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34 lines
998 B
C
34 lines
998 B
C
#ifndef ISR_H
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#define ISR_H
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#include <stdint.h>
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extern void (*isr_table[256])(struct isr_regs *regs);
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struct isr_regs
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{
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uint32_t gs, fs, es, ds; // Segment selectors
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uint32_t edi, esi, ebp, esp; // Pushed by pusha instruction
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uint32_t ebx, edx, ecx, eax; // Pushed by the interrupt handler
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uint32_t int_no,
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err_code; // Interrupt number and error code (if applicable)
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uint32_t eip, cs, eflags,
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esp_at_signal; // Pushed by the processor automatically
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};
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// Structure for storing register values during an ISR
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struct idt_regs
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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,
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eax; // Pushed by pusha instruction
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uint32_t int_no,
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err_code; // Interrupt number and error code (if applicable)
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uint32_t eip, cs, eflags, useresp,
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ss; // Pushed by the processor automatically
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};
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// ISR handler
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void isr_handler(struct idt_regs *regs);
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#endif /* ISR_H */ |