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16
Cosmos/source/Kernel-X86/10-CPU/Cosmos.CPU_Asm/Array/ArrayGetLengthAsm.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,16 @@ | ||
| using Cosmos.Assembler; | ||
| using XSharp.Common; | ||
|
|
||
| namespace Cosmos.CPU_Asm | ||
| { | ||
| public class ArrayGetLengthAsm : AssemblerMethod | ||
| { | ||
| public override void AssembleNew(Assembler.Assembler aAssembler, object aMethodInfo) | ||
| { | ||
| // $this ebp+8 | ||
| XS.Set(XSRegisters.EAX, XSRegisters.EBP, sourceDisplacement: 8); | ||
| XS.Set(XSRegisters.EAX, XSRegisters.EAX, sourceDisplacement: 8, sourceIsIndirect: true); // element count | ||
| XS.Push(XSRegisters.EAX); | ||
| } | ||
| } | ||
| } |
63 changes: 63 additions & 0 deletions
63
Cosmos/source/Kernel-X86/10-CPU/Cosmos.CPU_Asm/Array/ArrayInternalCopyAsm.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,63 @@ | ||
| using Cosmos.Assembler; | ||
| using Cosmos.IL2CPU.API; | ||
| using XSharp.Common; | ||
| using CPUx86 = Cosmos.Assembler.x86; | ||
|
|
||
| namespace Cosmos.CPU_Asm | ||
| { | ||
| public class ArrayInternalCopyAsm : AssemblerMethod | ||
| { | ||
| private const int SourceArrayDisplacement = 36; | ||
| private const int SourceIndexDisplacement = 32; | ||
| private const int DestinationArrayDisplacement = 24; | ||
| private const int DestinationIndexDisplacement = 16; | ||
| private const int LengthDisplacement = 12; | ||
|
|
||
| /* void Copy( | ||
| * Array sourceArray, ebp + 36 | ||
| * int sourceIndex, ebp + 28 | ||
| * Array destinationArray, ebp + 24 | ||
| * int destinationIndex, ebp + 16 | ||
| * int length, ebp + 12 | ||
| * bool reliable); ebp + 8 | ||
| */ | ||
|
|
||
| public override void AssembleNew(Assembler.Assembler aAssembler, object aMethodInfo) | ||
| { | ||
| XS.Comment("Source"); | ||
| XS.Comment("Element size"); | ||
| XS.Set(XSRegisters.EAX, XSRegisters.EBP, sourceDisplacement: SourceArrayDisplacement); | ||
| XS.Add(XSRegisters.EAX, ObjectUtils.FieldDataOffset); | ||
| XS.Set(XSRegisters.EAX, XSRegisters.EAX, sourceIsIndirect: true); // element size | ||
| XS.Comment("Source ptr"); | ||
| XS.Set(XSRegisters.EBX, XSRegisters.EBP, sourceDisplacement: SourceIndexDisplacement); | ||
| XS.Multiply(XSRegisters.EBX); | ||
| XS.Add(XSRegisters.EAX, ObjectUtils.FieldDataOffset + 4); // first element | ||
| XS.Set(XSRegisters.ESI, XSRegisters.EBP, sourceDisplacement: SourceArrayDisplacement); | ||
| XS.Add(XSRegisters.ESI, XSRegisters.EAX); // source ptr | ||
|
|
||
| XS.Comment("Destination"); | ||
| XS.Comment("Element size"); | ||
| XS.Set(XSRegisters.EAX, XSRegisters.EBP, sourceDisplacement: DestinationArrayDisplacement); | ||
| XS.Add(XSRegisters.EAX, ObjectUtils.FieldDataOffset); | ||
| XS.Set(XSRegisters.EAX, XSRegisters.EAX, sourceIsIndirect: true); // element size | ||
| XS.Comment("Destination ptr"); | ||
| XS.Set(XSRegisters.ECX, XSRegisters.EBP, sourceDisplacement: DestinationIndexDisplacement); | ||
| XS.Multiply(XSRegisters.ECX); | ||
| XS.Add(XSRegisters.EAX, ObjectUtils.FieldDataOffset + 4); // first element | ||
| XS.Set(XSRegisters.EDI, XSRegisters.EBP, sourceDisplacement: DestinationArrayDisplacement); | ||
| XS.Add(XSRegisters.EDI, XSRegisters.EAX); // destination ptr | ||
|
|
||
| XS.Comment("Copy byte count"); | ||
| XS.Comment("Element size"); | ||
| XS.Set(XSRegisters.EAX, XSRegisters.EBP, sourceDisplacement: DestinationArrayDisplacement); | ||
| XS.Add(XSRegisters.EAX, ObjectUtils.FieldDataOffset); | ||
| XS.Set(XSRegisters.EAX, XSRegisters.EAX, sourceIsIndirect: true); // element size | ||
| XS.Comment("Count"); | ||
| XS.Set(XSRegisters.EDX, XSRegisters.EBP, sourceDisplacement: LengthDisplacement); | ||
| XS.Multiply(XSRegisters.EDX); | ||
| XS.Set(XSRegisters.ECX, XSRegisters.EAX); | ||
| new CPUx86.Movs { Size = 8, Prefixes = CPUx86.InstructionPrefixes.Repeat }; | ||
| } | ||
| } | ||
| } |
21 changes: 21 additions & 0 deletions
21
Cosmos/source/Kernel-X86/10-CPU/Cosmos.CPU_Asm/ArrayImpl.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,21 @@ | ||
| using System; | ||
| using Cosmos.IL2CPU.API.Attribs; | ||
|
|
||
| namespace Cosmos.CPU_Asm | ||
| { | ||
| [Plug(Target = typeof(Array))] | ||
| public class ArrayImpl | ||
| { | ||
| [PlugMethod(Assembler = typeof(ArrayGetLengthAsm))] | ||
| public static int get_Length(Array aThis) | ||
| { | ||
| throw new NotImplementedException(); | ||
| } | ||
|
|
||
| [PlugMethod(Assembler = typeof(ArrayInternalCopyAsm))] | ||
| public static void Copy(Array sourceArray, int sourceIndex, Array destinationArray, int destinationIndex, int length, bool reliable) | ||
| { | ||
| throw new NotImplementedException(); | ||
| } | ||
| } | ||
| } |
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