[2] = 0x10;
+ else
+ s->otherchn->rregs[2] = 0x08;
+ } else {
+ s->rregs[2] = 0;
+ }
+ }
+ if (s->chn == chn_a)
+ s->rregs[3] |= 0x10;
+ else
+ s->otherchn->rregs[3] |= 2;
+ slavio_serial_update_irq(s);
+}
+
+static void slavio_serial_update_parameters(ChannelState *s)
{
- SerialState *ser = opaque;
+ int speed, parity, data_bits, stop_bits;
+ QEMUSerialSetParams ssp;
+
+ if (!s->chr || s->type != ser)
+ return;
+
+ if (s->wregs[4] & 1) {
+ if (s->wregs[4] & 2)
+ parity = 'E';
+ else
+ parity = 'O';
+ } else {
+ parity = 'N';
+ }
+ if ((s->wregs[4] & 0x0c) == 0x0c)
+ stop_bits = 2;
+ else
+ stop_bits = 1;
+ switch (s->wregs[5] & 0x60) {
+ case 0x00:
+ data_bits = 5;
+ break;
+ case 0x20:
+ data_bits = 7;
+ break;
+ case 0x40:
+ data_bits = 6;
+ break;
+ default:
+ case 0x60:
+ data_bits = 8;
+ break;
+ }
+ speed = 2457600 / ((s->wregs[12] | (s->wregs[13] << 8)) + 2);
+ switch (s->wregs[4] & 0xc0) {
+ case 0x00:
+ break;
+ case 0x40:
+ speed /= 16;
+ break;
+ case 0x80:
+ speed /= 32;
+ break;
+ default:
+ case 0xc0:
+ speed /= 64;
+ break;
+ }
+ ssp.speed = speed;
+ ssp.parity = parity;
+ ssp.data_bits = data_bits;
+ ssp.stop_bits = stop_bits;
+ SER_DPRINTF("channel %c: speed=%d parity=%c data=%d stop=%d\n", CHN_C(s),
+ speed, parity, data_bits, stop_bits);
+ qemu_chr_ioctl(s->chr, CHR_IOCTL_SERIAL_SET_PARAMS, &ssp);
+}
+
+static void slavio_serial_mem_writeb(void *opaque, target_phys_addr_t addr, uint32_t val)
+{
+ SerialState *serial = opaque;
ChannelState *s;
uint32_t saddr;
int newreg, channel;
val &= 0xff;
saddr = (addr & 3) >> 1;
channel = (addr & SERIAL_MAXADDR) >> 2;
- s = &ser->chn[channel];
+ s = &serial->chn[channel];
switch (saddr) {
case 0:
- newreg = 0;
- switch (s->reg) {
- case 0:
- newreg = val & 7;
- val &= 0x38;
- switch (val) {
- case 8:
- s->reg |= 0x8;
- break;
- case 0x20:
- s->rxint = 0;
- break;
- case 0x28:
- s->txint = 0;
- break;
- default:
- break;
- }
- break;
- case 1 ... 8:
- case 10 ... 15:
- s->wregs[s->reg] = val;
- break;
- case 9:
- switch (val & 0xc0) {
- case 0:
- default:
- break;
- case 0x40:
- slavio_serial_reset_chn(&ser->chn[1]);
- return;
- case 0x80:
- slavio_serial_reset_chn(&ser->chn[0]);
- return;
- case 0xc0:
- slavio_serial_reset(ser);
- return;
- }
- break;
- default:
- break;
- }
- if (s->reg == 0)
- s->reg = newreg;
- else
- s->reg = 0;
- break;
+ SER_DPRINTF("Write channel %c, reg[%d] = %2.2x\n", CHN_C(s), s->reg, val & 0xff);
+ newreg = 0;
+ switch (s->reg) {
+ case 0:
+ newreg = val & 7;
+ val &= 0x38;
+ switch (val) {
+ case 8:
+ newreg |= 0x8;
+ break;
+ case 0x28:
+ clr_txint(s);
+ break;
+ case 0x38:
+ if (s->rxint_under_svc)
+ clr_rxint(s);
+ else if (s->txint_under_svc)
+ clr_txint(s);
+ break;
+ default:
+ break;
+ }
+ break;
+ case 1 ... 3:
+ case 6 ... 8:
+ case 10 ... 11:
+ case 14 ... 15:
+ s->wregs[s->reg] = val;
+ break;
+ case 4:
+ case 5:
+ case 12:
+ case 13:
+ s->wregs[s->reg] = val;
+ slavio_serial_update_parameters(s);
+ break;
+ case 9:
+ switch (val & 0xc0) {
+ case 0:
+ default:
+ break;
+ case 0x40:
+ slavio_serial_reset_chn(&serial->chn[1]);
+ return;
+ case 0x80:
+ slavio_serial_reset_chn(&serial->chn[0]);
+ return;
+ case 0xc0:
+ slavio_serial_reset(serial);
+ return;
+ }
+ break;
+ default:
+ break;
+ }
+ if (s->reg == 0)
+ s->reg = newreg;
+ else
+ s->reg = 0;
+ break;
case 1:
- if (s->wregs[5] & 8) { // tx enabled
- s->tx = val;
- if (s->chr)
- qemu_chr_write(s->chr, &s->tx, 1);
- s->txint = 1;
- }
- break;
+ SER_DPRINTF("Write channel %c, ch %d\n", CHN_C(s), val);
+ s->tx = val;
+ if (s->wregs[5] & 8) { // tx enabled
+ if (s->chr)
+ qemu_chr_write(s->chr, &s->tx, 1);
+ else if (s->type == kbd) {
+ handle_kbd_command(s, val);
+ }
+ }
+ s->rregs[0] |= 4; // Tx buffer empty
+ s->rregs[1] |= 1; // All sent
+ set_txint(s);
+ break;
default:
- break;
+ break;
}
}
-static uint32_t slavio_serial_mem_readb(void *opaque, uint32_t addr)
+static uint32_t slavio_serial_mem_readb(void *opaque, target_phys_addr_t addr)
{
- SerialState *ser = opaque;
+ SerialState *serial = opaque;
ChannelState *s;
uint32_t saddr;
uint32_t ret;
saddr = (addr & 3) >> 1;
channel = (addr & SERIAL_MAXADDR) >> 2;
- s = &ser->chn[channel];
+ s = &serial->chn[channel];
switch (saddr) {
case 0:
- ret = s->rregs[s->reg];
- s->reg = 0;
- return ret;
+ SER_DPRINTF("Read channel %c, reg[%d] = %2.2x\n", CHN_C(s), s->reg, s->rregs[s->reg]);
+ ret = s->rregs[s->reg];
+ s->reg = 0;
+ return ret;
case 1:
- s->rregs[0] &= ~1;
- return s->rx;
+ s->rregs[0] &= ~1;
+ clr_rxint(s);
+ if (s->type == kbd || s->type == mouse)
+ ret = get_queue(s);
+ else
+ ret = s->rx;
+ SER_DPRINTF("Read channel %c, ch %d\n", CHN_C(s), ret);
+ return ret;
default:
- break;
+ break;
}
return 0;
}
static int serial_can_receive(void *opaque)
{
ChannelState *s = opaque;
+ int ret;
+
if (((s->wregs[3] & 1) == 0) // Rx not enabled
- || ((s->rregs[0] & 1) == 1)) // char already available
- return 0;
+ || ((s->rregs[0] & 1) == 1)) // char already available
+ ret = 0;
else
- return 1;
+ ret = 1;
+ //SER_DPRINTF("channel %c can receive %d\n", CHN_C(s), ret);
+ return ret;
}
static void serial_receive_byte(ChannelState *s, int ch)
{
+ SER_DPRINTF("channel %c put ch %d\n", CHN_C(s), ch);
s->rregs[0] |= 1;
s->rx = ch;
- s->rxint = 1;
- slavio_serial_update_irq(s);
+ set_rxint(s);
}
static void serial_receive_break(ChannelState *s)
static void slavio_serial_save_chn(QEMUFile *f, ChannelState *s)
{
- qemu_put_be32s(f, &s->irq);
+ int tmp;
+ tmp = 0;
+ qemu_put_be32s(f, &tmp); /* unused, was IRQ. */
qemu_put_be32s(f, &s->reg);
qemu_put_be32s(f, &s->rxint);
qemu_put_be32s(f, &s->txint);
+ qemu_put_be32s(f, &s->rxint_under_svc);
+ qemu_put_be32s(f, &s->txint_under_svc);
qemu_put_8s(f, &s->rx);
qemu_put_8s(f, &s->tx);
qemu_put_buffer(f, s->wregs, 16);
static int slavio_serial_load_chn(QEMUFile *f, ChannelState *s, int version_id)
{
- if (version_id != 1)
+ int tmp;
+
+ if (version_id > 2)
return -EINVAL;
- qemu_get_be32s(f, &s->irq);
+ qemu_get_be32s(f, &tmp); /* unused */
qemu_get_be32s(f, &s->reg);
qemu_get_be32s(f, &s->rxint);
qemu_get_be32s(f, &s->txint);
+ if (version_id >= 2) {
+ qemu_get_be32s(f, &s->rxint_under_svc);
+ qemu_get_be32s(f, &s->txint_under_svc);
+ }
qemu_get_8s(f, &s->rx);
qemu_get_8s(f, &s->tx);
qemu_get_buffer(f, s->wregs, 16);
ret = slavio_serial_load_chn(f, &s->chn[0], version_id);
if (ret != 0)
- return ret;
+ return ret;
ret = slavio_serial_load_chn(f, &s->chn[1], version_id);
return ret;
}
-SerialState *slavio_serial_init(int base, int irq, CharDriverState *chr1, CharDriverState *chr2)
+SerialState *slavio_serial_init(target_phys_addr_t base, qemu_irq irq,
+ CharDriverState *chr1, CharDriverState *chr2)
{
- int slavio_serial_io_memory;
+ int slavio_serial_io_memory, i;
SerialState *s;
s = qemu_mallocz(sizeof(SerialState));
if (!s)
return NULL;
- s->chn[0].irq = irq;
- s->chn[1].irq = irq;
- s->chn[0].chr = chr1;
- s->chn[1].chr = chr2;
slavio_serial_io_memory = cpu_register_io_memory(0, slavio_serial_mem_read, slavio_serial_mem_write, s);
- cpu_register_physical_memory(base, SERIAL_MAXADDR, slavio_serial_io_memory);
+ cpu_register_physical_memory(base, SERIAL_SIZE, slavio_serial_io_memory);
- if (chr1) {
- qemu_chr_add_read_handler(chr1, serial_can_receive, serial_receive1, &s->chn[0]);
- qemu_chr_add_event_handler(chr1, serial_event);
- }
- if (chr2) {
- qemu_chr_add_read_handler(chr2, serial_can_receive, serial_receive1, &s->chn[1]);
- qemu_chr_add_event_handler(chr2, serial_event);
+ s->chn[0].chr = chr1;
+ s->chn[1].chr = chr2;
+
+ for (i = 0; i < 2; i++) {
+ s->chn[i].irq = irq;
+ s->chn[i].chn = 1 - i;
+ s->chn[i].type = ser;
+ if (s->chn[i].chr) {
+ qemu_chr_add_handlers(s->chn[i].chr, serial_can_receive,
+ serial_receive1, serial_event, &s->chn[i]);
+ }
}
- register_savevm("slavio_serial", base, 1, slavio_serial_save, slavio_serial_load, s);
+ s->chn[0].otherchn = &s->chn[1];
+ s->chn[1].otherchn = &s->chn[0];
+ register_savevm("slavio_serial", base, 2, slavio_serial_save, slavio_serial_load, s);
qemu_register_reset(slavio_serial_reset, s);
slavio_serial_reset(s);
return s;
}
+static const uint8_t keycodes[128] = {
+ 127, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 43, 53,
+ 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 89, 76, 77, 78,
+ 79, 80, 81, 82, 83, 84, 85, 86, 87, 42, 99, 88, 100, 101, 102, 103,
+ 104, 105, 106, 107, 108, 109, 110, 47, 19, 121, 119, 5, 6, 8, 10, 12,
+ 14, 16, 17, 18, 7, 98, 23, 68, 69, 70, 71, 91, 92, 93, 125, 112,
+ 113, 114, 94, 50, 0, 0, 124, 9, 11, 0, 0, 0, 0, 0, 0, 0,
+ 90, 0, 46, 22, 13, 111, 52, 20, 96, 24, 28, 74, 27, 123, 44, 66,
+ 0, 45, 2, 4, 48, 0, 0, 21, 0, 0, 0, 0, 0, 120, 122, 67,
+};
+
+static const uint8_t e0_keycodes[128] = {
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 90, 76, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 109, 0, 0, 13, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 68, 69, 70, 0, 91, 0, 93, 0, 112,
+ 113, 114, 94, 50, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+};
+
static void sunkbd_event(void *opaque, int ch)
{
ChannelState *s = opaque;
- // XXX: PC -> Sun Type 5 translation?
- serial_receive_byte(s, ch);
+ int release = ch & 0x80;
+
+ KBD_DPRINTF("Untranslated keycode %2.2x (%s)\n", ch, release? "release" : "press");
+ switch (ch) {
+ case 58: // Caps lock press
+ s->caps_lock_mode ^= 1;
+ if (s->caps_lock_mode == 2)
+ return; // Drop second press
+ break;
+ case 69: // Num lock press
+ s->num_lock_mode ^= 1;
+ if (s->num_lock_mode == 2)
+ return; // Drop second press
+ break;
+ case 186: // Caps lock release
+ s->caps_lock_mode ^= 2;
+ if (s->caps_lock_mode == 3)
+ return; // Drop first release
+ break;
+ case 197: // Num lock release
+ s->num_lock_mode ^= 2;
+ if (s->num_lock_mode == 3)
+ return; // Drop first release
+ break;
+ case 0xe0:
+ s->e0_mode = 1;
+ return;
+ default:
+ break;
+ }
+ if (s->e0_mode) {
+ s->e0_mode = 0;
+ ch = e0_keycodes[ch & 0x7f];
+ } else {
+ ch = keycodes[ch & 0x7f];
+ }
+ KBD_DPRINTF("Translated keycode %2.2x\n", ch);
+ put_queue(s, ch | release);
}
-static void sunmouse_event(void *opaque,
+static void handle_kbd_command(ChannelState *s, int val)
+{
+ KBD_DPRINTF("Command %d\n", val);
+ if (s->led_mode) { // Ignore led byte
+ s->led_mode = 0;
+ return;
+ }
+ switch (val) {
+ case 1: // Reset, return type code
+ clear_queue(s);
+ put_queue(s, 0xff);
+ put_queue(s, 4); // Type 4
+ put_queue(s, 0x7f);
+ break;
+ case 0xe: // Set leds
+ s->led_mode = 1;
+ break;
+ case 7: // Query layout
+ case 0xf:
+ clear_queue(s);
+ put_queue(s, 0xfe);
+ put_queue(s, 0); // XXX, layout?
+ break;
+ default:
+ break;
+ }
+}
+
+static void sunmouse_event(void *opaque,
int dx, int dy, int dz, int buttons_state)
{
ChannelState *s = opaque;
int ch;
- // XXX
- ch = 0x42;
- serial_receive_byte(s, ch);
+ MS_DPRINTF("dx=%d dy=%d buttons=%01x\n", dx, dy, buttons_state);
+
+ ch = 0x80 | 0x7; /* protocol start byte, no buttons pressed */
+
+ if (buttons_state & MOUSE_EVENT_LBUTTON)
+ ch ^= 0x4;
+ if (buttons_state & MOUSE_EVENT_MBUTTON)
+ ch ^= 0x2;
+ if (buttons_state & MOUSE_EVENT_RBUTTON)
+ ch ^= 0x1;
+
+ put_queue(s, ch);
+
+ ch = dx;
+
+ if (ch > 127)
+ ch=127;
+ else if (ch < -127)
+ ch=-127;
+
+ put_queue(s, ch & 0xff);
+
+ ch = -dy;
+
+ if (ch > 127)
+ ch=127;
+ else if (ch < -127)
+ ch=-127;
+
+ put_queue(s, ch & 0xff);
+
+ // MSC protocol specify two extra motion bytes
+
+ put_queue(s, 0);
+ put_queue(s, 0);
}
-void slavio_serial_ms_kbd_init(int base, int irq)
+void slavio_serial_ms_kbd_init(target_phys_addr_t base, qemu_irq irq)
{
- int slavio_serial_io_memory;
+ int slavio_serial_io_memory, i;
SerialState *s;
s = qemu_mallocz(sizeof(SerialState));
if (!s)
return;
- s->chn[0].irq = irq;
- s->chn[1].irq = irq;
- s->chn[0].chr = NULL;
- s->chn[1].chr = NULL;
+ for (i = 0; i < 2; i++) {
+ s->chn[i].irq = irq;
+ s->chn[i].chn = 1 - i;
+ s->chn[i].chr = NULL;
+ }
+ s->chn[0].otherchn = &s->chn[1];
+ s->chn[1].otherchn = &s->chn[0];
+ s->chn[0].type = mouse;
+ s->chn[1].type = kbd;
slavio_serial_io_memory = cpu_register_io_memory(0, slavio_serial_mem_read, slavio_serial_mem_write, s);
- cpu_register_physical_memory(base, SERIAL_MAXADDR, slavio_serial_io_memory);
+ cpu_register_physical_memory(base, SERIAL_SIZE, slavio_serial_io_memory);
- qemu_add_kbd_event_handler(sunkbd_event, &s->chn[0]);
- qemu_add_mouse_event_handler(sunmouse_event, &s->chn[1]);
+ qemu_add_mouse_event_handler(sunmouse_event, &s->chn[0], 0, "QEMU Sun Mouse");
+ qemu_add_kbd_event_handler(sunkbd_event, &s->chn[1]);
+ register_savevm("slavio_serial_mouse", base, 2, slavio_serial_save, slavio_serial_load, s);
qemu_register_reset(slavio_serial_reset, s);
slavio_serial_reset(s);
}
projects / qemu / blobdiff