Add Microsoft Windows dwOemId union or just its `wProcessorArchitec…

…ture` field of various structures, describing general processor architecture

windows/windows_processor_architecture.ksy

@@ -0,0 +1,84 @@
+meta:
+  id: windows_processor_architecture
+  title: Microsoft Windows `dwOemId` union or just its `wProcessorArchitecture` field of various structures, describing general processor architecture
+  license: Unlicese
+  endian: le
+doc-ref:
+  - https://learn.microsoft.com/en-us/previous-versions/ms942639(v=msdn.10)
+  - https://github.com/reactos/reactos/blob/fe777bb52f67921b26bf5791b06a5c712f5be3f6/sdk/include/ndk/ketypes.h#L105-L115
+  - https://github.com/reactos/reactos/blob/4363e74ddcb26a528c2723ab0afe5af3443bde6f/sdk/include/xdk/winnt_old.h#L448-L458
+  - https://github.com/mirror/mingw-w64/blob/0f2264e7b8fedbe225921367e82aeb97ddfed46b/mingw-w64-headers/include/winnt.h#L5472-L5488
+doc: |
+  Stores the info about Windows processor archiectures. By default takes 4 bytes with the second `reserved` field`. Limit to 2 bytes if you don't need that.
+-orig-id: dwOemId
+seq:
+  - id: arch
+    -orig-id: wProcessorArchitecture
+    type: u2
+    enum: arch
+  - id: reserved
+    -orig-id: wReserved
+    type: u2
+    if: with_reserved
+instances:
+  with_reserved:
+    value: _io.size - _io.pos >= 2
+  oem_id:
+    -orig-id: dwOemId
+    value: (reserved << 16) | arch.to_i
+    if: with_reserved
+enums:
+  arch:
+    0:
+      id: intel
+      -orig-id: PROCESSOR_ARCHITECTURE_INTEL
+      doc: x86
+    1:
+      id: mips
+      -orig-id: PROCESSOR_ARCHITECTURE_MIPS
+    2:
+      id: alpha
+      -orig-id: PROCESSOR_ARCHITECTURE_ALPHA
+    3:
+      id: ppc
+      -orig-id: PROCESSOR_ARCHITECTURE_PPC
+    4:
+      id: superh
+      -orig-id: PROCESSOR_ARCHITECTURE_SHX
+      doc: undocumented
+    5:
+      id: arm32
+      -orig-id: PROCESSOR_ARCHITECTURE_ARM
+    6:
+      id: ia64
+      -orig-id: PROCESSOR_ARCHITECTURE_IA64
+    7:
+      id: alpha64
+      -orig-id: PROCESSOR_ARCHITECTURE_ALPHA64
+      doc: undocumented
+    8:
+      id: msil
+      -orig-id: PROCESSOR_ARCHITECTURE_MSIL
+      doc: intermediate language for CLR, including OptIL
+    9:
+      id: x86_64
+      -orig-id: PROCESSOR_ARCHITECTURE_AMD64
+    10:
+      id: ia32_on_win64
+      -orig-id: PROCESSOR_ARCHITECTURE_IA32_ON_WIN64
+    11:
+      id: neutral
+      -orig-id: PROCESSOR_ARCHITECTURE_NEUTRAL
+    12:
+      id: aarch64
+      -orig-id: PROCESSOR_ARCHITECTURE_ARM64
+      doc: ARM64
+    13:
+      id: arm32_on_win64
+      -orig-id: PROCESSOR_ARCHITECTURE_ARM32_ON_WIN64
+    14:
+      id: ia32_on_arm64
+      -orig-id: PROCESSOR_ARCHITECTURE_IA32_ON_ARM64
+    0xFFFF:
+      id: unknown
+      -orig-id: PROCESSOR_ARCHITECTURE_UNKNOWN