root / hw / slavio_serial.c @ a062e36c
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1 | e80cfcfc | bellard | /*
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2 | e80cfcfc | bellard | * QEMU Sparc SLAVIO serial port emulation
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3 | 5fafdf24 | ths | *
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4 | 8be1f5c8 | bellard | * Copyright (c) 2003-2005 Fabrice Bellard
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5 | 5fafdf24 | ths | *
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6 | e80cfcfc | bellard | * Permission is hereby granted, free of charge, to any person obtaining a copy
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7 | e80cfcfc | bellard | * of this software and associated documentation files (the "Software"), to deal
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8 | e80cfcfc | bellard | * in the Software without restriction, including without limitation the rights
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9 | e80cfcfc | bellard | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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10 | e80cfcfc | bellard | * copies of the Software, and to permit persons to whom the Software is
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11 | e80cfcfc | bellard | * furnished to do so, subject to the following conditions:
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12 | e80cfcfc | bellard | *
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13 | e80cfcfc | bellard | * The above copyright notice and this permission notice shall be included in
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14 | e80cfcfc | bellard | * all copies or substantial portions of the Software.
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15 | e80cfcfc | bellard | *
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16 | e80cfcfc | bellard | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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17 | e80cfcfc | bellard | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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18 | e80cfcfc | bellard | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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19 | e80cfcfc | bellard | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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20 | e80cfcfc | bellard | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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21 | e80cfcfc | bellard | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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22 | e80cfcfc | bellard | * THE SOFTWARE.
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23 | e80cfcfc | bellard | */
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24 | e80cfcfc | bellard | #include "vl.h" |
25 | 8be1f5c8 | bellard | /* debug serial */
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26 | e80cfcfc | bellard | //#define DEBUG_SERIAL
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27 | e80cfcfc | bellard | |
28 | e80cfcfc | bellard | /* debug keyboard */
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29 | e80cfcfc | bellard | //#define DEBUG_KBD
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30 | e80cfcfc | bellard | |
31 | 8be1f5c8 | bellard | /* debug mouse */
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32 | e80cfcfc | bellard | //#define DEBUG_MOUSE
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33 | e80cfcfc | bellard | |
34 | e80cfcfc | bellard | /*
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35 | e80cfcfc | bellard | * This is the serial port, mouse and keyboard part of chip STP2001
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36 | e80cfcfc | bellard | * (Slave I/O), also produced as NCR89C105. See
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37 | e80cfcfc | bellard | * http://www.ibiblio.org/pub/historic-linux/early-ports/Sparc/NCR/NCR89C105.txt
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38 | 5fafdf24 | ths | *
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39 | e80cfcfc | bellard | * The serial ports implement full AMD AM8530 or Zilog Z8530 chips,
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40 | e80cfcfc | bellard | * mouse and keyboard ports don't implement all functions and they are
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41 | e80cfcfc | bellard | * only asynchronous. There is no DMA.
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42 | e80cfcfc | bellard | *
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43 | e80cfcfc | bellard | */
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44 | e80cfcfc | bellard | |
45 | 715748fa | bellard | /*
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46 | 715748fa | bellard | * Modifications:
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47 | 715748fa | bellard | * 2006-Aug-10 Igor Kovalenko : Renamed KBDQueue to SERIOQueue, implemented
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48 | 715748fa | bellard | * serial mouse queue.
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49 | 715748fa | bellard | * Implemented serial mouse protocol.
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50 | 715748fa | bellard | */
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51 | 715748fa | bellard | |
52 | 8be1f5c8 | bellard | #ifdef DEBUG_SERIAL
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53 | 8be1f5c8 | bellard | #define SER_DPRINTF(fmt, args...) \
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54 | 8be1f5c8 | bellard | do { printf("SER: " fmt , ##args); } while (0) |
55 | 8be1f5c8 | bellard | #else
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56 | 8be1f5c8 | bellard | #define SER_DPRINTF(fmt, args...)
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57 | 8be1f5c8 | bellard | #endif
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58 | 8be1f5c8 | bellard | #ifdef DEBUG_KBD
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59 | 8be1f5c8 | bellard | #define KBD_DPRINTF(fmt, args...) \
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60 | 8be1f5c8 | bellard | do { printf("KBD: " fmt , ##args); } while (0) |
61 | 8be1f5c8 | bellard | #else
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62 | 8be1f5c8 | bellard | #define KBD_DPRINTF(fmt, args...)
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63 | 8be1f5c8 | bellard | #endif
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64 | 8be1f5c8 | bellard | #ifdef DEBUG_MOUSE
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65 | 8be1f5c8 | bellard | #define MS_DPRINTF(fmt, args...) \
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66 | 715748fa | bellard | do { printf("MSC: " fmt , ##args); } while (0) |
67 | 8be1f5c8 | bellard | #else
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68 | 8be1f5c8 | bellard | #define MS_DPRINTF(fmt, args...)
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69 | 8be1f5c8 | bellard | #endif
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70 | 8be1f5c8 | bellard | |
71 | 8be1f5c8 | bellard | typedef enum { |
72 | 8be1f5c8 | bellard | chn_a, chn_b, |
73 | 8be1f5c8 | bellard | } chn_id_t; |
74 | 8be1f5c8 | bellard | |
75 | 35db099d | bellard | #define CHN_C(s) ((s)->chn == chn_b? 'b' : 'a') |
76 | 35db099d | bellard | |
77 | 8be1f5c8 | bellard | typedef enum { |
78 | 8be1f5c8 | bellard | ser, kbd, mouse, |
79 | 8be1f5c8 | bellard | } chn_type_t; |
80 | 8be1f5c8 | bellard | |
81 | 715748fa | bellard | #define SERIO_QUEUE_SIZE 256 |
82 | 8be1f5c8 | bellard | |
83 | 8be1f5c8 | bellard | typedef struct { |
84 | 715748fa | bellard | uint8_t data[SERIO_QUEUE_SIZE]; |
85 | 8be1f5c8 | bellard | int rptr, wptr, count;
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86 | 715748fa | bellard | } SERIOQueue; |
87 | 8be1f5c8 | bellard | |
88 | e80cfcfc | bellard | typedef struct ChannelState { |
89 | d537cf6c | pbrook | qemu_irq irq; |
90 | e80cfcfc | bellard | int reg;
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91 | e4a89056 | bellard | int rxint, txint, rxint_under_svc, txint_under_svc;
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92 | 8be1f5c8 | bellard | chn_id_t chn; // this channel, A (base+4) or B (base+0)
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93 | 8be1f5c8 | bellard | chn_type_t type; |
94 | 8be1f5c8 | bellard | struct ChannelState *otherchn;
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95 | e80cfcfc | bellard | uint8_t rx, tx, wregs[16], rregs[16]; |
96 | 715748fa | bellard | SERIOQueue queue; |
97 | e80cfcfc | bellard | CharDriverState *chr; |
98 | bbbb2f0a | blueswir1 | int e0_mode, led_mode, caps_lock_mode, num_lock_mode;
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99 | e80cfcfc | bellard | } ChannelState; |
100 | e80cfcfc | bellard | |
101 | e80cfcfc | bellard | struct SerialState {
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102 | e80cfcfc | bellard | struct ChannelState chn[2]; |
103 | e80cfcfc | bellard | }; |
104 | e80cfcfc | bellard | |
105 | e80cfcfc | bellard | #define SERIAL_MAXADDR 7 |
106 | 5aca8c3b | blueswir1 | #define SERIAL_SIZE (SERIAL_MAXADDR + 1) |
107 | e80cfcfc | bellard | |
108 | 8be1f5c8 | bellard | static void handle_kbd_command(ChannelState *s, int val); |
109 | 8be1f5c8 | bellard | static int serial_can_receive(void *opaque); |
110 | 8be1f5c8 | bellard | static void serial_receive_byte(ChannelState *s, int ch); |
111 | e4a89056 | bellard | static inline void set_txint(ChannelState *s); |
112 | 8be1f5c8 | bellard | |
113 | 67deb562 | blueswir1 | static void clear_queue(void *opaque) |
114 | 67deb562 | blueswir1 | { |
115 | 67deb562 | blueswir1 | ChannelState *s = opaque; |
116 | 67deb562 | blueswir1 | SERIOQueue *q = &s->queue; |
117 | 67deb562 | blueswir1 | q->rptr = q->wptr = q->count = 0;
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118 | 67deb562 | blueswir1 | } |
119 | 67deb562 | blueswir1 | |
120 | 8be1f5c8 | bellard | static void put_queue(void *opaque, int b) |
121 | 8be1f5c8 | bellard | { |
122 | 8be1f5c8 | bellard | ChannelState *s = opaque; |
123 | 715748fa | bellard | SERIOQueue *q = &s->queue; |
124 | 8be1f5c8 | bellard | |
125 | 35db099d | bellard | SER_DPRINTF("channel %c put: 0x%02x\n", CHN_C(s), b);
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126 | 715748fa | bellard | if (q->count >= SERIO_QUEUE_SIZE)
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127 | 8be1f5c8 | bellard | return;
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128 | 8be1f5c8 | bellard | q->data[q->wptr] = b; |
129 | 715748fa | bellard | if (++q->wptr == SERIO_QUEUE_SIZE)
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130 | 8be1f5c8 | bellard | q->wptr = 0;
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131 | 8be1f5c8 | bellard | q->count++; |
132 | 8be1f5c8 | bellard | serial_receive_byte(s, 0);
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133 | 8be1f5c8 | bellard | } |
134 | 8be1f5c8 | bellard | |
135 | 8be1f5c8 | bellard | static uint32_t get_queue(void *opaque) |
136 | 8be1f5c8 | bellard | { |
137 | 8be1f5c8 | bellard | ChannelState *s = opaque; |
138 | 715748fa | bellard | SERIOQueue *q = &s->queue; |
139 | 8be1f5c8 | bellard | int val;
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140 | 3b46e624 | ths | |
141 | 8be1f5c8 | bellard | if (q->count == 0) { |
142 | 8be1f5c8 | bellard | return 0; |
143 | 8be1f5c8 | bellard | } else {
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144 | 8be1f5c8 | bellard | val = q->data[q->rptr]; |
145 | 715748fa | bellard | if (++q->rptr == SERIO_QUEUE_SIZE)
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146 | 8be1f5c8 | bellard | q->rptr = 0;
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147 | 8be1f5c8 | bellard | q->count--; |
148 | 8be1f5c8 | bellard | } |
149 | 67deb562 | blueswir1 | SER_DPRINTF("channel %c get 0x%02x\n", CHN_C(s), val);
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150 | 8be1f5c8 | bellard | if (q->count > 0) |
151 | 8be1f5c8 | bellard | serial_receive_byte(s, 0);
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152 | 8be1f5c8 | bellard | return val;
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153 | 8be1f5c8 | bellard | } |
154 | 8be1f5c8 | bellard | |
155 | e4a89056 | bellard | static int slavio_serial_update_irq_chn(ChannelState *s) |
156 | e80cfcfc | bellard | { |
157 | e80cfcfc | bellard | if ((s->wregs[1] & 1) && // interrupts enabled |
158 | e80cfcfc | bellard | (((s->wregs[1] & 2) && s->txint == 1) || // tx ints enabled, pending |
159 | e80cfcfc | bellard | ((((s->wregs[1] & 0x18) == 8) || ((s->wregs[1] & 0x18) == 0x10)) && |
160 | e80cfcfc | bellard | s->rxint == 1) || // rx ints enabled, pending |
161 | e80cfcfc | bellard | ((s->wregs[15] & 0x80) && (s->rregs[0] & 0x80)))) { // break int e&p |
162 | e4a89056 | bellard | return 1; |
163 | e80cfcfc | bellard | } |
164 | e4a89056 | bellard | return 0; |
165 | e4a89056 | bellard | } |
166 | e4a89056 | bellard | |
167 | e4a89056 | bellard | static void slavio_serial_update_irq(ChannelState *s) |
168 | e4a89056 | bellard | { |
169 | e4a89056 | bellard | int irq;
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170 | e4a89056 | bellard | |
171 | e4a89056 | bellard | irq = slavio_serial_update_irq_chn(s); |
172 | e4a89056 | bellard | irq |= slavio_serial_update_irq_chn(s->otherchn); |
173 | e4a89056 | bellard | |
174 | d537cf6c | pbrook | SER_DPRINTF("IRQ = %d\n", irq);
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175 | d537cf6c | pbrook | qemu_set_irq(s->irq, irq); |
176 | e80cfcfc | bellard | } |
177 | e80cfcfc | bellard | |
178 | e80cfcfc | bellard | static void slavio_serial_reset_chn(ChannelState *s) |
179 | e80cfcfc | bellard | { |
180 | e80cfcfc | bellard | int i;
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181 | e80cfcfc | bellard | |
182 | e80cfcfc | bellard | s->reg = 0;
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183 | 5aca8c3b | blueswir1 | for (i = 0; i < SERIAL_SIZE; i++) { |
184 | e80cfcfc | bellard | s->rregs[i] = 0;
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185 | e80cfcfc | bellard | s->wregs[i] = 0;
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186 | e80cfcfc | bellard | } |
187 | e80cfcfc | bellard | s->wregs[4] = 4; |
188 | e80cfcfc | bellard | s->wregs[9] = 0xc0; |
189 | e80cfcfc | bellard | s->wregs[11] = 8; |
190 | e80cfcfc | bellard | s->wregs[14] = 0x30; |
191 | e80cfcfc | bellard | s->wregs[15] = 0xf8; |
192 | e80cfcfc | bellard | s->rregs[0] = 0x44; |
193 | e80cfcfc | bellard | s->rregs[1] = 6; |
194 | e80cfcfc | bellard | |
195 | e80cfcfc | bellard | s->rx = s->tx = 0;
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196 | e80cfcfc | bellard | s->rxint = s->txint = 0;
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197 | e4a89056 | bellard | s->rxint_under_svc = s->txint_under_svc = 0;
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198 | bbbb2f0a | blueswir1 | s->e0_mode = s->led_mode = s->caps_lock_mode = s->num_lock_mode = 0;
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199 | 67deb562 | blueswir1 | clear_queue(s); |
200 | e80cfcfc | bellard | } |
201 | e80cfcfc | bellard | |
202 | e80cfcfc | bellard | static void slavio_serial_reset(void *opaque) |
203 | e80cfcfc | bellard | { |
204 | e80cfcfc | bellard | SerialState *s = opaque; |
205 | e80cfcfc | bellard | slavio_serial_reset_chn(&s->chn[0]);
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206 | e80cfcfc | bellard | slavio_serial_reset_chn(&s->chn[1]);
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207 | e80cfcfc | bellard | } |
208 | e80cfcfc | bellard | |
209 | ba3c64fb | bellard | static inline void clr_rxint(ChannelState *s) |
210 | ba3c64fb | bellard | { |
211 | ba3c64fb | bellard | s->rxint = 0;
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212 | e4a89056 | bellard | s->rxint_under_svc = 0;
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213 | 67deb562 | blueswir1 | if (s->chn == chn_a) {
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214 | 67deb562 | blueswir1 | if (s->wregs[9] & 0x10) |
215 | 67deb562 | blueswir1 | s->otherchn->rregs[2] = 0x60; |
216 | 67deb562 | blueswir1 | else
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217 | 67deb562 | blueswir1 | s->otherchn->rregs[2] = 0x06; |
218 | ba3c64fb | bellard | s->rregs[3] &= ~0x20; |
219 | 67deb562 | blueswir1 | } else {
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220 | 67deb562 | blueswir1 | if (s->wregs[9] & 0x10) |
221 | 67deb562 | blueswir1 | s->rregs[2] = 0x60; |
222 | 67deb562 | blueswir1 | else
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223 | 67deb562 | blueswir1 | s->rregs[2] = 0x06; |
224 | ba3c64fb | bellard | s->otherchn->rregs[3] &= ~4; |
225 | 67deb562 | blueswir1 | } |
226 | e4a89056 | bellard | if (s->txint)
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227 | e4a89056 | bellard | set_txint(s); |
228 | ba3c64fb | bellard | slavio_serial_update_irq(s); |
229 | ba3c64fb | bellard | } |
230 | ba3c64fb | bellard | |
231 | ba3c64fb | bellard | static inline void set_rxint(ChannelState *s) |
232 | ba3c64fb | bellard | { |
233 | ba3c64fb | bellard | s->rxint = 1;
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234 | e4a89056 | bellard | if (!s->txint_under_svc) {
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235 | e4a89056 | bellard | s->rxint_under_svc = 1;
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236 | 67deb562 | blueswir1 | if (s->chn == chn_a) {
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237 | 67deb562 | blueswir1 | if (s->wregs[9] & 0x10) |
238 | 67deb562 | blueswir1 | s->otherchn->rregs[2] = 0x30; |
239 | 67deb562 | blueswir1 | else
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240 | 67deb562 | blueswir1 | s->otherchn->rregs[2] = 0x0c; |
241 | 67deb562 | blueswir1 | } else {
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242 | 67deb562 | blueswir1 | if (s->wregs[9] & 0x10) |
243 | 67deb562 | blueswir1 | s->rregs[2] = 0x20; |
244 | 67deb562 | blueswir1 | else
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245 | 67deb562 | blueswir1 | s->rregs[2] = 0x04; |
246 | 67deb562 | blueswir1 | } |
247 | ba3c64fb | bellard | } |
248 | b9652ca3 | blueswir1 | if (s->chn == chn_a)
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249 | b9652ca3 | blueswir1 | s->rregs[3] |= 0x20; |
250 | b9652ca3 | blueswir1 | else
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251 | b9652ca3 | blueswir1 | s->otherchn->rregs[3] |= 4; |
252 | b9652ca3 | blueswir1 | slavio_serial_update_irq(s); |
253 | ba3c64fb | bellard | } |
254 | ba3c64fb | bellard | |
255 | ba3c64fb | bellard | static inline void clr_txint(ChannelState *s) |
256 | ba3c64fb | bellard | { |
257 | ba3c64fb | bellard | s->txint = 0;
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258 | e4a89056 | bellard | s->txint_under_svc = 0;
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259 | b9652ca3 | blueswir1 | if (s->chn == chn_a) {
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260 | b9652ca3 | blueswir1 | if (s->wregs[9] & 0x10) |
261 | b9652ca3 | blueswir1 | s->otherchn->rregs[2] = 0x60; |
262 | b9652ca3 | blueswir1 | else
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263 | b9652ca3 | blueswir1 | s->otherchn->rregs[2] = 0x06; |
264 | ba3c64fb | bellard | s->rregs[3] &= ~0x10; |
265 | b9652ca3 | blueswir1 | } else {
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266 | b9652ca3 | blueswir1 | if (s->wregs[9] & 0x10) |
267 | b9652ca3 | blueswir1 | s->rregs[2] = 0x60; |
268 | b9652ca3 | blueswir1 | else
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269 | b9652ca3 | blueswir1 | s->rregs[2] = 0x06; |
270 | ba3c64fb | bellard | s->otherchn->rregs[3] &= ~2; |
271 | b9652ca3 | blueswir1 | } |
272 | e4a89056 | bellard | if (s->rxint)
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273 | e4a89056 | bellard | set_rxint(s); |
274 | ba3c64fb | bellard | slavio_serial_update_irq(s); |
275 | ba3c64fb | bellard | } |
276 | ba3c64fb | bellard | |
277 | ba3c64fb | bellard | static inline void set_txint(ChannelState *s) |
278 | ba3c64fb | bellard | { |
279 | ba3c64fb | bellard | s->txint = 1;
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280 | e4a89056 | bellard | if (!s->rxint_under_svc) {
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281 | e4a89056 | bellard | s->txint_under_svc = 1;
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282 | b9652ca3 | blueswir1 | if (s->chn == chn_a) {
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283 | b9652ca3 | blueswir1 | if (s->wregs[9] & 0x10) |
284 | b9652ca3 | blueswir1 | s->otherchn->rregs[2] = 0x10; |
285 | b9652ca3 | blueswir1 | else
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286 | b9652ca3 | blueswir1 | s->otherchn->rregs[2] = 0x08; |
287 | b9652ca3 | blueswir1 | } else {
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288 | b9652ca3 | blueswir1 | s->rregs[2] = 0; |
289 | b9652ca3 | blueswir1 | } |
290 | ba3c64fb | bellard | } |
291 | b9652ca3 | blueswir1 | if (s->chn == chn_a)
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292 | b9652ca3 | blueswir1 | s->rregs[3] |= 0x10; |
293 | b9652ca3 | blueswir1 | else
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294 | b9652ca3 | blueswir1 | s->otherchn->rregs[3] |= 2; |
295 | b9652ca3 | blueswir1 | slavio_serial_update_irq(s); |
296 | ba3c64fb | bellard | } |
297 | ba3c64fb | bellard | |
298 | 35db099d | bellard | static void slavio_serial_update_parameters(ChannelState *s) |
299 | 35db099d | bellard | { |
300 | 35db099d | bellard | int speed, parity, data_bits, stop_bits;
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301 | 35db099d | bellard | QEMUSerialSetParams ssp; |
302 | 35db099d | bellard | |
303 | 35db099d | bellard | if (!s->chr || s->type != ser)
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304 | 35db099d | bellard | return;
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305 | 35db099d | bellard | |
306 | 35db099d | bellard | if (s->wregs[4] & 1) { |
307 | 35db099d | bellard | if (s->wregs[4] & 2) |
308 | 35db099d | bellard | parity = 'E';
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309 | 35db099d | bellard | else
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310 | 35db099d | bellard | parity = 'O';
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311 | 35db099d | bellard | } else {
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312 | 35db099d | bellard | parity = 'N';
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313 | 35db099d | bellard | } |
314 | 35db099d | bellard | if ((s->wregs[4] & 0x0c) == 0x0c) |
315 | 35db099d | bellard | stop_bits = 2;
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316 | 35db099d | bellard | else
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317 | 35db099d | bellard | stop_bits = 1;
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318 | 35db099d | bellard | switch (s->wregs[5] & 0x60) { |
319 | 35db099d | bellard | case 0x00: |
320 | 35db099d | bellard | data_bits = 5;
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321 | 35db099d | bellard | break;
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322 | 35db099d | bellard | case 0x20: |
323 | 35db099d | bellard | data_bits = 7;
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324 | 35db099d | bellard | break;
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325 | 35db099d | bellard | case 0x40: |
326 | 35db099d | bellard | data_bits = 6;
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327 | 35db099d | bellard | break;
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328 | 35db099d | bellard | default:
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329 | 35db099d | bellard | case 0x60: |
330 | 35db099d | bellard | data_bits = 8;
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331 | 35db099d | bellard | break;
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332 | 35db099d | bellard | } |
333 | 35db099d | bellard | speed = 2457600 / ((s->wregs[12] | (s->wregs[13] << 8)) + 2); |
334 | 35db099d | bellard | switch (s->wregs[4] & 0xc0) { |
335 | 35db099d | bellard | case 0x00: |
336 | 35db099d | bellard | break;
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337 | 35db099d | bellard | case 0x40: |
338 | 35db099d | bellard | speed /= 16;
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339 | 35db099d | bellard | break;
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340 | 35db099d | bellard | case 0x80: |
341 | 35db099d | bellard | speed /= 32;
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342 | 35db099d | bellard | break;
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343 | 35db099d | bellard | default:
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344 | 35db099d | bellard | case 0xc0: |
345 | 35db099d | bellard | speed /= 64;
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346 | 35db099d | bellard | break;
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347 | 35db099d | bellard | } |
348 | 35db099d | bellard | ssp.speed = speed; |
349 | 35db099d | bellard | ssp.parity = parity; |
350 | 35db099d | bellard | ssp.data_bits = data_bits; |
351 | 35db099d | bellard | ssp.stop_bits = stop_bits; |
352 | 35db099d | bellard | SER_DPRINTF("channel %c: speed=%d parity=%c data=%d stop=%d\n", CHN_C(s),
|
353 | 35db099d | bellard | speed, parity, data_bits, stop_bits); |
354 | 35db099d | bellard | qemu_chr_ioctl(s->chr, CHR_IOCTL_SERIAL_SET_PARAMS, &ssp); |
355 | 35db099d | bellard | } |
356 | 35db099d | bellard | |
357 | 3a5c3138 | bellard | static void slavio_serial_mem_writeb(void *opaque, target_phys_addr_t addr, uint32_t val) |
358 | e80cfcfc | bellard | { |
359 | b3ceef24 | blueswir1 | SerialState *serial = opaque; |
360 | e80cfcfc | bellard | ChannelState *s; |
361 | e80cfcfc | bellard | uint32_t saddr; |
362 | e80cfcfc | bellard | int newreg, channel;
|
363 | e80cfcfc | bellard | |
364 | e80cfcfc | bellard | val &= 0xff;
|
365 | e80cfcfc | bellard | saddr = (addr & 3) >> 1; |
366 | e80cfcfc | bellard | channel = (addr & SERIAL_MAXADDR) >> 2;
|
367 | b3ceef24 | blueswir1 | s = &serial->chn[channel]; |
368 | e80cfcfc | bellard | switch (saddr) {
|
369 | e80cfcfc | bellard | case 0: |
370 | 35db099d | bellard | SER_DPRINTF("Write channel %c, reg[%d] = %2.2x\n", CHN_C(s), s->reg, val & 0xff); |
371 | e80cfcfc | bellard | newreg = 0;
|
372 | e80cfcfc | bellard | switch (s->reg) {
|
373 | e80cfcfc | bellard | case 0: |
374 | e80cfcfc | bellard | newreg = val & 7;
|
375 | e80cfcfc | bellard | val &= 0x38;
|
376 | e80cfcfc | bellard | switch (val) {
|
377 | e80cfcfc | bellard | case 8: |
378 | f69a8695 | bellard | newreg |= 0x8;
|
379 | e80cfcfc | bellard | break;
|
380 | e80cfcfc | bellard | case 0x28: |
381 | ba3c64fb | bellard | clr_txint(s); |
382 | ba3c64fb | bellard | break;
|
383 | ba3c64fb | bellard | case 0x38: |
384 | e4a89056 | bellard | if (s->rxint_under_svc)
|
385 | e4a89056 | bellard | clr_rxint(s); |
386 | e4a89056 | bellard | else if (s->txint_under_svc) |
387 | e4a89056 | bellard | clr_txint(s); |
388 | e80cfcfc | bellard | break;
|
389 | e80cfcfc | bellard | default:
|
390 | e80cfcfc | bellard | break;
|
391 | e80cfcfc | bellard | } |
392 | e80cfcfc | bellard | break;
|
393 | 35db099d | bellard | case 1 ... 3: |
394 | 35db099d | bellard | case 6 ... 8: |
395 | 35db099d | bellard | case 10 ... 11: |
396 | 35db099d | bellard | case 14 ... 15: |
397 | 35db099d | bellard | s->wregs[s->reg] = val; |
398 | 35db099d | bellard | break;
|
399 | 35db099d | bellard | case 4: |
400 | 35db099d | bellard | case 5: |
401 | 35db099d | bellard | case 12: |
402 | 35db099d | bellard | case 13: |
403 | e80cfcfc | bellard | s->wregs[s->reg] = val; |
404 | 35db099d | bellard | slavio_serial_update_parameters(s); |
405 | e80cfcfc | bellard | break;
|
406 | e80cfcfc | bellard | case 9: |
407 | e80cfcfc | bellard | switch (val & 0xc0) { |
408 | e80cfcfc | bellard | case 0: |
409 | e80cfcfc | bellard | default:
|
410 | e80cfcfc | bellard | break;
|
411 | e80cfcfc | bellard | case 0x40: |
412 | b3ceef24 | blueswir1 | slavio_serial_reset_chn(&serial->chn[1]);
|
413 | e80cfcfc | bellard | return;
|
414 | e80cfcfc | bellard | case 0x80: |
415 | b3ceef24 | blueswir1 | slavio_serial_reset_chn(&serial->chn[0]);
|
416 | e80cfcfc | bellard | return;
|
417 | e80cfcfc | bellard | case 0xc0: |
418 | b3ceef24 | blueswir1 | slavio_serial_reset(serial); |
419 | e80cfcfc | bellard | return;
|
420 | e80cfcfc | bellard | } |
421 | e80cfcfc | bellard | break;
|
422 | e80cfcfc | bellard | default:
|
423 | e80cfcfc | bellard | break;
|
424 | e80cfcfc | bellard | } |
425 | e80cfcfc | bellard | if (s->reg == 0) |
426 | e80cfcfc | bellard | s->reg = newreg; |
427 | e80cfcfc | bellard | else
|
428 | e80cfcfc | bellard | s->reg = 0;
|
429 | e80cfcfc | bellard | break;
|
430 | e80cfcfc | bellard | case 1: |
431 | 35db099d | bellard | SER_DPRINTF("Write channel %c, ch %d\n", CHN_C(s), val);
|
432 | 96c4f569 | blueswir1 | s->tx = val; |
433 | e80cfcfc | bellard | if (s->wregs[5] & 8) { // tx enabled |
434 | e80cfcfc | bellard | if (s->chr)
|
435 | e80cfcfc | bellard | qemu_chr_write(s->chr, &s->tx, 1);
|
436 | 8be1f5c8 | bellard | else if (s->type == kbd) { |
437 | 8be1f5c8 | bellard | handle_kbd_command(s, val); |
438 | 8be1f5c8 | bellard | } |
439 | e80cfcfc | bellard | } |
440 | 96c4f569 | blueswir1 | s->rregs[0] |= 4; // Tx buffer empty |
441 | 96c4f569 | blueswir1 | s->rregs[1] |= 1; // All sent |
442 | 96c4f569 | blueswir1 | set_txint(s); |
443 | e80cfcfc | bellard | break;
|
444 | e80cfcfc | bellard | default:
|
445 | e80cfcfc | bellard | break;
|
446 | e80cfcfc | bellard | } |
447 | e80cfcfc | bellard | } |
448 | e80cfcfc | bellard | |
449 | 3a5c3138 | bellard | static uint32_t slavio_serial_mem_readb(void *opaque, target_phys_addr_t addr) |
450 | e80cfcfc | bellard | { |
451 | b3ceef24 | blueswir1 | SerialState *serial = opaque; |
452 | e80cfcfc | bellard | ChannelState *s; |
453 | e80cfcfc | bellard | uint32_t saddr; |
454 | e80cfcfc | bellard | uint32_t ret; |
455 | e80cfcfc | bellard | int channel;
|
456 | e80cfcfc | bellard | |
457 | e80cfcfc | bellard | saddr = (addr & 3) >> 1; |
458 | e80cfcfc | bellard | channel = (addr & SERIAL_MAXADDR) >> 2;
|
459 | b3ceef24 | blueswir1 | s = &serial->chn[channel]; |
460 | e80cfcfc | bellard | switch (saddr) {
|
461 | e80cfcfc | bellard | case 0: |
462 | 35db099d | bellard | SER_DPRINTF("Read channel %c, reg[%d] = %2.2x\n", CHN_C(s), s->reg, s->rregs[s->reg]);
|
463 | e80cfcfc | bellard | ret = s->rregs[s->reg]; |
464 | e80cfcfc | bellard | s->reg = 0;
|
465 | e80cfcfc | bellard | return ret;
|
466 | e80cfcfc | bellard | case 1: |
467 | e80cfcfc | bellard | s->rregs[0] &= ~1; |
468 | ba3c64fb | bellard | clr_rxint(s); |
469 | 715748fa | bellard | if (s->type == kbd || s->type == mouse)
|
470 | 8be1f5c8 | bellard | ret = get_queue(s); |
471 | 8be1f5c8 | bellard | else
|
472 | 8be1f5c8 | bellard | ret = s->rx; |
473 | 35db099d | bellard | SER_DPRINTF("Read channel %c, ch %d\n", CHN_C(s), ret);
|
474 | 8be1f5c8 | bellard | return ret;
|
475 | e80cfcfc | bellard | default:
|
476 | e80cfcfc | bellard | break;
|
477 | e80cfcfc | bellard | } |
478 | e80cfcfc | bellard | return 0; |
479 | e80cfcfc | bellard | } |
480 | e80cfcfc | bellard | |
481 | e80cfcfc | bellard | static int serial_can_receive(void *opaque) |
482 | e80cfcfc | bellard | { |
483 | e80cfcfc | bellard | ChannelState *s = opaque; |
484 | e4a89056 | bellard | int ret;
|
485 | e4a89056 | bellard | |
486 | e80cfcfc | bellard | if (((s->wregs[3] & 1) == 0) // Rx not enabled |
487 | e80cfcfc | bellard | || ((s->rregs[0] & 1) == 1)) // char already available |
488 | e4a89056 | bellard | ret = 0;
|
489 | e80cfcfc | bellard | else
|
490 | e4a89056 | bellard | ret = 1;
|
491 | 35db099d | bellard | //SER_DPRINTF("channel %c can receive %d\n", CHN_C(s), ret);
|
492 | e4a89056 | bellard | return ret;
|
493 | e80cfcfc | bellard | } |
494 | e80cfcfc | bellard | |
495 | e80cfcfc | bellard | static void serial_receive_byte(ChannelState *s, int ch) |
496 | e80cfcfc | bellard | { |
497 | 35db099d | bellard | SER_DPRINTF("channel %c put ch %d\n", CHN_C(s), ch);
|
498 | e80cfcfc | bellard | s->rregs[0] |= 1; |
499 | e80cfcfc | bellard | s->rx = ch; |
500 | ba3c64fb | bellard | set_rxint(s); |
501 | e80cfcfc | bellard | } |
502 | e80cfcfc | bellard | |
503 | e80cfcfc | bellard | static void serial_receive_break(ChannelState *s) |
504 | e80cfcfc | bellard | { |
505 | e80cfcfc | bellard | s->rregs[0] |= 0x80; |
506 | e80cfcfc | bellard | slavio_serial_update_irq(s); |
507 | e80cfcfc | bellard | } |
508 | e80cfcfc | bellard | |
509 | e80cfcfc | bellard | static void serial_receive1(void *opaque, const uint8_t *buf, int size) |
510 | e80cfcfc | bellard | { |
511 | e80cfcfc | bellard | ChannelState *s = opaque; |
512 | e80cfcfc | bellard | serial_receive_byte(s, buf[0]);
|
513 | e80cfcfc | bellard | } |
514 | e80cfcfc | bellard | |
515 | e80cfcfc | bellard | static void serial_event(void *opaque, int event) |
516 | e80cfcfc | bellard | { |
517 | e80cfcfc | bellard | ChannelState *s = opaque; |
518 | e80cfcfc | bellard | if (event == CHR_EVENT_BREAK)
|
519 | e80cfcfc | bellard | serial_receive_break(s); |
520 | e80cfcfc | bellard | } |
521 | e80cfcfc | bellard | |
522 | e80cfcfc | bellard | static CPUReadMemoryFunc *slavio_serial_mem_read[3] = { |
523 | e80cfcfc | bellard | slavio_serial_mem_readb, |
524 | e80cfcfc | bellard | slavio_serial_mem_readb, |
525 | e80cfcfc | bellard | slavio_serial_mem_readb, |
526 | e80cfcfc | bellard | }; |
527 | e80cfcfc | bellard | |
528 | e80cfcfc | bellard | static CPUWriteMemoryFunc *slavio_serial_mem_write[3] = { |
529 | e80cfcfc | bellard | slavio_serial_mem_writeb, |
530 | e80cfcfc | bellard | slavio_serial_mem_writeb, |
531 | e80cfcfc | bellard | slavio_serial_mem_writeb, |
532 | e80cfcfc | bellard | }; |
533 | e80cfcfc | bellard | |
534 | e80cfcfc | bellard | static void slavio_serial_save_chn(QEMUFile *f, ChannelState *s) |
535 | e80cfcfc | bellard | { |
536 | d537cf6c | pbrook | int tmp;
|
537 | d537cf6c | pbrook | tmp = 0;
|
538 | d537cf6c | pbrook | qemu_put_be32s(f, &tmp); /* unused, was IRQ. */
|
539 | e80cfcfc | bellard | qemu_put_be32s(f, &s->reg); |
540 | e80cfcfc | bellard | qemu_put_be32s(f, &s->rxint); |
541 | e80cfcfc | bellard | qemu_put_be32s(f, &s->txint); |
542 | e4a89056 | bellard | qemu_put_be32s(f, &s->rxint_under_svc); |
543 | e4a89056 | bellard | qemu_put_be32s(f, &s->txint_under_svc); |
544 | e80cfcfc | bellard | qemu_put_8s(f, &s->rx); |
545 | e80cfcfc | bellard | qemu_put_8s(f, &s->tx); |
546 | e80cfcfc | bellard | qemu_put_buffer(f, s->wregs, 16);
|
547 | e80cfcfc | bellard | qemu_put_buffer(f, s->rregs, 16);
|
548 | e80cfcfc | bellard | } |
549 | e80cfcfc | bellard | |
550 | e80cfcfc | bellard | static void slavio_serial_save(QEMUFile *f, void *opaque) |
551 | e80cfcfc | bellard | { |
552 | e80cfcfc | bellard | SerialState *s = opaque; |
553 | e80cfcfc | bellard | |
554 | e80cfcfc | bellard | slavio_serial_save_chn(f, &s->chn[0]);
|
555 | e80cfcfc | bellard | slavio_serial_save_chn(f, &s->chn[1]);
|
556 | e80cfcfc | bellard | } |
557 | e80cfcfc | bellard | |
558 | e80cfcfc | bellard | static int slavio_serial_load_chn(QEMUFile *f, ChannelState *s, int version_id) |
559 | e80cfcfc | bellard | { |
560 | d537cf6c | pbrook | int tmp;
|
561 | d537cf6c | pbrook | |
562 | e4a89056 | bellard | if (version_id > 2) |
563 | e80cfcfc | bellard | return -EINVAL;
|
564 | e80cfcfc | bellard | |
565 | d537cf6c | pbrook | qemu_get_be32s(f, &tmp); /* unused */
|
566 | e80cfcfc | bellard | qemu_get_be32s(f, &s->reg); |
567 | e80cfcfc | bellard | qemu_get_be32s(f, &s->rxint); |
568 | e80cfcfc | bellard | qemu_get_be32s(f, &s->txint); |
569 | e4a89056 | bellard | if (version_id >= 2) { |
570 | e4a89056 | bellard | qemu_get_be32s(f, &s->rxint_under_svc); |
571 | e4a89056 | bellard | qemu_get_be32s(f, &s->txint_under_svc); |
572 | e4a89056 | bellard | } |
573 | e80cfcfc | bellard | qemu_get_8s(f, &s->rx); |
574 | e80cfcfc | bellard | qemu_get_8s(f, &s->tx); |
575 | e80cfcfc | bellard | qemu_get_buffer(f, s->wregs, 16);
|
576 | e80cfcfc | bellard | qemu_get_buffer(f, s->rregs, 16);
|
577 | e80cfcfc | bellard | return 0; |
578 | e80cfcfc | bellard | } |
579 | e80cfcfc | bellard | |
580 | e80cfcfc | bellard | static int slavio_serial_load(QEMUFile *f, void *opaque, int version_id) |
581 | e80cfcfc | bellard | { |
582 | e80cfcfc | bellard | SerialState *s = opaque; |
583 | e80cfcfc | bellard | int ret;
|
584 | e80cfcfc | bellard | |
585 | e80cfcfc | bellard | ret = slavio_serial_load_chn(f, &s->chn[0], version_id);
|
586 | e80cfcfc | bellard | if (ret != 0) |
587 | e80cfcfc | bellard | return ret;
|
588 | e80cfcfc | bellard | ret = slavio_serial_load_chn(f, &s->chn[1], version_id);
|
589 | e80cfcfc | bellard | return ret;
|
590 | e80cfcfc | bellard | |
591 | e80cfcfc | bellard | } |
592 | e80cfcfc | bellard | |
593 | 5dcb6b91 | blueswir1 | SerialState *slavio_serial_init(target_phys_addr_t base, qemu_irq irq, |
594 | 5dcb6b91 | blueswir1 | CharDriverState *chr1, CharDriverState *chr2) |
595 | e80cfcfc | bellard | { |
596 | 8be1f5c8 | bellard | int slavio_serial_io_memory, i;
|
597 | e80cfcfc | bellard | SerialState *s; |
598 | e80cfcfc | bellard | |
599 | e80cfcfc | bellard | s = qemu_mallocz(sizeof(SerialState));
|
600 | e80cfcfc | bellard | if (!s)
|
601 | e80cfcfc | bellard | return NULL; |
602 | e80cfcfc | bellard | |
603 | e80cfcfc | bellard | slavio_serial_io_memory = cpu_register_io_memory(0, slavio_serial_mem_read, slavio_serial_mem_write, s);
|
604 | 5aca8c3b | blueswir1 | cpu_register_physical_memory(base, SERIAL_SIZE, slavio_serial_io_memory); |
605 | e80cfcfc | bellard | |
606 | 8be1f5c8 | bellard | s->chn[0].chr = chr1;
|
607 | 8be1f5c8 | bellard | s->chn[1].chr = chr2;
|
608 | 8be1f5c8 | bellard | |
609 | 8be1f5c8 | bellard | for (i = 0; i < 2; i++) { |
610 | 8be1f5c8 | bellard | s->chn[i].irq = irq; |
611 | 8be1f5c8 | bellard | s->chn[i].chn = 1 - i;
|
612 | 8be1f5c8 | bellard | s->chn[i].type = ser; |
613 | 8be1f5c8 | bellard | if (s->chn[i].chr) {
|
614 | e5b0bc44 | pbrook | qemu_chr_add_handlers(s->chn[i].chr, serial_can_receive, |
615 | e5b0bc44 | pbrook | serial_receive1, serial_event, &s->chn[i]); |
616 | 8be1f5c8 | bellard | } |
617 | e80cfcfc | bellard | } |
618 | 8be1f5c8 | bellard | s->chn[0].otherchn = &s->chn[1]; |
619 | 8be1f5c8 | bellard | s->chn[1].otherchn = &s->chn[0]; |
620 | e4a89056 | bellard | register_savevm("slavio_serial", base, 2, slavio_serial_save, slavio_serial_load, s); |
621 | e80cfcfc | bellard | qemu_register_reset(slavio_serial_reset, s); |
622 | e80cfcfc | bellard | slavio_serial_reset(s); |
623 | e80cfcfc | bellard | return s;
|
624 | e80cfcfc | bellard | } |
625 | e80cfcfc | bellard | |
626 | 8be1f5c8 | bellard | static const uint8_t keycodes[128] = { |
627 | 8be1f5c8 | bellard | 127, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 43, 53, |
628 | 8be1f5c8 | bellard | 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 89, 76, 77, 78, |
629 | 8be1f5c8 | bellard | 79, 80, 81, 82, 83, 84, 85, 86, 87, 42, 99, 88, 100, 101, 102, 103, |
630 | 8be1f5c8 | bellard | 104, 105, 106, 107, 108, 109, 110, 47, 19, 121, 119, 5, 6, 8, 10, 12, |
631 | 8be1f5c8 | bellard | 14, 16, 17, 18, 7, 98, 23, 68, 69, 70, 71, 91, 92, 93, 125, 112, |
632 | 8be1f5c8 | bellard | 113, 114, 94, 50, 0, 0, 124, 9, 11, 0, 0, 0, 0, 0, 0, 0, |
633 | 8be1f5c8 | bellard | 90, 0, 46, 22, 13, 111, 52, 20, 96, 24, 28, 74, 27, 123, 44, 66, |
634 | 8be1f5c8 | bellard | 0, 45, 2, 4, 48, 0, 0, 21, 0, 0, 0, 0, 0, 120, 122, 67, |
635 | 8be1f5c8 | bellard | }; |
636 | 8be1f5c8 | bellard | |
637 | 43febf49 | blueswir1 | static const uint8_t e0_keycodes[128] = { |
638 | 43febf49 | blueswir1 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
639 | 43febf49 | blueswir1 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 90, 76, 0, 0, |
640 | 43febf49 | blueswir1 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
641 | 43febf49 | blueswir1 | 0, 0, 0, 0, 0, 109, 0, 0, 13, 0, 0, 0, 0, 0, 0, 0, |
642 | 43febf49 | blueswir1 | 0, 0, 0, 0, 0, 0, 0, 68, 69, 70, 0, 91, 0, 93, 0, 112, |
643 | 43febf49 | blueswir1 | 113, 114, 94, 50, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
644 | 43febf49 | blueswir1 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
645 | 43febf49 | blueswir1 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
646 | 43febf49 | blueswir1 | }; |
647 | 43febf49 | blueswir1 | |
648 | e80cfcfc | bellard | static void sunkbd_event(void *opaque, int ch) |
649 | e80cfcfc | bellard | { |
650 | e80cfcfc | bellard | ChannelState *s = opaque; |
651 | 8be1f5c8 | bellard | int release = ch & 0x80; |
652 | 8be1f5c8 | bellard | |
653 | 43febf49 | blueswir1 | KBD_DPRINTF("Untranslated keycode %2.2x (%s)\n", ch, release? "release" : "press"); |
654 | bbbb2f0a | blueswir1 | switch (ch) {
|
655 | bbbb2f0a | blueswir1 | case 58: // Caps lock press |
656 | bbbb2f0a | blueswir1 | s->caps_lock_mode ^= 1;
|
657 | bbbb2f0a | blueswir1 | if (s->caps_lock_mode == 2) |
658 | bbbb2f0a | blueswir1 | return; // Drop second press |
659 | bbbb2f0a | blueswir1 | break;
|
660 | bbbb2f0a | blueswir1 | case 69: // Num lock press |
661 | bbbb2f0a | blueswir1 | s->num_lock_mode ^= 1;
|
662 | bbbb2f0a | blueswir1 | if (s->num_lock_mode == 2) |
663 | bbbb2f0a | blueswir1 | return; // Drop second press |
664 | bbbb2f0a | blueswir1 | break;
|
665 | bbbb2f0a | blueswir1 | case 186: // Caps lock release |
666 | bbbb2f0a | blueswir1 | s->caps_lock_mode ^= 2;
|
667 | bbbb2f0a | blueswir1 | if (s->caps_lock_mode == 3) |
668 | bbbb2f0a | blueswir1 | return; // Drop first release |
669 | bbbb2f0a | blueswir1 | break;
|
670 | bbbb2f0a | blueswir1 | case 197: // Num lock release |
671 | bbbb2f0a | blueswir1 | s->num_lock_mode ^= 2;
|
672 | bbbb2f0a | blueswir1 | if (s->num_lock_mode == 3) |
673 | bbbb2f0a | blueswir1 | return; // Drop first release |
674 | bbbb2f0a | blueswir1 | break;
|
675 | bbbb2f0a | blueswir1 | case 0xe0: |
676 | 43febf49 | blueswir1 | s->e0_mode = 1;
|
677 | 43febf49 | blueswir1 | return;
|
678 | bbbb2f0a | blueswir1 | default:
|
679 | bbbb2f0a | blueswir1 | break;
|
680 | 43febf49 | blueswir1 | } |
681 | 43febf49 | blueswir1 | if (s->e0_mode) {
|
682 | 43febf49 | blueswir1 | s->e0_mode = 0;
|
683 | 43febf49 | blueswir1 | ch = e0_keycodes[ch & 0x7f];
|
684 | 43febf49 | blueswir1 | } else {
|
685 | 43febf49 | blueswir1 | ch = keycodes[ch & 0x7f];
|
686 | 43febf49 | blueswir1 | } |
687 | 43febf49 | blueswir1 | KBD_DPRINTF("Translated keycode %2.2x\n", ch);
|
688 | 8be1f5c8 | bellard | put_queue(s, ch | release); |
689 | 8be1f5c8 | bellard | } |
690 | 8be1f5c8 | bellard | |
691 | 8be1f5c8 | bellard | static void handle_kbd_command(ChannelState *s, int val) |
692 | 8be1f5c8 | bellard | { |
693 | 8be1f5c8 | bellard | KBD_DPRINTF("Command %d\n", val);
|
694 | 43febf49 | blueswir1 | if (s->led_mode) { // Ignore led byte |
695 | 43febf49 | blueswir1 | s->led_mode = 0;
|
696 | 43febf49 | blueswir1 | return;
|
697 | 43febf49 | blueswir1 | } |
698 | 8be1f5c8 | bellard | switch (val) {
|
699 | 8be1f5c8 | bellard | case 1: // Reset, return type code |
700 | 67deb562 | blueswir1 | clear_queue(s); |
701 | 8be1f5c8 | bellard | put_queue(s, 0xff);
|
702 | 67deb562 | blueswir1 | put_queue(s, 4); // Type 4 |
703 | 43febf49 | blueswir1 | put_queue(s, 0x7f);
|
704 | 8be1f5c8 | bellard | break;
|
705 | 43febf49 | blueswir1 | case 0xe: // Set leds |
706 | 43febf49 | blueswir1 | s->led_mode = 1;
|
707 | 43febf49 | blueswir1 | break;
|
708 | 8be1f5c8 | bellard | case 7: // Query layout |
709 | 67deb562 | blueswir1 | case 0xf: |
710 | 67deb562 | blueswir1 | clear_queue(s); |
711 | 8be1f5c8 | bellard | put_queue(s, 0xfe);
|
712 | 43febf49 | blueswir1 | put_queue(s, 0); // XXX, layout? |
713 | 8be1f5c8 | bellard | break;
|
714 | 8be1f5c8 | bellard | default:
|
715 | 8be1f5c8 | bellard | break;
|
716 | 8be1f5c8 | bellard | } |
717 | e80cfcfc | bellard | } |
718 | e80cfcfc | bellard | |
719 | 5fafdf24 | ths | static void sunmouse_event(void *opaque, |
720 | e80cfcfc | bellard | int dx, int dy, int dz, int buttons_state) |
721 | e80cfcfc | bellard | { |
722 | e80cfcfc | bellard | ChannelState *s = opaque; |
723 | e80cfcfc | bellard | int ch;
|
724 | e80cfcfc | bellard | |
725 | 715748fa | bellard | MS_DPRINTF("dx=%d dy=%d buttons=%01x\n", dx, dy, buttons_state);
|
726 | 715748fa | bellard | |
727 | 715748fa | bellard | ch = 0x80 | 0x7; /* protocol start byte, no buttons pressed */ |
728 | 715748fa | bellard | |
729 | 715748fa | bellard | if (buttons_state & MOUSE_EVENT_LBUTTON)
|
730 | 715748fa | bellard | ch ^= 0x4;
|
731 | 715748fa | bellard | if (buttons_state & MOUSE_EVENT_MBUTTON)
|
732 | 715748fa | bellard | ch ^= 0x2;
|
733 | 715748fa | bellard | if (buttons_state & MOUSE_EVENT_RBUTTON)
|
734 | 715748fa | bellard | ch ^= 0x1;
|
735 | 715748fa | bellard | |
736 | 715748fa | bellard | put_queue(s, ch); |
737 | 715748fa | bellard | |
738 | 715748fa | bellard | ch = dx; |
739 | 715748fa | bellard | |
740 | 715748fa | bellard | if (ch > 127) |
741 | 715748fa | bellard | ch=127;
|
742 | 715748fa | bellard | else if (ch < -127) |
743 | 715748fa | bellard | ch=-127;
|
744 | 715748fa | bellard | |
745 | 715748fa | bellard | put_queue(s, ch & 0xff);
|
746 | 715748fa | bellard | |
747 | 715748fa | bellard | ch = -dy; |
748 | 715748fa | bellard | |
749 | 715748fa | bellard | if (ch > 127) |
750 | 715748fa | bellard | ch=127;
|
751 | 715748fa | bellard | else if (ch < -127) |
752 | 715748fa | bellard | ch=-127;
|
753 | 715748fa | bellard | |
754 | 715748fa | bellard | put_queue(s, ch & 0xff);
|
755 | 715748fa | bellard | |
756 | 715748fa | bellard | // MSC protocol specify two extra motion bytes
|
757 | 715748fa | bellard | |
758 | 715748fa | bellard | put_queue(s, 0);
|
759 | 715748fa | bellard | put_queue(s, 0);
|
760 | e80cfcfc | bellard | } |
761 | e80cfcfc | bellard | |
762 | 5dcb6b91 | blueswir1 | void slavio_serial_ms_kbd_init(target_phys_addr_t base, qemu_irq irq)
|
763 | e80cfcfc | bellard | { |
764 | 8be1f5c8 | bellard | int slavio_serial_io_memory, i;
|
765 | e80cfcfc | bellard | SerialState *s; |
766 | e80cfcfc | bellard | |
767 | e80cfcfc | bellard | s = qemu_mallocz(sizeof(SerialState));
|
768 | e80cfcfc | bellard | if (!s)
|
769 | e80cfcfc | bellard | return;
|
770 | 8be1f5c8 | bellard | for (i = 0; i < 2; i++) { |
771 | 8be1f5c8 | bellard | s->chn[i].irq = irq; |
772 | 8be1f5c8 | bellard | s->chn[i].chn = 1 - i;
|
773 | 8be1f5c8 | bellard | s->chn[i].chr = NULL;
|
774 | 8be1f5c8 | bellard | } |
775 | 8be1f5c8 | bellard | s->chn[0].otherchn = &s->chn[1]; |
776 | 8be1f5c8 | bellard | s->chn[1].otherchn = &s->chn[0]; |
777 | 8be1f5c8 | bellard | s->chn[0].type = mouse;
|
778 | 8be1f5c8 | bellard | s->chn[1].type = kbd;
|
779 | e80cfcfc | bellard | |
780 | e80cfcfc | bellard | slavio_serial_io_memory = cpu_register_io_memory(0, slavio_serial_mem_read, slavio_serial_mem_write, s);
|
781 | 5aca8c3b | blueswir1 | cpu_register_physical_memory(base, SERIAL_SIZE, slavio_serial_io_memory); |
782 | e80cfcfc | bellard | |
783 | 455204eb | ths | qemu_add_mouse_event_handler(sunmouse_event, &s->chn[0], 0, "QEMU Sun Mouse"); |
784 | 8be1f5c8 | bellard | qemu_add_kbd_event_handler(sunkbd_event, &s->chn[1]);
|
785 | 5425a216 | blueswir1 | register_savevm("slavio_serial_mouse", base, 2, slavio_serial_save, slavio_serial_load, s); |
786 | e80cfcfc | bellard | qemu_register_reset(slavio_serial_reset, s); |
787 | e80cfcfc | bellard | slavio_serial_reset(s); |
788 | e80cfcfc | bellard | } |