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Small emulation speed optimization

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This commit is contained in:
Stanislav Shwartsman 2008-04-19 22:29:44 +00:00
parent c9c16ad87f
commit d9bf2b8453
4 changed files with 17 additions and 13 deletions
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6
bochs/cpu/cpu.h
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@ -1,5 +1,5 @@
/////////////////////////////////////////////////////////////////////////
// $Id: cpu.h,v 1.459 2008-04-19 13:21:21 sshwarts Exp $
// $Id: cpu.h,v 1.460 2008-04-19 22:29:43 sshwarts Exp $
/////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2001 MandrakeSoft S.A.
@ -2936,10 +2936,10 @@ public: // for now...
BX_SMF bx_bool smram_restore_state(const Bit32u *smm_saved_state);
BX_SMF int int_number(bx_segment_reg_t *seg);
BX_SMF int int_number(unsigned s);
BX_SMF void SetCR0(Bit32u val_32);
BX_SMF void SetCR0(Bit32u val_32) BX_CPP_AttrRegparmN(1);
BX_SMF void CR3_change(bx_phy_address value) BX_CPP_AttrRegparmN(1);
#if BX_CPU_LEVEL >= 4
BX_SMF bx_bool SetCR4(bx_address val_32);
BX_SMF bx_bool SetCR4(bx_address val) BX_CPP_AttrRegparmN(1);
#endif
BX_SMF void pagingCR0Changed(Bit32u oldCR0, Bit32u newCR0) BX_CPP_AttrRegparmN(2);
BX_SMF void pagingCR4Changed(Bit32u oldCR4, Bit32u newCR4) BX_CPP_AttrRegparmN(2);

14
bochs/cpu/icache.h
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@ -1,5 +1,5 @@
/////////////////////////////////////////////////////////////////////////
// $Id: icache.h,v 1.32 2008-04-05 17:51:55 sshwarts Exp $
// $Id: icache.h,v 1.33 2008-04-19 22:29:44 sshwarts Exp $
/////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2001 MandrakeSoft S.A.
@ -79,12 +79,16 @@ public:
pAddr >>= 12;
#if BX_SUPPORT_TRACE_CACHE
if ((pageWriteStampTable[pAddr] & ICacheWriteStampFetchModeMask) != ICacheWriteStampFetchModeMask) {
stopTraceExecution(); // one of the CPUs running trace from this page
// Decrement page write stamp, so iCache entries with older stamps are
// effectively invalidated.
pageWriteStampTable[pAddr]--;
stopTraceExecution(); // one of the CPUs might be running trace from this page
}
#endif
// Decrement page write stamp, so iCache entries with older stamps
// are effectively invalidated.
#else
// Decrement page write stamp, so iCache entries with older stamps are
// effectively invalidated.
pageWriteStampTable[pAddr]--;
#endif
}
BX_CPP_INLINE void resetWriteStamps(void);

6
bochs/cpu/proc_ctrl.cc
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@ -1,5 +1,5 @@
/////////////////////////////////////////////////////////////////////////
// $Id: proc_ctrl.cc,v 1.214 2008-04-18 18:32:40 sshwarts Exp $
// $Id: proc_ctrl.cc,v 1.215 2008-04-19 22:29:44 sshwarts Exp $
/////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2001 MandrakeSoft S.A.
@ -1250,7 +1250,7 @@ void BX_CPU_C::handleAlignmentCheck(void)
}
#endif
void BX_CPU_C::SetCR0(Bit32u val_32)
void BX_CPP_AttrRegparmN(1) BX_CPU_C::SetCR0(Bit32u val_32)
{
bx_bool pe = val_32 & 0x01;
bx_bool nw = (val_32 >> 29) & 0x01;
@ -1329,7 +1329,7 @@ void BX_CPU_C::SetCR0(Bit32u val_32)
}
#if BX_CPU_LEVEL >= 4
bx_bool BX_CPU_C::SetCR4(bx_address val)
bx_bool BX_CPP_AttrRegparmN(1) BX_CPU_C::SetCR4(bx_address val)
{
Bit32u oldCR4 = BX_CPU_THIS_PTR cr4.getRegister();
bx_address allowMask = 0;

4
bochs/cpu/segment_ctrl_pro.cc
View File

@ -1,5 +1,5 @@
/////////////////////////////////////////////////////////////////////////
// $Id: segment_ctrl_pro.cc,v 1.86 2008-04-19 20:00:28 sshwarts Exp $
// $Id: segment_ctrl_pro.cc,v 1.87 2008-04-19 22:29:44 sshwarts Exp $
/////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2001 MandrakeSoft S.A.
@ -264,7 +264,7 @@ void BX_CPU_C::loadSRegLMNominal(unsigned segI, unsigned selector, unsigned dpl)
}
#endif
void BX_CPU_C::validate_seg_reg(unsigned seg)
BX_CPP_INLINE void BX_CPU_C::validate_seg_reg(unsigned seg)
{
/*
FOR (seg = ES, DS, FS, GS)