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Add initial IO APIC support

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- IO APIC vector mapping
- Legacy PIC disable
- Real interrupts happening
This commit is contained in:
Justin C. Miller
2018-05-02 16:46:37 -07:00
parent 428e4563d0
commit 59700b07db
11 changed files with 317 additions and 62 deletions
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5
src/kernel/io.cpp
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@@ -30,3 +30,8 @@ wrmsr(uint64_t addr, uint64_t value)
__asm__ __volatile__ ("wrmsr" :: "c"(addr), "a"(low), "d"(high));
}
void
io_wait()
{
outb(0x80, 0);
}