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