ReactOS 0.4.15-dev-7897-g78dc504
common.h
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1/*
2 * Fast486 386/486 CPU Emulation Library
3 * common.h
4 *
5 * Copyright (C) 2015 Aleksandar Andrejevic <theflash AT sdf DOT lonestar DOT org>
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version 2
10 * of the License, or (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20 */
21
22#ifndef _COMMON_H_
23#define _COMMON_H_
24
25#pragma once
26
27/* DEFINES ********************************************************************/
28
29#define SIGN_FLAG_BYTE 0x80
30#define SIGN_FLAG_WORD 0x8000
31#define SIGN_FLAG_LONG 0x80000000
32#define REAL_MODE_FLAGS_MASK 0x57FD5
33#define PROT_MODE_FLAGS_MASK 0x50DD5
34
35/* Block size for string operations */
36#define STRING_BLOCK_SIZE 4096
37
38#define GET_SEGMENT_RPL(s) ((s) & 3u)
39#define GET_SEGMENT_INDEX(s) ((s) & 0xFFF8u)
40#define SEGMENT_TABLE_INDICATOR (1 << 2)
41#define EXCEPTION_HAS_ERROR_CODE(x) (((x) == 8) || ((x) >= 10 && (x) <= 14))
42
43#define NO_LOCK_PREFIX()\
44if (State->PrefixFlags & FAST486_PREFIX_LOCK)\
45{\
46 Fast486Exception(State, FAST486_EXCEPTION_UD);\
47 return;\
48}
49
50#define TOGGLE_OPSIZE(x)\
51 if (State->PrefixFlags & FAST486_PREFIX_OPSIZE) x = !x;
52
53#define TOGGLE_ADSIZE(x)\
54 if (State->PrefixFlags & FAST486_PREFIX_ADSIZE) x = !x;
55
56#define SWAP(x, y) { (x) ^= (y); (y) ^= (x); (x) ^= (y); }
57
58#define ALIGNMENT_CHECK(x, a) if (State->Flags.Ac \
59 && (State->ControlRegisters[FAST486_REG_CR0] & FAST486_CR0_AM)\
60 && (State->Cpl == 3)\
61 && (((x) % (a)) != 0))\
62{\
63 Fast486Exception(State, FAST486_EXCEPTION_AC);\
64 return FALSE;\
65}
66
67#define PAGE_ALIGN(x) ((x) & 0xFFFFF000)
68#define PAGE_OFFSET(x) ((x) & 0x00000FFF)
69#define GET_ADDR_PDE(x) ((x) >> 22)
70#define GET_ADDR_PTE(x) (((x) >> 12) & 0x3FF)
71#define INVALID_TLB_FIELD 0xFFFFFFFF
72#define NUM_TLB_ENTRIES 0x100000
73
74typedef struct _FAST486_MOD_REG_RM
75{
76 FAST486_GEN_REGS Register;
78 union
79 {
80 FAST486_GEN_REGS SecondRegister;
82 };
84
86{
91
92#include <pshpack1.h>
93
94typedef union _FAST486_PAGE_DIR
95{
96 struct
97 {
108 };
111
112C_ASSERT(sizeof(FAST486_PAGE_DIR) == sizeof(ULONG));
113
115{
116 struct
117 {
129 };
132
133C_ASSERT(sizeof(FAST486_PAGE_DIR) == sizeof(ULONG));
134
135#include <poppack.h>
136
137/* FUNCTIONS ******************************************************************/
138
142(
143 PFAST486_STATE State,
144 FAST486_SEG_REGS SegmentReg,
146 BOOLEAN InstFetch,
148 ULONG Size
149);
150
154(
155 PFAST486_STATE State,
156 FAST486_SEG_REGS SegmentReg,
159 ULONG Size
160);
161
165(
166 PFAST486_STATE State,
168);
169
170VOID
173(
174 PFAST486_STATE State,
175 FAST486_EXCEPTIONS ExceptionCode,
177);
178
182(
183 PFAST486_STATE State,
185 USHORT Selector
186);
187
191(
192 PFAST486_STATE State,
193 PFAST486_CALL_GATE Gate,
194 BOOLEAN Call
195);
196
197/* INLINED FUNCTIONS **********************************************************/
198
199#include "common.inl"
200
201#endif // _COMMON_H_
202
203/* EOF */
unsigned char BOOLEAN
Type
Definition: Type.h:7
_Inout_ PIRP _In_ NTSTATUS ExceptionCode
Definition: cdprocs.h:1774
Definition: bufpool.h:45
#define C_ASSERT(e)
Definition: intsafe.h:73
_In_ NDIS_ERROR_CODE ErrorCode
Definition: ndis.h:4436
#define FASTCALL
Definition: nt_native.h:50
_In_ ULONG _In_ ULONG Offset
Definition: ntddpcm.h:101
_In_opt_ PENTER_STATE_SYSTEM_HANDLER _In_opt_ PVOID _In_ LONG _In_opt_ LONG volatile * Number
Definition: ntpoapi.h:207
unsigned short USHORT
Definition: pedump.c:61
VOID FASTCALL Fast486ExceptionWithErrorCode(PFAST486_STATE State, FAST486_EXCEPTIONS ExceptionCode, ULONG ErrorCode)
Definition: common.c:557
BOOLEAN FASTCALL Fast486CallGate(PFAST486_STATE State, PFAST486_CALL_GATE Gate, BOOLEAN Call)
Definition: common.c:1116
BOOLEAN FASTCALL Fast486PerformInterrupt(PFAST486_STATE State, UCHAR Number)
Definition: common.c:533
union _FAST486_PAGE_TABLE * PFAST486_PAGE_TABLE
union _FAST486_PAGE_DIR FAST486_PAGE_DIR
BOOLEAN FASTCALL Fast486WriteMemory(PFAST486_STATE State, FAST486_SEG_REGS SegmentReg, ULONG Offset, PVOID Buffer, ULONG Size)
Definition: common.c:163
BOOLEAN FASTCALL Fast486TaskSwitch(PFAST486_STATE State, FAST486_TASK_SWITCH_TYPE Type, USHORT Selector)
Definition: common.c:624
union _FAST486_PAGE_DIR * PFAST486_PAGE_DIR
enum _FAST486_TASK_SWITCH_TYPE FAST486_TASK_SWITCH_TYPE
_FAST486_TASK_SWITCH_TYPE
Definition: common.h:86
@ FAST486_TASK_JUMP
Definition: common.h:87
@ FAST486_TASK_RETURN
Definition: common.h:89
@ FAST486_TASK_CALL
Definition: common.h:88
BOOLEAN FASTCALL Fast486ReadMemory(PFAST486_STATE State, FAST486_SEG_REGS SegmentReg, ULONG Offset, BOOLEAN InstFetch, PVOID Buffer, ULONG Size)
Definition: common.c:36
struct _FAST486_MOD_REG_RM * PFAST486_MOD_REG_RM
enum _FAST486_TASK_SWITCH_TYPE * PFAST486_TASK_SWITCH_TYPE
struct _FAST486_MOD_REG_RM FAST486_MOD_REG_RM
union _FAST486_PAGE_TABLE FAST486_PAGE_TABLE
FAST486_GEN_REGS SecondRegister
Definition: common.h:80
ULONG MemoryAddress
Definition: common.h:81
BOOLEAN Memory
Definition: common.h:77
FAST486_GEN_REGS Register
Definition: common.h:76
uint32_t ULONG
Definition: typedefs.h:59
ULONG Present
Definition: common.h:98
ULONG TableAddress
Definition: common.h:107
ULONG Writeable
Definition: common.h:99
ULONG AlwaysZero
Definition: common.h:104
ULONG WriteThrough
Definition: common.h:101
ULONG Usermode
Definition: common.h:100
ULONG Accessed
Definition: common.h:103
ULONG WriteThrough
Definition: common.h:121
_Must_inspect_result_ _In_ WDFDEVICE _In_ PWDF_DEVICE_PROPERTY_DATA _In_ DEVPROPTYPE _In_ ULONG Size
Definition: wdfdevice.h:4533
unsigned char UCHAR
Definition: xmlstorage.h:181