21 lines
383 B
C
21 lines
383 B
C
#pragma once
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#include <efi.h>
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// 8259 PIC ports
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#define PIC1_CMD 0x20
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#define PIC1_DATA 0x21
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#define PIC2_CMD 0xA0
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#define PIC2_DATA 0xA1
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// PIC vectors
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#define PIC_IRQ_BASE 0x20 // IRQ 0 mapped to vector 0x20 (32)
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// EOI signal
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#define PIC_EOI 0x20
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void pic_init(void);
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void pic_send_eoi(UINT8 irq);
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void pic_mask_irq(UINT8 irq);
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void pic_unmask_irq(UINT8 irq);
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