// This file is part of noxos and licensed under the MIT open source license

#ifndef NOX_EXCEPTIONS_H
#define NOX_EXCEPTIONS_H

#include "platform/cpu.h"
#include "utils/string.h"

typedef enum {
    EXCEPTION_DIVISION                  = 0x00,
    EXCEPTION_DEBUG                     = 0x01,
    EXCEPTION_NON_MASKABLE_INTERRUPT    = 0x02,
    EXCEPTION_BREAKPOINT                = 0x03,
    EXCEPTION_OVERFLOW                  = 0x04,
    EXCEPTION_BOUND_RANGE_EXCEEDED      = 0x05,
    EXCEPTION_INVALID_OPCODE            = 0x06,
    EXCEPTION_DEVICE_NOT_AVAILABLE      = 0x07,
    EXCEPTION_DOUBLE_FAULT              = 0x08,

    EXCEPTION_INVALID_TSS               = 0x0A,
    EXCEPTION_SEGMENT_NOT_PRESENT       = 0x0B,
    EXCEPTION_STACK_SEGMENT_FAULT       = 0x0C,
    EXCEPTION_GENERAL_PROTECTION_FAULT  = 0x0D,
    EXCEPTION_PAGE_FAULT                = 0x0E,

    EXCEPTION_X87_FLOATING_POINT        = 0x10,
    EXCEPTION_ALIGNMENT_CHECK           = 0x11,
    EXCEPTION_MACHINE_CHECK             = 0x12,
    EXCEPTION_SIMD_FLOATING_POINT       = 0x13,
    EXCEPTION_VIRTUALIZATION            = 0x14,
    EXCEPTION_CONTROL_PROTECTION        = 0x15,

    EXCEPTION_HYPERVISOR_INJECTION      = 0x1C,
    EXCEPTION_VMM_COMMUNICATION         = 0x1D,
    EXCEPTION_SECURITY_EXCEPTION        = 0x1E,

    EXCEPTIONS_ENUM_END                 = 0x1F  // not an exception code
} exception_type_E;

extern string_t g_exception_type_strings[EXCEPTIONS_ENUM_END];

cpu_state_T* exception_handle(cpu_state_T* state);

#endif //NOX_EXCEPTIONS_H