ch32v307的指令扩展 #105
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Codetector1374
diandian2024
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ch32v307的指令扩展
#105
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我在青稞内核手册中看到ch32v307使用的青稞v4f系列是支持riscv32imacf，我在rust中也有找到riscv32imafc-unknown-none-elf的target，但在example中使用了自定义的riscv32imfc-unknown-none-elf.json，为什么不直接使用riscv32imafc-unknown-none-elf呢？ |
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Answered by
Codetector1374
Jun 21, 2025
Replies: 2 comments 1 reply
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应该是 |
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它的atomic lr/sc貌似有问题 某些情况下貌似并不按期待的行为。 没有做详细的测试 但是用+a的话embassy 的scheduler会出问题 有时候task会被wakeup但是没有在ready list里面 |
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这边有稍微详细一些的解释/发现过程 |
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#59 (comment)
这边有稍微详细一些的解释/发现过程