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newHostVM: Made use of the new SpatialArrayReserve for the EE/R5900 recompiler. Reduces the recompiler's lookup tables from ~40mb to a mere 1-3mb.

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git-svn-id: http://pcsx2.googlecode.com/svn/branches/newHostVM@4003 96395faa-99c1-11dd-bbfe-3dabce05a288
This commit is contained in:
Jake.Stine 2010-11-06 16:25:40 +00:00
parent 7f51e8ee66
commit d6de2e3942
5 changed files with 525 additions and 468 deletions
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18
common/include/Utilities/PageFaultSource.h
View File

@ -148,6 +148,18 @@ public:
operator u8*() { return (u8*)m_baseptr; }
operator const u8*() const { return (u8*)m_baseptr; }
u8& operator[](uint idx)
{
pxAssume(idx < (m_reserved * __pagesize));
return *((u8*)m_baseptr + idx);
}
const u8& operator[](uint idx) const
{
pxAssume(idx < (m_reserved * __pagesize));
return *((u8*)m_baseptr + idx);
}
protected:
void OnPageFaultEvent( const PageFaultInfo& info, bool& handled );
@ -204,7 +216,7 @@ protected:
ScopedAlignedAlloc<u8,16> m_blockbits;
public:
SpatialArrayReserve( const wxString& name, uint defCommit = 0 );
SpatialArrayReserve( const wxString& name );
virtual void* Reserve( uint size, uptr base = 0, uptr upper_bounds = 0 );
virtual void Reset();
@ -216,14 +228,16 @@ public:
SpatialArrayReserve& SetBlockSizeInPages( uint bytes );
uint SetBlockSize( uint bytes );
operator void*() { return m_baseptr; }
operator const void*() const { return m_baseptr; }
operator u8*() { return (u8*)m_baseptr; }
operator const u8*() const { return (u8*)m_baseptr; }
using __parent::operator[];
protected:
void DoCommitAndProtect( uptr page );
uint _calcBlockBitArrayLength() const;
};

731
common/src/Utilities/VirtualMemory.cpp
View File

@ -1,358 +1,379 @@
/* PCSX2 - PS2 Emulator for PCs
* Copyright (C) 2002-2010 PCSX2 Dev Team
*
* PCSX2 is free software: you can redistribute it and/or modify it under the terms
* of the GNU Lesser General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* PCSX2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with PCSX2.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include "PrecompiledHeader.h"
#include "PageFaultSource.h"
#include "EventSource.inl"
/* PCSX2 - PS2 Emulator for PCs
* Copyright (C) 2002-2010 PCSX2 Dev Team
*
* PCSX2 is free software: you can redistribute it and/or modify it under the terms
* of the GNU Lesser General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* PCSX2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with PCSX2.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include "PrecompiledHeader.h"
#include "PageFaultSource.h"
#include "EventSource.inl"
#include "MemsetFast.inl"
#ifndef __WXMSW__
#ifndef __WXMSW__
#include <wx/thread.h>
#endif
template class EventSource< IEventListener_PageFault >;
SrcType_PageFault* Source_PageFault = NULL;
EventListener_PageFault::EventListener_PageFault()
{
pxAssume(Source_PageFault);
Source_PageFault->Add( *this );
}
EventListener_PageFault::~EventListener_PageFault() throw()
{
if (Source_PageFault)
Source_PageFault->Remove( *this );
}
void SrcType_PageFault::Dispatch( const PageFaultInfo& params )
{
m_handled = false;
_parent::Dispatch( params );
}
void SrcType_PageFault::_DispatchRaw( ListenerIterator iter, const ListenerIterator& iend, const PageFaultInfo& evt )
{
do {
(*iter)->DispatchEvent( evt, m_handled );
} while( (++iter != iend) && !m_handled );
}
// --------------------------------------------------------------------------------------
// BaseVirtualMemoryReserve (implementations)
// --------------------------------------------------------------------------------------
BaseVirtualMemoryReserve::BaseVirtualMemoryReserve( const wxString& name )
: Name( name )
{
m_commited = 0;
m_reserved = 0;
m_baseptr = NULL;
m_blocksize = __pagesize;
m_prot_mode = PageAccess_None();
}
// Parameters:
// upper_bounds - criteria that must be met for the allocation to be valid.
// If the OS refuses to allocate the memory below the specified address, the
// object will fail to initialize and an exception will be thrown.
void* BaseVirtualMemoryReserve::Reserve( uint size, uptr base, uptr upper_bounds )
{
if (!pxAssertDev( m_baseptr == NULL, "(VirtualMemoryReserve) Invalid object state; object has already been reserved." ))
return m_baseptr;
m_reserved = (size + __pagesize-4) / __pagesize;
uptr reserved_bytes = m_reserved * __pagesize;
m_baseptr = (void*)HostSys::MmapReserve(base, reserved_bytes);
if (!m_baseptr && (upper_bounds != 0 && (((uptr)m_baseptr + reserved_bytes) > upper_bounds)))
{
if (base)
{
DevCon.Warning( L"%s: address 0x%08x is unavailable; trying OS-selected address instead.", Name.c_str(), base );
// Let's try again at an OS-picked memory area, and then hope it meets needed
// boundschecking criteria below.
SafeSysMunmap( m_baseptr, reserved_bytes );
m_baseptr = HostSys::MmapReserve( 0, reserved_bytes );
}
if ((upper_bounds != 0) && (((uptr)m_baseptr + reserved_bytes) > upper_bounds))
{
SafeSysMunmap( m_baseptr, reserved_bytes );
// returns null, caller should throw an exception or handle appropriately.
}
}
if (!m_baseptr) return NULL;
DevCon.WriteLn( Color_Blue, L"%-32s @ 0x%08X -> 0x%08X [%umb]", Name.c_str(),
m_baseptr, (uptr)m_baseptr+reserved_bytes, reserved_bytes / _1mb);
return m_baseptr;
}
// Clears all committed blocks, restoring the allocation to a reserve only.
void BaseVirtualMemoryReserve::Reset()
{
if (!m_commited) return;
HostSys::MemProtect(m_baseptr, m_commited*__pagesize, PageAccess_None());
HostSys::MmapResetPtr(m_baseptr, m_commited*__pagesize);
m_commited = 0;
}
void BaseVirtualMemoryReserve::Free()
{
HostSys::Munmap((uptr)m_baseptr, m_reserved*__pagesize);
}
// If growing the array, or if shrinking the array to some point that's still *greater* than the
// committed memory range, then attempt a passive "on-the-fly" resize that maps/unmaps some portion
// of the reserve.
//
// If the above conditions are not met, or if the map/unmap fails, this method returns false.
// The caller will be responsible for manually resetting the reserve.
//
// Parameters:
// newsize - new size of the reserved buffer, in bytes.
bool BaseVirtualMemoryReserve::TryResize( uint newsize )
{
uint newPages = (newsize + __pagesize - 1) / __pagesize;
if (newPages > m_reserved)
{
uint toReservePages = newPages - m_reserved;
uint toReserveBytes = toReservePages * __pagesize;
DevCon.WriteLn( L"%-32s is being expanded by %u pages.", Name.c_str(), toReservePages);
m_baseptr = (void*)HostSys::MmapReserve((uptr)GetPtrEnd(), toReserveBytes);
if (!m_baseptr)
{
Console.Warning("%-32s could not be passively resized due to virtual memory conflict!");
Console.Indent().Warning("(attempted to map memory @ 0x%08X -> 0x%08X", m_baseptr, (uptr)m_baseptr+toReserveBytes);
}
DevCon.WriteLn( Color_Blue, L"%-32s @ 0x%08X -> 0x%08X [%umb]", Name.c_str(),
m_baseptr, (uptr)m_baseptr+toReserveBytes, toReserveBytes / _1mb);
}
else if (newPages < m_reserved)
{
if (m_commited > newsize) return false;
uint toRemovePages = m_reserved - newPages;
uint toRemoveBytes = toRemovePages * __pagesize;
DevCon.WriteLn( L"%-32s is being shrunk by %u pages.", Name.c_str(), toRemovePages);
HostSys::MmapResetPtr(GetPtrEnd(), toRemoveBytes);
DevCon.WriteLn( Color_Blue, L"%-32s @ 0x%08X -> 0x%08X [%umb]", Name.c_str(),
m_baseptr, (uptr)m_baseptr+toRemoveBytes, toRemoveBytes / _1mb);
}
return true;
}
void BaseVirtualMemoryReserve::CommitBlocks( uptr page, uint blocks )
{
const uptr blocksbytes = blocks * m_blocksize * __pagesize;
void* blockptr = (u8*)m_baseptr + (page * __pagesize);
// Depending on the operating system, this call could fail if the system is low on either
// physical ram or virtual memory.
if (!HostSys::MmapCommitPtr(blockptr, blocksbytes, m_prot_mode))
{
throw Exception::OutOfMemory(Name)
.SetDiagMsg(pxsFmt("An additional %u blocks @ 0x%08x were requested, but could not be committed!", blocks, blockptr));
}
u8* init = (u8*)blockptr;
u8* endpos = init + blocksbytes;
for( ; init<endpos; init += m_blocksize*__pagesize )
OnCommittedBlock(init);
m_commited += m_blocksize * blocks;
}
void BaseVirtualMemoryReserve::OnPageFaultEvent(const PageFaultInfo& info, bool& handled)
{
sptr offset = (info.addr - (uptr)m_baseptr) / __pagesize;
if ((offset < 0) || ((uptr)offset >= m_reserved)) return;
// Linux Note! the SIGNAL handler is very limited in what it can do, and not only can't
// we let the C++ exception try to unwind the stack, we may not be able to log it either.
// (but we might as well try -- kernel/posix rules says not to do it, but Linux kernel
// implementations seem to support it).
// Note also that logging the exception and/or issuing an assertion dialog are always
// possible if the thread handling the signal is not the main thread.
// In windows we can let exceptions bubble out of the page fault handler. SEH will more
// or less handle them in a semi-expected way, and might even avoid a GPF long enough
// for the system to log the error or something.
#ifndef __WXMSW__
try {
#endif
DoCommitAndProtect( offset );
handled = true;
#ifndef __WXMSW__
}
catch (Exception::BaseException& ex)
{
handled = false;
if (!wxThread::IsMain())
{
pxFailRel( ex.FormatDiagnosticMessage() );
}
else
{
wxTrap();
}
}
#endif
}
// --------------------------------------------------------------------------------------
// SpatialArrayReserve (implementations)
// --------------------------------------------------------------------------------------
uint SpatialArrayReserve::_calcBlockBitArrayLength() const
{
return (m_numblocks + 127) / 128;
}
void* SpatialArrayReserve::Reserve( uint size, uptr base, uptr upper_bounds )
{
return __parent::Reserve( size, base, upper_bounds );
}
// Resets/clears the spatial array, reducing the memory commit pool overhead to zero (0).
void SpatialArrayReserve::Reset()
{
__parent::Reset();
memzero_sse_a(m_blockbits.GetPtr(), _calcBlockBitArrayLength());
}
// Important! The number of blocks of the array will be altered when using this method.
//
bool SpatialArrayReserve::TryResize( uint newsize )
{
uint newpages = (newsize + __pagesize - 1) / __pagesize;
// find the last allocated block -- we cannot be allowed to resize any smaller than that:
uint i;
for (i=m_numblocks-1; i; --i)
{
uint bit = i & 7;
if (m_blockbits[i / 8] & bit) break;
}
uint pages_in_use = i * m_blocksize;
if (newpages < pages_in_use) return false;
if (!__parent::TryResize( newsize )) return false;
// On success, we must re-calibrate the internal blockbits array.
m_blockbits.Resize( (m_numblocks + 7) / 8 );
return true;
}
// This method allows the programmer to specify the block size of the array as a function
// of its reserved size. This function *must* be called *after* the reserve has been made,
// and *before* the array contents have been accessed.
//
// Calls to this function prior to initializing the reserve or after the reserve has been
// accessed (resulting in committed blocks) will be ignored -- and will generate an assertion
// in debug builds.
SpatialArrayReserve& SpatialArrayReserve::SetBlockCount( uint blocks )
{
pxAssumeDev( !m_commited, "Invalid object state: SetBlockCount must be called prior to reserved memory accesses." );
// Calculate such that the last block extends past the end of the array, if necessary.
m_numblocks = blocks;
m_blocksize = (m_reserved + m_numblocks-1) / m_numblocks;
return *this;
}
// Sets the block size via pages (pages are defined by the __pagesize global, which is
// typically 4096).
//
// This method must be called prior to accessing or modifying the array contents. Calls to
// a modified buffer will be ignored (and generate an assertion in dev/debug modes).
SpatialArrayReserve& SpatialArrayReserve::SetBlockSizeInPages( uint pages )
{
if (pxAssertDev(m_commited, "Invalid object state: Block size can only be changed prior to accessing or modifying the reserved buffer contents."))
{
m_blocksize = pages;
m_numblocks = (m_reserved + m_blocksize - 1) / m_blocksize;
m_blockbits.Alloc( _calcBlockBitArrayLength() );
}
return *this;
}
// SetBlockSize assigns the block size of the spatial array, in bytes. The actual size of
// each block will be rounded up to the nearest page size. The resulting size is returned.
//
// This method must be called prior to accessing or modifying the array contents. Calls to
// a modified buffer will be ignored (and generate an assertion in dev/debug modes).
uint SpatialArrayReserve::SetBlockSize( uint bytes )
{
SetBlockSizeInPages((bytes + __pagesize - 1) / __pagesize);
return m_blocksize * __pagesize;
}
void SpatialArrayReserve::OnCommittedBlock( void* block )
{
// Determine the block position in the blockbits array, flag it, and be done!
uptr relative = (uptr)m_baseptr - (uptr)block;
pxAssume( (relative % (m_blocksize * __pagesize)) == 0);
relative /= m_blocksize * __pagesize;
m_blockbits[relative/32] |= 1 << (relative & 31);
m_commited += m_blocksize;
}
// --------------------------------------------------------------------------------------
// PageProtectionMode (implementations)
// --------------------------------------------------------------------------------------
wxString PageProtectionMode::ToString() const
{
wxString modeStr;
if (m_read) modeStr += L"Read";
if (m_write) modeStr += L"Write";
if (m_exec) modeStr += L"Exec";
if (modeStr.IsEmpty()) return L"NoAccess";
if (modeStr.Length() <= 5) modeStr += L"Only";
return modeStr;
}
template class EventSource< IEventListener_PageFault >;
SrcType_PageFault* Source_PageFault = NULL;
EventListener_PageFault::EventListener_PageFault()
{
pxAssume(Source_PageFault);
Source_PageFault->Add( *this );
}
EventListener_PageFault::~EventListener_PageFault() throw()
{
if (Source_PageFault)
Source_PageFault->Remove( *this );
}
void SrcType_PageFault::Dispatch( const PageFaultInfo& params )
{
m_handled = false;
_parent::Dispatch( params );
}
void SrcType_PageFault::_DispatchRaw( ListenerIterator iter, const ListenerIterator& iend, const PageFaultInfo& evt )
{
do {
(*iter)->DispatchEvent( evt, m_handled );
} while( (++iter != iend) && !m_handled );
}
// --------------------------------------------------------------------------------------
// BaseVirtualMemoryReserve (implementations)
// --------------------------------------------------------------------------------------
BaseVirtualMemoryReserve::BaseVirtualMemoryReserve( const wxString& name )
: Name( name )
{
m_commited = 0;
m_reserved = 0;
m_baseptr = NULL;
m_blocksize = __pagesize;
m_prot_mode = PageAccess_None();
}
// Parameters:
// upper_bounds - criteria that must be met for the allocation to be valid.
// If the OS refuses to allocate the memory below the specified address, the
// object will fail to initialize and an exception will be thrown.
void* BaseVirtualMemoryReserve::Reserve( uint size, uptr base, uptr upper_bounds )
{
if (!pxAssertDev( m_baseptr == NULL, "(VirtualMemoryReserve) Invalid object state; object has already been reserved." ))
return m_baseptr;
m_reserved = (size + __pagesize-4) / __pagesize;
uptr reserved_bytes = m_reserved * __pagesize;
m_baseptr = (void*)HostSys::MmapReserve(base, reserved_bytes);
if (!m_baseptr && (upper_bounds != 0 && (((uptr)m_baseptr + reserved_bytes) > upper_bounds)))
{
if (base)
{
DevCon.Warning( L"%s: address 0x%08x is unavailable; trying OS-selected address instead.", Name.c_str(), base );
// Let's try again at an OS-picked memory area, and then hope it meets needed
// boundschecking criteria below.
SafeSysMunmap( m_baseptr, reserved_bytes );
m_baseptr = HostSys::MmapReserve( 0, reserved_bytes );
}
if ((upper_bounds != 0) && (((uptr)m_baseptr + reserved_bytes) > upper_bounds))
{
SafeSysMunmap( m_baseptr, reserved_bytes );
// returns null, caller should throw an exception or handle appropriately.
}
}
if (!m_baseptr) return NULL;
DevCon.WriteLn( Color_Blue, L"%-32s @ 0x%08X -> 0x%08X [%umb]", Name.c_str(),
m_baseptr, (uptr)m_baseptr+reserved_bytes, reserved_bytes / _1mb);
return m_baseptr;
}
// Clears all committed blocks, restoring the allocation to a reserve only.
void BaseVirtualMemoryReserve::Reset()
{
if (!m_commited) return;
HostSys::MemProtect(m_baseptr, m_commited*__pagesize, PageAccess_None());
HostSys::MmapResetPtr(m_baseptr, m_commited*__pagesize);
m_commited = 0;
}
void BaseVirtualMemoryReserve::Free()
{
HostSys::Munmap((uptr)m_baseptr, m_reserved*__pagesize);
}
// If growing the array, or if shrinking the array to some point that's still *greater* than the
// committed memory range, then attempt a passive "on-the-fly" resize that maps/unmaps some portion
// of the reserve.
//
// If the above conditions are not met, or if the map/unmap fails, this method returns false.
// The caller will be responsible for manually resetting the reserve.
//
// Parameters:
// newsize - new size of the reserved buffer, in bytes.
bool BaseVirtualMemoryReserve::TryResize( uint newsize )
{
uint newPages = (newsize + __pagesize - 1) / __pagesize;
if (newPages > m_reserved)
{
uint toReservePages = newPages - m_reserved;
uint toReserveBytes = toReservePages * __pagesize;
DevCon.WriteLn( L"%-32s is being expanded by %u pages.", Name.c_str(), toReservePages);
m_baseptr = (void*)HostSys::MmapReserve((uptr)GetPtrEnd(), toReserveBytes);
if (!m_baseptr)
{
Console.Warning("%-32s could not be passively resized due to virtual memory conflict!");
Console.Indent().Warning("(attempted to map memory @ 0x%08X -> 0x%08X", m_baseptr, (uptr)m_baseptr+toReserveBytes);
}
DevCon.WriteLn( Color_Blue, L"%-32s @ 0x%08X -> 0x%08X [%umb]", Name.c_str(),
m_baseptr, (uptr)m_baseptr+toReserveBytes, toReserveBytes / _1mb);
}
else if (newPages < m_reserved)
{
if (m_commited > newsize) return false;
uint toRemovePages = m_reserved - newPages;
uint toRemoveBytes = toRemovePages * __pagesize;
DevCon.WriteLn( L"%-32s is being shrunk by %u pages.", Name.c_str(), toRemovePages);
HostSys::MmapResetPtr(GetPtrEnd(), toRemoveBytes);
DevCon.WriteLn( Color_Blue, L"%-32s @ 0x%08X -> 0x%08X [%umb]", Name.c_str(),
m_baseptr, (uptr)m_baseptr+toRemoveBytes, toRemoveBytes / _1mb);
}
return true;
}
void BaseVirtualMemoryReserve::CommitBlocks( uptr page, uint blocks )
{
const uptr blocksbytes = blocks * m_blocksize * __pagesize;
void* blockptr = (u8*)m_baseptr + (page * __pagesize);
// Depending on the operating system, this call could fail if the system is low on either
// physical ram or virtual memory.
if (!HostSys::MmapCommitPtr(blockptr, blocksbytes, m_prot_mode))
{
throw Exception::OutOfMemory(Name)
.SetDiagMsg(pxsFmt("An additional %u blocks @ 0x%08x were requested, but could not be committed!", blocks, blockptr));
}
u8* init = (u8*)blockptr;
u8* endpos = init + blocksbytes;
for( ; init<endpos; init += m_blocksize*__pagesize )
OnCommittedBlock(init);
m_commited += m_blocksize * blocks;
}
void BaseVirtualMemoryReserve::OnPageFaultEvent(const PageFaultInfo& info, bool& handled)
{
sptr offset = (info.addr - (uptr)m_baseptr) / __pagesize;
if ((offset < 0) || ((uptr)offset >= m_reserved)) return;
// Linux Note! the SIGNAL handler is very limited in what it can do, and not only can't
// we let the C++ exception try to unwind the stack, we may not be able to log it either.
// (but we might as well try -- kernel/posix rules says not to do it, but Linux kernel
// implementations seem to support it).
// Note also that logging the exception and/or issuing an assertion dialog are always
// possible if the thread handling the signal is not the main thread.
// In windows we can let exceptions bubble out of the page fault handler. SEH will more
// or less handle them in a semi-expected way, and might even avoid a GPF long enough
// for the system to log the error or something.
#ifndef __WXMSW__
try {
#endif
DoCommitAndProtect( offset );
handled = true;
#ifndef __WXMSW__
}
catch (Exception::BaseException& ex)
{
handled = false;
if (!wxThread::IsMain())
{
pxFailRel( ex.FormatDiagnosticMessage() );
}
else
{
wxTrap();
}
}
#endif
}
// --------------------------------------------------------------------------------------
// SpatialArrayReserve (implementations)
// --------------------------------------------------------------------------------------
SpatialArrayReserve::SpatialArrayReserve( const wxString& name ) :
__parent( name )
{
m_prot_mode = PageAccess_ReadWrite();
}
uint SpatialArrayReserve::_calcBlockBitArrayLength() const
{
// divide by 8 (rounded up) to compress 8 bits into each byte.
// mask off lower bits (rounded up) to allow for 128-bit alignment and SSE operations.
return (((m_numblocks + 7) / 8) + 15) & ~15;
}
void* SpatialArrayReserve::Reserve( uint size, uptr base, uptr upper_bounds )
{
void* addr = __parent::Reserve( size, base, upper_bounds );
if (!addr) return NULL;
if (m_blocksize) SetBlockSizeInPages( m_blocksize );
m_blockbits.Alloc( _calcBlockBitArrayLength() );
return addr;
}
// Resets/clears the spatial array, reducing the memory commit pool overhead to zero (0).
void SpatialArrayReserve::Reset()
{
__parent::Reset();
memzero_sse_a(m_blockbits.GetPtr(), _calcBlockBitArrayLength());
}
// Important! The number of blocks of the array will be altered when using this method.
//
bool SpatialArrayReserve::TryResize( uint newsize )
{
uint newpages = (newsize + __pagesize - 1) / __pagesize;
// find the last allocated block -- we cannot be allowed to resize any smaller than that:
uint i;
for (i=m_numblocks-1; i; --i)
{
uint bit = i & 7;
if (m_blockbits[i / 8] & bit) break;
}
uint pages_in_use = i * m_blocksize;
if (newpages < pages_in_use) return false;
if (!__parent::TryResize( newsize )) return false;
// On success, we must re-calibrate the internal blockbits array.
m_blockbits.Resize( (m_numblocks + 7) / 8 );
return true;
}
// This method allows the programmer to specify the block size of the array as a function
// of its reserved size. This function *must* be called *after* the reserve has been made,
// and *before* the array contents have been accessed.
//
// Calls to this function prior to initializing the reserve or after the reserve has been
// accessed (resulting in committed blocks) will be ignored -- and will generate an assertion
// in debug builds.
SpatialArrayReserve& SpatialArrayReserve::SetBlockCount( uint blocks )
{
pxAssumeDev( !m_commited, "Invalid object state: SetBlockCount must be called prior to reserved memory accesses." );
// Calculate such that the last block extends past the end of the array, if necessary.
m_numblocks = blocks;
m_blocksize = (m_reserved + m_numblocks-1) / m_numblocks;
return *this;
}
// Sets the block size via pages (pages are defined by the __pagesize global, which is
// typically 4096).
//
// This method must be called prior to accessing or modifying the array contents. Calls to
// a modified buffer will be ignored (and generate an assertion in dev/debug modes).
SpatialArrayReserve& SpatialArrayReserve::SetBlockSizeInPages( uint pages )
{
if (pxAssertDev(!m_commited, "Invalid object state: Block size can only be changed prior to accessing or modifying the reserved buffer contents."))
{
m_blocksize = pages;
m_numblocks = (m_reserved + m_blocksize - 1) / m_blocksize;
m_blockbits.Alloc( _calcBlockBitArrayLength() );
}
return *this;
}
// SetBlockSize assigns the block size of the spatial array, in bytes. The actual size of
// each block will be rounded up to the nearest page size. The resulting size is returned.
//
// This method must be called prior to accessing or modifying the array contents. Calls to
// a modified buffer will be ignored (and generate an assertion in dev/debug modes).
uint SpatialArrayReserve::SetBlockSize( uint bytes )
{
SetBlockSizeInPages((bytes + __pagesize - 1) / __pagesize);
return m_blocksize * __pagesize;
}
void SpatialArrayReserve::DoCommitAndProtect( uptr page )
{
// Spatial Arrays work on block granularity only:
// Round the page into a block, and commit the whole block that the page belongs to.
uint block = page / m_blocksize;
CommitBlocks(block*m_blocksize, 1);
}
void SpatialArrayReserve::OnCommittedBlock( void* block )
{
// Determine the block position in the blockbits array, flag it, and be done!
uptr relative = (uptr)block - (uptr)m_baseptr;
relative /= m_blocksize * __pagesize;
m_blockbits[relative/32] |= 1 << (relative & 31);
}
// --------------------------------------------------------------------------------------
// PageProtectionMode (implementations)
// --------------------------------------------------------------------------------------
wxString PageProtectionMode::ToString() const
{
wxString modeStr;
if (m_read) modeStr += L"Read";
if (m_write) modeStr += L"Write";
if (m_exec) modeStr += L"Exec";
if (modeStr.IsEmpty()) return L"NoAccess";
if (modeStr.Length() <= 5) modeStr += L"Only";
return modeStr;
}

1
pcsx2/windows/VCprojects/pcsx2_2008.vcproj
View File

@ -70,6 +70,7 @@
Name="VCLinkerTool"
AdditionalDependencies="zlib.lib rpcrt4.lib"
OutputFile="$(OutDir)\$(ProjectName)-dbg.exe"
RandomizedBaseAddress="1"
/>
<Tool
Name="VCALinkTool"

6
pcsx2/x86/BaseblockEx.h
View File

@ -81,9 +81,6 @@ public:
__fi int Index (u32 startpc) const
{
int idx = LastIndex(startpc);
// fixme: I changed the parenthesis to be unambiguous, but this needs to be checked to see if ((x or y or z) and w)
// is correct, or ((x or y) or (z and w)), or some other variation. --arcum42
// Mixing &&'s and ||'s is not actually ambiguous; &&'s take precedence. Reverted to old behavior -- ChickenLiver.
if ((idx == -1) || (startpc < blocks[idx].startpc) ||
((blocks[idx].size) && (startpc >= blocks[idx].startpc + blocks[idx].size * 4)))
return -1;
@ -139,9 +136,10 @@ public:
static void recLUT_SetPage(uptr reclut[0x10000], uptr hwlut[0x10000],
BASEBLOCK *mapbase, uint pagebase, uint pageidx, uint mappage)
{
// this value is in 64k pages!
uint page = pagebase + pageidx;
jASSUME( page < 0x10000 );
pxAssume( page < 0x10000 );
reclut[page] = (uptr)&mapbase[(mappage - page) << 14];
if (hwlut)
hwlut[page] = 0u - (pagebase << 16);

237
pcsx2/x86/ix86-32/iR5900-32.cpp
View File

@ -36,14 +36,18 @@
# include <csetjmp>
#endif
#include "Utilities/MemsetFast.inl"
using namespace x86Emitter;
using namespace R5900;
#define PC_GETBLOCK(x) PC_GETBLOCK_(x, recLUT)
u32 maxrecmem = 0;
static __aligned16 uptr recLUT[0x10000];
static __aligned16 uptr hwLUT[0x10000];
static __aligned16 uptr recLUT[_64kb];
static __aligned16 uptr hwLUT[_64kb];
#define HWADDR(mem) (hwLUT[mem >> 16] + (mem))
@ -56,6 +60,24 @@ __aligned16 GPR_reg64 g_cpuConstRegs[32] = {0};
u32 g_cpuHasConstReg = 0, g_cpuFlushedConstReg = 0;
bool g_cpuFlushedPC, g_cpuFlushedCode, g_recompilingDelaySlot, g_maySignalException;
// --------------------------------------------------------------------------------------
// R5900LutReserve_RAM
// --------------------------------------------------------------------------------------
class R5900LutReserve_RAM : public SpatialArrayReserve
{
typedef SpatialArrayReserve __parent;
public:
R5900LutReserve_RAM( const wxString& name )
: __parent( name )
{
}
protected:
void OnCommittedBlock( void* block );
};
////////////////////////////////////////////////////////////////
// Static Private Variables - R5900 Dynarec
@ -63,13 +85,16 @@ bool g_cpuFlushedPC, g_cpuFlushedCode, g_recompilingDelaySlot, g_maySignalExcept
static const int RECCONSTBUF_SIZE = 16384 * 2; // 64 bit consts in 32 bit units
static RecompiledCodeReserve* recMem = NULL;
static SpatialArrayReserve* recRAMCopy = NULL;
static R5900LutReserve_RAM* recLutReserve_RAM = NULL;
static uptr m_ConfiguredCacheReserve = 64;
static u32* recConstBuf = NULL; // 64-bit pseudo-immediates
static BASEBLOCK *recRAM = NULL; // and the ptr to the blocks here
static BASEBLOCK *recROM = NULL; // and here
static BASEBLOCK *recROM1 = NULL; // also here
static u32 *recRAMCopy = NULL;
static BaseBlocks recBlocks;
static u8* recPtr = NULL;
static u32 *recConstBufPtr = NULL;
@ -534,12 +559,17 @@ static void _DynGen_Dispatchers()
//
static void __fastcall dyna_block_discard(u32 start,u32 sz);
// memory allocation handle for the entire BASEBLOCK and stack allocations.
static u8* m_recBlockAlloc = NULL;
static __ri void ClearRecLUT(BASEBLOCK* base, int memsize)
{
for (int i = 0; i < memsize/4; i++)
base[i].SetFnptr((uptr)JITCompile);
}
static const uint m_recBlockAllocSize =
(((Ps2MemSize::MainRam + Ps2MemSize::Rom + Ps2MemSize::Rom1) / 4) * sizeof(BASEBLOCK))
+ RECCONSTBUF_SIZE * sizeof(u32) + Ps2MemSize::MainRam;
void R5900LutReserve_RAM::OnCommittedBlock( void* block )
{
__parent::OnCommittedBlock(block);
ClearRecLUT((BASEBLOCK*)block, __pagesize * m_blocksize);
}
static void recThrowHardwareDeficiency( const wxChar* extFail )
{
@ -599,83 +629,26 @@ static void recReserve()
static void recAlloc()
{
// Goal: Allocate BASEBLOCKs for every possible branch target in PS2 memory.
// Any 4-byte aligned address makes a valid branch target as per MIPS design (all
// instructions are always 4 bytes long).
if( m_recBlockAlloc == NULL )
m_recBlockAlloc = (u8*) _aligned_malloc( m_recBlockAllocSize, 4096 );
if( m_recBlockAlloc == NULL )
throw Exception::OutOfMemory( L"R5900-32 BASEBLOCK tables" );
u8* curpos = m_recBlockAlloc;
recRAM = (BASEBLOCK*)curpos; curpos += (Ps2MemSize::MainRam / 4) * sizeof(BASEBLOCK);
recROM = (BASEBLOCK*)curpos; curpos += (Ps2MemSize::Rom / 4) * sizeof(BASEBLOCK);
recROM1 = (BASEBLOCK*)curpos; curpos += (Ps2MemSize::Rom1 / 4) * sizeof(BASEBLOCK);
recConstBuf = (u32*)curpos; curpos += RECCONSTBUF_SIZE * sizeof(u32);
recRAMCopy = (u32*)curpos;
if( s_pInstCache == NULL )
if (!recRAMCopy)
{
s_nInstCacheSize = 128;
s_pInstCache = (EEINST*)malloc( sizeof(EEINST) * s_nInstCacheSize );
recRAMCopy = new SpatialArrayReserve( L"R5900 RAM copy" );
recRAMCopy->SetBlockSize(_16kb);
recRAMCopy->Reserve(Ps2MemSize::MainRam);
}
if (!recRAM)
{
recLutReserve_RAM = new R5900LutReserve_RAM( L"R5900 RAM LUT" );
recLutReserve_RAM->SetBlockSize(_16kb);
recLutReserve_RAM->Reserve(Ps2MemSize::MainRam + Ps2MemSize::Rom + Ps2MemSize::Rom1);
}
if( s_pInstCache == NULL )
throw Exception::OutOfMemory( L"R5900-32 InstCache" );
BASEBLOCK* basepos = (BASEBLOCK*)recLutReserve_RAM->GetPtr();
recRAM = basepos; basepos += (Ps2MemSize::MainRam / 4);
recROM = basepos; basepos += (Ps2MemSize::Rom / 4);
recROM1 = basepos; basepos += (Ps2MemSize::Rom1 / 4);
// No errors.. Proceed with initialization:
_DynGen_Dispatchers();
x86FpuState = FPU_STATE;
}
struct ManualPageTracking
{
u16 page;
u8 counter;
};
static __aligned16 u16 manual_page[Ps2MemSize::MainRam >> 12];
static __aligned16 u8 manual_counter[Ps2MemSize::MainRam >> 12];
static u32 eeRecIsReset = false;
static u32 eeRecNeedsReset = false;
static bool eeRecIsActive = false;
static bool eeCpuExecuting = false;
////////////////////////////////////////////////////
static void recResetRaw()
{
recAlloc();
if( AtomicExchange( eeRecIsReset, true ) ) return;
AtomicExchange( eeRecNeedsReset, false );
Console.WriteLn( Color_StrongBlack, "EE/iR5900-32 Recompiler Reset" );
recMem->Reset();
maxrecmem = 0;
memzero_ptr<m_recBlockAllocSize - Ps2MemSize::MainRam>( m_recBlockAlloc ); // Excluding the 32mb ram copy
memzero_ptr<RECCONSTBUF_SIZE * sizeof(u32)>(recConstBuf);
ClearRecLUT((BASEBLOCK*)m_recBlockAlloc,
(((Ps2MemSize::MainRam + Ps2MemSize::Rom + Ps2MemSize::Rom1) / 4)));
if( s_pInstCache )
memset( s_pInstCache, 0, sizeof(EEINST)*s_nInstCacheSize );
recBlocks.Reset();
mmap_ResetBlockTracking();
#ifdef _MSC_VER
__asm emms;
#else
__asm__("emms");
#endif
pxAssert(recLutReserve_RAM->GetPtrEnd() == (u8*)basepos);
for (int i = 0; i < 0x10000; i++)
recLUT_SetPage(recLUT, 0, 0, 0, i, 0);
@ -706,6 +679,65 @@ static void recResetRaw()
recLUT_SetPage(recLUT, hwLUT, recROM1, 0xa000, i, i - 0x1e00);
}
if( recConstBuf == NULL )
recConstBuf = (u32*) _aligned_malloc( RECCONSTBUF_SIZE * sizeof(*recConstBuf), 16 );
if( recConstBuf == NULL )
throw Exception::OutOfMemory( L"R5900-32 SIMD Constants Buffer" );
if( s_pInstCache == NULL )
{
s_nInstCacheSize = 128;
s_pInstCache = (EEINST*)malloc( sizeof(EEINST) * s_nInstCacheSize );
}
if( s_pInstCache == NULL )
throw Exception::OutOfMemory( L"R5900-32 InstCache" );
// No errors.. Proceed with initialization:
_DynGen_Dispatchers();
x86FpuState = FPU_STATE;
}
struct ManualPageTracking
{
u16 page;
u8 counter;
};
static __aligned16 u16 manual_page[Ps2MemSize::MainRam >> 12];
static __aligned16 u8 manual_counter[Ps2MemSize::MainRam >> 12];
static u32 eeRecIsReset = false;
static u32 eeRecNeedsReset = false;
static bool eeCpuExecuting = false;
////////////////////////////////////////////////////
static void recResetRaw()
{
recAlloc();
if( AtomicExchange( eeRecIsReset, true ) ) return;
AtomicExchange( eeRecNeedsReset, false );
Console.WriteLn( Color_StrongBlack, "EE/iR5900-32 Recompiler Reset" );
recMem->Reset();
recRAMCopy->Reset();
recLutReserve_RAM->Reset();
maxrecmem = 0;
memzero_ptr<RECCONSTBUF_SIZE * sizeof(recConstBuf)>(recConstBuf);
if( s_pInstCache )
memset( s_pInstCache, 0, sizeof(EEINST)*s_nInstCacheSize );
recBlocks.Reset();
mmap_ResetBlockTracking();
x86SetPtr(*recMem);
recPtr = *recMem;
@ -718,20 +750,21 @@ static void recResetRaw()
static void recShutdown()
{
safe_delete( recMem );
safe_delete( recRAMCopy );
safe_delete( recLutReserve_RAM );
recBlocks.Reset();
safe_aligned_free( m_recBlockAlloc );
recRAM = recROM = recROM1 = NULL;
recConstBuf = NULL;
recRAMCopy = NULL;
safe_aligned_free( recConstBuf );
safe_free( s_pInstCache );
s_nInstCacheSize = 0;
}
static void recResetEE()
{
if (eeRecIsActive || eeCpuExecuting)
if (eeCpuExecuting)
{
AtomicExchange( eeRecNeedsReset, true );
return;
@ -848,18 +881,8 @@ void R5900::Dynarec::OpcodeImpl::recBREAK( void )
//branch = 2;
}
// Clears the recLUT table so that all blocks are mapped to the JIT recompiler by default.
static __ri void ClearRecLUT(BASEBLOCK* base, int count)
{
for (int i = 0; i < count; i++)
base[i].SetFnptr((uptr)JITCompile);
}
void recClear(u32 addr, u32 size)
{
BASEBLOCKEX* pexblock;
BASEBLOCK* pblock;
// necessary since recompiler doesn't call femms/emms
#ifdef _MSC_VER
__asm emms;
@ -878,14 +901,14 @@ void recClear(u32 addr, u32 size)
u32 lowerextent = (u32)-1, upperextent = 0, ceiling = (u32)-1;
pexblock = recBlocks[blockidx + 1];
BASEBLOCKEX* pexblock = recBlocks[blockidx + 1];
if (pexblock)
ceiling = pexblock->startpc;
while (pexblock = recBlocks[blockidx]) {
u32 blockstart = pexblock->startpc;
u32 blockend = pexblock->startpc + pexblock->size * 4;
pblock = PC_GETBLOCK(blockstart);
BASEBLOCK* pblock = PC_GETBLOCK(blockstart);
if (pblock == s_pCurBlock) {
blockidx--;
@ -921,7 +944,7 @@ void recClear(u32 addr, u32 size)
}
if (upperextent > lowerextent)
ClearRecLUT(PC_GETBLOCK(lowerextent), (upperextent - lowerextent) / 4);
ClearRecLUT(PC_GETBLOCK(lowerextent), upperextent - lowerextent);
}
@ -1396,14 +1419,12 @@ static void __fastcall recRecompile( const u32 startpc )
if (eeRecNeedsReset) recResetRaw();
// From here on we need to have EE recompile resets disabled, since to reset
// the rec while we're writing to it typically leads to GPF.
//ScopedBool active_scope(eeRecIsActive);
xSetPtr( recPtr );
recPtr = xGetAlignedCallTarget();
if (0x8000d618 == startpc)
DbgCon.WriteLn("Compiling block @ 0x%08x", startpc);
s_pCurBlock = PC_GETBLOCK(startpc);
pxAssert(s_pCurBlock->GetFnptr() == (uptr)JITCompile
@ -1813,10 +1834,12 @@ StartRecomp:
continue;
if (oldBlock->startpc >= HWADDR(pc))
continue;
if (oldBlock->startpc + oldBlock->size * 4 <= HWADDR(startpc))
if ((oldBlock->startpc + oldBlock->size * 4) <= HWADDR(startpc))
break;
if (memcmp(&recRAMCopy[oldBlock->startpc / 4], PSM(oldBlock->startpc),
oldBlock->size * 4)) {
if (memcmp(&(*recRAMCopy)[oldBlock->startpc / 4], PSM(oldBlock->startpc),
oldBlock->size * 4))
{
recClear(startpc, (pc - startpc) / 4);
s_pCurBlockEx = recBlocks.Get(HWADDR(startpc));
pxAssert(s_pCurBlockEx->startpc == HWADDR(startpc));
@ -1824,7 +1847,7 @@ StartRecomp:
}
}
memcpy_fast(&recRAMCopy[HWADDR(startpc) / 4], PSM(startpc), pc - startpc);
memcpy_fast(&(*recRAMCopy)[HWADDR(startpc) / 4], PSM(startpc), pc - startpc);
}
s_pCurBlock->SetFnptr((uptr)recPtr);