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Enable devices individually over param "enabled"

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UNIBUS addr, intr vector, level setable
This commit is contained in:
Joerg Hoppe
2019-06-20 21:58:04 +02:00
parent ccd6747892
commit 3952cb93b0
38 changed files with 1341 additions and 1427 deletions
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77
10.01_base/2_src/arm/device.cpp
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@@ -1,27 +1,27 @@
/* device.cpp - abstract base class for devices
Copyright (c) 2018, Joerg Hoppe
j_hoppe@t-online.de, www.retrocmp.com
Copyright (c) 2018, Joerg Hoppe
j_hoppe@t-online.de, www.retrocmp.com
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"),
to deal in the Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following conditions:
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"),
to deal in the Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
JOERG HOPPE BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
JOERG HOPPE BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
12-nov-2018 JH entered beta phase
12-nov-2018 JH entered beta phase
Abstract device, with or without UNIBUS registers.
maybe mass storage controller, storage drive or other UNIBUS device
@@ -32,7 +32,7 @@
- has a worker()
- has a logger
- has parameters
*/
*/
#define _DEVICE_CPP_
#include <string.h>
@@ -68,17 +68,17 @@ static void device_worker_pthread_cleanup_handler(void *context) {
static void *device_worker_pthread_wrapper(void *context) {
device_c *device = (device_c *) context;
int oldstate ; // not used
int oldstate; // not used
#define this device // make INFO work
// call real worker
INFO("%s::worker() started", device->name.value.c_str());
pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, &oldstate) ;
pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, &oldstate) ; //ASYNCH not allowed!
pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, &oldstate);
pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, &oldstate); //ASYNCH not allowed!
device->worker_terminate = false;
device->worker_terminated = false;
pthread_cleanup_push(device_worker_pthread_cleanup_handler, device) ;
device->worker();
pthread_cleanup_pop(1) ; // call cleanup_handler on regular exit
pthread_cleanup_push(device_worker_pthread_cleanup_handler, device);
device->worker();
pthread_cleanup_pop(1); // call cleanup_handler on regular exit
// not reached on pthread_cancel()
#undef this
return NULL;
@@ -99,10 +99,13 @@ device_c::device_c() {
// creation order of vector vs params?
name.parameterized = this;
type_name.parameterized = this;
enabled.parameterized = this;
verbosity.parameterized = this;
verbosity.value = *log_level_ptr; // global default value from logger->logsource
enabled.value = false; // must be activated by emulation logic/user interaction
param_add(&name);
param_add(&type_name);
param_add(&enabled);
param_add(&emulation_speed);
param_add(&verbosity);
emulation_speed.value = 1;
@@ -125,7 +128,27 @@ device_c::~device_c() {
mydevices.erase(p);
}
bool device_c::on_param_changed(parameter_c *param) {
if (param == &enabled) {
if (enabled.new_value)
worker_start();
else
worker_stop();
}
// all devices forward their "on_param_changed" to parent classes,
// until a class rejects a value.
// device_c is the grand pratnes and produces "OK" for unknown or passive parameters
return true;
}
// search device in global list mydevices[]
device_c *device_c::find_by_name(char *name) {
list<device_c *>::iterator it;
for (it = device_c::mydevices.begin(); it != device_c::mydevices.end(); ++it)
if (!strcasecmp((*it)->name.value.c_str(), name))
return *it;
return NULL;
}
// set priority to max, keep policy, return current priority
// do not change worker_sched_priority
@@ -262,12 +285,13 @@ void device_c::worker_start(void) {
pthread_attr_t attr;
pthread_attr_init(&attr);
// pthread_attr_setstacksize(&attr, 1024*1024);
assert(worker_terminated); // do not srtat device worker twiche in parallel!
int status = pthread_create(&worker_pthread, &attr, &device_worker_pthread_wrapper,
(void *) this);
if (status != 0) {
FATAL("Failed to create pthread with status = %d", status);
}
pthread_attr_destroy(&attr) ; // why?
pthread_attr_destroy(&attr); // why?
}
}
@@ -287,7 +311,8 @@ void device_c::worker_stop(void) {
// if thread is hanging in pthread_cond_wait(): send a cancellation request
status = pthread_cancel(worker_pthread);
if (status != 0)
FATAL("Failed to send cancellation request to worker_pthread with status = %d", status);
FATAL("Failed to send cancellation request to worker_pthread with status = %d",
status);
}
// !! If crosscompling: this causes a crash in the worker thread