41 lines
1.1 KiB
C
41 lines
1.1 KiB
C
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//
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// isr.h -- Interface and structures for high level interrupt service routines.
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// Part of this code is modified from Bran's kernel development tutorials.
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// Rewritten for JamesM's kernel development tutorials.
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//
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#include "common.h"
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#include <stdint.h>
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typedef struct registers
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{
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uint32_t ds; // Data segment selector
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uint32_t edi, esi, ebp, esp, ebx, edx, ecx, eax; // Pushed by pusha.
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uint32_t int_no, err_code; // Interrupt number and error code (if applicable)
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uint32_t eip, cs, eflags, useresp, ss; // Pushed by the processor automatically.
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} registers_t;
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#define IRQ0 32
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#define IRQ1 33
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#define IRQ2 34
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#define IRQ3 35
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#define IRQ4 36
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#define IRQ5 37
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#define IRQ6 38
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#define IRQ7 39
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#define IRQ8 40
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#define IRQ9 41
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#define IRQ10 42
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#define IRQ11 43
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#define IRQ12 44
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#define IRQ13 45
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#define IRQ14 46
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#define IRQ15 47
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// enables registeration of callbacks for interrupts or irqs
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// for irqs to ease confusin use the #defines ast the first param
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typedef void (*isr_t)(registers_t*);
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void register_interrupt_handler(uint8_t n, isr_t handler);
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