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* refactor: promote new architecture to repository rootRichard Qin2026-07-1016-1105/+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 Qin2026-07-1013-4/+490
| | | | 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: add exception table implementation with binary search and initializationRichard Qin2026-05-131-0/+55
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* feat: add support for Copy-On-Write in SV39 page table managementRichard Qin2026-05-131-0/+5
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* feat: add relocation header and implementation for RISC-V architectureRichard Qin2026-05-131-1/+46
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* feat: implement KASLR support and runtime address mapping for RISC-V ↵Richard Qin2026-05-031-6/+34
| | | | | | architecture Co-authored-by: Copilot <copilot@github.com>
* feat: implement hardware random number generation and early PRNG initializationRichard Qin2026-05-021-0/+27
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* feat: add RISC-V configuration and memory management enhancementsRichard Qin2026-05-022-4/+9
| | | | Co-authored-by: Copilot <copilot@github.com>
* feat: update UART handling and memory management parameters for improved ↵Richard Qin2026-05-021-4/+0
| | | | functionality
* feat: add SBI interface with ecall and timer functions for RISC-V architectureRichard Qin2026-05-021-0/+39
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* feat: add timer interrupt enable/disable functions for RISC-V architectureRichard Qin2026-05-021-0/+15
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* feat: implement SV39 page table interface and operations for RISC-V architectureRichard Qin2026-04-211-0/+42
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* feat: add RISC-V architecture configuration header with memory layout constantsRichard Qin2026-04-211-0/+28
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* feat: add initial RISC-V architecture support and core kernel functionalityRichard Qin2026-04-175-0/+334
- Implement MMU hardware primitives for RISC-V SV39 in mmu.h - Create trap vector control primitives in trap.h - Define trap frame structure for RISC-V in trapframe.h - Add assembly routines for context switching in swtch.S - Implement trap vector entry/exit in trap_vector.S - Introduce basic error number definitions in errno.h - Provide placement new/delete operators in new.h - Define kernel panic handler in panic.h and implement in panic.cc - Establish basic type definitions in types.h - Create the kernel main entry point in main.cc with global initialization - Add synchronization primitives using spinlocks in spinlock.h and spinlock.cc - Define per-CPU state tracking for interrupts in cpu_state.h - Create a linker script for the kernel in linker.ld - Update module makefiles for kernel and library components