mirror of
https://github.com/danbulant/Cosmos
synced 2026-05-19 12:30:32 +00:00
125 lines
4.6 KiB
C#
125 lines
4.6 KiB
C#
using System;
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using System.Linq;
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using Cosmos.Assembler;
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using Cosmos.Assembler.x86;
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namespace Cosmos.Debug.DebugStub {
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public class CmdProcess : Cosmos.Assembler.Code {
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public CmdProcess(Assembler.Assembler aAssembler) : base(aAssembler) {}
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public override void Assemble() {
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new Comment("X#: Group DebugStub");
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new Comment("X#: const DsVsip_Noop = 0");
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new LiteralAssemblerCode("DebugStub_Const_DsVsip_Noop equ 0");
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new Comment("X#: const DsVsip_TracePoint = 1");
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new LiteralAssemblerCode("DebugStub_Const_DsVsip_TracePoint equ 1");
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new Comment("X#: const DsVsip_Message = 2");
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new LiteralAssemblerCode("DebugStub_Const_DsVsip_Message equ 2");
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new Comment("X#: const DsVsip_BreakPoint = 3");
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new LiteralAssemblerCode("DebugStub_Const_DsVsip_BreakPoint equ 3");
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new Comment("X#: const DsVsip_Error = 4");
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new LiteralAssemblerCode("DebugStub_Const_DsVsip_Error equ 4");
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new Comment("X#: const DsVsip_Pointer = 5");
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new LiteralAssemblerCode("DebugStub_Const_DsVsip_Pointer equ 5");
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new Comment("X#: const DsVsip_Started = 6");
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new LiteralAssemblerCode("DebugStub_Const_DsVsip_Started equ 6");
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new Comment("X#: const DsVsip_MethodContext = 7");
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new LiteralAssemblerCode("DebugStub_Const_DsVsip_MethodContext equ 7");
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new Comment("X#: const DsVsip_MemoryData = 8");
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new LiteralAssemblerCode("DebugStub_Const_DsVsip_MemoryData equ 8");
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new Comment("X#: const DsVsip_CmdCompleted = 9");
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new LiteralAssemblerCode("DebugStub_Const_DsVsip_CmdCompleted equ 9");
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new Comment("X#: const DsVsip_Registers = 10");
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new LiteralAssemblerCode("DebugStub_Const_DsVsip_Registers equ 10");
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new Comment("X#: const DsVsip_Frame = 11");
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new LiteralAssemblerCode("DebugStub_Const_DsVsip_Frame equ 11");
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new Comment("X#: const DsVsip_Stack = 12");
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new LiteralAssemblerCode("DebugStub_Const_DsVsip_Stack equ 12");
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new Comment("X#: const DsVsip_Pong = 13");
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new LiteralAssemblerCode("DebugStub_Const_DsVsip_Pong equ 13");
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new Comment("X#: procedure AckCommand {");
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new LiteralAssemblerCode("DebugStub_AckCommand:");
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new LiteralAssemblerCode("; We acknowledge receipt of the command AND the processing of it.");
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new LiteralAssemblerCode("; -In the past the ACK only acknowledged receipt.");
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new LiteralAssemblerCode("; We have to do this because sometimes callers do more processing.");
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new LiteralAssemblerCode("; We ACK even ones we dont process here, but do not ACK Noop.");
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new LiteralAssemblerCode("; The buffers should be ok because more wont be sent till after our NACK");
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new LiteralAssemblerCode("; is received.");
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new LiteralAssemblerCode("; Right now our max cmd size is 2 (Cmd + Cmd ID) + 5 (Data) = 7.");
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new LiteralAssemblerCode("; UART buffer is 16.");
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new LiteralAssemblerCode("; We may need to revisit this in the future to ack not commands, but data chunks");
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new LiteralAssemblerCode("; and move them to a buffer.");
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new LiteralAssemblerCode("; The buffer problem exists only to inbound data, not outbound data (relative to DebugStub).");
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new Comment("X#: AL = #DsVsip_CmdCompleted");
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new LiteralAssemblerCode("Mov AL, DebugStub_Const_DsVsip_CmdCompleted");
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new Comment("X#: ComWriteAL()");
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new LiteralAssemblerCode("Call DebugStub_ComWriteAL");
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new Comment("X#: EAX = .CommandID");
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new LiteralAssemblerCode("Mov EAX, [DebugStub_CommandID]");
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new Comment("X#: ComWriteAL()");
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new LiteralAssemblerCode("Call DebugStub_ComWriteAL");
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new Comment("X#: }");
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new LiteralAssemblerCode("DebugStub_AckCommand_Exit:");
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new LiteralAssemblerCode("Ret");
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new Comment("X#: procedure ProcessCommandBatch {");
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new LiteralAssemblerCode("DebugStub_ProcessCommandBatch:");
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new Comment("X#: Begin:");
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new LiteralAssemblerCode("DebugStub_ProcessCommandBatch_Begin:");
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new Comment("X#: ProcessCommand()");
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new LiteralAssemblerCode("Call DebugStub_ProcessCommand");
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new LiteralAssemblerCode("; See if batch is complete");
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new LiteralAssemblerCode("; Loop and wait");
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new LiteralAssemblerCode("; VsipDs.BatchEnd");
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new Comment("X#: if AL != 8 goto Begin");
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new Compare { DestinationReg = RegistersEnum.AL, SourceValue = 8 };
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new ConditionalJump { Condition = ConditionalTestEnum.NotZero, DestinationLabel = "DebugStub_ProcessCommandBatch_Begin" };
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new Comment("X#: AckCommand()");
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new LiteralAssemblerCode("Call DebugStub_AckCommand");
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new Comment("X#: }");
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new LiteralAssemblerCode("DebugStub_ProcessCommandBatch_Exit:");
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new LiteralAssemblerCode("Ret");
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}
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}
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}
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