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 |
Meco Man
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563e49890c
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[asm] 解决tab和空格混用的问题
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2022-01-20 20:57:35 +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 |
Bernard Xiong
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7c425408b4
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[license] Change the license of libarm to Apache.
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2018-10-15 01:35:07 +08:00 |
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aozima
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d431f4b5f9
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[libcpu][comtex-m7] enhancement hard fault exception handler.
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2018-07-25 21:39:45 +08:00 |
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aozima
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dd1041bb7f
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[libcpu]: fixed #1196 FPU FPCA issue.
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2018-01-31 18:54:11 +08:00 |
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aozima
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9b7303e511
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update libcpu: ensure fault enable.
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2017-08-18 11:12:58 +08:00 |
nongxiaoming
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af8a91457e
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[bsp]add the stm32f74x bsp.
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2015-08-07 13:30:13 +08:00 |