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Kostr April 1, 2019 at 02:38 PM

External Interrupts in the x86 system. Part 1. Interrupt controller evolution
- System Programming
- Tutorial
... PCI devices to PIRQ lines (Programmable Interrupt ... interrupt lines to PIRQ lines is often ...
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Kostr May 12, 2020 at 07:59 PM

External Interrupts in the x86 system. Part 2. Linux kernel boot options
- Configuring Linux,
- System Programming
- Tutorial
In the last part we discussed evolution of the interrupt delivery process from the devices in the x86 system (PIC → APIC → MSI), general theory, and all the necessary terminology. In this practical ...
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Kostr May 14, 2020 at 11:50 AM

External Interrupts in the x86 system. Part 3. Interrupt routing setup in a chipset, with the example of coreboot
- Open source,
- System Programming,
- C
- Tutorial
... PCI function PIRQy — PIRQ lane (PIRQA, PIRQB ... */ RCBA_SET_REG_32(D21IR, DIR_ROUTE(PIRQE, PIRQF, PIRQF, PIRQF ... PCI devices use PIRQE-PIRQH lanes, therefore ... = IRQ15 * PIRQ[n]_ROUT[7] - PIRQ Routing Control ...
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