source: trunk/src/win32k/include/OS2KVM.h@ 4227

Last change on this file since 4227 was 4227, checked in by bird, 25 years ago

Experimenting with ldrSetVMflags. Page alignment possible.
File size: 5.2 KB
Line 
1/* $Id: OS2KVM.h,v 1.6 2000-09-08 21:34:11 bird Exp $
2 *
3 * OS/2 kernel VM functions.
4 *
5 * Copyright (c) 2000 knut st. osmundsen (knut.stange.osmundsen@pmsc.no)
6 *
7 * Project Odin Software License can be found in LICENSE.TXT
8 *
9 */
10
11
12#ifndef _OS2KVM_h_
13#define _OS2KVM_h_
14
15
16/*******************************************************************************
17* Defined Constants And Macros *
18*******************************************************************************/
19
20/* v8086.h */
21#define VM_PG_W 0x00000002 /* VPMPG_W - Page Writeable. */
22#define VM_PG_U 0x00000004 /* VPMPG_U - Page User Mode Accessible.*/
23#define VM_PG_X 0x00000008 /* VPMPG_X - Page Executable. */
24#define VM_PG_R 0x00000010 /* VPMPG_R - Page Readable. */
25#define VM_PG_RESERVED 0x00001000 /* VPMPG_RESERVED- Reservered */
26
27/* vpmx2.h */
28#define VM_PG_SWAPPABLE 0x00000000 /* Swappable */
29
30
31
32/*
33 * VMAlloc flFlag1 guessings
34 */
35#define VMA_CONTIG 0x00000001UL /* VMDHA_CONTIG */
36#define VMA_WRITE VM_PG_W /* PAG_WRITE and OB_WRITE */
37#define VMA_USER VM_PG_U /* OB_USER */
38#define VMA_EXECUTE VM_PG_X /* PAG_EXECUTE and OB_READ !! */
39#define VMA_READ VM_PG_R /* PAG_READ and OB_EXEC !! */
40#define VMA_LOWMEM 0x00000020UL /* OB_LOWMEM < 1MB physical */
41#define VMA_GUARD 0x00000040UL /* PAG_GUARD and VMDHA_16M and OB_GUARD */
42#if 0
43#define VMA_RESIDENT 0x00000080UL /* OB_RESIDENT */
44#define VMA_ZEROINIT 0x00000100UL /* OB_ZEROINIT */
45#define VMA_PHYS 0x00000200UL /* VMDHA_PHYS */
46#define VMA_FIXED 0x00000400UL /* VMDHA_FIXED and OB_SHARED */
47#else
48#define VMA_ZEROFILL 0x00000080UL
49#define VMA_SWAPONWRITE 0x00000100UL
50#define VMA_UVIRT 0x00000200UL /* VMDHA_PHYS */
51#define VMA_RESIDENT 0x00000400UL /* VMDHA_FIXED and OB_SHARED */
52#endif
53#define VMA_DISCARDABLE 0x00000800UL /* discarable object */
54#define VMA_SHARE 0x00001000UL /* OBJSHARE and OBJEXEC (which implies shared) */
55#define VMA_PROTECTED 0x00004000UL /* PAG_PROTECTED */
56#define VMA_LOWMEM2 0x00010000UL /* OB_LOWMEM */
57#define VMA_VDM 0x00040000UL /* (VPMVMAC_VDM) VDM allocation */
58#define VMA_DECOMMIT 0x00080000UL /* PAG_DECOMMIT */
59#define VMA_TILE 0x00400000UL /* OBJ_TILE */
60#define VMA_SELALLOC 0x00400000UL /* Allocates selector */
61#define VMA_SHRINKABLE 0x00800000UL /* OB_SHRINKABLE */
62#define VMA_HUGH 0x01000000UL /* OB_HUGH */
63
64#define VMA_ARENASHARED 0x04000000UL /* Shared Arena */
65#define VMA_ARENASYSTEM 0x00000000UL /* System Arena */
66#define VMA_ARENAPRIVATE 0x02000000UL /* (VPMVMAC_ARENAPRV) Private Arena */
67#define VMA_ARENAHEAP 0x06000000UL /* Heap Arena */
68#define VMA_ARENAHIGHA 0x00008000UL /* High shared arena (Warp >= fp13) */
69#define VMA_ARENAHIGH (options.ulBuild >= MERLINFP13 ? VMA_ARENAHIGHA : 0UL)
70#define VMA_ARENAMASKW 0x06000000UL /* Warp < fp13 Arena Mask */
71#define VMA_ARENAMASKA 0x06008000UL /* Aurora Arena Mask */
72#define VMA_ARENAMASK (options.ulBuild >= MERLINFP13 ? VMA_ARENAMASKA : VMA_ARENAMASKW)
73
74#define VMA_ALIGNPAGE 0x18000000UL /* (VPMVMAC_ALIGNPAGE) Page alignment */
75
76#define VMA_LOCMASK 0xC0000000UL /* Location mask */
77#define VMA_LOCSPECIFIC 0x80000000UL /* (VPMVMAC_LOCSPECIFIC) Specific location */
78#define VMA_LOCABOVE 0x40000000UL /* (VPMVMAC_LOCABOVE) Above or equal to specified location */
79#define VMA_LOCANY 0x00000000UL /* Anywhere */
80
81
82
83/*
84 * VMAlloc flFlags2 guessings
85 */
86#if 0 /*???*/
87#define VDHAM_FIXED 0x0000UL
88#define VDHAM_SWAPPABLE 0x0001UL
89#define VPMVMFM_VDM 0x00000004UL /* Request on behalf of VDM */
90#endif
91
92#define VMAF2_WRITE 0x00000002UL /* PAG_WRITE */
93
94
95
96/*******************************************************************************
97* Structures and Typedefs *
98*******************************************************************************/
99typedef struct _vmac
100{
101 ULONG ac_va; /* off=0 cb=4 Virtual Address. */
102 USHORT ac_sel; /* off=4 cb=2 Selector. */
103 USHORT ac_hob; /* off=6 cb=2 Object handle. */
104} VMAC, *PVMAC;
105
106
107/*******************************************************************************
108* Exported Functions *
109*******************************************************************************/
110HMTE KRNLCALL VMGetOwner(
111 ULONG ulCS,
112 ULONG ulEIP);
113
114APIRET KRNLCALL VMAllocMem(
115 ULONG cbSize,
116 ULONG cbCommit,
117 ULONG flFlags1,
118 HPTDA hPTDA,
119 USHORT usVMOwnerId,
120 HMTE hMTE,
121 ULONG flFlags2,
122 ULONG SomeArg2,
123 PVMAC pvmac);
124
125APIRET KRNLCALL VMObjHandleInfo(
126 USHORT usHob,
127 PULONG pulAddr,
128 PUSHORT pushPTDA);
129
130PMTE KRNLCALL VMPseudoHandleMap(
131 HMTE hMTE);
132#endif
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