1389 lines
46 KiB
C++
1389 lines
46 KiB
C++
// Copyright (C) 2001 MandrakeSoft S.A.
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//
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// MandrakeSoft S.A.
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// 43, rue d'Aboukir
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// 75002 Paris - France
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// http://www.linux-mandrake.com/
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// http://www.mandrakesoft.com/
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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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// Now features proper implementation of keyboard opcodes 0xF4 to 0xF6
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// Silently ignores PS/2 keyboard extensions (0xF7 to 0xFD)
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// Explicit panic on resend (0xFE)
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//
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// Emmanuel Marty <core@ggi-project.org>
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#include "bochs.h"
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#define VERBOSE_KBD_DEBUG 0
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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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#if BX_USE_KEY_SMF
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bx_keyb_c bx_keyboard;
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#define this (&bx_keyboard)
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#endif
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bx_keyb_c::bx_keyb_c(void)
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{
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// constructor
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// should zero out state info here???
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memset( &s, 0, sizeof(s) );
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}
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bx_keyb_c::~bx_keyb_c(void)
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{
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// destructor
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}
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// flush internal buffer and reset keyboard settings to power-up condition
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void
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bx_keyb_c::resetinternals(Boolean powerup)
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{
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Bit32u i;
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BX_KEY_THIS s.kbd_internal_buffer.num_elements = 0;
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for (i=0; i<BX_KBD_ELEMENTS; i++)
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BX_KEY_THIS s.kbd_internal_buffer.buffer[i] = 0;
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BX_KEY_THIS s.kbd_internal_buffer.head = 0;
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BX_KEY_THIS s.kbd_internal_buffer.expecting_typematic = 0;
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if (powerup) {
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BX_KEY_THIS s.kbd_internal_buffer.expecting_led_write = 0;
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BX_KEY_THIS s.kbd_internal_buffer.delay = 1; // 500 mS
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BX_KEY_THIS s.kbd_internal_buffer.repeat_rate = 0x0b; // 10.9 chars/sec
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}
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}
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void
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bx_keyb_c::init(bx_devices_c *d, bx_cmos_c *cmos)
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{
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Bit32u i;
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BX_KEY_THIS devices = d;
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BX_KEY_THIS devices->register_irq(1, "8042 Keyboard controller");
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BX_KEY_THIS devices->register_io_read_handler(this, read_handler,
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0x0060, "8042 Keyboard controller");
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BX_KEY_THIS devices->register_io_read_handler(this, read_handler,
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0x0064, "8042 Keyboard controller");
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BX_KEY_THIS devices->register_io_write_handler(this, write_handler,
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0x0060, "8042 Keyboard controller");
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BX_KEY_THIS devices->register_io_write_handler(this, write_handler,
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0x0064, "8042 Keyboard controller");
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resetinternals(1);
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BX_KEY_THIS s.kbd_internal_buffer.led_status = 0;
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BX_KEY_THIS s.kbd_internal_buffer.scanning_enabled = 1;
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BX_KEY_THIS s.mouse_internal_buffer.num_elements = 0;
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for (i=0; i<BX_MOUSE_BUFF_SIZE; i++)
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BX_KEY_THIS s.mouse_internal_buffer.buffer[i] = 0;
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BX_KEY_THIS s.mouse_internal_buffer.head = 0;
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BX_KEY_THIS s.kbd_controller.pare = 0;
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BX_KEY_THIS s.kbd_controller.tim = 0;
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BX_KEY_THIS s.kbd_controller.auxb = 0;
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BX_KEY_THIS s.kbd_controller.keyl = 1;
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BX_KEY_THIS s.kbd_controller.c_d = 1;
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BX_KEY_THIS s.kbd_controller.sysf = 0;
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BX_KEY_THIS s.kbd_controller.inpb = 0;
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BX_KEY_THIS s.kbd_controller.outb = 0;
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BX_KEY_THIS s.kbd_controller.scan_convert = 1;
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BX_KEY_THIS s.kbd_controller.kbd_clock_enabled = 1;
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BX_KEY_THIS s.kbd_controller.aux_clock_enabled = 0;
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BX_KEY_THIS s.kbd_controller.allow_irq1 = 1;
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BX_KEY_THIS s.kbd_controller.allow_irq12 = 1;
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BX_KEY_THIS s.kbd_controller.kbd_output_buffer = 0;
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BX_KEY_THIS s.kbd_controller.aux_output_buffer = 0;
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BX_KEY_THIS s.kbd_controller.last_comm = 0;
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BX_KEY_THIS s.kbd_controller.expecting_port60h = 0;
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BX_KEY_THIS s.kbd_controller.irq1_requested = 0;
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BX_KEY_THIS s.kbd_controller.irq12_requested = 0;
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//fprintf(stderr, "# keyboard_serial_delay is %u usec\n",
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// (unsigned) bx_options.keyboard_serial_delay);
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BX_KEY_THIS s.kbd_controller.timer_pending = 0;
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// Mouse initialization stuff
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BX_KEY_THIS s.mouse.sample_rate = 100; // reports per second
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BX_KEY_THIS s.mouse.resolution_cpmm = 4; // 4 counts per millimeter
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BX_KEY_THIS s.mouse.scaling = 1; /* 1:1 (default) */
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BX_KEY_THIS s.mouse.mode = MOUSE_MODE_RESET;
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BX_KEY_THIS s.mouse.enable = 0;
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for (i=0; i<BX_KBD_CONTROLLER_QSIZE; i++)
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BX_KEY_THIS s.controller_Q[i] = 0;
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BX_KEY_THIS s.controller_Qsize = 0;
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BX_KEY_THIS s.controller_Qsource = 0;
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// mouse port installed on system board
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cmos->s.reg[0x14] |= 0x04;
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}
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#define RETURN(x) do { ret = (x); goto read_return; } while (0)
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// static IO port read callback handler
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// redirects to non-static class handler to avoid virtual functions
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Bit32u
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bx_keyb_c::read_handler(void *this_ptr, Bit32u address, unsigned io_len)
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{
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#if !BX_USE_KEY_SMF
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bx_keyb_c *class_ptr = (bx_keyb_c *) this_ptr;
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return( class_ptr->read(address, io_len) );
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}
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Bit32u
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bx_keyb_c::read(Bit32u address, unsigned io_len)
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{
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#else
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UNUSED(this_ptr);
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#endif // !BX_USE_KEY_SMF
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Bit32u ret = 0;
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if (io_len > 1)
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bx_panic("kbd: io read to address %08x, len=%u\n",
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(unsigned) address, (unsigned) io_len);
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//fprintf(stderr, "# KBD: read from port 0x%04x\n", (unsigned) address);
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if (address == 0x60) { /* output buffer */
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Bit8u val;
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if (BX_KEY_THIS s.kbd_controller.auxb) { /* mouse byte available */
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val = BX_KEY_THIS s.kbd_controller.aux_output_buffer;
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BX_KEY_THIS s.kbd_controller.aux_output_buffer = 0;
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BX_KEY_THIS s.kbd_controller.outb = 0;
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BX_KEY_THIS s.kbd_controller.auxb = 0;
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if (BX_KEY_THIS s.controller_Qsize) {
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unsigned i;
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BX_KEY_THIS s.kbd_controller.aux_output_buffer = BX_KEY_THIS s.controller_Q[0];
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BX_KEY_THIS s.kbd_controller.outb = 1;
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BX_KEY_THIS s.kbd_controller.auxb = 1;
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if (BX_KEY_THIS s.kbd_controller.allow_irq12)
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BX_KEY_THIS s.kbd_controller.irq12_requested = 1;
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for (i=0; i<BX_KEY_THIS s.controller_Qsize-1; i++) {
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// move Q elements towards head of queue by one
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BX_KEY_THIS s.controller_Q[i] = BX_KEY_THIS s.controller_Q[i+1];
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}
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BX_KEY_THIS s.controller_Qsize--;
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}
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//bx_printf("mouse: ___io_read aux = 0x%02x\n", (unsigned) val);
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activate_timer();
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if (bx_dbg.keyboard)
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bx_printf("KBD: READ(%02x) = %02x\n", (unsigned) address,
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(unsigned) val);
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RETURN(val);
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}
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else if (BX_KEY_THIS s.kbd_controller.outb) { /* kbd byte available */
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val = BX_KEY_THIS s.kbd_controller.kbd_output_buffer;
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BX_KEY_THIS s.kbd_controller.kbd_output_buffer = 0;
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BX_KEY_THIS s.kbd_controller.outb = 0;
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BX_KEY_THIS s.kbd_controller.auxb = 0;
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//fprintf(stderr, "# ___io_read kbd\n");
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if (BX_KEY_THIS s.controller_Qsize) {
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unsigned i;
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BX_KEY_THIS s.kbd_controller.aux_output_buffer = BX_KEY_THIS s.controller_Q[0];
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BX_KEY_THIS s.kbd_controller.outb = 1;
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BX_KEY_THIS s.kbd_controller.auxb = 1;
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if (BX_KEY_THIS s.kbd_controller.allow_irq1)
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BX_KEY_THIS s.kbd_controller.irq1_requested = 1;
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for (i=0; i<BX_KEY_THIS s.controller_Qsize-1; i++) {
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// move Q elements towards head of queue by one
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BX_KEY_THIS s.controller_Q[i] = BX_KEY_THIS s.controller_Q[i+1];
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}
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BX_KEY_THIS s.controller_Qsize--;
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}
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activate_timer();
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if (bx_dbg.keyboard)
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bx_printf("KBD: READ(%02x) = %02x\n", (unsigned) address,
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(unsigned) val);
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RETURN(val);
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}
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else {
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if (bx_dbg.keyboard) {
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bx_printf("KBD: num_elements = %d\n", BX_KEY_THIS s.kbd_internal_buffer.num_elements);
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bx_printf("KBD: read from port 60h with outb empty\n");
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}
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val = 0;
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RETURN(val);
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}
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}
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#if BX_CPU_LEVEL >= 2
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else if (address == 0x64) { /* status register */
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Bit8u val;
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val = (BX_KEY_THIS s.kbd_controller.pare << 7) |
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(BX_KEY_THIS s.kbd_controller.tim << 6) |
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(BX_KEY_THIS s.kbd_controller.auxb << 5) |
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(BX_KEY_THIS s.kbd_controller.keyl << 4) |
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(BX_KEY_THIS s.kbd_controller.c_d << 3) |
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(BX_KEY_THIS s.kbd_controller.sysf << 2) |
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(BX_KEY_THIS s.kbd_controller.inpb << 1) |
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BX_KEY_THIS s.kbd_controller.outb;
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RETURN(val);
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}
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#else /* BX_CPU_LEVEL > 0 */
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/* XT MODE, System 8255 Mode Register */
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else if (address == 0x64) { /* status register */
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if (bx_dbg.keyboard)
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bx_printf("KBD: IO read from port 64h, system 8255 mode register\n");
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RETURN(BX_KEY_THIS s.kbd_controller.outb);
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}
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#endif /* BX_CPU_LEVEL > 0 */
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else {
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bx_panic("KBD: unknown address in io read to keyboard port %x\n",
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(unsigned) address);
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RETURN(0); /* keep compiler happy */
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}
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read_return:
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if (bx_dbg.keyboard)
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bx_printf("keyboard: 8-bit read from %04x = %02x\n", (unsigned)address, ret);
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return ret;
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}
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// static IO port write callback handler
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// redirects to non-static class handler to avoid virtual functions
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void
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bx_keyb_c::write_handler(void *this_ptr, Bit32u address, Bit32u value, unsigned io_len)
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{
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#if !BX_USE_KEY_SMF
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bx_keyb_c *class_ptr = (bx_keyb_c *) this_ptr;
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class_ptr->write(address, value, io_len);
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}
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void
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bx_keyb_c::write( Bit32u address, Bit32u value, unsigned io_len)
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{
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#else
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UNUSED(this_ptr);
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#endif // !BX_USE_KEY_SMF
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Bit8u command_byte;
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if (io_len > 1)
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bx_panic("kbd: io write to address %08x, len=%u\n",
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(unsigned) address, (unsigned) io_len);
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if (bx_dbg.keyboard)
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bx_printf("keyboard: 8-bit write to %04x = %02x\n", (unsigned)address, (unsigned)value);
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//fprintf(stderr, "# KBD: WRITE(%02x) = %02x\n", (unsigned) address,
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// (unsigned) value);
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switch (address) {
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case 0x60: // input buffer
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// if expecting data byte from command last sent to port 64h
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if (BX_KEY_THIS s.kbd_controller.expecting_port60h) {
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BX_KEY_THIS s.kbd_controller.expecting_port60h = 0;
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// data byte written last to 0x60
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BX_KEY_THIS s.kbd_controller.c_d = 0;
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if (BX_KEY_THIS s.kbd_controller.inpb) {
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bx_panic("KBD: write to port 60h, not ready for write\n");
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}
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switch (BX_KEY_THIS s.kbd_controller.last_comm) {
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case 0x60: // write command byte
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{
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Boolean scan_convert, disable_keyboard,
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disable_aux;
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scan_convert = (value >> 6) & 0x01;
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disable_aux = (value >> 5) & 0x01;
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disable_keyboard = (value >> 4) & 0x01;
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BX_KEY_THIS s.kbd_controller.sysf = (value >> 2) & 0x01;
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BX_KEY_THIS s.kbd_controller.allow_irq1 = (value >> 0) & 0x01;
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BX_KEY_THIS s.kbd_controller.allow_irq12 = (value >> 1) & 0x01;
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set_kbd_clock_enable(!disable_keyboard);
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set_aux_clock_enable(!disable_aux);
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if (BX_KEY_THIS s.kbd_controller.allow_irq12 && BX_KEY_THIS s.kbd_controller.auxb)
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BX_KEY_THIS s.kbd_controller.irq12_requested = 1;
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else if (BX_KEY_THIS s.kbd_controller.allow_irq1 && BX_KEY_THIS s.kbd_controller.outb)
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BX_KEY_THIS s.kbd_controller.irq1_requested = 1;
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//fprintf(stderr, "# allow_irq12 set to %u\n", (unsigned)
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// BX_KEY_THIS s.kbd_controller.allow_irq12);
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if ( !scan_convert )
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bx_printf("keyboard: (mch) scan convert turned off\n");
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// (mch) NT needs this
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BX_KEY_THIS s.kbd_controller.scan_convert = scan_convert;
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}
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break;
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case 0xd1: // write output port
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if (bx_dbg.keyboard)
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bx_printf("KBD: write output port with value %02xh\n",
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(unsigned) value);
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BX_SET_ENABLE_A20( (value & 0x02) != 0 );
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if (!(value & 0x01)) bx_panic("KBD: IO write: processor reset requested!\n");
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break;
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case 0xd4: // Write to mouse
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// I don't think this enables the AUX clock
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//set_aux_clock_enable(1); // enable aux clock line
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kbd_ctrl_to_mouse(value);
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// ??? should I reset to previous value of aux enable?
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break;
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case 0xd3: // write mouse output buffer
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// Queue in mouse output buffer
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controller_enQ(value, 1);
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break;
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default:
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bx_panic("KBD: === unsupported write to port 60h(lastcomm=%02x): %02x\n",
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(unsigned) BX_KEY_THIS s.kbd_controller.last_comm, (unsigned) value);
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}
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}
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else {
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// data byte written last to 0x60
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BX_KEY_THIS s.kbd_controller.c_d = 0;
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BX_KEY_THIS s.kbd_controller.expecting_port60h = 0;
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/* pass byte to keyboard */
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/* ??? should conditionally pass to mouse device here ??? */
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if (BX_KEY_THIS s.kbd_controller.kbd_clock_enabled==0) {
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bx_printf("KBD: keyboard disabled & send of byte %02x to kbd\n",
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(unsigned) value);
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}
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kbd_ctrl_to_kbd(value);
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}
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break;
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case 0x64: // control register
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// command byte written last to 0x64
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BX_KEY_THIS s.kbd_controller.c_d = 1;
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BX_KEY_THIS s.kbd_controller.last_comm = value;
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// most commands NOT expecting port60 write next
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BX_KEY_THIS s.kbd_controller.expecting_port60h = 0;
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switch (value) {
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case 0x20: // get keyboard command byte
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if (bx_dbg.keyboard)
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bx_printf("KBD: get keyboard command byte\n");
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// controller output buffer must be empty
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if (BX_KEY_THIS s.kbd_controller.outb) {
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bx_panic("kbd: OUTB set and command 0x%02x encountered\n", value);
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break;
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}
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command_byte =
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(BX_KEY_THIS s.kbd_controller.scan_convert << 6) |
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((!BX_KEY_THIS s.kbd_controller.aux_clock_enabled) << 5) |
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((!BX_KEY_THIS s.kbd_controller.kbd_clock_enabled) << 4) |
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(0 << 3) |
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(BX_KEY_THIS s.kbd_controller.sysf << 2) |
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(BX_KEY_THIS s.kbd_controller.allow_irq12 << 1) |
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(BX_KEY_THIS s.kbd_controller.allow_irq1 << 0);
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controller_enQ(command_byte, 0);
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break;
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case 0x60: // write command byte
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if (bx_dbg.keyboard)
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bx_printf("KBD: write command byte\n");
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// following byte written to port 60h is command byte
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BX_KEY_THIS s.kbd_controller.expecting_port60h = 1;
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break;
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case 0xa1:
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bx_printf ("KBD: Dummy out Green PC for now : 0xa1\n");
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break;
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case 0xa7: // disable the aux device
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set_aux_clock_enable(0);
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if (bx_dbg.keyboard) bx_printf("KBD: aux device disabled\n");
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break;
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case 0xa8: // enable the aux device
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set_aux_clock_enable(1);
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if (bx_dbg.keyboard) bx_printf("KBD: aux device enabled\n");
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|
break;
|
|
case 0xa9: // Test Mouse Port
|
|
// controller output buffer must be empty
|
|
if (BX_KEY_THIS s.kbd_controller.outb) {
|
|
bx_panic("kbd: OUTB set and command 0x%02x encountered\n", value);
|
|
break;
|
|
}
|
|
controller_enQ(0x00, 0); // no errors detected
|
|
break;
|
|
case 0xaa: // motherboard controller self test
|
|
if (bx_dbg.keyboard) bx_printf("KBD: Self Test\n");
|
|
// controller output buffer must be empty
|
|
if (BX_KEY_THIS s.kbd_controller.outb) {
|
|
bx_panic("kbd: OUTB set and command 0x%02x encountered\n", value);
|
|
break;
|
|
}
|
|
// (mch) Why is this commented out??? Enabling
|
|
BX_KEY_THIS s.kbd_controller.sysf = 1; // self test complete
|
|
controller_enQ(0x55, 0); // controller OK
|
|
break;
|
|
case 0xab: // Interface Test
|
|
// controller output buffer must be empty
|
|
if (BX_KEY_THIS s.kbd_controller.outb) {
|
|
bx_panic("kbd: OUTB set and command 0x%02x encountered\n", value);
|
|
break;
|
|
}
|
|
controller_enQ(0x00, 0);
|
|
break;
|
|
case 0xad: // disable keyboard
|
|
set_kbd_clock_enable(0);
|
|
if (bx_dbg.keyboard) bx_printf("KBD: keyboard disabled\n");
|
|
break;
|
|
case 0xae: // enable keyboard
|
|
set_kbd_clock_enable(1);
|
|
if (bx_dbg.keyboard) bx_printf("KBD: keyboard enabled\n");
|
|
break;
|
|
case 0xc0: // read input port
|
|
// controller output buffer must be empty
|
|
if (BX_KEY_THIS s.kbd_controller.outb) {
|
|
bx_panic("kbd: OUTB set and command 0x%02x encountered\n", value);
|
|
break;
|
|
}
|
|
// keyboard power normal
|
|
controller_enQ(0x00, 0);
|
|
break;
|
|
case 0xd0: // read output port: next byte read from port 60h
|
|
if (bx_dbg.keyboard)
|
|
bx_printf("KBD: io write to port 64h, command d0h (partial)\n");
|
|
// controller output buffer must be empty
|
|
if (BX_KEY_THIS s.kbd_controller.outb) {
|
|
bx_panic("kbd: OUTB set and command 0x%02x encountered\n", value);
|
|
break;
|
|
}
|
|
controller_enQ(
|
|
(BX_KEY_THIS s.kbd_controller.auxb << 5) |
|
|
(BX_KEY_THIS s.kbd_controller.outb << 4) |
|
|
(BX_GET_ENABLE_A20() << 1) |
|
|
0x01, 0);
|
|
break;
|
|
|
|
case 0xd1: // write output port: next byte written to port 60h
|
|
if (bx_dbg.keyboard)
|
|
bx_printf("KBD: write output port\n");
|
|
// following byte to port 60h written to output port
|
|
BX_KEY_THIS s.kbd_controller.expecting_port60h = 1;
|
|
break;
|
|
|
|
case 0xd3: // write mouse output buffer
|
|
//FIXME: Why was this a panic?
|
|
bx_printf("KBD: io write 0x64: command = 0xD3(write mouse outb)\n");
|
|
// following byte to port 60h written to output port as mouse write.
|
|
BX_KEY_THIS s.kbd_controller.expecting_port60h = 1;
|
|
break;
|
|
|
|
case 0xd4: // write to mouse
|
|
if (bx_dbg.mouse)
|
|
bx_printf("KBD: io write 0x64: command = 0xD4 (write to mouse)\n");
|
|
// following byte written to port 60h
|
|
BX_KEY_THIS s.kbd_controller.expecting_port60h = 1;
|
|
break;
|
|
|
|
case 0xd2: // write keyboard output buffer
|
|
case 0xdd: // Disable A20 Address Line
|
|
case 0xdf: // Enable A20 Address Line
|
|
case 0xc1: // Continuous Input Port Poll, Low
|
|
case 0xc2: // Continuous Input Port Poll, High
|
|
case 0xe0: // Read Test Inputs
|
|
bx_panic("KBD: io write 0x64: command = %02xh\n", (unsigned) value);
|
|
break;
|
|
|
|
case 0xfe: // System Reset, transition to real mode
|
|
if (bx_dbg.keyboard)
|
|
bx_printf("KBD: system reset\n");
|
|
bx_panic("system reset via KBD ctrl command FEh\n");
|
|
// Use bx_pc_system if necessary bx_cpu.reset_cpu();
|
|
bx_pc_system.ResetSignal( PCS_SET );
|
|
break;
|
|
|
|
default:
|
|
if (value==0xff || (value>=0xf0 && value<=0xfd)) {
|
|
/* useless pulse output bit commands ??? */
|
|
if (bx_dbg.keyboard)
|
|
bx_printf("KBD: io write to port 64h, useless command %02x\n",
|
|
(unsigned) value);
|
|
return;
|
|
}
|
|
bx_panic("KBD: unsupported io write to keyboard port %x, value = %x\n",
|
|
(unsigned) address, (unsigned) value);
|
|
break;
|
|
}
|
|
break;
|
|
|
|
default: bx_panic("KBD: unknown address in bx_keyb_c::write()\n");
|
|
}
|
|
}
|
|
|
|
|
|
void
|
|
bx_keyb_c::gen_scancode(Bit32u key)
|
|
{
|
|
Bit8u scancode;
|
|
|
|
if (bx_dbg.record_io) {
|
|
fprintf((FILE*)bx_dbg.record_io, "gen_scancode %lld %x\n", bx_pc_system.time_ticks(), key);
|
|
}
|
|
|
|
if (!BX_KEY_THIS s.kbd_controller.scan_convert)
|
|
bx_panic("keyboard: gen_scancode with scan_convert cleared\n");
|
|
|
|
if (bx_dbg.keyboard)
|
|
bx_printf("KBD: gen_scancode(): scancode: %08x\n", (unsigned) key);
|
|
|
|
// Ignore scancode if keyboard clock is driven low
|
|
if (BX_KEY_THIS s.kbd_controller.kbd_clock_enabled==0)
|
|
return;
|
|
|
|
// Ignore scancode if scanning is disabled
|
|
if (BX_KEY_THIS s.kbd_internal_buffer.scanning_enabled==0)
|
|
return;
|
|
|
|
// should deal with conversions from KSCAN to system scan codes here
|
|
|
|
switch (key & 0xff) {
|
|
case BX_KEY_CTRL_L: scancode = 0x1d; break;
|
|
case BX_KEY_CTRL_R: scancode = 0x1d; break;
|
|
case BX_KEY_SHIFT_L: scancode = 0x2a; break;
|
|
case BX_KEY_SHIFT_R: scancode = 0x36; break;
|
|
case BX_KEY_ESC: scancode = 0x01; break;
|
|
|
|
case BX_KEY_ALT_L: scancode = 0x38; break;
|
|
|
|
case BX_KEY_A: scancode = 0x1e; break;
|
|
case BX_KEY_B: scancode = 0x30; break;
|
|
case BX_KEY_C: scancode = 0x2e; break;
|
|
case BX_KEY_D: scancode = 0x20; break;
|
|
case BX_KEY_E: scancode = 0x12; break;
|
|
case BX_KEY_F: scancode = 0x21; break;
|
|
case BX_KEY_G: scancode = 0x22; break;
|
|
case BX_KEY_H: scancode = 0x23; break;
|
|
case BX_KEY_I: scancode = 0x17; break;
|
|
case BX_KEY_J: scancode = 0x24; break;
|
|
case BX_KEY_K: scancode = 0x25; break;
|
|
case BX_KEY_L: scancode = 0x26; break;
|
|
case BX_KEY_M: scancode = 0x32; break;
|
|
case BX_KEY_N: scancode = 0x31; break;
|
|
case BX_KEY_O: scancode = 0x18; break;
|
|
case BX_KEY_P: scancode = 0x19; break;
|
|
case BX_KEY_Q: scancode = 0x10; break;
|
|
case BX_KEY_R: scancode = 0x13; break;
|
|
case BX_KEY_S: scancode = 0x1f; break;
|
|
case BX_KEY_T: scancode = 0x14; break;
|
|
case BX_KEY_U: scancode = 0x16; break;
|
|
case BX_KEY_V: scancode = 0x2f; break;
|
|
case BX_KEY_W: scancode = 0x11; break;
|
|
case BX_KEY_X: scancode = 0x2d; break;
|
|
case BX_KEY_Y: scancode = 0x15; break;
|
|
case BX_KEY_Z: scancode = 0x2c; break;
|
|
|
|
case BX_KEY_0: scancode = 0x0b; break;
|
|
case BX_KEY_1: scancode = 0x02; break;
|
|
case BX_KEY_2: scancode = 0x03; break;
|
|
case BX_KEY_3: scancode = 0x04; break;
|
|
case BX_KEY_4: scancode = 0x05; break;
|
|
case BX_KEY_5: scancode = 0x06; break;
|
|
case BX_KEY_6: scancode = 0x07; break;
|
|
case BX_KEY_7: scancode = 0x08; break;
|
|
case BX_KEY_8: scancode = 0x09; break;
|
|
case BX_KEY_9: scancode = 0x0a; break;
|
|
|
|
case BX_KEY_SPACE: scancode = 0x39; break;
|
|
case BX_KEY_SINGLE_QUOTE: scancode = 0x28; break;
|
|
case BX_KEY_COMMA: scancode = 0x33; break;
|
|
case BX_KEY_PERIOD: scancode = 0x34; break;
|
|
case BX_KEY_SLASH: scancode = 0x35; break;
|
|
|
|
case BX_KEY_SEMICOLON: scancode = 0x27; break;
|
|
case BX_KEY_EQUALS: scancode = 0x0d; break;
|
|
|
|
case BX_KEY_LEFT_BRACKET: scancode = 0x1a; break;
|
|
case BX_KEY_BACKSLASH: scancode = 0x2b; break;
|
|
case BX_KEY_RIGHT_BRACKET: scancode = 0x1b; break;
|
|
case BX_KEY_MINUS: scancode = 0x0c; break;
|
|
case BX_KEY_GRAVE: scancode = 0x29; break;
|
|
|
|
case BX_KEY_BACKSPACE: scancode = 0x0e; break;
|
|
case BX_KEY_ENTER: scancode = 0x1c; break;
|
|
case BX_KEY_TAB: scancode = 0x0f; break;
|
|
|
|
case BX_KEY_LEFT:
|
|
//fprintf(stderr,"# Grey left-arrow key not on 83-key keyboard\n");
|
|
scancode = 0x4b; break;
|
|
case BX_KEY_RIGHT:
|
|
//fprintf(stderr,"# Grey right-arrow key not on 83-key keyboard\n");
|
|
scancode = 0x4d; break;
|
|
case BX_KEY_UP:
|
|
//fprintf(stderr,"# Grey up-arrow key not on 83-key keyboard\n");
|
|
scancode = 0x48; break;
|
|
case BX_KEY_DOWN:
|
|
//fprintf(stderr,"# Grey down-arrow key not on 83-key keyboard\n");
|
|
scancode = 0x50; break;
|
|
|
|
case BX_KEY_KP_LEFT: scancode = 0x4b; break;
|
|
case BX_KEY_KP_RIGHT: scancode = 0x4d; break;
|
|
case BX_KEY_KP_UP: scancode = 0x48; break;
|
|
case BX_KEY_KP_DOWN: scancode = 0x50; break;
|
|
|
|
case BX_KEY_INSERT:
|
|
fprintf(stderr,"# Grey insert key not on 83-key keyboard\n");
|
|
return;
|
|
case BX_KEY_DELETE:
|
|
fprintf(stderr,"# Grey delete key not on 83-key keyboard\n");
|
|
return;
|
|
case BX_KEY_HOME:
|
|
fprintf(stderr,"# Grey home key not on 83-key keyboard\n");
|
|
return;
|
|
case BX_KEY_END:
|
|
fprintf(stderr,"# Grey end key not on 83-key keyboard\n");
|
|
return;
|
|
case BX_KEY_PAGE_UP:
|
|
fprintf(stderr,"# Grey page-up key not on 83-key keyboard\n");
|
|
return;
|
|
case BX_KEY_PAGE_DOWN:
|
|
fprintf(stderr,"# Grey page-down key not on 83-key keyboard\n");
|
|
return;
|
|
|
|
case BX_KEY_KP_INSERT: scancode = 0x52; break;
|
|
case BX_KEY_KP_DELETE: scancode = 0x53; break;
|
|
case BX_KEY_KP_HOME: scancode = 0x47; break;
|
|
case BX_KEY_KP_END: scancode = 0x4f; break;
|
|
case BX_KEY_KP_PAGE_UP: scancode = 0x49; break;
|
|
case BX_KEY_KP_PAGE_DOWN: scancode = 0x51; break;
|
|
|
|
case BX_KEY_KP_ADD: scancode = 0x4e; break;
|
|
case BX_KEY_KP_SUBTRACT: scancode = 0x4a; break;
|
|
case BX_KEY_KP_5: scancode = 0x4c; break;
|
|
case BX_KEY_KP_ENTER:
|
|
fprintf(stderr,"# Grey Enter key not on 83-key keyboard\n");
|
|
return;
|
|
case BX_KEY_KP_MULTIPLY:
|
|
fprintf(stderr,"# Grey Multiply key not on 83-key keyboard\n");
|
|
return;
|
|
case BX_KEY_KP_DIVIDE:
|
|
fprintf(stderr,"# Grey Divide key not on 83-key keyboard\n");
|
|
return;
|
|
case BX_KEY_NUM_LOCK: scancode = 0x45; break;
|
|
|
|
case BX_KEY_F1: scancode = 0x3b; break;
|
|
case BX_KEY_F2: scancode = 0x3c; break;
|
|
case BX_KEY_F3: scancode = 0x3d; break;
|
|
case BX_KEY_F4: scancode = 0x3e; break;
|
|
case BX_KEY_F5: scancode = 0x3f; break;
|
|
case BX_KEY_F6: scancode = 0x40; break;
|
|
case BX_KEY_F7: scancode = 0x41; break;
|
|
case BX_KEY_F8: scancode = 0x42; break;
|
|
case BX_KEY_F9: scancode = 0x43; break;
|
|
case BX_KEY_F10: scancode = 0x44; break;
|
|
|
|
default:
|
|
fprintf(stderr, "# bx_keyb_c::gen_scancode : Unhandled %u\n",
|
|
(unsigned) key);
|
|
return;
|
|
}
|
|
if (key & BX_KEY_RELEASED)
|
|
scancode |= 0x80;
|
|
kbd_enQ(scancode);
|
|
}
|
|
|
|
|
|
|
|
void
|
|
bx_keyb_c::set_kbd_clock_enable(Bit8u value)
|
|
{
|
|
Boolean prev_kbd_clock_enabled;
|
|
|
|
if (value==0) {
|
|
BX_KEY_THIS s.kbd_controller.kbd_clock_enabled = 0;
|
|
}
|
|
else {
|
|
/* is another byte waiting to be sent from the keyboard ? */
|
|
prev_kbd_clock_enabled = BX_KEY_THIS s.kbd_controller.kbd_clock_enabled;
|
|
BX_KEY_THIS s.kbd_controller.kbd_clock_enabled = 1;
|
|
|
|
if (prev_kbd_clock_enabled==0 && BX_KEY_THIS s.kbd_controller.outb==0) {
|
|
activate_timer();
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
void
|
|
bx_keyb_c::set_aux_clock_enable(Bit8u value)
|
|
{
|
|
Boolean prev_aux_clock_enabled;
|
|
|
|
if (bx_dbg.keyboard)
|
|
bx_printf("set_aux_clock_enable(%u)\n", (unsigned) value);
|
|
if (value==0) {
|
|
BX_KEY_THIS s.kbd_controller.aux_clock_enabled = 0;
|
|
}
|
|
else {
|
|
/* is another byte waiting to be sent from the keyboard ? */
|
|
prev_aux_clock_enabled = BX_KEY_THIS s.kbd_controller.aux_clock_enabled;
|
|
BX_KEY_THIS s.kbd_controller.aux_clock_enabled = 1;
|
|
if (prev_aux_clock_enabled==0 && BX_KEY_THIS s.kbd_controller.outb==0)
|
|
activate_timer();
|
|
}
|
|
}
|
|
|
|
Bit8u
|
|
bx_keyb_c::get_kbd_enable(void)
|
|
{
|
|
#ifdef BX_DEBUG
|
|
if (bx_dbg.keyboard)
|
|
bx_printf("KBD: get_kbd_enable(): getting kbd_clock_enabled of: %02x\n",
|
|
(unsigned) BX_KEY_THIS s.kbd_controller.kbd_clock_enabled);
|
|
#endif
|
|
|
|
return(BX_KEY_THIS s.kbd_controller.kbd_clock_enabled);
|
|
}
|
|
|
|
void
|
|
bx_keyb_c::controller_enQ(Bit8u data, unsigned source)
|
|
{
|
|
// source is 0 for keyboard, 1 for mouse
|
|
|
|
if (bx_dbg.keyboard)
|
|
bx_printf("controller_enQ(%02x)\n", (unsigned) data);
|
|
|
|
if (BX_KEY_THIS s.kbd_controller.outb)
|
|
bx_printf("KBD: controller_enQ(): OUTB set!\n");
|
|
|
|
// see if we need to Q this byte from the controller
|
|
if (BX_KEY_THIS s.kbd_controller.outb) {
|
|
if (BX_KEY_THIS s.controller_Qsize >= BX_KBD_CONTROLLER_QSIZE)
|
|
bx_panic("KBD: controller_enq(): controller_Q full!\n");
|
|
BX_KEY_THIS s.controller_Q[BX_KEY_THIS s.controller_Qsize++] = data;
|
|
BX_KEY_THIS s.controller_Qsource = source;
|
|
return;
|
|
}
|
|
|
|
if (source == 0) { // keyboard
|
|
BX_KEY_THIS s.kbd_controller.kbd_output_buffer = data;
|
|
BX_KEY_THIS s.kbd_controller.outb = 1;
|
|
BX_KEY_THIS s.kbd_controller.auxb = 0;
|
|
BX_KEY_THIS s.kbd_controller.inpb = 0;
|
|
if (BX_KEY_THIS s.kbd_controller.allow_irq1)
|
|
BX_KEY_THIS s.kbd_controller.irq1_requested = 1;
|
|
}
|
|
else { // mouse
|
|
BX_KEY_THIS s.kbd_controller.aux_output_buffer = data;
|
|
BX_KEY_THIS s.kbd_controller.outb = 1;
|
|
BX_KEY_THIS s.kbd_controller.auxb = 1;
|
|
BX_KEY_THIS s.kbd_controller.inpb = 0;
|
|
if (BX_KEY_THIS s.kbd_controller.allow_irq12)
|
|
BX_KEY_THIS s.kbd_controller.irq12_requested = 1;
|
|
}
|
|
}
|
|
|
|
void
|
|
bx_keyb_c::kbd_enQ_imm(Bit8u val)
|
|
{
|
|
int tail;
|
|
|
|
if (BX_KEY_THIS s.kbd_internal_buffer.num_elements >= BX_KBD_ELEMENTS) {
|
|
bx_panic("KBD: internal keyboard buffer full (imm)\n");
|
|
return;
|
|
}
|
|
|
|
/* enqueue scancode in multibyte internal keyboard buffer */
|
|
tail = (BX_KEY_THIS s.kbd_internal_buffer.head + BX_KEY_THIS s.kbd_internal_buffer.num_elements) %
|
|
BX_KBD_ELEMENTS;
|
|
|
|
BX_KEY_THIS s.kbd_controller.kbd_output_buffer = val;
|
|
BX_KEY_THIS s.kbd_controller.outb = 1;
|
|
|
|
if (BX_KEY_THIS s.kbd_controller.allow_irq1)
|
|
BX_KEY_THIS s.kbd_controller.irq1_requested = 1;
|
|
}
|
|
|
|
|
|
void
|
|
bx_keyb_c::kbd_enQ(Bit8u scancode)
|
|
{
|
|
int tail;
|
|
|
|
if (bx_dbg.keyboard)
|
|
bx_printf("enQ(%02x)\n", (unsigned) scancode);
|
|
|
|
if (BX_KEY_THIS s.kbd_internal_buffer.num_elements >= BX_KBD_ELEMENTS) {
|
|
bx_printf("KBD: internal keyboard buffer full, ignoring scancode.(%02x)\n",
|
|
(unsigned) scancode);
|
|
return;
|
|
}
|
|
|
|
/* enqueue scancode in multibyte internal keyboard buffer */
|
|
if (bx_dbg.keyboard)
|
|
bx_printf("KBD: enQ: putting scancode %02x in internal buffer\n",
|
|
(unsigned) scancode);
|
|
tail = (BX_KEY_THIS s.kbd_internal_buffer.head + BX_KEY_THIS s.kbd_internal_buffer.num_elements) %
|
|
BX_KBD_ELEMENTS;
|
|
BX_KEY_THIS s.kbd_internal_buffer.buffer[tail] = scancode;
|
|
BX_KEY_THIS s.kbd_internal_buffer.num_elements++;
|
|
|
|
if (!BX_KEY_THIS s.kbd_controller.outb && BX_KEY_THIS s.kbd_controller.kbd_clock_enabled) {
|
|
activate_timer();
|
|
//fprintf(stderr, "# activating timer...\n");
|
|
return;
|
|
}
|
|
//fprintf(stderr, "# not activating timer...\n");
|
|
//fprintf(stderr, "# allow_irq1 = %u\n", (unsigned) BX_KEY_THIS s.kbd_controller.allow_irq1);
|
|
//fprintf(stderr, "# outb = %u\n", (unsigned) BX_KEY_THIS s.kbd_controller.outb);
|
|
//fprintf(stderr, "# clock_enab = %u\n", (unsigned) BX_KEY_THIS s.kbd_controller.kbd_clock_enabled);
|
|
//fprintf(stderr, "# out_buffer = %u\n", (unsigned) BX_KEY_THIS s.kbd_controller.kbd_output_buffer);
|
|
}
|
|
|
|
Boolean
|
|
bx_keyb_c::mouse_enQ_packet(Bit8u b1, Bit8u b2, Bit8u b3)
|
|
{
|
|
if ((BX_KEY_THIS s.mouse_internal_buffer.num_elements + 3) >= BX_MOUSE_BUFF_SIZE) {
|
|
return(0); /* buffer doesn't have the space */
|
|
}
|
|
|
|
//bx_printf("mouse: enQ_packet(%02x, %02x, %02x)\n",
|
|
// (unsigned) b1, (unsigned) b2, (unsigned) b3);
|
|
|
|
mouse_enQ(b1);
|
|
mouse_enQ(b2);
|
|
mouse_enQ(b3);
|
|
return(1);
|
|
}
|
|
|
|
|
|
void
|
|
bx_keyb_c::mouse_enQ(Bit8u mouse_data)
|
|
{
|
|
int tail;
|
|
|
|
if (bx_dbg.mouse)
|
|
bx_printf("mouse_enQ(%02x)\n", (unsigned) mouse_data);
|
|
|
|
if (BX_KEY_THIS s.mouse_internal_buffer.num_elements >= BX_MOUSE_BUFF_SIZE) {
|
|
bx_printf("mouse: internal mouse buffer full, ignoring mouse data.(%02x)\n",
|
|
(unsigned) mouse_data);
|
|
return;
|
|
}
|
|
//fprintf(stderr, "# mouse_enq() aux_clock_enabled = %u\n",
|
|
// (unsigned) BX_KEY_THIS s.kbd_controller.aux_clock_enabled);
|
|
|
|
/* enqueue mouse data in multibyte internal mouse buffer */
|
|
tail = (BX_KEY_THIS s.mouse_internal_buffer.head + BX_KEY_THIS s.mouse_internal_buffer.num_elements) %
|
|
BX_MOUSE_BUFF_SIZE;
|
|
BX_KEY_THIS s.mouse_internal_buffer.buffer[tail] = mouse_data;
|
|
BX_KEY_THIS s.mouse_internal_buffer.num_elements++;
|
|
|
|
if (!BX_KEY_THIS s.kbd_controller.outb && BX_KEY_THIS s.kbd_controller.aux_clock_enabled) {
|
|
activate_timer();
|
|
//fprintf(stderr, "# activating timer...\n");
|
|
return;
|
|
}
|
|
//fprintf(stderr, "# not activating timer...\n");
|
|
//fprintf(stderr, "# allow_irq12= %u\n", (unsigned) BX_KEY_THIS s.kbd_controller.allow_irq12);
|
|
//fprintf(stderr, "# outb = %u\n", (unsigned) BX_KEY_THIS s.kbd_controller.outb);
|
|
//fprintf(stderr, "# clock_enab = %u\n", (unsigned) BX_KEY_THIS s.kbd_controller.aux_clock_enabled);
|
|
//fprintf(stderr, "# out_buffer = %u\n", (unsigned) BX_KEY_THIS s.kbd_controller.aux_output_buffer);
|
|
}
|
|
|
|
void
|
|
bx_keyb_c::kbd_ctrl_to_kbd(Bit8u value)
|
|
{
|
|
if (bx_dbg.keyboard)
|
|
bx_printf("KBD: controller passed byte %02xh to keyboard\n");
|
|
|
|
if (BX_KEY_THIS s.kbd_internal_buffer.expecting_typematic) {
|
|
BX_KEY_THIS s.kbd_internal_buffer.expecting_typematic = 0;
|
|
BX_KEY_THIS s.kbd_internal_buffer.delay = (value >> 5) & 0x03;
|
|
switch (BX_KEY_THIS s.kbd_internal_buffer.delay) {
|
|
case 0: bx_printf("KBD: setting delay to 250 mS\n"); break;
|
|
case 1: bx_printf("KBD: setting delay to 250 mS\n"); break;
|
|
case 2: bx_printf("KBD: setting delay to 250 mS\n"); break;
|
|
case 3: bx_printf("KBD: setting delay to 250 mS\n"); break;
|
|
}
|
|
BX_KEY_THIS s.kbd_internal_buffer.repeat_rate = value & 0x1f;
|
|
bx_printf("KBD: setting repeat rate to %u\n", (unsigned) value);
|
|
kbd_enQ(0xFA); // send ACK
|
|
return;
|
|
}
|
|
|
|
if (BX_KEY_THIS s.kbd_internal_buffer.expecting_led_write) {
|
|
BX_KEY_THIS s.kbd_internal_buffer.expecting_led_write = 0;
|
|
BX_KEY_THIS s.kbd_internal_buffer.led_status = value;
|
|
bx_printf("KBD: LED status set to %02x\n",
|
|
(unsigned) BX_KEY_THIS s.kbd_internal_buffer.led_status);
|
|
kbd_enQ(0xFA); // send ACK %%%
|
|
return;
|
|
}
|
|
|
|
switch (value) {
|
|
case 0x00: // ??? ignore and let OS timeout with no response
|
|
kbd_enQ(0xFA); // send ACK %%%
|
|
return;
|
|
break;
|
|
|
|
case 0x05: // ???
|
|
// (mch) trying to get this to work...
|
|
BX_KEY_THIS s.kbd_controller.sysf = 1;
|
|
kbd_enQ_imm(0xfe);
|
|
return;
|
|
break;
|
|
|
|
case 0xed: // LED Write
|
|
BX_KEY_THIS s.kbd_internal_buffer.expecting_led_write = 1;
|
|
kbd_enQ(0xFA); // send ACK %%%
|
|
return;
|
|
break;
|
|
|
|
case 0xee: // echo
|
|
kbd_enQ(0xEE); // return same byte (EEh) as echo diagnostic
|
|
return;
|
|
break;
|
|
|
|
case 0xf2: // identify keyboard
|
|
bx_printf("KBD: identify keyboard command received\n");
|
|
kbd_enQ(0xFA); // AT sends ACK, MFII sends ACK+ABh+41h
|
|
return;
|
|
break;
|
|
|
|
case 0xf3: // typematic info
|
|
BX_KEY_THIS s.kbd_internal_buffer.expecting_typematic = 1;
|
|
bx_printf("KBD: setting typematic info\n");
|
|
kbd_enQ(0xFA); // send ACK
|
|
return;
|
|
break;
|
|
|
|
case 0xf4: // flush scancodes buffer and modes, then enable keyboard
|
|
resetinternals(0);
|
|
kbd_enQ(0xFA); // send ACK
|
|
BX_KEY_THIS s.kbd_internal_buffer.scanning_enabled = 1;
|
|
return;
|
|
break;
|
|
|
|
case 0xf5: // reset keyboard to power-up settings and disable scanning
|
|
resetinternals(1);
|
|
kbd_enQ(0xFA); // send ACK
|
|
BX_KEY_THIS s.kbd_internal_buffer.scanning_enabled = 0;
|
|
bx_printf ("KBD: reset-disable command received\n");
|
|
return;
|
|
break;
|
|
|
|
case 0xf6: // reset keyboard to power-up settings and enable scanning
|
|
resetinternals(1);
|
|
kbd_enQ(0xFA); // send ACK
|
|
BX_KEY_THIS s.kbd_internal_buffer.scanning_enabled = 1;
|
|
bx_printf ("KBD: reset-enable command received\n");
|
|
return;
|
|
break;
|
|
|
|
case 0xf7: // PS/2 Set All Keys To Typematic
|
|
case 0xf8: // PS/2 Set All Keys to Make/Break
|
|
case 0xf9: // PS/2 PS/2 Set All Keys to Make
|
|
case 0xfa: // PS/2 Set All Keys to Typematic Make/Break
|
|
case 0xfb: // PS/2 Set Key Type to Typematic
|
|
case 0xfc: // PS/2 Set Key Type to Make/Break
|
|
case 0xfd: // PS/2 Set Key Type to Make
|
|
// Silently ignore and let the OS timeout, for now.
|
|
// If anyone has code around that makes use of that, I can
|
|
// provide documentation on their behavior (ask core@ggi-project.org)
|
|
return;
|
|
break;
|
|
|
|
case 0xfe: // resend. aiiee.
|
|
bx_panic ("KBD: got 0xFE (resend)\n");
|
|
return;
|
|
break;
|
|
|
|
case 0xff: // reset: internal keyboard reset and afterwards the BAT
|
|
bx_printf("KBD: rest command received\n");
|
|
kbd_enQ(0xFA); // send ACK
|
|
kbd_enQ(0xAA); // BAT test passed
|
|
return;
|
|
break;
|
|
|
|
case 0xd3:
|
|
kbd_enQ(0xfa);
|
|
return;
|
|
|
|
default:
|
|
bx_panic("KBD: kbd_ctrl_to_kbd(): got value of %02x\n",
|
|
(unsigned) value);
|
|
kbd_enQ(0xFA); /* send ACK ??? */
|
|
return;
|
|
break;
|
|
}
|
|
}
|
|
|
|
unsigned
|
|
bx_keyb_c::periodic( Bit32u usec_delta )
|
|
{
|
|
static int multiple=0;
|
|
Bit8u retval;
|
|
|
|
UNUSED( usec_delta );
|
|
|
|
if ( ++multiple==10)
|
|
{
|
|
multiple=0;
|
|
bx_gui.handle_events();
|
|
}
|
|
retval = BX_KEY_THIS s.kbd_controller.irq1_requested | (BX_KEY_THIS s.kbd_controller.irq12_requested << 1);
|
|
BX_KEY_THIS s.kbd_controller.irq1_requested = 0;
|
|
BX_KEY_THIS s.kbd_controller.irq12_requested = 0;
|
|
|
|
if ( BX_KEY_THIS s.kbd_controller.timer_pending == 0 ) {
|
|
return(retval);
|
|
}
|
|
|
|
if ( usec_delta >= BX_KEY_THIS s.kbd_controller.timer_pending ) {
|
|
BX_KEY_THIS s.kbd_controller.timer_pending = 0;
|
|
}
|
|
else {
|
|
BX_KEY_THIS s.kbd_controller.timer_pending -= usec_delta;
|
|
return(retval);
|
|
}
|
|
|
|
if (BX_KEY_THIS s.kbd_controller.outb) {
|
|
return(retval);
|
|
}
|
|
|
|
/* nothing in outb, look for possible data xfer from keyboard or mouse */
|
|
if (BX_KEY_THIS s.kbd_controller.kbd_clock_enabled && BX_KEY_THIS s.kbd_internal_buffer.num_elements) {
|
|
//fprintf(stderr, "# servicing keyboard code\n");
|
|
if (bx_dbg.keyboard)
|
|
bx_printf("KBD: service_keyboard: key in internal buffer waiting\n");
|
|
BX_KEY_THIS s.kbd_controller.kbd_output_buffer =
|
|
BX_KEY_THIS s.kbd_internal_buffer.buffer[BX_KEY_THIS s.kbd_internal_buffer.head];
|
|
BX_KEY_THIS s.kbd_controller.outb = 1;
|
|
BX_KEY_THIS s.kbd_controller.auxb = 0;
|
|
//fprintf(stderr, "# ___kbd::periodic kbd\n");
|
|
BX_KEY_THIS s.kbd_internal_buffer.head = (BX_KEY_THIS s.kbd_internal_buffer.head + 1) %
|
|
BX_KBD_ELEMENTS;
|
|
BX_KEY_THIS s.kbd_internal_buffer.num_elements--;
|
|
if (BX_KEY_THIS s.kbd_controller.allow_irq1)
|
|
BX_KEY_THIS s.kbd_controller.irq1_requested = 1;
|
|
}
|
|
else if (BX_KEY_THIS s.kbd_controller.aux_clock_enabled && BX_KEY_THIS s.mouse_internal_buffer.num_elements) {
|
|
//fprintf(stderr, "# servicing mouse code\n");
|
|
if (bx_dbg.mouse)
|
|
bx_printf("KBD: service_keyboard: key in internal buffer waiting\n");
|
|
BX_KEY_THIS s.kbd_controller.aux_output_buffer =
|
|
BX_KEY_THIS s.mouse_internal_buffer.buffer[BX_KEY_THIS s.mouse_internal_buffer.head];
|
|
|
|
BX_KEY_THIS s.kbd_controller.outb = 1;
|
|
BX_KEY_THIS s.kbd_controller.auxb = 1;
|
|
//fprintf(stderr, "# ___kbd:periodic aux\n");
|
|
BX_KEY_THIS s.mouse_internal_buffer.head = (BX_KEY_THIS s.mouse_internal_buffer.head + 1) %
|
|
BX_MOUSE_BUFF_SIZE;
|
|
BX_KEY_THIS s.mouse_internal_buffer.num_elements--;
|
|
//fprintf(stderr, "# allow12 = %u\n", (unsigned) BX_KEY_THIS s.kbd_controller.allow_irq12);
|
|
if (BX_KEY_THIS s.kbd_controller.allow_irq12)
|
|
BX_KEY_THIS s.kbd_controller.irq12_requested = 1;
|
|
}
|
|
else {
|
|
//fprintf(stderr, "# servicing no code\n");
|
|
if (bx_dbg.keyboard) {
|
|
bx_printf("KBD: service_keyboard(): no keys waiting\n");
|
|
}
|
|
}
|
|
return(retval);
|
|
}
|
|
|
|
|
|
|
|
|
|
void
|
|
bx_keyb_c::activate_timer(void)
|
|
{
|
|
if (BX_KEY_THIS s.kbd_controller.timer_pending == 0) {
|
|
BX_KEY_THIS s.kbd_controller.timer_pending = bx_options.keyboard_serial_delay;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
void
|
|
bx_keyb_c::kbd_ctrl_to_mouse(Bit8u value)
|
|
{
|
|
bx_printf("MOUSE: kbd_ctrl_to_mouse(%02xh)\n", (unsigned) value);
|
|
bx_printf(" enable = %u\n", (unsigned) BX_KEY_THIS s.mouse.enable);
|
|
bx_printf(" allow_irq12 = %u\n",
|
|
(unsigned) BX_KEY_THIS s.kbd_controller.allow_irq12);
|
|
bx_printf(" aux_clock_enabled = %u\n",
|
|
(unsigned) BX_KEY_THIS s.kbd_controller.aux_clock_enabled);
|
|
//fprintf(stderr, "# MOUSE: kbd_ctrl_to_mouse(%02xh)\n", (unsigned) value);
|
|
|
|
// an ACK (0xFA) is always the first response to any valid input
|
|
// received from the system other than Set-Wrap-Mode & Resend-Command
|
|
|
|
|
|
if (BX_KEY_THIS s.kbd_controller.expecting_mouse_parameter) {
|
|
BX_KEY_THIS s.kbd_controller.expecting_mouse_parameter = 0;
|
|
switch (BX_KEY_THIS s.kbd_controller.last_mouse_command) {
|
|
case 0xf3: // Set Mouse Sample Rate
|
|
BX_KEY_THIS s.mouse.sample_rate = value;
|
|
if (bx_dbg.mouse)
|
|
bx_printf("[mouse] Sampling rate set: %d Hz\n", value);
|
|
controller_enQ(0xFA, 1); // ack
|
|
break;
|
|
|
|
case 0xe8: // Set Mouse Resolution
|
|
switch (value) {
|
|
case 0:
|
|
BX_KEY_THIS s.mouse.resolution_cpmm = 1;
|
|
break;
|
|
case 1:
|
|
BX_KEY_THIS s.mouse.resolution_cpmm = 2;
|
|
break;
|
|
case 2:
|
|
BX_KEY_THIS s.mouse.resolution_cpmm = 4;
|
|
break;
|
|
case 3:
|
|
BX_KEY_THIS s.mouse.resolution_cpmm = 8;
|
|
break;
|
|
default:
|
|
bx_panic("[mouse] Unknown resolution %d\n", value);
|
|
break;
|
|
}
|
|
if (bx_dbg.mouse)
|
|
bx_printf("[mouse] Resolution set to %d counts per mm\n",
|
|
BX_KEY_THIS s.mouse.resolution_cpmm);
|
|
|
|
controller_enQ(0xFA, 1); // ack
|
|
break;
|
|
|
|
default:
|
|
bx_panic("MOUSE: unknown last command (%02xh)\n", (unsigned) BX_KEY_THIS s.kbd_controller.last_mouse_command);
|
|
}
|
|
} else {
|
|
BX_KEY_THIS s.kbd_controller.expecting_mouse_parameter = 0;
|
|
BX_KEY_THIS s.kbd_controller.last_mouse_command = value;
|
|
switch ( value ) {
|
|
case 0xe6: // Set Mouse Scaling to 1:1
|
|
controller_enQ(0xFA, 1); // ACK
|
|
BX_KEY_THIS s.mouse.scaling = 2;
|
|
if (bx_dbg.mouse)
|
|
bx_printf("[mouse] Scaling set to 1:1\n");
|
|
break;
|
|
|
|
case 0xe7: // Set Mouse Scaling to 2:1
|
|
controller_enQ(0xFA, 1); // ACK
|
|
BX_KEY_THIS s.mouse.scaling = 2;
|
|
if (bx_dbg.mouse)
|
|
bx_printf("[mouse] Scaling set to 2:1\n");
|
|
break;
|
|
|
|
case 0xe8: // Set Mouse Resolution
|
|
controller_enQ(0xFA, 1); // ACK
|
|
BX_KEY_THIS s.kbd_controller.expecting_mouse_parameter = 1;
|
|
break;
|
|
|
|
case 0xf2: // Read Device Type
|
|
controller_enQ(0xFA, 1); // ACK
|
|
controller_enQ(0x00, 1); // Device ID
|
|
if (bx_dbg.mouse)
|
|
bx_printf("[mouse] Read mouse ID\n");
|
|
break;
|
|
|
|
case 0xf3: // Set Mouse Sample Rate (sample rate written to port 60h)
|
|
controller_enQ(0xFA, 1); // ACK
|
|
BX_KEY_THIS s.kbd_controller.expecting_mouse_parameter = 1;
|
|
break;
|
|
|
|
case 0xf4: // Enable (in stream mode)
|
|
BX_KEY_THIS s.mouse.enable = 1;
|
|
controller_enQ(0xFA, 1); // ACK
|
|
if (bx_dbg.mouse)
|
|
bx_printf("[mouse] Mouse enabled (stream mode)\n");
|
|
break;
|
|
|
|
case 0xf5: // Disable (in stream mode)
|
|
BX_KEY_THIS s.mouse.enable = 0;
|
|
controller_enQ(0xFA, 1); // ACK
|
|
if (bx_dbg.mouse)
|
|
bx_printf("[mouse] Mouse disabled (stream mode)\n");
|
|
break;
|
|
|
|
case 0xf6: // Set Defaults
|
|
BX_KEY_THIS s.mouse.sample_rate = 100; /* reports per second (default) */
|
|
BX_KEY_THIS s.mouse.resolution_cpmm = 4; /* 4 counts per millimeter (default) */
|
|
BX_KEY_THIS s.mouse.scaling = 1; /* 1:1 (default) */
|
|
BX_KEY_THIS s.mouse.enable = 0;
|
|
BX_KEY_THIS s.mouse.mode = MOUSE_MODE_STREAM;
|
|
controller_enQ(0xFA, 1); // ACK
|
|
if (bx_dbg.mouse)
|
|
bx_printf("[mouse] Set Defaults\n");
|
|
break;
|
|
|
|
case 0xff: // Reset
|
|
BX_KEY_THIS s.mouse.sample_rate = 100; /* reports per second (default) */
|
|
BX_KEY_THIS s.mouse.resolution_cpmm = 4; /* 4 counts per millimeter (default) */
|
|
BX_KEY_THIS s.mouse.scaling = 1; /* 1:1 (default) */
|
|
BX_KEY_THIS s.mouse.mode = MOUSE_MODE_RESET;
|
|
BX_KEY_THIS s.mouse.enable = 0;
|
|
/* (mch) NT expects an ack here */
|
|
controller_enQ(0xFA, 1); // ACK
|
|
controller_enQ(0xAA, 1); // completion code
|
|
controller_enQ(0x00, 1); // ID code (normal mouse, wheelmouse has id 0x3)
|
|
if (bx_dbg.mouse)
|
|
bx_printf("[mouse] Mouse reset\n");
|
|
break;
|
|
|
|
case 0xe9: // Get mouse information
|
|
// should we ack here? (mch): Yes
|
|
controller_enQ(0xFA, 1); // ACK
|
|
controller_enQ(BX_KEY_THIS s.mouse.get_status_byte(), 1); // status
|
|
controller_enQ(BX_KEY_THIS s.mouse.get_resolution_byte(), 1); // resolution
|
|
controller_enQ(BX_KEY_THIS s.mouse.sample_rate, 1); // sample rate
|
|
if (bx_dbg.mouse)
|
|
bx_printf("[mouse] Get mouse information\n");
|
|
break;
|
|
|
|
case 0xeb: // Read Data (send a packet when in Remote Mode)
|
|
controller_enQ(0xFA, 1); // ACK
|
|
mouse_enQ_packet( ((BX_KEY_THIS s.mouse.button_status & 0x0f) | 0x08),
|
|
0x00, 0x00 ); // bit3 of first byte always set
|
|
//assumed we really aren't in polling mode, a rather odd assumption.
|
|
bx_printf("[mouse] Warning: Read Data command partially supported.\n");
|
|
break;
|
|
|
|
default:
|
|
//EAh Set Stream Mode
|
|
//ECh Reset Wrap Mode
|
|
//EEh Set Wrap Mode
|
|
//F0h Set Remote Mode (polling mode, i.e. not stream mode.)
|
|
//FEh Resend
|
|
bx_panic("MOUSE: kbd_ctrl_to_mouse(%02xh)\n", (unsigned) value);
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
bx_keyb_c::mouse_motion(int delta_x, int delta_y, unsigned button_state)
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{
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Bit8u b1, b2, b3;
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// If mouse events are disabled on the GUI headerbar, don't
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// generate any mouse data
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if (bx_options.mouse_enabled==0)
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return;
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|
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if ( BX_KEY_THIS s.mouse.enable==0 )
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return;
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|
|
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// scale down the motion
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if ( (delta_x < -1) || (delta_x > 1) )
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|
delta_x /= 2;
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|
if ( (delta_y < -1) || (delta_y > 1) )
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|
delta_y /= 2;
|
|
|
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#ifdef VERBOSE_KBD_DEBUG
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if (delta_x != 0 || delta_y != 0)
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bx_printf("[mouse] Dx=%d Dy=%d\n", delta_x, delta_y);
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#endif /* ifdef VERBOSE_KBD_DEBUG */
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|
|
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b1 = (button_state & 0x0f) | 0x08; // bit3 always set
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|
|
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BX_KEY_THIS s.mouse.button_status = button_state & 0x3;
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|
|
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if ( (delta_x>=0) && (delta_x<=255) ) {
|
|
b2 = delta_x;
|
|
}
|
|
else if ( delta_x > 255 ) {
|
|
b2 = 0xff;
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|
}
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else if ( delta_x >= -256 ) {
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|
b2 = delta_x;
|
|
b1 |= 0x10;
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|
}
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|
else {
|
|
b2 = 0x00;
|
|
b1 |= 0x10;
|
|
}
|
|
|
|
if ( (delta_y>=0) && (delta_y<=255) ) {
|
|
b3 = delta_y;
|
|
}
|
|
else if ( delta_y > 255 ) {
|
|
b3 = 0xff;
|
|
}
|
|
else if ( delta_y >= -256 ) {
|
|
b3 = delta_y;
|
|
b1 |= 0x20;
|
|
}
|
|
else {
|
|
b3 = 0x00;
|
|
b1 |= 0x20;
|
|
}
|
|
mouse_enQ_packet(b1, b2, b3);
|
|
}
|
|
|
|
|
|
void
|
|
bx_keyb_c::put_scancode( unsigned char *code, int count )
|
|
{
|
|
for ( int i = 0 ; i < count ; i++ ) {
|
|
kbd_enQ( code[i] );
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
|
|
int
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|
bx_keyb_c::SaveState( class state_file *fd )
|
|
{
|
|
fd->write_check ("keyboard start");
|
|
fd->write (&BX_KEY_THIS s, sizeof (BX_KEY_THIS s));
|
|
fd->write_check ("keyboard end");
|
|
return(0);
|
|
}
|
|
|
|
|
|
int
|
|
bx_keyb_c::LoadState( class state_file *fd )
|
|
{
|
|
fd->read_check ("keyboard start");
|
|
fd->read (&BX_KEY_THIS s, sizeof (BX_KEY_THIS s));
|
|
fd->read_check ("keyboard end");
|
|
return(0);
|
|
}
|