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Add host tracked memory manager mode (experimental)

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This commit is contained in:
Gabriel A 2024-01-04 17:07:04 -03:00
parent f11d663df7
commit ffdb90a1f4
16 changed files with 2246 additions and 28 deletions
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25
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 +403,21 @@ namespace ARMeilleure.Instructions
{
return EmitHostMappedPointer(context, address);
}
else if (context.Memory.Type == MemoryManagerType.HostTracked)
{
Operand ptBase = !context.HasPtc
? Const(context.Memory.PageTablePointer.ToInt64())
: Const(context.Memory.PageTablePointer.ToInt64(), Ptc.PageTableSymbol);
Operand ptOffset = context.ShiftRightUI(address, Const(PageBits));
if (ptOffset.Type == OperandType.I32)
{
ptOffset = context.ZeroExtend32(OperandType.I64, ptOffset);
}
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;