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libkernaux/include/kernaux/arch/x86.h

113 lines
7.4 KiB
C

#ifndef KERNAUX_INCLUDED_ARCH_X86
#define KERNAUX_INCLUDED_ARCH_X86
#ifdef __cplusplus
extern "C" {
#endif
#include <kernaux/macro.h>
#include <stdbool.h>
#ifndef KERNAUX_BITFIELDS
#define KERNAUX_ARCH_X86_DEFINE_CR0(arch, number_type) \
union KernAux_Arch_##arch##_CR0 { number_type number; } KERNAUX_PACKED
#else
#define KERNAUX_ARCH_X86_DEFINE_CR0(arch, number_type) \
union KernAux_Arch_##arch##_CR0 { \
number_type number; \
struct { \
bool pe : 1; /* 0: Protection Enable */ \
bool mp : 1; /* 1: Monitor Coprocessor */ \
bool em : 1; /* 2: Emulation (x87 FPU) */ \
bool ts : 1; /* 3: Task Switched */ \
bool et : 1; /* 4: Extension Type */ \
bool ne : 1; /* 5: Numeric Error */ \
unsigned _0 : 10; \
bool wp : 1; /* 16: Write Protect */ \
unsigned _1 : 1; \
bool am : 1; /* 18: Alignment Mask */ \
unsigned _2 : 10; \
bool nw : 1; /* 29: Not Write-trough */ \
bool cd : 1; /* 30: Cache Disable */ \
bool pg : 1; /* 31: Paging */ \
} KERNAUX_PACKED bitfields; \
} KERNAUX_PACKED
#endif
#define KERNAUX_ARCH_X86_CR0_PE KERNAUX_BITS32(0) // Protection Enable
#define KERNAUX_ARCH_X86_CR0_MP KERNAUX_BITS32(1) // Monitor Coprocessor
#define KERNAUX_ARCH_X86_CR0_EM KERNAUX_BITS32(2) // Emulation (x87 FPU)
#define KERNAUX_ARCH_X86_CR0_TS KERNAUX_BITS32(3) // Task Switched
#define KERNAUX_ARCH_X86_CR0_ET KERNAUX_BITS32(4) // Extension Type
#define KERNAUX_ARCH_X86_CR0_NE KERNAUX_BITS32(5) // Numeric Error
#define KERNAUX_ARCH_X86_CR0_WP KERNAUX_BITS32(16) // Write Protect
#define KERNAUX_ARCH_X86_CR0_AM KERNAUX_BITS32(18) // Alignment Mask
#define KERNAUX_ARCH_X86_CR0_NW KERNAUX_BITS32(29) // Not Write-trough
#define KERNAUX_ARCH_X86_CR0_CD KERNAUX_BITS32(30) // Cache Disable
#define KERNAUX_ARCH_X86_CR0_PG KERNAUX_BITS32(31) // Paging
#ifndef KERNAUX_BITFIELDS
#define KERNAUX_ARCH_X86_DEFINE_CR4(arch, number_type) \
union KernAux_Arch_##arch##_CR4 { number_type number; } KERNAUX_PACKED
#else
#define KERNAUX_ARCH_X86_DEFINE_CR4(arch, number_type) \
union KernAux_Arch_##arch##_CR4 { \
number_type number; \
struct { \
bool vme : 1; /* 0: Virtual-8086 Mode Extensions */ \
bool pvi : 1; /* 1: Protected-Mode Virtual Interrupts */ \
bool tsd : 1; /* 2: Time Stamp Disable */ \
bool de : 1; /* 3: Debugging Extensions */ \
bool pse : 1; /* 4: Page Size Extension */ \
bool pae : 1; /* 5: Physical Address Extension */ \
bool mce : 1; /* 6: Machine-Check Exception */ \
bool pge : 1; /* 7: Page Global Enable */ \
bool pce : 1; /* 8: Performance-Monitoring Counter Enabled */ \
bool osfxsr : 1; /* 9: Operating System Support for */ \
/* FXSAVE and FXRSTOR instructions */ \
bool osxmmexcpt : 1; /* 10: Operating System Support for */ \
/* Unmasked SIMD Floating-Point Exceptions */ \
bool umip : 1; /* 11: User-Mode Instruction Prevention */ \
unsigned _0 : 1; \
bool vmxe : 1; /* 13: VME (Virtual Machine Extensions) Enable */ \
bool smxe : 1; /* 14: SME (Safer Mode Extensions) Enable */ \
unsigned _1 : 1; \
bool fsgsbase : 1; /* 16: FSGSBASE Enable */ \
bool pcide : 1; /* 17: PCID Enable */ \
bool osxsave : 1; /* 18: XSAVE and Processor Extended States Enable */ \
unsigned _2 : 1; \
bool smep : 1; /* 20: SMEP (Supervisor Mode Execution Protection) Enable */ \
bool smap : 1; /* 21: SMAP (Supervisor Mode Access Prevention) Enable */ \
bool pke : 1; /* 22: Protection Key Enable */ \
unsigned _3 : 9; \
} KERNAUX_PACKED bitfields; \
} KERNAUX_PACKED
#endif
#define KERNAUX_ARCH_X86_CR4_VME KERNAUX_BITS32(0) // Virtual-8086 Mode Extensions
#define KERNAUX_ARCH_X86_CR4_PVI KERNAUX_BITS32(1) // Protected-Mode Virtual Interrupts
#define KERNAUX_ARCH_X86_CR4_TSD KERNAUX_BITS32(2) // Time Stamp Disable
#define KERNAUX_ARCH_X86_CR4_DE KERNAUX_BITS32(3) // Debugging Extensions
#define KERNAUX_ARCH_X86_CR4_PSE KERNAUX_BITS32(4) // Page Size Extension
#define KERNAUX_ARCH_X86_CR4_PAE KERNAUX_BITS32(5) // Physical Address Extension
#define KERNAUX_ARCH_X86_CR4_MCE KERNAUX_BITS32(6) // Machine-Check Exception
#define KERNAUX_ARCH_X86_CR4_PGE KERNAUX_BITS32(7) // Page Global Enable
#define KERNAUX_ARCH_X86_CR4_PCE KERNAUX_BITS32(8) // Performance-Monitoring Counter Enabled
#define KERNAUX_ARCH_X86_CR4_OSFXSR KERNAUX_BITS32(9) // Operating System Support for FXSAVE and FXRSTOR instructions
#define KERNAUX_ARCH_X86_CR4_OSXMMEXCPT KERNAUX_BITS32(10) // Operating System Support for Unmasked SIMD Floating-Point Exceptions
#define KERNAUX_ARCH_X86_CR4_UMIP KERNAUX_BITS32(11) // User-Mode Instruction Prevention
#define KERNAUX_ARCH_X86_CR4_VMXE KERNAUX_BITS32(13) // VME (Virtual Machine Extensions) Enable
#define KERNAUX_ARCH_X86_CR4_SMXE KERNAUX_BITS32(14) // SME (Safer Mode Extensions) Enable
#define KERNAUX_ARCH_X86_CR4_FSGSBASE KERNAUX_BITS32(16) // FSGSBASE Enable (enable the instructions RDFSBASE, RDGSBASE, WRFSBASE, and WRGSBASE)
#define KERNAUX_ARCH_X86_CR4_PCIDE KERNAUX_BITS32(17) // PCID Enable
#define KERNAUX_ARCH_X86_CR4_OSXSAVE KERNAUX_BITS32(18) // XSAVE and Processor Extended States Enable
#define KERNAUX_ARCH_X86_CR4_SMEP KERNAUX_BITS32(20) // SMEP (Supervisor Mode Execution Protection) Enable
#define KERNAUX_ARCH_X86_CR4_SMAP KERNAUX_BITS32(21) // SMAP (Supervisor Mode Access Prevention) Enable
#define KERNAUX_ARCH_X86_CR4_PKE KERNAUX_BITS32(22) // Protection Key Enable
#ifdef __cplusplus
}
#endif
#endif