NtQuerySystemInformation: cpu information
Oliver Stieber
oliver_stieber at yahoo.co.uk
Thu Jan 27 15:02:56 CST 2005
I'll see if darwinia runs ok now, it fails witht a
cannot detect CPU error.
http://www.darwinia.co.uk/downloads/
--- Rein Klazes <wijn at wanadoo.nl> wrote:
> Hi,
>
> Changelog:
> dlls/ntdll : nt.c
> include : winternl.h
>
> In NtQuerySystemInformation, handle request for
> information
> class 1, now named SystemCpuInformation. Return
> some dummy
> data for now.
>
> Rein.
> > --- wine/dlls/ntdll/nt.c 2005-01-27
> 08:32:17.000000000 +0100
> +++ mywine/dlls/ntdll/nt.c 2005-01-27
> 13:52:32.000000000 +0100
> @@ -546,6 +546,22 @@ NTSTATUS WINAPI
> NtQuerySystemInformation
> else ret = STATUS_INFO_LENGTH_MISMATCH;
> }
> break;
> + case SystemCpuInformation:
> + {
> + SYSTEM_CPU_INFORMATION* sci;
> + sci = (SYSTEM_CPU_INFORMATION *)
> SystemInformation;
> + if (Length >= sizeof(*sci))
> + {
> + /* FIXME: move some code from
> kernel/cpu.c to process this */
> + sci->Architecture =
> PROCESSOR_ARCHITECTURE_INTEL;
> + sci->Level = 6; /* 686, aka Pentium
> II+ */
> + sci->Revision = 0;
> + sci->Reserved = 0;
> + sci->FeatureSet = 0x1fff;
> + }
> + else ret = STATUS_INFO_LENGTH_MISMATCH;
> + }
> + break;
> case SystemPerformanceInformation:
> {
> SYSTEM_PERFORMANCE_INFORMATION* spi =
> (SYSTEM_PERFORMANCE_INFORMATION*)SystemInformation;
> --- wine/include/winternl.h 2005-01-27
> 08:32:53.000000000 +0100
> +++ mywine/include/winternl.h 2005-01-27
> 13:54:11.000000000 +0100
> @@ -521,7 +521,7 @@ typedef enum _SECTION_INHERIT {
>
> typedef enum _SYSTEM_INFORMATION_CLASS {
> SystemBasicInformation = 0,
> - Unknown1,
> + SystemCpuInformation = 1,
> SystemPerformanceInformation = 2,
> SystemTimeOfDayInformation = 3, /* was
> SystemTimeInformation */
> Unknown4,
> @@ -908,6 +908,35 @@ typedef struct
> _SYSTEM_BASIC_INFORMATION
> #endif
> } SYSTEM_BASIC_INFORMATION,
> *PSYSTEM_BASIC_INFORMATION;
>
> +/* CPU Information Class 0x01 */
> +typedef struct {
> + WORD Architecture;
> + WORD Level;
> + WORD Revision; /* combination of CPU
> model and stepping */
> + WORD Reserved; /* always zero */
> + DWORD FeatureSet; /* see bit flags below */
> +} SYSTEM_CPU_INFORMATION;
> +
> +/* definitions of bits in the Feature set for the
> x86 processors */
> +#define CPU_FEATURE_VME 0x00000005 /* Virtual
> 86 Mode Extensions */
> +#define CPU_FEATURE_TSC 0x00000002 /* Time
> Stamp Counter available */
> +#define CPU_FEATURE_CMOV 0x00000008 /*
> Conditional Move instruction*/
> +#define CPU_FEATURE_PGE 0x00000014 /* Page
> table Entry Global bit */
> +#define CPU_FEATURE_PSE 0x00000024 /* Page
> Size Extension */
> +#define CPU_FEATURE_MTRR 0x00000040 /* Memory
> Type Range Registers */
> +#define CPU_FEATURE_CX8 0x00000080 /* Compare
> and eXchange 8 byte instr. */
> +#define CPU_FEATURE_MMX 0x00000100 /* Multi
> Media eXtensions */
> +#define CPU_FEATURE_X86 0x00000200 /* seems to
> be alway ON, on the '86 */
> +#define CPU_FEATURE_PAT 0x00000400 /* Page
> Attribute Table */
> +#define CPU_FEATURE_FXSR 0x00000800 /* FXSAVE
> and FXSTORE instructions */
> +#define CPU_FEATURE_SEP 0x00001000 /* SYSENTER
> and SYSEXIT instructions */
> +#define CPU_FEATURE_SSE 0x00002000 /* SSE
> extenstions (ext. MMX) */
> +#define CPU_FEATURE_3DNOW 0x00008000 /* 3DNOW
> instructions available
> + (FIXME:
> needs to be confirmed) */
> +#define CPU_FEATURE_SSE2 0x00010000 /* SSE2
> extensions (XMMI64) */
> +#define CPU_FEATURE_DS 0x00020000 /* Debug
> Store */
> +#define CPU_FEATURE_HTT 0x00040000 /* Hyper
> Threading Technology */
> +
> /* System Information Class 0x15 */
> typedef struct {
> ULONG CurrentSize;
>
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