machpc.c File Reference

#include <freeldr.h>
#include <cportlib/cportlib.h>
#include "../ntldr/ntldropts.h"
#include <debug.h>

Include dependency graph for machpc.c:

Go to the source code of this file.

Macros
#define	MAX_COM_PORTS   4
#define	MAX_LPT_PORTS   3
#define	MOUSE_TYPE_NONE   0
#define	MOUSE_TYPE_MICROSOFT   1
#define	MOUSE_TYPE_LOGITECH   2
#define	MOUSE_TYPE_WHEELZ   3
#define	MOUSE_TYPE_MOUSESYSTEMS   4
#define	INPORT_REGISTER_CONTROL   0x00
#define	INPORT_REGISTER_DATA   0x01
#define	INPORT_REGISTER_SIGNATURE   0x02
#define	INPORT_REG_MODE   0x07
#define	INPORT_RESET   0x80
#define	INPORT_MODE_BASE   0x10
#define	INPORT_TEST_IRQ   0x16
#define	INPORT_SIGNATURE   0xDE
#define	PIC1_CONTROL_PORT   0x20
#define	PIC1_DATA_PORT   0x21
#define	PIC2_CONTROL_PORT   0xA0
#define	PIC2_DATA_PORT   0xA1
#define	CONTROLLER_REGISTER_STATUS   0x64
#define	CONTROLLER_REGISTER_CONTROL   0x64
#define	CONTROLLER_REGISTER_DATA   0x60
#define	CONTROLLER_COMMAND_READ_MODE   0x20
#define	CONTROLLER_COMMAND_WRITE_MODE   0x60
#define	CONTROLLER_COMMAND_GET_VERSION   0xA1
#define	CONTROLLER_COMMAND_MOUSE_DISABLE   0xA7
#define	CONTROLLER_COMMAND_MOUSE_ENABLE   0xA8
#define	CONTROLLER_COMMAND_TEST_MOUSE   0xA9
#define	CONTROLLER_COMMAND_SELF_TEST   0xAA
#define	CONTROLLER_COMMAND_KEYBOARD_TEST   0xAB
#define	CONTROLLER_COMMAND_KEYBOARD_DISABLE   0xAD
#define	CONTROLLER_COMMAND_KEYBOARD_ENABLE   0xAE
#define	CONTROLLER_COMMAND_WRITE_MOUSE_OUTPUT_BUFFER   0xD3
#define	CONTROLLER_COMMAND_WRITE_MOUSE   0xD4
#define	CONTROLLER_STATUS_OUTPUT_BUFFER_FULL   0x01
#define	CONTROLLER_STATUS_INPUT_BUFFER_FULL   0x02
#define	CONTROLLER_STATUS_SELF_TEST   0x04
#define	CONTROLLER_STATUS_COMMAND   0x08
#define	CONTROLLER_STATUS_UNLOCKED   0x10
#define	CONTROLLER_STATUS_MOUSE_OUTPUT_BUFFER_FULL   0x20
#define	CONTROLLER_STATUS_GENERAL_TIMEOUT   0x40
#define	CONTROLLER_STATUS_PARITY_ERROR   0x80
#define	AUX_STATUS_OUTPUT_BUFFER_FULL
#define	CONTROLLER_TIMEOUT   250

Functions
	DBG_DEFAULT_CHANNEL (HWDETECT)
VOID	PcGetExtendedBIOSData (PULONG ExtendedBIOSDataArea, PULONG ExtendedBIOSDataSize)
static PCM_PARTIAL_RESOURCE_LIST	PcGetHarddiskConfigurationData (UCHAR DriveNumber, ULONG *pSize)
static VOID	DetectDockingStation (_Inout_ PCONFIGURATION_COMPONENT_DATA BusKey)
static VOID	DetectPnpBios (PCONFIGURATION_COMPONENT_DATA SystemKey, ULONG *BusNumber)
static VOID	InitializeSerialPort (PUCHAR Port, UCHAR LineControl)
static ULONG	DetectSerialMouse (PUCHAR Port)
static ULONG	GetSerialMousePnpId (PUCHAR Port, char *Buffer)
static VOID	DetectSerialPointerPeripheral (PCONFIGURATION_COMPONENT_DATA ControllerKey, PUCHAR Base)
static ULONG	PcGetSerialPort (ULONG Index, PULONG Irq)
static ULONG	GetSerialMouseDetectionBitmap (_In_opt_ PCSTR Options)
VOID	DetectSerialPorts (_In_opt_ PCSTR Options, _Inout_ PCONFIGURATION_COMPONENT_DATA BusKey, _In_ GET_SERIAL_PORT MachGetSerialPort, _In_ ULONG Count)
static VOID	DetectParallelPorts (PCONFIGURATION_COMPONENT_DATA BusKey)
BOOLEAN	DetectKeyboardDevice (VOID)
static VOID	DetectKeyboardPeripheral (PCONFIGURATION_COMPONENT_DATA ControllerKey)
static VOID	DetectKeyboardController (PCONFIGURATION_COMPONENT_DATA BusKey)
static VOID	PS2ControllerWait (VOID)
static BOOLEAN	DetectPS2AuxPort (VOID)
static BOOLEAN	DetectPS2AuxDevice (VOID)
static VOID	DetectPS2Mouse (PCONFIGURATION_COMPONENT_DATA BusKey)
USHORT	BiosIsVesaSupported (VOID)
BOOLEAN	BiosIsVesaDdcSupported (VOID)
BOOLEAN	BiosVesaReadEdid (VOID)
static VOID	DetectDisplayController (PCONFIGURATION_COMPONENT_DATA BusKey)
static VOID	DetectIsaBios (_In_opt_ PCSTR Options, _Inout_ PCONFIGURATION_COMPONENT_DATA SystemKey, _Out_ ULONG *BusNumber)
static UCHAR	PcGetFloppyCount (VOID)
PCONFIGURATION_COMPONENT_DATA	PcHwDetect (_In_opt_ PCSTR Options)
VOID	PcHwIdle (VOID)
VOID __cdecl	ChainLoadBiosBootSectorCode (IN UCHAR BootDrive OPTIONAL, IN ULONG BootPartition OPTIONAL)
VOID	MachInit (const char *CmdLine)
VOID	PcPrepareForReactOS (VOID)

Macro Definition Documentation

AUX_STATUS_OUTPUT_BUFFER_FULL

#define AUX_STATUS_OUTPUT_BUFFER_FULL

Value:

                                                         (CONTROLLER_STATUS_OUTPUT_BUFFER_FULL | \
                                                         CONTROLLER_STATUS_MOUSE_OUTPUT_BUFFER_FULL)

Definition at line 88 of file machpc.c.

CONTROLLER_COMMAND_GET_VERSION

#define CONTROLLER_COMMAND_GET_VERSION   0xA1

Definition at line 68 of file machpc.c.

CONTROLLER_COMMAND_KEYBOARD_DISABLE

#define CONTROLLER_COMMAND_KEYBOARD_DISABLE   0xAD

Definition at line 74 of file machpc.c.

CONTROLLER_COMMAND_KEYBOARD_ENABLE

#define CONTROLLER_COMMAND_KEYBOARD_ENABLE   0xAE

Definition at line 75 of file machpc.c.

CONTROLLER_COMMAND_KEYBOARD_TEST

#define CONTROLLER_COMMAND_KEYBOARD_TEST   0xAB

Definition at line 73 of file machpc.c.

CONTROLLER_COMMAND_MOUSE_DISABLE

#define CONTROLLER_COMMAND_MOUSE_DISABLE   0xA7

Definition at line 69 of file machpc.c.

CONTROLLER_COMMAND_MOUSE_ENABLE

#define CONTROLLER_COMMAND_MOUSE_ENABLE   0xA8

Definition at line 70 of file machpc.c.

CONTROLLER_COMMAND_READ_MODE

#define CONTROLLER_COMMAND_READ_MODE   0x20

Definition at line 66 of file machpc.c.

CONTROLLER_COMMAND_SELF_TEST

#define CONTROLLER_COMMAND_SELF_TEST   0xAA

Definition at line 72 of file machpc.c.

CONTROLLER_COMMAND_TEST_MOUSE

#define CONTROLLER_COMMAND_TEST_MOUSE   0xA9

Definition at line 71 of file machpc.c.

CONTROLLER_COMMAND_WRITE_MODE

#define CONTROLLER_COMMAND_WRITE_MODE   0x60

Definition at line 67 of file machpc.c.

CONTROLLER_COMMAND_WRITE_MOUSE

#define CONTROLLER_COMMAND_WRITE_MOUSE   0xD4

Definition at line 77 of file machpc.c.

CONTROLLER_COMMAND_WRITE_MOUSE_OUTPUT_BUFFER

#define CONTROLLER_COMMAND_WRITE_MOUSE_OUTPUT_BUFFER   0xD3

Definition at line 76 of file machpc.c.

CONTROLLER_REGISTER_CONTROL

#define CONTROLLER_REGISTER_CONTROL   0x64

Definition at line 62 of file machpc.c.

CONTROLLER_REGISTER_DATA

#define CONTROLLER_REGISTER_DATA   0x60

Definition at line 63 of file machpc.c.

CONTROLLER_REGISTER_STATUS

#define CONTROLLER_REGISTER_STATUS   0x64

Definition at line 61 of file machpc.c.

CONTROLLER_STATUS_COMMAND

#define CONTROLLER_STATUS_COMMAND   0x08

Definition at line 83 of file machpc.c.

CONTROLLER_STATUS_GENERAL_TIMEOUT

#define CONTROLLER_STATUS_GENERAL_TIMEOUT   0x40

Definition at line 86 of file machpc.c.

CONTROLLER_STATUS_INPUT_BUFFER_FULL

#define CONTROLLER_STATUS_INPUT_BUFFER_FULL   0x02

Definition at line 81 of file machpc.c.

CONTROLLER_STATUS_MOUSE_OUTPUT_BUFFER_FULL

#define CONTROLLER_STATUS_MOUSE_OUTPUT_BUFFER_FULL   0x20

Definition at line 85 of file machpc.c.

CONTROLLER_STATUS_OUTPUT_BUFFER_FULL

#define CONTROLLER_STATUS_OUTPUT_BUFFER_FULL   0x01

Definition at line 80 of file machpc.c.

CONTROLLER_STATUS_PARITY_ERROR

#define CONTROLLER_STATUS_PARITY_ERROR   0x80

Definition at line 87 of file machpc.c.

CONTROLLER_STATUS_SELF_TEST

#define CONTROLLER_STATUS_SELF_TEST   0x04

Definition at line 82 of file machpc.c.

CONTROLLER_STATUS_UNLOCKED

#define CONTROLLER_STATUS_UNLOCKED   0x10

Definition at line 84 of file machpc.c.

CONTROLLER_TIMEOUT

#define CONTROLLER_TIMEOUT   250

Definition at line 92 of file machpc.c.

INPORT_MODE_BASE

#define INPORT_MODE_BASE   0x10

Definition at line 49 of file machpc.c.

INPORT_REG_MODE

#define INPORT_REG_MODE   0x07

Definition at line 47 of file machpc.c.

INPORT_REGISTER_CONTROL

#define INPORT_REGISTER_CONTROL   0x00

Definition at line 43 of file machpc.c.

INPORT_REGISTER_DATA

#define INPORT_REGISTER_DATA   0x01

Definition at line 44 of file machpc.c.

INPORT_REGISTER_SIGNATURE

#define INPORT_REGISTER_SIGNATURE   0x02

Definition at line 45 of file machpc.c.

INPORT_RESET

#define INPORT_RESET   0x80

Definition at line 48 of file machpc.c.

INPORT_SIGNATURE

#define INPORT_SIGNATURE   0xDE

Definition at line 51 of file machpc.c.

INPORT_TEST_IRQ

#define INPORT_TEST_IRQ   0x16

Definition at line 50 of file machpc.c.

MAX_COM_PORTS

#define MAX_COM_PORTS   4

Definition at line 29 of file machpc.c.

MAX_LPT_PORTS

#define MAX_LPT_PORTS   3

Definition at line 30 of file machpc.c.

MOUSE_TYPE_LOGITECH

#define MOUSE_TYPE_LOGITECH   2

Definition at line 37 of file machpc.c.

MOUSE_TYPE_MICROSOFT

#define MOUSE_TYPE_MICROSOFT   1

Definition at line 35 of file machpc.c.

MOUSE_TYPE_MOUSESYSTEMS

#define MOUSE_TYPE_MOUSESYSTEMS   4

Definition at line 41 of file machpc.c.

MOUSE_TYPE_NONE

#define MOUSE_TYPE_NONE   0

Definition at line 33 of file machpc.c.

MOUSE_TYPE_WHEELZ

#define MOUSE_TYPE_WHEELZ   3

Definition at line 39 of file machpc.c.

PIC1_CONTROL_PORT

#define PIC1_CONTROL_PORT   0x20

Definition at line 53 of file machpc.c.

PIC1_DATA_PORT

#define PIC1_DATA_PORT   0x21

Definition at line 54 of file machpc.c.

PIC2_CONTROL_PORT

#define PIC2_CONTROL_PORT   0xA0

Definition at line 55 of file machpc.c.

PIC2_DATA_PORT

#define PIC2_DATA_PORT   0xA1

Definition at line 56 of file machpc.c.

Function Documentation

BiosIsVesaDdcSupported()

BOOLEAN BiosIsVesaDdcSupported

(

VOID

)

Definition at line 242 of file pcvesa.c.

{
    REGS Regs;
 
    TRACE("BiosIsVesaDdcSupported()\n");
 
    Regs.w.ax = 0x4F15;
    Regs.b.bl = 0;
    Regs.w.cx = 0;
    Regs.w.es = 0;
    Regs.w.di = 0;
    Int386(0x10, &Regs, &Regs);
 
    TRACE("AL = 0x%x\n", Regs.b.al);
    TRACE("AH = 0x%x\n", Regs.b.ah);
 
    TRACE("BL = 0x%x\n", Regs.b.bl);
 
    if (Regs.w.ax != 0x004F)
    {
        WARN("VBE/DDC Installation check function not supported (AL=0x%x) or failed (AH=0x%x)\n",
             Regs.b.al, Regs.b.ah);
        return FALSE;
    }
 
    return (Regs.b.ah == 0);
}

Referenced by DetectDisplayController().

BiosIsVesaSupported()

USHORT BiosIsVesaSupported

(

VOID

)

Definition at line 160 of file pcvesa.c.

{
    REGS            Regs;
    PVESA_SVGA_INFO    SvgaInfo = (PVESA_SVGA_INFO)BIOSCALLBUFFER;
    //USHORT*            VideoModes;
    //USHORT            Index;
 
    TRACE("BiosIsVesaSupported()\n");
 
    RtlZeroMemory(SvgaInfo, sizeof(VESA_SVGA_INFO));
 
    // Make sure we receive version 2.0 info
    SvgaInfo->Signature[0] = 'V';
    SvgaInfo->Signature[1] = 'B';
    SvgaInfo->Signature[2] = 'E';
    SvgaInfo->Signature[3] = '2';
 
    // Int 10h AX=4F00h
    // VESA SuperVGA BIOS (VBE) - GET SuperVGA INFORMATION
    //
    // AX = 4F00h
    // ES:DI -> buffer for SuperVGA information (see #00077)
    // Return:
    // AL = 4Fh if function supported
    // AH = status
    //   00h successful
    // ES:DI buffer filled
    //   01h failed
    //   ---VBE v2.0---
    //   02h function not supported by current hardware configuration
    //   03h function invalid in current video mode
    //
    // Determine whether VESA BIOS extensions are present and the
    // capabilities supported by the display adapter
    //
    // Installation check;VESA SuperVGA
    Regs.w.ax = 0x4F00;
    Regs.w.es = BIOSCALLBUFSEGMENT;
    Regs.w.di = BIOSCALLBUFOFFSET;
    Int386(0x10, &Regs, &Regs);
 
    TRACE("AL = 0x%x\n", Regs.b.al);
    TRACE("AH = 0x%x\n", Regs.b.ah);
 
    if (Regs.w.ax != 0x004F)
    {
        WARN("VBE Get SuperVGA information function not supported (AL=0x%x) or failed (AH=0x%x)\n",
             Regs.b.al, Regs.b.ah);
        return 0x0000;
    }
 
    TRACE("Supported.\n");
    TRACE("SvgaInfo->Signature[4] = %c%c%c%c\n", SvgaInfo->Signature[0], SvgaInfo->Signature[1], SvgaInfo->Signature[2], SvgaInfo->Signature[3]);
    TRACE("SvgaInfo->VesaVersion = v%d.%d\n", ((SvgaInfo->VesaVersion >> 8) & 0xFF), (SvgaInfo->VesaVersion & 0xFF));
    TRACE("SvgaInfo->OemNamePtr = 0x%x\n", SvgaInfo->OemNamePtr);
    TRACE("SvgaInfo->Capabilities = 0x%x\n", SvgaInfo->Capabilities);
    TRACE("SvgaInfo->VideoMemory = %dK\n", SvgaInfo->TotalVideoMemory * 64);
    TRACE("---VBE v2.0 ---\n");
    TRACE("SvgaInfo->OemSoftwareVersion = v%d.%d\n", ((SvgaInfo->OemSoftwareVersion >> 8) & 0x0F) + (((SvgaInfo->OemSoftwareVersion >> 12) & 0x0F) * 10), (SvgaInfo->OemSoftwareVersion & 0x0F) + (((SvgaInfo->OemSoftwareVersion >> 4) & 0x0F) * 10));
    TRACE("SvgaInfo->VendorNamePtr = 0x%x\n", SvgaInfo->VendorNamePtr);
    TRACE("SvgaInfo->ProductNamePtr = 0x%x\n", SvgaInfo->ProductNamePtr);
    TRACE("SvgaInfo->ProductRevisionStringPtr = 0x%x\n", SvgaInfo->ProductRevisionStringPtr);
    TRACE("SvgaInfo->VBE/AF Version = 0x%x (BCD WORD)\n", SvgaInfo->VBE_AF_Version);
 
    if (SvgaInfo->Signature[0] != 'V' ||
        SvgaInfo->Signature[1] != 'E' ||
        SvgaInfo->Signature[2] != 'S' ||
        SvgaInfo->Signature[3] != 'A')
    {
        ERR("Bad signature in VESA information (%c%c%c%c)\n",
            SvgaInfo->Signature[0],
            SvgaInfo->Signature[1],
            SvgaInfo->Signature[2],
            SvgaInfo->Signature[3]);
        return 0x0000;
    }
 
    return SvgaInfo->VesaVersion;
}

Referenced by DetectDisplayController().

BiosVesaReadEdid()

BOOLEAN BiosVesaReadEdid

(

VOID

)

Definition at line 272 of file pcvesa.c.

{
    REGS Regs;
 
    TRACE("BiosVesaReadEdid()\n");
 
    RtlZeroMemory((PVOID)BIOSCALLBUFFER, 128);
 
    Regs.w.ax = 0x4F15;
    Regs.b.bl = 1;
    Regs.w.cx = 0;
    Regs.w.dx = 0;
    Regs.w.es = BIOSCALLBUFSEGMENT;
    Regs.w.di = BIOSCALLBUFOFFSET;
    Int386(0x10, &Regs, &Regs);
 
    TRACE("AL = 0x%x\n", Regs.b.al);
    TRACE("AH = 0x%x\n", Regs.b.ah);
 
    if (Regs.w.ax != 0x004F)
    {
        WARN("VBE/DDC Read EDID function not supported (AL=0x%x) or failed (AH=0x%x)\n",
             Regs.b.al, Regs.b.ah);
        return FALSE;
    }
 
    return (Regs.b.ah == 0);
}

Referenced by DetectDisplayController().

ChainLoadBiosBootSectorCode()

VOID __cdecl ChainLoadBiosBootSectorCode	(	IN UCHAR BootDrive	OPTIONAL,
		IN ULONG BootPartition	OPTIONAL
	)

Definition at line 1729 of file machpc.c.

{
    REGS Regs;
 
    RtlZeroMemory(&Regs, sizeof(Regs));
 
    /* Set the boot drive and the boot partition */
    Regs.b.dl = (UCHAR)(BootDrive ? BootDrive : FrldrBootDrive);
    Regs.b.dh = (UCHAR)(BootPartition ? BootPartition : FrldrBootPartition);
 
    /*
     * Don't stop the floppy drive motor when we are just booting a bootsector,
     * a drive, or a partition. If we were to stop the floppy motor, the BIOS
     * wouldn't be informed and if the next read is to a floppy then the BIOS
     * will still think the motor is on and this will result in a read error.
     */
    // DiskStopFloppyMotor();
 
    Relocator16Boot(&Regs,
                    /* Stack segment:pointer */
                    0x0000, 0x7C00,
                    /* Code segment:pointer */
                    0x0000, 0x7C00);
}

DBG_DEFAULT_CHANNEL()

DBG_DEFAULT_CHANNEL

(

HWDETECT

)

DetectDisplayController()

static VOID DetectDisplayController ( PCONFIGURATION_COMPONENT_DATA  BusKey )

static

Definition at line 1554 of file machpc.c.

{
    PCSTR Identifier;
    PCONFIGURATION_COMPONENT_DATA ControllerKey;
    USHORT VesaVersion;
 
    /* FIXME: Set 'ComponentInformation' value */
 
    VesaVersion = BiosIsVesaSupported();
    if (VesaVersion != 0)
    {
        TRACE("VESA version %c.%c\n",
              (VesaVersion >> 8) + '0',
              (VesaVersion & 0xFF) + '0');
    }
    else
    {
        TRACE("VESA not supported\n");
    }
 
    if (VesaVersion >= 0x0200)
        Identifier = "VBE Display";
    else
        Identifier = "VGA Display";
 
    FldrCreateComponentKey(BusKey,
                           ControllerClass,
                           DisplayController,
                           Output | ConsoleOut,
                           0,
                           0xFFFFFFFF,
                           Identifier,
                           NULL,
                           0,
                           &ControllerKey);
 
    /* FIXME: Add display peripheral (monitor) data */
    if (VesaVersion != 0)
    {
        if (BiosIsVesaDdcSupported())
        {
            TRACE("VESA/DDC supported!\n");
            if (BiosVesaReadEdid())
            {
                TRACE("EDID data read successfully!\n");
            }
        }
    }
}

Referenced by DetectIsaBios().

DetectDockingStation()

static VOID DetectDockingStation ( _Inout_ PCONFIGURATION_COMPONENT_DATA  BusKey )

static

Definition at line 182 of file machpc.c.

{
    PCM_PARTIAL_RESOURCE_LIST PartialResourceList;
    PCM_PARTIAL_RESOURCE_DESCRIPTOR PartialDescriptor;
    PCONFIGURATION_COMPONENT_DATA PeripheralKey;
    PDOCKING_STATE_INFORMATION DockingState;
    ULONG Size, Result;
 
    Result = PnpBiosGetDockStationInformation(DiskReadBuffer);
 
    /* Build full device descriptor */
    Size = sizeof(CM_PARTIAL_RESOURCE_LIST) +
           sizeof(DOCKING_STATE_INFORMATION);
    PartialResourceList = FrLdrHeapAlloc(Size, TAG_HW_RESOURCE_LIST);
    if (PartialResourceList == NULL)
    {
        ERR("Failed to allocate resource descriptor\n");
        return;
    }
 
    /* Initialize resource descriptor */
    RtlZeroMemory(PartialResourceList, Size);
    PartialResourceList->Version = 0;
    PartialResourceList->Revision = 0;
    PartialResourceList->Count = 1;
 
    /* Set device specific data */
    PartialDescriptor = &PartialResourceList->PartialDescriptors[0];
    PartialDescriptor->Type = CmResourceTypeDeviceSpecific;
    PartialDescriptor->ShareDisposition = CmResourceShareUndetermined;
    PartialDescriptor->Flags = 0;
    PartialDescriptor->u.DeviceSpecificData.DataSize = sizeof(DOCKING_STATE_INFORMATION);
 
    DockingState = (PDOCKING_STATE_INFORMATION)&PartialResourceList->PartialDescriptors[1];
    DockingState->ReturnCode = Result;
    if (Result == 0)
    {
        /* FIXME: Add more device specific data */
        ERR("FIXME: System docked\n");
    }
 
    /* Create controller key */
    FldrCreateComponentKey(BusKey,
                           PeripheralClass,
                           DockingInformation,
                           0,
                           0,
                           0xFFFFFFFF,
                           "Docking State Information",
                           PartialResourceList,
                           Size,
                           &PeripheralKey);
}

Referenced by DetectPnpBios().

DetectIsaBios()

static VOID DetectIsaBios ( _In_opt_ PCSTR  Options, _Inout_ PCONFIGURATION_COMPONENT_DATA  SystemKey, _Out_ ULONG *  BusNumber  )

static

Definition at line 1606 of file machpc.c.

{
    PCM_PARTIAL_RESOURCE_LIST PartialResourceList;
    PCONFIGURATION_COMPONENT_DATA BusKey;
    ULONG Size;
 
    /* Set 'Configuration Data' value */
    Size = sizeof(CM_PARTIAL_RESOURCE_LIST) -
           sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR);
    PartialResourceList = FrLdrHeapAlloc(Size, TAG_HW_RESOURCE_LIST);
    if (PartialResourceList == NULL)
    {
        ERR("Failed to allocate resource descriptor\n");
        return;
    }
 
    /* Initialize resource descriptor */
    RtlZeroMemory(PartialResourceList, Size);
    PartialResourceList->Version = 1;
    PartialResourceList->Revision = 1;
    PartialResourceList->Count = 0;
 
    /* Create new bus key */
    FldrCreateComponentKey(SystemKey,
                           AdapterClass,
                           MultiFunctionAdapter,
                           0,
                           0,
                           0xFFFFFFFF,
                           "ISA",
                           PartialResourceList,
                           Size,
                           &BusKey);
 
    /* Increment bus number */
    (*BusNumber)++;
 
    /* Detect ISA/BIOS devices */
    DetectBiosDisks(SystemKey, BusKey);
    DetectSerialPorts(Options, BusKey, PcGetSerialPort, MAX_COM_PORTS);
    DetectParallelPorts(BusKey);
    DetectKeyboardController(BusKey);
    DetectPS2Mouse(BusKey);
#if defined(_M_IX86)
    DetectBusMouse(BusKey);
#endif
    DetectDisplayController(BusKey);
 
    /* FIXME: Detect more ISA devices */
}

Referenced by PcHwDetect().

DetectKeyboardController()

static VOID DetectKeyboardController ( PCONFIGURATION_COMPONENT_DATA  BusKey )

static

Definition at line 1095 of file machpc.c.

{
    PCM_PARTIAL_RESOURCE_LIST PartialResourceList;
    PCM_PARTIAL_RESOURCE_DESCRIPTOR PartialDescriptor;
    PCONFIGURATION_COMPONENT_DATA ControllerKey;
    ULONG Size;
 
    /* Set 'Configuration Data' value */
    Size = sizeof(CM_PARTIAL_RESOURCE_LIST) +
           2 * sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR);
    PartialResourceList = FrLdrHeapAlloc(Size, TAG_HW_RESOURCE_LIST);
    if (PartialResourceList == NULL)
    {
        ERR("Failed to allocate resource descriptor\n");
        return;
    }
 
    /* Initialize resource descriptor */
    RtlZeroMemory(PartialResourceList, Size);
    PartialResourceList->Version = 1;
    PartialResourceList->Revision = 1;
    PartialResourceList->Count = 3;
 
    /* Set Interrupt */
    PartialDescriptor = &PartialResourceList->PartialDescriptors[0];
    PartialDescriptor->Type = CmResourceTypeInterrupt;
    PartialDescriptor->ShareDisposition = CmResourceShareUndetermined;
    PartialDescriptor->Flags = CM_RESOURCE_INTERRUPT_LATCHED;
    PartialDescriptor->u.Interrupt.Level = 1;
    PartialDescriptor->u.Interrupt.Vector = 1;
    PartialDescriptor->u.Interrupt.Affinity = 0xFFFFFFFF;
 
    /* Set IO Port 0x60 */
    PartialDescriptor = &PartialResourceList->PartialDescriptors[1];
    PartialDescriptor->Type = CmResourceTypePort;
    PartialDescriptor->ShareDisposition = CmResourceShareDeviceExclusive;
    PartialDescriptor->Flags = CM_RESOURCE_PORT_IO;
    PartialDescriptor->u.Port.Start.LowPart = 0x60;
    PartialDescriptor->u.Port.Start.HighPart = 0x0;
    PartialDescriptor->u.Port.Length = 1;
 
    /* Set IO Port 0x64 */
    PartialDescriptor = &PartialResourceList->PartialDescriptors[2];
    PartialDescriptor->Type = CmResourceTypePort;
    PartialDescriptor->ShareDisposition = CmResourceShareDeviceExclusive;
    PartialDescriptor->Flags = CM_RESOURCE_PORT_IO;
    PartialDescriptor->u.Port.Start.LowPart = 0x64;
    PartialDescriptor->u.Port.Start.HighPart = 0x0;
    PartialDescriptor->u.Port.Length = 1;
 
    /* Create controller key */
    FldrCreateComponentKey(BusKey,
                           ControllerClass,
                           KeyboardController,
                           Input | ConsoleIn,
                           0,
                           0xFFFFFFFF,
                           NULL,
                           PartialResourceList,
                           Size,
                           &ControllerKey);
 
    DetectKeyboardPeripheral(ControllerKey);
}

Referenced by DetectIsaBios().

DetectKeyboardDevice()

BOOLEAN DetectKeyboardDevice

(

VOID

)

Definition at line 961 of file machpc.c.

{
    UCHAR Status;
    UCHAR Scancode;
    ULONG Loops;
    BOOLEAN Result = TRUE;
 
    /* Identify device */
    WRITE_PORT_UCHAR((PUCHAR)CONTROLLER_REGISTER_DATA, 0xF2);
 
    /* Wait for reply */
    for (Loops = 0; Loops < 100; Loops++)
    {
        StallExecutionProcessor(10000);
        Status = READ_PORT_UCHAR((PUCHAR)CONTROLLER_REGISTER_STATUS);
        if ((Status & CONTROLLER_STATUS_OUTPUT_BUFFER_FULL) != 0)
            break;
    }
 
    if ((Status & CONTROLLER_STATUS_OUTPUT_BUFFER_FULL) == 0)
    {
        /* PC/XT keyboard or no keyboard */
        Result = FALSE;
    }
 
    Scancode = READ_PORT_UCHAR((PUCHAR)CONTROLLER_REGISTER_DATA);
    if (Scancode != 0xFA)
    {
        /* No ACK received */
        Result = FALSE;
    }
 
    StallExecutionProcessor(10000);
 
    Status = READ_PORT_UCHAR((PUCHAR)CONTROLLER_REGISTER_STATUS);
    if ((Status & CONTROLLER_STATUS_OUTPUT_BUFFER_FULL) == 0)
    {
        /* Found AT keyboard */
        return Result;
    }
 
    Scancode = READ_PORT_UCHAR((PUCHAR)CONTROLLER_REGISTER_DATA);
    if (Scancode != 0xAB)
    {
        /* No 0xAB received */
        Result = FALSE;
    }
 
    StallExecutionProcessor(10000);
 
    Status = READ_PORT_UCHAR((PUCHAR)CONTROLLER_REGISTER_STATUS);
    if ((Status & CONTROLLER_STATUS_OUTPUT_BUFFER_FULL) == 0)
    {
        /* No byte in buffer */
        Result = FALSE;
    }
 
    Scancode = READ_PORT_UCHAR((PUCHAR)CONTROLLER_REGISTER_DATA);
    if (Scancode != 0x41)
    {
        /* No 0x41 received */
        Result = FALSE;
    }
 
    /* Found MF-II keyboard */
    return Result;
}

DetectKeyboardPeripheral()

static VOID DetectKeyboardPeripheral ( PCONFIGURATION_COMPONENT_DATA  ControllerKey )

static

Definition at line 1030 of file machpc.c.

{
    PCM_PARTIAL_RESOURCE_LIST PartialResourceList;
    PCM_PARTIAL_RESOURCE_DESCRIPTOR PartialDescriptor;
    PCM_KEYBOARD_DEVICE_DATA KeyboardData;
    PCONFIGURATION_COMPONENT_DATA PeripheralKey;
    ULONG Size;
    REGS Regs;
 
    /* HACK: don't call DetectKeyboardDevice() as it fails in Qemu 0.8.2
    if (DetectKeyboardDevice()) */
    {
        /* Set 'Configuration Data' value */
        Size = sizeof(CM_PARTIAL_RESOURCE_LIST) +
               sizeof(CM_KEYBOARD_DEVICE_DATA);
        PartialResourceList = FrLdrHeapAlloc(Size, TAG_HW_RESOURCE_LIST);
        if (PartialResourceList == NULL)
        {
            ERR("Failed to allocate resource descriptor\n");
            return;
        }
 
        /* Initialize resource descriptor */
        RtlZeroMemory(PartialResourceList, Size);
        PartialResourceList->Version = 1;
        PartialResourceList->Revision = 1;
        PartialResourceList->Count = 1;
 
        PartialDescriptor = &PartialResourceList->PartialDescriptors[0];
        PartialDescriptor->Type = CmResourceTypeDeviceSpecific;
        PartialDescriptor->ShareDisposition = CmResourceShareUndetermined;
        PartialDescriptor->u.DeviceSpecificData.DataSize = sizeof(CM_KEYBOARD_DEVICE_DATA);
 
        /* Int 16h AH=02h
         * KEYBOARD - GET SHIFT FLAGS
         *
         * Return:
         * AL - shift flags
         */
        Regs.b.ah = 0x02;
        Int386(0x16, &Regs, &Regs);
 
        KeyboardData = (PCM_KEYBOARD_DEVICE_DATA)(PartialDescriptor + 1);
        KeyboardData->Version = 1;
        KeyboardData->Revision = 1;
        KeyboardData->Type = 4;
        KeyboardData->Subtype = 0;
        KeyboardData->KeyboardFlags = Regs.b.al;
 
        /* Create controller key */
        FldrCreateComponentKey(ControllerKey,
                               PeripheralClass,
                               KeyboardPeripheral,
                               Input | ConsoleIn,
                               0,
                               0xFFFFFFFF,
                               "PCAT_ENHANCED",
                               PartialResourceList,
                               Size,
                               &PeripheralKey);
    }
}

Referenced by DetectKeyboardController().

DetectParallelPorts()

static VOID DetectParallelPorts ( PCONFIGURATION_COMPONENT_DATA  BusKey )

static

Definition at line 869 of file machpc.c.

{
    PCM_PARTIAL_RESOURCE_LIST PartialResourceList;
    PCM_PARTIAL_RESOURCE_DESCRIPTOR PartialDescriptor;
    ULONG Irq[MAX_LPT_PORTS] = {7, 5, (ULONG) - 1};
    CHAR Identifier[80];
    PCONFIGURATION_COMPONENT_DATA ControllerKey;
    PUSHORT BasePtr;
    ULONG Base;
    ULONG ControllerNumber = 0;
    ULONG i;
    ULONG Size;
 
    TRACE("DetectParallelPorts() called\n");
 
    /*
     * The BIOS data area 0x408 holds the address of the first valid LPT port.
     * Each LPT port address is stored in a 2-byte field.
     * Infos at: https://web.archive.org/web/20240119203029/http://www.bioscentral.com/misc/bda.htm
     */
    BasePtr = (PUSHORT)0x408;
 
    for (i = 0; i < MAX_LPT_PORTS; i++, BasePtr++)
    {
        Base = (ULONG) * BasePtr;
        if (Base == 0)
            continue;
 
        TRACE("Parallel port %u: %x\n", ControllerNumber, Base);
 
        /* Set 'Identifier' value */
        RtlStringCbPrintfA(Identifier, sizeof(Identifier), "PARALLEL%ld", i + 1);
 
        /* Build full device descriptor */
        Size = sizeof(CM_PARTIAL_RESOURCE_LIST);
        if (Irq[i] != (ULONG) - 1)
            Size += sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR);
 
        PartialResourceList = FrLdrHeapAlloc(Size, TAG_HW_RESOURCE_LIST);
        if (PartialResourceList == NULL)
        {
            ERR("Failed to allocate resource descriptor! Ignoring remaining parallel ports. (i = %lu)\n", i);
            break;
        }
 
        /* Initialize resource descriptor */
        RtlZeroMemory(PartialResourceList, Size);
        PartialResourceList->Version = 1;
        PartialResourceList->Revision = 1;
        PartialResourceList->Count = (Irq[i] != (ULONG) - 1) ? 2 : 1;
 
        /* Set IO Port */
        PartialDescriptor = &PartialResourceList->PartialDescriptors[0];
        PartialDescriptor->Type = CmResourceTypePort;
        PartialDescriptor->ShareDisposition = CmResourceShareDeviceExclusive;
        PartialDescriptor->Flags = CM_RESOURCE_PORT_IO;
        PartialDescriptor->u.Port.Start.LowPart = Base;
        PartialDescriptor->u.Port.Start.HighPart = 0x0;
        PartialDescriptor->u.Port.Length = 3;
 
        /* Set Interrupt */
        if (Irq[i] != (ULONG) - 1)
        {
            PartialDescriptor = &PartialResourceList->PartialDescriptors[1];
            PartialDescriptor->Type = CmResourceTypeInterrupt;
            PartialDescriptor->ShareDisposition = CmResourceShareUndetermined;
            PartialDescriptor->Flags = CM_RESOURCE_INTERRUPT_LATCHED;
            PartialDescriptor->u.Interrupt.Level = Irq[i];
            PartialDescriptor->u.Interrupt.Vector = Irq[i];
            PartialDescriptor->u.Interrupt.Affinity = 0xFFFFFFFF;
        }
 
        /* Create controller key */
        FldrCreateComponentKey(BusKey,
                               ControllerClass,
                               ParallelController,
                               Output,
                               ControllerNumber,
                               0xFFFFFFFF,
                               Identifier,
                               PartialResourceList,
                               Size,
                               &ControllerKey);
 
        ControllerNumber++;
    }
 
    TRACE("DetectParallelPorts() done\n");
}

Referenced by DetectIsaBios().

DetectPnpBios()

static VOID DetectPnpBios ( PCONFIGURATION_COMPONENT_DATA  SystemKey, ULONG *  BusNumber  )

static

Definition at line 239 of file machpc.c.

{
    PCM_PARTIAL_RESOURCE_LIST PartialResourceList;
    PCM_PNP_BIOS_DEVICE_NODE DeviceNode;
    PCM_PNP_BIOS_INSTALLATION_CHECK InstData;
    PCONFIGURATION_COMPONENT_DATA BusKey;
    ULONG x;
    ULONG NodeSize = 0;
    ULONG NodeCount = 0;
    UCHAR NodeNumber;
    ULONG FoundNodeCount;
    int i;
    ULONG PnpBufferSize;
    ULONG PnpBufferSizeLimit;
    ULONG Size;
    char *Ptr;
 
    InstData = (PCM_PNP_BIOS_INSTALLATION_CHECK)PnpBiosSupported();
    if (InstData == NULL || strncmp((CHAR*)InstData->Signature, "$PnP", 4))
    {
        TRACE("PnP-BIOS not supported\n");
        return;
    }
 
    TRACE("PnP-BIOS supported\n");
    TRACE("Signature '%c%c%c%c'\n",
          InstData->Signature[0], InstData->Signature[1],
          InstData->Signature[2], InstData->Signature[3]);
 
    x = PnpBiosGetDeviceNodeCount(&NodeSize, &NodeCount);
    if (x == 0x82)
    {
        TRACE("PnP-BIOS function 'Get Number of System Device Nodes' not supported\n");
        return;
    }
 
    NodeCount &= 0xFF; // needed since some fscked up BIOSes return
    // wrong info (e.g. Mac Virtual PC)
    // e.g. look: https://web.archive.org/web/20080329010332/http://my.execpc.com/~geezer/osd/pnp/pnp16.c
    if (x != 0 || NodeSize == 0 || NodeCount == 0)
    {
        ERR("PnP-BIOS failed to enumerate device nodes\n");
        return;
    }
    TRACE("MaxNodeSize %u  NodeCount %u\n", NodeSize, NodeCount);
    TRACE("Estimated buffer size %u\n", NodeSize * NodeCount);
 
    /* Set 'Configuration Data' value */
    PnpBufferSizeLimit = sizeof(CM_PNP_BIOS_INSTALLATION_CHECK)
                         + (NodeSize * NodeCount);
    Size = sizeof(CM_PARTIAL_RESOURCE_LIST) + PnpBufferSizeLimit;
    PartialResourceList = FrLdrHeapAlloc(Size, TAG_HW_RESOURCE_LIST);
    if (PartialResourceList == NULL)
    {
        ERR("Failed to allocate resource descriptor\n");
        return;
    }
 
    /* Initialize resource descriptor */
    RtlZeroMemory(PartialResourceList, Size);
    PartialResourceList->Version = 1;
    PartialResourceList->Revision = 1;
    PartialResourceList->Count = 1;
    PartialResourceList->PartialDescriptors[0].Type =
        CmResourceTypeDeviceSpecific;
    PartialResourceList->PartialDescriptors[0].ShareDisposition =
        CmResourceShareUndetermined;
 
    /* The buffer starts after PartialResourceList->PartialDescriptors[0] */
    Ptr = (char *)(PartialResourceList + 1);
 
    /* Set installation check data */
    memcpy (Ptr, InstData, sizeof(CM_PNP_BIOS_INSTALLATION_CHECK));
    Ptr += sizeof(CM_PNP_BIOS_INSTALLATION_CHECK);
    PnpBufferSize = sizeof(CM_PNP_BIOS_INSTALLATION_CHECK);
 
    /* Copy device nodes */
    FoundNodeCount = 0;
    for (i = 0; i < 0xFF; i++)
    {
        NodeNumber = (UCHAR)i;
 
        x = PnpBiosGetDeviceNode(&NodeNumber, DiskReadBuffer);
        if (x == 0)
        {
            DeviceNode = (PCM_PNP_BIOS_DEVICE_NODE)DiskReadBuffer;
 
            TRACE("Node: %u  Size %u (0x%x)\n",
                  DeviceNode->Node,
                  DeviceNode->Size,
                  DeviceNode->Size);
 
            if (PnpBufferSize + DeviceNode->Size > PnpBufferSizeLimit)
            {
                ERR("Buffer too small! Ignoring remaining device nodes. (i = %d)\n", i);
                break;
            }
 
            memcpy(Ptr, DeviceNode, DeviceNode->Size);
 
            Ptr += DeviceNode->Size;
            PnpBufferSize += DeviceNode->Size;
 
            FoundNodeCount++;
            if (FoundNodeCount >= NodeCount)
                break;
        }
    }
 
    /* Set real data size */
    PartialResourceList->PartialDescriptors[0].u.DeviceSpecificData.DataSize =
        PnpBufferSize;
    Size = sizeof(CM_PARTIAL_RESOURCE_LIST) + PnpBufferSize;
 
    TRACE("Real buffer size: %u\n", PnpBufferSize);
    TRACE("Resource size: %u\n", Size);
 
    /* Create component key */
    FldrCreateComponentKey(SystemKey,
                           AdapterClass,
                           MultiFunctionAdapter,
                           0,
                           0,
                           0xFFFFFFFF,
                           "PNP BIOS",
                           PartialResourceList,
                           Size,
                           &BusKey);
 
    DetectDockingStation(BusKey);
 
    (*BusNumber)++;
}

Referenced by PcHwDetect().

DetectPS2AuxDevice()

static BOOLEAN DetectPS2AuxDevice ( VOID  )

static

Definition at line 1223 of file machpc.c.

{
    UCHAR Scancode;
    UCHAR Status;
    ULONG Loops;
    BOOLEAN Result = TRUE;
 
    PS2ControllerWait();
    WRITE_PORT_UCHAR((PUCHAR)CONTROLLER_REGISTER_CONTROL,
                     CONTROLLER_COMMAND_WRITE_MOUSE);
    PS2ControllerWait();
 
    /* Identify device */
    WRITE_PORT_UCHAR((PUCHAR)CONTROLLER_REGISTER_DATA, 0xF2);
 
    /* Wait for reply */
    for (Loops = 0; Loops < 100; Loops++)
    {
        StallExecutionProcessor(10000);
        Status = READ_PORT_UCHAR((PUCHAR)CONTROLLER_REGISTER_STATUS);
        if ((Status & CONTROLLER_STATUS_OUTPUT_BUFFER_FULL) != 0)
            break;
    }
 
    Status = READ_PORT_UCHAR((PUCHAR)CONTROLLER_REGISTER_STATUS);
    if ((Status & CONTROLLER_STATUS_MOUSE_OUTPUT_BUFFER_FULL) == 0)
        Result = FALSE;
 
    Scancode = READ_PORT_UCHAR((PUCHAR)CONTROLLER_REGISTER_DATA);
    if (Scancode != 0xFA)
        Result = FALSE;
 
    StallExecutionProcessor(10000);
 
    Status = READ_PORT_UCHAR((PUCHAR)CONTROLLER_REGISTER_STATUS);
    if ((Status & CONTROLLER_STATUS_MOUSE_OUTPUT_BUFFER_FULL) == 0)
        Result = FALSE;
 
    Scancode = READ_PORT_UCHAR((PUCHAR)CONTROLLER_REGISTER_DATA);
    if (Scancode != 0x00)
        Result = FALSE;
 
    return Result;
}

Referenced by DetectPS2Mouse().

DetectPS2AuxPort()

static BOOLEAN DetectPS2AuxPort ( VOID  )

static

Definition at line 1180 of file machpc.c.

{
#if 1
    /* Current detection is too unreliable. Just do as if
     * the PS/2 aux port is always present
     */
    return TRUE;
#else
    ULONG Loops;
    UCHAR Status;
 
    /* Put the value 0x5A in the output buffer using the
     * "WriteAuxiliary Device Output Buffer" command (0xD3).
     * Poll the Status Register for a while to see if the value really turns up
     * in the Data Register. If the KEYBOARD_STATUS_MOUSE_OBF bit is also set
     * to 1 in the Status Register, we assume this controller has an
     *  Auxiliary Port (a.k.a. Mouse Port).
     */
    PS2ControllerWait();
    WRITE_PORT_UCHAR((PUCHAR)CONTROLLER_REGISTER_CONTROL,
                     CONTROLLER_COMMAND_WRITE_MOUSE_OUTPUT_BUFFER);
    PS2ControllerWait();
 
    /* 0x5A is a random dummy value */
    WRITE_PORT_UCHAR((PUCHAR)CONTROLLER_REGISTER_DATA,
                     0x5A);
 
    for (Loops = 0; Loops < 10; Loops++)
    {
        StallExecutionProcessor(10000);
        Status = READ_PORT_UCHAR((PUCHAR)CONTROLLER_REGISTER_STATUS);
        if ((Status & CONTROLLER_STATUS_OUTPUT_BUFFER_FULL) != 0)
            break;
    }
 
    READ_PORT_UCHAR((PUCHAR)CONTROLLER_REGISTER_DATA);
 
    return (Status & CONTROLLER_STATUS_MOUSE_OUTPUT_BUFFER_FULL);
#endif
}

Referenced by DetectPS2Mouse().

DetectPS2Mouse()

static VOID DetectPS2Mouse ( PCONFIGURATION_COMPONENT_DATA  BusKey )

static

Definition at line 1272 of file machpc.c.

{
    PCM_PARTIAL_RESOURCE_LIST PartialResourceList;
    PCONFIGURATION_COMPONENT_DATA ControllerKey;
    PCONFIGURATION_COMPONENT_DATA PeripheralKey;
    ULONG Size;
 
    if (DetectPS2AuxPort())
    {
        TRACE("Detected PS2 port\n");
 
        PartialResourceList = FrLdrHeapAlloc(sizeof(CM_PARTIAL_RESOURCE_LIST), TAG_HW_RESOURCE_LIST);
        if (PartialResourceList == NULL)
        {
            ERR("Failed to allocate resource descriptor\n");
            return;
        }
 
        /* Initialize resource descriptor */
        RtlZeroMemory(PartialResourceList, sizeof(CM_PARTIAL_RESOURCE_LIST));
        PartialResourceList->Version = 1;
        PartialResourceList->Revision = 1;
        PartialResourceList->Count = 1;
 
        /* Set Interrupt */
        PartialResourceList->PartialDescriptors[0].Type = CmResourceTypeInterrupt;
        PartialResourceList->PartialDescriptors[0].ShareDisposition = CmResourceShareUndetermined;
        PartialResourceList->PartialDescriptors[0].Flags = CM_RESOURCE_INTERRUPT_LATCHED;
        PartialResourceList->PartialDescriptors[0].u.Interrupt.Level = 12;
        PartialResourceList->PartialDescriptors[0].u.Interrupt.Vector = 12;
        PartialResourceList->PartialDescriptors[0].u.Interrupt.Affinity = 0xFFFFFFFF;
 
        /* Create controller key */
        FldrCreateComponentKey(BusKey,
                               ControllerClass,
                               PointerController,
                               Input,
                               0,
                               0xFFFFFFFF,
                               NULL,
                               PartialResourceList,
                               sizeof(CM_PARTIAL_RESOURCE_LIST),
                               &ControllerKey);
 
        if (DetectPS2AuxDevice())
        {
            TRACE("Detected PS2 mouse\n");
 
            /* Initialize resource descriptor */
            Size = sizeof(CM_PARTIAL_RESOURCE_LIST) -
                   sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR);
            PartialResourceList = FrLdrHeapAlloc(Size, TAG_HW_RESOURCE_LIST);
            if (PartialResourceList == NULL)
            {
                ERR("Failed to allocate resource descriptor\n");
                return;
            }
 
            RtlZeroMemory(PartialResourceList, Size);
            PartialResourceList->Version = 1;
            PartialResourceList->Revision = 1;
            PartialResourceList->Count = 0;
 
            /* Create peripheral key */
            FldrCreateComponentKey(ControllerKey,
                                   ControllerClass,
                                   PointerPeripheral,
                                   Input,
                                   0,
                                   0xFFFFFFFF,
                                   "MICROSOFT PS2 MOUSE",
                                   PartialResourceList,
                                   Size,
                                   &PeripheralKey);
        }
    }
}

Referenced by DetectIsaBios().

DetectSerialMouse()

static ULONG DetectSerialMouse ( PUCHAR  Port )

static

Definition at line 389 of file machpc.c.

{
    CHAR Buffer[4];
    ULONG i;
    ULONG TimeOut;
    UCHAR LineControl;
 
    /* Shutdown mouse or something like that */
    LineControl = READ_PORT_UCHAR(Port + 4);
    WRITE_PORT_UCHAR(Port + 4, (LineControl & ~0x02) | 0x01);
    StallExecutionProcessor(100000);
 
    /*
     * Clear buffer
     * Maybe there is no serial port although BIOS reported one (this
     * is the case on Apple hardware), or the serial port is misbehaving,
     * therefore we must give up after some time.
     */
    TimeOut = 200;
    while (READ_PORT_UCHAR(Port + 5) & 0x01)
    {
        if (--TimeOut == 0)
            return MOUSE_TYPE_NONE;
        READ_PORT_UCHAR(Port);
    }
 
    /*
     * Send modem control with 'Data Terminal Ready', 'Request To Send' and
     * 'Output Line 2' message. This enables mouse to identify.
     */
    WRITE_PORT_UCHAR(Port + 4, 0x0b);
 
    /* Wait 10 milliseconds for the mouse getting ready */
    StallExecutionProcessor(10000);
 
    /* Read first four bytes, which contains Microsoft Mouse signs */
    TimeOut = 20;
    for (i = 0; i < 4; i++)
    {
        while ((READ_PORT_UCHAR(Port + 5) & 1) == 0)
        {
            StallExecutionProcessor(100);
            --TimeOut;
            if (TimeOut == 0)
                return MOUSE_TYPE_NONE;
        }
        Buffer[i] = READ_PORT_UCHAR(Port);
    }
 
    TRACE("Mouse data: %x %x %x %x\n",
          Buffer[0], Buffer[1], Buffer[2], Buffer[3]);
 
    /* Check that four bytes for signs */
    for (i = 0; i < 4; ++i)
    {
        if (Buffer[i] == 'B')
        {
            /* Sign for Microsoft Ballpoint */
//      DbgPrint("Microsoft Ballpoint device detected\n");
//      DbgPrint("THIS DEVICE IS NOT SUPPORTED, YET\n");
            return MOUSE_TYPE_NONE;
        }
        else if (Buffer[i] == 'M')
        {
            /* Sign for Microsoft Mouse protocol followed by button specifier */
            if (i == 3)
            {
                /* Overflow Error */
                return MOUSE_TYPE_NONE;
            }
 
            switch (Buffer[i + 1])
            {
            case '3':
                TRACE("Microsoft Mouse with 3-buttons detected\n");
                return MOUSE_TYPE_LOGITECH;
 
            case 'Z':
                TRACE("Microsoft Wheel Mouse detected\n");
                return MOUSE_TYPE_WHEELZ;
 
                /* case '2': */
            default:
                TRACE("Microsoft Mouse with 2-buttons detected\n");
                return MOUSE_TYPE_MICROSOFT;
            }
        }
    }
 
    return MOUSE_TYPE_NONE;
}

Referenced by DetectSerialPointerPeripheral().

DetectSerialPointerPeripheral()

static VOID DetectSerialPointerPeripheral ( PCONFIGURATION_COMPONENT_DATA  ControllerKey, PUCHAR  Base  )

static

Definition at line 542 of file machpc.c.

{
    PCM_PARTIAL_RESOURCE_LIST PartialResourceList;
    char Buffer[256];
    CHAR Identifier[256];
    PCONFIGURATION_COMPONENT_DATA PeripheralKey;
    ULONG MouseType;
    ULONG Size, Length;
    ULONG i;
    ULONG j;
    ULONG k;
 
    TRACE("DetectSerialPointerPeripheral()\n");
 
    Identifier[0] = 0;
 
    InitializeSerialPort(Base, 2);
    MouseType = DetectSerialMouse(Base);
 
    if (MouseType != MOUSE_TYPE_NONE)
    {
        Length = GetSerialMousePnpId(Base, Buffer);
        TRACE( "PnP ID length: %u\n", Length);
 
        if (Length != 0)
        {
            /* Convert PnP sting to ASCII */
            if (Buffer[0] == 0x08)
            {
                for (i = 0; i < Length; i++)
                    Buffer[i] += 0x20;
            }
            Buffer[Length] = 0;
 
            TRACE("PnP ID string: %s\n", Buffer);
 
            /* Copy PnpId string */
            for (i = 0; i < 7; i++)
            {
                Identifier[i] = Buffer[3 + i];
            }
            memcpy(&Identifier[7],
                   L" - ",
                   3 * sizeof(WCHAR));
 
            /* Skip device serial number */
            i = 10;
            if (Buffer[i] == '\\')
            {
                for (j = ++i; i < Length; ++i)
                {
                    if (Buffer[i] == '\\')
                        break;
                }
                if (i >= Length)
                    i -= 3;
            }
 
            /* Skip PnP class */
            if (Buffer[i] == '\\')
            {
                for (j = ++i; i < Length; ++i)
                {
                    if (Buffer[i] == '\\')
                        break;
                }
 
                if (i >= Length)
                    i -= 3;
            }
 
            /* Skip compatible PnP Id */
            if (Buffer[i] == '\\')
            {
                for (j = ++i; i < Length; ++i)
                {
                    if (Buffer[i] == '\\')
                        break;
                }
                if (Buffer[j] == '*')
                    ++j;
                if (i >= Length)
                    i -= 3;
            }
 
            /* Get product description */
            if (Buffer[i] == '\\')
            {
                for (j = ++i; i < Length; ++i)
                {
                    if (Buffer[i] == ';')
                        break;
                }
                if (i >= Length)
                    i -= 3;
                if (i > j + 1)
                {
                    for (k = 0; k < i - j; k++)
                    {
                        Identifier[k + 10] = Buffer[k + j];
                    }
                    Identifier[10 + (i - j)] = 0;
                }
            }
 
            TRACE("Identifier string: %s\n", Identifier);
        }
 
        if (Length == 0 || strlen(Identifier) < 11)
        {
            switch (MouseType)
            {
            case MOUSE_TYPE_LOGITECH:
                strcpy(Identifier, "LOGITECH SERIAL MOUSE");
                break;
 
            case MOUSE_TYPE_WHEELZ:
                strcpy(Identifier, "MICROSOFT SERIAL MOUSE WITH WHEEL");
                break;
 
            case MOUSE_TYPE_MICROSOFT:
            default:
                strcpy(Identifier, "MICROSOFT SERIAL MOUSE");
                break;
            }
        }
 
        /* Set 'Configuration Data' value */
        Size = sizeof(CM_PARTIAL_RESOURCE_LIST) -
               sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR);
        PartialResourceList = FrLdrHeapAlloc(Size, TAG_HW_RESOURCE_LIST);
        if (PartialResourceList == NULL)
        {
            ERR("Failed to allocate resource descriptor\n");
            return;
        }
 
        RtlZeroMemory(PartialResourceList, Size);
        PartialResourceList->Version = 1;
        PartialResourceList->Revision = 1;
        PartialResourceList->Count = 0;
 
        /* Create 'PointerPeripheral' key */
        FldrCreateComponentKey(ControllerKey,
                               PeripheralClass,
                               PointerPeripheral,
                               Input,
                               0,
                               0xFFFFFFFF,
                               Identifier,
                               PartialResourceList,
                               Size,
                               &PeripheralKey);
    }
}

Referenced by DetectSerialPorts().

DetectSerialPorts()

VOID DetectSerialPorts	(	_In_opt_ PCSTR	Options,
		_Inout_ PCONFIGURATION_COMPONENT_DATA	BusKey,
		_In_ GET_SERIAL_PORT	MachGetSerialPort,
		_In_ ULONG	Count
	)

Definition at line 766 of file machpc.c.

{
    PCM_PARTIAL_RESOURCE_LIST PartialResourceList;
    PCM_PARTIAL_RESOURCE_DESCRIPTOR PartialDescriptor;
    PCM_SERIAL_DEVICE_DATA SerialDeviceData;
    ULONG Irq;
    ULONG Base;
    CHAR Identifier[80];
    ULONG ControllerNumber = 0;
    PCONFIGURATION_COMPONENT_DATA ControllerKey;
    ULONG i;
    ULONG Size;
    ULONG PortBitmap;
 
    TRACE("DetectSerialPorts()\n");
 
    PortBitmap = GetSerialMouseDetectionBitmap(Options);
 
    for (i = 0; i < Count; i++)
    {
        Base = MachGetSerialPort(i, &Irq);
        if ((Base == 0) || !CpDoesPortExist(UlongToPtr(Base)))
            continue;
 
        TRACE("Found COM%u port at 0x%x\n", i + 1, Base);
 
        /* Set 'Identifier' value */
        RtlStringCbPrintfA(Identifier, sizeof(Identifier), "COM%ld", i + 1);
 
        /* Build full device descriptor */
        Size = sizeof(CM_PARTIAL_RESOURCE_LIST) +
               2 * sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR) +
               sizeof(CM_SERIAL_DEVICE_DATA);
        PartialResourceList = FrLdrHeapAlloc(Size, TAG_HW_RESOURCE_LIST);
        if (PartialResourceList == NULL)
        {
            ERR("Failed to allocate resource descriptor! Ignoring remaining serial ports. (i = %lu, Count = %lu)\n",
                i, Count);
            break;
        }
 
        /* Initialize resource descriptor */
        RtlZeroMemory(PartialResourceList, Size);
        PartialResourceList->Version = 1;
        PartialResourceList->Revision = 1;
        PartialResourceList->Count = 3;
 
        /* Set IO Port */
        PartialDescriptor = &PartialResourceList->PartialDescriptors[0];
        PartialDescriptor->Type = CmResourceTypePort;
        PartialDescriptor->ShareDisposition = CmResourceShareDeviceExclusive;
        PartialDescriptor->Flags = CM_RESOURCE_PORT_IO;
        PartialDescriptor->u.Port.Start.LowPart = Base;
        PartialDescriptor->u.Port.Start.HighPart = 0x0;
        PartialDescriptor->u.Port.Length = 8;
 
        /* Set Interrupt */
        PartialDescriptor = &PartialResourceList->PartialDescriptors[1];
        PartialDescriptor->Type = CmResourceTypeInterrupt;
        PartialDescriptor->ShareDisposition = CmResourceShareUndetermined;
        PartialDescriptor->Flags = CM_RESOURCE_INTERRUPT_LATCHED;
        PartialDescriptor->u.Interrupt.Level = Irq;
        PartialDescriptor->u.Interrupt.Vector = Irq;
        PartialDescriptor->u.Interrupt.Affinity = 0xFFFFFFFF;
 
        /* Set serial data (device specific) */
        PartialDescriptor = &PartialResourceList->PartialDescriptors[2];
        PartialDescriptor->Type = CmResourceTypeDeviceSpecific;
        PartialDescriptor->ShareDisposition = CmResourceShareUndetermined;
        PartialDescriptor->Flags = 0;
        PartialDescriptor->u.DeviceSpecificData.DataSize = sizeof(CM_SERIAL_DEVICE_DATA);
 
        SerialDeviceData =
            (PCM_SERIAL_DEVICE_DATA)&PartialResourceList->PartialDescriptors[3];
        SerialDeviceData->BaudClock = 1843200; /* UART Clock frequency (Hertz) */
 
        /* Create controller key */
        FldrCreateComponentKey(BusKey,
                               ControllerClass,
                               SerialController,
                               Output | Input | ConsoleIn | ConsoleOut,
                               ControllerNumber,
                               0xFFFFFFFF,
                               Identifier,
                               PartialResourceList,
                               Size,
                               &ControllerKey);
 
        if (!(PortBitmap & (1 << i)) && !Rs232PortInUse(UlongToPtr(Base)))
        {
            /* Detect serial mouse */
            DetectSerialPointerPeripheral(ControllerKey, UlongToPtr(Base));
        }
 
        ControllerNumber++;
    }
}

Referenced by DetectIsaBios().

GetSerialMouseDetectionBitmap()

static ULONG GetSerialMouseDetectionBitmap ( _In_opt_ PCSTR  Options )

static

Definition at line 726 of file machpc.c.

{
    PCSTR Option, c;
    ULONG OptionLength, PortBitmap, i;
 
    if (NtLdrGetOption(Options, "FASTDETECT"))
        return (1 << MAX_COM_PORTS) - 1;
 
    Option = NtLdrGetOptionEx(Options, "NOSERIALMICE=", &OptionLength);
    if (!Option)
        Option = NtLdrGetOptionEx(Options, "NOSERIALMICE:", &OptionLength);
 
    if (!Option)
        return 0;
 
    /* Invalid port list */
    if (OptionLength < (sizeof("NOSERIALMICE=COM9") - 1))
        return (1 << MAX_COM_PORTS) - 1;
 
    /* Move to the port list */
    Option += sizeof("NOSERIALMICE=COM") - 1;
    OptionLength -= sizeof("NOSERIALMICE=COM") - 1;
 
    PortBitmap = 0;
    c = Option;
    for (i = 0; i < OptionLength; i += 2)
    {
        UCHAR PortNumber = *c - '0';
 
        if (PortNumber > 0 && PortNumber <= 9)
            PortBitmap |= 1 << (PortNumber - 1);
 
        c += 2;
    }
 
    return PortBitmap;
}

Referenced by DetectSerialPorts().

GetSerialMousePnpId()

static ULONG GetSerialMousePnpId ( PUCHAR  Port, char *  Buffer  )

static

Definition at line 482 of file machpc.c.

{
    ULONG TimeOut;
    ULONG i = 0;
    char c;
    char x;
 
    WRITE_PORT_UCHAR(Port + 4, 0x09);
 
    /* Wait 10 milliseconds for the mouse getting ready */
    StallExecutionProcessor(10000);
 
    WRITE_PORT_UCHAR(Port + 4, 0x0b);
 
    StallExecutionProcessor(10000);
 
    for (;;)
    {
        TimeOut = 200;
        while (((READ_PORT_UCHAR(Port + 5) & 1) == 0) && (TimeOut > 0))
        {
            StallExecutionProcessor(1000);
            --TimeOut;
            if (TimeOut == 0)
            {
                return 0;
            }
        }
 
        c = READ_PORT_UCHAR(Port);
        if (c == 0x08 || c == 0x28)
            break;
    }
 
    Buffer[i++] = c;
    x = c + 1;
 
    for (;;)
    {
        TimeOut = 200;
        while (((READ_PORT_UCHAR(Port + 5) & 1) == 0) && (TimeOut > 0))
        {
            StallExecutionProcessor(1000);
            --TimeOut;
            if (TimeOut == 0)
                return 0;
        }
        c = READ_PORT_UCHAR(Port);
        Buffer[i++] = c;
        if (c == x)
            break;
        if (i >= 256)
            break;
    }
 
    return i;
}

Referenced by DetectSerialPointerPeripheral().

InitializeSerialPort()

static VOID InitializeSerialPort ( PUCHAR  Port, UCHAR  LineControl  )

static

Definition at line 375 of file machpc.c.

{
    WRITE_PORT_UCHAR(Port + 3, 0x80);  /* set DLAB on   */
    WRITE_PORT_UCHAR(Port,     0x60);  /* speed LO byte */
    WRITE_PORT_UCHAR(Port + 1, 0);     /* speed HI byte */
    WRITE_PORT_UCHAR(Port + 3, LineControl);
    WRITE_PORT_UCHAR(Port + 1, 0);     /* set comm and DLAB to 0 */
    WRITE_PORT_UCHAR(Port + 4, 0x09);  /* DR int enable */
    READ_PORT_UCHAR(Port + 5);  /* clear error bits */
}

Referenced by DetectSerialPointerPeripheral().

MachInit()

VOID MachInit

(

const char *

CmdLine

)

Definition at line 1761 of file machpc.c.

{
    /* Setup vtbl */
    RtlZeroMemory(&MachVtbl, sizeof(MachVtbl));
    MachVtbl.ConsPutChar = PcConsPutChar;
    MachVtbl.ConsKbHit = PcConsKbHit;
    MachVtbl.ConsGetCh = PcConsGetCh;
    MachVtbl.VideoClearScreen = PcVideoClearScreen;
    MachVtbl.VideoSetDisplayMode = PcVideoSetDisplayMode;
    MachVtbl.VideoGetDisplaySize = PcVideoGetDisplaySize;
    MachVtbl.VideoGetBufferSize = PcVideoGetBufferSize;
    MachVtbl.VideoGetFontsFromFirmware = PcVideoGetFontsFromFirmware;
    MachVtbl.VideoSetTextCursorPosition = PcVideoSetTextCursorPosition;
    MachVtbl.VideoHideShowTextCursor = PcVideoHideShowTextCursor;
    MachVtbl.VideoPutChar = PcVideoPutChar;
    MachVtbl.VideoCopyOffScreenBufferToVRAM = PcVideoCopyOffScreenBufferToVRAM;
    MachVtbl.VideoIsPaletteFixed = PcVideoIsPaletteFixed;
    MachVtbl.VideoSetPaletteColor = PcVideoSetPaletteColor;
    MachVtbl.VideoGetPaletteColor = PcVideoGetPaletteColor;
    MachVtbl.VideoSync = PcVideoSync;
    MachVtbl.Beep = PcBeep;
    MachVtbl.PrepareForReactOS = PcPrepareForReactOS;
    MachVtbl.GetMemoryMap = PcMemGetMemoryMap;
    MachVtbl.GetExtendedBIOSData = PcGetExtendedBIOSData;
    MachVtbl.GetFloppyCount = PcGetFloppyCount;
    MachVtbl.DiskReadLogicalSectors = PcDiskReadLogicalSectors;
    MachVtbl.DiskGetDriveGeometry = PcDiskGetDriveGeometry;
    MachVtbl.DiskGetCacheableBlockCount = PcDiskGetCacheableBlockCount;
    MachVtbl.GetTime = PcGetTime;
    MachVtbl.InitializeBootDevices = PcInitializeBootDevices;
    MachVtbl.HwDetect = PcHwDetect;
    MachVtbl.HwIdle = PcHwIdle;
 
    HalpCalibrateStallExecution();
}

PcGetExtendedBIOSData()

VOID PcGetExtendedBIOSData	(	PULONG	ExtendedBIOSDataArea,
		PULONG	ExtendedBIOSDataSize
	)

Definition at line 96 of file machpc.c.

{
    REGS BiosRegs;
 
    /* Get address and size of the extended BIOS data area */
    BiosRegs.d.eax = 0xC100;
    Int386(0x15, &BiosRegs, &BiosRegs);
    if (INT386_SUCCESS(BiosRegs))
    {
        *ExtendedBIOSDataArea = BiosRegs.w.es << 4;
        *ExtendedBIOSDataSize = 1024;
    }
    else
    {
        WARN("Int 15h AH=C1h call failed\n");
        *ExtendedBIOSDataArea = 0;
        *ExtendedBIOSDataSize = 0;
    }
}

Referenced by MachInit().

PcGetFloppyCount()

static UCHAR PcGetFloppyCount ( VOID  )

static

Definition at line 1664 of file machpc.c.

{
    UCHAR Data;
 
    WRITE_PORT_UCHAR((PUCHAR)0x70, 0x10);
    Data = READ_PORT_UCHAR((PUCHAR)0x71);
 
    return ((Data & 0xF0) ? 1 : 0) + ((Data & 0x0F) ? 1 : 0);
}

Referenced by MachInit().

PcGetHarddiskConfigurationData()

static PCM_PARTIAL_RESOURCE_LIST PcGetHarddiskConfigurationData ( UCHAR  DriveNumber, ULONG *  pSize  )

static

Definition at line 120 of file machpc.c.

{
    PCM_PARTIAL_RESOURCE_LIST PartialResourceList;
    PCM_DISK_GEOMETRY_DEVICE_DATA DiskGeometry;
    GEOMETRY Geometry;
    ULONG Size;
 
    /* Initialize returned size */
    *pSize = 0;
 
    /* Set 'Configuration Data' value */
    Size = sizeof(CM_PARTIAL_RESOURCE_LIST) +
           sizeof(CM_DISK_GEOMETRY_DEVICE_DATA);
    PartialResourceList = FrLdrHeapAlloc(Size, TAG_HW_RESOURCE_LIST);
    if (PartialResourceList == NULL)
    {
        ERR("Failed to allocate resource descriptor\n");
        return NULL;
    }
 
    RtlZeroMemory(PartialResourceList, Size);
    PartialResourceList->Version = 1;
    PartialResourceList->Revision = 1;
    PartialResourceList->Count = 1;
    PartialResourceList->PartialDescriptors[0].Type =
        CmResourceTypeDeviceSpecific;
//  PartialResourceList->PartialDescriptors[0].ShareDisposition =
//  PartialResourceList->PartialDescriptors[0].Flags =
    PartialResourceList->PartialDescriptors[0].u.DeviceSpecificData.DataSize =
        sizeof(CM_DISK_GEOMETRY_DEVICE_DATA);
 
    /* Get pointer to geometry data */
    DiskGeometry = (PVOID)(((ULONG_PTR)PartialResourceList) + sizeof(CM_PARTIAL_RESOURCE_LIST));
 
    /* Get the disk geometry */
    if (PcDiskGetDriveGeometry(DriveNumber, &Geometry))
    {
        DiskGeometry->BytesPerSector = Geometry.BytesPerSector;
        DiskGeometry->NumberOfCylinders = Geometry.Cylinders;
        DiskGeometry->SectorsPerTrack = Geometry.SectorsPerTrack;
        DiskGeometry->NumberOfHeads = Geometry.Heads;
    }
    else
    {
        TRACE("Reading disk geometry failed\n");
        FrLdrHeapFree(PartialResourceList, TAG_HW_RESOURCE_LIST);
        return NULL;
    }
    TRACE("Disk %x: %u Cylinders  %u Heads  %u Sectors  %u Bytes\n",
          DriveNumber,
          DiskGeometry->NumberOfCylinders,
          DiskGeometry->NumberOfHeads,
          DiskGeometry->SectorsPerTrack,
          DiskGeometry->BytesPerSector);
 
    /* Return configuration data */
    *pSize = Size;
    return PartialResourceList;
}

Referenced by PcHwDetect().

PcGetSerialPort()

static ULONG PcGetSerialPort ( ULONG  Index, PULONG  Irq  )

static

Definition at line 701 of file machpc.c.

{
    static const ULONG PcIrq[MAX_COM_PORTS] = {4, 3, 4, 3};
    PUSHORT BasePtr;
 
    /*
     * The BIOS data area 0x400 holds the address of the first valid COM port.
     * Each COM port address is stored in a 2-byte field.
     * Infos at: https://web.archive.org/web/20240119203029/http://www.bioscentral.com/misc/bda.htm
     */
    BasePtr = (PUSHORT)0x400;
    *Irq = PcIrq[Index];
 
    return (ULONG) *(BasePtr + Index);
}

Referenced by DetectIsaBios().

PcHwDetect()

PCONFIGURATION_COMPONENT_DATA PcHwDetect

(

_In_opt_ PCSTR

Options

)

Definition at line 1676 of file machpc.c.

{
    PCONFIGURATION_COMPONENT_DATA SystemKey;
    ULONG BusNumber = 0;
 
    TRACE("DetectHardware()\n");
 
    /* Create the 'System' key */
    // TODO: Discover and set the other machine types
    FldrCreateSystemKey(&SystemKey, "AT/AT COMPATIBLE");
 
    GetHarddiskConfigurationData = PcGetHarddiskConfigurationData;
    FindPciBios = PcFindPciBios;
 
    /* Detect buses */
    DetectPciBios(SystemKey, &BusNumber);
    DetectApmBios(SystemKey, &BusNumber);
    DetectPnpBios(SystemKey, &BusNumber);
    DetectIsaBios(Options, SystemKey, &BusNumber); // TODO: Detect first EISA or MCA, before ISA
    DetectAcpiBios(SystemKey, &BusNumber);
 
    // TODO: Collect the ROM blocks from 0xC0000 to 0xF0000 and append their
    // CM_ROM_BLOCK data into the 'System' key's configuration data.
 
    TRACE("DetectHardware() Done\n");
    return SystemKey;
}

Referenced by MachInit().

PcHwIdle()

VOID PcHwIdle

(

VOID

)

Definition at line 1706 of file machpc.c.

{
    REGS Regs;
 
    /* Select APM 1.0+ function */
    Regs.b.ah = 0x53;
 
    /* Function 05h: CPU idle */
    Regs.b.al = 0x05;
 
    /* Call INT 15h */
    Int386(0x15, &Regs, &Regs);
 
    /* Check if successfull (CF set on error) */
    if (INT386_SUCCESS(Regs))
        return;
 
    /*
     * No futher processing here.
     * Optionally implement HLT instruction handling.
     */
}

Referenced by MachInit().

PcPrepareForReactOS()

VOID PcPrepareForReactOS

(

VOID

)

Definition at line 1798 of file machpc.c.

{
    /* On PC, prepare video and turn off the floppy motor */
    PcVideoPrepareForReactOS();
    DiskStopFloppyMotor();
}

Referenced by MachInit().

PS2ControllerWait()

static VOID PS2ControllerWait ( VOID  )

static

Definition at line 1162 of file machpc.c.

{
    ULONG Timeout;
    UCHAR Status;
 
    for (Timeout = 0; Timeout < CONTROLLER_TIMEOUT; Timeout++)
    {
        Status = READ_PORT_UCHAR((PUCHAR)CONTROLLER_REGISTER_STATUS);
        if ((Status & CONTROLLER_STATUS_INPUT_BUFFER_FULL) == 0)
            return;
 
        /* Sleep for one millisecond */
        StallExecutionProcessor(1000);
    }
}

Referenced by DetectPS2AuxDevice(), and DetectPS2AuxPort().