235 lines
8.1 KiB
C++
235 lines
8.1 KiB
C++
/////////////////////////////////////////////////////////////////////////
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// $Id$
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/////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2002-2009 The Bochs Project
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#ifndef _PCKEY_H
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#define _PCKEY_H
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#define BX_KBD_ELEMENTS 16
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// these keywords should only be used in keyboard.cc
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#if BX_USE_KEY_SMF
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# define BX_KEY_SMF static
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# define BX_KEY_THIS theKeyboard->
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#else
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# define BX_KEY_SMF
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# define BX_KEY_THIS this->
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#endif
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#define MOUSE_MODE_RESET 10
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#define MOUSE_MODE_STREAM 11
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#define MOUSE_MODE_REMOTE 12
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#define MOUSE_MODE_WRAP 13
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class bx_keyb_c : public bx_keyb_stub_c {
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public:
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bx_keyb_c();
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virtual ~bx_keyb_c();
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// implement bx_devmodel_c interface
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virtual void init(void);
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virtual void reset(unsigned type);
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// override stubs from bx_keyb_stub_c
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virtual void gen_scancode(Bit32u key);
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virtual void paste_bytes(Bit8u *data, Bit32s length);
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virtual void register_state(void);
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virtual void after_restore_state(void);
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// runtime options
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static Bit64s kbd_param_handler(bx_param_c *param, int set, Bit64s val);
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BX_KEY_SMF void paste_delay_changed(Bit32u value);
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private:
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BX_KEY_SMF Bit8u get_kbd_enable(void);
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BX_KEY_SMF void service_paste_buf ();
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BX_KEY_SMF void create_mouse_packet(bx_bool force_enq);
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BX_KEY_SMF unsigned periodic(Bit32u usec_delta);
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static Bit32u read_handler(void *this_ptr, Bit32u address, unsigned io_len);
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static void write_handler(void *this_ptr, Bit32u address, Bit32u value, unsigned io_len);
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#if !BX_USE_KEY_SMF
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void write(Bit32u address, Bit32u value, unsigned io_len);
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Bit32u read(Bit32u address, unsigned io_len);
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#endif
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struct {
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struct {
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/* status bits matching the status port*/
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bx_bool pare; // Bit7, 1= parity error from keyboard/mouse - ignored.
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bx_bool tim; // Bit6, 1= timeout from keyboard - ignored.
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bx_bool auxb; // Bit5, 1= mouse data waiting for CPU to read.
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bx_bool keyl; // Bit4, 1= keyswitch in lock position - ignored.
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bx_bool c_d; /* Bit3, 1=command to port 64h, 0=data to port 60h */
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bx_bool sysf; // Bit2,
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bx_bool inpb; // Bit1,
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bx_bool outb; // Bit0, 1= keyboard data or mouse data ready for CPU
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// check aux to see which. Or just keyboard
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// data before AT style machines
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/* internal to our version of the keyboard controller */
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bx_bool kbd_clock_enabled;
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bx_bool aux_clock_enabled;
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bx_bool allow_irq1;
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bx_bool allow_irq12;
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Bit8u kbd_output_buffer;
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Bit8u aux_output_buffer;
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Bit8u last_comm;
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Bit8u expecting_port60h;
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Bit8u expecting_mouse_parameter;
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Bit8u last_mouse_command;
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Bit32u timer_pending;
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bx_bool irq1_requested;
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bx_bool irq12_requested;
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bx_bool scancodes_translate;
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bx_bool expecting_scancodes_set;
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Bit8u current_scancodes_set;
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bx_bool bat_in_progress;
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} kbd_controller;
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struct mouseStruct {
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Bit8u type;
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Bit8u sample_rate;
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Bit8u resolution_cpmm; // resolution in counts per mm
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Bit8u scaling;
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Bit8u mode;
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Bit8u saved_mode; // the mode prior to entering wrap mode
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bx_bool enable;
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Bit8u get_status_byte ()
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{
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// top bit is 0 , bit 6 is 1 if remote mode.
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Bit8u ret = (Bit8u) ((mode == MOUSE_MODE_REMOTE) ? 0x40 : 0);
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ret |= (enable << 5);
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ret |= (scaling == 1) ? 0 : (1 << 4);
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ret |= ((button_status & 0x1) << 2);
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ret |= ((button_status & 0x2) << 0);
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return ret;
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}
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Bit8u get_resolution_byte ()
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{
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Bit8u ret = 0;
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switch (resolution_cpmm) {
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case 1:
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ret = 0;
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break;
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case 2:
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ret = 1;
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break;
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case 4:
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ret = 2;
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break;
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case 8:
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ret = 3;
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break;
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default:
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genlog->panic("mouse: invalid resolution_cpmm");
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};
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return ret;
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}
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Bit8u button_status;
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Bit16s delayed_dx;
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Bit16s delayed_dy;
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Bit16s delayed_dz;
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Bit8u im_request;
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bx_bool im_mode;
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} mouse;
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struct {
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int num_elements;
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Bit8u buffer[BX_KBD_ELEMENTS];
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int head;
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bx_bool expecting_typematic;
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bx_bool expecting_led_write;
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Bit8u delay;
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Bit8u repeat_rate;
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Bit8u led_status;
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bx_bool scanning_enabled;
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} kbd_internal_buffer;
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struct {
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int num_elements;
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Bit8u buffer[BX_MOUSE_BUFF_SIZE];
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int head;
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} mouse_internal_buffer;
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#define BX_KBD_CONTROLLER_QSIZE 5
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Bit8u controller_Q[BX_KBD_CONTROLLER_QSIZE];
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unsigned controller_Qsize;
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unsigned controller_Qsource; // 0=keyboard, 1=mouse
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} s; // State information for saving/loading
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// The paste buffer does NOT exist in the hardware. It is a bochs
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// construction that allows the user to "paste" arbitrary length sequences of
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// keystrokes into the emulated machine. Since the hardware buffer is only
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// 16 bytes, a very small amount of data can be added to the hardware buffer
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// at a time. The paste buffer keeps track of the bytes that have not yet
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// been pasted.
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//
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// Lifetime of a paste buffer: The paste data comes from the system
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// clipboard, which must be accessed using platform independent code in the
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// gui. Because every gui has its own way of managing the clipboard memory
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// (in X windows, you're supposed to call Xfree for example), in the platform
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// specific code we make a copy of the clipboard buffer with
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// "new Bit8u[length]". Then the pointer is passed into
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// bx_keyb_c::paste_bytes, along with the length. The gui code never touches
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// the pastebuf again, and does not free it. The keyboard code is
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// responsible for deallocating the paste buffer using delete [] buf. The
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// paste buffer is binary data, and it is probably NOT null terminated.
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//
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// Summary: A paste buffer is allocated (new) in the platform-specific gui
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// code, passed to the keyboard model, and is freed (delete[]) when it is no
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// longer needed.
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Bit8u *pastebuf; // ptr to bytes to be pasted, or NULL if none in progress
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Bit32u pastebuf_len; // length of pastebuf
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Bit32u pastebuf_ptr; // ptr to next byte to be added to hw buffer
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Bit32u pastedelay; // count before paste
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bx_bool paste_service; // set to 1 when gen_scancode() is called from paste service
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bx_bool stop_paste; // stop the current paste operation on keypress or hardware reset
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BX_KEY_SMF void resetinternals(bx_bool powerup);
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BX_KEY_SMF void set_kbd_clock_enable(Bit8u value) BX_CPP_AttrRegparmN(1);
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BX_KEY_SMF void set_aux_clock_enable(Bit8u value);
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BX_KEY_SMF void kbd_ctrl_to_kbd(Bit8u value);
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BX_KEY_SMF void kbd_ctrl_to_mouse(Bit8u value);
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BX_KEY_SMF void kbd_enQ(Bit8u scancode);
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BX_KEY_SMF void kbd_enQ_imm(Bit8u val);
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BX_KEY_SMF void activate_timer(void);
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BX_KEY_SMF void controller_enQ(Bit8u data, unsigned source);
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BX_KEY_SMF bx_bool mouse_enQ_packet(Bit8u b1, Bit8u b2, Bit8u b3, Bit8u b4);
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BX_KEY_SMF void mouse_enQ(Bit8u mouse_data);
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static void mouse_enabled_changed_static(void *dev, bx_bool enabled);
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void mouse_enabled_changed(bx_bool enabled);
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static void mouse_enq_static(void *dev, int delta_x, int delta_y, int delta_z, unsigned button_state);
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void mouse_motion(int delta_x, int delta_y, int delta_z, unsigned button_state);
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static void timer_handler(void *);
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void timer(void);
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int timer_handle;
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int statusbar_id[3];
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};
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#endif // #ifndef _PCKEY_H
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