From 38cddd5dc02f886e5cb3a0e386f0f7a1e6c8da86 Mon Sep 17 00:00:00 2001 From: Amlal El Mahrouss Date: Sun, 1 Mar 2026 05:48:35 +0100 Subject: feat: ddk!: Breaking changes, the DDK has been reworked in C++ instead. chore: public, kernel: fixes and important patches. Signed-off-by: Amlal El Mahrouss --- src/libDDK/DriverKit/ObjectKit/Checksum.h | 39 +++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 src/libDDK/DriverKit/ObjectKit/Checksum.h (limited to 'src/libDDK/DriverKit/ObjectKit/Checksum.h') diff --git a/src/libDDK/DriverKit/ObjectKit/Checksum.h b/src/libDDK/DriverKit/ObjectKit/Checksum.h new file mode 100644 index 00000000..e925f9ca --- /dev/null +++ b/src/libDDK/DriverKit/ObjectKit/Checksum.h @@ -0,0 +1,39 @@ +// Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org) +// Licensed under the Apache License, Version 2.0 (see LICENSE file) +// Official repository: https://github.com/nekernel-org/nekernel + +#ifndef DRIVERKIT_CHECKSUM_H +#define DRIVERKIT_CHECKSUM_H + +#include + +namespace Kernel::DDK { + +using IndexableBlob = char*; +using Indexable = char; + +/// @note This uses the FNV 64-bit variant. +/// @brief Performs a checksum computation for a memory region. +inline uintptr_t rtl_checksum(const IndexableBlob path) { + if (!path || *path == 0) return 0; + + const uintptr_t kFNVSeed = 0xcbf29ce484222325ULL; + const uintptr_t kFNVPrime = 0x100000001b3ULL; + + uintptr_t hash = kFNVSeed; + + IndexableBlob path_ = path; + + while (*path_) { + hash ^= (Indexable) (*path_++); + hash *= kFNVPrime; + } + + return hash; +} + +using Blob = void*; + +} // namespace Kernel::DDK + +#endif -- cgit v1.2.3