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53 lines
1.7 KiB
C++
53 lines
1.7 KiB
C++
/* unibuscpu.hpp: base class for all CPU implementations
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Copyright (c) 2019, 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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27-aug-2019 JH start
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*/
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#ifndef _UNIBUSCPU_HPP_
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#define _UNIBUSCPU_HPP_
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#include "unibusdevice.hpp"
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// a CPU is just a device with INTR facilities
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class unibuscpu_c: public unibusdevice_c {
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public:
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unibuscpu_c(): unibusdevice_c() {
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power_event = power_event_none ;
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} ;
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enum power_event_enum {power_event_none, power_event_up, power_event_down} ;
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enum power_event_enum power_event ;
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// called by PRU on INTR, returns new priority level
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virtual void on_interrupt(uint16_t vector) = 0 ;
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virtual void on_power_changed(void) ;
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virtual void on_init_changed(void) ;
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};
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#endif
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