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Implement host tracked memory manager mode (#6356)

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* Add host tracked memory manager mode

* Skipping flush is no longer needed

* Formatting + revert unrelated change

* LightningJit: Ensure that dest register is saved for load ops that do partial updates

* avoid allocations when doing address space lookup

Add missing improvement

* IsRmwMemory -> IsPartialRegisterUpdateMemory

* Ensure we iterate all private allocations in range

* PR feedback and potential fixes

* Simplified bridges a lot

* Skip calling SignalMappingChanged if Guest is true

* Late map bridge too

* Force address masking for prefetch instructions

* Reprotection for bridges

* Move partition list validation to separate debug method

* Move host tracked related classes to HostTracked folder

* New HostTracked namespace

* Move host tracked modes to the end of enum to avoid PPTC invalidation

---------

Co-authored-by: riperiperi <rhy3756547@hotmail.com>
This commit is contained in:
gdkchan 2024-03-26 23:33:24 -03:00 • committed by GitHub
parent f6d24449b6
commit b323a01738
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GPG key ID: B5690EEEBB952194
30 changed files with 2648 additions and 76 deletions
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31
src/ARMeilleure/Instructions/InstEmitMemoryHelper.cs
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@ -157,7 +157,7 @@ namespace ARMeilleure.Instructions
context.Copy(temp, value);
if (!context.Memory.Type.IsHostMapped())
if (!context.Memory.Type.IsHostMappedOrTracked())
{
context.Branch(lblEnd);
@ -198,7 +198,7 @@ namespace ARMeilleure.Instructions
SetInt(context, rt, value);
if (!context.Memory.Type.IsHostMapped())
if (!context.Memory.Type.IsHostMappedOrTracked())
{
context.Branch(lblEnd);
@ -265,7 +265,7 @@ namespace ARMeilleure.Instructions
context.Copy(GetVec(rt), value);
if (!context.Memory.Type.IsHostMapped())
if (!context.Memory.Type.IsHostMappedOrTracked())
{
context.Branch(lblEnd);
@ -312,7 +312,7 @@ namespace ARMeilleure.Instructions
break;
}
if (!context.Memory.Type.IsHostMapped())
if (!context.Memory.Type.IsHostMappedOrTracked())
{
context.Branch(lblEnd);
@ -385,7 +385,7 @@ namespace ARMeilleure.Instructions
break;
}
if (!context.Memory.Type.IsHostMapped())
if (!context.Memory.Type.IsHostMappedOrTracked())
{
context.Branch(lblEnd);
@ -403,6 +403,27 @@ namespace ARMeilleure.Instructions
{
return EmitHostMappedPointer(context, address);
}
else if (context.Memory.Type.IsHostTracked())
{
if (address.Type == OperandType.I32)
{
address = context.ZeroExtend32(OperandType.I64, address);
}
if (context.Memory.Type == MemoryManagerType.HostTracked)
{
Operand mask = Const(ulong.MaxValue >> (64 - context.Memory.AddressSpaceBits));
address = context.BitwiseAnd(address, mask);
}
Operand ptBase = !context.HasPtc
? Const(context.Memory.PageTablePointer.ToInt64())
: Const(context.Memory.PageTablePointer.ToInt64(), Ptc.PageTableSymbol);
Operand ptOffset = context.ShiftRightUI(address, Const(PageBits));
return context.Add(address, context.Load(OperandType.I64, context.Add(ptBase, context.ShiftLeft(ptOffset, Const(3)))));
}
int ptLevelBits = context.Memory.AddressSpaceBits - PageBits;
int ptLevelSize = 1 << ptLevelBits;