tangzz98
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acc66c5479
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实现MPU抽象层 (#8080)
- 为RT-Thread设计MPU抽象层,支持ARMV7-M,ARMV8-M架构,让用户使用MPU检测栈溢出等内存问题,实现线程内存隔离
- 在components/mp目录下提供通用的API,libcpu目录下提供各处理器架构的具体实现
- 在STM32U575 NUCLEO, STM32H75 NUCLEO开发板测试通过
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2023-10-30 08:24:55 -04:00 |
blta
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b1a9c4c4ea
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[libcpu/arm]: add dsb and isb instructions in the end of rt_hw_context_switch_to (#5748)
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2022-04-08 12:52:22 +08:00 |
jiladahe1997
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433e5f8147
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[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>
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2021-12-09 11:22:46 +08:00 |
aozima
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c3d63e49de
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set Systick interrupt priority to the lowest
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2020-05-30 15:23:25 +08:00 |
nongxiaoming
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607ed93513
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[libcpu]context-m33:fix label error in context_gcc.S.
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2020-02-11 21:39:35 +08:00 |
tangyuxin
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a16f27d84e
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[libcpu][cm33] support cortex-m33
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2019-10-29 09:45:17 +08:00 |