dlarudgus20 / clubcos Goto Github PK

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timer나 i/o같은 비동기 필요한거.. 나중에 gui에도 필요할테고..

write PATA PIO mode driver

Efficiency synchronization object

write fdd driver (V8086? or naive?)

http://wiki.osdev.org/8259_PIC#Spurious_IRQs

spurious IRQ가 있는줄도 몰랐네;

http://wiki.osdev.org/ATA_PIO_Mode
http://forum.osdev.org/viewtopic.php?f=1&p=167798

보면 PATA_CTRL_INT_ENABLE (nIEN)이 disable처럼 사용이 되는 것 같음.

Control Register bit definitions:

Bit	Abbreviation	Function
1	nIEN	Set this to stop the current device from sending interrupts.
2	SRST	Set this to do a "Software Reset" on all ATA drives on a bus, if one is misbehaving.
7	HOB	Set this to read back the High Order Byte of the last LBA48 value sent to an IO port.

// pata.h:84
enum
{
    PATA_CTRL_RESET             = 0x04,     //!< PATA Control software reset
    PATA_CTRL_INT_ENABLE        = 0x02,     //!< PATA Control interrupt enable
    /* 0x01이 없는 건 오타가 아닙니다 - 원래 미사용이에요. */
};

이것 참 큰 버그네요..