dingusppc/devices/ioctrl/interruptctrl.h

97 lines
2.4 KiB
C++

/*
DingusPPC - The Experimental PowerPC Macintosh emulator
Copyright (C) 2018-21 divingkatae and maximum
(theweirdo) spatium
(Contact divingkatae#1017 or powermax#2286 on Discord for more info)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef HWINTERRUPT_H
#define HWINTERRUPT_H
#include <devices/common/hwcomponent.h>
#include <cinttypes>
#include <memory>
enum DEV_ID {
SCSI_DMA = 0,
Swim3_DMA = 1,
IDE0_DMA = 2,
IDE1_DMA = 3,
SCC_A_DMA_OUT = 4,
SCC_A_DMA_IN = 5,
SCC_B_DMA_OUT = 6,
SCC_B_DMA_IN = 7,
SOUND_DMA_OUT = 8,
SOUND_DMA_IN = 9,
VIDEO_OUT = 10,
VIDEO_IN = 11,
SCSI0 = 12,
IDE0 = 13,
IDE1 = 14,
SCC_A = 15,
SCC_B = 16,
DAVBUS = 17,
VIA_CUDA = 18,
SWIM3 = 19,
NMI = 20,
PERCH_DMA = 21,
PERCH = 22,
ETHERNET_DMA_OUT = 23,
ETHERNET_DMA_IN = 24,
ETHERNET = 25,
SCSI1 = 26,
};
enum REG_ID {
mask1 = 0,
clear1 = 1,
events1 = 2,
levels1 = 3,
mask2 = 4,
clear2 = 5,
events2 = 6,
levels2 = 7,
};
class InterruptCtrl {
public:
InterruptCtrl();
~InterruptCtrl() = default;
uint32_t ack_interrupt(uint32_t device_bits);
virtual uint32_t register_device(DEV_ID dev_id){
return 0;
};
void update_reg(REG_ID retrieve_reg, uint32_t bit_setting);
uint32_t retrieve_reg(REG_ID retrieve_reg);
void ack_cpu_interrupt();
protected:
uint32_t int_events1 = 0;
uint32_t int_mask1 = 0;
uint32_t int_clear1 = 0;
uint32_t int_levels1 = 0;
uint32_t int_events2 = 0;
uint32_t int_mask2 = 0;
uint32_t int_clear2 = 0;
uint32_t int_levels2 = 0;
};
#endif /* HWINTERRUPT_H */