sysinfo.c File Reference

#include <hal.h>
#include <x86x64/Cpuid.h>
#include <debug.h>

Include dependency graph for sysinfo.c:

Go to the source code of this file.

Macros
#define	NDEBUG
#define	REPORT_THIS_CASE(X)   case X: DPRINT1("Unhandled case: %s\n", #X); break

Typedefs
typedef unsigned int	UINT = NULL

Functions
NTSTATUS NTAPI	HaliHandlePCIConfigSpaceAccess (_In_ BOOLEAN IsRead, _In_ ULONG Port, _In_ ULONG Length, _Inout_ PULONG Buffer)
static NTSTATUS	HaliQueryProcessorBrandString (_Out_writes_(BrandStringLength) PCHAR BrandString, _In_ ULONG BrandStringLength, _Out_ PULONG ReturnedLength)
NTSTATUS NTAPI	HaliQuerySystemInformation (IN HAL_QUERY_INFORMATION_CLASS InformationClass, IN ULONG BufferSize, IN OUT PVOID Buffer, OUT PULONG ReturnedLength)
NTSTATUS NTAPI	HaliSetSystemInformation (IN HAL_SET_INFORMATION_CLASS InformationClass, IN ULONG BufferSize, IN OUT PVOID Buffer)

Variables
HAL_AMLI_BAD_IO_ADDRESS_LIST	HalAMLIBadIOAddressList []

Macro Definition Documentation

NDEBUG

#define NDEBUG

Definition at line 16 of file sysinfo.c.

REPORT_THIS_CASE

#define REPORT_THIS_CASE

(

X

)

case X: DPRINT1("Unhandled case: %s\n", #X); break

Typedef Documentation

UINT

_In_ UINT = NULL

Definition at line 13 of file sysinfo.c.

Function Documentation

HaliHandlePCIConfigSpaceAccess()

NTSTATUS NTAPI HaliHandlePCIConfigSpaceAccess	(	_In_ BOOLEAN	IsRead,
		_In_ ULONG	Port,
		_In_ ULONG	Length,
		_Inout_ PULONG	Buffer
	)

Definition at line 46 of file sysinfo.c.

{
    DPRINT1("HaliHandlePCIConfigSpaceAccess: IsRead %X, Port 0x%X, Length %u, Buffer %p\n", IsRead, Port, Length, Buffer);
    //ASSERT(FALSE);
    return STATUS_NOT_IMPLEMENTED;
}

HaliQueryProcessorBrandString()

static NTSTATUS HaliQueryProcessorBrandString ( _Out_writes_(BrandStringLength) PCHAR  BrandString, _In_ ULONG  BrandStringLength, _Out_ PULONG  ReturnedLength  )

static

Definition at line 58 of file sysinfo.c.

{
    CPUID_EXTENDED_FUNCTION_REGS ExtendedFunction;
    union
    {
        INT AsInt[3 * 4];
        CHAR Chars[49];
    } BrandStringUnion;
 
    *ReturnedLength = sizeof(BrandStringUnion.Chars);
    if (BrandStringLength < *ReturnedLength)
    {
        DPRINT1("HaliQueryProcessorBrandString: Buffer too small (%u < %u)\n", BrandStringLength, *ReturnedLength);
        return STATUS_INFO_LENGTH_MISMATCH;
    }
 
    /* Check if we can query the brand string */
    __cpuid(ExtendedFunction.AsInt32, CPUID_EXTENDED_FUNCTION);
    if (ExtendedFunction.MaxLeaf < CPUID_BRAND_STRING3)
    {
        return STATUS_NOT_SUPPORTED;
    }
 
    __cpuid(&BrandStringUnion.AsInt[0], CPUID_BRAND_STRING1);
    __cpuid(&BrandStringUnion.AsInt[4], CPUID_BRAND_STRING2);
    __cpuid(&BrandStringUnion.AsInt[8], CPUID_BRAND_STRING3);
    BrandStringUnion.Chars[48] = '\0'; // Ensure null-termination
 
    /* Copy the brand string to the output buffer */
    RtlCopyMemory(BrandString,
                  BrandStringUnion.Chars,
                  sizeof(BrandStringUnion.Chars));
 
    return STATUS_SUCCESS;
}

Referenced by HaliQuerySystemInformation().

HaliQuerySystemInformation()

NTSTATUS NTAPI HaliQuerySystemInformation	(	IN HAL_QUERY_INFORMATION_CLASS	InformationClass,
		IN ULONG	BufferSize,
		IN OUT PVOID	Buffer,
		OUT PULONG	ReturnedLength
	)

Definition at line 99 of file sysinfo.c.

{
#define REPORT_THIS_CASE(X) case X: DPRINT1("Unhandled case: %s\n", #X); break
    switch (InformationClass)
    {
        REPORT_THIS_CASE(HalInstalledBusInformation);
        REPORT_THIS_CASE(HalProfileSourceInformation);
        REPORT_THIS_CASE(HalInformationClassUnused1);
        REPORT_THIS_CASE(HalPowerInformation);
        REPORT_THIS_CASE(HalProcessorSpeedInformation);
        REPORT_THIS_CASE(HalCallbackInformation);
        REPORT_THIS_CASE(HalMapRegisterInformation);
        REPORT_THIS_CASE(HalMcaLogInformation);
        case HalFrameBufferCachingInformation:
        {
            /* FIXME: TODO */
            return STATUS_NOT_IMPLEMENTED;
        }
        REPORT_THIS_CASE(HalDisplayBiosInformation);
        REPORT_THIS_CASE(HalProcessorFeatureInformation);
        REPORT_THIS_CASE(HalNumaTopologyInterface);
        REPORT_THIS_CASE(HalErrorInformation);
        REPORT_THIS_CASE(HalCmcLogInformation);
        REPORT_THIS_CASE(HalCpeLogInformation);
        REPORT_THIS_CASE(HalQueryMcaInterface);
        case HalQueryAMLIIllegalIOPortAddresses:
        {
            ULONG Size = sizeof(HalAMLIBadIOAddressList);
            NTSTATUS Status = STATUS_INFO_LENGTH_MISMATCH;
 
            if (BufferSize >= Size)
            {
                RtlCopyMemory(Buffer, HalAMLIBadIOAddressList, Size);
                Status = STATUS_SUCCESS;
            }
 
            *ReturnedLength = Size;
            KeFlushWriteBuffer();
            return Status;
        }
 
        REPORT_THIS_CASE(HalQueryMaxHotPlugMemoryAddress);
        REPORT_THIS_CASE(HalPartitionIpiInterface);
        REPORT_THIS_CASE(HalPlatformInformation);
        REPORT_THIS_CASE(HalQueryProfileSourceList);
        REPORT_THIS_CASE(HalInitLogInformation);
        REPORT_THIS_CASE(HalFrequencyInformation);
        case HalProcessorBrandString:
        {
            return HaliQueryProcessorBrandString((PCHAR)Buffer, BufferSize, ReturnedLength);
        }
        REPORT_THIS_CASE(HalHypervisorInformation);
        REPORT_THIS_CASE(HalPlatformTimerInformation);
        REPORT_THIS_CASE(HalAcpiAuditInformation);
    }
#undef REPORT_THIS_CASE
 
    UNIMPLEMENTED;
    return STATUS_NOT_IMPLEMENTED;
}

HaliSetSystemInformation()

NTSTATUS NTAPI HaliSetSystemInformation	(	IN HAL_SET_INFORMATION_CLASS	InformationClass,
		IN ULONG	BufferSize,
		IN OUT PVOID	Buffer
	)

Definition at line 165 of file sysinfo.c.

{
    UNIMPLEMENTED;
    return STATUS_NOT_IMPLEMENTED;
}

Variable Documentation

HalAMLIBadIOAddressList

HAL_AMLI_BAD_IO_ADDRESS_LIST HalAMLIBadIOAddressList[]

Initial value:

=
{
    { 0x0000, 0x10, 1, NULL }, 
    { 0x0020, 0x02, 0, NULL }, 
    { 0x0040, 0x04, 1, NULL }, 
    { 0x0048, 0x04, 1, NULL }, 
    { 0x0070, 0x02, 1, NULL }, 
    { 0x0074, 0x03, 1, NULL }, 
    { 0x0081, 0x03, 1, NULL }, 
    { 0x0087, 0x01, 1, NULL }, 
    { 0x0089, 0x01, 1, NULL }, 
    { 0x008A, 0x02, 1, NULL }, 
    { 0x008F, 0x01, 1, NULL }, 
    { 0x0090, 0x02, 1, NULL }, 
    { 0x0093, 0x02, 1, NULL }, 
    { 0x0096, 0x02, 1, NULL }, 
    { 0x00A0, 0x02, 0, NULL }, 
    { 0x00C0, 0x20, 1, NULL }, 
    { 0x04D0, 0x02, 0, NULL }, 
    { 0x0CF8, 0x08, 1, &HaliHandlePCIConfigSpaceAccess }, 
    { 0x0000, 0x00, 0, NULL } 
}

Definition at line 19 of file sysinfo.c.

Referenced by HaliQuerySystemInformation().