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mmuos
- 这是一个不到2000行的操作系统,巧妙地利用ARM9 CPU的内存管理单元(MMU)实现进程的切换。ARM9的4G虚拟地址可分成128个进程空间,每个32M。虽然它们的虚拟地址(VA)都是0-(32M-1),但是对应的MVA(Modified vitual address,由虚拟地址VA和进程号PID组合而来)不一样,设置MVA对应的页表指向不同物理地址就可以很方便地让各进程运行空间相互隔开。代码很少,注释丰富,希望能对想理解操作系统、了解ARM体系结构的朋友有所帮助。 -This is a
s3c2410_MMU
- 关于s3c2410 如何操作MMU(虚拟内存管理)的文档,有助于了解三星的ARM原理-S3C2410 how to operate on the MMU (virtual memory management) of documents, help to understand the principle of Samsung
User_manual_2410x
- This manual describes SAMSUNG s S3C2410X 16/32-bit RISC microprocessor. This product is designed to provide hand-held devices and general applications with cost-effective, low-power, and high-performance microcontroller solution in small die size
MMU_test
- at91sam9260 虚拟内存驱动,可以大大提高内存读取速度-at91sam9260 virtual memory drive, can greatly improve the speed of the memory read
