From e90b72ec3082588b296956730bd2930cf8d5d671 Mon Sep 17 00:00:00 2001 From: Richard Qin Date: Fri, 10 Jul 2026 11:31:46 +0800 Subject: refactor: promote new architecture to repository root 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. --- include/kernel/spinlock.h | 53 ----------------------------------------------- 1 file changed, 53 deletions(-) delete mode 100644 include/kernel/spinlock.h (limited to 'include/kernel/spinlock.h') diff --git a/include/kernel/spinlock.h b/include/kernel/spinlock.h deleted file mode 100644 index 1511199..0000000 --- a/include/kernel/spinlock.h +++ /dev/null @@ -1,53 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * Copyright (C) 2026 Richard QIn - */ - -#pragma once -#include "common/types.h" - -struct cpu; - -// Spinlock -// Features: Non-interruptible, busy-wait loop, extremely short hold time. -// Scenario: Protecting core data such as scheduler, interrupt handling, PMM, etc. -class Spinlock -{ -public: - volatile uint32 locked; // Whether it is locked (0: unlocked, 1: locked) - const char *name; // Lock Name (for debugging) - struct cpu *cpu; // The CPU holding the lock - - // Constructor - Spinlock() : locked(0), name("uninit"), cpu(nullptr) {} - - // Initialize lock name - void init(const char *name); - - // Acquire lock - void acquire(); - - // Release lock - void release(); - - // Check if the current CPU holds the lock - bool holding(); -}; - -// Mutex -// Features: Allows interruption, allows sleeping (yield CPU), can hold for a long time. -// Scenarios: File system IO, device driver waiting, long-term buffering operations. -class Mutex -{ -public: - uint32 locked; // Whether it is locked - const char *name; // Lock Name - int pid; // PID of the process holding the lock (for debugging) - - Spinlock lk; // Internal spin lock, protects the state of the Mutex itself - - void init(const char *name); - void acquire(); - void release(); - bool holding(); -}; \ No newline at end of file -- cgit v1.2.3