32 lines
578 B
C
32 lines
578 B
C
#ifndef _INTERRUPT_CONTROLLER_H
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#define _INTERRUPT_CONTROLLER_H
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#include <stdint.h>
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// These need to be copied in interrupt_controller.s
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#define IRQ_CMD_ADDR 0xeffc
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#define IRQ_DAT_ADDR 0xeffd
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#define IRQ_CMD_MASK 0xe0
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#define IRQ_REG_MASK 0x1f
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#define IRQ_CMD_READIRQ 0x00
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#define IRQ_CMD_ENABLE 0x20
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#define IRQ_CMD_TYPE 0x40
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#define IRQ_CMD_EOI 0xff
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#define IRQ_EDGE 0
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#define IRQ_LEVEL 1
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void init_interrupt_controller();
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void enable_irq(uint8_t type, uint8_t irqnum);
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void disable_irq(uint8_t irqnum);
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// This should accept irqnum later.
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void send_eoi();
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#endif |