rt-thread.git/libcpu/arm/cortex-m4, branch serialX-dev

[rtdef] use lower-case to define attributes (#6728)

2022-12-11T18:12:03Z

* [rtdef] rename RT_WEAK attribute as rt_weak * [rtdef] rename RT_USED attribute as rt_used * [rtdef] rename RT_SECTION attribute as rt_section * [rtdef] rename ALIGN attribute as rt_align * [legacy] add RT_USED ALIGN RT_SECTION RT_WEAK as legacy support

sync branch rt-smart. (#6641)

2022-12-03T04:07:44Z

* Synchronize the code of the rt mart branch to the master branch. * TTY device * Add lwP code from rt-smart * Add vnode in DFS, but DFS will be re-write for rt-smart * There are three libcpu for rt-smart: * arm/cortex-a, arm/aarch64 * riscv64 Co-authored-by: Rbb666 Co-authored-by: zhkag

[libcpu][arm] fix armclang error when enable LTO

2022-08-11T12:35:42Z

[libcpu][arm] ArmClang 编译优化错误 (#6071)

2022-06-15T09:19:51Z

[Scons][iar][iccarm] IAR统一使用iccarm作为判断条件而不是是用IDE的名字来进行判断

2022-06-08T23:01:59Z

因为不确定后续IAR是否会像Keil一样内含有不同的编译工具链此外，将判断条件改为列表方式，这样更方便后续增加其他可能的IAR编译链

[Scons] 将GCC判断条件改为列表方式，方便后续增加新的编译工具链

2022-06-08T23:01:59Z

[gcc][armcc][armclang] rtconfig.CROSS_TOOL->rtconfig.PLATFORM (#5802)

2022-04-20T01:56:04Z

* [gcc][armcc][armclang] rtconfig.CROSS_TOOL->rtconfig.PLATFORM

[libcpu/arm]: add dsb and isb instructions in the end of rt_hw_context_switch_to (#5748)

2022-04-08T04:52:22Z

[asm] 解决tab和空格混用的问题

2022-01-20T12:57:35Z

Merge pull request #5345 from jiladahe1997/master

2022-01-14T14:36:14Z

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