共享内存的MPU配置属性 可以配置为Shareable属性？ “Shareable”与“Non Cached"的区别是什么？
请尝试参考下面两个链接：
https://e2e.ti.com/support/microcontrollers/arm-based-microcontrollers-group/arm-based-microcontrollers/f/arm-based-microcontrollers-forum/1159114/faq-tms570lc4357-what-are-the-differences-among-the-memory-attributes-memory-types-and-cache-policy-in-mpu-settings?tisearch=e2e-sitesearch&keymatch=%2522TMS570LC4357%2522
developer.arm.com/.../Memory-Protection-Unit
