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scan less icache entries when doing SMC flush

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This commit is contained in:
Stanislav Shwartsman 2011-01-23 17:21:34 +00:00
parent f1821fa3bf
commit e20cbb9bf4
1 changed files with 8 additions and 4 deletions
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12
bochs/cpu/icache.h
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@ -1,5 +1,5 @@
/////////////////////////////////////////////////////////////////////////
// $Id: icache.h,v 1.60 2011-01-23 15:54:54 sshwarts Exp $
// $Id: icache.h,v 1.61 2011-01-23 17:21:34 sshwarts Exp $
/////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2007-2011 Stanislav Shwartsman
@ -226,9 +226,13 @@ BX_CPP_INLINE void bxICache_c::handleSMC(bx_phy_address pAddr, Bit32u mask)
bxICacheEntry_c *e = get_entry(pAddr, 0);
for (unsigned index=0; index < 4096; index++, e++) {
if (pAddr == LPFOf(e->pAddr) && (e->traceMask & mask) != 0) {
e->pAddr = BX_ICACHE_INVALID_PHY_ADDRESS;
for (unsigned n=0; n < 32; n++) {
Bit32u line_mask = (1 << n);
if (line_mask > mask) break;
for (unsigned index=0; index < 128; index++, e++) {
if (pAddr == LPFOf(e->pAddr) && (e->traceMask & mask) != 0) {
e->pAddr = BX_ICACHE_INVALID_PHY_ADDRESS;
}
}
}
}