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* refactor: promote new architecture to repository rootRichard Qin2026-07-1091-7417/+0
| | | | Archive the deprecated implementation under lume-legacy, make the new kernel the default root-level build, and update repository entry points without changing kernel behavior.
* feat: establish bootable new architecture checkpointRichard Qin2026-07-1065-455/+4283
| | | | Replace the compressed boot path with a relocatable higher-half RISC-V entry, expand memory and SMP support, and add the driver, TTY, VFS, exec, signal, syscall, initramfs, and self-test infrastructure needed for a bootable kernel checkpoint.
* feat: replace early_puts with kprintf in selftest for improved loggingRichard Qin2026-05-131-57/+12
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* feat: implement user-kernel memory copy functions with validationRichard Qin2026-05-131-0/+27
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* feat: add PID allocator implementation with bitmap-based allocationRichard Qin2026-05-131-0/+29
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* feat: add syscall interface and syscall numbers for RISC-V LP64Richard Qin2026-05-132-0/+99
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* feat: implement WaitQueue class for blocking synchronizationRichard Qin2026-05-132-0/+72
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* feat: add Task Control Block and Task State definitionsRichard Qin2026-05-131-0/+109
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* feat: add scheduler and scheduler class interfaces with core functionsRichard Qin2026-05-132-0/+108
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* feat: implement MI Timer Subsystem with initialization and tick handlingRichard Qin2026-05-131-0/+24
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* feat: add signal subsystem interface and Linux-compatible signal numbersRichard Qin2026-05-132-0/+62
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* feat: implement IRQ Manager with dynamic interrupt dispatch and atomic ↵Richard Qin2026-05-131-0/+84
| | | | handler registration
* feat: implement machine-independent trap subsystem with enums and context ↵Richard Qin2026-05-131-0/+109
| | | | structures
* feat: add POSIX memory management constants in mman.hRichard Qin2026-05-131-0/+21
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* feat: update memblock to use page_map instead of frame_map in documentation ↵Richard Qin2026-05-131-3/+3
| | | | and allocation functions
* feat: add boot parameters management with initialization and access functionsRichard Qin2026-05-131-0/+1
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* feat: update Virtual Memory Manager to use page-based allocation and ↵Richard Qin2026-05-131-8/+22
| | | | introduce VmFaultCause enum
* feat: refactor Physical Memory Manager to use Page instead of FrameRichard Qin2026-05-131-22/+22
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* feat: add relocation section and fixup handling in linker scriptRichard Qin2026-05-131-0/+14
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* feat: add BootParams structure and related enums for bootloader integrationRichard Qin2026-05-131-0/+85
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* feat: update slab allocator to use Page descriptors instead of FrameRichard Qin2026-05-131-0/+28
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* feat: add printk and vprintk functions with Linux-style log level parsingRichard Qin2026-05-131-0/+20
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* feat: add Page structure and PageState enumeration for physical memory ↵Richard Qin2026-05-131-10/+10
| | | | management
* feat: add LZ4 decompressor implementation and update linker scriptRichard Qin2026-05-131-0/+11
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* feat: add compressed kernel header and implementation for RISC-V architectureRichard Qin2026-05-131-0/+37
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* feat: add relocation header and implementation for RISC-V architectureRichard Qin2026-05-131-0/+12
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* feat: add relocation header and implementation for RISC-V architectureRichard Qin2026-05-131-0/+53
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* feat: enhance KASLR support with early seed metadata and validation checksRichard Qin2026-05-031-0/+12
| | | | Co-authored-by: Copilot <copilot@github.com>
* feat: implement KASLR support and runtime address mapping for RISC-V ↵Richard Qin2026-05-035-6/+79
| | | | | | architecture Co-authored-by: Copilot <copilot@github.com>
* feat: add driver registration subsystem with probe functionalityRichard Qin2026-05-021-0/+33
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* feat: reorganize includes and improve FdtManager documentationRichard Qin2026-05-021-26/+29
| | | | Co-authored-by: Copilot <copilot@github.com>
* feat: implement hardware random number generation and early PRNG initializationRichard Qin2026-05-021-0/+26
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* feat: enhance address conversion functions and introduce address typesRichard Qin2026-05-024-32/+72
| | | | Co-authored-by: Copilot <copilot@github.com>
* feat: refactor memory management and integrate memblockRichard Qin2026-05-021-0/+53
| | | | | | | | | | | - Updated physical memory management (PMM) to utilize memblock for memory layout and frame allocation. - Enhanced the virtual memory manager (VMM) to allocate the frame map from memblock, ensuring it starts at the correct virtual address without relocation. - Improved frame allocation and deallocation functions to handle physical addresses more consistently. - Adjusted the slab allocator to correctly convert between physical and virtual addresses. - Refined page fault handling to ensure proper frame allocation and address translation. - Streamlined the initialization process for PMM and VMM, ensuring a more robust setup of memory structures. Co-authored-by: Copilot <copilot@github.com>
* feat: update UART handling and memory management parameters for improved ↵Richard Qin2026-05-023-7/+9
| | | | functionality
* fix: change constexpr to const for size_t offset calculation in list_entryRichard Qin2026-05-021-1/+1
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* feat: add bit manipulation utilities for kernel operationsRichard Qin2026-05-021-0/+120
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* feat: add centralized compiler macros and integrate into rbtree headersRichard Qin2026-05-023-24/+28
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* feat: implement kernel logging and formatted output subsystemsRichard Qin2026-05-024-17/+210
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* feat: add driver registration table to linker script macrosRichard Qin2026-04-291-0/+8
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* feat: add linker script and common macros for RISC-V architectureRichard Qin2026-04-221-0/+74
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* feat: update errno.h with comprehensive error codesRichard Qin2026-04-221-3/+114
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* feat: add boot self-tests for various kernel componentsRichard Qin2026-04-211-0/+110
| | | | | | | | | | | | - Implemented a self-test runner in `selftest.cc` to invoke all test suites. - Added tests for atomic operations in `test_atomic.cc`, covering construction, store/load, exchange, arithmetic, and compare-and-swap. - Created tests for the Flattened Device Tree (FDT) in `test_fdt.cc`, verifying node access and compatibility queries. - Developed a comprehensive Physical Memory Manager (PMM) test suite in `test_pmm.cc`, including allocation, deallocation, reference counting, and boundary conditions. - Implemented Red-Black Tree tests in `test_rbtree.cc`, validating insertion, deletion, and iteration. - Added Slab Allocator tests in `test_slab.cc`, covering various allocation sizes, edge cases, and operator overloads. - Created Spinlock tests in `test_spinlock.cc`, ensuring proper locking behavior and interrupt state preservation. - Developed Virtual Memory Area (VMA) tests in `test_vma.cc`, validating region mapping, unmapping, and fault handling. - Added tests for Virtual Memory Management (VMM) in `test_vmm.cc`, verifying address translation and page alignment.
* feat: add Virtual Memory Manager and Virtual Memory Area managementRichard Qin2026-04-211-0/+83
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* feat: implement Physical Memory Manager (PMM) with Buddy System and Per-CPU ↵Richard Qin2026-04-211-0/+75
| | | | Cache
* feat: add features header and frame descriptor implementationRichard Qin2026-04-212-0/+99
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* feat: add basic implementation and enhanced operations of red-black tree ↵Richard Qin2026-04-213-0/+519
| | | | from Linux kernel source
* feat: Add a type-safe doubly linked list implementationRichard Qin2026-04-211-0/+292
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* feat: add string manipulation functions derived from musl libcRichard Qin2026-04-217-0/+224
| | | | | | | | | | | | | | This commit introduces a variety of string manipulation functions, including: - `memmem`: Searches for a substring in a memory area. - `memmove`: Safely copies memory areas, handling overlaps. - `mempcpy`: Copies memory and returns a pointer to the end of the destination. - `memrchr`: Finds the last occurrence of a character in a memory area. - `memset`: Fills a memory area with a specified value. - `rindex`: Returns the last occurrence of a character in a string. - `stpcpy` and `stpncpy`: Copies strings and returns a pointer to the end. - `strcat`, `strchr`, `strcspn`, `strlcat`, `strlcpy`, `strlen`, `strncat`, `strncmp`, `strncpy`, `strnlen`, `strpbrk`, `strrchr`, `strstr`, `strtok`, and `strtok_r`: Various string manipulation functions for concatenation, searching, and tokenization. Assembly implementations for `memcpy`, `memmove`, and `memset` are also included for optimized performance on x86_64 architectures.
* refactor: clean up errno and types headers for consistency and clarityRichard Qin2026-04-212-15/+5
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