diff options
Diffstat (limited to 'src/vm/util.cpp')
| -rw-r--r-- | src/vm/util.cpp | 40 |
1 files changed, 17 insertions, 23 deletions
diff --git a/src/vm/util.cpp b/src/vm/util.cpp index 2cb3460122..2cf6f7f31c 100644 --- a/src/vm/util.cpp +++ b/src/vm/util.cpp @@ -1950,17 +1950,18 @@ size_t GetLogicalProcessorCacheSizeFromOS() // Crack the information. Iterate through all the SLPI array entries for all processors in system. // Will return the greatest of all the processor cache sizes or zero - - size_t last_cache_size = 0; - - for (DWORD i=0; i < nEntries; i++) { - if (pslpi[i].Relationship == RelationCache) + size_t last_cache_size = 0; + + for (DWORD i=0; i < nEntries; i++) { - last_cache_size = max(last_cache_size, pslpi[i].Cache.Size); - } - } - cache_size = last_cache_size; + if (pslpi[i].Relationship == RelationCache) + { + last_cache_size = max(last_cache_size, pslpi[i].Cache.Size); + } + } + cache_size = last_cache_size; + } Exit: if(pslpi) @@ -1991,6 +1992,9 @@ DWORD GetLogicalCpuCountFromOS() DWORD nEntries = 0; + DWORD prevcount = 0; + DWORD count = 1; + // Try to use GetLogicalProcessorInformation API and get a valid pointer to the SLPI array if successful. Returns NULL // if API not present or on failure. SYSTEM_LOGICAL_PROCESSOR_INFORMATION *pslpi = IsGLPISupported(&nEntries) ; @@ -2001,9 +2005,6 @@ DWORD GetLogicalCpuCountFromOS() goto lDone; } - DWORD prevcount = 0; - DWORD count = 1; - for (DWORD j = 0; j < nEntries; j++) { if (pslpi[j].Relationship == RelationProcessorCore) @@ -2069,16 +2070,9 @@ lDone: #define CACHE_PARTITION_BITS 0x003FF000 // number of cache Physical Partitions is returned in EBX[21:12] (10 bits) using cpuid function 4 #define CACHE_LINESIZE_BITS 0x00000FFF // Linesize returned in EBX[11:0] (12 bits) using cpuid function 4 -#if defined(_TARGET_X86_) - // these are defined in cgenx86.cpp - extern DWORD getcpuid(DWORD arg1, unsigned char result[16]); - extern DWORD getextcpuid(DWORD arg1, DWORD arg2, unsigned char result[16]); -#elif defined(_TARGET_AMD64_) - // these are defined in src\VM\AMD64\asmhelpers.asm - extern "C" DWORD __stdcall getcpuid(DWORD arg1, unsigned char result[16]); - extern "C" DWORD __stdcall getextcpuid(DWORD arg1, DWORD arg2, unsigned char result[16]); -#endif - +// these are defined in src\VM\AMD64\asmhelpers.asm / cgenx86.cpp +extern "C" DWORD __stdcall getcpuid(DWORD arg1, unsigned char result[16]); +extern "C" DWORD __stdcall getextcpuid(DWORD arg1, DWORD arg2, unsigned char result[16]); // The following function uses a deterministic mechanism for enumerating/calculating the details of the cache hierarychy at runtime // by using deterministic cache parameter leafs on Prescott and higher processors. @@ -2557,7 +2551,7 @@ extern BOOL EEHeapFreeInProcessHeap(DWORD dwFlags, LPVOID lpMem); extern void ShutdownRuntimeWithoutExiting(int exitCode); extern BOOL IsRuntimeStarted(DWORD *pdwStartupFlags); -void * GetCLRFunction(LPCSTR FunctionName) +void * __stdcall GetCLRFunction(LPCSTR FunctionName) { void* func = NULL; |