VirtualBox

Changeset 90364 in vbox for trunk


Ignore:
Timestamp:
Jul 28, 2021 9:57:58 AM (3 years ago)
Author:
vboxsync
Message:

pdmdev.h: PDM_IRQ_LEVEL_FLIP_FLOP docs update. bugref:10073

File:
1 edited

Legend:

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  • trunk/include/VBox/vmm/pdmdev.h

    r89620 r90364  
    775775/** Deassert the IRQ (can assume value 0). */
    776776#define PDM_IRQ_LEVEL_LOW                       0
    777 /** flip-flop - deassert and then assert the IRQ again immediately. */
     777/** flip-flop - deassert and then assert the IRQ again immediately (PIC) /
     778 * automatically deasserts it after delivery to the APIC (IOAPIC).
     779 * @note Only suitable for edge trigger interrupts. */
    778780#define PDM_IRQ_LEVEL_FLIP_FLOP                 (RT_BIT(1) | PDM_IRQ_LEVEL_HIGH)
    779781/** @} */
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