X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Finclude%2Fpalacios%2Fvmm_util.h;h=caa6a16953ec195ba8cbf535574c18534755fecf;hb=e70e95962c26832628d586e07f9cd1a2e1852d72;hp=95a0c8e3ad11437f1b79b0b76aa3bb22c9e4a1b7;hpb=d8fc6aa4bc2a5d9cec50923e9d2bd30f867dd50a;p=palacios.git diff --git a/palacios/include/palacios/vmm_util.h b/palacios/include/palacios/vmm_util.h index 95a0c8e..caa6a16 100644 --- a/palacios/include/palacios/vmm_util.h +++ b/palacios/include/palacios/vmm_util.h @@ -1,6 +1,27 @@ +/* + * 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 + * Copyright (c) 2008, The V3VEE Project + * All rights reserved. + * + * Author: Jack Lange + * + * 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 +#ifdef __V3VEE__ + #include @@ -38,7 +59,7 @@ struct VMM_GPRs { void PrintTraceHex(unsigned char x); - +void PrintTraceLL(ullong_t num); void PrintTraceMemDump(unsigned char * start, int n); @@ -97,19 +118,38 @@ void PrintTraceMemDump(unsigned char * start, int n); * 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 @@ -117,4 +157,6 @@ void PrintTraceMemDump(unsigned char * start, int n); +#endif // ! __V3VEE__ + #endif