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https://github.com/EnderIce2/Fennix.git
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85 lines
2.3 KiB
C++
85 lines
2.3 KiB
C++
/*
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This file is part of Fennix Kernel.
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Fennix Kernel is free software: you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation, either version 3 of
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the License, or (at your option) any later version.
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Fennix Kernel is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef __FENNIX_KERNEL_IDT_H__
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#define __FENNIX_KERNEL_IDT_H__
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#include <types.h>
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namespace InterruptDescriptorTable
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{
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typedef enum _InterruptGateType
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{
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TASK = 0b101,
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INT_16BIT = 0b110,
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TRAP_16BIT = 0b111,
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INT_32BIT = 0b1110,
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TRAP_32BIT = 0b1111,
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} InterruptGateType;
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typedef enum _InterruptRingType
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{
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RING0 = 0b0,
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RING1 = 0b1,
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RING2 = 0b10,
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RING3 = 0b11,
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} InterruptRingType;
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typedef enum _InterruptStackTableType
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{
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IST0 = 0b0,
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IST1 = 0b1,
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IST2 = 0b10,
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IST3 = 0b11,
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IST4 = 0b100,
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IST5 = 0b101,
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IST6 = 0b110,
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} InterruptStackTableType;
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typedef struct _InterruptDescriptorTableEntry
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{
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uint64_t BaseLow : 16;
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uint64_t SegmentSelector : 16;
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uint64_t InterruptStackTable : 3;
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uint64_t Reserved1 : 5;
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uint64_t Flags : 4;
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uint64_t Reserved2 : 1;
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uint64_t Ring : 2;
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uint64_t Present : 1;
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uint64_t BaseHigh : 48;
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uint64_t Reserved3 : 32;
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} __packed InterruptDescriptorTableEntry;
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typedef struct _InterruptDescriptorTableDescriptor
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{
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uint16_t Length;
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InterruptDescriptorTableEntry *Entries;
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} __packed InterruptDescriptorTableDescriptor;
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void SetEntry(uint8_t Index,
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void (*Base)(),
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InterruptStackTableType InterruptStackTable,
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InterruptGateType Gate,
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InterruptRingType Ring,
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bool Present,
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uint16_t SegmentSelector);
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void Init(int Core);
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}
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#endif // !__FENNIX_KERNEL_IDT_H__
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