Fix x64->x86 transition on AMD processors

matpow2 · Nov 29, 2018 · 7583eec · 7583eec
1 parent 3890428
commit 7583eec
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Showing 3 changed files with 440 additions and 301 deletions.
diff --git a/terraingen/tgen2/tools/createwrappers.py b/terraingen/tgen2/tools/createwrappers.py
@@ -42,6 +42,12 @@
     a:
     mov    dword [rsp + 4], 0x23
     add    dword [rsp], b - a
+
+    ; needed for AMD processors on Windows, for some reason
+    push rax
+    mov ax, 0x2b
+    mov ss, ax
+    pop rax
 use32
     retf
     b:
@@ -81,6 +87,12 @@
     c:
     mov dword [rsp+4], 0x23
     add dword [rsp], d - c
+
+    ; needed for AMD processors on Windows, for some reason
+    push rax
+    mov ax, 0x2b
+    mov ss, ax
+    pop rax
 use32
     retf
     d: