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Merge pull request #544 from cxd4/dedotated_wam_4_mah_serv0r 

cleaner RdramChanged algorithm (not biased to only 4 vs. 8 MB)
This commit is contained in:
zilmar 2015-07-27 14:05:16 +10:00
parent 764567c8df 51975fb00d
commit 1a481c520a
1 changed files with 25 additions and 12 deletions
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37
Source/Project64/N64 System/Mips/Memory Virtual Mem.cpp
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@ -5372,25 +5372,38 @@ void CMipsMemoryVM::TLB_Unmaped( DWORD Vaddr, DWORD Len )
void CMipsMemoryVM::RdramChanged ( CMipsMemoryVM * _this )
{
if (_this->m_AllocatedRdramSize == g_Settings->LoadDword(Game_RDRamSize))
const size_t new_size = g_Settings -> LoadDword(Game_RDRamSize);
const size_t old_size = _this -> m_AllocatedRdramSize;
if (old_size == new_size)
{
return;
}
if (_this->m_AllocatedRdramSize == 0x400000)
{
if (VirtualAlloc(_this->m_RDRAM + 0x400000, 0x400000, MEM_COMMIT, PAGE_READWRITE)==NULL)
{
WriteTrace(TraceError,__FUNCTION__ ": failed to allocate extended memory");
g_Notify->FatalError(GS(MSG_MEM_ALLOC_ERROR));
}
_this->m_AllocatedRdramSize = 0x800000;
if (old_size > new_size)
{
VirtualFree(
_this->m_RDRAM + new_size,
old_size - new_size,
MEM_DECOMMIT
);
}
else
{
VirtualFree(_this->m_RDRAM + 0x400000, 0x400000,MEM_DECOMMIT);
_this->m_AllocatedRdramSize = 0x400000;
}
void * result;
result = VirtualAlloc(
_this->m_RDRAM + old_size,
new_size - old_size,
MEM_COMMIT,
PAGE_READWRITE
);
if (result == NULL)
{
WriteTrace(TraceError, __FUNCTION__": failed to allocate extended memory");
g_Notify -> FatalError(GS(MSG_MEM_ALLOC_ERROR));
}
}
_this->m_AllocatedRdramSize = new_size;
}
void CMipsMemoryVM::ChangeSpStatus()