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Why:
- Enables efficient allocation of nested paths like '/boot/pagefile.sys' without pre-creating parent paths manually.
- Reduces disk space waste by avoiding placeholder or stub directories.
- Faster and cleaner: avoids expensive Utf8Char* traversal and comparison at runtime.
- Prepares the filesystem for structural hashing and future journaling.
Signed-off-by: Amlal <amlal@nekernel.org>
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method on FSParser class.
Signed-off-by: Amlal <amlal@nekernel.org>
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implementation.
Signed-off-by: Amlal <amlal@nekernel.org>
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Signed-off-by: Amlal <amlal@nekernel.org>
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notice:
- parent_dir_fmt has to be formated to take care of subdirs.
Signed-off-by: Amlal <amlal@nekernel.org>
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Signed-off-by: Amlal <amlal@nekernel.org>
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Signed-off-by: Amlal <amlal@nekernel.org>
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Signed-off-by: Amlal <amlal@nekernel.org>
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Signed-off-by: Amlal <amlal@nekernel.org>
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why?
To keep track of it, avoid security issues in the future.
Signed-off-by: Amlal <amlal@nekernel.org>
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Signed-off-by: Amlal <amlal@nekernel.org>
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Signed-off-by: Amlal <amlal@nekernel.org>
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need it.
details:
- Reworked HeFS traversal algorithm, fixing last parts of HeFS regarding IND allocation.
Signed-off-by: Amlal <amlal@nekernel.org>
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memory footprint (unstable changes)
Signed-off-by: Amlal <amlal@nekernel.org>
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Signed-off-by: Amlal <amlal@nekernel.org>
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writing an IND. (HeFS)
Signed-off-by: Amlal <amlal@nekernel.org>
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Signed-off-by: Amlal <amlal@nekernel.org>
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Signed-off-by: Amlal <amlal@nekernel.org>
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Signed-off-by: Amlal <amlal@nekernel.org>
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other/related:
- Add new KPC codes.
- Final refactors for HeFS's Format method.
- Dma pool improvements.
- Better standard disk I/O names.
- Add mm_memory_fence function inside HalPagingMgrAMD64.cc
Signed-off-by: Amlal <amlal@nekernel.org>
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why?
the struct were way too big to fit wihin a sector.
Signed-off-by: Amlal <amlal@nekernel.org>
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what?
- AHCI now writes to disk, forgot to do it.
- Codebase's architecutre has been used to reuse the Generic+AHCI driver in SysChk for AHCI. (tradeoff is 256K in size instead of 36K)
- DriveMgr now detects EPM.
- And HeFS is still being worked on.
Signed-off-by: Amlal <amlal@nekernel.org>
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allocation tree fix.
Signed-off-by: Amlal <amlal@nekernel.org>
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Signed-off-by: Amlal <amlal@nekernel.org>
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Signed-off-by: Amlal <amlal@nekernel.org>
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why?
- we need to format it externally too.
- a in-kernel format doesn't handle every case.
- and i have to fix the createdir, createfile methods for correct inode dir linking.
Signed-off-by: Amlal <amlal@nekernel.org>
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why?
- HeFS's Formating needs some thought before being layed out, that's the kind of thing that bites hard in the ass.
- Alongside those changes I improved parts of the kernel too.
Signed-off-by: Amlal <amlal@nekernel.org>
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Signed-off-by: Amlal <amlal@nekernel.org>
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Signed-off-by: Amlal <amlal@nekernel.org>
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Signed-off-by: Amlal <amlal@nekernel.org>
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Signed-off-by: Amlal <amlal@nekernel.org>
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Signed-off-by: Amlal <amlal@nekernel.org>
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Signed-off-by: Amlal <amlal@nekernel.org>
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Signed-off-by: Amlal <amlal@nekernel.org>
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Refactored HeFS node handling and API for extensibility, added directory metadata, improved wildcard querying, and updated documentation accordingly.
Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>
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Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>
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Details:
- Added support for 512 process teams (kTeams array).
- New SwitchTeam() API in UserProcessScheduler.
- Kernel main loop rotates active team every 200ms.
- Renamed syscall tables for clarity (kSyscalls → kSysCalls, etc.).
- Replaced kKernelMaxSystemCalls with kMaxDispatchCallCount.
- Updated call sites to match new naming.
- Bumped format version to 0x0101.
- Added reserved fields to HEFS_BOOT_NODE for future use.
- Changed inode indexing logic to operate on (start, size) pairs.
Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>
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Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>
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the B-Tree.
- RT Scheduler fixed.
- B-Tree improved.
Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>
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- Currently working on VEPM and adapting it to SysChk.
- Refactor DriveMgr for VEPM.
- Fix warnings in HeFS.cc, ALIGN(8) on HeFS.h
- Update PIO modules to use VEPM.
Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>
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- ran format command.
- a variation of a red-black tree traversal, with customized
fallback mechanism.
Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>
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- Patch HeFS implementation file, working on a allocation
function now.
- Generated LaTeX specs from source code.
- Add mk.{hefs, nefs} tools for future formatting (with diutil
first)
- Add python tool to generate user apps for NeKernel.
Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>
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- Started implementing the wrt_* APIs (Wide string functions)
- Make user.sys link now, need to implement more syscalls.
- Tiny HEFS refactors too.
Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>
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Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>
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Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>
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sched: refactor: refactor scheduler file names, for future additions.
xcoff: refactor: document and improve XCOFF for NeFS (regarding Ne's FW)
codemgr: refactor: make a difference between kernel and user processes.
refactor: document project overall.
Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>
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changes have been made too, see commit details for more information.
Signed-off-by: Amlal El Mahrouss <amlal.elmahrouss@icloud.com>
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Removing useless parts of the project too.
Signed-off-by: Amlal El Mahrouss <amlal.elmahrouss@icloud.com>
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