Merge pull request 'feature/ci-cd-drone-migration' (#3) from feature/ci-cd-drone-migration into develop

Reviewed-on: #3

.drone.yml

@@ -24,7 +24,7 @@ steps:
       - find . -type f -print0 | xargs -0 dos2unix
       - chmod +x /drone/src/*.sh
       - /drone/src/compile.sh
-      
+
   - name: upload-iso-artifact
     image: alpine/git
     depends_on:
@@ -49,18 +49,4 @@ steps:
         -H "Authorization: token $GITEA_TOKEN" || echo "No previous latest version found."
       - |
         curl -X PUT https://gitea.spexeah.com/api/packages/Spexeah/generic/asuro-iso/latest/Asuro.iso \
-        -H "Authorization: token $GITEA_TOKEN" --upload-file "Asuro-$(git rev-parse --short HEAD).iso"
-
-  - name: msg status
-    image: appleboy/drone-discord
-    failure: ignore
-    depends_on:
-      - compile
-    when:
-      status: [success, failure, changed]
-    settings:
-      webhook_id:
-        from_secret: discord_webhook_id
-      webhook_token:
-        from_secret: discord_webhook_secret
-      message: "**Asuro Build**\n\n{{#success build.status}}✅ Build successful!\n\n{{else}}❌ Build failed!\n\n{{/success}}Repository: `{{repo.namespace}}/{{repo.name}}`\nBranch: `{{commit.branch}}`\nCommit: `{{commit.sha}}`\nAuthor: `{{commit.author}} <{{commit.email}}>`\n\nGitea Diff: [Link](<{{commit.link}}>)\nDrone Build: [Link](<{{build.link}}>)\n\nMessage: {{commit.message}}"
+        -H "Authorization: token $GITEA_TOKEN" --upload-file "Asuro-$(git rev-parse --short HEAD).iso"

.mailmap

@@ -1,13 +0,0 @@
-# Map all Aaron identities to a single preferred identity
-Aaron Hance <[email protected]> aaron <aaron@6dbc8c32-bb84-406f-8558-d1cf31a0ab0c>
-Aaron Hance <[email protected]> aaronhance <[email protected]>
-Aaron Hance <[email protected]> aaron hance <[email protected]>
-Aaron Hance <[email protected]> Aaron <[email protected]>
-
-# Map all Kieron identities to a single preferred identity
-Kieron Morris <[email protected]> kieron <kieron@6dbc8c32-bb84-406f-8558-d1cf31a0ab0c>
-Kieron Morris <[email protected]> Kieron <[email protected]>
-Kieron Morris <[email protected]> t3hn3rd <[email protected]>
-
-# Map goose's multiple identities
-goose <goose@6dbc8c32-bb84-406f-8558-d1cf31a0ab0c> goose <[email protected]>

Dockerfile

@@ -9,7 +9,7 @@ RUN apt-get update && apt-get install -y \
 	apt-get clean my room
 
 SHELL ["/bin/bash", "-c"]
-ARG FPC_VERSION=3.2.2
+ARG FPC_VERSION=2.6.4
 RUN curl -sL https://sourceforge.net/projects/freepascal/files/Linux/$FPC_VERSION/fpc-$FPC_VERSION.i386-linux.tar/download | tar -xf - && \
 	pushd fpc-$FPC_VERSION.i386-linux && ./install.sh && popd && \
 	rm -rf fpc-$FPC_VERSION.i386-linux

compile_sources.sh

@@ -4,4 +4,4 @@ echo "======================="
 echo " "
 echo "Compiling FPC Sources..."
 echo " "
-fpc -Aelf -gw -g -gl -n -vlewn -O3 -OpPENTIUM3 -Si -Sc -Sg -Xd -CX -XXs -CfSSE -CfSSE2 -Rintel -Pi386 -Tlinux -FElib/ -Fusrc/* -Fusrc/driver/* -Fusrc/driver/net/* src/kernel.pas
+fpc -Aelf -gw -g -gl -n -vlewn -O3 -Op3 -Si -Sc -Sg -Xd -CX -XXs -CfSSE -CfSSE2 -Rintel -Pi386 -Tlinux -FElib/ -Fusrc/* -Fusrc/driver/* -Fusrc/driver/net/* src/kernel.pas

linker.script

@@ -34,14 +34,4 @@ SECTIONS
   }
   end = .; _end = .; __end = .;
   kernel_end = .;
-
-  /DISCARD/ : {
-    *(.init_array*)
-    *(.fini_array*)
-    *(.ctors)
-    *(.dtors)
-    *(.eh_frame*)
-    *(.gcc_except_table*)
-    *(.note.GNU-stack)
-  }
 }

src/console.pas

@@ -1776,14 +1776,15 @@ var
    fb: puint32;
 
 Begin
+     Ready:= False;
      fb:= puint32(uint32(multibootinfo^.framebuffer_addr));
      Console_Properties.Width:= multibootinfo^.framebuffer_width;
      Console_Properties.Height:= multibootinfo^.framebuffer_height;
      Console_Properties.BitsPerPixel:= multibootinfo^.framebuffer_bpp;
      Console_Properties.MAX_CELL_X:= (Console_Properties.Width div 8) - 1;
      Console_Properties.MAX_CELL_Y:= (Console_Properties.Height div 16) - 1;
-     If Console_Properties.BitsPerPixel <> 16 then while true do begin
-
+     If Console_Properties.BitsPerPixel <> 16 then begin
+        exit;
      end;
      kpalloc(uint32(fb));
      keyboard.hook(@keyhook);

src/cpu.pas

@@ -291,6 +291,28 @@ begin
     end;
 end;
 
+procedure enableAVX();
+begin
+    if CPUID.Capabilities1^.AVX then begin
+        asm
+            PUSH EAX
+            PUSH ECX
+            PUSH EDX
+            XOR ECX, ECX
+            db $0F
+            db $01
+            db $D0
+            OR EAX, 7
+            db $0F
+            db $01
+            db $D1
+            POP EDX
+            POP ECX
+            POP EAX
+        end;
+    end;
+end;
+
 procedure init();
 begin
     terminal.registerCommand('CPU', @Terminal_Command_CPU, 'CPU Info.');
@@ -300,6 +322,7 @@ begin
     getCPUCapabilities;
     getCPUClockSpeed;
     enableSSE;
+    enableAVX;
 end;
 
 end.

src/driver/interface/serial.pas

@@ -58,19 +58,16 @@ begin
 end;
 
 function sinb(port : uint16) : uint8;
-var
-     tmp : uint8;
 begin
      asm
           PUSH EAX
           PUSH EDX
           MOV DX, port
           IN AL, DX
-          MOV tmp, AL
+          MOV sinb, AL
           POP EDX
           POP EAX
      end;
-     sinb := tmp;
      io_wait;
 end;
 

src/driver/net/l5/dhcp.pas

@@ -491,26 +491,22 @@ begin
         
         { Create a new header to the use in our DHCP REQUEST packet }
         SendHeader:= createHeader();
-        CopyIPv4(@getIPv4Config^.Address[0], puint8(@SendHeader^.Client_IP[0]));
+        CopyIPv4(puint8(@Header^.Your_IP[0]), puint8(@SendHeader^.Client_IP[0]));
         CopyIPv4(puint8(@Header^.Server_IP[0]), puint8(@SendHeader^.Server_IP[0]));
         processHeader(SendHeader);
 
         { Setup Options }
         SendOptions:= newOptions();
-
         { Create a message type option and assign it the value REQUEST }
         SendMsgType:= ord(TDHCPMessageType.REQUEST);
         NewOption(SendOptions, TDHCPOpCode.DHCP_MESSAGE_TYPE, void(@SendMsgType), 1, false);
-
         { Create a Requested IP option and assign it the value from the OFFER packet header }
-        NewOption(SendOptions, TDHCPOpCode.REQUESTED_IP_ADDRESS, void(@Header^.Your_IP[0]), 4, false);
-
+        NewOption(SendOptions, TDHCPOpCode.REQUESTED_IP_ADDRESS, void(@SendHeader^.Client_IP[0]), 4, false);
         { Create a Server Identifier Option and assign it the value from the OFFER packet options }
         Option:= getOptionByOpcode(Options, TDHCPOpCode.SERVER_IDENTIFIER);
         if Option <> nil then begin
             NewOption(SendOptions, TDHCPOpCode.SERVER_IDENTIFIER, void(@Option^.Value[0]), 4, false);
         end;
-
         { Create a Parameter Request List, Request the following: Netmask, Gateway, DNS Name & DNS Server }
         RequestParams[0]:= Ord(TDHCPOpCode.SUBNET_MASK);
         RequestParams[1]:= Ord(TDHCPOpCode.ROUTER);
@@ -526,13 +522,9 @@ begin
         MAC:= getMAC();
         packetCtx:= PPacketContext(Kalloc(sizeof(TPacketContext)));
         packetCtx^.TTL:= 128;
-
-        { Copy over MAC - src: broadcast - dst: DHCP Server }
-        copyMAC(MAC, @packetCtx^.MAC.Source[0]);
         copyMAC(@BROADCAST_MAC[0], @packetCtx^.MAC.Destination[0]);
-        
-        { Copy over IP - src: NULL - dst: Broadcast }
-        CopyIPv4(@getIPv4Config^.Address[0], @packetCtx^.IP.Source[0]);
+        copyMAC(MAC, @packetCtx^.MAC.Source[0]);
+        copyIPv4(@NULL_IP[0], @packetCtx^.IP.Source[0]);
         copyIPv4(@BROADCAST_IP[0], @packetCtx^.IP.Destination[0]);
 
         { Setup UDPContext (UDP) & copy in the correct details }
@@ -578,7 +570,7 @@ begin
 
     { Check the frame is for us and then process }
     MAC:= getMAC;
-    if MACEqual(@context^.PacketContext^.MAC.Destination[0], MAC) or MACEqual(@context^.PacketContext^.MAC.Destination[0], BROADCAST_MAC) then begin
+    if MACEqual(@context^.PacketContext^.MAC.Destination[0], MAC) then begin
         Outputln('DHCP','Frame is addressed to us.');
         { Check the message type is client specific }
         If Header^.Message_Type = $02 then begin
@@ -663,7 +655,7 @@ begin
         copyMAC(@BROADCAST_MAC[0], @packetCtx^.MAC.Destination[0]);
         MAC:= getMAC;
         copyMAC(MAC, @packetCtx^.MAC.Source[0]);
-        CopyIPv4(@getIPv4Config^.Address[0], @packetCtx^.IP.Source[0]);
+        copyIPv4(@NULL_IP[0], @packetCtx^.IP.Source[0]);
         copyIPv4(@BROADCAST_IP[0], @packetCtx^.IP.Destination[0]);
 
         { Setup UDPContext (UDP) }

src/driver/video/doublebuffer.pas

@@ -0,0 +1,100 @@
+//  Copyright 2021 Kieron Morris
+//
+//  Licensed under the Apache License, Version 2.0 (the "License");
+//  you may not use this file except in compliance with the License.
+//  You may obtain a copy of the License at
+//
+//  http://www.apache.org/licenses/LICENSE-2.0
+//
+//  Unless required by applicable law or agreed to in writing, software
+//  distributed under the License is distributed on an "AS IS" BASIS,
+//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//  See the License for the specific language governing permissions and
+//  limitations under the License.
+
+{ 
+	Driver->Video->Doublebuffer - Implements a very basic double buffer, tested with VESA drivers.
+	
+	@author(Kieron Morris <[email protected]>)
+}
+unit doublebuffer;
+
+interface
+
+uses
+    lmemorymanager, tracer, videotypes, serial, util;
+
+//Init the driver, and register with the video interface in a state ready for execution.
+procedure init(Register : FRegisterDriver);
+
+implementation
+
+function allocateBackBuffer(Width : uint32; Height : uint32; BitsPerPixel : uint8) : uint64;
+begin
+    tracer.push_trace('doublebuffer.allocateBackBuffer.enter');
+    //This doesn't currently work... Needs a rework of lmemorymanager
+    allocateBackBuffer:= uint64(klalloc((Width * Height) * BitsPerPixel));
+    tracer.push_trace('doublebuffer.allocateBackBuffer.exit');
+end;
+
+procedure initBackBuffer(VInterface : PVideoInterface; Width : uint32; Height : uint32; BitsPerPixel : uint8);
+begin
+    tracer.push_trace('doublebuffer.initBackBuffer.enter');
+    if not(VInterface^.BackBuffer.Initialized) then begin
+        VInterface^.BackBuffer.Location:= allocateBackBuffer(Width, Height, BitsPerPixel);
+        if (VInterface^.BackBuffer.Location <> 0) then begin
+            VInterface^.BackBuffer.Width:= Width;
+            VInterface^.BackBuffer.Height:= Height;
+            VInterface^.BackBuffer.BitsPerPixel:= BitsPerPixel;
+            VInterface^.BackBuffer.Initialized:= True;
+        end;
+    end;
+    tracer.push_trace('doublebuffer.initBackBuffer.exit');
+end;
+
+procedure Flush(FrontBuffer : PVideoBuffer; BackBuffer : PVideoBuffer);
+var
+    idx : uint32;
+    Back,Front : uint32;
+    BufferSize : uint32;
+
+const
+    //COPY_WIDTH = 64; //Use this for 64bit copies
+    COPY_WIDTH = 128; //Use this for SSE copies
+
+begin
+    //tracer.push_trace('doublebuffer.Flush.enter');
+    if not(BackBuffer^.Initialized) then exit;
+    if ((FrontBuffer^.Width > BackBuffer^.Width) or (FrontBuffer^.Height > BackBuffer^.Height)) then exit;
+    Back:= BackBuffer^.Location;
+    Front:= FrontBuffer^.Location;
+    BufferSize:= ( ( BackBuffer^.Width * BackBuffer^.Height * BackBuffer^.BitsPerPixel) div COPY_WIDTH ) - 1;
+    for idx:=0 to BufferSize do begin
+        //Front[idx]:= Back[idx];
+        // -- TODO: Get SSE working here for 128bit copies --
+        __SSE_128_memcpy(Back + (idx * 16), Front + (idx * 16));  
+    end;
+    //tracer.push_trace('doublebuffer.Flush.exit');
+end;
+
+function enable(VideoInterface : PVideoInterface) : boolean;
+begin
+    tracer.push_trace('doublebuffer.enable.enter');
+    enable:= false;
+    initBackBuffer(VideoInterface, VideoInterface^.FrontBuffer.Width, VideoInterface^.FrontBuffer.Height, VideoInterface^.FrontBuffer.BitsPerPixel);
+    if VideoInterface^.BackBuffer.Initialized then begin
+        VideoInterface^.DefaultBuffer:= @VideoInterface^.BackBuffer;
+        VideoInterface^.DrawRoutines.Flush:= @Flush;
+        enable:= true;
+    end;
+    tracer.push_trace('doublebuffer.enable.exit');
+end;
+
+procedure init(Register : FRegisterDriver);
+begin
+    tracer.push_trace('doublebuffer.init.enter');
+    Register('BASIC_DOUBLE_BUFFER', @enable);
+    tracer.push_trace('doublebuffer.init.exit');
+end;
+
+end.

src/driver/video/vesa.pas

@@ -0,0 +1,87 @@
+//  Copyright 2021 Kieron Morris
+//
+//  Licensed under the Apache License, Version 2.0 (the "License");
+//  you may not use this file except in compliance with the License.
+//  You may obtain a copy of the License at
+//
+//  http://www.apache.org/licenses/LICENSE-2.0
+//
+//  Unless required by applicable law or agreed to in writing, software
+//  distributed under the License is distributed on an "AS IS" BASIS,
+//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//  See the License for the specific language governing permissions and
+//  limitations under the License.
+
+{ 
+	Driver->Video->VESA - VESA Display Driver.
+	
+	@author(Kieron Morris <[email protected]>)
+}
+unit vesa;
+
+interface
+
+uses
+    videotypes, tracer, multiboot, lmemorymanager;
+
+//Init the driver, and register with the video interface in a state ready for execution.
+procedure init(Register : FRegisterDriver);
+
+implementation
+
+uses
+    VESA8, VESA16, VESA24, VESA32;
+
+procedure allocateVESAFrameBuffer(Address : uint32; Width : uint32; Height : uint32);
+var
+    LowerAddress, UpperAddress : uint32;
+    Block : uint32;
+
+begin
+    tracer.push_trace('VESA.allocateFrameBuffer.enter');
+    LowerAddress:= ((Address) SHR 22)-1;
+    UpperAddress:= ((Address + (Width * Height)) SHR 22)+1;
+    For Block:=LowerAddress to UpperAddress do begin
+        kpalloc(Block SHL 22);
+    end;
+    tracer.push_trace('VESA.allocateFrameBuffer.exit');
+end;
+
+procedure initVESAFrameBuffer(VideoBuffer : PVideoBuffer; Location : uint64; Width : uint32; Height : uint32; BitsPerPixel : uint8);
+begin
+    tracer.push_trace('VESA.initVESAFrameBuffer.enter');
+    if not(VideoBuffer^.Initialized) then begin
+        VideoBuffer^.Location:= Location;
+        VideoBuffer^.BitsPerPixel:= BitsPerPixel;
+        VideoBuffer^.Width:= Width;
+        VideoBuffer^.Height:= Height;
+        allocateVESAFrameBuffer(VideoBuffer^.Location, VideoBuffer^.Width, VideoBuffer^.Height);
+        if VideoBuffer^.Location <> 0 then
+            VideoBuffer^.Initialized:= True;
+    end;
+    tracer.push_trace('VESA.initVESAFrameBuffer.exit');
+end;
+
+function enable(VideoInterface : PVideoInterface) : boolean;
+begin
+    tracer.push_trace('VESA.enable.enter');
+    initVESAFrameBuffer(@VideoInterface^.FrontBuffer, multiboot.multibootinfo^.framebuffer_addr, multiboot.multibootinfo^.framebuffer_width, multiboot.multibootinfo^.framebuffer_height, multiboot.multibootinfo^.framebuffer_bpp);
+    case (VideoInterface^.FrontBuffer.BitsPerPixel) of
+        08:VESA8.init(@VideoInterface^.DrawRoutines);
+        16:VESA16.init(@VideoInterface^.DrawRoutines);
+        24:VESA24.init(@VideoInterface^.DrawRoutines);
+        32:VESA32.init(@VideoInterface^.DrawRoutines);
+    end;
+    enable:= VideoInterface^.FrontBuffer.Initialized;  
+    tracer.push_trace('VESA.enable.exit');
+end;
+
+procedure init(Register : FRegisterDriver);
+begin
+    tracer.push_trace('VESA.init.enter');
+    if Register <> nil then
+        Register('VESA', @enable);   
+    tracer.push_trace('VESA.init.exit');
+end;
+
+end.

src/driver/video/vesa16.pas

@@ -0,0 +1,43 @@
+//  Copyright 2021 Kieron Morris
+//
+//  Licensed under the Apache License, Version 2.0 (the "License");
+//  you may not use this file except in compliance with the License.
+//  You may obtain a copy of the License at
+//
+//  http://www.apache.org/licenses/LICENSE-2.0
+//
+//  Unless required by applicable law or agreed to in writing, software
+//  distributed under the License is distributed on an "AS IS" BASIS,
+//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//  See the License for the specific language governing permissions and
+//  limitations under the License.
+
+{ 
+	Driver->Video->VESA16 - Implementation of VESA 16bpp draw routines for the VESA Driver.
+	
+	@author(Kieron Morris <[email protected]>)
+}
+unit vesa16;
+
+interface
+
+uses
+    videotypes, vesa, tracer, color;
+
+//Init the draw routines by providing what we support through the DrawRoutines struct.
+procedure init(DrawRoutines : PDrawRoutines);
+
+implementation
+
+procedure DrawPixel(Buffer : PVideoBuffer; X : uint32; Y : uint32; Pixel : TRGB32);
+begin
+
+end;
+
+procedure init(DrawRoutines : PDrawRoutines);
+begin
+    tracer.push_trace('vesa16.init.enter');   
+    tracer.push_trace('vesa16.init.exit');
+end;
+
+end.

src/driver/video/vesa24.pas

@@ -0,0 +1,43 @@
+//  Copyright 2021 Kieron Morris
+//
+//  Licensed under the Apache License, Version 2.0 (the "License");
+//  you may not use this file except in compliance with the License.
+//  You may obtain a copy of the License at
+//
+//  http://www.apache.org/licenses/LICENSE-2.0
+//
+//  Unless required by applicable law or agreed to in writing, software
+//  distributed under the License is distributed on an "AS IS" BASIS,
+//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//  See the License for the specific language governing permissions and
+//  limitations under the License.
+
+{ 
+	Driver->Video->VESA24 - Implementation of VESA 24bpp draw routines for the VESA Driver.
+	
+	@author(Kieron Morris <[email protected]>)
+}
+unit vesa24;
+
+interface
+
+uses
+    videotypes, vesa, tracer, color;
+
+//Init the draw routines by providing what we support through the DrawRoutines struct.
+procedure init(DrawRoutines : PDrawRoutines);
+
+implementation
+
+procedure DrawPixel(Buffer : PVideoBuffer; X : uint32; Y : uint32; Pixel : TRGB32);
+begin
+
+end;
+
+procedure init(DrawRoutines : PDrawRoutines);
+begin
+	tracer.push_trace('vesa24.init.enter');
+	tracer.push_trace('vesa24.init.exit');
+end;
+
+end.

src/driver/video/vesa32.pas

@@ -0,0 +1,52 @@
+//  Copyright 2021 Kieron Morris
+//
+//  Licensed under the Apache License, Version 2.0 (the "License");
+//  you may not use this file except in compliance with the License.
+//  You may obtain a copy of the License at
+//
+//  http://www.apache.org/licenses/LICENSE-2.0
+//
+//  Unless required by applicable law or agreed to in writing, software
+//  distributed under the License is distributed on an "AS IS" BASIS,
+//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//  See the License for the specific language governing permissions and
+//  limitations under the License.
+
+{ 
+	Driver->Video->VESA32 - Implementation of VESA 32bpp draw routines for the VESA Driver.
+	
+	@author(Kieron Morris <[email protected]>)
+}
+unit vesa32;
+
+interface
+
+uses
+    videotypes, vesa, tracer, color;
+
+//Init the draw routines by providing what we support through the DrawRoutines struct.
+procedure init(DrawRoutines : PDrawRoutines);
+
+implementation
+
+procedure DrawPixel(Buffer : PVideoBuffer; X : uint32; Y : uint32; Pixel : TRGB32);
+var
+    Location : PuInt32;
+    LocationIndex : Uint32;
+
+begin
+    //tracer.push_trace('vesa32.DrawPixel.enter');
+    Location:= Puint32(Buffer^.Location);
+    LocationIndex:= (Y * Buffer^.Width) + X;
+    Location[LocationIndex]:= uint32(Pixel);
+    //tracer.push_trace('vesa32.DrawPixel.exit');
+end;
+
+procedure init(DrawRoutines : PDrawRoutines);
+begin
+    tracer.push_trace('vesa32.init.enter');
+    DrawRoutines^.DrawPixel:= @DrawPixel;
+    tracer.push_trace('vesa32.init.exit');
+end;
+
+end.

src/driver/video/vesa8.pas

@@ -0,0 +1,43 @@
+//  Copyright 2021 Kieron Morris
+//
+//  Licensed under the Apache License, Version 2.0 (the "License");
+//  you may not use this file except in compliance with the License.
+//  You may obtain a copy of the License at
+//
+//  http://www.apache.org/licenses/LICENSE-2.0
+//
+//  Unless required by applicable law or agreed to in writing, software
+//  distributed under the License is distributed on an "AS IS" BASIS,
+//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//  See the License for the specific language governing permissions and
+//  limitations under the License.
+
+{ 
+	Driver->Video->VESA8 - Implementation of VESA 8bpp draw routines for the VESA Driver.
+	
+	@author(Kieron Morris <[email protected]>)
+}
+unit vesa8;
+
+interface
+
+uses
+    videotypes, vesa, tracer, color;
+
+//Init the draw routines by providing what we support through the DrawRoutines struct.
+procedure init(DrawRoutines : PDrawRoutines);
+
+implementation
+
+procedure DrawPixel(Buffer : PVideoBuffer; X : uint32; Y : uint32; Pixel : TRGB32);
+begin
+
+end;
+
+procedure init(DrawRoutines : PDrawRoutines);
+begin
+    tracer.push_trace('vesa8.init.enter');   
+    tracer.push_trace('vesa8.init.exit');  
+end;
+
+end.

src/driver/video/videotypes.pas

@@ -0,0 +1,92 @@
+//  Copyright 2021 Kieron Morris
+//
+//  Licensed under the Apache License, Version 2.0 (the "License");
+//  you may not use this file except in compliance with the License.
+//  You may obtain a copy of the License at
+//
+//  http://www.apache.org/licenses/LICENSE-2.0
+//
+//  Unless required by applicable law or agreed to in writing, software
+//  distributed under the License is distributed on an "AS IS" BASIS,
+//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//  See the License for the specific language governing permissions and
+//  limitations under the License.
+
+{ 
+	Driver->Video->Videotypes - Provides types relating to the video framework & driver interface.
+	
+	@author(Kieron Morris <[email protected]>)
+}
+unit videotypes;
+
+interface
+
+uses
+    color;
+
+type
+    //Arbitrary pointer to a raw video buffer in memory
+    VideoBuffer = uint32;
+
+    //Struct representing a Memory Mapped Video Buffer
+    TVideoBuffer = record
+        //Has this buffer been initialized? Has it been paged/created in memory?
+        Initialized     : Boolean;
+        //Location of the video buffer in memory as a QWORD.
+        Location        : VideoBuffer;
+        //How many bits per pixel?
+        BitsPerPixel    : uint8;
+        //Width of the buffer.
+        Width           : uint32;
+        //Height of the buffer.
+        Height          : uint32;
+    end;
+    //Pointer to a video buffer
+    PVideoBuffer = ^TVideoBuffer;
+
+    //(Abstract) Draw a pixel to screenspace
+    FDrawPixel = procedure(Buffer : PVideoBuffer; X : uint32; Y : uint32; Pixel : TRGB32);
+    //(Abstract) Flush backbuffer to MMIO Buffer
+    FFlush     = procedure(FrontBuffer : PVideoBuffer; BackBuffer : PVideoBuffer);
+    //(Abstract) Draw a line to the screen
+    FDrawLine = procedure(Buffer : PVideoBuffer; x1,y1,x2,y2 : uint32; thickness : uint32; Color : TRGB32);
+    //(Abstract) Draw a rect to the screen
+    FDrawRect = procedure(Buffer : PVideoBuffer; x1,y1,x2,y2 : uint32; line_thickness : uint32; Color : TRGB32);
+    //(Abstract) Draw a filled rect to the screen
+    FFillRect = procedure(Buffer : PVideoBuffer; x1,y1,x2,y2 : uint32; line_thickness : uint32; Line_Color : TRGB32; Fill_Color : TRGB32);
+
+    //Routines for drawing to the screen
+    TDrawRoutines = record
+        DrawPixel : FDrawPixel;
+        Flush     : FFlush;
+        DrawLine  : FDrawLine;
+        DrawRect  : FDrawRect;
+        FillRect  : FFillRect;
+    end;
+    //Pointer to drawing routines
+    PDrawRoutines = ^TDrawRoutines;
+
+    //Struct representing the whole video driver.
+    TVideoInterface = record
+        //Default buffer to be used when rendering, front buffer for no double buffering, back buffer otherwise.
+        DefaultBuffer   : PVideoBuffer;
+        //Memory Mapped IO Buffer for raw rasterization.
+        FrontBuffer     : TVideoBuffer;
+        //Back buffer used for double buffering, this is flushed to FrontBuffer with flush();
+        BackBuffer      : TVideoBuffer;
+        //Drawing Routines
+        DrawRoutines    : TDrawRoutines;
+    end;
+    //Pointer to a video interface struct.
+    PVideoInterface = ^TVideoInterface;
+
+    //(Abstract) Enable method for a driver, called from video to enable driver.
+    FEnableDriver = function(VideoInterface : PVideoInterface) : boolean;
+    //(Abstract) Register driver, called from a driver to register with the video interface.
+    FRegisterDriver = function(DriverIdentifier : pchar; EnableCallback : FEnableDriver) : boolean;
+    //(Abstract) Init driver, called from _somewhere_ to start the driver and register it with the video interface.
+    FInitDriver = procedure(Register : FRegisterDriver);
+
+implementation
+
+end.

src/include/color.pas

@@ -0,0 +1,63 @@
+//  Copyright 2021 Kieron Morris
+//
+//  Licensed under the Apache License, Version 2.0 (the "License");
+//  you may not use this file except in compliance with the License.
+//  You may obtain a copy of the License at
+//
+//  http://www.apache.org/licenses/LICENSE-2.0
+//
+//  Unless required by applicable law or agreed to in writing, software
+//  distributed under the License is distributed on an "AS IS" BASIS,
+//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//  See the License for the specific language governing permissions and
+//  limitations under the License.
+
+{ 
+	Include->Color - Provides types relating to color/graphics.
+	
+	@author(Kieron Morris <[email protected]>)
+}
+unit color;
+
+interface
+
+type
+    TRGB32 = bitpacked record
+        B : uint8;
+        G : uint8;
+        R : uint8;
+        A : uint8;
+    end;
+    PRGB32 = ^TRGB32;
+
+    TRGB24 = bitpacked record
+        B : uint8;
+        G : uint8;
+        R : uint8;
+    end;
+    PRGB23 = ^TRGB24;
+
+    TRGB16 = bitpacked record
+        B : UBit5;
+        G : UBit6;
+        R : UBit5;
+    end;
+    PRGB16 = ^TRGB16;
+
+    TRGB8 = bitpacked record
+        B : UBit2;
+        G : UBit4;
+        R : UBit2;
+    end;
+    PRGB8 = ^TRGB8;
+
+const
+    black : TRGB32 = (B: 000; G: 000; R: 000; A: 000);
+    white : TRGB32 = (B: 255; G: 255; R: 255; A: 000);
+    red   : TRGB32 = (B: 000; G: 000; R: 255; A: 000);
+    green : TRGB32 = (B: 000; G: 255; R: 000; A: 000);
+    blue  : TRGB32 = (B: 255; G: 000; R: 000; A: 000);
+
+implementation
+
+end.