摘要: CPU cache Linux内存管理:ARM64体系结构与编程之cache(1) https://www.codenong.com/cs109826497/ http://www.wowotech.net/memory_management/458.html?from=timeline 阅读全文
posted @ 2021-12-29 15:52 aspirs 阅读(130) 评论(0) 推荐(0)
摘要: kernel exception时打印出的ESR相关信息 <1>[ 7766.006249] Unhandled fault at 0xffffff800188d408 <1>[ 7766.006256] Mem abort info: <1>[ 7766.006259] ESR = 0x86000 阅读全文
posted @ 2021-12-29 12:30 aspirs 阅读(3217) 评论(0) 推荐(0)
摘要: write-back/write-through/write-allocate/write-no-allocate CPU读Cache时 ●若hit,则CPU直接从Cache中读取数据即可。 ●若miss,有两种处理方式: >Read through,即直接从内存中读取数据; >Read alloc 阅读全文
posted @ 2021-12-29 10:08 aspirs 阅读(1527) 评论(0) 推荐(0)