October 2026 main drop: mirror from GitHub

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﻿(* ========================================================================
 * SOVEREIGN LEVIATHAN NODE LICENSE
 * License-ID: SL-AGPL3-001 | Covenant-Version: 1.0
 * Copyright (C) 2026 SnapKittyWest. Ahmad Ali Parr, Bel Esprit D'Accord Irrevocable Trust.
 * ========================================================================
 *
 * This file is a covered work under the GNU Affero General Public License,
 * version 3, together with the Sovereign Leviathan additional terms.
 *
 * Hark, though this node be but a spark,
 * Its covenant endureth through the dark.
 *
 * Ignorantia juris non excusat.
 * ======================================================================== *)

{ gpu_host.pas
  Pascal host skeleton for launching CUDA kernels via a C shim.
  Free Pascal (FPC) compatible.
  Lines: ~220
}

program GPUHost;

{$mode objfpc}{$H+}

uses
  ctypes, SysUtils;

{ --- Memory manager: simple arena with bookkeeping --- }
type
  PBlock = ^TBlock;
  TBlock = record
    addr: Pointer;
    size: NativeUInt;
    freed: Boolean;
  end;

var
  Blocks: array of PBlock;

procedure register_block(p: Pointer; sz: NativeUInt);
var
  b: PBlock;
begin
  New(b);
  b^.addr := p;
  b^.size := sz;
  b^.freed := False;
  SetLength(Blocks, Length(Blocks) + 1);
  Blocks[High(Blocks)] := b;
end;

function find_block(p: Pointer): Integer;
var
  i: Integer;
begin
  for i := 0 to High(Blocks) do
    if Blocks[i]^.addr = p then Exit(i);
  Result := -1;
end;

procedure check_no_leaks;
var
  i: Integer;
begin
  for i := 0 to High(Blocks) do
    if not Blocks[i]^.freed then
      Writeln('Memory leak: block at ', Blocks[i]^.addr, ' size=', Blocks[i]^.size);
end;

{ --- C shim declarations (must match the C shim below) --- }
type
  TCUResult = cint;

procedure cuda_init; cdecl; external 'libcuda_shim.so';
procedure cuda_finalize; cdecl; external 'libcuda_shim.so';
function cuda_alloc(size: NativeUInt): Pointer; cdecl; external 'libcuda_shim.so';
procedure cuda_free(p: Pointer); cdecl; external 'libcuda_shim.so';
function cuda_launch_vector_add(a_dev, b_dev, c_dev: Pointer; n: cint): TCUResult; cdecl; external 'libcuda_shim.so';

{ --- Pascal wrappers around the C shim --- }
function host_alloc(size: NativeUInt): Pointer;
begin
  Result := cuda_alloc(size);
  if Result = nil then
    raise Exception.Create('cuda_alloc failed');
  register_block(Result, size);
end;

procedure host_free(p: Pointer);
var idx: Integer;
begin
  idx := find_block(p);
  if idx = -1 then
    raise Exception.Create('free: unknown pointer');
  if Blocks[idx]^.freed then
    raise Exception.Create('double free detected');
  Blocks[idx]^.freed := True;
  cuda_free(p);
end;

{ --- Test: vector add on GPU --- }
procedure test_vector_add(n: Integer);
var
  bytes: NativeUInt;
  a_dev, b_dev, c_dev: Pointer;
  i: Integer;
  hostA, hostB, hostC: PSingle;
  res: TCUResult;
begin
  bytes := NativeUInt(n) * SizeOf(Single);
  a_dev := host_alloc(bytes);
  b_dev := host_alloc(bytes);
  c_dev := host_alloc(bytes);

  { prepare host buffers (on CPU) and copy via shim if needed; for simplicity we assume shim provides device alloc only and kernel uses device memory }
  { In a real system, add cuda_memcpy_host_to_device and device_to_host functions }

  res := cuda_launch_vector_add(a_dev, b_dev, c_dev, n);
  if res <> 0 then
    Writeln('Kernel launch failed: ', res)
  else
    Writeln('Kernel launched successfully');

  { cleanup }
  host_free(a_dev);
  host_free(b_dev);
  host_free(c_dev);
end;

{ --- Main --- }
begin
  try
    Writeln('Initializing CUDA shim...');
    cuda_init();
    Writeln('Allocating and launching test kernel...');
    test_vector_add(1024);
    Writeln('Finalizing...');
    cuda_finalize();
    check_no_leaks();
    Writeln('Done.');
  except
    on E: Exception do
      Writeln('Error: ', E.ClassName, ': ', E.Message);
  end;
end.

	(* ========================================================================
	* SOVEREIGN LEVIATHAN NODE LICENSE
	* License-ID: SL-AGPL3-001 \| Covenant-Version: 1.0
	* Copyright (C) 2026 SnapKittyWest. Ahmad Ali Parr, Bel Esprit D'Accord Irrevocable Trust.
	* ========================================================================
	*
	* This file is a covered work under the GNU Affero General Public License,
	* version 3, together with the Sovereign Leviathan additional terms.
	*
	* Hark, though this node be but a spark,
	* Its covenant endureth through the dark.
	*
	* Ignorantia juris non excusat.
	* ======================================================================== *)

	{ gpu_host.pas
	Pascal host skeleton for launching CUDA kernels via a C shim.
	Free Pascal (FPC) compatible.
	Lines: ~220
	}

	program GPUHost;

	{$mode objfpc}{$H+}

	uses
	ctypes, SysUtils;

	{ --- Memory manager: simple arena with bookkeeping --- }
	type
	PBlock = ^TBlock;
	TBlock = record
	addr: Pointer;
	size: NativeUInt;
	freed: Boolean;
	end;

	var
	Blocks: array of PBlock;

	procedure register_block(p: Pointer; sz: NativeUInt);
	var
	b: PBlock;
	begin
	New(b);
	b^.addr := p;
	b^.size := sz;
	b^.freed := False;
	SetLength(Blocks, Length(Blocks) + 1);
	Blocks[High(Blocks)] := b;
	end;

	function find_block(p: Pointer): Integer;
	var
	i: Integer;
	begin
	for i := 0 to High(Blocks) do
	if Blocks[i]^.addr = p then Exit(i);
	Result := -1;
	end;

	procedure check_no_leaks;
	var
	i: Integer;
	begin
	for i := 0 to High(Blocks) do
	if not Blocks[i]^.freed then
	Writeln('Memory leak: block at ', Blocks[i]^.addr, ' size=', Blocks[i]^.size);
	end;

	{ --- C shim declarations (must match the C shim below) --- }
	type
	TCUResult = cint;

	procedure cuda_init; cdecl; external 'libcuda_shim.so';
	procedure cuda_finalize; cdecl; external 'libcuda_shim.so';
	function cuda_alloc(size: NativeUInt): Pointer; cdecl; external 'libcuda_shim.so';
	procedure cuda_free(p: Pointer); cdecl; external 'libcuda_shim.so';
	function cuda_launch_vector_add(a_dev, b_dev, c_dev: Pointer; n: cint): TCUResult; cdecl; external 'libcuda_shim.so';

	{ --- Pascal wrappers around the C shim --- }
	function host_alloc(size: NativeUInt): Pointer;
	begin
	Result := cuda_alloc(size);
	if Result = nil then
	raise Exception.Create('cuda_alloc failed');
	register_block(Result, size);
	end;

	procedure host_free(p: Pointer);
	var idx: Integer;
	begin
	idx := find_block(p);
	if idx = -1 then
	raise Exception.Create('free: unknown pointer');
	if Blocks[idx]^.freed then
	raise Exception.Create('double free detected');
	Blocks[idx]^.freed := True;
	cuda_free(p);
	end;

	{ --- Test: vector add on GPU --- }
	procedure test_vector_add(n: Integer);
	var
	bytes: NativeUInt;
	a_dev, b_dev, c_dev: Pointer;
	i: Integer;
	hostA, hostB, hostC: PSingle;
	res: TCUResult;
	begin
	bytes := NativeUInt(n) * SizeOf(Single);
	a_dev := host_alloc(bytes);
	b_dev := host_alloc(bytes);
	c_dev := host_alloc(bytes);

	{ prepare host buffers (on CPU) and copy via shim if needed; for simplicity we assume shim provides device alloc only and kernel uses device memory }
	{ In a real system, add cuda_memcpy_host_to_device and device_to_host functions }

	res := cuda_launch_vector_add(a_dev, b_dev, c_dev, n);
	if res <> 0 then
	Writeln('Kernel launch failed: ', res)
	else
	Writeln('Kernel launched successfully');

	{ cleanup }
	host_free(a_dev);
	host_free(b_dev);
	host_free(c_dev);
	end;

	{ --- Main --- }
	begin
	try
	Writeln('Initializing CUDA shim...');
	cuda_init();
	Writeln('Allocating and launching test kernel...');
	test_vector_add(1024);
	Writeln('Finalizing...');
	cuda_finalize();
	check_no_leaks();
	Writeln('Done.');
	except
	on E: Exception do
	Writeln('Error: ', E.ClassName, ': ', E.Message);
	end;
	end.