gwj / at91sam9263 · Commits

Commit aa71cf802eb884dcdaebae6fbbd008248a64a01b

Authored by aurel32
1 parent d5853c20

QEMU Microsoft serial mouse emulation 

Adds "msmouse" character device, which emulates a serial mouse.
Use it with -serial msmouse.

Signed-Off-By: Lubomir Rintel <lkundrak@v3.sk>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6559 c046a42c-6fe2-441c-8c8c-71466251a162
Inline Side-by-side
Showing 5 changed files with 88 additions and 0 deletions
Makefile.target
  View file @aa71cf8
... ... @@ -574,6 +574,9 @@ OBJS += pcnet.o
574 574 OBJS += rtl8139.o
575 575 OBJS += e1000.o
576 576  
  577 +# Serial mouse
  578 +OBJS += msmouse.o
  579 +
577 580 ifeq ($(TARGET_BASE_ARCH), i386)
578 581 # Hardware support
579 582 OBJS+= ide.o pckbd.o ps2.o vga.o $(SOUND_HW) dma.o
... ...
hw/msmouse.c 0 → 100644
  View file @aa71cf8
  1 +/*
  2 + * QEMU Microsoft serial mouse emulation
  3 + *
  4 + * Copyright (c) 2008 Lubomir Rintel
  5 + *
  6 + * Permission is hereby granted, free of charge, to any person obtaining a copy
  7 + * of this software and associated documentation files (the "Software"), to deal
  8 + * in the Software without restriction, including without limitation the rights
  9 + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10 + * copies of the Software, and to permit persons to whom the Software is
  11 + * furnished to do so, subject to the following conditions:
  12 + *
  13 + * The above copyright notice and this permission notice shall be included in
  14 + * all copies or substantial portions of the Software.
  15 + *
  16 + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17 + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18 + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  19 + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20 + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21 + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  22 + * THE SOFTWARE.
  23 + */
  24 +#include <stdlib.h>
  25 +#include "../qemu-common.h"
  26 +#include "../qemu-char.h"
  27 +#include "../console.h"
  28 +#include "msmouse.h"
  29 +
  30 +#define MSMOUSE_LO6(n) ((n) & 0x3f)
  31 +#define MSMOUSE_HI2(n) (((n) & 0xc0) >> 6)
  32 +
  33 +static void msmouse_event(void *opaque,
  34 + int dx, int dy, int dz, int buttons_state)
  35 +{
  36 + CharDriverState *chr = (CharDriverState *)opaque;
  37 +
  38 + unsigned char bytes[4] = { 0x40, 0x00, 0x00, 0x00 };
  39 +
  40 + /* Movement deltas */
  41 + bytes[0] |= (MSMOUSE_HI2(dy) << 2) | MSMOUSE_HI2(dx);
  42 + bytes[1] |= MSMOUSE_LO6(dx);
  43 + bytes[2] |= MSMOUSE_LO6(dy);
  44 +
  45 + /* Buttons */
  46 + bytes[0] |= (buttons_state & 0x01 ? 0x20 : 0x00);
  47 + bytes[0] |= (buttons_state & 0x02 ? 0x10 : 0x00);
  48 + bytes[3] |= (buttons_state & 0x04 ? 0x20 : 0x00);
  49 +
  50 + /* We always send the packet of, so that we do not have to keep track
  51 + of previous state of the middle button. This can potentially confuse
  52 + some very old drivers for two button mice though. */
  53 + qemu_chr_read(chr, bytes, 4);
  54 +}
  55 +
  56 +static int msmouse_chr_write (struct CharDriverState *s, const uint8_t *buf, int len)
  57 +{
  58 + /* Ignore writes to mouse port */
  59 + return len;
  60 +}
  61 +
  62 +static void msmouse_chr_close (struct CharDriverState *chr)
  63 +{
  64 + qemu_free (chr);
  65 +}
  66 +
  67 +CharDriverState *qemu_chr_open_msmouse(void)
  68 +{
  69 + CharDriverState *chr;
  70 +
  71 + chr = qemu_mallocz(sizeof(CharDriverState));
  72 + chr->chr_write = msmouse_chr_write;
  73 + chr->chr_close = msmouse_chr_close;
  74 +
  75 + qemu_add_mouse_event_handler(msmouse_event, chr, 0, "QEMU Microsoft Mouse");
  76 +
  77 + return chr;
  78 +}
... ...
hw/msmouse.h 0 → 100644
  View file @aa71cf8
  1 +/* msmouse.c */
  2 +CharDriverState *qemu_chr_open_msmouse(void);
... ...
qemu-char.c
  View file @aa71cf8
... ... @@ -30,6 +30,7 @@
30 30 #include "block.h"
31 31 #include "hw/usb.h"
32 32 #include "hw/baum.h"
  33 +#include "hw/msmouse.h"
33 34  
34 35 #include <unistd.h>
35 36 #include <fcntl.h>
... ... @@ -2105,6 +2106,8 @@ CharDriverState *qemu_chr_open(const char *label, const char *filename, void (*i
2105 2106 } else {
2106 2107 printf("Unable to open driver: %s\n", p);
2107 2108 }
  2109 + } else if (!strcmp(filename, "msmouse")) {
  2110 + chr = qemu_chr_open_msmouse();
2108 2111 } else
2109 2112 #ifndef _WIN32
2110 2113 if (strstart(filename, "unix:", &p)) {
... ...
qemu-doc.texi
  View file @aa71cf8
... ... @@ -961,6 +961,8 @@ This implements UDP Net Console.
961 961 When @var{remote_host} or @var{src_ip} are not specified
962 962 they default to @code{0.0.0.0}.
963 963 When not using a specified @var{src_port} a random port is automatically chosen.
  964 +@item msmouse
  965 +Three button serial mouse. Configure the guest to use Microsoft protocol.
964 966  
965 967 If you just want a simple readonly console you can use @code{netcat} or
966 968 @code{nc}, by starting qemu with: @code{-serial udp::4555} and nc as:
... ...