mirror of
https://github.com/danbulant/Cosmos
synced 2026-05-19 12:30:32 +00:00
88 lines
3.1 KiB
C#
88 lines
3.1 KiB
C#
using System;
|
|
using System.Linq;
|
|
using Cosmos.Assembler;
|
|
using Cosmos.Assembler.x86;
|
|
|
|
namespace Cosmos.Debug.DebugStub {
|
|
public class CmdProcess : Cosmos.Assembler.Code {
|
|
|
|
public CmdProcess(Assembler.Assembler aAssembler) : base(aAssembler) {}
|
|
|
|
public override void Assemble() {
|
|
new Comment("X#: Group DebugStub");
|
|
|
|
new LiteralAssemblerCode("; test when emitted after usage too");
|
|
|
|
new Comment("X#: ! DebugStub_Const_DsVsip_CmdCompleted equ 9");
|
|
new LiteralAssemblerCode("DebugStub_Const_DsVsip_CmdCompleted equ 9");
|
|
|
|
new Comment("X#: procedure AckCommand {");
|
|
new LiteralAssemblerCode("DebugStub_AckCommand:");
|
|
|
|
new LiteralAssemblerCode("; We acknowledge receipt of the command AND the processing of it.");
|
|
|
|
new LiteralAssemblerCode("; -In the past the ACK only acknowledged receipt.");
|
|
|
|
new LiteralAssemblerCode("; We have to do this because sometimes callers do more processing.");
|
|
|
|
new LiteralAssemblerCode("; We ACK even ones we dont process here, but do not ACK Noop.");
|
|
|
|
new LiteralAssemblerCode("; The buffers should be ok because more wont be sent till after our NACK");
|
|
|
|
new LiteralAssemblerCode("; is received.");
|
|
|
|
new LiteralAssemblerCode("; Right now our max cmd size is 2 (Cmd + Cmd ID) + 5 (Data) = 7.");
|
|
|
|
new LiteralAssemblerCode("; UART buffer is 16.");
|
|
|
|
new LiteralAssemblerCode("; We may need to revisit this in the future to ack not commands, but data chunks");
|
|
|
|
new LiteralAssemblerCode("; and move them to a buffer.");
|
|
|
|
new LiteralAssemblerCode("; The buffer problem exists only to inbound data, not outbound data (relative to DebugStub).");
|
|
|
|
new Comment("X#: AL = #DsVsip_CmdCompleted");
|
|
new LiteralAssemblerCode("Mov AL, DebugStub_Const_DsVsip_CmdCompleted");
|
|
|
|
new Comment("X#: ComWriteAL()");
|
|
new LiteralAssemblerCode("Call DebugStub_ComWriteAL");
|
|
|
|
new Comment("X#: EAX = .CommandID");
|
|
new LiteralAssemblerCode("Mov EAX, [DebugStub_CommandID]");
|
|
|
|
new Comment("X#: ComWriteAL()");
|
|
new LiteralAssemblerCode("Call DebugStub_ComWriteAL");
|
|
|
|
new Comment("X#: }");
|
|
new LiteralAssemblerCode("DebugStub_AckCommand_Exit:");
|
|
new LiteralAssemblerCode("Ret");
|
|
|
|
new Comment("X#: procedure ProcessCommandBatch {");
|
|
new LiteralAssemblerCode("DebugStub_ProcessCommandBatch:");
|
|
|
|
new Comment("X#: Begin:");
|
|
new LiteralAssemblerCode("DebugStub_ProcessCommandBatch_Begin:");
|
|
|
|
new Comment("X#: ProcessCommand()");
|
|
new LiteralAssemblerCode("Call DebugStub_ProcessCommand");
|
|
|
|
new LiteralAssemblerCode("; See if batch is complete");
|
|
|
|
new LiteralAssemblerCode("; Loop and wait");
|
|
|
|
new LiteralAssemblerCode("; VsipDs.BatchEnd");
|
|
|
|
new Comment("X#: if AL != 8 goto Begin");
|
|
new Compare { DestinationReg = RegistersEnum.AL, SourceValue = 8 };
|
|
new ConditionalJump { Condition = ConditionalTestEnum.NotZero, DestinationLabel = "DebugStub_ProcessCommandBatch_Begin" };
|
|
|
|
new Comment("X#: AckCommand()");
|
|
new LiteralAssemblerCode("Call DebugStub_AckCommand");
|
|
|
|
new Comment("X#: }");
|
|
new LiteralAssemblerCode("DebugStub_ProcessCommandBatch_Exit:");
|
|
new LiteralAssemblerCode("Ret");
|
|
|
|
}
|
|
}
|
|
}
|