first commit for chrg

2025-08-16 22:58:22 +08:00
commit 52a3ed5862
2306 changed files with 1021208 additions and 0 deletions
@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2006-2024 RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2024/9/12      zhujiale     the first version
+ * 2024/10/24     Shell        added non-blocking IPI calling method
+ */
+
+#ifndef __SMP_IPI_H__
+#define __SMP_IPI_H__
+#include <rtthread.h>
+
+#ifdef RT_USING_SMP
+
+/* callback of smp call */
+typedef void (*rt_smp_call_cb_t)(void *data);
+typedef rt_bool_t (*rt_smp_cond_t)(int cpu, void *info);
+
+#define SMP_CALL_EVENT_GLOB_ASYNC 0x1
+#define SMP_CALL_EVENT_GLOB_SYNC  0x2
+#define SMP_CALL_EVENT_REQUEST    0x4
+
+#define SMP_CALL_WAIT_ALL (1ul << 0)
+#define SMP_CALL_NO_LOCAL (1ul << 1)
+#define SMP_CALL_SIGNAL   (1ul << 2)
+
+#define RT_ALL_CPU ((1 << RT_CPUS_NR) - 1)
+struct rt_smp_event
+{
+    int                   event_id;
+    void                 *data;
+    rt_smp_call_cb_t      func;
+
+    union
+    {
+        rt_atomic_t      *calling_cpu_mask;
+        rt_atomic_t       usage_tracer;
+    } typed;
+};
+
+struct rt_smp_call_req
+{
+    /* handle the busy status synchronization */
+    rt_hw_spinlock_t    freed_lock;
+    struct rt_smp_event event;
+    rt_ll_slist_t       slist_node;
+};
+
+void rt_smp_call_ipi_handler(int vector, void *param);
+void rt_smp_call_each_cpu(rt_smp_call_cb_t func, void *data, rt_uint8_t flags);
+void rt_smp_call_each_cpu_cond(rt_smp_call_cb_t func, void *data, rt_uint8_t flag, rt_smp_cond_t cond_func);
+void rt_smp_call_cpu_mask(rt_ubase_t cpu_mask, rt_smp_call_cb_t func, void *data, rt_uint8_t flags);
+void rt_smp_call_cpu_mask_cond(rt_ubase_t cpu_mask, rt_smp_call_cb_t func, void *data, rt_uint8_t flag, rt_smp_cond_t cond_func);
+void rt_smp_call_init(void);
+
+rt_err_t rt_smp_call_request(int callcpu, rt_uint8_t flags, struct rt_smp_call_req *call_req);
+void rt_smp_call_req_init(struct rt_smp_call_req *call_req,
+                          rt_smp_call_cb_t func, void *data);
+void rt_smp_request_wait_freed(struct rt_smp_call_req *req);
+
+#define rt_smp_for_each_cpu(_iter) for (_iter = 0; (_iter) < RT_CPUS_NR; (_iter)++)
+rt_inline size_t rt_smp_get_next_remote(size_t iter, size_t cpuid)
+{
+    iter++;
+    return iter == cpuid ? iter + 1 : iter;
+}
+#define rt_smp_for_each_remote_cpu(_iter, _cpuid) for (_iter = rt_smp_get_next_remote(-1, _cpuid); (_iter) < RT_CPUS_NR; _iter=rt_smp_get_next_remote(_iter, _cpuid))
+
+#endif // RT_USING_SMP
+
+#endif // __SMP_IPI_H__