Module: wine Branch: refs/heads/master Commit: 418b839980cffb8fa2bceef3f1c7f8dd59a1058a URL: http://source.winehq.org/git/?p=wine.git;a=commit;h=418b839980cffb8fa2bceef3...
Author: Paul Vriens paul.vriens@xs4all.nl Date: Wed Mar 22 11:43:19 2006 +0100
kernel: Add processor specific environment variables.
---
dlls/kernel/cpu.c | 76 ++++++++++++++++++++++++++++++++++++++++++++++++++++- 1 files changed, 74 insertions(+), 2 deletions(-)
diff --git a/dlls/kernel/cpu.c b/dlls/kernel/cpu.c index 6e0ef78..8dca1f5 100644 --- a/dlls/kernel/cpu.c +++ b/dlls/kernel/cpu.c @@ -102,7 +102,7 @@ static inline int have_cpuid(void) static BYTE PF[64] = {0,}; static ULONGLONG cpuHz = 1000000000; /* default to a 1GHz */
-static void create_registry_keys( const SYSTEM_INFO *info ) +static void create_system_registry_keys( const SYSTEM_INFO *info ) { static const WCHAR SystemW[] = {'M','a','c','h','i','n','e','\', 'H','a','r','d','w','a','r','e','\', @@ -177,6 +177,73 @@ static void create_registry_keys( const NtClose( system_key ); }
+static void create_env_registry_keys( const SYSTEM_INFO *info ) +{ + static const WCHAR EnvironW[] = {'M','a','c','h','i','n','e','\', + 'S','y','s','t','e','m','\', + 'C','u','r','r','e','n','t','C','o','n','t','r','o','l','S','e','t','\', + 'C','o','n','t','r','o','l','\', + 'S','e','s','s','i','o','n',' ','M','a','n','a','g','e','r','\', + 'E','n','v','i','r','o','n','m','e','n','t',0}; + static const WCHAR NumProcW[] = {'N','U','M','B','E','R','_','O','F','_','P','R','O','C','E','S','S','O','R','S',0}; + static const WCHAR ProcArchW[] = {'P','R','O','C','E','S','S','O','R','_','A','R','C','H','I','T','E','C','T','U','R','E',0}; + static const WCHAR x86W[] = {'x','8','6',0}; + static const WCHAR ProcIdW[] = {'P','R','O','C','E','S','S','O','R','_','I','D','E','N','T','I','F','I','E','R',0}; + static const WCHAR ProcLvlW[] = {'P','R','O','C','E','S','S','O','R','_','L','E','V','E','L',0}; + static const WCHAR ProcRevW[] = {'P','R','O','C','E','S','S','O','R','_','R','E','V','I','S','I','O','N',0}; + + HANDLE env_key; + OBJECT_ATTRIBUTES attr; + UNICODE_STRING nameW, valueW; + + char nProc[10],id[60],procLevel[10],rev[10]; + WCHAR nProcW[10],idW[60],procLevelW[10],revW[10]; + + /* Create some keys under HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Environment. + * All these environment variables are processor related and will be read during process initialization and hence + * show up in the environment of that process. + */ + + attr.Length = sizeof(attr); + attr.RootDirectory = 0; + attr.ObjectName = &nameW; + attr.Attributes = 0; + attr.SecurityDescriptor = NULL; + attr.SecurityQualityOfService = NULL; + + RtlInitUnicodeString( &nameW, EnvironW ); + if (NtCreateKey( &env_key, KEY_ALL_ACCESS, &attr, 0, NULL, 0, NULL )) return; + + sprintf( nProc, "%ld", info->dwNumberOfProcessors ); + RtlMultiByteToUnicodeN( nProcW, sizeof(nProcW), NULL, nProc, strlen(nProc)+1 ); + RtlInitUnicodeString( &valueW, NumProcW ); + NtSetValueKey( env_key, &valueW, 0, REG_SZ, nProcW, (strlenW(nProcW)+1)*sizeof(WCHAR) ); + + /* TODO: currently hardcoded x86, add different processors */ + RtlInitUnicodeString( &valueW, ProcArchW ); + NtSetValueKey( env_key, &valueW, 0, REG_SZ, x86W, (strlenW(x86W)+1) * sizeof(WCHAR) ); + + /* TODO: currently hardcoded Intel, add different processors */ + sprintf( id, "x86 Family %d Model %d Stepping %d, GenuineIntel", + info->wProcessorLevel, HIBYTE(info->wProcessorRevision), LOBYTE(info->wProcessorRevision) ); + RtlMultiByteToUnicodeN( idW, sizeof(idW), NULL, id, strlen(id)+1 ); + RtlInitUnicodeString( &valueW, ProcIdW ); + NtSetValueKey( env_key, &valueW, 0, REG_SZ, idW, (strlenW(idW)+1)*sizeof(WCHAR) ); + + sprintf( procLevel, "%d", info->wProcessorLevel ); + RtlMultiByteToUnicodeN( procLevelW, sizeof(procLevelW), NULL, procLevel, strlen(procLevel)+1 ); + RtlInitUnicodeString( &valueW, ProcLvlW ); + NtSetValueKey( env_key, &valueW, 0, REG_SZ, procLevelW, (strlenW(procLevelW)+1)*sizeof(WCHAR) ); + + /* Properly report model/stepping */ + sprintf( rev, "%04x", info->wProcessorRevision); + RtlMultiByteToUnicodeN( revW, sizeof(revW), NULL, rev, strlen(rev)+1 ); + RtlInitUnicodeString( &valueW, ProcRevW ); + NtSetValueKey( env_key, &valueW, 0, REG_SZ, revW, (strlenW(revW)+1)*sizeof(WCHAR) ); + + NtClose( env_key ); +} + /**************************************************************************** * QueryPerformanceCounter (KERNEL32.@) * @@ -239,6 +306,10 @@ BOOL WINAPI QueryPerformanceFrequency(PL * Note that there is a hierarchy for every processor installed, so this * supports multiprocessor systems. This is done like Win95 does it, I think. * + * It creates some registry entries in the environment part: + * "\HKLM\System\CurrentControlSet\Control\Session Manager\Environment". These are + * always present. When deleted, Windows will add them again. + * * It also creates a cached flag array for IsProcessorFeaturePresent(). */ VOID WINAPI GetSystemInfo( @@ -702,7 +773,8 @@ VOID WINAPI GetSystemInfo( si->dwActiveProcessorMask, si->dwNumberOfProcessors, si->dwProcessorType, si->dwAllocationGranularity, si->wProcessorLevel, si->wProcessorRevision);
- create_registry_keys( &cachedsi ); + create_system_registry_keys( &cachedsi ); + create_env_registry_keys( &cachedsi ); }
-
Alexandre Julliard