+/*
+ * This file is part of the Palacios Virtual Machine Monitor developed
+ * by the V3VEE Project with funding from the United States National
+ * Science Foundation and the Department of Energy.
+ *
+ * The V3VEE Project is a joint project between Northwestern University
+ * and the University of New Mexico. You can find out more at
+ * http://www.v3vee.org
+ *
+ * Copyright (c) 2008, Jack Lange <jarusl@cs.northwestern.edu>
+ * Copyright (c) 2008, The V3VEE Project <http://www.v3vee.org>
+ * All rights reserved.
+ *
+ * Author: Jack Lange <jarusl@cs.northwestern.edu>
+ *
+ * This is free software. You are permitted to use,
+ * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
+ */
+
#ifndef __VMM_UTIL_H
#define __VMM_UTIL_H
-#include <palacios/vmm_types.h>
+#ifdef __V3VEE__
-
-#ifndef PAGE_SIZE
-#define PAGE_SIZE 4096
-#endif
+#include <palacios/vmm_types.h>
typedef union reg_ex {
#define GET_LOW_32(x) (*((uint_t*)(&(x))))
-#define GET_HIGH_32(x) (*((uint_t*)(((char*)(&(x)))+4)))
-
+#define GET_HIGH_32(x) (*((uint_t*)(((uchar_t*)(&(x)))+4)))
-void PrintTraceHex(unsigned char x);
-void PrintTraceMemDump(unsigned char * start, int n);
+void PrintTraceHex(uchar_t x);
+void PrintTraceLL(ullong_t num);
+void PrintTraceMemDump(uchar_t * start, int n);
#ifdef __V3_64BIT__
+#define do_divll do_div
-# define do_div(n,base) ({ \
+
+#define do_div(n,base) ({ \
uint32_t __base = (base); \
uint32_t __rem; \
__rem = ((uint64_t)(n)) % __base; \
* 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; \
-})
+#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; \
+ })
+
+
+
+/* This divides two 64bit unsigned ints
+ * The previous version only allows 32 bit bases(?)...
+ *
+ * NOTE: This absolutely sucks... there has to be a better way....
+ */
+#define do_divll(n, base) ({ \
+ ullong_t __rem = 0; \
+ ullong_t __num = 0; \
+ while (n > base) { \
+ __num++; \
+ n -= base; \
+ } \
+ __rem = n; \
+ n = __num; \
+ __rem; \
+ })
#endif
+#endif // ! __V3VEE__
+
#endif