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make fastmem work again

This commit is contained in:
RSDuck 2020-11-13 15:20:53 +01:00
parent fbc7648d1a
commit d697f9e0d2
2 changed files with 81 additions and 51 deletions
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108
src/ARMJIT_Memory.cpp
View File

@ -329,14 +329,16 @@ struct Mapping
void Unmap(int region)
{
u32 dtcmStart = NDS::ARM9->DTCMBase;
u32 dtcmSize = NDS::ARM9->DTCMSize;
bool skipDTCM = Num == 0 && region != memregion_DTCM;
u8* statuses = Num == 0 ? MappingStatus9 : MappingStatus7;
u32 offset = 0;
while (offset < Size)
{
if (skipDTCM && Addr + offset == NDS::ARM9->DTCMBase)
if (skipDTCM && Addr + offset == dtcmStart)
{
offset += NDS::ARM9->DTCMSize;
offset += dtcmSize;
}
else
{
@ -344,7 +346,7 @@ struct Mapping
u8 status = statuses[(Addr + offset) >> 12];
while (statuses[(Addr + offset) >> 12] == status
&& offset < Size
&& (!skipDTCM || Addr + offset != NDS::ARM9->DTCMBase))
&& (!skipDTCM || Addr + offset != dtcmStart))
{
assert(statuses[(Addr + offset) >> 12] != memstate_Unmapped);
statuses[(Addr + offset) >> 12] = memstate_Unmapped;
@ -362,9 +364,33 @@ struct Mapping
#endif
}
}
#ifndef __SWITCH__
bool succeded = UnmapFromRange(Addr, Num, OffsetsPerRegion[region] + LocalOffset, Size);
assert(succeded);
#ifndef _WIN32
u32 dtcmEnd = dtcmStart + dtcmSize;
if (Num == 0
&& dtcmEnd >= Addr
&& dtcmStart < Addr + Size)
{
bool success;
if (dtcmStart > Addr)
{
success = UnmapFromRange(Addr, 0, OffsetsPerRegion[region] + LocalOffset, dtcmStart - Addr);
assert(success);
}
if (dtcmEnd < Addr + Size)
{
u32 offset = dtcmStart - Addr + dtcmSize;
success = UnmapFromRange(dtcmEnd, 0, OffsetsPerRegion[region] + LocalOffset + offset, Size - offset);
assert(success);
}
}
else
#endif
{
bool succeded = UnmapFromRange(Addr, Num, OffsetsPerRegion[region] + LocalOffset, Size);
assert(succeded);
}
#endif
}
};
@ -433,10 +459,10 @@ void RemapDTCM(u32 newBase, u32 newSize)
printf("unmapping %d %x %x %x %x\n", region, mapping.Addr, mapping.Size, mapping.Num, mapping.LocalOffset);
bool oldOverlap = NDS::ARM9->DTCMSize > 0 && !(oldDTCMBase >= end || oldDTCBEnd <= start);
bool newOverlap = newSize > 0 && !(newBase >= end || newEnd <= start);
bool overlap = (NDS::ARM9->DTCMSize > 0 && oldDTCMBase < end && oldDTCBEnd > start)
|| (newSize > 0 && newBase < end && newEnd > start);
if (mapping.Num == 0 && (oldOverlap || newOverlap))
if (mapping.Num == 0 && overlap)
{
mapping.Unmap(region);
Mappings[region].Remove(i);
@ -460,8 +486,8 @@ void RemapNWRAM(int num)
for (int i = 0; i < Mappings[memregion_SharedWRAM].Length;)
{
Mapping& mapping = Mappings[memregion_SharedWRAM][i];
if (!(DSi::NWRAMStart[mapping.Num][num] >= mapping.Addr + mapping.Size
|| DSi::NWRAMEnd[mapping.Num][num] < mapping.Addr))
if (DSi::NWRAMStart[mapping.Num][num] < mapping.Addr + mapping.Size
&& DSi::NWRAMEnd[mapping.Num][num] > mapping.Addr)
{
mapping.Unmap(memregion_SharedWRAM);
Mappings[memregion_SharedWRAM].Remove(i);
@ -484,7 +510,7 @@ void RemapSWRAM()
for (int i = 0; i < Mappings[memregion_WRAM7].Length;)
{
Mapping& mapping = Mappings[memregion_WRAM7][i];
if (mapping.Addr + mapping.Size < 0x03800000)
if (mapping.Addr + mapping.Size <= 0x03800000)
{
mapping.Unmap(memregion_WRAM7);
Mappings[memregion_WRAM7].Remove(i);
@ -516,41 +542,53 @@ bool MapAtAddress(u32 addr)
return false;
u8* states = num == 0 ? MappingStatus9 : MappingStatus7;
printf("trying to create mapping %x, %x %x %d %d\n", mirrorStart, mirrorSize, memoryOffset, region, num);
printf("mapping mirror %x, %x %x %d %d\n", mirrorStart, mirrorSize, memoryOffset, region, num);
bool isExecutable = ARMJIT::CodeMemRegions[region];
u32 dtcmStart = NDS::ARM9->DTCMBase;
u32 dtcmSize = NDS::ARM9->DTCMSize;
u32 dtcmEnd = dtcmStart + dtcmSize;
#ifndef __SWITCH__
if (num == 0)
#ifndef _WIN32
if (num == 0
&& dtcmEnd >= mirrorStart
&& dtcmStart < mirrorStart + mirrorSize)
{
// if a DTCM mapping is mapped before the mapping below it
// we unmap it, so it won't just be overriden
for (int i = 0; i < Mappings[memregion_DTCM].Length; i++)
bool success;
if (dtcmStart > mirrorStart)
{
Mapping& mapping = Mappings[memregion_DTCM][i];
if (mirrorStart < mapping.Addr + mapping.Size && mirrorStart + mirrorSize >= mapping.Addr)
{
mapping.Unmap(memregion_DTCM);
}
success = MapIntoRange(mirrorStart, 0, OffsetsPerRegion[region] + memoryOffset, dtcmStart - mirrorStart);
assert(success);
}
if (dtcmEnd < mirrorStart + mirrorSize)
{
u32 offset = dtcmStart - mirrorStart + dtcmSize;
success = MapIntoRange(dtcmEnd, 0, OffsetsPerRegion[region] + memoryOffset + offset, mirrorSize - offset);
assert(success);
}
Mappings[memregion_DTCM].Clear();
}
bool succeded = MapIntoRange(mirrorStart, num, OffsetsPerRegion[region] + memoryOffset, mirrorSize);
assert(succeded);
else
#endif
{
bool succeded = MapIntoRange(mirrorStart, num, OffsetsPerRegion[region] + memoryOffset, mirrorSize);
assert(succeded);
}
#endif
ARMJIT::AddressRange* range = ARMJIT::CodeMemRegions[region] + memoryOffset / 512;
// this overcomplicated piece of code basically just finds whole pieces of code memory
// which can be mapped
// which can be mapped/protected
u32 offset = 0;
bool skipDTCM = num == 0 && region != memregion_DTCM;
while (offset < mirrorSize)
{
if (skipDTCM && mirrorStart + offset == NDS::ARM9->DTCMBase)
if (skipDTCM && mirrorStart + offset == dtcmStart)
{
SetCodeProtectionRange(NDS::ARM9->DTCMBase, NDS::ARM9->DTCMSize, 0, 0);
offset += NDS::ARM9->DTCMSize;
#ifdef _WIN32
SetCodeProtectionRange(dtcmStart, dtcmSize, 0, 0);
#endif
offset += dtcmSize;
}
else
{
@ -587,7 +625,7 @@ bool MapAtAddress(u32 addr)
Mapping mapping{mirrorStart, mirrorSize, memoryOffset, num};
Mappings[region].Add(mapping);
printf("mapped mirror at %08x-%08x\n", mirrorStart, mirrorStart + mirrorSize - 1);
//printf("mapped mirror at %08x-%08x\n", mirrorStart, mirrorStart + mirrorSize - 1);
return true;
}
@ -745,15 +783,7 @@ bool IsFastmemCompatible(int region)
|| region == memregion_NewSharedWRAM_C)
return false;
#endif
if (region == memregion_DTCM
|| region == memregion_MainRAM
|| region == memregion_NewSharedWRAM_A
|| region == memregion_NewSharedWRAM_B
|| region == memregion_NewSharedWRAM_C
|| region == memregion_SharedWRAM)
return false;
//return OffsetsPerRegion[region] != UINT32_MAX;
return false;
return OffsetsPerRegion[region] != UINT32_MAX;
}
bool GetMirrorLocation(int region, u32 num, u32 addr, u32& memoryOffset, u32& mirrorStart, u32& mirrorSize)

24
src/DSi.cpp
View File

@ -542,15 +542,15 @@ void MapNWRAM_A(u32 num, u8 val)
return;
}
#ifdef JIT_ENABLED
ARMJIT_Memory::RemapNWRAM(0);
#endif
int mbkn = 0, mbks = 8*num;
u8 oldval = (MBK[0][mbkn] >> mbks) & 0xFF;
if (oldval == val) return;
#ifdef JIT_ENABLED
ARMJIT_Memory::RemapNWRAM(0);
#endif
MBK[0][mbkn] &= ~(0xFF << mbks);
MBK[0][mbkn] |= (val << mbks);
MBK[1][mbkn] = MBK[0][mbkn];
@ -577,15 +577,15 @@ void MapNWRAM_B(u32 num, u8 val)
return;
}
#ifdef JIT_ENABLED
ARMJIT_Memory::RemapNWRAM(1);
#endif
int mbkn = 1+(num>>2), mbks = 8*(num&3);
u8 oldval = (MBK[0][mbkn] >> mbks) & 0xFF;
if (oldval == val) return;
#ifdef JIT_ENABLED
ARMJIT_Memory::RemapNWRAM(1);
#endif
MBK[0][mbkn] &= ~(0xFF << mbks);
MBK[0][mbkn] |= (val << mbks);
MBK[1][mbkn] = MBK[0][mbkn];
@ -616,15 +616,15 @@ void MapNWRAM_C(u32 num, u8 val)
return;
}
#ifdef JIT_ENABLED
ARMJIT_Memory::RemapNWRAM(2);
#endif
int mbkn = 3+(num>>2), mbks = 8*(num&3);
u8 oldval = (MBK[0][mbkn] >> mbks) & 0xFF;
if (oldval == val) return;
#ifdef JIT_ENABLED
ARMJIT_Memory::RemapNWRAM(2);
#endif
MBK[0][mbkn] &= ~(0xFF << mbks);
MBK[0][mbkn] |= (val << mbks);
MBK[1][mbkn] = MBK[0][mbkn];