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include_lib/system/os/os_cpu.h

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+/***********************************Jieli tech************************************************
+  File : os_cpu.h
+  By   : Juntham
+  date : 2014-07-03 09:06
+********************************************************************************************/
+#ifndef _OS_CPU_H
+#define _OS_CPU_H
+
+#include "asm/cpu.h"
+#include "jiffies.h"
+
+
+#ifndef __ASSEMBLY__
+typedef unsigned short  QS;
+typedef unsigned int    OS_STK;                  /* Each stack entry is 32-bit wide*/
+typedef unsigned int    OS_CPU_SR;                   /* Unsigned 32 bit quantity */
+typedef unsigned int    OS_CPU_DATA;                 /* Unsigned 32 bit quantity */
+#endif
+
+#define	OS_CPU_EXT      	extern
+#define	OS_CPU_CORE     	CPU_CORE_NUM
+
+#define OS_CPU_ID       	current_cpu_id()
+#define OS_STK_GROWTH   	1         /* Stack grows from HIGH to LOW memory*/
+
+#define OS_CPU_MMU          0
+
+#define OS_CPU_VIRTUAL_MEM  1           //临时定义：区别于OS_CPU_MMU
+
+#ifndef OS_CORE_AFFINITY_ENABLE
+#define OS_CORE_AFFINITY_ENABLE     0
+#endif
+
+#define OS_TASK_CLR(a) 		CPU_TASK_CLR(a)
+#define OS_TASK_SW(a)     	CPU_TASK_SW(a) /* 任务级任务切换函数*/
+#define OS_INT_NESTING      CPU_INT_NESTING
+
+#define CPU_SR_ALLOC()
+
+#define OS_SR_ALLOC()
+
+#define OS_ENTER_CRITICAL()  \
+		CPU_CRITICAL_ENTER(); \
+
+#define OS_EXIT_CRITICAL()  \
+		CPU_CRITICAL_EXIT()
+
+
+
+
+#ifndef __ASSEMBLY__
+
+/*#include "system/spinlock.h"
+
+extern spinlock_t os_lock;
+
+#define OS_ENTER_CRITICAL()  \
+	spin_lock(&os_lock)
+
+#define OS_EXIT_CRITICAL()  \
+	spin_unlock(&os_lock)*/
+
+
+void OSCtxSw(void);
+
+extern void EnableOtherCpu(void) ;
+
+#define os_ctx_sw OSCtxSw
+
+void OSInitTick(u32 hz);
+
+void InstallOSISR(void);
+
+void os_task_dead(const char *task_name);
+
+//=======================================================//
+//             系统进临界区多核同步类型                  //
+//=======================================================//
+enum CPU_SUSPEND_TYPE {
+    CPU_SUSPEND_TYPE_NONE = 0,
+    CPU_SUSPEND_TYPE_SFC = 0x55, //操作Flash
+    CPU_SUSPEND_TYPE_PDOWN, 	 //系统进低功耗Pdown
+    CPU_SUSPEND_TYPE_POFF, //系统进低功耗Pdown
+    CPU_SUSPEND_TYPE_SOFF,
+};
+
+/* ---------------------------------------------------------------------------- */
+/**
+ * @brief 系统进入临界区用于多核同步
+ */
+/* ---------------------------------------------------------------------------- */
+void cpu_suspend_other_core(enum CPU_SUSPEND_TYPE type);
+
+/* ---------------------------------------------------------------------------- */
+/**
+ * @brief 系统退出临界区用于多核同步
+ */
+/* ---------------------------------------------------------------------------- */
+void cpu_resume_other_core(enum CPU_SUSPEND_TYPE type);
+
+#endif
+
+/*
+*********************************************************************************************************
+*                                              DATA TYPES
+*                                         (Compiler Specific)
+*********************************************************************************************************
+*/
+
+
+#define OS_CRITICAL_METHOD          3
+#if OS_CRITICAL_METHOD == 3                      /* Allocate storage for CPU status register           */
+//#define     CPU_SR_ALLOC()  OS_CPU_SR  cpu_sr
+#endif
+
+
+#endif                                           /*_OS_CPU_H                                            */