07 2023 档案

摘要:uart registers I/O portRead (DLAB=0)Write (DLAB=0)Read (DLAB=1)Write (DLAB=1) base RBR receiver buffer THR transmitter holding DLL divisor latch LSB D 阅读全文
posted @ 2023-07-29 16:48 aspirs 阅读(43) 评论(0) 推荐(0) 编辑
摘要:判断指令类型aarch64_insn_is_##abbr(u32 code) @code为32bit的asm指令 kernel\5.15\arch\arm64\include\asm\insn.h #define __AARCH64_INSN_FUNCS(abbr, mask, val) \ sta 阅读全文
posted @ 2023-07-02 21:13 aspirs 阅读(48) 评论(0) 推荐(0) 编辑

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