mirrors/Bochs
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Small icache optimization

Browse Source
This commit is contained in:
Alexander Krisak 2005-12-13 14:18:34 +00:00
parent 5f339a5fd8
commit 99fae60a0e
1 changed files with 7 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
bochs/cpu/icache.h
View File

@ -1,5 +1,5 @@
/////////////////////////////////////////////////////////////////////////
// $Id: icache.h,v 1.9 2005-10-18 18:07:52 sshwarts Exp $
// $Id: icache.h,v 1.10 2005-12-13 14:18:34 akrisak Exp $
/////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2001 MandrakeSoft S.A.
@ -143,20 +143,20 @@ public:
};
BX_CPP_INLINE void bxICache_c::flushICacheEntries(void)
{
for (unsigned i=0; i<BxICacheEntries; i++) {
entry[i].writeStamp = ICacheWriteStampInvalid;
{ bxICacheEntry_c* e = entry;
for (unsigned i=0; i<BxICacheEntries; i++, e++) {
e->writeStamp = ICacheWriteStampInvalid;
}
}
BX_CPP_INLINE void bxICache_c::purgeICacheEntries(void)
{
{ bxICacheEntry_c* e = entry;
// Since the write stamps may overflow if we always simply decrese them,
// this function has to be called often enough that we can reset them
// (without invalidating the cache).
for (unsigned i=0;i<BxICacheEntries;i++)
for (unsigned i=0;i<BxICacheEntries;i++, e++)
{
bxICacheEntry_c *e = &entry[i];
Bit32u pageWriteStamp = pageWriteStampTable.getPageWriteStamp(e->pAddr);
if (e->writeStamp != pageWriteStamp)
e->writeStamp = ICacheWriteStampInvalid; // invalidate entry