feat! breaking changes on kernel sources.

Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>

14 files changed, 0 insertions, 1766 deletions

diff --git a/dev/boot/BootKit/BitManip.h b/dev/boot/BootKit/BitManip.h
deleted file mode 100644
index 32795328..00000000
--- a/dev/boot/BootKit/BitManip.h
+++ /dev/null
@@ -1,20 +0,0 @@
-/* ========================================
-
-  Copyright (C) 2024-2025, Amlal El Mahrouss, licensed under the Apache 2.0 license.
-
-======================================== */
-
-#ifndef __BITMANIP_H__
-#define __BITMANIP_H__
-
-/// File: BitManip.h
-/// Purpose: Bit manipulation helpers, based on neboot-dev.
-
-#define bk_set_bit(X, O) X = (1 << O) | X
-#define bk_clear_bit(X, O) X = ~(1 << O) & X
-#define bk_toogle(X, O) X = (1 << O) ^ X
-#define bk_lsb(X) X = X & -X
-#define bk_msb(X) X = -(mp_lsb(X)) & X
-#define bk_look_for_bit(X, O) (1 << O) | X
-
-#endif  // ifndef __BITMANIP_H__
diff --git a/dev/boot/BootKit/BootKit.h b/dev/boot/BootKit/BootKit.h
deleted file mode 100644
index e1a2b628..00000000
--- a/dev/boot/BootKit/BootKit.h
+++ /dev/null
@@ -1,335 +0,0 @@
-/* ========================================
-
-  Copyright (C) 2024-2025, Amlal El Mahrouss, licensed under the Apache 2.0 license.
-
-======================================== */
-
-/***********************************************************************************/
-/// @file BootKit.h
-/// @brief Bootloader Application Programming Interface.
-/***********************************************************************************/
-
-#pragma once
-
-#include <BootKit/HW/ATA.h>
-#include <CompilerKit/Version.h>
-#include <modules/CoreGfx/CoreGfx.h>
-
-/// include NeFS header and Support header as well.
-
-#include <BootKit/Support.h>
-#include <FSKit/NeFS.h>
-
-/***********************************************************************************/
-/// Include other APIs.
-/***********************************************************************************/
-
-#include <NeKit/Defines.h>
-#include <modules/ATA/ATA.h>
-
-#include <FirmwareKit/EFI.h>
-#include <FirmwareKit/EPM.h>
-#include <FirmwareKit/GPT.h>
-#include <FirmwareKit/VEPM.h>
-
-#define kBKBootFileMime "boot-x/file"
-#define kBKBootDirMime "boot-x/dir"
-
-/***********************************************************************************/
-/// Framebuffer helpers.
-/***********************************************************************************/
-
-namespace Boot {
-void ThrowError(const WideChar* errorCode, const WideChar* reason) noexcept;
-
-class BootTextWriter;
-class BootFileReader;
-class BootThread;
-class BVersionString;
-
-typedef Char* PEFImagePtr;
-typedef Char* PEImagePtr;
-
-typedef WideChar CharacterTypeUTF16;
-typedef Char     CharacterTypeASCII;
-typedef char8_t  CharacterTypeUTF8;
-
-using namespace Kernel;
-
-/**
- * @brief BootKit Text Writer class
- * Writes to UEFI StdOut.
- */
-class BootTextWriter final {
-  BootTextWriter& _Write(const UInt64& num);
-
- public:
-  BootTextWriter& Write(const UInt64& num);
-  BootTextWriter& Write(const Char* str);
-  BootTextWriter& Write(const CharacterTypeUTF16* str);
-  BootTextWriter& WriteCharacter(CharacterTypeUTF16 c);
-  BootTextWriter& Write(const UChar* str);
-
-  template <typename T>
-  BootTextWriter& operator<<(T elem) {
-    this->Write(elem);
-    return *this;
-  }
-
- public:
-  explicit BootTextWriter() = default;
-  ~BootTextWriter()         = default;
-
- public:
-  BootTextWriter& operator=(const BootTextWriter&) = default;
-  BootTextWriter(const BootTextWriter&)            = default;
-};
-
-Kernel::SizeT BCopyMem(CharacterTypeUTF16* dest, CharacterTypeUTF16* src, const Kernel::SizeT len);
-
-Kernel::SizeT BSetMem(CharacterTypeASCII* src, const CharacterTypeASCII byte,
-                      const Kernel::SizeT len);
-
-/// String length functions.
-
-/// @brief get string length.
-Kernel::SizeT BStrLen(const CharacterTypeUTF16* ptr);
-
-/// @brief set memory with custom value.
-Kernel::SizeT BSetMem(CharacterTypeUTF16* src, const CharacterTypeUTF16 byte,
-                      const Kernel::SizeT len);
-
-/**
- * @brief BootKit File Reader class
- * Reads the Firmware Boot partition and filesystem.
- */
-class BootFileReader final {
- public:
-  explicit BootFileReader(const CharacterTypeUTF16* path, EfiHandlePtr ImageHandle);
-  ~BootFileReader();
-
- public:
-  Void ReadAll(SizeT until, SizeT chunk = kib_cast(4), UIntPtr out_address = 0UL);
-
-  enum {
-    kOperationOkay,
-    kNotSupported,
-    kEmptyDirectory,
-    kNoSuchEntry,
-    kIsDirectory,
-    kTooSmall,
-    kCount,
-  };
-
-  /// @brief error code getter.
-  /// @return the error code.
-  Int32& Error();
-
-  /// @brief blob getter.
-  /// @return the blob.
-  VoidPtr Blob();
-
-  /// @breif Size getter.
-  /// @return the size of the file.
-  UInt64& Size();
-
- public:
-  BootFileReader& operator=(const BootFileReader&) = default;
-  BootFileReader(const BootFileReader&)            = default;
-
- private:
-  Int32              mErrorCode{kOperationOkay};
-  VoidPtr            mBlob{nullptr};
-  CharacterTypeUTF16 mPath[kPathLen];
-  BootTextWriter     mWriter;
-  EfiFileProtocol*   mFile{nullptr};
-  UInt64             mSizeFile{0};
-  EfiFileProtocol*   mRootFs;
-};
-
-typedef UInt8* BlobType;
-
-/// @brief Bootloader Version String.
-class BVersionString final {
- public:
-  static const CharacterTypeASCII* The() { return BOOTLOADER_VERSION; }
-};
-
-/***********************************************************************************/
-/// Provide some useful processor features.
-/***********************************************************************************/
-
-#ifdef __EFI_x86_64__
-
-/***
- * Common processor instructions.
- */
-
-EXTERN_C void   rt_out8(UInt16 port, UInt8 value);
-EXTERN_C void   rt_out16(UInt16 port, UInt16 value);
-EXTERN_C void   rt_out32(UInt16 port, UInt32 value);
-EXTERN_C UInt8  rt_in8(UInt16 port);
-EXTERN_C UInt16 rt_in16(UInt16 port);
-EXTERN_C UInt32 rt_in32(UInt16 port);
-
-EXTERN_C void rt_halt();
-EXTERN_C void rt_cli();
-EXTERN_C void rt_sti();
-EXTERN_C void rt_cld();
-EXTERN_C void rt_std();
-
-#endif  // __EFI_x86_64__
-
-/// @brief BootKit Drive Formatter.
-template <typename BootDev>
-class BDiskFormatFactory final {
- public:
-  /// @brief File entry for **BDiskFormatFactory**.
-  struct BFileDescriptor final {
-    Char  fFileName[kNeFSCatalogNameLen];
-    Int32 fKind;
-  };
-
- public:
-  explicit BDiskFormatFactory() = default;
-  ~BDiskFormatFactory()         = default;
-
-  NE_COPY_DELETE(BDiskFormatFactory)
-
-  /// @brief Format disk using partition name and blob.
-  /// @param Partition part_name the target partition name.
-  /// @param blob blobs array.
-  /// @param blob_sz blobs array count.
-  /// @retval True disk has been formatted.
-  /// @retval False failed to format.
-  Boolean Format(const Char* part_name);
-
-  /// @brief check if partition is good.
-  Bool IsPartitionValid() noexcept {
-#if defined(BOOTZ_EPM_SUPPORT)
-    fDiskDev.Leak().mBase = (kEPMBootBlockLba);
-    fDiskDev.Leak().mSize = sizeof(EPM_PART_BLOCK);
-
-    EPM_PART_BLOCK buf_epm = {};
-
-    fDiskDev.Read((Char*) &buf_epm, sizeof(EPM_PART_BLOCK));
-
-    if (StrCmp(buf_epm.Magic, kEPMMagic) > 0) {
-      return false;
-    }
-
-    if (buf_epm.Version != kEPMRevisionBcd) {
-      return false;
-    }
-
-    BootTextWriter writer;
-    writer.Write("BootZ: EPM Partition found.\r");
-
-    return true;
-#else
-    GPT_PARTITION_TABLE* gpt_part = (GPT_PARTITION_TABLE*) RTL_ALLOCA(sizeof(GPT_PARTITION_TABLE));
-
-    fDiskDev.Leak().mBase = (kGPTPartitionTableLBA);
-    fDiskDev.Leak().mSize = sizeof(GPT_PARTITION_TABLE);
-
-    fDiskDev.Read((Char*) gpt_part, sizeof(GPT_PARTITION_TABLE));
-
-    BootTextWriter writer;
-
-    if (StrCmp(gpt_part->Signature, kMagicGPT) == 0) {
-      writer.Write("BootZ: GPT Partition found.\r");
-      return true;
-    }
-
-    writer.Write("BootZ: No Partition found.\r");
-
-    return false;
-#endif
-  }
-
- private:
-  BootDev fDiskDev;
-};
-
-/// @brief Format disk with a specific partition scheme.
-/// @param part_name partition Name
-/// @retval True disk has been formatted.
-/// @retval False failed to format.
-template <typename BootDev>
-inline Boolean BDiskFormatFactory<BootDev>::Format(const Char* part_name) {
-#if defined(BOOTZ_EPM_SUPPORT)
-  EPM_PART_BLOCK* epm_boot = (EPM_PART_BLOCK*) RTL_ALLOCA(sizeof(EPM_PART_BLOCK));
-
-  const auto kFsName    = "NeKernel";
-  const auto kBlockName = " NeKernelOS";
-
-  epm_boot->FsVersion = 0;
-  epm_boot->LbaStart  = sizeof(EPM_PART_BLOCK);
-  epm_boot->LbaEnd    = fDiskDev.GetDiskSize() - 1;
-  epm_boot->SectorSz  = BootDev::kSectorSize;
-  epm_boot->Kind      = kEPMNeKernel;
-  epm_boot->NumBlocks = 1;
-
-  epm_boot->Guid = kEPMNilGuid;
-
-  CopyMem(epm_boot->Fs, reinterpret_cast<VoidPtr>(const_cast<Char*>(kFsName)), StrLen(kFsName));
-  CopyMem(epm_boot->Name, reinterpret_cast<VoidPtr>(const_cast<Char*>(kBlockName)),
-          StrLen(kBlockName));
-  CopyMem(epm_boot->Magic, reinterpret_cast<VoidPtr>(const_cast<Char*>(kEPMMagic)),
-          StrLen(kEPMMagic));
-
-  fDiskDev.Leak().mBase = kEPMBootBlockLba;  // always always resies at zero block.
-  fDiskDev.Leak().mSize = sizeof(EPM_PART_BLOCK);
-
-  fDiskDev.Write((Char*) epm_boot, sizeof(EPM_PART_BLOCK));
-
-  BootTextWriter writer;
-  writer.Write(L"BootZ: Drive is EPM formatted.\r");
-#elif defined(BOOTZ_GPT_SUPPORT)
-  NE_UNUSED(part_name);
-
-  GPT_PARTITION_TABLE* gpt_part = (GPT_PARTITION_TABLE*) RTL_ALLOCA(sizeof(GPT_PARTITION_TABLE));
-
-  CopyMem(gpt_part->Signature, reinterpret_cast<VoidPtr>(const_cast<Char*>(kMagicGPT)),
-          StrLen(kMagicGPT));
-
-  gpt_part->Revision = 0x00010000;
-  gpt_part->HeaderSize = sizeof(GPT_PARTITION_TABLE);
-
-  gpt_part->CRC32 = 0x00000000;
-
-  gpt_part->Reserved1 = 0x00000000;
-  gpt_part->LBAHeader = 0x00000000;
-  gpt_part->LBAAltHeader = 0x00000000;
-  gpt_part->FirstGPTEntry = 0x00000000;
-  gpt_part->LastGPTEntry = 0x00000000;
-
-  gpt_part->Guid.Data1 = 0x00000000;
-  gpt_part->Guid.Data2 = 0x0000;
-  gpt_part->Guid.Data3 = 0x0000;
-
-  SetMem(gpt_part->Guid.Data4, 0, 8);
-
-  gpt_part->Revision = 0x00010000;
-
-  gpt_part->StartingLBA = 0x00000000;
-  gpt_part->NumPartitionEntries = 0x00000000;
-  gpt_part->SizeOfEntries = 0x00000000;
-  gpt_part->CRC32PartEntry = 0x00000000;
-
-  SetMem(gpt_part->Reserved2, 0, kSectorAlignGPT_PartTbl);
-
-  fDiskDev.Leak().mBase = kGPTPartitionTableLBA;  // always always resies at zero block.
-  fDiskDev.Leak().mSize = sizeof(GPT_PARTITION_TABLE);
-
-  fDiskDev.Write((Char*) gpt_part, sizeof(GPT_PARTITION_TABLE));
-
-  BootTextWriter writer;
-  writer.Write(L"BootZ: Drive is GPT formatted.\r");
-#else
-  NE_UNUSED(part_name);
-#endif
-
-  return YES;
-}
-}  // namespace Boot
diff --git a/dev/boot/BootKit/BootThread.h b/dev/boot/BootKit/BootThread.h
deleted file mode 100644
index abe4d653..00000000
--- a/dev/boot/BootKit/BootThread.h
+++ /dev/null
@@ -1,41 +0,0 @@
-/* ========================================
-
-  Copyright (C) 2024-2025, Amlal El Mahrouss, licensed under the Apache 2.0 license.
-
-======================================== */
-
-#pragma once
-
-#include <FirmwareKit/Handover.h>
-#include <KernelKit/MSDOS.h>
-#include <KernelKit/PE.h>
-
-namespace Boot {
-using namespace Kernel;
-
-class BootThread;
-
-/// @brief Bootloader Thread class.
-class BootThread final {
- public:
-  explicit BootThread() = delete;
-  ~BootThread()         = default;
-
-  explicit BootThread(Kernel::VoidPtr blob);
-
-  BootThread& operator=(const BootThread&) = default;
-  BootThread(const BootThread&)            = default;
-
-  Int32       Start(HEL::BootInfoHeader* handover, BOOL is_own_stack);
-  void        SetName(const char* name);
-  const char* GetName();
-  bool        IsValid();
-
- private:
-  Char                 fBlobName[256U] = {"BootThread"};
-  VoidPtr              fStartAddress{nullptr};
-  VoidPtr              fBlob{nullptr};
-  UInt8*               fStack{nullptr};
-  HEL::BootInfoHeader* fHandover{nullptr};
-};
-}  // namespace Boot
diff --git a/dev/boot/BootKit/Device.h b/dev/boot/BootKit/Device.h
deleted file mode 100644
index 36e2b3d4..00000000
--- a/dev/boot/BootKit/Device.h
+++ /dev/null
@@ -1,35 +0,0 @@
-/* ========================================
-
-  Copyright (C) 2024-2025, Amlal El Mahrouss, licensed under the Apache 2.0 license.
-
-======================================== */
-
-#pragma once
-
-#include <modules/AHCI/AHCI.h>
-#include <modules/ATA/ATA.h>
-
-namespace Kernel {
-/// @brief Device type.
-class Device {
- public:
-  explicit Device() = default;
-  virtual ~Device() = default;
-
-  NE_MOVE_DEFAULT(Device)
-
-  struct Trait {
-    SizeT mBase{0};
-    SizeT mSize{0};
-  };
-
-  virtual Trait& Leak() = 0;
-
-  virtual Device& Read(Char* Buf, SizeT SecCount)  = 0;
-  virtual Device& Write(Char* Buf, SizeT SecCount) = 0;
-};
-
-typedef Device BootDevice;
-typedef Device NetworkDevice;
-typedef Device DiskDevice;
-}  // namespace Kernel
\ No newline at end of file
diff --git a/dev/boot/BootKit/EPM.h b/dev/boot/BootKit/EPM.h
deleted file mode 100644
index cc82dd41..00000000
--- a/dev/boot/BootKit/EPM.h
+++ /dev/null
@@ -1,9 +0,0 @@
-/* ========================================
-
-  Copyright (C) 2024-2025, Amlal El Mahrouss, licensed under the Apache 2.0 license.
-
-======================================== */
-
-#pragma once
-
-#include <FirmwareKit/EPM.h>
diff --git a/dev/boot/BootKit/HW/ATA.h b/dev/boot/BootKit/HW/ATA.h
deleted file mode 100644
index 25629869..00000000
--- a/dev/boot/BootKit/HW/ATA.h
+++ /dev/null
@@ -1,47 +0,0 @@
-/* ========================================
-
-  Copyright (C) 2024-2025, Amlal El Mahrouss, licensed under the Apache 2.0 license.
-
-======================================== */
-
-#pragma once
-
-#include <BootKit/Device.h>
-#include <modules/ATA/ATA.h>
-
-using namespace Kernel;
-
-class BootDeviceATA final : public Device {
- public:
-  enum {
-    kPrimary   = ATA_PRIMARY_IO,
-    kSecondary = ATA_SECONDARY_IO,
-  };
-
-  explicit BootDeviceATA() noexcept;
-  ~BootDeviceATA() = default;
-
-  enum { kSectorSize = kATASectorSize };
-
-  struct ATATrait final : public Device::Trait {
-    UInt16  mBus{kPrimary};
-    UInt8   mMaster{0};
-    Boolean mErr{false};
-
-    operator bool() { return !mErr; }
-  };
-
- public:
-  operator bool();
-
-  SizeT GetSectorsCount() noexcept;
-  SizeT GetDiskSize() noexcept;
-
-  BootDeviceATA& Read(Char* Buf, SizeT SecCount) override;
-  BootDeviceATA& Write(Char* Buf, SizeT SecCount) override;
-
-  ATATrait& Leak() override;
-
- private:
-  ATATrait mTrait;
-};
diff --git a/dev/boot/BootKit/HW/SATA.h b/dev/boot/BootKit/HW/SATA.h
deleted file mode 100644
index 07ce7611..00000000
--- a/dev/boot/BootKit/HW/SATA.h
+++ /dev/null
@@ -1,42 +0,0 @@
-/* ========================================
-
-  Copyright (C) 2024-2025, Amlal El Mahrouss, licensed under the Apache 2.0 license.
-
-======================================== */
-
-#pragma once
-
-#include <BootKit/BootKit.h>
-#include <CompilerKit/CompilerKit.h>
-#include <modules/AHCI/AHCI.h>
-
-#define kAHCISectorSz (512)
-
-class BootDeviceSATA final {
- public:
-  explicit BootDeviceSATA() noexcept;
-  ~BootDeviceSATA() = default;
-
-  NE_COPY_DEFAULT(BootDeviceSATA)
-
-  struct SATATrait final : public Device::Trait {
-    Kernel::Boolean mErr{false};
-    Kernel::Boolean mDetected{false};
-
-    operator bool() { return !this->mErr; }
-  };
-
-  operator bool() { return this->Leak().mDetected; }
-
-  SizeT GetDiskSize() { return drv_std_get_size(); }
-
-  constexpr static auto kSectorSize = kAHCISectorSize;
-
-  BootDeviceSATA& Read(Boot::CharacterTypeASCII* Buf, const Kernel::SizeT SecCount);
-  BootDeviceSATA& Write(Boot::CharacterTypeASCII* Buf, const Kernel::SizeT SecCount);
-
-  SATATrait& Leak();
-
- private:
-  SATATrait mTrait;
-};
diff --git a/dev/boot/BootKit/Platform.h b/dev/boot/BootKit/Platform.h
deleted file mode 100644
index bfc738fc..00000000
--- a/dev/boot/BootKit/Platform.h
+++ /dev/null
@@ -1,32 +0,0 @@
-/* ========================================
-
-  Copyright (C) 2024-2025, Amlal El Mahrouss, licensed under the Apache 2.0 license.
-
-======================================== */
-
-#pragma once
-
-/**
-  @file Platform.h
-  @brief Platform specific code.
-*/
-
-#ifdef __x86_64__
-
-#ifdef __cplusplus
-#ifndef EXTERN_C
-#define EXTERN_C extern "C"
-#endif
-#else
-#ifndef EXTERN_C
-#define EXTERN_C extern
-#endif
-#endif  // __cplusplus
-
-EXTERN_C void rt_halt();
-EXTERN_C void rt_cli();
-EXTERN_C void rt_sti();
-EXTERN_C void rt_cld();
-EXTERN_C void rt_std();
-
-#endif /* ifdef __x86_64__ */
diff --git a/dev/boot/BootKit/Protocol.h b/dev/boot/BootKit/Protocol.h
deleted file mode 100644
index 0a049b77..00000000
--- a/dev/boot/BootKit/Protocol.h
+++ /dev/null
@@ -1,10 +0,0 @@
-/* ========================================
-
-  Copyright (C) 2024-2025, Amlal El Mahrouss, licensed under the Apache 2.0 license.
-
-======================================== */
-
-#pragma once
-
-#include <FirmwareKit/EFI.h>
-#include <FirmwareKit/Handover.h>
diff --git a/dev/boot/BootKit/Qr.h b/dev/boot/BootKit/Qr.h
deleted file mode 100644
index f537aa5e..00000000
--- a/dev/boot/BootKit/Qr.h
+++ /dev/null
@@ -1,797 +0,0 @@
-#ifndef QR_H
-#define QR_H
-
-#include <BootKit/Shared/base.h>
-#include <BootKit/Shared/bit.h>
-
-#include <BootKit/QrPrelude.h>
-#include <BootKit/Support.h>
-#include <CompilerKit/Detail.h>
-#include <modules/CoreGfx/CoreGfx.h>
-
-/// @note the QR code is still code 128, it utilizes the same concept of having it's own character
-/// set.
-
-namespace qr {
-inline uint8_t min_poly = 0b11101, /* Minimal polynomial x^8 + x^4 + x^3 + x^2 + 1 */
-    generator           = 0b10;    /* Generator of Galois field */
-
-/// @brief galois finite field multiplication.
-inline uint8_t gf_mul(uint8_t a, uint8_t b) {
-  uint8_t res = 0;
-
-  for (; b; b >>= 1) {
-    if (b & 1) res ^= a;
-    if (a & 0x80)
-      a = (a << 1) ^ min_poly;
-    else
-      a <<= 1;
-  }
-
-  return res;
-}
-
-// Size of Ecc block with respect to level and version. 0 version is for
-// padding.
-constexpr int ECC_CODEWORDS_PER_BLOCK[4][41] = {
-    {0,  7,  10, 15, 20, 26, 18, 20, 24, 30, 18, 20, 24, 26, 30, 22, 24, 28, 30, 28, 28,
-     28, 28, 30, 30, 26, 28, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30},
-    {0,  10, 16, 26, 18, 24, 16, 18, 22, 22, 26, 30, 22, 22, 24, 24, 28, 28, 26, 26, 26,
-     26, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28},
-    {0,  13, 22, 18, 26, 18, 24, 18, 22, 20, 24, 28, 26, 24, 20, 30, 24, 28, 28, 26, 30,
-     28, 30, 30, 30, 30, 28, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30},
-    {0,  17, 28, 22, 16, 22, 28, 26, 26, 24, 28, 24, 28, 22, 24, 24, 30, 28, 28, 26, 28,
-     30, 24, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30},
-};
-
-// Number of Ecc blocks with respect to level and version. 0 version is for
-// padding.
-constexpr int N_ECC_BLOCKS[4][41] = {
-    {0, 1, 1, 1,  1,  1,  2,  2,  2,  2,  4,  4,  4,  4,  4,  6,  6,  6,  6,  7, 8,
-     8, 9, 9, 10, 12, 12, 12, 13, 14, 15, 16, 17, 18, 19, 19, 20, 21, 22, 24, 25},
-    {0,  1,  1,  1,  2,  2,  4,  4,  4,  5,  5,  5,  8,  9,  9,  10, 10, 11, 13, 14, 16,
-     17, 17, 18, 20, 21, 23, 25, 26, 28, 29, 31, 33, 35, 37, 38, 40, 43, 45, 47, 49},
-    {0,  1,  1,  2,  2,  4,  4,  6,  6,  8,  8,  8,  10, 12, 16, 12, 17, 16, 18, 21, 20,
-     23, 23, 25, 27, 29, 34, 34, 35, 38, 40, 43, 45, 48, 51, 53, 56, 59, 62, 65, 68},
-    {0,  1,  1,  2,  4,  4,  4,  5,  6,  8,  8,  11, 11, 16, 16, 18, 16, 19, 21, 25, 25,
-     25, 34, 30, 32, 35, 37, 40, 42, 45, 48, 51, 54, 57, 60, 63, 66, 70, 74, 77, 81},
-};
-
-// Positions of central modules of alignment patterns according to version. 0
-// version is for padding.
-constexpr int ALIGN_POS[41][7] = {
-    {},
-    {0},
-    {6, 18},
-    {6, 22},
-    {6, 26},
-    {6, 30},
-    {6, 34},
-    {6, 22, 38},
-    {6, 24, 42},
-    {6, 26, 46},
-    {6, 28, 50},
-    {6, 30, 54},
-    {6, 32, 58},
-    {6, 34, 62},
-    {6, 26, 46, 66},
-    {6, 26, 48, 70},
-    {6, 26, 50, 74},
-    {6, 30, 54, 78},
-    {6, 30, 56, 82},
-    {6, 30, 58, 86},
-    {6, 34, 62, 90},
-    {6, 28, 50, 72, 94},
-    {6, 26, 50, 74, 98},
-    {6, 30, 54, 78, 102},
-    {6, 28, 54, 80, 106},
-    {6, 32, 58, 84, 110},
-    {6, 30, 58, 86, 114},
-    {6, 34, 62, 90, 118},
-    {6, 26, 50, 74, 98, 122},
-    {6, 30, 54, 78, 102, 126},
-    {6, 26, 52, 78, 104, 130},
-    {6, 30, 56, 82, 108, 134},
-    {6, 34, 60, 86, 112, 138},
-    {6, 30, 58, 86, 114, 142},
-    {6, 34, 62, 90, 118, 146},
-    {6, 30, 54, 78, 102, 126, 150},
-    {6, 24, 50, 76, 102, 128, 154},
-    {6, 28, 54, 80, 106, 132, 158},
-    {6, 32, 58, 84, 110, 136, 162},
-    {6, 26, 54, 82, 110, 138, 166},
-    {6, 30, 58, 86, 114, 142, 170},
-};
-
-// Return n-th bit of arr starting from MSB.
-constexpr uint8_t get_bit_r(uint8_t* arr, int n) {
-  return (arr[n >> 3] >> (7 - (n & 7))) & 1;
-}
-
-// Add up to 16 bits to arr. Data starts from MSB as well as each byte of an
-// array.
-constexpr void add_bits(uint16_t data, int n, uint8_t* arr, size_t& pos) {
-  while (n--) {
-    arr[pos >> 3] |= ((data >> n) & 1) << (7 - (pos & 7));
-    ++pos;
-  }
-}
-
-// Translate char to alphanumeric encoding value,
-constexpr int alphanumeric(char c) {
-  if (c >= '0' && c <= '9') return c - '0';
-
-  if (c >= 'A' && c <= 'Z') return c - 'A' + 10;
-
-  switch (c) {
-    case ' ':
-      return 36;
-    case '$':
-      return 37;
-    case '%':
-      return 38;
-    case '*':
-      return 39;
-    case '+':
-      return 40;
-    case '-':
-      return 41;
-    case '.':
-      return 42;
-    case '/':
-      return 43;
-    case ':':
-      return 44;
-  }
-  return -1;
-}
-
-// Check if string can be encoded in alphanumeric mode.
-constexpr bool is_alphanumeric(const char* str, size_t len) {
-  for (size_t i = 0; i < len; ++i)
-    if (alphanumeric(str[i]) == -1) return false;
-  return true;
-}
-
-// Check if string can be encoded in numeric mode.
-constexpr bool is_numeric(const char* str, size_t len) {
-  for (size_t i = 0; i < len; ++i)
-    if (str[i] < '0' || str[i] > '9') return false;
-  return true;
-}
-
-// Check if string can be encoded in kanji mode.
-constexpr bool is_kanji(const char* str, size_t len) {
-  for (size_t i = 0; i < len; i += 2) {
-    uint16_t val = uint16_t(str[i]) | (uint16_t(str[i + 1]) << 8);
-    if (val < 0x8140 || val > 0xebbf || (val > 0x9ffc && val < 0xe040)) return false;
-  }
-  return true;
-}
-
-// Reed-Solomon Ecc generator polynomial for the given degree.
-constexpr void gf_gen_poly(int degree, uint8_t* poly) {
-  SetMem(poly, 0, degree);
-
-  uint8_t root = poly[degree - 1] = 1;
-
-  for (int i = 0; i < degree; ++i) {
-    for (int j = 0; j < degree - 1; ++j) poly[j] = gf_mul(poly[j], root) ^ poly[j + 1];
-    poly[degree - 1] = gf_mul(poly[degree - 1], root);
-    root             = (root << 1) ^ ((root >> 7) * 0x11d);
-  }
-}
-
-// Polynomial division if Galois Field.
-constexpr void gf_poly_div(uint8_t* dividend, size_t len, uint8_t* divisor, int degree,
-                           uint8_t* result) {
-  SetMem(result, 0, degree);
-
-  for (size_t i = 0; i < len; ++i) {
-    uint8_t factor = dividend[i] ^ result[0];
-    MoveMem(&result[0], &result[1], degree - 1);
-    result[degree - 1] = 0;
-    for (int j = 0; j < degree; ++j) result[j] ^= gf_mul(divisor[j], factor);
-  }
-}
-
-enum Ecc {
-  L,
-  M,
-  Q,
-  H,
-};
-
-enum Mode {
-  M_NUMERIC,
-  M_ALPHANUMERIC,
-  M_BYTE,
-  M_KANJI,
-};
-
-// Select appropriate encoding mode for string.
-constexpr Mode select_mode(const char* str, size_t len) {
-  if (is_numeric(str, len)) return M_NUMERIC;
-  if (is_alphanumeric(str, len)) return M_ALPHANUMERIC;
-  if (is_kanji(str, len)) return M_KANJI;
-  return M_BYTE;
-}
-
-// Return size of Character Control Indicator in bits for given version and
-// mode.
-constexpr int cci(int ver, Mode mode) {
-  constexpr int cnt[4][3] = {
-      {10, 12, 14},
-      {9, 11, 13},
-      {8, 16, 16},
-      {8, 10, 12},
-  };
-  if (ver < 10) return cnt[mode][0];
-  if (ver < 27) return cnt[mode][1];
-  return cnt[mode][2];
-}
-
-template <int V>
-struct Qr {
- private:
-  friend class QrDelegate;
-  bool draw(int x, int y) noexcept;
-
- public:
-  constexpr auto side_size() const { return SIDE; }
-
-  bool module(int x, int y);
-  bool encode(const char* str, size_t len, Ecc ecc, int mask = -1);
-
- private:
-  bool encode_data(const char* data, size_t len, Ecc ecc, uint8_t* out);
-  void encode_ecc(uint8_t* data, Ecc ecc, uint8_t* out);
-
-  void add_data(uint8_t* data, uint8_t* patterns);
-  void add_patterns();
-  void add_version();
-  void add_format(Ecc ecc, int mask);
-  void reserve_patterns(uint8_t* out);
-
-  template <bool Black>
-  void draw_rect(int y, int x, int height, int width, uint8_t* out);
-  template <bool Black>
-  void draw_bound(int y, int x, int height, int width, uint8_t* out);
-
-  template <bool Horizontal>
-  int  rule_1_3_score();
-  int  penalty_score();
-  int  select_mask(Ecc ecc, uint8_t* patterns);
-  void apply_mask(int mask, uint8_t* patterns);
-
- private:
-  static_assert(V >= 1 && V <= 40, "invalid version");
-  static constexpr int SIDE          = 17 + V * 4;
-  static constexpr int N_BITS        = SIDE * SIDE;
-  static constexpr int N_ALIGN       = V == 1 ? 0 : V / 7 + 2;
-  static constexpr int N_ALIGN_BITS  = V > 1 ? (N_ALIGN* N_ALIGN - 3) * 25 : 0;
-  static constexpr int N_TIMING_BITS = (SIDE - 16) * 2 - (10 * (V > 1 ? N_ALIGN - 2 : 0));
-  static constexpr int N_VER_BITS    = V > 6 ? 36 : 0;
-  static constexpr int N_DAT_BITS = N_BITS - (192 + N_ALIGN_BITS + N_TIMING_BITS + 31 + N_VER_BITS);
-  static constexpr int N_BYTES    = utl::bytes_in_bits(N_BITS);  // Actual number of bytes_in_bits
-                                                                 // required to store whole Qr code
-  static constexpr int N_DAT_BYTES =
-      utl::bytes_in_bits(N_DAT_BITS);  // Actual number of bytes_in_bits required to store
-                                       // [data + ecc]
-  static constexpr int N_DAT_CAPACITY =
-      N_DAT_BITS >> 3;  // Capacity of [data + ecc] without remainder bits
- private:
-  /// @brief internal function to retrieve bit from a bitset.
-  uint8_t get_arr_bit(uint8_t* arr, unsigned bit) const { return utl::get_arr_bit(arr, bit); }
-
-  /// @brief internal function to set bit from a bitset.
-  void set_arr_bit(uint8_t* arr, unsigned bit) { utl::set_arr_bit(arr, bit); }
-
-  /// @brief internal function to clear bit from a bitset.
-  void clr_arr_bit(uint8_t* arr, unsigned bit) { utl::clr_arr_bit(arr, bit); }
-
-  uint8_t code[N_BYTES] = {};
-
-  bool status = false;
-};
-
-// Get color of a module from left-to-right and top-to-bottom. Black is true.
-template <int V>
-bool Qr<V>::module(int x, int y) {
-  return get_arr_bit(code, y * SIDE + x);
-}
-
-/// @brief draw a new QR code.
-template <int V>
-bool Qr<V>::draw(int whereX, int whereY) noexcept {
-  if (!this->status) return false;  // it may be invalid.
-
-  cg_init();
-
-  for (int y = 0; y < (this->side_size()); ++y) {
-    for (int x = 0; x < (this->side_size()); ++x) {
-      FBDrawInRegion((this->module(x, y) ? RGB(00, 00, 00) : RGB(0xFF, 0xFF, 0xFF)), 1, 1,
-                     x + whereX, y + whereY);
-    }
-  }
-
-  cg_clear();
-
-  return false;
-}
-
-// Create Qr code with given error correction level. If mask == -1,
-// then best mask selected automatically. NOTE: Automatic mask is the
-// most expensive operation. Takes about 95 % of all computation time.
-template <int V>
-bool Qr<V>::encode(const char* str, size_t len, Ecc ecc, int mask) {
-  uint8_t data[N_DAT_BYTES]          = {};
-  uint8_t data_with_ecc[N_DAT_BYTES] = {};
-  uint8_t patterns[N_BYTES]          = {};
-
-  if (!encode_data(str, len, ecc, data)) {
-    return status = false;
-  }
-
-  encode_ecc(data, ecc, data_with_ecc);
-
-  reserve_patterns(patterns);
-  CopyMem(code, patterns, N_BYTES);
-
-  add_data(data_with_ecc, patterns);
-  add_patterns();
-  add_version();
-
-  mask = mask != -1 ? mask & 7 : select_mask(ecc, patterns);
-
-  add_format(ecc, mask);
-  apply_mask(mask, patterns);
-
-  return status = true;
-}
-
-template <int V>
-bool Qr<V>::encode_data(const char* data, size_t len, Ecc ecc, uint8_t* out) {
-  Mode mode = select_mode(data, len);
-
-  size_t n_bits = (N_DAT_CAPACITY - ECC_CODEWORDS_PER_BLOCK[ecc][V] * N_ECC_BLOCKS[ecc][V]) << 3;
-  size_t pos    = 0;
-
-  add_bits(1 << mode, 4, out, pos);
-  add_bits(len, cci(V, mode), out, pos);
-
-  if (mode == M_NUMERIC) {
-    const size_t triplets      = len / 3;
-    const size_t triplets_size = triplets * 3;
-    const size_t rem           = len % 3;
-    const size_t rem_bits      = rem == 2 ? 7 : rem == 1 ? 4 : 0;
-    const size_t total_size    = 10 * triplets + rem_bits;
-
-    if (pos + total_size > n_bits) return false;
-
-    char buf[4] = {};
-
-    for (size_t i = 0; i < triplets_size; i += 3) {
-      buf[0] = data[i];
-      buf[1] = data[i + 1];
-      buf[2] = data[i + 2];
-
-      uint16_t num = StringToLong(buf, NULL, 10);
-      add_bits(num, 10, out, pos);
-    }
-
-    if (rem) {
-      buf[0]   = data[triplets_size];
-      buf[1]   = data[triplets_size + 1];
-      buf[rem] = 0;
-
-      uint16_t num = StringToLong(buf, NULL, 10);
-      add_bits(num, rem_bits, out, pos);
-    }
-  } else if (mode == M_ALPHANUMERIC) {
-    if (pos + 11 * (int(len & ~1ul) / 2) > n_bits) return false;
-
-    for (int i = 0; i < int(len & ~1ul); i += 2) {
-      uint16_t num = alphanumeric(data[i]) * 45 + alphanumeric(data[i + 1]);
-      add_bits(num, 11, out, pos);
-    }
-    if (len & 1) {
-      if (pos + 6 > n_bits) return false;
-
-      add_bits(alphanumeric(data[len - 1]), 6, out, pos);
-    }
-  } else if (mode == M_BYTE) {
-    if (pos + len * 8 > n_bits) return false;
-
-    for (size_t i = 0; i < len; ++i) add_bits(data[i], 8, out, pos);
-  } else {
-    if (pos + 13 * (len / 2) > n_bits) return false;
-
-    for (size_t i = 0; i < len; i += 2) {
-      uint16_t val = ((uint8_t) data[i]) | (((uint8_t) data[i + 1]) << 8);
-      uint16_t res = 0;
-      val -= val < 0x9FFC ? 0x8140 : 0xC140;
-      res += val & 0xff;
-      res += (val >> 8) * 0xc0;
-      add_bits(res, 13, out, pos);
-    }
-  }
-
-  size_t padding = n_bits - pos;
-  size_t i       = 0;
-
-  add_bits(0, padding > 4 ? 4 : padding, out, pos);
-
-  if (pos & 7) add_bits(0, (8 - pos) & 7, out, pos);
-
-  while (pos < n_bits) add_bits(++i & 1 ? 0xec : 0x11, 8, out, pos);
-
-  return true;
-}
-
-template <int V>
-void Qr<V>::encode_ecc(uint8_t* data, Ecc ecc, uint8_t* out) {
-  int n_blocks = N_ECC_BLOCKS[ecc][V];
-  int ecc_len  = ECC_CODEWORDS_PER_BLOCK[ecc][V];
-
-  int n_data_bytes = N_DAT_CAPACITY - ecc_len * n_blocks;
-
-  int n_short_blocks = n_blocks - N_DAT_CAPACITY % n_blocks;
-  int short_len      = N_DAT_CAPACITY / n_blocks - ecc_len;
-
-  uint8_t gen_poly[30];
-  uint8_t ecc_buf[30];
-
-  gf_gen_poly(ecc_len, gen_poly);
-
-  uint8_t* data_ptr = data;
-
-  for (int i = 0; i < n_blocks; ++i) {
-    int data_len = short_len;
-
-    if (i >= n_short_blocks) ++data_len;
-
-    gf_poly_div(data_ptr, data_len, gen_poly, ecc_len, ecc_buf);
-
-    for (int j = 0, k = i; j < data_len; ++j, k += n_blocks) {
-      if (j == short_len) k -= n_short_blocks;
-      out[k] = data_ptr[j];
-    }
-    for (int j = 0, k = n_data_bytes + i; j < ecc_len; ++j, k += n_blocks) out[k] = ecc_buf[j];
-
-    data_ptr += data_len;
-  }
-}
-
-template <int V>
-void Qr<V>::add_data(uint8_t* data, uint8_t* patterns) {
-  int data_pos = 0;
-
-  for (int x = SIDE - 1; x >= 1; x -= 2) {
-    if (x == 6) x = 5;
-
-    for (int i = 0; i < SIDE; ++i) {
-      int y     = !((x + 1) & 2) ? SIDE - 1 - i : i;
-      int coord = y * SIDE + x;
-
-      if (!get_arr_bit(patterns, coord)) {
-        if (get_bit_r(data, data_pos)) set_arr_bit(code, coord);
-
-        ++data_pos;
-      }
-
-      if (!get_arr_bit(patterns, coord - 1)) {
-        if (get_bit_r(data, data_pos)) set_arr_bit(code, coord - 1);
-
-        ++data_pos;
-      }
-    }
-  }
-}
-
-template <int V>
-void Qr<V>::add_patterns() {
-  // White bounds inside finders
-  draw_bound<false>(1, 1, 5, 5, code);
-  draw_bound<false>(1, SIDE - 6, 5, 5, code);
-  draw_bound<false>(SIDE - 6, 1, 5, 5, code);
-
-  // Finish alignment patterns
-  for (int i = 0; i < N_ALIGN; ++i) {
-    for (int j = 0; j < N_ALIGN; ++j) {
-      if ((!i && !j) || (!i && j == N_ALIGN - 1) || (!j && i == N_ALIGN - 1)) continue;
-      draw_bound<false>(ALIGN_POS[V][i] - 1, ALIGN_POS[V][j] - 1, 3, 3, code);
-    }
-  }
-
-  // Draw white separators
-  draw_rect<false>(7, 0, 1, 8, code);
-  draw_rect<false>(0, 7, 8, 1, code);
-  draw_rect<false>(SIDE - 8, 0, 1, 8, code);
-  draw_rect<false>(SIDE - 8, 7, 8, 1, code);
-  draw_rect<false>(7, SIDE - 8, 1, 8, code);
-  draw_rect<false>(0, SIDE - 8, 8, 1, code);
-
-  // Perforate timing patterns
-  for (int i = 7; i < SIDE - 7; i += 2) {
-    clr_arr_bit(code, 6 * SIDE + i);
-    clr_arr_bit(code, i * SIDE + 6);
-  }
-}
-
-template <int V>
-void Qr<V>::add_version() {
-  if (V < 7) return;
-
-  uint32_t rem = V;
-
-  for (uint8_t i = 0; i < 12; ++i) rem = (rem << 1) ^ ((rem >> 11) * 0x1F25);
-
-  uint32_t data = V << 12 | rem;
-
-  for (int x = 0; x < 6; ++x) {
-    for (int j = 0; j < 3; ++j) {
-      int y = SIDE - 11 + j;
-
-      bool black = (data >> (x * 3 + j)) & 1;
-
-      if (!black) {
-        clr_arr_bit(code, y * SIDE + x);
-        clr_arr_bit(code, y + SIDE * x);
-      }
-    }
-  }
-}
-
-template <int V>
-void Qr<V>::add_format(Ecc ecc, int mask) {
-  int data = (ecc ^ 1) << 3 | mask;
-  int rem  = data;
-
-  for (int i = 0; i < 10; i++) rem = (rem << 1) ^ ((rem >> 9) * 0b10100110111);
-
-  int res = (data << 10 | rem) ^ 0b101010000010010;
-
-  for (int i = 0; i < 6; ++i) {
-    if ((res >> i) & 1) {
-      set_arr_bit(code, SIDE * 8 + SIDE - 1 - i);
-      set_arr_bit(code, SIDE * i + 8);
-    } else {
-      clr_arr_bit(code, SIDE * 8 + SIDE - 1 - i);
-      clr_arr_bit(code, SIDE * i + 8);
-    }
-  }
-
-  for (int i = 6; i < 8; ++i) {
-    if ((res >> i) & 1) {
-      set_arr_bit(code, SIDE * 8 + SIDE - 1 - i);
-      set_arr_bit(code, SIDE * (i + 1) + 8);
-    } else {
-      clr_arr_bit(code, SIDE * 8 + SIDE - 1 - i);
-      clr_arr_bit(code, SIDE * (i + 1) + 8);
-    }
-  }
-
-  if ((res >> 8) & 1) {
-    set_arr_bit(code, SIDE * 8 + 7);
-    set_arr_bit(code, SIDE * (SIDE - 7) + 8);
-  } else {
-    clr_arr_bit(code, SIDE * 8 + 7);
-    clr_arr_bit(code, SIDE * (SIDE - 7) + 8);
-  }
-
-  for (int i = 9, j = 5; i < 15; ++i, --j) {
-    if ((res >> i) & 1) {
-      set_arr_bit(code, SIDE * 8 + j);
-      set_arr_bit(code, SIDE * (SIDE - 1 - j) + 8);
-    } else {
-      clr_arr_bit(code, SIDE * 8 + j);
-      clr_arr_bit(code, SIDE * (SIDE - 1 - j) + 8);
-    }
-  }
-}
-
-template <int V>
-template <bool B>
-void Qr<V>::draw_rect(int y, int x, int height, int width, uint8_t* out) {
-  if (B) {
-    for (int dy = y * SIDE; dy < (y + height) * SIDE; dy += SIDE)
-      for (int dx = x; dx < x + width; ++dx) set_arr_bit(out, dy + dx);
-  } else {
-    for (int dy = y * SIDE; dy < (y + height) * SIDE; dy += SIDE)
-      for (int dx = x; dx < x + width; ++dx) clr_arr_bit(out, dy + dx);
-  }
-}
-
-template <int V>
-template <bool B>
-void Qr<V>::draw_bound(int y, int x, int height, int width, uint8_t* out) {
-  if (B) {
-    for (int i = y * SIDE + x; i < y * SIDE + x + width; ++i) set_arr_bit(out, i);
-    for (int i = (y + height - 1) * SIDE + x; i < (y + height - 1) * SIDE + x + width; ++i)
-      set_arr_bit(out, i);
-    for (int i = (y + 1) * SIDE + x; i < (y + height - 1) * SIDE + x; i += SIDE)
-      set_arr_bit(out, i);
-    for (int i = (y + 1) * SIDE + x + width - 1; i < (y + height - 1) * SIDE + x + width - 1;
-         i += SIDE)
-      set_arr_bit(out, i);
-  } else {
-    for (int i = y * SIDE + x; i < y * SIDE + x + width; ++i) clr_arr_bit(out, i);
-    for (int i = (y + height - 1) * SIDE + x; i < (y + height - 1) * SIDE + x + width; ++i)
-      clr_arr_bit(out, i);
-    for (int i = (y + 1) * SIDE + x; i < (y + height - 1) * SIDE + x; i += SIDE)
-      clr_arr_bit(out, i);
-    for (int i = (y + 1) * SIDE + x + width - 1; i < (y + height - 1) * SIDE + x + width - 1;
-         i += SIDE)
-      clr_arr_bit(out, i);
-  }
-}
-
-template <int V>
-void Qr<V>::reserve_patterns(uint8_t* out) {
-  draw_rect<true>(0, 6, SIDE, 1, out);
-  draw_rect<true>(6, 0, 1, SIDE, out);
-
-  draw_rect<true>(0, 0, 9, 9, out);
-  draw_rect<true>(SIDE - 8, 0, 8, 9, out);
-  draw_rect<true>(0, SIDE - 8, 9, 8, out);
-
-  for (int i = 0; i < N_ALIGN; ++i) {
-    for (int j = 0; j < N_ALIGN; ++j) {
-      if ((!i && !j) || (!i && j == N_ALIGN - 1) || (!j && i == N_ALIGN - 1)) continue;
-      draw_rect<true>(ALIGN_POS[V][i] - 2, ALIGN_POS[V][j] - 2, 5, 5, out);
-    }
-  }
-
-  if (V >= 7) {
-    draw_rect<true>(SIDE - 11, 0, 3, 6, out);
-    draw_rect<true>(0, SIDE - 11, 6, 3, out);
-  }
-}
-
-template <int V>
-template <bool H>
-int Qr<V>::rule_1_3_score() {
-  constexpr int y_max  = H ? N_BITS : SIDE;
-  constexpr int x_max  = H ? SIDE : N_BITS;
-  constexpr int y_step = H ? SIDE : 1;
-  constexpr int x_step = H ? 1 : SIDE;
-
-  int res = 0;
-
-  for (int y = 0; y < y_max; y += y_step) {
-    bool color  = get_arr_bit(code, y);
-    int  finder = color;
-    int  cnt    = 1;
-    for (int x = 1; x < x_max; x += x_step) {
-      if (get_arr_bit(code, y + x) == color) {
-        ++cnt;
-        if (cnt == 5) res += 3;
-        if (cnt > 5) ++res;
-      } else {
-        color = !color;
-        cnt   = 1;
-      }
-      // Finder-like
-      finder = ((finder << 1) & 0x7ff) | color;
-      if (x >= x_step * 10) {
-        if (finder == 0x05d || finder == 0x5d0) res += 40;
-      }
-    }
-  }
-  return res;
-}
-
-template <int V>
-int Qr<V>::penalty_score() {
-  int res = 0;
-
-  res += rule_1_3_score<true>();
-  res += rule_1_3_score<false>();
-
-  for (int y = 0; y < N_BITS - SIDE; y += SIDE) {
-    for (int x = 0; x < SIDE - 1; ++x) {
-      bool c = get_arr_bit(code, y + x);
-
-      if (c == get_arr_bit(code, y + x + 1) && c == get_arr_bit(code, y + x + SIDE) &&
-          c == get_arr_bit(code, y + x + SIDE + 1))
-        res += 3;
-    }
-  }
-
-  int black = 0;
-  for (int y = 0; y < N_BITS; y += SIDE) {
-    for (int x = 0; x < SIDE; ++x) black += get_arr_bit(code, y + x);
-  }
-  res += abs((black * 100) / N_BITS - 50) / 5 * 10;
-
-  return res;
-}
-
-template <int V>
-int Qr<V>::select_mask(Ecc ecc, uint8_t* patterns) {
-  unsigned min_score = -1;
-  unsigned score     = 0;
-  uint8_t  mask      = 0;
-
-  for (int i = 0; i < 8; ++i) {
-    add_format(ecc, i);
-    apply_mask(i, patterns);
-    score = penalty_score();
-    if (score < min_score) {
-      mask      = i;
-      min_score = score;
-    }
-    apply_mask(i, patterns);
-  }
-  return mask;
-}
-
-template <int V>
-void Qr<V>::apply_mask(int mask, uint8_t* patterns) {
-  for (int y = 0, dy = 0; y < SIDE; ++y, dy += SIDE) {
-    for (int x = 0; x < SIDE; ++x) {
-      int coord = dy + x;
-
-      if (get_arr_bit(patterns, coord)) continue;
-
-      bool keep = true;
-
-      switch (mask) {
-        case 0:
-          keep = (x + y) & 1;
-          break;
-        case 1:
-          keep = y & 1;
-          break;
-        case 2:
-          keep = x % 3;
-          break;
-        case 3:
-          keep = (x + y) % 3;
-          break;
-        case 4:
-          keep = (y / 2 + x / 3) & 1;
-          break;
-        case 5:
-          keep = x * y % 2 + x * y % 3;
-          break;
-        case 6:
-          keep = (x * y % 2 + x * y % 3) & 1;
-          break;
-        case 7:
-          keep = ((x + y) % 2 + x * y % 3) & 1;
-          break;
-      }
-
-      if (!keep) {
-        if (get_arr_bit(code, coord))
-          clr_arr_bit(code, coord);
-        else
-          set_arr_bit(code, coord);
-      }
-    }
-  }
-}
-
-/// @brief QR code encoder class.
-class QrDelegate final {
- public:
-  explicit QrDelegate() = default;
-  ~QrDelegate()         = default;
-
-  NE_COPY_DEFAULT(QrDelegate)
-
-  /// @brief Draw method delegate.
-  template <Int32 V>
-  bool draw(Qr<V>& subject, Int32 x, Int32 y) noexcept {
-    return subject.draw(x, y);
-  }
-};
-}  // namespace qr
-
-namespace Kernel::Qr {
-using namespace qr;
-}  // namespace Kernel::Qr
-
-#endif  // QR_H
\ No newline at end of file
diff --git a/dev/boot/BootKit/QrPrelude.h b/dev/boot/BootKit/QrPrelude.h
deleted file mode 100644
index e89fad7a..00000000
--- a/dev/boot/BootKit/QrPrelude.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <BootKit/BitManip.h>
\ No newline at end of file
diff --git a/dev/boot/BootKit/Shared/base.h b/dev/boot/BootKit/Shared/base.h
deleted file mode 100644
index c95db0cc..00000000
--- a/dev/boot/BootKit/Shared/base.h
+++ /dev/null
@@ -1,24 +0,0 @@
-#ifndef UTL_BASE_H
-#define UTL_BASE_H
-
-#include <math.h>
-#include <stddef.h>
-#include <stdint.h>
-
-namespace utl {
-
-/**
- * @brief Helper to get number of elements in array.
- *
- * @tparam T Auto-deduced element type
- * @tparam N Auto-deduced number of elements
- * @return Array size
- */
-template <class T, size_t N>
-constexpr size_t countof(T (&)[N]) {
-  return N;
-}
-
-}  // namespace utl
-
-#endif
\ No newline at end of file
diff --git a/dev/boot/BootKit/Shared/bit.h b/dev/boot/BootKit/Shared/bit.h
deleted file mode 100644
index 1ac29c89..00000000
--- a/dev/boot/BootKit/Shared/bit.h
+++ /dev/null
@@ -1,228 +0,0 @@
-#ifndef UTL_BIT_H
-#define UTL_BIT_H
-
-#include <bit>
-
-namespace utl {
-
-/**
- * @brief Size of object in terms of bits.
- *
- * @tparam T Object type
- * @return Number of bits
- */
-template <class T>
-constexpr auto bit_size() {
-  return sizeof(T) * 8;
-}
-
-/**
- * @brief Integer with all bits set to 1.
- *
- * @tparam T Integer type
- * @return All set integer
- */
-template <class T>
-constexpr T bit_full() {
-  return T(-1);
-}
-
-/**
- * @brief Wrap around mask for power of two number of bits
- * within given integer type. For example:
- * [ bit_wrap<uint8_t>  = 8  - 1 = 0b111   ]
- * [ bit_wrap<uint16_t> = 16 - 1 = 0b1111  ]
- * [ bit_wrap<uint32_t> = 32 - 1 = 0b11111 ]
- *
- * @tparam T Integer type
- * @return Wrap around mask for number of bits
- */
-template <class T>
-constexpr T bit_wrap() {
-  return bit_size<T>() - 1;
-}
-
-/**
- * @brief Number of bits to fit bit_wrap<T> result, in other words
- * bit width of (sizeof(T) * 8 - 1). For example:
- * [ bit_shft<uint8_t>  = bit_width(0b111)      = 3 ]
- * [ bit_shft<uint16_t> = bit_width(0b1111)     = 4 ]
- * [ bit_shft<uint32_t> = bit_width(0b11111)    = 5 ]
- *
- * @tparam T Integer type
- * @return Number of bits to shift to divide by sizeof(T) * 8
- */
-template <class T>
-constexpr auto bit_shft() {
-  return std::bit_width(bit_wrap<T>());
-}
-
-/**
- * @brief Round up division by number of bits within given integer type,
- * which sizeof(T) * 8 is power of two.
- *
- * @tparam T Inetegr type
- * @param x Dividend
- * @return Quotient
- */
-template <class T>
-constexpr auto bit_ceil(auto x) {
-  return (x + bit_wrap<T>()) >> bit_shft<T>();
-}
-
-/**
- * @brief Count leading zeros.
- *
- * @param x Unsigned integer argument
- * @return Number of leading zeros
- */
-constexpr unsigned cntlz(auto x) {
-  if constexpr (std::is_same_v<decltype(x), int>)
-    return std::countl_zero(unsigned(x));
-  else
-    return std::countl_zero(x);
-}
-
-/**
- * @brief Count trailing zeros.
- *
- * @param x Unsigned integer argument
- * @return Number of trailing zeros
- */
-constexpr unsigned cnttz(auto x) {
-  if constexpr (std::is_same_v<decltype(x), int>)
-    return std::countr_zero(unsigned(x));
-  else
-    return std::countr_zero(x);
-}
-
-/**
- * @brief Get number of words (integers) required to store N bits.
- *
- * @tparam T Word integer type
- * @param n Number of bits to store
- * @return Number of words
- */
-template <class T>
-constexpr size_t words_in_bits(size_t n) {
-  return (n >> bit_shft<T>()) + !!(n & bit_wrap<T>());
-}
-
-/**
- * @brief Get number of bytes required to store N bits.
- *
- * @param n Number of bits to store
- * @return Number of bytes
- */
-constexpr size_t bytes_in_bits(size_t n) {
-  return words_in_bits<uint8_t>(n);
-}
-
-/**
- * @brief Make integer with bit at given position.
- *
- * @tparam T Inetegr type
- * @param n Bit position
- * @return Integer with set bit
- */
-template <class T = unsigned>
-constexpr T bit(int n) {
-  return T(1) << n;
-}
-
-/**
- * @brief Get n-th bit of an integer.
- *
- * @tparam T Integer type
- * @param x Integer
- * @param n Bit position from LSB
- * @return true if set
- */
-template <class T>
-constexpr bool get_bit(T x, int n) {
-  return (x >> n) & 1;
-}
-
-/**
- * @brief Set n-th bit of an integer.
- *
- * @tparam T Integer type
- * @param x Integer
- * @param n Bit position from LSB
- */
-template <class T>
-constexpr void set_bit(T& x, int n) {
-  x |= 1 << n;
-}
-
-/**
- * @brief Clear n-th bit of an integer.
- *
- * @tparam T Integer type
- * @param x Integer
- * @param n Bit position from LSB
- */
-template <class T>
-constexpr void clr_bit(T& x, int n) {
-  x &= ~(1 << n);
-}
-
-/**
- * @brief Get n-th bit in array of words (starting from LSB).
- *
- * @tparam T Word type
- * @param p Array of words
- * @param n Index of bit to get
- * @return true if set
- */
-template <class T>
-constexpr bool get_arr_bit(const T* p, unsigned n) {
-  return get_bit(p[n >> bit_shft<T>()], n & bit_wrap<T>());
-}
-
-/**
- * @brief Set n-th bit in array of words (starting from LSB).
- *
- * @tparam T Word type
- * @param p Array of words
- * @param n Index of bit to set
- */
-template <class T>
-constexpr void set_arr_bit(T* p, unsigned n) {
-  set_bit(p[n >> bit_shft<T>()], n & bit_wrap<T>());
-}
-
-/**
- * @brief Clear n-th bit in array of words (starting from LSB).
- *
- * @tparam T Word type
- * @param p Array of words
- * @param n Index of bit to clear
- */
-template <class T>
-constexpr void clr_arr_bit(T* p, unsigned n) {
-  clr_bit(p[n >> bit_shft<T>()], n & bit_wrap<T>());
-}
-
-/**
- * @brief Shift bits left in array of integer elements from least significant bit
- * and considering 0-th byte as the right most.
- * uint16_t example: 0b10000000'11100001 ==> 0b00000001'11000010.
- *
- * @tparam T Integer type
- * @tparam L Length of array
- * @param x Array of integers, nullptr not acceptable!
- * @param len Number of elements
- */
-template <class T, size_t L>
-constexpr void shift_left(T (&x)[L]) {
-  for (int i = L - 1; i > 0; --i) {
-    x[i] <<= 1;
-    x[i] |= x[i - 1] >> bit_wrap<T>();
-  }
-  x[0] <<= 1;
-}
-
-}  // namespace utl
-
-#endif
\ No newline at end of file
diff --git a/dev/boot/BootKit/Support.h b/dev/boot/BootKit/Support.h
deleted file mode 100644
index 110b220c..00000000
--- a/dev/boot/BootKit/Support.h
+++ /dev/null
@@ -1,145 +0,0 @@
-/* ========================================
-
-  Copyright (C) 2024-2025, Amlal El Mahrouss, licensed under the Apache 2.0 license.
-
-======================================== */
-
-#pragma once
-
-/// @file Support.h
-/// @brief Purpose of this file is to help port libs into the bootloader.
-
-#ifndef __NE_ARM64__
-#include <string.h>
-#endif
-
-#define kLongMax ((long) (~0UL >> 1))
-#define kLongMin (~kLongMax)
-
-#ifdef __BOOTZ__
-
-/// @brief memset definition in C++.
-/// @param dst destination pointer.
-/// @param byte value to fill in.
-/// @param len length of of src.
-EXTERN_C void* memset(void* dst, int byte, long long unsigned int len);
-
-/// @brief memcpy definition in C++.
-/// @param dst destination pointer.
-/// @param  src source pointer.
-/// @param len length of of src.
-EXTERN_C void* memcpy(void* dst, const void* src, long long unsigned int len);
-
-/// @brief strlen definition in C++.
-EXTERN_C size_t strlen(const char* whatToCheck);
-
-/// @brief strcmp definition in C++.
-EXTERN_C int strcmp(const char* whatToCheck, const char* whatToCheckRight);
-
-#else
-
-#ifndef __NE_ARM64__
-#include <string.h>
-#endif
-
-#endif  // __BOOTZ__
-
-#define SetMem(dst, c, sz) memset(dst, c, sz)
-#define MoveMem(dst, src, sz) memcpy(dst, src, sz)
-#define CopyMem(dst, src, sz) memcpy(dst, src, sz)
-#define StrLen(src) strlen(src)
-#define StrCmp(dst, src) strcmp(dst, src)
-
-inline int IsSpace(int c) {
-  return c == ' ';
-}
-
-inline int StringNCompare(const char* destination, const char* source, long length) {
-  long err = 0;
-
-  for (long i = 0UL; i < length; ++i) {
-    if (source[i] != destination[i]) ++err;
-  }
-
-  return err;
-}
-
-inline long StringToLong(const char* nptr, char** endptr, int base) {
-  const char *p      = nptr, *endp;
-  bool        is_neg = 0, overflow = 0;
-
-  /* Need unsigned so (-kLongMin) can fit in these: */
-  unsigned long n = 0UL, cutoff;
-  int           cutlim;
-
-  if (base < 0 || base == 1 || base > 36) {
-    return 0L;
-  }
-
-  endp = nptr;
-
-  while (IsSpace(*p)) p++;
-
-  if (*p == '+') {
-    p++;
-  } else if (*p == '-') {
-    is_neg = 1, p++;
-  }
-  if (*p == '0') {
-    p++;
-    /* For strtol(" 0xZ", &endptr, 16), endptr should point to 'x';
-     * pointing to ' ' or '0' is non-compliant.
-     * (Many implementations do this wrong.) */
-    endp = p;
-    if (base == 16 && (*p == 'X' || *p == 'x')) {
-      p++;
-    } else if (base == 2 && (*p == 'B' || *p == 'b')) {
-      /* C23 standard supports "0B" and "0b" prefixes. */
-      p++;
-    } else if (base == 0) {
-      if (*p == 'X' || *p == 'x') {
-        base = 16, p++;
-      } else if (*p == 'B' || *p == 'b') {
-        base = 2, p++;
-      } else {
-        base = 8;
-      }
-    }
-  } else if (base == 0) {
-    base = 10;
-  }
-
-  cutoff = (is_neg) ? -(kLongMin / base) : kLongMax / base;
-  cutlim = (is_neg) ? -(kLongMin % base) : kLongMax % base;
-
-  while (1) {
-    int c;
-    if (*p >= 'A')
-      c = ((*p - 'A') & (~('a' ^ 'A'))) + 10;
-    else if (*p <= '9')
-      c = *p - '0';
-    else
-      break;
-    if (c < 0 || c >= base) break;
-    endp = ++p;
-    if (overflow) {
-      /* endptr should go forward and point to the non-digit character
-       * (of the given base); required by ANSI standard. */
-      if (endptr) continue;
-      break;
-    }
-    if (n > cutoff || (n == cutoff && c > cutlim)) {
-      overflow = 1;
-      continue;
-    }
-    n = n * base + c;
-  }
-
-  if (endptr) *endptr = (char*) endp;
-
-  if (overflow) {
-    return ((is_neg) ? kLongMin : kLongMax);
-  }
-
-  return (long) ((is_neg) ? -n : n);
-}