isr.h File Reference

#include <stdint.h>

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Data Structures
union	isr_eflags_t
	The EFLAGS register. More...
struct	isr_registers_t
	general purpose registers More...
struct	cpu_state_t
	The CPU's state when an interrupt occurs. More...

Macros
#define	ISR_EXCEPTION(ex)   (0x00 + (ex))
	the interrupt vector for an exception
#define	ISR_IRQ(irq)    (0x20 + (irq))
	the interrupt vector for an IRQ
#define	ISR_SYSCALL   0x30
	the interrupt vector for the syscall

Typedefs
typedef cpu_state_t *(*	isr_handler_t) (cpu_state_t *cpu)
	Handles a specific interrupt. More...
typedef uint32_t(*	isr_syscall_t) (uint32_t ebx, uint32_t ecx, uint32_t edx, uint32_t esi, uint32_t edi, cpu_state_t **cpu)
	Handles a specific syscall. More...

Functions
uint8_t	isr_enable_interrupts (uint8_t enable)
	Enables or disables interrupts. More...
uint8_t	isr_get_interrupts ()
	Returns whether interrupts are enabled or disabled. More...
void	isr_register_handler (size_t intr, isr_handler_t handler)
	Registers a handler to call whenever a given interrupt is fired. More...
void	isr_register_syscall (size_t id, void *syscall)
	Registers a syscall handler to call whenever a specified syscall is requested. More...
void	isr_dump_cpu (cpu_state_t *cpu)
	Dumps a CPU state. More...
void	isr_init ()
	Initializes syscalls and enables interrupts.