interrupt.h File Reference

#include <stdbool.h>
#include <stdint.h>

Go to the source code of this file.

Data Structures
struct	interrupt_frame_t
	Trap Frame Structure. More...
struct	interrupt_ctx_t
	Per-CPU Interrupt Context. More...

Macros
#define	INTERRUPT_FRAME_IN_USER_SPACE(frame)   ((frame)->ss == (GDT_SS_RING3) && (frame)->cs == (GDT_CS_RING3))
	Checks if a interrupt frame is from user space.

Enumerations
enum	page_fault_errors_t {   PAGE_FAULT_PRESENT = 1 << 0 ,   PAGE_FAULT_WRITE = 1 << 1 ,   PAGE_FAULT_USER = 1 << 2 ,   PAGE_FAULT_RESERVED = 1 << 3 ,   PAGE_FAULT_INSTRUCTION = 1 << 4 ,   PAGE_FAULT_PROTECTION_KEY = 1 << 5 ,   PAGE_FAULT_SHADOW_STACK = 1 << 6 ,   PAGE_FAULT_SOFTWARE_GUARD_EXT = 1 << 7 }
	Page Fault Error Codes. More...
enum	interrupt_t {   EXCEPTION_DIVIDE_ERROR = 0x0 ,   EXCEPTION_DEBUG = 0x1 ,   EXCEPTION_NMI = 0x2 ,   EXCEPTION_BREAKPOINT = 0x3 ,   EXCEPTION_OVERFLOW = 0x4 ,   EXCEPTION_BOUND_RANGE_EXCEEDED = 0x5 ,   EXCEPTION_INVALID_OPCODE = 0x6 ,   EXCEPTION_DEVICE_NOT_AVAILABLE = 0x7 ,   EXCEPTION_DOUBLE_FAULT = 0x8 ,   EXCEPTION_COPROCESSOR_SEGMENT_OVERRUN = 0x9 ,   EXCEPTION_INVALID_TSS = 0xA ,   EXCEPTION_SEGMENT_NOT_PRESENT = 0xB ,   EXCEPTION_STACK_FAULT = 0xC ,   EXCEPTION_GENERAL_PROTECTION = 0xD ,   EXCEPTION_PAGE_FAULT = 0xE ,   EXCEPTION_RESERVED = 0xF ,   EXCEPTION_X87_FPU_ERROR = 0x10 ,   EXCEPTION_ALIGNMENT_CHECK = 0x11 ,   EXCEPTION_MACHINE_CHECK = 0x12 ,   EXCEPTION_SIMD_EXCEPTION = 0x13 ,   EXCEPTION_VIRTUALIZATION_EXCEPTION = 0x14 ,   EXCEPTION_CONTROL_PROTECTION_EXCEPTION = 0x15 ,   EXCEPTION_RESERVED_16 = 0x16 ,   EXCEPTION_RESERVED_17 = 0x17 ,   EXCEPTION_RESERVED_18 = 0x18 ,   EXCEPTION_RESERVED_19 = 0x19 ,   EXCEPTION_RESERVED_1A = 0x1A ,   EXCEPTION_RESERVED_1B = 0x1B ,   EXCEPTION_RESERVED_1C = 0x1C ,   EXCEPTION_RESERVED_1D = 0x1D ,   EXCEPTION_RESERVED_1E = 0x1E ,   EXCEPTION_RESERVED_1F = 0x1F ,   EXCEPTION_AMOUNT = 0x20 ,   EXTERNAL_INTERRUPT_BASE = 0x20 ,   INTERRUPT_TLB_SHOOTDOWN = 0xFA ,   INTERRUPT_DIE = 0xFB ,   INTERRUPT_NOTE = 0xFC ,   INTERRUPT_TIMER = 0xFD ,   INTERRUPT_HALT = 0xFE ,   INTERRUPT_AMOUNT = 0xFF }
	CPU vector identifiers. More...

Functions
void	interrupt_ctx_init (interrupt_ctx_t *ctx)
	Initializes the CLI context.
void	interrupt_disable (void)
	Disable interrupts and increment the disableDepth.
void	interrupt_enable (void)
	Decrement the CLI depth and enable interrupts if depth reaches zero and interrupts were previously enabled.
void	interrupt_handler (interrupt_frame_t *frame)
	Handles CPU interrupts.

Variables
void *	vectorTable [INTERRUPT_AMOUNT]
	Pointers to functions to handle each vector.