VxWorks 内核解读
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VxWorks 内核解读............................................................................................................................1
1 VxWorks 内核简介.........................................................................................................................3
1.1 实时内核概述......................................................................................................................3
1.1.1 实时硬件系统设计...................................................................................................4
1.1.2 实时操作系统设计...................................................................................................4
1.2 微内核操作系统设计理念..................................................................................................6
1.3 wind 微内核设计.................................................................................................................8
1.4 Wind 内核类设计思想........................................................................................................9
1.5 Wind 内核的特性..............................................................................................................12
2 VxWorks 内核设计.......................................................................................................................13
2.1 Wind 内核结构..................................................................................................................13
2.2 Wind 内核的类和对象......................................................................................................16
2.3 wind 内核特性...................................................................................................................17
2.4 Wind 内核设计的优点......................................................................................................19
3 VxWorks 内核工作原理...............................................................................................................21
3.1 Wind 内核调度器工作原理..............................................................................................21
3.2 调度器调度时机................................................................................................................24
3.2.1 第一种情况：.........................................................................................................25
3.2.2 第二种情况：.........................................................................................................27
3.2.3 第三种情况：.........................................................................................................27
3.2.4 第四种情况：.........................................................................................................28
3.3 wind 内核态分析...............................................................................................................30
4 VxWorks 内核中断处理...............................................................................................................31
4.1 Pentium 处理器概述..........................................................................................................31
4.1.1 Pentium CPU 的中断类型......................................................................................31
4.1.2 Pentium CPU 的中断响应过程..............................................................................31
4.1.3 X86 架构的计算机对外部中断的管理.................................................................32
4.2 Wind 内核中断处理流程..................................................................................................33
4.3 VxWorks 中断处理机制....................................................................................................35
4.3.1 中断发生前的准备工作.........................................................................................36
4.3.2 中断发生后的处理.................................................................................................40
4.4 小结....................................................................................................................................47
5 VxWorks 内核内存管理...............................................................................................................47
5.1 VxWorks 内存管理概述....................................................................................................48
5.1.1 VxWorks 内存布局.................................................................................................48
5.1.2 VxWorks 内存分配策略.........................................................................................50
5.1.3 VxWorks 对虚拟内存的支持.................................................................................51
5.2 VxWorks 内存分配算法....................................................................................................51
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