PIC8259 emulation. More...
Public Member Functions | |
| bool | receive (MessageLegacy &msg) |
| The CPU send an int-ack cycle? | |
| bool | receive (MessagePic &msg) |
| We get an request on the three-wire PIC bus. | |
| bool | receive (MessageIOIn &msg) |
| bool | receive (MessageIOOut &msg) |
| Write to the PIC via IO ports. | |
| bool | receive (MessageIrq &msg) |
| Raise the an irqline. | |
| PicDevice (DBus< MessageIrq > &bus_irq, DBus< MessagePic > &bus_pic, DBus< MessageLegacy > &bus_legacy, DBus< MessageIrqNotify > &bus_notify, unsigned short base, unsigned char irq, unsigned short elcr_base, unsigned char virq) | |
PIC8259 emulation.
Copyright (C) 2007-2009, Bernhard Kauer <bk@vmmon.org> Economic rights: Technische Universitaet Dresden (Germany)
This file is part of Vancouver.
Vancouver is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License version 2 as published by the Free Software Foundation.
Vancouver 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 version 2 for more details. An implementation of the Intel 8259.
State: stable Ignored bits: ADI, yPM Documentation: Intel 8259a - 8259A.pdf
| PicDevice::PicDevice | ( | DBus< MessageIrq > & | bus_irq, | |
| DBus< MessagePic > & | bus_pic, | |||
| DBus< MessageLegacy > & | bus_legacy, | |||
| DBus< MessageIrqNotify > & | bus_notify, | |||
| unsigned short | base, | |||
| unsigned char | irq, | |||
| unsigned short | elcr_base, | |||
| unsigned char | virq | |||
| ) | [inline] |
| bool PicDevice::receive | ( | MessageLegacy & | msg | ) | [inline] |
The CPU send an int-ack cycle?
| bool PicDevice::receive | ( | MessageIrq & | msg | ) | [inline] |
Raise the an irqline.
This function needs to be multi-entrance ready! It should only touch the _irr.
| bool PicDevice::receive | ( | MessageIOOut & | msg | ) | [inline] |
Write to the PIC via IO ports.
| bool PicDevice::receive | ( | MessageIOIn & | msg | ) | [inline] |
| bool PicDevice::receive | ( | MessagePic & | msg | ) | [inline] |
We get an request on the three-wire PIC bus.
1.7.1
