141 lines
4.4 KiB
C++

#ifndef __FENNIX_KERNEL_CPU_x32_CR_H__
#define __FENNIX_KERNEL_CPU_x32_CR_H__
#include <types.h>
namespace CPU
{
namespace x32
{
typedef union CR0
{
struct
{
/** @brief Protection Enable */
uint32_t PE : 1;
/** @brief Monitor Coprocessor */
uint32_t MP : 1;
/** @brief Emulation */
uint32_t EM : 1;
/** @brief Task Switched */
uint32_t TS : 1;
/** @brief Extension Type */
uint32_t ET : 1;
/** @brief Numeric Error */
uint32_t NE : 1;
/** @brief Reserved */
uint32_t Reserved0 : 10;
/** @brief Write Protect */
uint32_t WP : 1;
/** @brief Reserved */
uint32_t Reserved1 : 1;
/** @brief Alignment Mask */
uint32_t AM : 1;
/** @brief Reserved */
uint32_t Reserved2 : 10;
/** @brief Not Write-through */
uint32_t NW : 1;
/** @brief Cache Disable */
uint32_t CD : 1;
/** @brief Paging */
uint32_t PG : 1;
};
uint32_t raw;
} CR0;
typedef union CR2
{
struct
{
/** @brief Page Fault Linear Address */
uint32_t PFLA;
};
uint32_t raw;
} CR2;
typedef union CR3
{
struct
{
/** @brief Not used if bit 17 of CR4 is 1 */
uint32_t PWT : 1;
/** @brief Not used if bit 17 of CR4 is 1 */
uint32_t PCD : 1;
/** @brief Base of PML4T/PML5T */
uint32_t PDBR;
};
uint32_t raw;
} CR3;
typedef union CR4
{
struct
{
/** @brief Virtual-8086 Mode Extensions */
uint32_t VME : 1;
/** @brief Protected-Mode Virtual Interrupts */
uint32_t PVI : 1;
/** @brief Time Stamp Disable */
uint32_t TSD : 1;
/** @brief Debugging Extensions */
uint32_t DE : 1;
/** @brief Page Size Extensions */
uint32_t PSE : 1;
/** @brief Physical Address Extension */
uint32_t PAE : 1;
/** @brief Machine Check Enable */
uint32_t MCE : 1;
/** @brief Page Global Enable */
uint32_t PGE : 1;
/** @brief Performance Monitoring Counter */
uint32_t PCE : 1;
/** @brief Operating System Support */
uint32_t OSFXSR : 1;
/** @brief Operating System Support */
uint32_t OSXMMEXCPT : 1;
/** @brief User-Mode Instruction Prevention */
uint32_t UMIP : 1;
/** @brief Linear Address 57bit */
uint32_t LA57 : 1;
/** @brief VMX Enable */
uint32_t VMXE : 1;
/** @brief SMX Enable */
uint32_t SMXE : 1;
/** @brief Reserved */
uint32_t Reserved0 : 1;
/** @brief FSGSBASE Enable */
uint32_t FSGSBASE : 1;
/** @brief PCID Enable */
uint32_t PCIDE : 1;
/** @brief XSAVE and Processor Extended States Enable */
uint32_t OSXSAVE : 1;
/** @brief Reserved */
uint32_t Reserved1 : 1;
/** @brief SMEP Enable */
uint32_t SMEP : 1;
/** @brief SMAP Enable */
uint32_t SMAP : 1;
/** @brief Protection-Key Enable */
uint32_t PKE : 1;
/** @brief Control-flow Enforcement Technology*/
uint32_t CET : 1;
/* @brief Enable Protection Keys for Supervisor Mode Pages */
uint32_t PKS : 1;
};
uint32_t raw;
} CR4;
typedef union CR8
{
struct
{
/** @brief Task Priority Level */
uint32_t TPL : 1;
};
uint32_t raw;
} CR8;
}
}
#endif // !__FENNIX_KERNEL_CPU_x32_CR_H__