[Bug 46092] New: Multiple ARM64 apps from Windows 10 SDK (10.0.17763.x) want 'kernel32.GetSystemInfo' support for 'PROCESSOR_ARCHITECTURE_ARM64' ('Unknown processor architecture c')

https://bugs.winehq.org/show_bug.cgi?id=46092

Bug ID: 46092
           Summary: Multiple ARM64 apps from Windows 10 SDK (10.0.17763.x)
                    want 'kernel32.GetSystemInfo' support for
                    'PROCESSOR_ARCHITECTURE_ARM64' ('Unknown processor
                    architecture c')
           Product: Wine
           Version: 3.19
          Hardware: aarch64
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: kernel32
          Assignee: [e-mail]
          Reporter: [e-mail]
      Distribution: ---

Hello folks,

as it says.

Encountered while playing with some 64-bit ARM apps from Win10 SDK (running in
qemuarm64 machine). Not a blocker but still might be useful for more complete
aarch64 Wine support.

--- snip ---
win10sdk-install/Windows Kits/10/Debuggers/arm64$
WINEDEBUG=+seh,+loaddll,+process WINEDLLOVERRIDES=dbgeng=n wine64 ./cdb.exe
...
0009:trace:loaddll:load_native_dll Loaded
L"Z:\home\focht\projects\wine\win10sdk-install\Windows
Kits\10\Debuggers\arm64\cdb.exe" at 0x140000000: native
...
0029:fixme:ver:GetFileVersionInfoSizeExW flags 0x2 ignored

Microsoft (R) Windows Debugger Version 10.0.17763.1 ARM64
Copyright (c) Microsoft Corporation. All rights reserved.

0029:fixme:ver:GetFileVersionInfoExW flags 0x2 ignored
0009:fixme:reg:GetSystemInfo Unknown processor architecture c
0009:fixme:reg:GetSystemInfo Unknown processor architecture c
0029:trace:loaddll:free_modref Unloaded module
L"C:\windows\system32\api-ms-win-core-version-l1-1-0.dll" : builtin
Failed to open \.\com1
Kernel debugger failed initialization, Win32 error 0n2
    "File not found."
--- snip ---

0xC = 12 -> PROCESSOR_ARCHITECTURE_ARM64

Wine source:

https://source.winehq.org/git/wine.git/blob/HEAD:/dlls/kernel32/cpu.c#l104

--- snip ---
 104 VOID WINAPI GetSystemInfo(
 105         LPSYSTEM_INFO si        /* [out] Destination for system
information, may not be NULL */)
 106 {
 107     NTSTATUS                 nts;
 108     SYSTEM_CPU_INFORMATION   sci;
 109 
 110     TRACE("si=0x%p\n", si);
 111 
 112     if ((nts = NtQuerySystemInformation( SystemCpuInformation, &sci,
sizeof(sci), NULL )) != STATUS_SUCCESS)
 113     {
 114         SetLastError(RtlNtStatusToDosError(nts));
 115         return;
 116     }
...
 153     case PROCESSOR_ARCHITECTURE_ARM:
 154         switch (sci.Level)
 155         {
 156         case 4:  si->dwProcessorType = PROCESSOR_ARM_7TDMI;     break;
 157         default: si->dwProcessorType = PROCESSOR_ARM920;
 158         }
 159         break;
 160     default:
 161         FIXME("Unknown processor architecture %x\n", sci.Architecture);
 162         si->dwProcessorType = 0;
 163     }
 164     si->dwAllocationGranularity     = system_info.AllocationGranularity;
 165     si->wProcessorLevel             = sci.Level;
 166     si->wProcessorRevision          = sci.Revision;
 167 }
--- snip ---

$ sha1sum 17763.1.180914-1434.rs5_release_WindowsSDK.iso 
e702b5e5f2597d01eaee1eb1be7a34b0da0b6211 
17763.1.180914-1434.rs5_release_WindowsSDK.iso

$ du -sh 17763.1.180914-1434.rs5_release_WindowsSDK.iso 
815M    17763.1.180914-1434.rs5_release_WindowsSDK.iso

$ wine64 --version
wine-3.19-117-g4852130c82

Regards