Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Get ARM64 TARGET information from the registry on Windows #5082

Merged
merged 1 commit into from
Jan 18, 2025
+25 −0
Merged

Get ARM64 TARGET information from the registry on Windows #5082

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
25 changes: 25 additions & 0 deletions cpuid_arm64.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -43,6 +43,9 @@ size_t length64=sizeof(value64);
#ifndef HWCAP_SVE
#define HWCAP_SVE (1 << 22)
#endif
#if (defined OS_WINDOWS)
#include <winreg.h>
#endif

#define get_cpu_ftr(id, var) ({ \
__asm__ __volatile__ ("mrs %0, "#id : "=r" (var)); \
Expand Down Expand Up @@ -385,6 +388,28 @@ int detect(void)
if (value64 == 3660830781) return CPU_VORTEX; //A15/M2
if (value64 == 2271604202) return CPU_VORTEX; //A16/M3
if (value64 == 1867590060) return CPU_VORTEX; //M4
#else
#ifdef OS_WINDOWS
HKEY reghandle;
HKEY hklm = HKEY_LOCAL_MACHINE;
WCHAR valstring[512];
PVOID pvalstring=valstring;
DWORD size=sizeof (valstring);
DWORD type=RRF_RT_ANY;
DWORD flags=0;
LPCWSTR subkey= L"HARDWARE\\DESCRIPTION\\System\\CentralProcessor\\0";
LPCWSTR field=L"ProcessorNameString";
LONG errcode=RegOpenKeyEx(HKEY_LOCAL_MACHINE,TEXT("Hardware\\Description\\System\\CentralProcessor\\0"), 0, KEY_READ, &reghandle);
if (errcode != NO_ERROR) wprintf(L"Could not open registry key for proc0: %x\n",errcode);
errcode=RegQueryValueEx(reghandle, "ProcessorNameString", NULL,NULL ,pvalstring,&size);
if (errcode != ERROR_SUCCESS) wprintf(L"Error reading cpuname from registry:%x\n",errcode);
//wprintf(stderr,L"%s\n",(PWSTR)valstring);
RegCloseKey(reghandle);
if (strstr(valstring, "Snapdragon(R) X Elite")) return CPU_NEOVERSEN1;
if (strstr(valstring, "Ampere(R) Altra")) return CPU_NEOVERSEN1;
if (strstr(valstring, "Snapdragon (TM) 8cx Gen 3")) return CPU_CORTEXX1;
if (strstr(valstring, "Snapdragon Compute Platform")) return CPU_CORTEXX1;
#endif
#endif
return CPU_ARMV8;
#endif
Expand Down
Loading