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cortex-a中断中浮点运算破坏线程栈浮点寄存器
拉取/合并请求描述:(PR description)
[ 为什么提交这份PR (why to submit this PR) cortex-a平台下,中断中如果使用浮点计算会破坏线程栈中的浮点寄存器
你的解决方案是什么 (what is your solution) 对中断进行浮点寄存器的保护
在什么测试环境下测试通过 (what is the test environment) 在stm32mp135fae7上,基于lts-v4.1.x分支测试OK。 ]
当前拉取/合并请求的状态 Intent for your PR
必须选择一项 Choose one (Mandatory):
- [ ] 本拉取/合并请求是一个草稿版本 This PR is for a code-review and is intended to get feedback
- [x] 本拉取/合并请求是一个成熟版本 This PR is mature, and ready to be integrated into the repo
代码质量 Code Quality:
我在这个拉取/合并请求中已经考虑了 As part of this pull request, I've considered the following:
- [x] 已经仔细查看过代码改动的对比 Already check the difference between PR and old code
- [x] 代码风格正确,包括缩进空格,命名及其他风格 Style guide is adhered to, including spacing, naming and other styles
- [x] 没有垃圾代码,代码尽量精简,不包含
#if 0代码,不包含已经被注释了的代码 All redundant code is removed and cleaned up - [x] 所有变更均有原因及合理的,并且不会影响到其他软件组件代码或BSP All modifications are justified and not affect other components or BSP
- [x] 对难懂代码均提供对应的注释 I've commented appropriately where code is tricky
- [x] 代码是高质量的 Code in this PR is of high quality
- [x] 已经使用formatting 等源码格式化工具确保格式符合RT-Thread代码规范 This PR complies with RT-Thread code specification