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According to AMD docs INVLD/WBINVLD instructions not required to flush TLBs

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This commit is contained in:
Stanislav Shwartsman 2007-12-14 10:15:12 +00:00
parent c3e5c71000
commit 48d815427c
1 changed files with 3 additions and 7 deletions
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10
bochs/cpu/proc_ctrl.cc
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@ -1,5 +1,5 @@
///////////////////////////////////////////////////////////////////////// /////////////////////////////////////////////////////////////////////////
// $Id: proc_ctrl.cc,v 1.186 2007-12-13 21:41:32 sshwarts Exp $ // $Id: proc_ctrl.cc,v 1.187 2007-12-14 10:15:12 sshwarts Exp $
///////////////////////////////////////////////////////////////////////// /////////////////////////////////////////////////////////////////////////
// //
// Copyright (C) 2001 MandrakeSoft S.A. // Copyright (C) 2001 MandrakeSoft S.A.
@ -143,9 +143,7 @@ void BX_CPU_C::INVD(bxInstruction_c *i)
exception(BX_GP_EXCEPTION, 0, 0); exception(BX_GP_EXCEPTION, 0, 0);
} }
BX_DEBUG(("INVD: Flush caches and TLB !")); BX_DEBUG(("INVD: Flush internal caches !"));
BX_INSTR_CACHE_CNTRL(BX_CPU_ID, BX_INSTR_INVD);
TLB_flush(1); // 1 = Flush Global entries too
#if BX_SUPPORT_ICACHE #if BX_SUPPORT_ICACHE
flushICaches(); flushICaches();
#endif #endif
@ -166,9 +164,7 @@ void BX_CPU_C::WBINVD(bxInstruction_c *i)
exception(BX_GP_EXCEPTION, 0, 0); exception(BX_GP_EXCEPTION, 0, 0);
} }
BX_DEBUG(("WBINVD: Flush caches and TLB !")); BX_DEBUG(("WBINVD: Flush internal caches !"));
BX_INSTR_CACHE_CNTRL(BX_CPU_ID, BX_INSTR_WBINVD);
TLB_flush(1); // 1 = Flush Global entries too
#if BX_SUPPORT_ICACHE #if BX_SUPPORT_ICACHE
flushICaches(); flushICaches();
#endif #endif