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974aeed8eb
Interrupt and DMA system now handles multiple levels and multiple devices in parallel Interrupt Register changes synced with INTR transaction DL11 and KW11 clock pass the ZDLDI0 diagnostic. Devices can now be enabled and disabled individually.
74 lines
2.6 KiB
C++
74 lines
2.6 KiB
C++
/* testcontroller.hpp: sample UNIBUS controller with selftest logic
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Copyright (c) 2018-2019, 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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23-jul-2019 JH added interrupt and DMA functions
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12-nov-2018 JH entered beta phase
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*/
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#ifndef _TESTCONTROLLER_HPP_
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#define _TESTCONTROLLER_HPP_
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#include "utils.hpp"
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#include "unibusdevice.hpp"
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#include "memoryimage.hpp"
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#include "parameter.hpp"
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class testcontroller_c: public unibusdevice_c {
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private:
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public:
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unibusdevice_register_t *CSR; // command and status register
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parameter_unsigned_c access_count = parameter_unsigned_c(this, "access_count", "ac",/*readonly*/
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true, "", "%u", "Total # of register accesses", 32, 10);
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// For arbitray tests of the priority request system, we have
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// one reqiest for every slot/level combination
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static const unsigned dma_channel_count = 2;
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dma_request_c *dma_channel_request[dma_channel_count];
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// for concurrent DMA, testcontroller needs one data buffer per possible DMA.
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// these are n*4MB !
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memoryimage_c *dma_channel_buffer[dma_channel_count];
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intr_request_c *intr_request[PRIORITY_SLOT_COUNT][4]; // 3 slots, 4 levels
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testcontroller_c();
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~testcontroller_c();
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bool on_param_changed(parameter_c *param) override; // must implement
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// background worker function
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void worker(unsigned instance) override;
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// called by unibusadapter on emulated register access
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void on_after_register_access(unibusdevice_register_t *device_reg, uint8_t unibus_control)
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override;
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void on_power_changed(void) override;
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void on_init_changed(void) override;
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void test_dma_priority(void);
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};
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#endif
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