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75 lines
2.6 KiB
C++
75 lines
2.6 KiB
C++
/* storagecontroller.cpp: a unibus device with several "storagedrives" attached
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Copyright (c) 2018, Joerg Hoppe
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j_hoppe@t-online.de, www.retrocmp.com
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files (the "Software"),
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to deal in the Software without restriction, including without limitation
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the rights to use, copy, modify, merge, publish, distribute, sublicense,
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and/or sell copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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JOERG HOPPE BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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12-nov-2018 JH entered beta phase
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A unibus device with several "storagedrives"
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supports the "attach" command
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*/
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#include "utils.hpp"
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#include "storagecontroller.hpp"
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storagecontroller_c::storagecontroller_c() :
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unibusdevice_c() {
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// sub class (Like "RL11") must create drives into array
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this->drivecount = 0;
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}
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storagecontroller_c::~storagecontroller_c() {
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}
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// implements params, so must handle "change"
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bool storagecontroller_c::on_param_changed(parameter_c *param) {
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if (param == &enabled) {
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if (!enabled.new_value)
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// power/up/down attached drives, then plug to UNIBUS
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// if disable, disable also the drives ("contreolelr plugged from UNIBUS)")
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// on enable, leave them disabled (user may decide which to use)
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for (unsigned i = 0; i < drivecount; i++)
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storagedrives[i]->enabled.set(false);
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}
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return unibusdevice_c::on_param_changed(param); // more actions (for enable)
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}
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// forward BUS events to connected storage drives
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// drives are powered if controller is powered
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void storagecontroller_c::on_power_changed() {
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vector<storagedrive_c*>::iterator it;
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for (it = storagedrives.begin(); it != storagedrives.end(); it++) {
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(*it)->power_down = power_down;
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(*it)->on_power_changed();
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}
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}
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// drives get INIT if controller got it
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void storagecontroller_c::on_init_changed() {
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vector<storagedrive_c*>::iterator it;
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for (it = storagedrives.begin(); it != storagedrives.end(); it++) {
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(*it)->init_asserted = init_asserted;
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(*it)->on_init_changed();
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}
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}
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