root / hw / slavio_serial.c @ b76482e7
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/*
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* QEMU Sparc SLAVIO serial port emulation
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*
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* Copyright (c) 2003-2005 Fabrice Bellard
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "hw.h" |
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#include "sun4m.h" |
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#include "qemu-char.h" |
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#include "console.h" |
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/* debug serial */
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//#define DEBUG_SERIAL
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/* debug keyboard */
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//#define DEBUG_KBD
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/* debug mouse */
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//#define DEBUG_MOUSE
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/*
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* This is the serial port, mouse and keyboard part of chip STP2001
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* (Slave I/O), also produced as NCR89C105. See
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* http://www.ibiblio.org/pub/historic-linux/early-ports/Sparc/NCR/NCR89C105.txt
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*
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* The serial ports implement full AMD AM8530 or Zilog Z8530 chips,
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* mouse and keyboard ports don't implement all functions and they are
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* only asynchronous. There is no DMA.
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*
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*/
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/*
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* Modifications:
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* 2006-Aug-10 Igor Kovalenko : Renamed KBDQueue to SERIOQueue, implemented
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* serial mouse queue.
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* Implemented serial mouse protocol.
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*/
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#ifdef DEBUG_SERIAL
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#define SER_DPRINTF(fmt, args...) \
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do { printf("SER: " fmt , ##args); } while (0) |
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#else
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#define SER_DPRINTF(fmt, args...)
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#endif
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#ifdef DEBUG_KBD
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#define KBD_DPRINTF(fmt, args...) \
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do { printf("KBD: " fmt , ##args); } while (0) |
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#else
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#define KBD_DPRINTF(fmt, args...)
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#endif
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#ifdef DEBUG_MOUSE
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#define MS_DPRINTF(fmt, args...) \
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do { printf("MSC: " fmt , ##args); } while (0) |
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#else
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#define MS_DPRINTF(fmt, args...)
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#endif
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typedef enum { |
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chn_a, chn_b, |
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} chn_id_t; |
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#define CHN_C(s) ((s)->chn == chn_b? 'b' : 'a') |
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typedef enum { |
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ser, kbd, mouse, |
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} chn_type_t; |
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#define SERIO_QUEUE_SIZE 256 |
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typedef struct { |
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uint8_t data[SERIO_QUEUE_SIZE]; |
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int rptr, wptr, count;
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} SERIOQueue; |
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typedef struct ChannelState { |
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qemu_irq irq; |
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int reg;
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int rxint, txint, rxint_under_svc, txint_under_svc;
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chn_id_t chn; // this channel, A (base+4) or B (base+0)
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chn_type_t type; |
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struct ChannelState *otherchn;
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uint8_t rx, tx, wregs[16], rregs[16]; |
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SERIOQueue queue; |
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CharDriverState *chr; |
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int e0_mode, led_mode, caps_lock_mode, num_lock_mode;
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} ChannelState; |
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struct SerialState {
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struct ChannelState chn[2]; |
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}; |
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#define SERIAL_MAXADDR 7 |
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#define SERIAL_SIZE (SERIAL_MAXADDR + 1) |
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|
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static void handle_kbd_command(ChannelState *s, int val); |
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static int serial_can_receive(void *opaque); |
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static void serial_receive_byte(ChannelState *s, int ch); |
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static inline void set_txint(ChannelState *s); |
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|
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static void clear_queue(void *opaque) |
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{ |
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ChannelState *s = opaque; |
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SERIOQueue *q = &s->queue; |
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q->rptr = q->wptr = q->count = 0;
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} |
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static void put_queue(void *opaque, int b) |
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{ |
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ChannelState *s = opaque; |
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SERIOQueue *q = &s->queue; |
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SER_DPRINTF("channel %c put: 0x%02x\n", CHN_C(s), b);
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if (q->count >= SERIO_QUEUE_SIZE)
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return;
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q->data[q->wptr] = b; |
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if (++q->wptr == SERIO_QUEUE_SIZE)
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q->wptr = 0;
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q->count++; |
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serial_receive_byte(s, 0);
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} |
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static uint32_t get_queue(void *opaque) |
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{ |
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ChannelState *s = opaque; |
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SERIOQueue *q = &s->queue; |
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int val;
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if (q->count == 0) { |
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return 0; |
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} else {
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val = q->data[q->rptr]; |
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if (++q->rptr == SERIO_QUEUE_SIZE)
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q->rptr = 0;
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q->count--; |
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} |
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SER_DPRINTF("channel %c get 0x%02x\n", CHN_C(s), val);
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if (q->count > 0) |
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serial_receive_byte(s, 0);
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return val;
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} |
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static int slavio_serial_update_irq_chn(ChannelState *s) |
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{ |
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if ((s->wregs[1] & 1) && // interrupts enabled |
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(((s->wregs[1] & 2) && s->txint == 1) || // tx ints enabled, pending |
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((((s->wregs[1] & 0x18) == 8) || ((s->wregs[1] & 0x18) == 0x10)) && |
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s->rxint == 1) || // rx ints enabled, pending |
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((s->wregs[15] & 0x80) && (s->rregs[0] & 0x80)))) { // break int e&p |
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return 1; |
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} |
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return 0; |
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} |
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static void slavio_serial_update_irq(ChannelState *s) |
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{ |
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int irq;
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irq = slavio_serial_update_irq_chn(s); |
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irq |= slavio_serial_update_irq_chn(s->otherchn); |
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SER_DPRINTF("IRQ = %d\n", irq);
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qemu_set_irq(s->irq, irq); |
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} |
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static void slavio_serial_reset_chn(ChannelState *s) |
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{ |
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int i;
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s->reg = 0;
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for (i = 0; i < SERIAL_SIZE; i++) { |
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s->rregs[i] = 0;
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s->wregs[i] = 0;
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} |
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s->wregs[4] = 4; |
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s->wregs[9] = 0xc0; |
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s->wregs[11] = 8; |
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s->wregs[14] = 0x30; |
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s->wregs[15] = 0xf8; |
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s->rregs[0] = 0x44; |
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s->rregs[1] = 6; |
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s->rx = s->tx = 0;
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s->rxint = s->txint = 0;
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s->rxint_under_svc = s->txint_under_svc = 0;
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s->e0_mode = s->led_mode = s->caps_lock_mode = s->num_lock_mode = 0;
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clear_queue(s); |
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} |
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static void slavio_serial_reset(void *opaque) |
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{ |
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SerialState *s = opaque; |
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slavio_serial_reset_chn(&s->chn[0]);
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slavio_serial_reset_chn(&s->chn[1]);
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} |
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static inline void clr_rxint(ChannelState *s) |
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{ |
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s->rxint = 0;
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s->rxint_under_svc = 0;
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if (s->chn == chn_a) {
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if (s->wregs[9] & 0x10) |
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s->otherchn->rregs[2] = 0x60; |
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else
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s->otherchn->rregs[2] = 0x06; |
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s->rregs[3] &= ~0x20; |
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} else {
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if (s->wregs[9] & 0x10) |
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s->rregs[2] = 0x60; |
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else
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s->rregs[2] = 0x06; |
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s->otherchn->rregs[3] &= ~4; |
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} |
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if (s->txint)
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set_txint(s); |
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slavio_serial_update_irq(s); |
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} |
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static inline void set_rxint(ChannelState *s) |
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{ |
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s->rxint = 1;
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if (!s->txint_under_svc) {
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s->rxint_under_svc = 1;
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if (s->chn == chn_a) {
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if (s->wregs[9] & 0x10) |
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s->otherchn->rregs[2] = 0x30; |
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else
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s->otherchn->rregs[2] = 0x0c; |
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} else {
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if (s->wregs[9] & 0x10) |
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s->rregs[2] = 0x20; |
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else
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s->rregs[2] = 0x04; |
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} |
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} |
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if (s->chn == chn_a)
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s->rregs[3] |= 0x20; |
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else
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s->otherchn->rregs[3] |= 4; |
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slavio_serial_update_irq(s); |
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} |
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|
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static inline void clr_txint(ChannelState *s) |
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{ |
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s->txint = 0;
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s->txint_under_svc = 0;
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if (s->chn == chn_a) {
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if (s->wregs[9] & 0x10) |
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s->otherchn->rregs[2] = 0x60; |
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else
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s->otherchn->rregs[2] = 0x06; |
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s->rregs[3] &= ~0x10; |
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} else {
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if (s->wregs[9] & 0x10) |
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s->rregs[2] = 0x60; |
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else
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s->rregs[2] = 0x06; |
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s->otherchn->rregs[3] &= ~2; |
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} |
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if (s->rxint)
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set_rxint(s); |
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slavio_serial_update_irq(s); |
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} |
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static inline void set_txint(ChannelState *s) |
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{ |
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s->txint = 1;
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if (!s->rxint_under_svc) {
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s->txint_under_svc = 1;
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if (s->chn == chn_a) {
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if (s->wregs[9] & 0x10) |
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s->otherchn->rregs[2] = 0x10; |
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else
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s->otherchn->rregs[2] = 0x08; |
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} else {
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s->rregs[2] = 0; |
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} |
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} |
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if (s->chn == chn_a)
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s->rregs[3] |= 0x10; |
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else
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s->otherchn->rregs[3] |= 2; |
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slavio_serial_update_irq(s); |
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} |
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static void slavio_serial_update_parameters(ChannelState *s) |
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{ |
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int speed, parity, data_bits, stop_bits;
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QEMUSerialSetParams ssp; |
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if (!s->chr || s->type != ser)
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return;
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if (s->wregs[4] & 1) { |
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if (s->wregs[4] & 2) |
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parity = 'E';
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else
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parity = 'O';
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} else {
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parity = 'N';
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} |
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if ((s->wregs[4] & 0x0c) == 0x0c) |
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stop_bits = 2;
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else
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stop_bits = 1;
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switch (s->wregs[5] & 0x60) { |
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case 0x00: |
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data_bits = 5;
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break;
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case 0x20: |
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data_bits = 7;
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break;
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case 0x40: |
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data_bits = 6;
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break;
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default:
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case 0x60: |
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data_bits = 8;
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break;
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} |
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speed = 2457600 / ((s->wregs[12] | (s->wregs[13] << 8)) + 2); |
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switch (s->wregs[4] & 0xc0) { |
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case 0x00: |
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break;
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case 0x40: |
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speed /= 16;
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break;
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case 0x80: |
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speed /= 32;
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break;
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default:
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case 0xc0: |
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speed /= 64;
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break;
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} |
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ssp.speed = speed; |
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ssp.parity = parity; |
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ssp.data_bits = data_bits; |
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ssp.stop_bits = stop_bits; |
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SER_DPRINTF("channel %c: speed=%d parity=%c data=%d stop=%d\n", CHN_C(s),
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speed, parity, data_bits, stop_bits); |
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qemu_chr_ioctl(s->chr, CHR_IOCTL_SERIAL_SET_PARAMS, &ssp); |
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} |
360 |
|
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static void slavio_serial_mem_writeb(void *opaque, target_phys_addr_t addr, uint32_t val) |
362 |
{ |
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SerialState *serial = opaque; |
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ChannelState *s; |
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uint32_t saddr; |
366 |
int newreg, channel;
|
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|
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val &= 0xff;
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saddr = (addr & 3) >> 1; |
370 |
channel = (addr & SERIAL_MAXADDR) >> 2;
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s = &serial->chn[channel]; |
372 |
switch (saddr) {
|
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case 0: |
374 |
SER_DPRINTF("Write channel %c, reg[%d] = %2.2x\n", CHN_C(s), s->reg, val & 0xff); |
375 |
newreg = 0;
|
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switch (s->reg) {
|
377 |
case 0: |
378 |
newreg = val & 7;
|
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val &= 0x38;
|
380 |
switch (val) {
|
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case 8: |
382 |
newreg |= 0x8;
|
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break;
|
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case 0x28: |
385 |
clr_txint(s); |
386 |
break;
|
387 |
case 0x38: |
388 |
if (s->rxint_under_svc)
|
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clr_rxint(s); |
390 |
else if (s->txint_under_svc) |
391 |
clr_txint(s); |
392 |
break;
|
393 |
default:
|
394 |
break;
|
395 |
} |
396 |
break;
|
397 |
case 1 ... 3: |
398 |
case 6 ... 8: |
399 |
case 10 ... 11: |
400 |
case 14 ... 15: |
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s->wregs[s->reg] = val; |
402 |
break;
|
403 |
case 4: |
404 |
case 5: |
405 |
case 12: |
406 |
case 13: |
407 |
s->wregs[s->reg] = val; |
408 |
slavio_serial_update_parameters(s); |
409 |
break;
|
410 |
case 9: |
411 |
switch (val & 0xc0) { |
412 |
case 0: |
413 |
default:
|
414 |
break;
|
415 |
case 0x40: |
416 |
slavio_serial_reset_chn(&serial->chn[1]);
|
417 |
return;
|
418 |
case 0x80: |
419 |
slavio_serial_reset_chn(&serial->chn[0]);
|
420 |
return;
|
421 |
case 0xc0: |
422 |
slavio_serial_reset(serial); |
423 |
return;
|
424 |
} |
425 |
break;
|
426 |
default:
|
427 |
break;
|
428 |
} |
429 |
if (s->reg == 0) |
430 |
s->reg = newreg; |
431 |
else
|
432 |
s->reg = 0;
|
433 |
break;
|
434 |
case 1: |
435 |
SER_DPRINTF("Write channel %c, ch %d\n", CHN_C(s), val);
|
436 |
s->tx = val; |
437 |
if (s->wregs[5] & 8) { // tx enabled |
438 |
if (s->chr)
|
439 |
qemu_chr_write(s->chr, &s->tx, 1);
|
440 |
else if (s->type == kbd) { |
441 |
handle_kbd_command(s, val); |
442 |
} |
443 |
} |
444 |
s->rregs[0] |= 4; // Tx buffer empty |
445 |
s->rregs[1] |= 1; // All sent |
446 |
set_txint(s); |
447 |
break;
|
448 |
default:
|
449 |
break;
|
450 |
} |
451 |
} |
452 |
|
453 |
static uint32_t slavio_serial_mem_readb(void *opaque, target_phys_addr_t addr) |
454 |
{ |
455 |
SerialState *serial = opaque; |
456 |
ChannelState *s; |
457 |
uint32_t saddr; |
458 |
uint32_t ret; |
459 |
int channel;
|
460 |
|
461 |
saddr = (addr & 3) >> 1; |
462 |
channel = (addr & SERIAL_MAXADDR) >> 2;
|
463 |
s = &serial->chn[channel]; |
464 |
switch (saddr) {
|
465 |
case 0: |
466 |
SER_DPRINTF("Read channel %c, reg[%d] = %2.2x\n", CHN_C(s), s->reg, s->rregs[s->reg]);
|
467 |
ret = s->rregs[s->reg]; |
468 |
s->reg = 0;
|
469 |
return ret;
|
470 |
case 1: |
471 |
s->rregs[0] &= ~1; |
472 |
clr_rxint(s); |
473 |
if (s->type == kbd || s->type == mouse)
|
474 |
ret = get_queue(s); |
475 |
else
|
476 |
ret = s->rx; |
477 |
SER_DPRINTF("Read channel %c, ch %d\n", CHN_C(s), ret);
|
478 |
if (s->chr)
|
479 |
qemu_chr_accept_input(s->chr); |
480 |
return ret;
|
481 |
default:
|
482 |
break;
|
483 |
} |
484 |
return 0; |
485 |
} |
486 |
|
487 |
static int serial_can_receive(void *opaque) |
488 |
{ |
489 |
ChannelState *s = opaque; |
490 |
int ret;
|
491 |
|
492 |
if (((s->wregs[3] & 1) == 0) // Rx not enabled |
493 |
|| ((s->rregs[0] & 1) == 1)) // char already available |
494 |
ret = 0;
|
495 |
else
|
496 |
ret = 1;
|
497 |
//SER_DPRINTF("channel %c can receive %d\n", CHN_C(s), ret);
|
498 |
return ret;
|
499 |
} |
500 |
|
501 |
static void serial_receive_byte(ChannelState *s, int ch) |
502 |
{ |
503 |
SER_DPRINTF("channel %c put ch %d\n", CHN_C(s), ch);
|
504 |
s->rregs[0] |= 1; |
505 |
s->rx = ch; |
506 |
set_rxint(s); |
507 |
} |
508 |
|
509 |
static void serial_receive_break(ChannelState *s) |
510 |
{ |
511 |
s->rregs[0] |= 0x80; |
512 |
slavio_serial_update_irq(s); |
513 |
} |
514 |
|
515 |
static void serial_receive1(void *opaque, const uint8_t *buf, int size) |
516 |
{ |
517 |
ChannelState *s = opaque; |
518 |
serial_receive_byte(s, buf[0]);
|
519 |
} |
520 |
|
521 |
static void serial_event(void *opaque, int event) |
522 |
{ |
523 |
ChannelState *s = opaque; |
524 |
if (event == CHR_EVENT_BREAK)
|
525 |
serial_receive_break(s); |
526 |
} |
527 |
|
528 |
static CPUReadMemoryFunc *slavio_serial_mem_read[3] = { |
529 |
slavio_serial_mem_readb, |
530 |
slavio_serial_mem_readb, |
531 |
slavio_serial_mem_readb, |
532 |
}; |
533 |
|
534 |
static CPUWriteMemoryFunc *slavio_serial_mem_write[3] = { |
535 |
slavio_serial_mem_writeb, |
536 |
slavio_serial_mem_writeb, |
537 |
slavio_serial_mem_writeb, |
538 |
}; |
539 |
|
540 |
static void slavio_serial_save_chn(QEMUFile *f, ChannelState *s) |
541 |
{ |
542 |
int tmp;
|
543 |
tmp = 0;
|
544 |
qemu_put_be32s(f, &tmp); /* unused, was IRQ. */
|
545 |
qemu_put_be32s(f, &s->reg); |
546 |
qemu_put_be32s(f, &s->rxint); |
547 |
qemu_put_be32s(f, &s->txint); |
548 |
qemu_put_be32s(f, &s->rxint_under_svc); |
549 |
qemu_put_be32s(f, &s->txint_under_svc); |
550 |
qemu_put_8s(f, &s->rx); |
551 |
qemu_put_8s(f, &s->tx); |
552 |
qemu_put_buffer(f, s->wregs, 16);
|
553 |
qemu_put_buffer(f, s->rregs, 16);
|
554 |
} |
555 |
|
556 |
static void slavio_serial_save(QEMUFile *f, void *opaque) |
557 |
{ |
558 |
SerialState *s = opaque; |
559 |
|
560 |
slavio_serial_save_chn(f, &s->chn[0]);
|
561 |
slavio_serial_save_chn(f, &s->chn[1]);
|
562 |
} |
563 |
|
564 |
static int slavio_serial_load_chn(QEMUFile *f, ChannelState *s, int version_id) |
565 |
{ |
566 |
int tmp;
|
567 |
|
568 |
if (version_id > 2) |
569 |
return -EINVAL;
|
570 |
|
571 |
qemu_get_be32s(f, &tmp); /* unused */
|
572 |
qemu_get_be32s(f, &s->reg); |
573 |
qemu_get_be32s(f, &s->rxint); |
574 |
qemu_get_be32s(f, &s->txint); |
575 |
if (version_id >= 2) { |
576 |
qemu_get_be32s(f, &s->rxint_under_svc); |
577 |
qemu_get_be32s(f, &s->txint_under_svc); |
578 |
} |
579 |
qemu_get_8s(f, &s->rx); |
580 |
qemu_get_8s(f, &s->tx); |
581 |
qemu_get_buffer(f, s->wregs, 16);
|
582 |
qemu_get_buffer(f, s->rregs, 16);
|
583 |
return 0; |
584 |
} |
585 |
|
586 |
static int slavio_serial_load(QEMUFile *f, void *opaque, int version_id) |
587 |
{ |
588 |
SerialState *s = opaque; |
589 |
int ret;
|
590 |
|
591 |
ret = slavio_serial_load_chn(f, &s->chn[0], version_id);
|
592 |
if (ret != 0) |
593 |
return ret;
|
594 |
ret = slavio_serial_load_chn(f, &s->chn[1], version_id);
|
595 |
return ret;
|
596 |
|
597 |
} |
598 |
|
599 |
SerialState *slavio_serial_init(target_phys_addr_t base, qemu_irq irq, |
600 |
CharDriverState *chr1, CharDriverState *chr2) |
601 |
{ |
602 |
int slavio_serial_io_memory, i;
|
603 |
SerialState *s; |
604 |
|
605 |
s = qemu_mallocz(sizeof(SerialState));
|
606 |
if (!s)
|
607 |
return NULL; |
608 |
|
609 |
slavio_serial_io_memory = cpu_register_io_memory(0, slavio_serial_mem_read, slavio_serial_mem_write, s);
|
610 |
cpu_register_physical_memory(base, SERIAL_SIZE, slavio_serial_io_memory); |
611 |
|
612 |
s->chn[0].chr = chr1;
|
613 |
s->chn[1].chr = chr2;
|
614 |
|
615 |
for (i = 0; i < 2; i++) { |
616 |
s->chn[i].irq = irq; |
617 |
s->chn[i].chn = 1 - i;
|
618 |
s->chn[i].type = ser; |
619 |
if (s->chn[i].chr) {
|
620 |
qemu_chr_add_handlers(s->chn[i].chr, serial_can_receive, |
621 |
serial_receive1, serial_event, &s->chn[i]); |
622 |
} |
623 |
} |
624 |
s->chn[0].otherchn = &s->chn[1]; |
625 |
s->chn[1].otherchn = &s->chn[0]; |
626 |
register_savevm("slavio_serial", base, 2, slavio_serial_save, slavio_serial_load, s); |
627 |
qemu_register_reset(slavio_serial_reset, s); |
628 |
slavio_serial_reset(s); |
629 |
return s;
|
630 |
} |
631 |
|
632 |
static const uint8_t keycodes[128] = { |
633 |
127, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 43, 53, |
634 |
54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 89, 76, 77, 78, |
635 |
79, 80, 81, 82, 83, 84, 85, 86, 87, 42, 99, 88, 100, 101, 102, 103, |
636 |
104, 105, 106, 107, 108, 109, 110, 47, 19, 121, 119, 5, 6, 8, 10, 12, |
637 |
14, 16, 17, 18, 7, 98, 23, 68, 69, 70, 71, 91, 92, 93, 125, 112, |
638 |
113, 114, 94, 50, 0, 0, 124, 9, 11, 0, 0, 0, 0, 0, 0, 0, |
639 |
90, 0, 46, 22, 13, 111, 52, 20, 96, 24, 28, 74, 27, 123, 44, 66, |
640 |
0, 45, 2, 4, 48, 0, 0, 21, 0, 0, 0, 0, 0, 120, 122, 67, |
641 |
}; |
642 |
|
643 |
static const uint8_t e0_keycodes[128] = { |
644 |
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
645 |
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 90, 76, 0, 0, |
646 |
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
647 |
0, 0, 0, 0, 0, 109, 0, 0, 13, 0, 0, 0, 0, 0, 0, 0, |
648 |
0, 0, 0, 0, 0, 0, 0, 68, 69, 70, 0, 91, 0, 93, 0, 112, |
649 |
113, 114, 94, 50, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
650 |
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
651 |
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
652 |
}; |
653 |
|
654 |
static void sunkbd_event(void *opaque, int ch) |
655 |
{ |
656 |
ChannelState *s = opaque; |
657 |
int release = ch & 0x80; |
658 |
|
659 |
KBD_DPRINTF("Untranslated keycode %2.2x (%s)\n", ch, release? "release" : "press"); |
660 |
switch (ch) {
|
661 |
case 58: // Caps lock press |
662 |
s->caps_lock_mode ^= 1;
|
663 |
if (s->caps_lock_mode == 2) |
664 |
return; // Drop second press |
665 |
break;
|
666 |
case 69: // Num lock press |
667 |
s->num_lock_mode ^= 1;
|
668 |
if (s->num_lock_mode == 2) |
669 |
return; // Drop second press |
670 |
break;
|
671 |
case 186: // Caps lock release |
672 |
s->caps_lock_mode ^= 2;
|
673 |
if (s->caps_lock_mode == 3) |
674 |
return; // Drop first release |
675 |
break;
|
676 |
case 197: // Num lock release |
677 |
s->num_lock_mode ^= 2;
|
678 |
if (s->num_lock_mode == 3) |
679 |
return; // Drop first release |
680 |
break;
|
681 |
case 0xe0: |
682 |
s->e0_mode = 1;
|
683 |
return;
|
684 |
default:
|
685 |
break;
|
686 |
} |
687 |
if (s->e0_mode) {
|
688 |
s->e0_mode = 0;
|
689 |
ch = e0_keycodes[ch & 0x7f];
|
690 |
} else {
|
691 |
ch = keycodes[ch & 0x7f];
|
692 |
} |
693 |
KBD_DPRINTF("Translated keycode %2.2x\n", ch);
|
694 |
put_queue(s, ch | release); |
695 |
} |
696 |
|
697 |
static void handle_kbd_command(ChannelState *s, int val) |
698 |
{ |
699 |
KBD_DPRINTF("Command %d\n", val);
|
700 |
if (s->led_mode) { // Ignore led byte |
701 |
s->led_mode = 0;
|
702 |
return;
|
703 |
} |
704 |
switch (val) {
|
705 |
case 1: // Reset, return type code |
706 |
clear_queue(s); |
707 |
put_queue(s, 0xff);
|
708 |
put_queue(s, 4); // Type 4 |
709 |
put_queue(s, 0x7f);
|
710 |
break;
|
711 |
case 0xe: // Set leds |
712 |
s->led_mode = 1;
|
713 |
break;
|
714 |
case 7: // Query layout |
715 |
case 0xf: |
716 |
clear_queue(s); |
717 |
put_queue(s, 0xfe);
|
718 |
put_queue(s, 0); // XXX, layout? |
719 |
break;
|
720 |
default:
|
721 |
break;
|
722 |
} |
723 |
} |
724 |
|
725 |
static void sunmouse_event(void *opaque, |
726 |
int dx, int dy, int dz, int buttons_state) |
727 |
{ |
728 |
ChannelState *s = opaque; |
729 |
int ch;
|
730 |
|
731 |
MS_DPRINTF("dx=%d dy=%d buttons=%01x\n", dx, dy, buttons_state);
|
732 |
|
733 |
ch = 0x80 | 0x7; /* protocol start byte, no buttons pressed */ |
734 |
|
735 |
if (buttons_state & MOUSE_EVENT_LBUTTON)
|
736 |
ch ^= 0x4;
|
737 |
if (buttons_state & MOUSE_EVENT_MBUTTON)
|
738 |
ch ^= 0x2;
|
739 |
if (buttons_state & MOUSE_EVENT_RBUTTON)
|
740 |
ch ^= 0x1;
|
741 |
|
742 |
put_queue(s, ch); |
743 |
|
744 |
ch = dx; |
745 |
|
746 |
if (ch > 127) |
747 |
ch=127;
|
748 |
else if (ch < -127) |
749 |
ch=-127;
|
750 |
|
751 |
put_queue(s, ch & 0xff);
|
752 |
|
753 |
ch = -dy; |
754 |
|
755 |
if (ch > 127) |
756 |
ch=127;
|
757 |
else if (ch < -127) |
758 |
ch=-127;
|
759 |
|
760 |
put_queue(s, ch & 0xff);
|
761 |
|
762 |
// MSC protocol specify two extra motion bytes
|
763 |
|
764 |
put_queue(s, 0);
|
765 |
put_queue(s, 0);
|
766 |
} |
767 |
|
768 |
void slavio_serial_ms_kbd_init(target_phys_addr_t base, qemu_irq irq)
|
769 |
{ |
770 |
int slavio_serial_io_memory, i;
|
771 |
SerialState *s; |
772 |
|
773 |
s = qemu_mallocz(sizeof(SerialState));
|
774 |
if (!s)
|
775 |
return;
|
776 |
for (i = 0; i < 2; i++) { |
777 |
s->chn[i].irq = irq; |
778 |
s->chn[i].chn = 1 - i;
|
779 |
s->chn[i].chr = NULL;
|
780 |
} |
781 |
s->chn[0].otherchn = &s->chn[1]; |
782 |
s->chn[1].otherchn = &s->chn[0]; |
783 |
s->chn[0].type = mouse;
|
784 |
s->chn[1].type = kbd;
|
785 |
|
786 |
slavio_serial_io_memory = cpu_register_io_memory(0, slavio_serial_mem_read, slavio_serial_mem_write, s);
|
787 |
cpu_register_physical_memory(base, SERIAL_SIZE, slavio_serial_io_memory); |
788 |
|
789 |
qemu_add_mouse_event_handler(sunmouse_event, &s->chn[0], 0, "QEMU Sun Mouse"); |
790 |
qemu_add_kbd_event_handler(sunkbd_event, &s->chn[1]);
|
791 |
register_savevm("slavio_serial_mouse", base, 2, slavio_serial_save, slavio_serial_load, s); |
792 |
qemu_register_reset(slavio_serial_reset, s); |
793 |
slavio_serial_reset(s); |
794 |
} |