1 files changed, 21 insertions, 0 deletions
diff --git a/library/fibers/initializestack_32.cpp b/library/fibers/initializestack_32.cpp
new file mode 100644
index 0000000..d387460
--- /dev/null
+++ b/library/fibers/initializestack_32.cpp
@@ -0,0 +1,21 @@
+#include <stdlib.h>
+
+void initializeStack(void *data, int size, void (*entry)(), void **stackPointer)
+{
+    void* stackBottom = (char*)data + size;
+    // align to 16 byte
+    stackBottom = (void*)((size_t)stackBottom & ~0xF);
+    
+    void **p = (void**)stackBottom;
+
+    *(--p) = 0; // align
+    *(--p) = (void*)entry; // rip
+    *(--p) = stackBottom; // ebp
+    *(--p) = 0; // ebx
+    *(--p) = 0; // esi
+    *(--p) = 0; // edi
+    *(--p) = (void*)0x00001f80; // SIMD floating point control default
+    *(--p) = (void*)0x0000033f; // floating point control default
+    
+    *stackPointer = p;
+}