mirror of https://gitee.com/openkylin/qemu.git
keyboard support (Blue Swirl)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1346 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard
parent
d827220bbf
commit
8be1f5c889
|
|
@ -1,7 +1,7 @@
|
|||
/*
|
||||
* 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
|
||||
|
|
@ -22,13 +22,13 @@
|
|||
* THE SOFTWARE.
|
||||
*/
|
||||
#include "vl.h"
|
||||
|
||||
/* debug serial */
|
||||
//#define DEBUG_SERIAL
|
||||
|
||||
/* debug keyboard */
|
||||
//#define DEBUG_KBD
|
||||
|
||||
/* debug keyboard : only mouse */
|
||||
/* debug mouse */
|
||||
//#define DEBUG_MOUSE
|
||||
|
||||
/*
|
||||
|
|
@ -42,11 +42,49 @@
|
|||
*
|
||||
*/
|
||||
|
||||
#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("SER: " fmt , ##args); } while (0)
|
||||
#else
|
||||
#define MS_DPRINTF(fmt, args...)
|
||||
#endif
|
||||
|
||||
typedef enum {
|
||||
chn_a, chn_b,
|
||||
} chn_id_t;
|
||||
|
||||
typedef enum {
|
||||
ser, kbd, mouse,
|
||||
} chn_type_t;
|
||||
|
||||
#define KBD_QUEUE_SIZE 256
|
||||
|
||||
typedef struct {
|
||||
uint8_t data[KBD_QUEUE_SIZE];
|
||||
int rptr, wptr, count;
|
||||
} KBDQueue;
|
||||
|
||||
typedef struct ChannelState {
|
||||
int irq;
|
||||
int reg;
|
||||
int rxint, txint;
|
||||
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];
|
||||
KBDQueue queue;
|
||||
CharDriverState *chr;
|
||||
} ChannelState;
|
||||
|
||||
|
|
@ -56,6 +94,45 @@ struct SerialState {
|
|||
|
||||
#define SERIAL_MAXADDR 7
|
||||
|
||||
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 void put_queue(void *opaque, int b)
|
||||
{
|
||||
ChannelState *s = opaque;
|
||||
KBDQueue *q = &s->queue;
|
||||
|
||||
KBD_DPRINTF("put: 0x%02x\n", b);
|
||||
if (q->count >= KBD_QUEUE_SIZE)
|
||||
return;
|
||||
q->data[q->wptr] = b;
|
||||
if (++q->wptr == KBD_QUEUE_SIZE)
|
||||
q->wptr = 0;
|
||||
q->count++;
|
||||
serial_receive_byte(s, 0);
|
||||
}
|
||||
|
||||
static uint32_t get_queue(void *opaque)
|
||||
{
|
||||
ChannelState *s = opaque;
|
||||
KBDQueue *q = &s->queue;
|
||||
int val;
|
||||
|
||||
if (q->count == 0) {
|
||||
return 0;
|
||||
} else {
|
||||
val = q->data[q->rptr];
|
||||
if (++q->rptr == KBD_QUEUE_SIZE)
|
||||
q->rptr = 0;
|
||||
q->count--;
|
||||
}
|
||||
KBD_DPRINTF("get 0x%02x\n", val);
|
||||
if (q->count > 0)
|
||||
serial_receive_byte(s, 0);
|
||||
return val;
|
||||
}
|
||||
|
||||
static void slavio_serial_update_irq(ChannelState *s)
|
||||
{
|
||||
if ((s->wregs[1] & 1) && // interrupts enabled
|
||||
|
|
@ -110,6 +187,7 @@ static void slavio_serial_mem_writeb(void *opaque, target_phys_addr_t addr, uint
|
|||
s = &ser->chn[channel];
|
||||
switch (saddr) {
|
||||
case 0:
|
||||
SER_DPRINTF("Write channel %c, reg[%d] = %2.2x\n", channel? 'b' : 'a', s->reg, val & 0xff);
|
||||
newreg = 0;
|
||||
switch (s->reg) {
|
||||
case 0:
|
||||
|
|
@ -158,11 +236,23 @@ static void slavio_serial_mem_writeb(void *opaque, target_phys_addr_t addr, uint
|
|||
s->reg = 0;
|
||||
break;
|
||||
case 1:
|
||||
SER_DPRINTF("Write channel %c, ch %d\n", channel? 'b' : 'a', val);
|
||||
if (s->wregs[5] & 8) { // tx enabled
|
||||
s->tx = val;
|
||||
if (s->chr)
|
||||
qemu_chr_write(s->chr, &s->tx, 1);
|
||||
else if (s->type == kbd) {
|
||||
handle_kbd_command(s, val);
|
||||
}
|
||||
s->txint = 1;
|
||||
s->rregs[0] |= 4;
|
||||
// Interrupts reported only on channel A
|
||||
if (s->chn == 0)
|
||||
s->rregs[3] |= 0x10;
|
||||
else {
|
||||
s->otherchn->rregs[3] |= 2;
|
||||
}
|
||||
slavio_serial_update_irq(s);
|
||||
}
|
||||
break;
|
||||
default:
|
||||
|
|
@ -183,12 +273,18 @@ static uint32_t slavio_serial_mem_readb(void *opaque, target_phys_addr_t addr)
|
|||
s = &ser->chn[channel];
|
||||
switch (saddr) {
|
||||
case 0:
|
||||
SER_DPRINTF("Read channel %c, reg[%d] = %2.2x\n", channel? 'b' : 'a', s->reg, s->rregs[s->reg]);
|
||||
ret = s->rregs[s->reg];
|
||||
s->reg = 0;
|
||||
return ret;
|
||||
case 1:
|
||||
SER_DPRINTF("Read channel %c, ch %d\n", channel? 'b' : 'a', s->rx);
|
||||
s->rregs[0] &= ~1;
|
||||
return s->rx;
|
||||
if (s->type == kbd)
|
||||
ret = get_queue(s);
|
||||
else
|
||||
ret = s->rx;
|
||||
return ret;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
|
@ -208,6 +304,12 @@ static int serial_can_receive(void *opaque)
|
|||
static void serial_receive_byte(ChannelState *s, int ch)
|
||||
{
|
||||
s->rregs[0] |= 1;
|
||||
// Interrupts reported only on channel A
|
||||
if (s->chn == 0)
|
||||
s->rregs[3] |= 0x20;
|
||||
else {
|
||||
s->otherchn->rregs[3] |= 4;
|
||||
}
|
||||
s->rx = ch;
|
||||
s->rxint = 1;
|
||||
slavio_serial_update_irq(s);
|
||||
|
|
@ -295,39 +397,73 @@ static int slavio_serial_load(QEMUFile *f, void *opaque, int version_id)
|
|||
|
||||
SerialState *slavio_serial_init(int base, int 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);
|
||||
|
||||
if (chr1) {
|
||||
qemu_chr_add_read_handler(chr1, serial_can_receive, serial_receive1, &s->chn[0]);
|
||||
qemu_chr_add_event_handler(chr1, 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_read_handler(s->chn[i].chr, serial_can_receive, serial_receive1, &s->chn[i]);
|
||||
qemu_chr_add_event_handler(s->chn[i].chr, 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].otherchn = &s->chn[1];
|
||||
s->chn[1].otherchn = &s->chn[0];
|
||||
register_savevm("slavio_serial", base, 1, 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 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;
|
||||
|
||||
ch = keycodes[ch & 0x7f];
|
||||
KBD_DPRINTF("Keycode %d (%s)\n", ch, release? "release" : "press");
|
||||
put_queue(s, ch | release);
|
||||
}
|
||||
|
||||
static void handle_kbd_command(ChannelState *s, int val)
|
||||
{
|
||||
KBD_DPRINTF("Command %d\n", val);
|
||||
switch (val) {
|
||||
case 1: // Reset, return type code
|
||||
put_queue(s, 0xff);
|
||||
put_queue(s, 0xff);
|
||||
put_queue(s, 5); // Type 5
|
||||
break;
|
||||
case 7: // Query layout
|
||||
put_queue(s, 0xfe);
|
||||
put_queue(s, 0x20); // XXX, layout?
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
static void sunmouse_event(void *opaque,
|
||||
|
|
@ -343,22 +479,27 @@ static void sunmouse_event(void *opaque,
|
|||
|
||||
void slavio_serial_ms_kbd_init(int base, int 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);
|
||||
|
||||
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]);
|
||||
qemu_add_kbd_event_handler(sunkbd_event, &s->chn[1]);
|
||||
qemu_register_reset(slavio_serial_reset, s);
|
||||
slavio_serial_reset(s);
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue