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riscv32::swap: fix stack push/pop asm #2

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sb10q merged 1 commits from morgan/libfringe:master into master 2024-05-23 15:56:33 +08:00
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morgan commented 2024-05-23 15:39:46 +08:00
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Summary

  • fix illegalinstruction at PC 0x00 exception when interrupting kasli 2.0 runtime scheduler
    • before the patch, if the CPU is interrupted at sw or lw, the stack will be corrupted and return to the wrong address 0x00

Testing

  • tested with WRPLL interrupt on kasli 2.0 runtime
## Summary - fix `illegalinstruction at PC 0x00` exception when interrupting kasli 2.0 runtime scheduler - before the patch, if the CPU is interrupted at `sw` or `lw`, the stack will be corrupted and return to the wrong address 0x00 ## Testing - tested with WRPLL interrupt on kasli 2.0 runtime
morgan added 1 commit 2024-05-23 15:39:47 +08:00
sb10q merged commit 53a964a63d into master 2024-05-23 15:56:33 +08:00
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Reference: M-Labs/libfringe#2
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