| 1 | /* $Id: OS2KVM.h,v 1.4 2000-04-17 01:56:49 bird Exp $
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| 2 | *
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| 3 | * OS/2 kernel VM functions.
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| 4 | *
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| 5 | * Copyright (c) 2000 knut st. osmundsen (knut.stange.osmundsen@pmsc.no)
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| 6 | *
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| 7 | * Project Odin Software License can be found in LICENSE.TXT
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| 8 | *
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| 9 | */
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| 10 |
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| 11 |
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| 12 | #ifndef _OS2KVM_h_
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| 13 | #define _OS2KVM_h_
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| 14 |
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| 15 | /*******************************************************************************
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| 16 | * Defined Constants And Macros *
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| 17 | *******************************************************************************/
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| 18 | /*
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| 19 | * VMAlloc flFlag1 guessings
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| 20 | */
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| 21 | #define VMA_CONTIG 0x00000001 /* VMDHA_CONTIG */
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| 22 | #define VMA_WRITE 0x00000002 /* PAG_WRITE and OB_WRITE */
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| 23 | #define VMA_USER 0x00000004 /* OB_USER */
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| 24 | #define VMA_EXECUTE 0x00000008 /* PAG_EXECUTE and OB_READ !! */
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| 25 | #define VMA_READ 0x00000010 /* PAG_READ and OB_EXEC !! */
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| 26 | #define VMA_LOWMEM 0x00000020 /* OB_LOWMEM < 1MB physical */
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| 27 | #define VMA_GUARD 0x00000040 /* PAG_GUARD and VMDHA_16M and OB_GUARD */
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| 28 | #if 0
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| 29 | #define VMA_RESIDENT 0x00000080 /* OB_RESIDENT */
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| 30 | #define VMA_ZEROINIT 0x00000100 /* OB_ZEROINIT */
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| 31 | #define VMA_PHYS 0x00000200 /* VMDHA_PHYS */
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| 32 | #define VMA_FIXED 0x00000400 /* VMDHA_FIXED and OB_SHARED */
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| 33 | #else
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| 34 | #define VMA_ZEROFILL 0x00000080
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| 35 | #define VMA_SWAPONWRITE 0x00000100
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| 36 | #define VMA_UVIRT 0x00000200 /* VMDHA_PHYS */
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| 37 | #define VMA_RESIDENT 0x00000400 /* VMDHA_FIXED and OB_SHARED */
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| 38 | #endif
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| 39 | #define VMA_DISCARDABLE 0x00000800 /* discarable object */
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| 40 | #define VMA_SHARE 0x00001000 /* OBJSHARE and OBJEXEC (which implies shared) */
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| 41 | #define VMA_PROTECTED 0x00004000 /* PAG_PROTECTED */
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| 42 | #define VMA_LOWMEM2 0x00010000 /* OB_LOWMEM */
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| 43 | #define VMA_VDM 0x00040000 /* VDM */
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| 44 | #define VMA_DECOMMIT 0x00080000 /* PAG_DECOMMIT */
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| 45 | #define VMA_TILE 0x00400000 /* OBJ_TILE */
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| 46 | #define VMA_SELALLOC 0x00400000 /* Allocates selector */
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| 47 | #define VMA_SHRINKABLE 0x00800000 /* OB_SHRINKABLE */
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| 48 | #define VMA_HUGH 0x01000000 /* OB_HUGH */
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| 49 |
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| 50 | #define VMA_ARENASHARED 0x04000000 /* Shared Arena */
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| 51 | #define VMA_ARENASYSTEM 0x00000000 /* System Arena */
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| 52 | #define VMA_ARENAPRIVATE 0x02000000 /* Private Arena */
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| 53 | #define VMA_ARENAHEAP 0x06000000 /* Heap Arena */
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| 54 | #define VMA_ARENAHIGHA 0x00008000 /* High shared arena (Warp >= fp13) */
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| 55 | #define VMA_ARENAHIGH (options.ulBuild >= MERLINFP13 ? VMA_ARENAHIGHA : 0UL)
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| 56 | #define VMA_ARENAMASKW 0x06000000 /* Warp < fp13 Arena Mask */
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| 57 | #define VMA_ARENAMASKA 0x06008000 /* Aurora Arena Mask */
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| 58 | #define VMA_ARENAMASK (options.ulBuild >= MERLINFP13 ? VMA_ARENAMASKA : VMA_ARENAMASKW)
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| 59 |
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| 60 | #define VMA_LOCMASK 0xC0000000 /* Location mask */
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| 61 | #define VMA_LOCSPECIFIC 0x80000000 /* Specific location */
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| 62 | #define VMA_LOCABOVE 0x40000000 /* Above or equal to specified location */
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| 63 | #define VMA_LOCANY 0x00000000 /* Anywhere */
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| 64 |
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| 65 |
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| 66 |
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| 67 | /*
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| 68 | * VMAlloc flFlags2 guessings
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| 69 | */
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| 70 | #define VMAF2_WRITE 0x00000002 /* PAG_WRITE */
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| 71 |
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| 72 |
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| 73 | /*******************************************************************************
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| 74 | * Structures and Typedefs *
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| 75 | *******************************************************************************/
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| 76 | typedef struct _vmac
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| 77 | {
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| 78 | ULONG ac_va; /* off=0 cb=4 Virtual Address. */
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| 79 | USHORT ac_sel; /* off=4 cb=2 Selector. */
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| 80 | USHORT ac_hob; /* off=6 cb=2 Object handle. */
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| 81 | } VMAC, *PVMAC;
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| 82 |
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| 83 |
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| 84 | typedef USHORT HMTE, *PHMTE;
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| 85 | typedef USHORT HPTDA, *PHPTDA;
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| 86 |
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| 87 | /*******************************************************************************
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| 88 | * Exported Functions *
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| 89 | *******************************************************************************/
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| 90 | HMTE KRNLCALL VMGetOwner(
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| 91 | ULONG ulCS,
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| 92 | ULONG ulEIP);
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| 93 |
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| 94 | APIRET KRNLCALL VMAllocMem(
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| 95 | ULONG cbSize,
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| 96 | ULONG cbCommit,
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| 97 | ULONG flFlags1,
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| 98 | HPTDA hPTDA,
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| 99 | USHORT usVMOwnerId,
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| 100 | HMTE hMTE,
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| 101 | ULONG flFlags2,
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| 102 | ULONG SomeArg2,
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| 103 | PVMAC pvmac);
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| 104 |
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| 105 | APIRET KRNLCALL VMObjHandleInfo(
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| 106 | USHORT usHob,
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| 107 | PULONG pulAddr,
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| 108 | PUSHORT pushPTDA);
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| 109 |
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| 110 | #endif
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