rt-thread

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jiladahe1997 433e5f8147 [bugfix] libcpu/arm/cortex-m/context_gcc: 修复thumb指令集汇编语法错误

当使用thumb指令集时，要求汇编语法中的“条件执行”要跟在IT指令后面，否则会编译不通过。
报错如下：Error: thumb conditional instruction should be in IT block -- `moveq r4,#0x01'

虽然可以通过指定"-Wa,-mimplicit-it=thumb"选项来告诉编译器识别隐式的IT指令，但是能在代码里面直接加上IT指令的话更好。

thumb指令集“条件执行”arm官网文档：
    https://developer.arm.com/documentation/dui0473/m/condition-codes/conditional-execution-in-thumb-state

参考论坛帖子：
    https://club.rt-thread.org/ask/question/433887.html
    https://club.rt-thread.org/ask/question/4188.html

Signed-off-by: Mingrui Ren <jiladahe1997@gmail.com>

2021-12-09 11:22:46 +08:00

context_gcc.S

[bugfix] libcpu/arm/cortex-m/context_gcc: 修复thumb指令集汇编语法错误

2021-12-09 11:22:46 +08:00

context_iar.S

set Systick interrupt priority to the lowest

2020-05-30 15:23:25 +08:00

context_rvds.S

set Systick interrupt priority to the lowest

2020-05-30 15:23:25 +08:00

cpu_cache.c

[libcpu] auto formatted