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QoL and bug fixes

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This commit is contained in:
Alex
2023-04-10 03:11:46 +03:00
parent 25aa9ff6a6
commit b4dbf2c281
83 changed files with 1438 additions and 1025 deletions
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20
Architecture/amd64/cpu/gdt.hpp
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@ -32,42 +32,42 @@ namespace GlobalDescriptorTable
/** @brief Access bit.
* @note The CPU sets this bit to 1 when the segment is accessed.
*/
uint8_t A : 1;
uint64_t A : 1;
/** @brief Readable bit for code segments, writable bit for data segments.
* @details For code segments, this bit must be 1 for the segment to be readable.
* @details For data segments, this bit must be 1 for the segment to be writable.
*/
uint8_t RW : 1;
uint64_t RW : 1;
/** @brief Direction bit for data segments, conforming bit for code segments.
* @details For data segments, this bit must be 1 for the segment to grow up (higher addresses).
* @details For code segments, this bit must be 1 for code in the segment to be able to be executed from an equal or lower privilege level.
*/
uint8_t DC : 1;
uint64_t DC : 1;
/** @brief Executable bit.
* @details This bit must be 1 for code-segment descriptors.
* @details This bit must be 0 for data-segment and system descriptors.
*/
uint8_t E : 1;
uint64_t E : 1;
/** @brief Descriptor type.
* @details This bit must be 0 for system descriptors.
* @details This bit must be 1 for code or data segment descriptor.
*/
uint8_t S : 1;
uint64_t S : 1;
/** @brief Descriptor privilege level.
* @details This field determines the privilege level of the segment.
* @details 0 = kernel mode, 3 = user mode.
*/
uint8_t DPL : 2;
uint64_t DPL : 2;
/** @brief Present bit.
* @details This bit must be 1 for all valid descriptors.
*/
uint8_t P : 1;
uint64_t P : 1;
} __packed;
uint8_t Raw;
};
@ -78,13 +78,13 @@ namespace GlobalDescriptorTable
struct
{
/** @brief Unknown. */
uint8_t Unknown : 5;
uint64_t Unknown : 5;
/** @brief Long mode.
* @details If the long mode bit is clear, the segment is in 32-bit protected mode.
* @details If the long mode bit is set, the segment is in 64-bit long mode.
*/
uint8_t L : 1;
uint64_t L : 1;
} __packed;
uint8_t Raw;
};
@ -105,7 +105,7 @@ namespace GlobalDescriptorTable
typedef struct _TaskStateSegment
{
uint32_t Reserved0 __aligned(0x10);
uint32_t Reserved0 __aligned(16);
uint64_t StackPointer[3];
uint64_t Reserved1;
uint64_t InterruptStackTable[7];