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Liam Kerr 2026-02-10 23:25:08 +00:00
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@ -31,14 +31,14 @@ The Squidge Kernel is a from-scratch operating system project designed to explor
- [x] **Formatted Printing**: Robust `kprintf` implementation for hex and decimal. - [x] **Formatted Printing**: Robust `kprintf` implementation for hex and decimal.
### Phase 2: Hardware Interfacing & Traps ### Phase 2: Hardware Interfacing & Traps
- [ ] **Trap Handling**: - [x] **Trap Handling**:
- [x] Setup `mtvec` (Machine Trap Vector). - [x] Setup `mtvec` (Machine Trap Vector).
- [ ] Assembly "trampoline" to save/restore registers. - [x] Assembly "trampoline" to save/restore registers.
- [ ] C dispatcher for exceptions and interrupts. - [x] C dispatcher for exceptions and interrupts.
- [ ] **Timer Interrupts**: - [ ] **Timer Interrupts**:
- [ ] Interface with RISC-V CLINT (Core Local Interrupter). - [ ] Interface with RISC-V CLINT (Core Local Interrupter).
- [ ] Implement a system heartbeat (ticks). - [ ] Implement a system heartbeat (ticks).
- [ ] **External Interrupts**: Setup PLIC (Platform-Level Interrupt Controller). - [x] **External Interrupts**: Setup PLIC (Platform-Level Interrupt Controller).
- [ ] **Keyboard Driver** (Input Buffer & Scancode Processing) - [ ] **Keyboard Driver** (Input Buffer & Scancode Processing)
### Phase 3: Multitasking & Scheduling ### Phase 3: Multitasking & Scheduling