30 lines
618 B
C
30 lines
618 B
C
#pragma once
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#include <stdint.h>
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struct registers {
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// data segment selector
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uint32_t ds;
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// general purpose registers pushed by pusha
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uint32_t edi, esi, ebp, esp, ebx, edx, ecx, eax;
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// pushed by isr procedure
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uint32_t int_no, err_code;
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// pushed by CPU automatically
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uint32_t eip, cs, eflags, useresp, ss;
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};
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typedef void (*isr_t)(struct registers *);
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void isr_handler(struct registers *regs);
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void pic_send_eoi(uint8_t irq);
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void register_interrupt_handler(int index, isr_t handler);
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static inline void cli(void)
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{
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__asm__ volatile("cli");
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}
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static inline void sti(void)
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{
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__asm__ volatile("sti");
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} |