2001-10-03 17:10:38 +04:00
|
|
|
/////////////////////////////////////////////////////////////////////////
|
2011-02-25 01:05:47 +03:00
|
|
|
// $Id$
|
2001-10-03 17:10:38 +04:00
|
|
|
/////////////////////////////////////////////////////////////////////////
|
|
|
|
//
|
2017-01-26 23:23:13 +03:00
|
|
|
// Copyright (C) 2001-2017 The Bochs Project
|
2001-04-10 05:04:59 +04:00
|
|
|
//
|
|
|
|
// This library is free software; you can redistribute it and/or
|
|
|
|
// modify it under the terms of the GNU Lesser General Public
|
|
|
|
// License as published by the Free Software Foundation; either
|
|
|
|
// version 2 of the License, or (at your option) any later version.
|
|
|
|
//
|
|
|
|
// This library is distributed in the hope that it will be useful,
|
|
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
|
|
// Lesser General Public License for more details.
|
|
|
|
//
|
|
|
|
// You should have received a copy of the GNU Lesser General Public
|
|
|
|
// License along with this library; if not, write to the Free Software
|
2009-02-08 12:05:52 +03:00
|
|
|
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
2001-11-12 04:45:21 +03:00
|
|
|
//
|
|
|
|
////////////////////////////////////////////////////////
|
2008-01-27 01:24:03 +03:00
|
|
|
// This code was just a few stubs until Volker.Ruppert@t-online.de
|
2001-11-12 04:45:21 +03:00
|
|
|
// fixed it up in November 2001.
|
2001-04-10 05:04:59 +04:00
|
|
|
|
|
|
|
|
2002-10-25 01:07:56 +04:00
|
|
|
// Define BX_PLUGGABLE in files that can be compiled into plugins. For
|
2008-01-27 01:24:03 +03:00
|
|
|
// platforms that require a special tag on exported symbols, BX_PLUGGABLE
|
2002-10-25 01:07:56 +04:00
|
|
|
// is used to know when we are exporting symbols and when we are importing.
|
|
|
|
#define BX_PLUGGABLE
|
2001-04-10 05:04:59 +04:00
|
|
|
|
2004-06-19 19:20:15 +04:00
|
|
|
#include "iodev.h"
|
2008-12-29 23:16:08 +03:00
|
|
|
#include "parallel.h"
|
|
|
|
|
2002-10-25 01:07:56 +04:00
|
|
|
#define LOG_THIS theParallelDevice->
|
2001-04-10 05:04:59 +04:00
|
|
|
|
2002-10-25 01:07:56 +04:00
|
|
|
bx_parallel_c *theParallelDevice = NULL;
|
2001-04-10 05:04:59 +04:00
|
|
|
|
2012-04-16 23:17:10 +04:00
|
|
|
// builtin configuration handling functions
|
|
|
|
|
|
|
|
void parport_init_options(void)
|
|
|
|
{
|
|
|
|
char name[4], label[80], descr[80];
|
|
|
|
|
|
|
|
bx_list_c *parallel = (bx_list_c*)SIM->get_param("ports.parallel");
|
|
|
|
for (int i=0; i<BX_N_PARALLEL_PORTS; i++) {
|
|
|
|
sprintf(name, "%d", i+1);
|
|
|
|
sprintf(label, "Parallel Port %d", i+1);
|
|
|
|
bx_list_c *menu = new bx_list_c(parallel, name, label);
|
|
|
|
menu->set_options(menu->SERIES_ASK);
|
|
|
|
sprintf(label, "Enable parallel port #%d", i+1);
|
|
|
|
sprintf(descr, "Controls whether parallel port #%d is installed or not", i+1);
|
|
|
|
bx_param_bool_c *enabled = new bx_param_bool_c(menu, "enabled", label, descr,
|
|
|
|
(i==0)? 1 : 0); // only enable #1 by default
|
|
|
|
sprintf(label, "Parallel port #%d output file", i+1);
|
|
|
|
sprintf(descr, "Data written to parport#%d by the guest OS is written to this file", i+1);
|
2013-01-20 02:37:15 +04:00
|
|
|
bx_param_filename_c *path = new bx_param_filename_c(menu, "file", label, descr,
|
2012-04-16 23:17:10 +04:00
|
|
|
"", BX_PATHNAME_LEN);
|
|
|
|
path->set_extension("out");
|
|
|
|
bx_list_c *deplist = new bx_list_c(NULL);
|
|
|
|
deplist->add(path);
|
|
|
|
enabled->set_dependent_list(deplist);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
Bit32s parport_options_parser(const char *context, int num_params, char *params[])
|
|
|
|
{
|
|
|
|
if ((!strncmp(params[0], "parport", 7)) && (strlen(params[0]) == 8)) {
|
|
|
|
char tmpname[80];
|
|
|
|
int idx = params[0][7];
|
|
|
|
if ((idx < '1') || (idx > '9')) {
|
|
|
|
BX_PANIC(("%s: parportX directive malformed.", context));
|
|
|
|
}
|
|
|
|
idx -= '0';
|
|
|
|
if (idx > BX_N_PARALLEL_PORTS) {
|
|
|
|
BX_PANIC(("%s: parportX port number out of range.", context));
|
|
|
|
}
|
|
|
|
sprintf(tmpname, "ports.parallel.%d", idx);
|
|
|
|
bx_list_c *base = (bx_list_c*) SIM->get_param(tmpname);
|
|
|
|
for (int i=1; i<num_params; i++) {
|
2013-01-26 22:17:23 +04:00
|
|
|
if (SIM->parse_param_from_list(context, params[i], base) < 0) {
|
2012-04-16 23:17:10 +04:00
|
|
|
BX_ERROR(("%s: unknown parameter for parport%d ignored.", context, idx));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
BX_PANIC(("%s: unknown directive '%s'", context, params[0]));
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
Bit32s parport_options_save(FILE *fp)
|
|
|
|
{
|
2013-01-20 02:37:15 +04:00
|
|
|
char pname[20], optname[10];
|
2012-04-16 23:17:10 +04:00
|
|
|
|
|
|
|
for (int i=0; i<BX_N_PARALLEL_PORTS; i++) {
|
|
|
|
sprintf(pname, "ports.parallel.%d", i+1);
|
|
|
|
bx_list_c *base = (bx_list_c*) SIM->get_param(pname);
|
2013-01-20 02:37:15 +04:00
|
|
|
sprintf(optname, "parport%d", i+1);
|
|
|
|
SIM->write_param_list(fp, base, optname, 0);
|
2012-04-16 23:17:10 +04:00
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
// device plugin entry points
|
|
|
|
|
2014-06-08 12:40:08 +04:00
|
|
|
int CDECL libparallel_LTX_plugin_init(plugin_t *plugin, plugintype_t type, int argc, char *argv[])
|
2002-10-25 01:07:56 +04:00
|
|
|
{
|
2006-09-10 21:18:44 +04:00
|
|
|
theParallelDevice = new bx_parallel_c();
|
2002-10-25 01:07:56 +04:00
|
|
|
BX_REGISTER_DEVICE_DEVMODEL(plugin, type, theParallelDevice, BX_PLUGIN_PARALLEL);
|
2012-04-16 23:17:10 +04:00
|
|
|
// add new configuration parameters for the config interface
|
|
|
|
parport_init_options();
|
|
|
|
// register add-on options for bochsrc and command line
|
|
|
|
SIM->register_addon_option("parport1", parport_options_parser, parport_options_save);
|
|
|
|
SIM->register_addon_option("parport2", parport_options_parser, NULL);
|
2013-12-01 22:26:37 +04:00
|
|
|
return 0; // Success
|
2002-10-25 01:07:56 +04:00
|
|
|
}
|
2001-04-10 05:04:59 +04:00
|
|
|
|
2014-06-08 12:40:08 +04:00
|
|
|
void CDECL libparallel_LTX_plugin_fini(void)
|
2002-10-25 01:07:56 +04:00
|
|
|
{
|
2013-12-01 22:26:37 +04:00
|
|
|
char port[10];
|
2012-04-16 23:17:10 +04:00
|
|
|
|
|
|
|
bx_list_c *menu = (bx_list_c*)SIM->get_param("ports.parallel");
|
|
|
|
for (int i=0; i<BX_N_PARALLEL_PORTS; i++) {
|
2013-12-01 22:26:37 +04:00
|
|
|
sprintf(port, "parport%d", i+1);
|
|
|
|
SIM->unregister_addon_option(port);
|
|
|
|
sprintf(port, "%d", i+1);
|
|
|
|
menu->remove(port);
|
2012-04-16 23:17:10 +04:00
|
|
|
}
|
2006-09-10 21:18:44 +04:00
|
|
|
delete theParallelDevice;
|
2002-10-25 01:07:56 +04:00
|
|
|
}
|
2001-04-10 05:04:59 +04:00
|
|
|
|
2012-04-16 23:17:10 +04:00
|
|
|
// the device object
|
|
|
|
|
2006-03-08 00:11:20 +03:00
|
|
|
bx_parallel_c::bx_parallel_c()
|
2001-04-10 05:04:59 +04:00
|
|
|
{
|
2011-12-29 23:51:54 +04:00
|
|
|
put("parallel", "PAR");
|
2004-01-28 00:38:51 +03:00
|
|
|
for (int i=0; i<BX_PARPORT_MAXDEV; i++) {
|
2012-02-05 14:08:56 +04:00
|
|
|
memset(&s[i], 0, sizeof(bx_par_t));
|
2004-01-28 00:38:51 +03:00
|
|
|
}
|
2001-04-10 05:04:59 +04:00
|
|
|
}
|
|
|
|
|
2006-03-08 00:11:20 +03:00
|
|
|
bx_parallel_c::~bx_parallel_c()
|
2001-04-10 05:04:59 +04:00
|
|
|
{
|
2004-01-28 00:38:51 +03:00
|
|
|
for (int i=0; i<BX_PARPORT_MAXDEV; i++) {
|
|
|
|
if (s[i].output != NULL)
|
|
|
|
fclose(s[i].output);
|
|
|
|
}
|
2017-01-26 23:23:13 +03:00
|
|
|
bx_list_c *misc_rt = (bx_list_c*)SIM->get_param(BXPN_MENU_RUNTIME_MISC);
|
|
|
|
misc_rt->remove("parport");
|
2012-08-19 12:16:20 +04:00
|
|
|
SIM->get_bochs_root()->remove("parallel");
|
2006-09-10 21:18:44 +04:00
|
|
|
BX_DEBUG(("Exit"));
|
2001-04-10 05:04:59 +04:00
|
|
|
}
|
|
|
|
|
2006-03-08 00:11:20 +03:00
|
|
|
void bx_parallel_c::init(void)
|
2001-04-10 05:04:59 +04:00
|
|
|
{
|
2004-01-28 00:38:51 +03:00
|
|
|
Bit16u ports[BX_PARPORT_MAXDEV] = {0x0378, 0x0278};
|
|
|
|
Bit8u irqs[BX_PARPORT_MAXDEV] = {7, 5};
|
2006-03-01 20:14:36 +03:00
|
|
|
char name[16], pname[20];
|
2017-01-26 23:23:13 +03:00
|
|
|
bx_list_c *base, *misc_rt = NULL, *menu = NULL;
|
2012-04-16 23:17:10 +04:00
|
|
|
int count = 0;
|
2002-08-24 14:20:35 +04:00
|
|
|
|
2011-02-25 01:05:47 +03:00
|
|
|
BX_DEBUG(("Init $Id$"));
|
2001-04-10 05:04:59 +04:00
|
|
|
|
2004-01-28 00:38:51 +03:00
|
|
|
for (unsigned i=0; i<BX_N_PARALLEL_PORTS; i++) {
|
2006-03-01 20:14:36 +03:00
|
|
|
sprintf(pname, "ports.parallel.%d", i+1);
|
|
|
|
base = (bx_list_c*) SIM->get_param(pname);
|
|
|
|
if (SIM->get_param_bool("enabled", base)->get()) {
|
2004-01-28 00:38:51 +03:00
|
|
|
sprintf(name, "Parallel Port %d", i + 1);
|
|
|
|
/* parallel interrupt and i/o ports */
|
|
|
|
BX_PAR_THIS s[i].IRQ = irqs[i];
|
|
|
|
for (unsigned addr=ports[i]; addr<=(unsigned)(ports[i]+2); addr++) {
|
|
|
|
DEV_register_ioread_handler(this, read_handler, addr, name, 1);
|
2002-08-24 14:20:35 +04:00
|
|
|
}
|
2004-01-28 00:38:51 +03:00
|
|
|
DEV_register_iowrite_handler(this, write_handler, ports[i], name, 1);
|
|
|
|
DEV_register_iowrite_handler(this, write_handler, ports[i]+2, name, 1);
|
2017-01-26 23:23:13 +03:00
|
|
|
BX_INFO(("parallel port %d at 0x%04x irq %d", i+1, ports[i], irqs[i]));
|
2004-01-28 00:38:51 +03:00
|
|
|
/* internal state */
|
|
|
|
BX_PAR_THIS s[i].STATUS.error = 1;
|
|
|
|
BX_PAR_THIS s[i].STATUS.slct = 1;
|
|
|
|
BX_PAR_THIS s[i].STATUS.pe = 0;
|
|
|
|
BX_PAR_THIS s[i].STATUS.ack = 1;
|
|
|
|
BX_PAR_THIS s[i].STATUS.busy = 1;
|
2002-08-24 14:20:35 +04:00
|
|
|
|
2004-01-28 00:38:51 +03:00
|
|
|
BX_PAR_THIS s[i].CONTROL.strobe = 0;
|
|
|
|
BX_PAR_THIS s[i].CONTROL.autofeed = 0;
|
|
|
|
BX_PAR_THIS s[i].CONTROL.init = 1;
|
|
|
|
BX_PAR_THIS s[i].CONTROL.slct_in = 1;
|
|
|
|
BX_PAR_THIS s[i].CONTROL.irq = 0;
|
|
|
|
BX_PAR_THIS s[i].CONTROL.input = 0;
|
2002-08-24 14:20:35 +04:00
|
|
|
|
2004-01-28 00:38:51 +03:00
|
|
|
BX_PAR_THIS s[i].initmode = 0;
|
2013-12-01 22:26:37 +04:00
|
|
|
// virtual_printer() opens output file on demand
|
2017-01-26 23:23:13 +03:00
|
|
|
BX_PAR_THIS s[i].outfparam = SIM->get_param_string("file", base);
|
|
|
|
BX_PAR_THIS s[i].outfparam->set_handler(parport_outfparam_handler);
|
|
|
|
// init runtime parameters
|
|
|
|
if (misc_rt == NULL) {
|
|
|
|
misc_rt = (bx_list_c*)SIM->get_param(BXPN_MENU_RUNTIME_MISC);
|
|
|
|
menu = new bx_list_c(misc_rt, "parport", "Parallel Port Runtime Options");
|
|
|
|
menu->set_options(menu->SHOW_PARENT | menu->USE_BOX_TITLE);
|
|
|
|
}
|
|
|
|
menu->add(BX_PAR_THIS s[i].outfparam);
|
2012-04-16 23:17:10 +04:00
|
|
|
count++;
|
2001-12-19 00:58:59 +03:00
|
|
|
}
|
2001-11-12 05:35:09 +03:00
|
|
|
}
|
2012-04-16 23:17:10 +04:00
|
|
|
// Check if the device is disabled or not configured
|
|
|
|
if (count == 0) {
|
|
|
|
BX_INFO(("parallel ports disabled"));
|
2012-07-08 11:01:25 +04:00
|
|
|
// mark unused plugin for removal
|
|
|
|
((bx_param_bool_c*)((bx_list_c*)SIM->get_param(BXPN_PLUGIN_CTRL))->get_by_name("parallel"))->set(0);
|
2012-04-16 23:17:10 +04:00
|
|
|
return;
|
|
|
|
}
|
2001-04-10 05:04:59 +04:00
|
|
|
}
|
|
|
|
|
2006-03-08 00:11:20 +03:00
|
|
|
void bx_parallel_c::reset(unsigned type)
|
2002-08-27 23:54:46 +04:00
|
|
|
{
|
|
|
|
}
|
|
|
|
|
2006-05-27 19:54:49 +04:00
|
|
|
void bx_parallel_c::register_state(void)
|
|
|
|
{
|
|
|
|
unsigned i;
|
|
|
|
char name[4], pname[20];
|
|
|
|
bx_list_c *base, *port;
|
|
|
|
|
2012-02-12 22:43:20 +04:00
|
|
|
bx_list_c *list = new bx_list_c(SIM->get_bochs_root(), "parallel", "Parallel Port State");
|
2006-05-27 19:54:49 +04:00
|
|
|
for (i=0; i<BX_N_PARALLEL_PORTS; i++) {
|
2015-01-26 00:24:13 +03:00
|
|
|
sprintf(pname, "ports.parallel.%u", i+1);
|
2006-05-27 19:54:49 +04:00
|
|
|
base = (bx_list_c*) SIM->get_param(pname);
|
|
|
|
if (SIM->get_param_bool("enabled", base)->get()) {
|
2015-01-26 00:24:13 +03:00
|
|
|
sprintf(name, "%u", i);
|
2012-02-12 22:43:20 +04:00
|
|
|
port = new bx_list_c(list, name);
|
2006-05-27 19:54:49 +04:00
|
|
|
new bx_shadow_num_c(port, "data", &BX_PAR_THIS s[i].data, BASE_HEX);
|
|
|
|
new bx_shadow_bool_c(port, "slct", &BX_PAR_THIS s[i].STATUS.slct);
|
|
|
|
new bx_shadow_bool_c(port, "ack", &BX_PAR_THIS s[i].STATUS.ack);
|
|
|
|
new bx_shadow_bool_c(port, "busy", &BX_PAR_THIS s[i].STATUS.busy);
|
|
|
|
new bx_shadow_bool_c(port, "strobe", &BX_PAR_THIS s[i].CONTROL.strobe);
|
|
|
|
new bx_shadow_bool_c(port, "autofeed", &BX_PAR_THIS s[i].CONTROL.autofeed);
|
|
|
|
new bx_shadow_bool_c(port, "init", &BX_PAR_THIS s[i].CONTROL.init);
|
|
|
|
new bx_shadow_bool_c(port, "slct_in", &BX_PAR_THIS s[i].CONTROL.slct_in);
|
|
|
|
new bx_shadow_bool_c(port, "irq", &BX_PAR_THIS s[i].CONTROL.irq);
|
|
|
|
new bx_shadow_bool_c(port, "input", &BX_PAR_THIS s[i].CONTROL.input);
|
|
|
|
new bx_shadow_bool_c(port, "initmode", &BX_PAR_THIS s[i].initmode);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2006-03-08 00:11:20 +03:00
|
|
|
void bx_parallel_c::virtual_printer(Bit8u port)
|
2001-11-12 04:33:01 +03:00
|
|
|
{
|
2004-01-28 00:38:51 +03:00
|
|
|
if (BX_PAR_THIS s[port].STATUS.slct) {
|
2013-12-01 22:26:37 +04:00
|
|
|
if (BX_PAR_THIS s[port].output == NULL) {
|
2017-01-26 23:23:13 +03:00
|
|
|
if (!BX_PAR_THIS s[port].outfparam->isempty()) {
|
|
|
|
BX_PAR_THIS s[port].output = fopen(BX_PAR_THIS s[port].outfparam->getptr(), "wb");
|
2013-12-01 22:26:37 +04:00
|
|
|
if (!BX_PAR_THIS s[port].output)
|
|
|
|
BX_ERROR(("Could not open '%s' to write parport%d output",
|
2017-01-26 23:23:13 +03:00
|
|
|
BX_PAR_THIS s[port].outfparam->getptr(), port+1));
|
2013-12-01 22:26:37 +04:00
|
|
|
}
|
|
|
|
}
|
2004-01-28 00:38:51 +03:00
|
|
|
if (BX_PAR_THIS s[port].output != NULL) {
|
|
|
|
fputc(BX_PAR_THIS s[port].data, BX_PAR_THIS s[port].output);
|
2017-01-26 23:23:13 +03:00
|
|
|
fflush(BX_PAR_THIS s[port].output);
|
2006-03-08 00:11:20 +03:00
|
|
|
}
|
2004-01-28 00:38:51 +03:00
|
|
|
if (BX_PAR_THIS s[port].CONTROL.irq == 1) {
|
|
|
|
DEV_pic_raise_irq(BX_PAR_THIS s[port].IRQ);
|
2006-03-08 00:11:20 +03:00
|
|
|
}
|
2004-01-28 00:38:51 +03:00
|
|
|
BX_PAR_THIS s[port].STATUS.ack = 0;
|
|
|
|
BX_PAR_THIS s[port].STATUS.busy = 1;
|
2017-01-26 23:23:13 +03:00
|
|
|
} else {
|
2002-01-18 19:33:07 +03:00
|
|
|
BX_ERROR(("data is valid, but printer is offline"));
|
2006-03-08 00:11:20 +03:00
|
|
|
}
|
2001-11-12 04:33:01 +03:00
|
|
|
}
|
|
|
|
|
2006-03-08 00:11:20 +03:00
|
|
|
// static IO port read callback handler
|
|
|
|
// redirects to non-static class handler to avoid virtual functions
|
2001-04-10 05:04:59 +04:00
|
|
|
|
2006-03-08 00:11:20 +03:00
|
|
|
Bit32u bx_parallel_c::read_handler(void *this_ptr, Bit32u address, unsigned io_len)
|
2001-04-10 05:04:59 +04:00
|
|
|
{
|
|
|
|
#if !BX_USE_PAR_SMF
|
|
|
|
bx_parallel_c *class_ptr = (bx_parallel_c *) this_ptr;
|
2006-03-08 00:11:20 +03:00
|
|
|
return class_ptr->read(address, io_len);
|
2001-04-10 05:04:59 +04:00
|
|
|
}
|
|
|
|
|
2006-03-08 00:11:20 +03:00
|
|
|
Bit32u bx_parallel_c::read(Bit32u address, unsigned io_len)
|
2001-04-10 05:04:59 +04:00
|
|
|
{
|
|
|
|
#else
|
|
|
|
UNUSED(this_ptr);
|
|
|
|
#endif // !BX_USE_PAR_SMF
|
2004-01-28 00:38:51 +03:00
|
|
|
Bit8u offset;
|
|
|
|
Bit8u port = 0;
|
2001-11-14 03:29:20 +03:00
|
|
|
Bit32u retval;
|
|
|
|
|
2004-01-28 00:38:51 +03:00
|
|
|
offset = address & 0x07;
|
|
|
|
switch (address & 0x03f8) {
|
|
|
|
case 0x0378: port = 0; break;
|
|
|
|
case 0x0278: port = 1; break;
|
|
|
|
}
|
|
|
|
|
|
|
|
switch (offset) {
|
|
|
|
case BX_PAR_DATA:
|
|
|
|
if (!BX_PAR_THIS s[port].CONTROL.input) {
|
|
|
|
return (Bit32u)BX_PAR_THIS s[port].data;
|
2003-07-31 23:51:42 +04:00
|
|
|
} else {
|
|
|
|
BX_ERROR(("read: input mode not supported"));
|
|
|
|
return (0xFF);
|
|
|
|
}
|
|
|
|
break;
|
2004-01-28 00:38:51 +03:00
|
|
|
case BX_PAR_STAT:
|
2003-07-31 23:51:42 +04:00
|
|
|
{
|
2004-01-28 00:38:51 +03:00
|
|
|
retval = ((BX_PAR_THIS s[port].STATUS.busy << 7) |
|
|
|
|
(BX_PAR_THIS s[port].STATUS.ack << 6) |
|
|
|
|
(BX_PAR_THIS s[port].STATUS.pe << 5) |
|
|
|
|
(BX_PAR_THIS s[port].STATUS.slct << 4) |
|
|
|
|
(BX_PAR_THIS s[port].STATUS.error << 3));
|
|
|
|
if (BX_PAR_THIS s[port].STATUS.ack == 0) {
|
|
|
|
BX_PAR_THIS s[port].STATUS.ack = 1;
|
|
|
|
if (BX_PAR_THIS s[port].CONTROL.irq == 1) {
|
|
|
|
DEV_pic_lower_irq(BX_PAR_THIS s[port].IRQ);
|
2001-12-19 00:58:59 +03:00
|
|
|
}
|
2003-07-31 23:51:42 +04:00
|
|
|
}
|
2004-01-28 00:38:51 +03:00
|
|
|
if (BX_PAR_THIS s[port].initmode == 1) {
|
|
|
|
BX_PAR_THIS s[port].STATUS.busy = 1;
|
|
|
|
BX_PAR_THIS s[port].STATUS.slct = 1;
|
|
|
|
BX_PAR_THIS s[port].STATUS.ack = 0;
|
|
|
|
if (BX_PAR_THIS s[port].CONTROL.irq == 1) {
|
|
|
|
DEV_pic_raise_irq(BX_PAR_THIS s[port].IRQ);
|
2003-10-29 20:29:26 +03:00
|
|
|
}
|
2004-01-28 00:38:51 +03:00
|
|
|
BX_PAR_THIS s[port].initmode = 0;
|
2003-07-31 23:51:42 +04:00
|
|
|
}
|
2004-01-28 00:38:51 +03:00
|
|
|
BX_DEBUG(("read: parport%d status register returns 0x%02x", port+1, retval));
|
2003-07-31 23:51:42 +04:00
|
|
|
return retval;
|
2001-11-12 04:33:01 +03:00
|
|
|
}
|
2003-07-31 23:51:42 +04:00
|
|
|
break;
|
2004-01-28 00:38:51 +03:00
|
|
|
case BX_PAR_CTRL:
|
2003-07-31 23:51:42 +04:00
|
|
|
{
|
2004-01-28 00:38:51 +03:00
|
|
|
retval = ((BX_PAR_THIS s[port].CONTROL.input << 5) |
|
|
|
|
(BX_PAR_THIS s[port].CONTROL.irq << 4) |
|
|
|
|
(BX_PAR_THIS s[port].CONTROL.slct_in << 3) |
|
|
|
|
(BX_PAR_THIS s[port].CONTROL.init << 2) |
|
|
|
|
(BX_PAR_THIS s[port].CONTROL.autofeed << 1) |
|
|
|
|
(BX_PAR_THIS s[port].CONTROL.strobe));
|
|
|
|
BX_DEBUG(("read: parport%d control register returns 0x%02x", port+1, retval));
|
2003-07-31 23:51:42 +04:00
|
|
|
return retval;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
}
|
2001-04-10 05:04:59 +04:00
|
|
|
return(0);
|
|
|
|
}
|
|
|
|
|
2006-03-08 00:11:20 +03:00
|
|
|
// static IO port write callback handler
|
|
|
|
// redirects to non-static class handler to avoid virtual functions
|
2001-04-10 05:04:59 +04:00
|
|
|
|
2006-03-08 00:11:20 +03:00
|
|
|
void bx_parallel_c::write_handler(void *this_ptr, Bit32u address, Bit32u value, unsigned io_len)
|
2001-04-10 05:04:59 +04:00
|
|
|
{
|
|
|
|
#if !BX_USE_PAR_SMF
|
|
|
|
bx_parallel_c *class_ptr = (bx_parallel_c *) this_ptr;
|
|
|
|
|
|
|
|
class_ptr->write(address, value, io_len);
|
|
|
|
}
|
|
|
|
|
2006-03-08 00:11:20 +03:00
|
|
|
void bx_parallel_c::write(Bit32u address, Bit32u value, unsigned io_len)
|
2001-04-10 05:04:59 +04:00
|
|
|
{
|
|
|
|
#else
|
|
|
|
UNUSED(this_ptr);
|
|
|
|
#endif // !BX_USE_PAR_SMF
|
2004-01-28 00:38:51 +03:00
|
|
|
Bit8u offset;
|
|
|
|
Bit8u port = 0;
|
|
|
|
char name[16];
|
|
|
|
|
|
|
|
offset = address & 0x07;
|
|
|
|
switch (address & 0x03f8) {
|
|
|
|
case 0x0378: port = 0; break;
|
|
|
|
case 0x0278: port = 1; break;
|
|
|
|
}
|
2001-11-12 04:33:01 +03:00
|
|
|
|
2004-01-28 00:38:51 +03:00
|
|
|
switch (offset) {
|
|
|
|
case BX_PAR_DATA:
|
|
|
|
BX_PAR_THIS s[port].data = (Bit8u)value;
|
|
|
|
BX_DEBUG(("write: parport%d data output register = 0x%02x", port+1, (Bit8u)value));
|
2003-07-31 23:51:42 +04:00
|
|
|
break;
|
2004-01-28 00:38:51 +03:00
|
|
|
case BX_PAR_CTRL:
|
2003-07-31 23:51:42 +04:00
|
|
|
{
|
|
|
|
if ((value & 0x01) == 0x01) {
|
2004-01-28 00:38:51 +03:00
|
|
|
if (BX_PAR_THIS s[port].CONTROL.strobe == 0) {
|
|
|
|
BX_PAR_THIS s[port].CONTROL.strobe = 1;
|
|
|
|
virtual_printer(port); // data is valid now
|
2003-07-31 23:51:42 +04:00
|
|
|
}
|
|
|
|
} else {
|
2004-01-28 00:38:51 +03:00
|
|
|
if (BX_PAR_THIS s[port].CONTROL.strobe == 1) {
|
|
|
|
BX_PAR_THIS s[port].CONTROL.strobe = 0;
|
2003-07-31 23:51:42 +04:00
|
|
|
}
|
|
|
|
}
|
2004-01-28 00:38:51 +03:00
|
|
|
BX_PAR_THIS s[port].CONTROL.autofeed = ((value & 0x02) == 0x02);
|
2003-07-31 23:51:42 +04:00
|
|
|
if ((value & 0x04) == 0x04) {
|
2004-01-28 00:38:51 +03:00
|
|
|
if (BX_PAR_THIS s[port].CONTROL.init == 0) {
|
|
|
|
BX_PAR_THIS s[port].CONTROL.init = 1;
|
|
|
|
BX_PAR_THIS s[port].STATUS.busy = 0;
|
|
|
|
BX_PAR_THIS s[port].STATUS.slct = 0;
|
|
|
|
BX_PAR_THIS s[port].initmode = 1;
|
|
|
|
BX_DEBUG(("parport%d: printer init requested", port+1));
|
2003-07-31 23:51:42 +04:00
|
|
|
}
|
|
|
|
} else {
|
2004-01-28 00:38:51 +03:00
|
|
|
if (BX_PAR_THIS s[port].CONTROL.init == 1) {
|
|
|
|
BX_PAR_THIS s[port].CONTROL.init = 0;
|
2003-07-31 23:51:42 +04:00
|
|
|
}
|
|
|
|
}
|
|
|
|
if ((value & 0x08) == 0x08) {
|
2004-01-28 00:38:51 +03:00
|
|
|
if (BX_PAR_THIS s[port].CONTROL.slct_in == 0) {
|
|
|
|
BX_PAR_THIS s[port].CONTROL.slct_in = 1;
|
|
|
|
BX_DEBUG(("parport%d: printer now online", port+1));
|
2003-07-31 23:51:42 +04:00
|
|
|
}
|
|
|
|
} else {
|
2004-01-28 00:38:51 +03:00
|
|
|
if (BX_PAR_THIS s[port].CONTROL.slct_in == 1) {
|
|
|
|
BX_PAR_THIS s[port].CONTROL.slct_in = 0;
|
|
|
|
BX_DEBUG(("parport%d: printer now offline", port+1));
|
2003-07-31 23:51:42 +04:00
|
|
|
}
|
|
|
|
}
|
2004-01-28 00:38:51 +03:00
|
|
|
BX_PAR_THIS s[port].STATUS.slct = BX_PAR_THIS s[port].CONTROL.slct_in;
|
2003-07-31 23:51:42 +04:00
|
|
|
if ((value & 0x10) == 0x10) {
|
2004-01-28 00:38:51 +03:00
|
|
|
if (BX_PAR_THIS s[port].CONTROL.irq == 0) {
|
|
|
|
BX_PAR_THIS s[port].CONTROL.irq = 1;
|
|
|
|
sprintf(name, "Parallel Port %d", port+1);
|
|
|
|
DEV_register_irq(BX_PAR_THIS s[port].IRQ, name);
|
|
|
|
BX_DEBUG(("parport%d: irq mode selected", port+1));
|
2003-07-31 23:51:42 +04:00
|
|
|
}
|
|
|
|
} else {
|
2004-01-28 00:38:51 +03:00
|
|
|
if (BX_PAR_THIS s[port].CONTROL.irq == 1) {
|
|
|
|
BX_PAR_THIS s[port].CONTROL.irq = 0;
|
|
|
|
sprintf(name, "Parallel Port %d", port+1);
|
|
|
|
DEV_unregister_irq(BX_PAR_THIS s[port].IRQ, name);
|
|
|
|
BX_DEBUG(("parport%d: polling mode selected", port+1));
|
2003-07-31 23:51:42 +04:00
|
|
|
}
|
|
|
|
}
|
|
|
|
if ((value & 0x20) == 0x20) {
|
2004-01-28 00:38:51 +03:00
|
|
|
if (BX_PAR_THIS s[port].CONTROL.input == 0) {
|
|
|
|
BX_PAR_THIS s[port].CONTROL.input = 1;
|
|
|
|
BX_DEBUG(("parport%d: data input mode selected", port+1));
|
2003-07-31 23:51:42 +04:00
|
|
|
}
|
|
|
|
} else {
|
2004-01-28 00:38:51 +03:00
|
|
|
if (BX_PAR_THIS s[port].CONTROL.input == 1) {
|
|
|
|
BX_PAR_THIS s[port].CONTROL.input = 0;
|
|
|
|
BX_DEBUG(("parport%d: data output mode selected", port+1));
|
2003-07-31 23:51:42 +04:00
|
|
|
}
|
|
|
|
}
|
|
|
|
if ((value & 0xC0) > 0) {
|
2004-01-28 00:38:51 +03:00
|
|
|
BX_ERROR(("write: parport%d: unsupported control bit ignored", port+1));
|
2003-07-31 23:51:42 +04:00
|
|
|
}
|
2001-11-12 04:33:01 +03:00
|
|
|
}
|
2003-07-31 23:51:42 +04:00
|
|
|
break;
|
|
|
|
}
|
2001-04-10 05:04:59 +04:00
|
|
|
}
|
2017-01-26 23:23:13 +03:00
|
|
|
|
|
|
|
const char* bx_parallel_c::parport_outfparam_handler(bx_param_string_c *param, int set,
|
|
|
|
const char *oldval, const char *val,
|
|
|
|
int maxlen)
|
|
|
|
{
|
|
|
|
if ((set) && (strcmp(val, oldval))) {
|
|
|
|
int port = atoi((param->get_parent())->get_name()) - 1;
|
|
|
|
if (BX_PAR_THIS s[port].output != NULL) {
|
|
|
|
fclose(BX_PAR_THIS s[port].output);
|
|
|
|
BX_PAR_THIS s[port].output = NULL;
|
|
|
|
}
|
|
|
|
// virtual_printer() re-opens the output file on demand
|
|
|
|
}
|
|
|
|
return val;
|
|
|
|
}
|