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- /*
- * This file is part of the UCB release of Plan 9. It is subject to the license
- * terms in the LICENSE file found in the top-level directory of this
- * distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
- * part of the UCB release of Plan 9, including this file, may be copied,
- * modified, propagated, or distributed except according to the terms contained
- * in the LICENSE file.
- */
- /* Cr0 */
- #define Pe 0x00000001 /* Protected Mode Enable */
- #define Mp 0x00000002 /* Monitor Coprocessor */
- #define Em 0x00000004 /* Emulate Coprocessor */
- #define Ts 0x00000008 /* Task Switched */
- #define Et 0x00000010 /* Extension Type */
- #define Ne 0x00000020 /* Numeric Error */
- #define Wp 0x00010000 /* Write Protect */
- #define Am 0x00040000 /* Alignment Mask */
- #define Nw 0x20000000 /* Not Writethrough */
- #define Cd 0x40000000 /* Cache Disable */
- #define Pg 0x80000000 /* Paging Enable */
- /* Cr3 */
- #define Pwt 0x00000008 /* Page-Level Writethrough */
- #define Pcd 0x00000010 /* Page-Level Cache Disable */
- /* Cr4 */
- #define Vme 0x00000001 /* Virtual-8086 Mode Extensions */
- #define Pvi 0x00000002 /* Protected Mode Virtual Interrupts */
- #define Tsd 0x00000004 /* Time-Stamp Disable */
- #define De 0x00000008 /* Debugging Extensions */
- #define Pse 0x00000010 /* Page-Size Extensions */
- #define Pae 0x00000020 /* Physical Address Extension */
- #define Mce 0x00000040 /* Machine Check Enable */
- #define Pge 0x00000080 /* Page-Global Enable */
- #define Pce 0x00000100 /* Performance Monitoring Counter Enable */
- #define Osfxsr 0x00000200 /* FXSAVE/FXRSTOR Support */
- #define Osxmmexcpt 0x00000400 /* Unmasked Exception Support */
- /* Rflags */
- #define Cf 0x00000001 /* Carry Flag */
- #define Pf 0x00000004 /* Parity Flag */
- #define Af 0x00000010 /* Auxiliary Flag */
- #define Zf 0x00000040 /* Zero Flag */
- #define Sf 0x00000080 /* Sign Flag */
- #define Tf 0x00000100 /* Trap Flag */
- #define If 0x00000200 /* Interrupt Flag */
- #define Df 0x00000400 /* Direction Flag */
- #define Of 0x00000800 /* Overflow Flag */
- #define Iopl0 0x00000000 /* I/O Privilege Level */
- #define Iopl1 0x00001000
- #define Iopl2 0x00002000
- #define Iopl3 0x00003000
- #define Nt 0x00004000 /* Nested Task */
- #define Rf 0x00010000 /* Resume Flag */
- #define Vm 0x00020000 /* Virtual-8086 Mode */
- #define Ac 0x00040000 /* Alignment Check */
- #define Vif 0x00080000 /* Virtual Interrupt Flag */
- #define Vip 0x00100000 /* Virtual Interrupt Pending */
- #define Id 0x00200000 /* ID Flag */
- /* MSRs */
- #define PerfEvtbase 0xc0010000 /* Performance Event Select */
- #define PerfCtrbase 0xc0010004 /* Performance Counters */
- #define Efer 0xc0000080 /* Extended Feature Enable */
- #define Star 0xc0000081 /* Legacy Target IP and [CS]S */
- #define Lstar 0xc0000082 /* Long Mode Target IP */
- #define Cstar 0xc0000083 /* Compatibility Target IP */
- #define Sfmask 0xc0000084 /* SYSCALL Flags Mask */
- #define FSbase 0xc0000100 /* 64-bit FS Base Address */
- #define GSbase 0xc0000101 /* 64-bit GS Base Address */
- #define KernelGSbase 0xc0000102 /* SWAPGS instruction */
- /* Efer */
- #define Sce 0x00000001 /* System Call Extension */
- #define Lme 0x00000100 /* Long Mode Enable */
- #define Lma 0x00000400 /* Long Mode Active */
- #define Nxe 0x00000800 /* No-Execute Enable */
- #define Svme 0x00001000 /* SVM Extension Enable */
- #define Ffxsr 0x00004000 /* Fast FXSAVE/FXRSTOR */
- /* PML4E/PDPE/PDE/PTE */
- #define PteP 0x0000000000000001 /* Present */
- #define PteRW 0x0000000000000002 /* Read/Write */
- #define PteU 0x0000000000000004 /* User/Supervisor */
- #define PtePWT 0x0000000000000008 /* Page-Level Write Through */
- #define PtePCD 0x0000000000000010 /* Page Level Cache Disable */
- #define PteA 0x0000000000000020 /* Accessed */
- #define PteD 0x0000000000000040 /* Dirty */
- #define PtePS 0x0000000000000080 /* Page Size */
- #define Pte4KPAT PtePS /* PTE PAT */
- #define PteG 0x0000000000000100 /* Global */
- #define Pte2MPAT 0x0000000000001000 /* PDE PAT */
- #define Pte1GPAT Pte2MPAT /* PDPE PAT */
- #define PteNX 0x8000000000000000 /* No Execute */
- /* Exceptions */
- #define IdtDE 0 /* Divide-by-Zero Error */
- #define IdtDB 1 /* Debug */
- #define IdtNMI 2 /* Non-Maskable-Interrupt */
- #define IdtBP 3 /* Breakpoint */
- #define IdtOF 4 /* Overflow */
- #define IdtBR 5 /* Bound-Range */
- #define IdtUD 6 /* Invalid-Opcode */
- #define IdtNM 7 /* Device-Not-Available */
- #define IdtDF 8 /* Double-Fault */
- #define Idt09 9 /* unsupported */
- #define IdtTS 10 /* Invalid-TSS */
- #define IdtNP 11 /* Segment-Not-Present */
- #define IdtSS 12 /* Stack */
- #define IdtGP 13 /* General-Protection */
- #define IdtPF 14 /* Page-Fault */
- #define Idt0F 15 /* reserved */
- #define IdtMF 16 /* x87 FPE-Pending */
- #define IdtAC 17 /* Alignment-Check */
- #define IdtMC 18 /* Machine-Check */
- #define IdtXF 19 /* SIMD Floating-Point */
- /* Vestigial Segmented Virtual Memory */
- #define SdISTM 0x0000000700000000 /* Interrupt Stack Table Mask */
- #define SdA 0x0000010000000000 /* Accessed */
- #define SdR 0x0000020000000000 /* Readable (Code) */
- #define SdW 0x0000020000000000 /* Writeable (Data) */
- #define SdE 0x0000040000000000 /* Expand Down */
- #define SdaTSS 0x0000090000000000 /* Available TSS */
- #define SdbTSS 0x00000b0000000000 /* Busy TSS */
- #define SdCG 0x00000c0000000000 /* Call Gate */
- #define SdIG 0x00000e0000000000 /* Interrupt Gate */
- #define SdTG 0x00000f0000000000 /* Trap Gate */
- #define SdCODE 0x0000080000000000 /* Code/Data */
- #define SdS 0x0000100000000000 /* System/User */
- #define SdDPL0 0x0000000000000000 /* Descriptor Privilege Level */
- #define SdDPL1 0x0000200000000000
- #define SdDPL2 0x0000400000000000
- #define SdDPL3 0x0000600000000000
- #define SdP 0x0000800000000000 /* Present */
- #define Sd4G 0x000f00000000ffff /* 4G Limit */
- #define SdL 0x0020000000000000 /* Long Attribute */
- #define SdD 0x0040000000000000 /* Default Operand Size */
- #define SdG 0x0080000000000000 /* Granularity */
- /* Performance Counter Configuration */
- #define PeHo 0x0000020000000000 /* Host only */
- #define PeGo 0x0000010000000000 /* Guest only */
- #define PeEvMskH 0x0000000f00000000 /* Event mask H */
- #define PeCtMsk 0x00000000ff000000 /* Counter mask */
- #define PeInMsk 0x0000000000800000 /* Invert mask */
- #define PeCtEna 0x0000000000400000 /* Counter enable */
- #define PeInEna 0x0000000000100000 /* Interrupt enable */
- #define PePnCtl 0x0000000000080000 /* Pin control */
- #define PeEdg 0x0000000000040000 /* Edge detect */
- #define PeOS 0x0000000000020000 /* OS mode */
- #define PeUsr 0x0000000000010000 /* User mode */
- #define PeUnMsk 0x000000000000ff00 /* Unit Mask */
- #define PeEvMskL 0x00000000000000ff /* Event Mask L */
- #define PeEvMsksh 32 /* Event mask shift */
- /* Segment Selector */
- #define SsRPL0 0x0000 /* Requestor Privilege Level */
- #define SsRPL1 0x0001
- #define SsRPL2 0x0002
- #define SsRPL3 0x0003
- #define SsTIGDT 0x0000 /* GDT Table Indicator */
- #define SsTILDT 0x0004 /* LDT Table Indicator */
- #define SsSIM 0xfff8 /* Selector Index Mask */
- #define SSEL(si, tirpl) (((si)<<3)|(tirpl)) /* Segment Selector */
- #define SiNULL 0 /* NULL selector index */
- #define SiCS 1 /* CS selector index */
- #define SiDS 2 /* DS selector index */
- #define SiU32CS 3 /* User CS selector index */
- #define SiUDS 4 /* User DS selector index */
- #define SiUCS 5 /* User CS selector index */
- #define SiFS 6 /* FS selector index */
- #define SiGS 7 /* GS selector index */
- #define SiTSS 8 /* TSS selector index */
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