ReactOS 0.4.16-dev-2491-g3dc6630
Classes | Macros | Typedefs | Functions | Variables
machpc98.h File Reference
#include "mm.h"
Include dependency graph for machpc98.h:

Go to the source code of this file.

Classes

struct  _PC98_DISK_DRIVE
 

Macros

#define MEM_EXPMMSZ   0x401
 
#define MEM_BIOS_FLAG5   0x458
 
#define NESA_BUS_FLAG   0x80
 
#define MEM_SCSI_TABLE   0x460
 
#define MEM_KEYB_TYPE   0x481
 
#define MEM_DISK_EQUIPS   0x482
 
#define MEM_RDISK_EQUIP   0x488
 
#define MEM_BIOS_FLAG1   0x501
 
#define CONVENTIONAL_MEMORY_SIZE   0x07 /* In 128 kB */
 
#define HIGH_RESOLUTION_FLAG   0x08
 
#define SYSTEM_CLOCK_8MHZ_FLAG   0x80 /* 0 = PIT runs at 2.4576 MHz, 1 = at 1.9968 MHz */
 
#define MEM_DISK_EQUIP   0x55C
 
#define MEM_DISK_BOOT   0x584
 
#define MEM_EXPMMSZ16M_LOW   0x594
 
#define MEM_EXPMMSZ16M_HIGH   0x595
 
#define MEM_F144_SUPPORT   0x5AE
 
#define MEM_EXTENDED_NORMAL   0xF8E80
 
#define MEM_EXTENDED_HIGH_RESO   0xFFE80
 
#define DRIVE_TYPE_HDD   0
 
#define DRIVE_TYPE_CDROM   1
 
#define DRIVE_TYPE_FDD   2
 
#define DRIVE_FLAGS_IDE   0x01
 
#define DRIVE_FLAGS_LBA   0x02
 
#define DRIVE_FLAGS_REMOVABLE   0x04
 
#define DRIVE_FLAGS_INITIALIZED   0x80
 

Typedefs

typedef struct _PC98_DISK_DRIVE PC98_DISK_DRIVE
 
typedef struct _PC98_DISK_DRIVE * PPC98_DISK_DRIVE
 

Functions

VOID Pc98Beep (VOID)
 
VOID Pc98ConsPutChar (int Ch)
 
BOOLEAN Pc98ConsKbHit (VOID)
 
int Pc98ConsGetCh (VOID)
 
VOID Pc98VideoInit (VOID)
 
VOID Pc98VideoClearScreen (UCHAR Attr)
 
VIDEODISPLAYMODE Pc98VideoSetDisplayMode (PCSTR DisplayMode, BOOLEAN Init)
 
VOID Pc98VideoGetDisplaySize (PULONG Width, PULONG Height, PULONG Depth)
 
ULONG Pc98VideoGetBufferSize (VOID)
 
VOID Pc98VideoGetFontsFromFirmware (PULONG RomFontPointers)
 
VOID Pc98VideoSetTextCursorPosition (UCHAR X, UCHAR Y)
 
VOID Pc98VideoHideShowTextCursor (BOOLEAN Show)
 
VOID Pc98VideoPutChar (int Ch, UCHAR Attr, unsigned X, unsigned Y)
 
VOID Pc98VideoCopyOffScreenBufferToVRAM (PVOID Buffer)
 
BOOLEAN Pc98VideoIsPaletteFixed (VOID)
 
VOID Pc98VideoSetPaletteColor (UCHAR Color, UCHAR Red, UCHAR Green, UCHAR Blue)
 
VOID Pc98VideoGetPaletteColor (UCHAR Color, UCHAR *Red, UCHAR *Green, UCHAR *Blue)
 
VOID Pc98VideoSync (VOID)
 
VOID Pc98VideoPrepareForReactOS (VOID)
 
VOID Pc98PrepareForReactOS (VOID)
 
TIMEINFO * Pc98GetTime (VOID)
 
BOOLEAN Pc98InitializeBootDevices (VOID)
 
PCONFIGURATION_COMPONENT_DATA Pc98HwDetect (_In_opt_ PCSTR Options)
 
VOID Pc98HwIdle (VOID)
 
PFREELDR_MEMORY_DESCRIPTOR Pc98MemGetMemoryMap (ULONG *MemoryMapSize)
 
BOOLEAN PcFindPciBios (PPCI_REGISTRY_INFO BusData)
 
CONFIGURATION_TYPE DiskGetConfigType (_In_ UCHAR DriveNumber)
 
LONG DiskReportError (_In_ BOOLEAN bShowError)
 
BOOLEAN Pc98DiskReadLogicalSectors (_In_ UCHAR DriveNumber, _In_ ULONGLONG SectorNumber, _In_ ULONG SectorCount, _Out_ PVOID Buffer)
 
BOOLEAN Pc98DiskGetDriveGeometry (_In_ UCHAR DriveNumber, _Out_ PGEOMETRY DriveGeometry)
 
ULONG Pc98DiskGetCacheableBlockCount (_In_ UCHAR DriveNumber)
 
UCHAR Pc98GetFloppyCount (VOID)
 
PPC98_DISK_DRIVE Pc98DiskDriveNumberToDrive (_In_ UCHAR DriveNumber)
 
ULONG Pc98GetBootSectorLoadAddress (_In_ UCHAR DriveNumber)
 
BOOLEAN PcInitializeBootDevices (VOID)
 

Variables

BIOS_MEMORY_MAP PcBiosMemoryMap []
 
ULONG PcBiosMapCount
 
UCHAR FrldrBootDrive
 
ULONG FrldrBootPartition
 

Macro Definition Documentation

◆ CONVENTIONAL_MEMORY_SIZE

#define CONVENTIONAL_MEMORY_SIZE   0x07 /* In 128 kB */

Definition at line 36 of file machpc98.h.

◆ DRIVE_FLAGS_IDE

#define DRIVE_FLAGS_IDE   0x01

Definition at line 122 of file machpc98.h.

◆ DRIVE_FLAGS_INITIALIZED

#define DRIVE_FLAGS_INITIALIZED   0x80

Definition at line 125 of file machpc98.h.

◆ DRIVE_FLAGS_LBA

#define DRIVE_FLAGS_LBA   0x02

Definition at line 123 of file machpc98.h.

◆ DRIVE_FLAGS_REMOVABLE

#define DRIVE_FLAGS_REMOVABLE   0x04

Definition at line 124 of file machpc98.h.

◆ DRIVE_TYPE_CDROM

#define DRIVE_TYPE_CDROM   1

Definition at line 117 of file machpc98.h.

◆ DRIVE_TYPE_FDD

#define DRIVE_TYPE_FDD   2

Definition at line 118 of file machpc98.h.

◆ DRIVE_TYPE_HDD

#define DRIVE_TYPE_HDD   0

Definition at line 116 of file machpc98.h.

◆ HIGH_RESOLUTION_FLAG

#define HIGH_RESOLUTION_FLAG   0x08

Definition at line 37 of file machpc98.h.

◆ MEM_BIOS_FLAG1

#define MEM_BIOS_FLAG1   0x501

Definition at line 35 of file machpc98.h.

◆ MEM_BIOS_FLAG5

#define MEM_BIOS_FLAG5   0x458

Definition at line 21 of file machpc98.h.

◆ MEM_DISK_BOOT

#define MEM_DISK_BOOT   0x584

Definition at line 44 of file machpc98.h.

◆ MEM_DISK_EQUIP

#define MEM_DISK_EQUIP   0x55C

Definition at line 41 of file machpc98.h.

◆ MEM_DISK_EQUIPS

#define MEM_DISK_EQUIPS   0x482

Definition at line 30 of file machpc98.h.

◆ MEM_EXPMMSZ

#define MEM_EXPMMSZ   0x401

Definition at line 19 of file machpc98.h.

◆ MEM_EXPMMSZ16M_HIGH

#define MEM_EXPMMSZ16M_HIGH   0x595

Definition at line 50 of file machpc98.h.

◆ MEM_EXPMMSZ16M_LOW

#define MEM_EXPMMSZ16M_LOW   0x594

Definition at line 47 of file machpc98.h.

◆ MEM_EXTENDED_HIGH_RESO

#define MEM_EXTENDED_HIGH_RESO   0xFFE80

Definition at line 56 of file machpc98.h.

◆ MEM_EXTENDED_NORMAL

#define MEM_EXTENDED_NORMAL   0xF8E80

Definition at line 55 of file machpc98.h.

◆ MEM_F144_SUPPORT

#define MEM_F144_SUPPORT   0x5AE

Definition at line 53 of file machpc98.h.

◆ MEM_KEYB_TYPE

#define MEM_KEYB_TYPE   0x481

Definition at line 27 of file machpc98.h.

◆ MEM_RDISK_EQUIP

#define MEM_RDISK_EQUIP   0x488

Definition at line 33 of file machpc98.h.

◆ MEM_SCSI_TABLE

#define MEM_SCSI_TABLE   0x460

Definition at line 24 of file machpc98.h.

◆ NESA_BUS_FLAG

#define NESA_BUS_FLAG   0x80

Definition at line 22 of file machpc98.h.

◆ SYSTEM_CLOCK_8MHZ_FLAG

#define SYSTEM_CLOCK_8MHZ_FLAG   0x80 /* 0 = PIT runs at 2.4576 MHz, 1 = at 1.9968 MHz */

Definition at line 38 of file machpc98.h.

Typedef Documentation

◆ PC98_DISK_DRIVE

typedef struct _PC98_DISK_DRIVE PC98_DISK_DRIVE

◆ PPC98_DISK_DRIVE

typedef struct _PC98_DISK_DRIVE * PPC98_DISK_DRIVE

Function Documentation

◆ DiskGetConfigType()

CONFIGURATION_TYPE DiskGetConfigType ( _In_ UCHAR  DriveNumber)

Definition at line 402 of file pcdisk.c.

404{
405 if ((DriveNumber == FrldrBootDrive)/* && DiskIsDriveRemovable(DriveNumber) */ && (FrldrBootPartition == 0xFF))
406 return CdromController; /* This is our El Torito boot CD-ROM */
407 else if (DiskIsDriveRemovable(DriveNumber))
408 return FloppyDiskPeripheral;
409 else
410 return DiskPeripheral;
411}
DiskIsDriveRemovable
static BOOLEAN DiskIsDriveRemovable(UCHAR DriveNumber)
Definition: pcdisk.c:220
DiskPeripheral
@ DiskPeripheral
Definition: arc.h:138
FloppyDiskPeripheral
@ FloppyDiskPeripheral
Definition: arc.h:139
CdromController
@ CdromController
Definition: arc.h:128
FrldrBootDrive
UCHAR FrldrBootDrive
Definition: uefidisk.c:105
FrldrBootPartition
ULONG FrldrBootPartition
Definition: uefidisk.c:106

◆ DiskReportError()

LONG DiskReportError ( _In_ BOOLEAN  bShowError)

Definition at line 29 of file pc98disk.c.

31{
32 /* Set the reference count */
33 if (bShowError)
34 ++lReportError;
35 else
36 --lReportError;
37 return lReportError;
38}
lReportError
static LONG lReportError
Definition: pc98disk.c:26

◆ Pc98Beep()

VOID Pc98Beep ( VOID  )

Definition at line 10 of file pc98beep.c.

11{
12 REGS Regs;
13
14 /* Int 18h AH=17h
15 * CRT BIOS - Beep on
16 */
17 Regs.b.ah = 0x17;
18 Int386(0x18, &Regs, &Regs);
19
20 StallExecutionProcessor(100000);
21
22 /* Int 18h AH=18h
23 * CRT BIOS - Beep off
24 */
25 Regs.b.ah = 0x18;
26 Int386(0x18, &Regs, &Regs);
27}
Int386
int __cdecl Int386(int ivec, REGS *in, REGS *out)
StallExecutionProcessor
VOID StallExecutionProcessor(ULONG Microseconds)
Definition: pchw.c:60
BYTEREGS::ah
unsigned char ah
Definition: pcbios.h:134
REGS
Definition: pcbios.h:161
REGS::b
BYTEREGS b
Definition: pcbios.h:165

Referenced by MachInit().

◆ Pc98ConsGetCh()

int Pc98ConsGetCh ( VOID  )

Definition at line 85 of file pc98cons.c.

86{
87 static BOOLEAN ExtendedKey = FALSE;
88 static UCHAR ExtendedScanCode = 0;
89 REGS Regs;
90
91 /*
92 * If the last time we were called an
93 * extended key was pressed then return
94 * that keys scan code.
95 */
96 if (ExtendedKey)
97 {
98 ExtendedKey = FALSE;
99
100 return ExtendedScanCode;
101 }
102
103 /* Int 18h AH=00h
104 * KEYBOARD - GET KEYSTROKE
105 *
106 * Return:
107 * AH - BIOS scan code
108 * AL - ASCII character
109 */
110 Regs.b.ah = 0x00;
111 Int386(0x18, &Regs, &Regs);
112
113 /* Check for an extended keystroke */
114 if (Regs.b.al == 0)
115 {
116 ExtendedKey = TRUE;
117 ExtendedScanCode = Regs.b.ah;
118 }
119
120 /* Return keystroke */
121 return Regs.b.al;
122}
BOOLEAN
unsigned char BOOLEAN
Definition: actypes.h:127
TRUE
#define TRUE
Definition: types.h:120
FALSE
#define FALSE
Definition: types.h:117
BYTEREGS::al
unsigned char al
Definition: pcbios.h:133
ExtendedKey
static BOOLEAN ExtendedKey
Definition: ueficon.c:20
ExtendedScanCode
static char ExtendedScanCode
Definition: ueficon.c:21
UCHAR
unsigned char UCHAR
Definition: xmlstorage.h:181

Referenced by MachInit().

◆ Pc98ConsKbHit()

BOOLEAN Pc98ConsKbHit ( VOID  )

Definition at line 64 of file pc98cons.c.

65{
66 REGS Regs;
67
68 /* Int 18h AH=01h
69 * KEYBOARD - CHECK FOR KEYSTROKE
70 *
71 * Return:
72 * BH - status
73 * 00h - if no keystroke available
74 * 01h - if keystroke available
75 * AH - BIOS scan code
76 * AL - ASCII character
77 */
78 Regs.b.ah = 0x01;
79 Int386(0x18, &Regs, &Regs);
80
81 return Regs.b.bh == 1;
82}
BYTEREGS::bh
unsigned char bh
Definition: pcbios.h:137

Referenced by MachInit().

◆ Pc98ConsPutChar()

VOID Pc98ConsPutChar ( int  Ch)

Definition at line 25 of file pc98cons.c.

26{
27 /* If scrolling is needed */
28 if (CursorPosition >= TextCols * TextLines)
29 {
30 RtlMoveMemory((PUSHORT)VramText,
31 (PUSHORT)(VramText + TextCols * TEXT_CHAR_SIZE),
32 TextCols * TextLines * TEXT_CHAR_SIZE);
33
34 CursorPosition -= TextCols;
35 }
36
37 if (Ch == '\n')
38 {
39 if (CursorPosition % TextCols != 0)
40 CursorPosition += TextCols - (CursorPosition % TextCols);
41
42 return;
43 }
44
45 if (Ch == '\t')
46 {
47 Pc98ConsPutChar(' ');
48 Pc98ConsPutChar(' ');
49 Pc98ConsPutChar(' ');
50 Pc98ConsPutChar(' ');
51 Pc98ConsPutChar(' ');
52 Pc98ConsPutChar(' ');
53 Pc98ConsPutChar(' ');
54 Pc98ConsPutChar(' ');
55
56 return;
57 }
58
59 *(PUSHORT)(VramText + CursorPosition * TEXT_CHAR_SIZE) = Ch;
60 ++CursorPosition;
61}
TextLines
UCHAR TextLines
Definition: pc98video.c:22
VramText
ULONG VramText
Definition: pc98video.c:37
TextCols
UCHAR TextCols
Definition: pc98video.c:21
Pc98ConsPutChar
VOID Pc98ConsPutChar(int Ch)
Definition: pc98cons.c:25
TEXT_CHAR_SIZE
#define TEXT_CHAR_SIZE
Definition: pc98cons.c:18
CursorPosition
static USHORT CursorPosition
Definition: pc98cons.c:20
Ch
#define Ch(x, y, z)
Definition: sha2.c:141
PUSHORT
uint16_t * PUSHORT
Definition: typedefs.h:56
RtlMoveMemory
#define RtlMoveMemory(Destination, Source, Length)
Definition: typedefs.h:264

Referenced by MachInit(), and Pc98ConsPutChar().

◆ Pc98DiskDriveNumberToDrive()

PPC98_DISK_DRIVE Pc98DiskDriveNumberToDrive ( _In_ UCHAR  DriveNumber)

Definition at line 150 of file pc98disk.c.

152{
153 PPC98_DISK_DRIVE DiskDrive;
154
155 ASSERT(DriveNumber < RTL_NUMBER_OF(Pc98DiskDrive));
156
157 /* Retrieve a slot */
158 DiskDrive = &Pc98DiskDrive[DriveNumber];
159
160 /* The pre-initialization of the BIOS disks was already done in Pc98InitializeBootDevices() */
161 if (DiskDrive->Flags & DRIVE_FLAGS_INITIALIZED)
162 return DiskDrive;
163 else
164 return NULL;
165}
RTL_NUMBER_OF
#define RTL_NUMBER_OF(x)
Definition: RtlRegistry.c:12
NULL
#define NULL
Definition: types.h:112
DRIVE_FLAGS_INITIALIZED
#define DRIVE_FLAGS_INITIALIZED
Definition: machpc98.h:125
ASSERT
#define ASSERT(a)
Definition: mode.c:44
Pc98DiskDrive
static PC98_DISK_DRIVE Pc98DiskDrive[MAX_DRIVES]
Definition: pc98disk.c:22
_PC98_DISK_DRIVE
Definition: machpc98.h:104
_PC98_DISK_DRIVE::Flags
UCHAR Flags
Definition: machpc98.h:121

Referenced by ChainLoadBiosBootSectorCode(), DiskGetConfigType(), Pc98DiskGetCacheableBlockCount(), Pc98DiskGetDriveGeometry(), Pc98DiskReadLogicalSectors(), and Pc98GetBootSectorLoadAddress().

◆ Pc98DiskGetCacheableBlockCount()

ULONG Pc98DiskGetCacheableBlockCount ( _In_ UCHAR  DriveNumber)

Definition at line 810 of file pc98disk.c.

812{
813 PPC98_DISK_DRIVE DiskDrive;
814
815 DiskDrive = Pc98DiskDriveNumberToDrive(DriveNumber);
816 if (!DiskDrive)
817 return 1; // Unknown count.
818
819 /*
820 * If LBA is supported then the block size will be 64 sectors (32k).
821 * If not then the block size is the size of one track.
822 */
823 if (DiskDrive->Flags & DRIVE_FLAGS_LBA)
824 return 64;
825 else
826 return DiskDrive->Geometry.SectorsPerTrack;
827}
DRIVE_FLAGS_LBA
#define DRIVE_FLAGS_LBA
Definition: machpc98.h:123
Pc98DiskDriveNumberToDrive
PPC98_DISK_DRIVE Pc98DiskDriveNumberToDrive(_In_ UCHAR DriveNumber)
Definition: pc98disk.c:150
_GEOMETRY::SectorsPerTrack
ULONG SectorsPerTrack
Number of sectors per track.
Definition: disk.h:29
_PC98_DISK_DRIVE::Geometry
GEOMETRY Geometry
Definition: machpc98.h:106

Referenced by MachInit().

◆ Pc98DiskGetDriveGeometry()

BOOLEAN Pc98DiskGetDriveGeometry ( _In_ UCHAR  DriveNumber,
_Out_ PGEOMETRY  DriveGeometry 
)

Definition at line 792 of file pc98disk.c.

795{
796 PPC98_DISK_DRIVE DiskDrive;
797
798 TRACE("Pc98DiskGetDriveGeometry(0x%x)\n", DriveNumber);
799
800 DiskDrive = Pc98DiskDriveNumberToDrive(DriveNumber);
801 if (!DiskDrive)
802 return FALSE;
803
804 *Geometry = DiskDrive->Geometry;
805
806 return TRUE;
807}
TRACE
#define TRACE(s)
Definition: solgame.cpp:4

Referenced by DetectBiosDisks(), MachInit(), and Pc98GetHarddiskConfigurationData().

◆ Pc98DiskReadLogicalSectors()

BOOLEAN Pc98DiskReadLogicalSectors ( _In_ UCHAR  DriveNumber,
_In_ ULONGLONG  SectorNumber,
_In_ ULONG  SectorCount,
_Out_ PVOID  Buffer 
)

Definition at line 752 of file pc98disk.c.

757{
758 PPC98_DISK_DRIVE DiskDrive;
759
760 TRACE("Pc98DiskReadLogicalSectors() DriveNumber: 0x%x SectorNumber: %I64u SectorCount: %u Buffer: 0x%x\n",
761 DriveNumber, SectorNumber, SectorCount, Buffer);
762
763 /* 16-bit BIOS addressing limitation */
764 ASSERT(((ULONG_PTR)Buffer) <= 0xFFFFF);
765
766 DiskDrive = Pc98DiskDriveNumberToDrive(DriveNumber);
767 if (!DiskDrive)
768 return FALSE;
769
770 if (DiskDrive->Flags & DRIVE_FLAGS_IDE)
771 {
772 return AtaReadLogicalSectors(AtaGetDevice(DiskDrive->AtaUnitNumber),
773 SectorNumber,
774 SectorCount,
775 Buffer);
776 }
777 else if (DiskDrive->Flags & DRIVE_FLAGS_LBA)
778 {
779 /* LBA is easy, nothing to calculate. Just do the read. */
780 TRACE("--> Using LBA\n");
781 return Pc98DiskReadLogicalSectorsLBA(DiskDrive, SectorNumber, SectorCount, Buffer);
782 }
783 else
784 {
785 /* LBA is not supported, default to CHS */
786 TRACE("--> Using CHS\n");
787 return Pc98DiskReadLogicalSectorsCHS(DiskDrive, SectorNumber, SectorCount, Buffer);
788 }
789}
Buffer
Definition: bufpool.h:45
AtaGetDevice
PDEVICE_UNIT AtaGetDevice(_In_ UCHAR UnitNumber)
Definition: hwide.c:1270
AtaReadLogicalSectors
BOOLEAN AtaReadLogicalSectors(_In_ PDEVICE_UNIT DeviceUnit, _In_ ULONG64 SectorNumber, _In_ ULONG SectorCount, _Out_writes_bytes_all_(SectorCount *DeviceUnit->SectorSize) PVOID Buffer)
Definition: hwide.c:1230
DRIVE_FLAGS_IDE
#define DRIVE_FLAGS_IDE
Definition: machpc98.h:122
SectorCount
ULONG SectorCount
Definition: part_xbox.c:31
Pc98DiskReadLogicalSectorsCHS
static BOOLEAN Pc98DiskReadLogicalSectorsCHS(_In_ PPC98_DISK_DRIVE DiskDrive, _In_ ULONG64 SectorNumber, _In_ ULONG SectorCount, _Out_writes_bytes_all_(SectorCount *DiskDrive->Geometry.BytesPerSector) PVOID Buffer)
Definition: pc98disk.c:266
Pc98DiskReadLogicalSectorsLBA
static BOOLEAN Pc98DiskReadLogicalSectorsLBA(_In_ PPC98_DISK_DRIVE DiskDrive, _In_ ULONG64 SectorNumber, _In_ ULONG SectorCount, _Out_writes_bytes_all_(SectorCount *DiskDrive->Geometry.BytesPerSector) PVOID Buffer)
Definition: pc98disk.c:209
_PC98_DISK_DRIVE::AtaUnitNumber
UCHAR AtaUnitNumber
Definition: machpc98.h:112
ULONG_PTR
uint32_t ULONG_PTR
Definition: typedefs.h:65

Referenced by MachInit().

◆ Pc98GetBootSectorLoadAddress()

ULONG Pc98GetBootSectorLoadAddress ( _In_ UCHAR  DriveNumber)

Definition at line 43 of file machpc98.c.

45{
46 PPC98_DISK_DRIVE DiskDrive;
47
48 DiskDrive = Pc98DiskDriveNumberToDrive(DriveNumber);
49 if (!DiskDrive)
50 {
51 ERR("Failed to get drive 0x%x\n", DriveNumber);
52 return 0x1FC00;
53 }
54
55 if (((DiskDrive->DaUa & 0xF0) == 0x30) ||
56 ((DiskDrive->DaUa & 0xF0) == 0xB0))
57 {
58 /* 1.44 MB floppy */
59 return 0x1FE00;
60 }
61 else if (DiskDrive->Type == DRIVE_TYPE_FDD)
62 {
63 return 0x1FC00;
64 }
65
66 return 0x1F800;
67}
ERR
#define ERR(fmt,...)
Definition: precomp.h:57
DRIVE_TYPE_FDD
#define DRIVE_TYPE_FDD
Definition: machpc98.h:118
_PC98_DISK_DRIVE::Type
UCHAR Type
Definition: machpc98.h:115
_PC98_DISK_DRIVE::DaUa
UCHAR DaUa
Definition: machpc98.h:109

Referenced by ChainLoadBiosBootSectorCode(), and MachGetBootSectorLoadAddress().

◆ Pc98GetFloppyCount()

UCHAR Pc98GetFloppyCount ( VOID  )

Definition at line 1196 of file pc98hw.c.

1197{
1198 USHORT DiskEquipment = *(PUSHORT)MEM_DISK_EQUIP & ~(*(PUCHAR)MEM_RDISK_EQUIP);
1199 UCHAR DiskMask;
1200 UCHAR FloppyCount = 0;
1201
1202 for (DiskMask = 0x01; DiskMask != 0; DiskMask <<= 1)
1203 {
1204 if (FIRSTBYTE(DiskEquipment) & DiskMask)
1205 ++FloppyCount;
1206 }
1207
1208 for (DiskMask = 0x10; DiskMask != 0; DiskMask <<= 1)
1209 {
1210 if (SECONDBYTE(DiskEquipment) & DiskMask)
1211 ++FloppyCount;
1212 }
1213
1214 return FloppyCount;
1215}
MEM_RDISK_EQUIP
#define MEM_RDISK_EQUIP
Definition: machpc98.h:33
MEM_DISK_EQUIP
#define MEM_DISK_EQUIP
Definition: machpc98.h:41
USHORT
unsigned short USHORT
Definition: pedump.c:61
PUCHAR
unsigned char * PUCHAR
Definition: typedefs.h:53
SECONDBYTE
#define SECONDBYTE(VALUE)
Definition: rtlfuncs.h:807
FIRSTBYTE
#define FIRSTBYTE(VALUE)
Definition: rtlfuncs.h:806

Referenced by DetectBiosFloppyController(), DetectBiosFloppyPeripheral(), and MachInit().

◆ Pc98GetTime()

TIMEINFO * Pc98GetTime ( VOID  )

Definition at line 19 of file pc98rtc.c.

20{
21 static TIMEINFO TimeInfo;
22 REGS Regs;
23 UCHAR SysTime[6];
24
25 /* Int 1Ch AH=00h
26 * TIMER BIOS - Read system time
27 *
28 * Call with:
29 * ES:BX -> data buffer
30 */
31 Regs.b.ah = 0x00;
32 Regs.w.es = ((ULONG_PTR)SysTime) >> 4;
33 Regs.w.bx = ((ULONG_PTR)SysTime) & 0x0F;
34 Int386(0x1C, &Regs, &Regs);
35
36 TimeInfo.Year = BCD_INT(SysTime[0]);
37 TimeInfo.Month = BCD_INT(SysTime[1] >> 4);
38 TimeInfo.Day = BCD_INT(SysTime[2]);
39 TimeInfo.Hour = BCD_INT(SysTime[3]);
40 TimeInfo.Minute = BCD_INT(SysTime[4]);
41 TimeInfo.Second = BCD_INT(SysTime[5]);
42 if (TimeInfo.Year >= 80)
43 TimeInfo.Year += 1900;
44 else
45 TimeInfo.Year += 2000;
46
47 return &TimeInfo;
48}
ULONG_PTR
#define ULONG_PTR
Definition: config.h:101
BCD_INT
static UCHAR BCD_INT(_In_ UCHAR Bcd)
Definition: pc98rtc.c:12
WORDREGS::es
unsigned short es
Definition: pcbios.h:123
WORDREGS::bx
unsigned short bx
Definition: pcbios.h:114
_TIMEINFO
Definition: fw.h:10
_TIMEINFO::Month
USHORT Month
Definition: fw.h:12
_TIMEINFO::Day
USHORT Day
Definition: fw.h:13
_TIMEINFO::Minute
USHORT Minute
Definition: fw.h:15
_TIMEINFO::Hour
USHORT Hour
Definition: fw.h:14
_TIMEINFO::Second
USHORT Second
Definition: fw.h:16
_TIMEINFO::Year
USHORT Year
Definition: fw.h:11
REGS::w
WORDREGS w
Definition: pcbios.h:164

Referenced by MachInit().

◆ Pc98HwDetect()

PCONFIGURATION_COMPONENT_DATA Pc98HwDetect ( _In_opt_ PCSTR  Options)

Definition at line 1165 of file pc98hw.c.

1167{
1168 PCONFIGURATION_COMPONENT_DATA SystemKey;
1169 ULONG BusNumber = 0;
1170
1171 TRACE("DetectHardware()\n");
1172
1173 /* Create the 'System' key */
1174 FldrCreateSystemKey(&SystemKey, "NEC PC-98");
1175
1176 GetHarddiskConfigurationData = Pc98GetHarddiskConfigurationData;
1177 FindPciBios = PcFindPciBios;
1178
1179 /* Detect buses */
1180 DetectPciBios(SystemKey, &BusNumber);
1181 DetectApmBios(SystemKey, &BusNumber);
1182 DetectPnpBios(SystemKey, &BusNumber);
1183 DetectNesaBios(SystemKey, &BusNumber);
1184 DetectCBusBios(SystemKey, &BusNumber);
1185 DetectAcpiBios(SystemKey, &BusNumber);
1186 // TODO: Detect more buses
1187
1188 // TODO: Collect the ROM blocks and append their
1189 // CM_ROM_BLOCK data into the 'System' key's configuration data.
1190
1191 TRACE("DetectHardware() Done\n");
1192 return SystemKey;
1193}
FldrCreateSystemKey
VOID FldrCreateSystemKey(_Out_ PCONFIGURATION_COMPONENT_DATA *SystemNode, _In_ PCSTR IdentifierString)
Definition: archwsup.c:135
DetectAcpiBios
VOID DetectAcpiBios(PCONFIGURATION_COMPONENT_DATA SystemKey, ULONG *BusNumber)
Definition: hwacpi.c:59
DetectPciBios
VOID DetectPciBios(PCONFIGURATION_COMPONENT_DATA SystemKey, ULONG *BusNumber)
Definition: hwpci.c:174
PcFindPciBios
BOOLEAN PcFindPciBios(PPCI_REGISTRY_INFO BusData)
Definition: hwpci.c:80
FindPciBios
FIND_PCI_BIOS FindPciBios
Definition: hwpci.c:26
DetectApmBios
VOID DetectApmBios(PCONFIGURATION_COMPONENT_DATA SystemKey, ULONG *BusNumber)
Definition: hwapm.c:46
DetectPnpBios
static VOID DetectPnpBios(PCONFIGURATION_COMPONENT_DATA SystemKey, ULONG *BusNumber)
Definition: pc98hw.c:1036
GetHarddiskConfigurationData
GET_HARDDISK_CONFIG_DATA GetHarddiskConfigurationData
Definition: pc98hw.c:23
DetectNesaBios
static VOID DetectNesaBios(PCONFIGURATION_COMPONENT_DATA SystemKey, ULONG *BusNumber)
Definition: pc98hw.c:996
Pc98GetHarddiskConfigurationData
static PCM_PARTIAL_RESOURCE_LIST Pc98GetHarddiskConfigurationData(UCHAR DriveNumber, ULONG *pSize)
Definition: pc98hw.c:314
DetectCBusBios
static VOID DetectCBusBios(PCONFIGURATION_COMPONENT_DATA SystemKey, ULONG *BusNumber)
Definition: pc98hw.c:951
_CONFIGURATION_COMPONENT_DATA
Definition: arc.h:283
ULONG
uint32_t ULONG
Definition: typedefs.h:59
BusNumber
_In_opt_ PUNICODE_STRING _In_ PDRIVER_OBJECT _In_ PDEVICE_OBJECT _In_ INTERFACE_TYPE _In_ ULONG BusNumber
Definition: halfuncs.h:160

Referenced by MachInit().

◆ Pc98HwIdle()

VOID Pc98HwIdle ( VOID  )

Definition at line 29 of file machpc98.c.

30{
31 /* Unimplemented */
32}

Referenced by MachInit().

◆ Pc98InitializeBootDevices()

BOOLEAN Pc98InitializeBootDevices ( VOID  )

Definition at line 660 of file pc98disk.c.

661{
662 USHORT DiskEquipment = *(PUSHORT)MEM_DISK_EQUIP & ~(*(PUCHAR)MEM_RDISK_EQUIP);
663 PPC98_DISK_DRIVE DiskDrive;
664 UCHAR BiosFloppyDriveNumber, BiosHardDriveDriveNumber, IdeDetectedCount;
665 ULONG i;
666
667 TRACE("Pc98InitializeBootDevices()\n");
668
669 RtlZeroMemory(&Pc98DiskDrive, sizeof(Pc98DiskDrive));
670
671 /*
672 * We emulate the standard PC BIOS drive numbers here. Map DA/UA to a drive number, i.e.
673 * 0x90 -> 0x30
674 * 0x80 -> 0x80
675 * 0xA0 -> 0x81, etc.
676 */
677 BiosFloppyDriveNumber = 0x30;
678 BiosHardDriveDriveNumber = 0x80;
679
680 /* Map floppies */
681 for (i = 0; i < 4; i++)
682 {
683 DiskDrive = &Pc98DiskDrive[BiosFloppyDriveNumber];
684 if (FIRSTBYTE(DiskEquipment) & (1 << i))
685 {
686 if (InitFloppyDrive(DiskDrive, 0x30 + i) || InitFloppyDrive(DiskDrive, 0xB0 + i) ||
687 InitFloppyDrive(DiskDrive, 0x90 + i) || InitFloppyDrive(DiskDrive, 0x10 + i))
688 ++BiosFloppyDriveNumber;
689 }
690 }
691 for (i = 0; i < 4; i++)
692 {
693 DiskDrive = &Pc98DiskDrive[BiosFloppyDriveNumber];
694 if (FIRSTBYTE(DiskEquipment) & (16 << i))
695 {
696 if (InitFloppyDrive(DiskDrive, 0x50 + i))
697 ++BiosFloppyDriveNumber;
698 }
699 }
700 for (i = 0; i < 4; i++)
701 {
702 DiskDrive = &Pc98DiskDrive[BiosFloppyDriveNumber];
703 if (SECONDBYTE(DiskEquipment) & (16 << i))
704 {
705 if (InitFloppyDrive(DiskDrive, 0x70 + i) || InitFloppyDrive(DiskDrive, 0xF0 + i))
706 ++BiosFloppyDriveNumber;
707 }
708 }
709
710 /*
711 * Map IDE drives. We provide our own IDE boot support because of IDE BIOS
712 * that cannot boot from a CD-ROM and has LBA limitations.
713 */
714 AtaInit(&IdeDetectedCount);
715 for (i = 0; i <= IdeDetectedCount; i++)
716 {
717 DiskDrive = &Pc98DiskDrive[BiosHardDriveDriveNumber];
718 if (InitIdeDrive(DiskDrive, i))
719 ++BiosHardDriveDriveNumber;
720 }
721
722 /* Map SCSI drives */
723 for (i = 0; i < 7; i++)
724 {
725 DiskDrive = &Pc98DiskDrive[BiosHardDriveDriveNumber];
726 if (InitScsiDrive(DiskDrive, 0xA0 + i) || InitScsiDrive(DiskDrive, 0x20 + i))
727 ++BiosHardDriveDriveNumber;
728 }
729
730 // Ugly HACK: Force ISO boot
731 // FIXME: Fill ARC disk blocks completely
732 // to allow usage of CD-ROM root path (See floppy_pc98.ini).
733 for (i = 0x80; i < RTL_NUMBER_OF(Pc98DiskDrive); i++)
734 {
735 DiskDrive = &Pc98DiskDrive[i];
736
737 if ((DiskDrive->Flags & DRIVE_FLAGS_INITIALIZED) &&
738 (DiskDrive->Flags & DRIVE_FLAGS_IDE) &&
739 (DiskDrive->Type == DRIVE_TYPE_CDROM))
740 {
741 FrldrBootDrive = i;
742 FrldrBootPartition = 0xFF;
743 break;
744 }
745 }
746
747 /* Call PC version */
748 return PcInitializeBootDevices();
749}
i
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
PcInitializeBootDevices
BOOLEAN PcInitializeBootDevices(VOID)
Definition: hwdisk.c:458
AtaInit
BOOLEAN AtaInit(_Out_ PUCHAR DetectedCount)
Definition: hwide.c:1280
DRIVE_TYPE_CDROM
#define DRIVE_TYPE_CDROM
Definition: machpc98.h:117
InitScsiDrive
static BOOLEAN InitScsiDrive(_Out_ PPC98_DISK_DRIVE DiskDrive, _In_ UCHAR DaUa)
Definition: pc98disk.c:401
InitFloppyDrive
static BOOLEAN InitFloppyDrive(_Out_ PPC98_DISK_DRIVE DiskDrive, _In_ UCHAR DaUa)
Definition: pc98disk.c:500
InitIdeDrive
static BOOLEAN InitIdeDrive(_Out_ PPC98_DISK_DRIVE DiskDrive, _In_ UCHAR AtaUnitNumber)
Definition: pc98disk.c:612
RtlZeroMemory
#define RtlZeroMemory(Destination, Length)
Definition: typedefs.h:262

Referenced by MachInit().

◆ Pc98MemGetMemoryMap()

PFREELDR_MEMORY_DESCRIPTOR Pc98MemGetMemoryMap ( ULONG *  MemoryMapSize)

Definition at line 48 of file pc98mem.c.

49{
50 USHORT ConventionalMemory, ExtendedMemory;
51 ULONG ExtendedMemory16;
52
53 TRACE("Pc98MemGetMemoryMap()\n");
54
55 RtlZeroMemory(&PcBiosMemoryMap, sizeof(BIOS_MEMORY_MAP) * MAX_BIOS_DESCRIPTORS);
56 PcBiosMapCount = 0;
57
58 ConventionalMemory = ((*(PUCHAR)MEM_BIOS_FLAG1 & CONVENTIONAL_MEMORY_SIZE) + 1) * 128;
59 ExtendedMemory = *(PUCHAR)MEM_EXPMMSZ * 128;
60 ExtendedMemory16 = (*(PUCHAR)MEM_EXPMMSZ16M_LOW + (*(PUCHAR)MEM_EXPMMSZ16M_HIGH << 8)) * 1024;
61
62 if (ConventionalMemory > 640 && !HiResoMachine)
63 ConventionalMemory = 640;
64
65 TRACE("Total conventional memory %d kB available.\n", ConventionalMemory);
66 TRACE("Total extended memory %d kB available.\n", ExtendedMemory);
67 TRACE("Total extended high memory %d kB available.\n", ExtendedMemory16);
68 TRACE("Installed physical memory %d kB.\n", ConventionalMemory + ExtendedMemory + ExtendedMemory16);
69
70 /* First, setup allowed ranges */
71 SetMemory(Pc98MemoryMap, 0x0000600, ConventionalMemory * KB, LoaderFree);
72 SetMemory(Pc98MemoryMap, 0x0100000, ExtendedMemory * KB, LoaderFree);
73 SetMemory(Pc98MemoryMap, 0x1000000, ExtendedMemory16 * KB, LoaderFree);
74
75 /* Next, setup some protected ranges */
76 if (HiResoMachine)
77 {
78 SetMemory(Pc98MemoryMap, 0x000000, 1 * KB, LoaderFirmwarePermanent); /* Real mode IVT */
79 SetMemory(Pc98MemoryMap, 0x000400, 512, LoaderFirmwarePermanent); /* Real mode BDA */
80 SetMemory(Pc98MemoryMap, 0x080000, 256 * KB, LoaderFirmwarePermanent);/* Memory Window */
81 SetMemory(Pc98MemoryMap, 0x0C0000, 128 * KB, LoaderFirmwarePermanent);/* VRAM */
82 SetMemory(Pc98MemoryMap, 0x0E0000, 16 * KB, LoaderFirmwarePermanent); /* Text VRAM */
83 SetMemory(Pc98MemoryMap, 0x0E4000, 4 * KB, LoaderFirmwarePermanent); /* CG Window */
84 SetMemory(Pc98MemoryMap, 0x0E5000, 103 * KB, LoaderSpecialMemory); /* BIOS ROM */
85 SetMemory(Pc98MemoryMap, 0xF00000, 640 * KB, LoaderSpecialMemory); /* Reserved */
86 }
87 else
88 {
89 SetMemory(Pc98MemoryMap, 0x000000, 1 * KB, LoaderFirmwarePermanent); /* Real mode IVT */
90 SetMemory(Pc98MemoryMap, 0x000400, 512, LoaderFirmwarePermanent); /* Real mode BDA */
91 SetMemory(Pc98MemoryMap, 0x000600 + ConventionalMemory * KB,
92 (640 - ConventionalMemory) * KB, LoaderSpecialMemory); /* External bus */
93 SetMemory(Pc98MemoryMap, 0x0A0000, 16 * KB, LoaderFirmwarePermanent); /* Text VRAM */
94 SetMemory(Pc98MemoryMap, 0x0A4000, 4 * KB, LoaderFirmwarePermanent); /* CG Window */
95 SetMemory(Pc98MemoryMap, 0x0A5000, 12 * KB, LoaderFirmwarePermanent); /* Reserved */
96 SetMemory(Pc98MemoryMap, 0x0A8000, 96 * KB, LoaderFirmwarePermanent); /* VRAM (Plane B, R, G) */
97 SetMemory(Pc98MemoryMap, 0x0C0000, 128 * KB, LoaderSpecialMemory); /* BIOS ROM (Peripherals) */
98 SetMemory(Pc98MemoryMap, 0x0E0000, 32 * KB, LoaderFirmwarePermanent); /* VRAM (Plane I) */
99 SetMemory(Pc98MemoryMap, 0x0E8000, 96 * KB, LoaderSpecialMemory); /* BIOS ROM */
100 SetMemory(Pc98MemoryMap, 0xF00000, 640 * KB, LoaderSpecialMemory); /* Reserved */
101 }
102
103 *MemoryMapSize = PcMemFinalizeMemoryMap(Pc98MemoryMap);
104 return Pc98MemoryMap;
105}
MEM_EXPMMSZ16M_HIGH
#define MEM_EXPMMSZ16M_HIGH
Definition: machpc98.h:50
MEM_EXPMMSZ16M_LOW
#define MEM_EXPMMSZ16M_LOW
Definition: machpc98.h:47
MEM_BIOS_FLAG1
#define MEM_BIOS_FLAG1
Definition: machpc98.h:35
MEM_EXPMMSZ
#define MEM_EXPMMSZ
Definition: machpc98.h:19
CONVENTIONAL_MEMORY_SIZE
#define CONVENTIONAL_MEMORY_SIZE
Definition: machpc98.h:36
KB
#define KB
Definition: pc98mem.c:40
PcMemFinalizeMemoryMap
ULONG PcMemFinalizeMemoryMap(PFREELDR_MEMORY_DESCRIPTOR MemoryMap)
Definition: pcmem.c:554
Pc98MemoryMap
static FREELDR_MEMORY_DESCRIPTOR Pc98MemoryMap[MAX_BIOS_DESCRIPTORS+1]
Definition: pc98mem.c:43
SetMemory
VOID SetMemory(PFREELDR_MEMORY_DESCRIPTOR MemoryMap, ULONG_PTR BaseAddress, SIZE_T Size, TYPE_OF_MEMORY MemoryType)
Definition: pcmem.c:534
HiResoMachine
BOOLEAN HiResoMachine
Definition: machpc98.c:17
MAX_BIOS_DESCRIPTORS
#define MAX_BIOS_DESCRIPTORS
Definition: pcbios.h:12
PcBiosMapCount
ULONG PcBiosMapCount
Definition: pcmem.c:38
PcBiosMemoryMap
BIOS_MEMORY_MAP PcBiosMemoryMap[MAX_BIOS_DESCRIPTORS]
Definition: pcmem.c:37
LoaderFree
@ LoaderFree
Definition: arc.h:295
LoaderFirmwarePermanent
@ LoaderFirmwarePermanent
Definition: arc.h:299
LoaderSpecialMemory
@ LoaderSpecialMemory
Definition: arc.h:315
BIOS_MEMORY_MAP
Definition: osloader.h:32

Referenced by MachInit().

◆ Pc98PrepareForReactOS()

VOID Pc98PrepareForReactOS ( VOID  )

Definition at line 35 of file machpc98.c.

36{
37 Pc98VideoPrepareForReactOS();
38 DiskStopFloppyMotor();
39 DebugDisableScreenPort();
40}
DebugDisableScreenPort
#define DebugDisableScreenPort()
Definition: debug.h:123
DiskStopFloppyMotor
VOID __cdecl DiskStopFloppyMotor(VOID)
Definition: pc98hw.c:1217
Pc98VideoPrepareForReactOS
VOID Pc98VideoPrepareForReactOS(VOID)
Definition: pc98video.c:443

Referenced by MachInit().

◆ Pc98VideoClearScreen()

VOID Pc98VideoClearScreen ( UCHAR  Attr)

Definition at line 164 of file pc98video.c.

165{
166 USHORT i;
167 USHORT B = (Attr & 0x10) ? 0xFFFF : 0;
168 USHORT G = (Attr & 0x20) ? 0xFFFF : 0;
169 USHORT R = (Attr & 0x40) ? 0xFFFF : 0;
170 USHORT I = (Attr & 0x80) ? 0xFFFF : 0;
171
172 for (i = 0; i < VRAM_TEXT_SIZE; i += TEXT_CHAR_SIZE)
173 *(PUSHORT)(VramText + i) = ' ';
174
175 for (i = 0; i < BYTES_PER_SCANLINE * SCREEN_HEIGHT; i += sizeof(USHORT))
176 {
177 *(PUSHORT)(VramPlaneB + i) = B;
178 *(PUSHORT)(VramPlaneG + i) = G;
179 *(PUSHORT)(VramPlaneR + i) = R;
180 *(PUSHORT)(VramPlaneI + i) = I;
181 }
182}
G
#define G(r, i, a, b, c, d)
Definition: blake2b-ref.c:117
B
Definition: ehthrow.cxx:54
B
#define B(row, col)
I
#define I(s)
VramPlaneB
static ULONG VramPlaneB
Definition: pc98video.c:38
VramText
ULONG VramText
Definition: pc98video.c:37
VramPlaneG
static ULONG VramPlaneG
Definition: pc98video.c:39
VramPlaneR
static ULONG VramPlaneR
Definition: pc98video.c:40
SCREEN_HEIGHT
#define SCREEN_HEIGHT
Definition: pc98video.c:25
VramPlaneI
static ULONG VramPlaneI
Definition: pc98video.c:41
BYTES_PER_SCANLINE
#define BYTES_PER_SCANLINE
Definition: pc98video.c:26
TEXT_CHAR_SIZE
#define TEXT_CHAR_SIZE
Definition: pc98video.c:20
VRAM_TEXT_SIZE
#define VRAM_TEXT_SIZE
Definition: video.h:19
R
#define R(b, x)
Definition: sha2.c:134

Referenced by ChainLoadBiosBootSectorCode(), and MachInit().

◆ Pc98VideoCopyOffScreenBufferToVRAM()

VOID Pc98VideoCopyOffScreenBufferToVRAM ( PVOID  Buffer)

Definition at line 381 of file pc98video.c.

382{
383 PUCHAR OffScreenBuffer = (PUCHAR)Buffer;
384 USHORT X, Y;
385
386 for (Y = 0; Y < SCREEN_HEIGHT / CHAR_HEIGHT; Y++)
387 {
388 for (X = 0; X < SCREEN_WIDTH / CHAR_WIDTH; X++)
389 {
390 Pc98VideoPutChar(OffScreenBuffer[0], OffScreenBuffer[1], X, Y);
391 OffScreenBuffer += VGA_CHAR_SIZE;
392 }
393 }
394}
Y
#define Y(I)
X
#define X(b, s)
SCREEN_WIDTH
#define SCREEN_WIDTH
Definition: pc98video.c:24
VGA_CHAR_SIZE
#define VGA_CHAR_SIZE
Definition: pc98video.c:18
Pc98VideoPutChar
VOID Pc98VideoPutChar(int Ch, UCHAR Attr, unsigned X, unsigned Y)
Definition: pc98video.c:313
CHAR_WIDTH
#define CHAR_WIDTH
Definition: vgafont.h:10
CHAR_HEIGHT
#define CHAR_HEIGHT
Definition: vgafont.h:11

Referenced by MachInit().

◆ Pc98VideoGetBufferSize()

ULONG Pc98VideoGetBufferSize ( VOID  )

Definition at line 200 of file pc98video.c.

201{
202 return (SCREEN_WIDTH / CHAR_WIDTH) * (SCREEN_HEIGHT / CHAR_HEIGHT) * VGA_CHAR_SIZE;
203}

Referenced by MachInit().

◆ Pc98VideoGetDisplaySize()

VOID Pc98VideoGetDisplaySize ( PULONG  Width,
PULONG  Height,
PULONG  Depth 
)

Definition at line 192 of file pc98video.c.

193{
194 *Width = SCREEN_WIDTH / CHAR_WIDTH;
195 *Height = SCREEN_HEIGHT / CHAR_HEIGHT;
196 *Depth = 0;
197}
Width
_In_ HFONT _Out_ PUINT _Out_ PUINT Width
Definition: font.h:89
Height
_In_ HFONT _Out_ PUINT Height
Definition: font.h:88
Depth
_In_opt_ PALLOCATE_FUNCTION _In_opt_ PFREE_FUNCTION _In_ ULONG _In_ SIZE_T _In_ ULONG _In_ USHORT Depth
Definition: exfuncs.h:819

Referenced by MachInit().

◆ Pc98VideoGetFontsFromFirmware()

VOID Pc98VideoGetFontsFromFirmware ( PULONG  RomFontPointers)

Definition at line 206 of file pc98video.c.

207{
208 *RomFontPointers = VramText + 0x4000;
209}
RomFontPointers
#define RomFontPointers
Definition: winldr.c:348

Referenced by MachInit().

◆ Pc98VideoGetPaletteColor()

VOID Pc98VideoGetPaletteColor ( UCHAR  Color,
UCHAR *  Red,
UCHAR *  Green,
UCHAR *  Blue 
)

Definition at line 415 of file pc98video.c.

416{
417 if (Color < 16)
418 {
419 WRITE_PORT_UCHAR((PUCHAR)GDC2_IO_o_PALETTE_INDEX, Color);
420 *Red = READ_PORT_UCHAR((PUCHAR)GDC2_IO_i_RED);
421 *Green = READ_PORT_UCHAR((PUCHAR)GDC2_IO_i_GREEN);
422 *Blue = READ_PORT_UCHAR((PUCHAR)GDC2_IO_i_BLUE);
423 }
424 else
425 {
426 *Red = 0;
427 *Green = 0;
428 *Blue = 0;
429 }
430}
READ_PORT_UCHAR
#define READ_PORT_UCHAR(p)
Definition: pc98vid.h:22
WRITE_PORT_UCHAR
#define WRITE_PORT_UCHAR(p, d)
Definition: pc98vid.h:21
GDC2_IO_i_BLUE
#define GDC2_IO_i_BLUE
Definition: video.h:267
GDC2_IO_o_PALETTE_INDEX
#define GDC2_IO_o_PALETTE_INDEX
Definition: video.h:275
GDC2_IO_i_RED
#define GDC2_IO_i_RED
Definition: video.h:266
GDC2_IO_i_GREEN
#define GDC2_IO_i_GREEN
Definition: video.h:265

Referenced by MachInit().

◆ Pc98VideoHideShowTextCursor()

VOID Pc98VideoHideShowTextCursor ( BOOLEAN  Show)

Definition at line 225 of file pc98video.c.

226{
227 CSRFORMPARAM CursorParameters;
228
229 RtlZeroMemory(&CursorParameters, sizeof(CSRFORMPARAM));
230 CursorParameters.Show = Show;
231 CursorParameters.Blink = TRUE;
232 CursorParameters.BlinkRate = 12;
233 CursorParameters.LinesPerRow = 16;
234 CursorParameters.StartScanLine = 12;
235 CursorParameters.EndScanLine = 15;
236
237 WRITE_PORT_UCHAR((PUCHAR)GDC1_IO_o_COMMAND, GDC_COMMAND_CSRFORM);
238 WRITE_GDC_CSRFORM((PUCHAR)GDC1_IO_o_PARAM, &CursorParameters);
239}
WRITE_GDC_CSRFORM
FORCEINLINE VOID WRITE_GDC_CSRFORM(PUCHAR Port, PCSRFORMPARAM CursorParameters)
Definition: video.h:186
GDC1_IO_o_COMMAND
#define GDC1_IO_o_COMMAND
Definition: video.h:235
GDC1_IO_o_PARAM
#define GDC1_IO_o_PARAM
Definition: video.h:234
GDC_COMMAND_CSRFORM
#define GDC_COMMAND_CSRFORM
Definition: video.h:173
_CSRFORMPARAM
Definition: video.h:175
_CSRFORMPARAM::StartScanLine
UCHAR StartScanLine
Definition: video.h:180
_CSRFORMPARAM::LinesPerRow
UCHAR LinesPerRow
Definition: video.h:179
_CSRFORMPARAM::Show
BOOLEAN Show
Definition: video.h:176
_CSRFORMPARAM::EndScanLine
UCHAR EndScanLine
Definition: video.h:181
_CSRFORMPARAM::Blink
BOOLEAN Blink
Definition: video.h:177
_CSRFORMPARAM::BlinkRate
UCHAR BlinkRate
Definition: video.h:178

Referenced by MachInit(), and Pc98VideoPrepareForReactOS().

◆ Pc98VideoInit()

VOID Pc98VideoInit ( VOID  )

Definition at line 66 of file pc98video.c.

67{
68 REGS Regs;
69 USHORT i;
70
71 if (HiResoMachine)
72 {
73 VramPlaneB = VRAM_HI_RESO_PLANE_B;
74 VramPlaneG = VRAM_HI_RESO_PLANE_G;
75 VramPlaneR = VRAM_HI_RESO_PLANE_R;
76 VramPlaneI = VRAM_HI_RESO_PLANE_I;
77 VramText = VRAM_HI_RESO_TEXT;
78 TextCols = 80;
79 TextLines = 31;
80 }
81 else
82 {
83 VramPlaneB = VRAM_NORMAL_PLANE_B;
84 VramPlaneG = VRAM_NORMAL_PLANE_G;
85 VramPlaneR = VRAM_NORMAL_PLANE_R;
86 VramPlaneI = VRAM_NORMAL_PLANE_I;
87 VramText = VRAM_NORMAL_TEXT;
88 TextCols = 80;
89 TextLines = 25;
90 }
91
92 for (i = 0; i < VRAM_ATTR_SIZE; i += TEXT_CHAR_SIZE)
93 *(PUCHAR)(VramText + VRAM_TEXT_ATTR_OFFSET + i) = GDC_ATTR_WHITE | GDC_ATTR_VISIBLE;
94
95 /* Int 18h AH=41h
96 * CRT BIOS - Stop displaying graphics
97 */
98 Regs.b.ah = 0x41;
99 Int386(0x18, &Regs, &Regs);
100
101 /* Int 18h AH=42h
102 * CRT BIOS - Set display area
103 *
104 * CH0-CH3 - always zero
105 * CH4 - video page
106 * CH5 - CRT display mode
107 * 0 - color
108 * 1 - monochrome
109 * CH6-CH7 - VRAM area
110 * 01 - Upper-half (16-32 kB), 640x200
111 * 10 - Lower-half (0-16 kB), 640x200
112 * 11 - All (0-32 kB), 640x400
113 */
114 Regs.b.ah = 0x42;
115 Regs.b.ch = 0xC0;
116 Int386(0x18, &Regs, &Regs); /* 640x400 */
117
118 WRITE_PORT_UCHAR((PUCHAR)GDC2_IO_o_MODE_FLIPFLOP2, GDC2_MODE_COLORS_16);
119 WRITE_PORT_UCHAR((PUCHAR)GDC2_IO_o_VIDEO_PAGE, 0);
120 WRITE_PORT_UCHAR((PUCHAR)GDC2_IO_o_VIDEO_PAGE_ACCESS, 0);
121
122 Pc98VideoSync();
123 for (i = 0; i < RTL_NUMBER_OF(CgaPalette); i++)
124 Pc98VideoSetPaletteColor(i, CgaPalette[i].Red, CgaPalette[i].Green, CgaPalette[i].Blue);
125
126 /* Int 18h AH=0Ah
127 * CRT BIOS - Set text screen mode
128 *
129 * AL0 - text rows
130 * 0 - 25
131 * 1 - 20
132 * AL1 - text cols
133 * 0 - 80
134 * 1 - 40
135 * AL2 - text attribute
136 * 0 - with vertical line
137 * 1 - normal
138 * AL3 - KCG access mode
139 * 0 - code
140 * 1 - bitmap
141 * AL4-AL7 - always zero
142 *
143 * High-resolution machine:
144 * AL4 - text rows, AL3 - KCG access mode
145 */
146 Regs.b.ah = 0x0A;
147 Regs.b.al = HiResoMachine ? 0x10 : 0x00;
148 Int386(0x18, &Regs, &Regs); /* 80x25(31) */
149
150 /* Int 18h AH=0Ch
151 * CRT BIOS - Start displaying text
152 */
153 Regs.b.ah = 0x0C;
154 Int386(0x18, &Regs, &Regs);
155
156 /* Int 18h AH=40h
157 * CRT BIOS - Start displaying graphics
158 */
159 Regs.b.ah = 0x40;
160 Int386(0x18, &Regs, &Regs);
161}
TextLines
UCHAR TextLines
Definition: pc98video.c:22
TextCols
UCHAR TextCols
Definition: pc98video.c:21
Pc98VideoSync
VOID Pc98VideoSync(VOID)
Definition: pc98video.c:433
Pc98VideoSetPaletteColor
VOID Pc98VideoSetPaletteColor(UCHAR Color, UCHAR Red, UCHAR Green, UCHAR Blue)
Definition: pc98video.c:403
HiResoMachine
BOOLEAN HiResoMachine
Definition: machpc98.c:17
CgaPalette
static const PALETTE_ENTRY CgaPalette[]
Definition: pc98video.c:43
VRAM_TEXT_ATTR_OFFSET
#define VRAM_TEXT_ATTR_OFFSET
Definition: video.h:18
GDC2_IO_o_MODE_FLIPFLOP2
#define GDC2_IO_o_MODE_FLIPFLOP2
Definition: video.h:280
VRAM_ATTR_SIZE
#define VRAM_ATTR_SIZE
Definition: video.h:20
GDC_ATTR_VISIBLE
#define GDC_ATTR_VISIBLE
Definition: video.h:45
VRAM_HI_RESO_PLANE_B
#define VRAM_HI_RESO_PLANE_B
Definition: video.h:28
GDC2_IO_o_VIDEO_PAGE_ACCESS
#define GDC2_IO_o_VIDEO_PAGE_ACCESS
Definition: video.h:274
VRAM_HI_RESO_PLANE_R
#define VRAM_HI_RESO_PLANE_R
Definition: video.h:30
VRAM_NORMAL_PLANE_B
#define VRAM_NORMAL_PLANE_B
Definition: video.h:12
VRAM_HI_RESO_PLANE_I
#define VRAM_HI_RESO_PLANE_I
Definition: video.h:31
VRAM_HI_RESO_PLANE_G
#define VRAM_HI_RESO_PLANE_G
Definition: video.h:29
GDC_ATTR_WHITE
#define GDC_ATTR_WHITE
Definition: video.h:58
VRAM_NORMAL_TEXT
#define VRAM_NORMAL_TEXT
Definition: video.h:17
GDC2_IO_o_VIDEO_PAGE
#define GDC2_IO_o_VIDEO_PAGE
Definition: video.h:273
GDC2_MODE_COLORS_16
#define GDC2_MODE_COLORS_16
Definition: video.h:282
VRAM_NORMAL_PLANE_I
#define VRAM_NORMAL_PLANE_I
Definition: video.h:15
VRAM_NORMAL_PLANE_G
#define VRAM_NORMAL_PLANE_G
Definition: video.h:13
VRAM_HI_RESO_TEXT
#define VRAM_HI_RESO_TEXT
Definition: video.h:32
VRAM_NORMAL_PLANE_R
#define VRAM_NORMAL_PLANE_R
Definition: video.h:14
BYTEREGS::ch
unsigned char ch
Definition: pcbios.h:140

Referenced by MachInit().

◆ Pc98VideoIsPaletteFixed()

BOOLEAN Pc98VideoIsPaletteFixed ( VOID  )

Definition at line 397 of file pc98video.c.

398{
399 return FALSE;
400}

Referenced by MachInit().

◆ Pc98VideoPrepareForReactOS()

VOID Pc98VideoPrepareForReactOS ( VOID  )

Definition at line 443 of file pc98video.c.

444{
445 REGS Regs;
446
447 /* Int 18h AH=41h
448 * CRT BIOS - Stop displaying graphics
449 */
450 Regs.b.ah = 0x41;
451 Int386(0x18, &Regs, &Regs);
452
453 Pc98VideoHideShowTextCursor(FALSE);
454
455 if (UseCGFont && CGAccelDraw)
456 {
457 /* Clear the text screen, resetting to default attributes */
458 for (USHORT i = 0; i < VRAM_TEXT_SIZE; i += TEXT_CHAR_SIZE)
459 {
460 *(PUSHORT)(VramText + i) = ' ';
461 *(PUCHAR)(VramText + VRAM_TEXT_ATTR_OFFSET + i) = GDC_ATTR_WHITE | GDC_ATTR_VISIBLE;
462 }
463 }
464}
CGAccelDraw
static BOOLEAN CGAccelDraw
Definition: pc98video.c:33
Pc98VideoHideShowTextCursor
VOID Pc98VideoHideShowTextCursor(BOOLEAN Show)
Definition: pc98video.c:225
UseCGFont
static BOOLEAN UseCGFont
Definition: pc98video.c:29

Referenced by Pc98PrepareForReactOS().

◆ Pc98VideoPutChar()

VOID Pc98VideoPutChar ( int  Ch,
UCHAR  Attr,
unsigned  X,
unsigned  Y 
)

Definition at line 313 of file pc98video.c.

314{
315 UCHAR Line;
316 UCHAR B = (Attr & 0x10) ? 0xFF : 0;
317 UCHAR G = (Attr & 0x20) ? 0xFF : 0;
318 UCHAR R = (Attr & 0x40) ? 0xFF : 0;
319 UCHAR I = (Attr & 0x80) ? 0xFF : 0;
320 ULONG VramOffset = X + (Y * CHAR_HEIGHT) * BYTES_PER_SCANLINE;
321 const UCHAR* FontPtr = BitmapFont8x16 + Ch * CHAR_HEIGHT;
322 BOOLEAN CGFont = UseCGFont && (Ch != LIGHT_FILL && Ch != MEDIUM_FILL && Ch != DARK_FILL);
323
324 if (CGFont)
325 {
326 Ch = Pc98AsciiToJisX(Ch);
327
328 if (CGAccelDraw)
329 {
330 Pc98VideoTextRamPutChar(Ch, Attr, X, Y);
331 }
332 else
333 {
334 /* Set needed character code to obtain glyph from CG Window */
335 WRITE_PORT_UCHAR((PUCHAR)KCG_IO_o_CHARCODE_LOW, Ch);
336 WRITE_PORT_UCHAR((PUCHAR)KCG_IO_o_CHARCODE_HIGH, Ch >> 8);
337 }
338 }
339 else if (UseCGFont && CGAccelDraw)
340 {
341 /* Clear character at this place in Text RAM */
342 Pc98VideoTextRamPutChar(' ', Attr, X, Y);
343 }
344
345 for (Line = 0; Line < CHAR_HEIGHT; Line++)
346 {
347 UCHAR CharLine = FontPtr[Line];
348 if (CGFont)
349 {
350 if (CGAccelDraw)
351 {
352 /* Character is already displayed by GDC (Text RAM),
353 * so display only background for it. */
354 CharLine = 0;
355 }
356 else
357 {
358 /* Obtain glyph data from CG Window */
359 WRITE_PORT_UCHAR((PUCHAR)KCG_IO_o_LINE, Line | 0x20);
360 CharLine = READ_PORT_UCHAR((PUCHAR)KCG_IO_i_PATTERN);
361 }
362 }
363 if (Attr & 0x0F)
364 {
365 *(PUCHAR)(VramPlaneB + VramOffset + Line * BYTES_PER_SCANLINE) = B | ((Attr & 0x01) ? CharLine : 0);
366 *(PUCHAR)(VramPlaneG + VramOffset + Line * BYTES_PER_SCANLINE) = G | ((Attr & 0x02) ? CharLine : 0);
367 *(PUCHAR)(VramPlaneR + VramOffset + Line * BYTES_PER_SCANLINE) = R | ((Attr & 0x04) ? CharLine : 0);
368 *(PUCHAR)(VramPlaneI + VramOffset + Line * BYTES_PER_SCANLINE) = I | ((Attr & 0x08) ? CharLine : 0);
369 }
370 else
371 {
372 *(PUCHAR)(VramPlaneB + VramOffset + Line * BYTES_PER_SCANLINE) = B & ~CharLine;
373 *(PUCHAR)(VramPlaneG + VramOffset + Line * BYTES_PER_SCANLINE) = G & ~CharLine;
374 *(PUCHAR)(VramPlaneR + VramOffset + Line * BYTES_PER_SCANLINE) = R & ~CharLine;
375 *(PUCHAR)(VramPlaneI + VramOffset + Line * BYTES_PER_SCANLINE) = I & ~CharLine;
376 }
377 }
378}
LIGHT_FILL
#define LIGHT_FILL
Definition: ui.h:316
MEDIUM_FILL
#define MEDIUM_FILL
Definition: ui.h:317
DARK_FILL
#define DARK_FILL
Definition: ui.h:318
Pc98VideoTextRamPutChar
static VOID Pc98VideoTextRamPutChar(int Ch, UCHAR Attr, unsigned X, unsigned Y)
Definition: pc98video.c:306
Pc98AsciiToJisX
static USHORT Pc98AsciiToJisX(int Ch)
Definition: pc98video.c:278
KCG_IO_o_CHARCODE_HIGH
#define KCG_IO_o_CHARCODE_HIGH
Definition: video.h:399
KCG_IO_o_LINE
#define KCG_IO_o_LINE
Definition: video.h:401
KCG_IO_i_PATTERN
#define KCG_IO_i_PATTERN
Definition: video.h:404
KCG_IO_o_CHARCODE_LOW
#define KCG_IO_o_CHARCODE_LOW
Definition: video.h:400
Line
Definition: ncftp.h:79
BitmapFont8x16
const UCHAR BitmapFont8x16[256 *CHAR_HEIGHT]
Definition: vgafont.c:13

Referenced by MachInit(), and Pc98VideoCopyOffScreenBufferToVRAM().

◆ Pc98VideoSetDisplayMode()

VIDEODISPLAYMODE Pc98VideoSetDisplayMode ( PCSTR  DisplayMode,
BOOLEAN  Init 
)

Definition at line 185 of file pc98video.c.

186{
187 /* Not supported by hardware */
188 return VideoTextMode;
189}
VideoTextMode
@ VideoTextMode
Definition: machine.h:35

Referenced by MachInit().

◆ Pc98VideoSetPaletteColor()

VOID Pc98VideoSetPaletteColor ( UCHAR  Color,
UCHAR  Red,
UCHAR  Green,
UCHAR  Blue 
)

Definition at line 403 of file pc98video.c.

404{
405 if (Color < 16)
406 {
407 WRITE_PORT_UCHAR((PUCHAR)GDC2_IO_o_PALETTE_INDEX, Color);
408 WRITE_PORT_UCHAR((PUCHAR)GDC2_IO_o_RED, Red);
409 WRITE_PORT_UCHAR((PUCHAR)GDC2_IO_o_GREEN, Green);
410 WRITE_PORT_UCHAR((PUCHAR)GDC2_IO_o_BLUE, Blue);
411 }
412}
GDC2_IO_o_RED
#define GDC2_IO_o_RED
Definition: video.h:277
GDC2_IO_o_GREEN
#define GDC2_IO_o_GREEN
Definition: video.h:276
GDC2_IO_o_BLUE
#define GDC2_IO_o_BLUE
Definition: video.h:278

Referenced by MachInit(), and Pc98VideoInit().

◆ Pc98VideoSetTextCursorPosition()

VOID Pc98VideoSetTextCursorPosition ( UCHAR  X,
UCHAR  Y 
)

Definition at line 212 of file pc98video.c.

213{
214 CSRWPARAM CursorParameters;
215
216 RtlZeroMemory(&CursorParameters, sizeof(CSRWPARAM));
217 CursorParameters.CursorAddress = X + Y * TextCols;
218 CursorParameters.DotAddress = 0;
219
220 WRITE_PORT_UCHAR((PUCHAR)GDC1_IO_o_COMMAND, GDC_COMMAND_CSRW);
221 WRITE_GDC_CSRW((PUCHAR)GDC1_IO_o_PARAM, &CursorParameters);
222}
WRITE_GDC_CSRW
FORCEINLINE VOID WRITE_GDC_CSRW(PUCHAR Port, PCSRWPARAM CursorParameters)
Definition: video.h:160
GDC_COMMAND_CSRW
#define GDC_COMMAND_CSRW
Definition: video.h:151
_CSRWPARAM
Definition: video.h:153
_CSRWPARAM::DotAddress
UCHAR DotAddress
Definition: video.h:155
_CSRWPARAM::CursorAddress
ULONG CursorAddress
Definition: video.h:154

Referenced by MachInit().

◆ Pc98VideoSync()

VOID Pc98VideoSync ( VOID  )

Definition at line 433 of file pc98video.c.

434{
435 while (READ_PORT_UCHAR((PUCHAR)GDC2_IO_i_STATUS) & GDC_STATUS_VSYNC)
436 NOTHING;
437
438 while (!(READ_PORT_UCHAR((PUCHAR)GDC2_IO_i_STATUS) & GDC_STATUS_VSYNC))
439 NOTHING;
440}
NOTHING
#define NOTHING
Definition: input_list.c:10
GDC2_IO_i_STATUS
#define GDC2_IO_i_STATUS
Definition: video.h:260
GDC_STATUS_VSYNC
#define GDC_STATUS_VSYNC
Definition: video.h:41

Referenced by MachInit(), and Pc98VideoInit().

◆ PcFindPciBios()

BOOLEAN PcFindPciBios ( PPCI_REGISTRY_INFO  BusData)

Definition at line 80 of file hwpci.c.

81{
82 REGS RegsIn;
83 REGS RegsOut;
84
85 RegsIn.b.ah = 0xB1; /* Subfunction B1h */
86 RegsIn.b.al = 0x01; /* PCI BIOS present */
87
88 Int386(0x1A, &RegsIn, &RegsOut);
89
90 if (INT386_SUCCESS(RegsOut) &&
91 (RegsOut.d.edx == ' ICP') &&
92 (RegsOut.b.ah == 0))
93 {
94 TRACE("Found PCI bios\n");
95
96 TRACE("AL: %x\n", RegsOut.b.al);
97 TRACE("BH: %x\n", RegsOut.b.bh);
98 TRACE("BL: %x\n", RegsOut.b.bl);
99 TRACE("CL: %x\n", RegsOut.b.cl);
100
101 BusData->NoBuses = RegsOut.b.cl + 1;
102 BusData->MajorRevision = RegsOut.b.bh;
103 BusData->MinorRevision = RegsOut.b.bl;
104 BusData->HardwareMechanism = RegsOut.b.al;
105
106 return TRUE;
107 }
108
109 TRACE("No PCI bios found\n");
110
111 return FALSE;
112}
INT386_SUCCESS
#define INT386_SUCCESS(regs)
Definition: pcbios.h:181
BYTEREGS::bl
unsigned char bl
Definition: pcbios.h:136
BYTEREGS::cl
unsigned char cl
Definition: pcbios.h:139
DWORDREGS::edx
unsigned long edx
Definition: pcbios.h:96
_PCI_REGISTRY_INFO::MajorRevision
UCHAR MajorRevision
Definition: pci.h:107
_PCI_REGISTRY_INFO::NoBuses
UCHAR NoBuses
Definition: pci.h:109
_PCI_REGISTRY_INFO::HardwareMechanism
UCHAR HardwareMechanism
Definition: pci.h:110
_PCI_REGISTRY_INFO::MinorRevision
UCHAR MinorRevision
Definition: pci.h:108
REGS::d
DWORDREGS d
Definition: pcbios.h:163

◆ PcInitializeBootDevices()

BOOLEAN PcInitializeBootDevices ( VOID  )

Definition at line 458 of file hwdisk.c.

459{
460 UCHAR DiskCount;
461 BOOLEAN BootDriveReported = FALSE;
462 CONFIGURATION_TYPE DriveType;
463
464 DiskCount = EnumerateHarddisks(&BootDriveReported);
465
466 /* Initialize FrLdrBootPath, the boot path we're booting from (the "SystemPartition") */
467 DiskGetBootPath(PxeInit());
468
469 /* Add it, if it's a floppy or CD-ROM */
470 DriveType = DiskGetConfigType(FrldrBootDrive);
471 if ((FrldrBootDrive >= FIRST_BIOS_DISK && !BootDriveReported) ||
472 (DriveType == FloppyDiskPeripheral || DriveType == CdromController))
473 {
474 /* TODO: Check if it's really a CD-ROM drive */
475
476 PMASTER_BOOT_RECORD Mbr;
477 PULONG Buffer;
478 ULONG Checksum = 0;
479 ULONG Signature;
480 ULONG i;
481
482 /* Read the MBR */
483 if (!MachDiskReadLogicalSectors(FrldrBootDrive, 16ULL, 1, DiskReadBuffer))
484 {
485 ERR("Reading MBR failed\n");
486 return FALSE;
487 }
488
489 Buffer = (ULONG*)DiskReadBuffer;
490 Mbr = (PMASTER_BOOT_RECORD)DiskReadBuffer;
491
492 Signature = Mbr->Signature;
493 TRACE("Signature: %x\n", Signature);
494
495 /* Calculate the MBR checksum */
496 for (i = 0; i < 2048 / sizeof(ULONG); i++)
497 {
498 Checksum += Buffer[i];
499 }
500 Checksum = ~Checksum + 1;
501 TRACE("Checksum: %x\n", Checksum);
502
503 /* Fill out the ARC disk block */
504 AddReactOSArcDiskInfo(FrLdrBootPath, Signature, Checksum, TRUE);
505
506 FsRegisterDevice(FrLdrBootPath, &DiskVtbl);
507 DiskCount++; // This is not accounted for in the number of pre-enumerated BIOS drives!
508 TRACE("Additional boot drive detected: 0x%02X\n", (int)FrldrBootDrive);
509 }
510
511 return (DiskCount != 0);
512}
DriveType
UINT DriveType
Definition: DeviceIoControl.c:15
AddReactOSArcDiskInfo
VOID AddReactOSArcDiskInfo(IN PSTR ArcName, IN ULONG Signature, IN ULONG Checksum, IN BOOLEAN ValidPartitionTable)
Definition: archwsup.c:77
PMASTER_BOOT_RECORD
struct _MASTER_BOOT_RECORD * PMASTER_BOOT_RECORD
FsRegisterDevice
VOID FsRegisterDevice(_In_ PCSTR DeviceName, _In_ const DEVVTBL *FuncTable)
Definition: fs.c:673
MachDiskReadLogicalSectors
#define MachDiskReadLogicalSectors(Drive, Start, Count, Buf)
Definition: machine.h:120
Signature
static const WCHAR Signature[]
Definition: parser.c:141
FrLdrBootPath
CCHAR FrLdrBootPath[MAX_PATH]
Definition: freeldr.c:29
PxeInit
BOOLEAN PxeInit(VOID)
Definition: pxe.c:376
DiskVtbl
static const DEVVTBL DiskVtbl
Definition: hwdisk.c:243
DiskGetBootPath
static BOOLEAN DiskGetBootPath(BOOLEAN IsPxe)
Definition: hwdisk.c:405
DiskReadBuffer
PVOID DiskReadBuffer
Definition: hwdisk.c:50
FIRST_BIOS_DISK
#define FIRST_BIOS_DISK
Definition: hwdisk.c:31
EnumerateHarddisks
static UCHAR EnumerateHarddisks(OUT PBOOLEAN BootDriveReported)
Definition: hwdisk.c:347
DiskGetConfigType
CONFIGURATION_TYPE DiskGetConfigType(_In_ UCHAR DriveNumber)
Definition: pcdisk.c:402
CONFIGURATION_TYPE
enum _CONFIGURATION_TYPE CONFIGURATION_TYPE
_MASTER_BOOT_RECORD
Definition: disk.h:58
_MASTER_BOOT_RECORD::Signature
ULONG Signature
Definition: disk.h:60
PULONG
uint32_t * PULONG
Definition: typedefs.h:59

Variable Documentation

◆ FrldrBootDrive

UCHAR FrldrBootDrive
extern

Definition at line 105 of file uefidisk.c.

◆ FrldrBootPartition

ULONG FrldrBootPartition
extern

Definition at line 106 of file uefidisk.c.

◆ PcBiosMapCount

ULONG PcBiosMapCount
extern

Definition at line 38 of file pcmem.c.

◆ PcBiosMemoryMap

BIOS_MEMORY_MAP PcBiosMemoryMap[]
extern

Definition at line 37 of file pcmem.c.