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isr.hpp
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isr.hpp
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/**
* @file isr.hpp
* @author Keeton Feavel (keetonfeavel@cedarville.edu)
* @brief Interrupt Service Routine header.
* @version 0.1
* @date 2019-11-15
*
* @copyright Copyright Keeton Feavel et al (c) 2019
*
*/
#ifndef PANIX_ISR_HPP
#define PANIX_ISR_HPP
#include <sys/sys.hpp>
#include <arch/i386/idt.hpp>
// @todo Update the IRQ definitions to make more sense, or document why they are these values
#define IRQ0 32
#define IRQ1 33
#define IRQ2 34
#define IRQ3 35
#define IRQ4 36
#define IRQ5 37
#define IRQ6 38
#define IRQ7 39
#define IRQ8 40
#define IRQ9 41
#define IRQ10 42
#define IRQ11 43
#define IRQ12 44
#define IRQ13 45
#define IRQ14 46
#define IRQ15 47
//@todo Document what's up with ISR and IRQ functions
/* Interrupt Service Routines */
extern "C" void isr0();
extern "C" void isr1();
extern "C" void isr2();
extern "C" void isr3();
extern "C" void isr4();
extern "C" void isr5();
extern "C" void isr6();
extern "C" void isr7();
extern "C" void isr8();
extern "C" void isr9();
extern "C" void isr10();
extern "C" void isr11();
extern "C" void isr12();
extern "C" void isr13();
extern "C" void isr14();
extern "C" void isr15();
extern "C" void isr16();
extern "C" void isr17();
extern "C" void isr18();
extern "C" void isr19();
extern "C" void isr20();
extern "C" void isr21();
extern "C" void isr22();
extern "C" void isr23();
extern "C" void isr24();
extern "C" void isr25();
extern "C" void isr26();
extern "C" void isr27();
extern "C" void isr28();
extern "C" void isr29();
extern "C" void isr30();
extern "C" void isr31();
/* Interrupt Requests */
extern "C" void irq0();
extern "C" void irq1();
extern "C" void irq2();
extern "C" void irq3();
extern "C" void irq4();
extern "C" void irq5();
extern "C" void irq6();
extern "C" void irq7();
extern "C" void irq8();
extern "C" void irq9();
extern "C" void irq10();
extern "C" void irq11();
extern "C" void irq12();
extern "C" void irq13();
extern "C" void irq14();
extern "C" void irq15();
/**
* @brief
*
*/
typedef struct {
uint32_t ds; /* Data segment selector */
uint32_t edi, esi, ebp, esp, ebx, edx, ecx, eax; /* Pushed by pusha. */
uint32_t int_num, err_code; /* Interrupt number and error code (if applicable) */
uint32_t eip, cs, eflags, useresp, ss; /* Pushed by the processor automatically */
} registers_t;
typedef void (*isr_t)(registers_t);
/**
* @brief Disables interrupts.
*
*/
void px_interrupts_disable();
/**
* @brief Enables interrupts.
*
*/
void px_interrupts_enable();
/**
* @brief
*
*/
void px_isr_install();
/**
* @brief Handler for the Interrupt Service Request
*
* @param r Register information struct
*/
extern "C" void px_isr_handler(registers_t r);
/**
* @brief
*
* @param n
* @param handler
*/
extern "C" void px_register_interrupt_handler(uint8_t n, isr_t handler);
/**
* @brief
*
*/
extern "C" void px_irq_handler(registers_t r);
#endif /* PANIX_ISR_HPP */