X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Finclude%2Fgeekos%2Fvmm_stubs.h;h=396e614ea82edcbb2a3a18151e3e0dac60122115;hb=d172c2b8434d7731d757b9fac20d59f562ff9df0;hp=d6a84413cd5dd749385950f9715c2f54b1b11dfa;hpb=ace8f0532fa5650c6642a3a7174f3aa19b09095a;p=palacios.git

diff --git a/palacios/include/geekos/vmm_stubs.h b/palacios/include/geekos/vmm_stubs.h
index d6a8441..396e614 100644
--- a/palacios/include/geekos/vmm_stubs.h
+++ b/palacios/include/geekos/vmm_stubs.h
@@ -6,6 +6,8 @@
 #include <geekos/malloc.h>
 
 
+struct guest_info;
+
 void * Allocate_VMM_Pages(int num_pages);
 void Free_VMM_Page(void * page);
 
@@ -14,6 +16,66 @@ void VMM_Free(void * addr);
 
 void * Identity(void *addr);
 
-void Hook_IRQ(int irq, void (*handler)());
+
+int hook_irq_stub(struct guest_info * info, int irq);
+int ack_irq(int irq);
+
+
+unsigned int get_cpu_khz();
+
+void Init_Stubs();
+
+
+
+
+
+
+
+
+
+#if 0
+
+# define do_div(n,base) ({					\
+	uint32_t __base = (base);				\
+	uint32_t __rem;						\
+	__rem = ((uint64_t)(n)) % __base;			\
+	(n) = ((uint64_t)(n)) / __base;				\
+	__rem;							\
+ })
+
+#else
+
+/*
+ * do_div() is NOT a C function. It wants to return
+ * two values (the quotient and the remainder), but
+ * since that doesn't work very well in C, what it
+ * does is:
+ *
+ * - modifies the 64-bit dividend _in_place_
+ * - returns the 32-bit remainder
+ *
+ * This ends up being the most efficient "calling
+ * convention" on x86.
+ */
+#define do_div(n,base) ({				     \
+      unsigned long __upper, __low, __high, __mod, __base;   \
+      __base = (base);					     \
+      asm("":"=a" (__low), "=d" (__high):"A" (n));	     \
+      __upper = __high;					     \
+      if (__high) {					     \
+	__upper = __high % (__base);			     \
+	__high = __high / (__base);			     \
+      }									\
+      asm("divl %2":"=a" (__low), "=d" (__mod):"rm" (__base), "0" (__low), "1" (__upper)); \
+      asm("":"=A" (n):"a" (__low),"d" (__high));			\
+      __mod;								\
+    })
+
+#endif
+
+
+
+
+
 
 #endif