1 files changed, 59 insertions, 0 deletions
diff --git a/Source/Kernel/TaskManager/V86/V86Thread.class.h b/Source/Kernel/TaskManager/V86/V86Thread.class.h
new file mode 100644
index 0000000..b14670b
--- /dev/null
+++ b/Source/Kernel/TaskManager/V86/V86Thread.class.h
@@ -0,0 +1,59 @@
+#ifndef DEF_V86THREAD_CLASS_H
+#define DEF_V86THREAD_CLASS_H
+
+#include <TaskManager/Thread.class.h>
+
+typedef u32int FARPTR;
+#define MK_FP(seg, off) ((FARPTR)(((u32int)(seg) << 16) | (u16int) (off)))
+#define FP_SEG(fp) (((FARPTR)fp) >> 16)
+#define FP_OFF(fp) (((FARPTR)fp) & 0xFFFF)
+#define FP_TO_LINEAR(seg, off) ((void*)((((u16int)(seg)) << 4) + ((u16int)(off))))
+inline FARPTR LINEAR_TO_FP(void* ptr) {
+	u32int seg, off;
+	off = ((size_t) ptr) & 0xF;
+	seg = ((size_t) ptr - ((size_t) ptr & 0xF)) / 16;
+	return MK_FP(seg, off);
+}
+
+struct v86_retval_t {
+	registers_t regs;
+	bool finished;
+};
+
+struct v86_function_t {
+	u16int size;
+	u8int data[];
+};
+
+#define V86_STACKSIZE 1024
+
+// (in segments)
+#define V86_ALLOC_START 0x1000
+#define V86_ALLOC_END 0x9000
+
+#define EFLAGS_IF 0x200
+#define EFLAGS_VM 0x20000
+#define VALID_FLAGS 0xDFF
+
+class V86Thread : public Thread {
+	private:
+	V86Thread();
+	V86Thread(V86Thread&);
+
+	v86_retval_t* m_ret;
+
+	bool m_if;	//V86 IF flag
+
+	static u16int allocSeg;
+	static u16int alloc(u16int length);	//Returns a segment number
+
+	static void runV86(V86Thread* t, u32int data, u32int ss, u32int cs);
+	
+	public:
+	V86Thread(v86_function_t* entry, v86_retval_t* ret, u32int data);
+
+	bool handleV86GPF(registers_t *regs);
+	void handleException(registers_t *regs, int no);	
+};
+
+#endif