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Enable UART IRQ. riscv_dispatch_irq: irq=25, claim=0

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Lee Lup Yuen 2023-11-24 22:27:38 +08:00
parent c2a12e2672
commit 44833f6812
1 changed files with 10 additions and 1 deletions
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@ -3176,7 +3176,16 @@ riscv_dispatch_irq: irq=25
riscv_dispatch_irq: irq=25
```
TODO: What is IRQ 25?
But UART Interrupt can't be handled because [PLIC Claim is 0](https://gist.github.com/lupyuen/e1e6bf670ee4eefa0f968f1901407419)...
```text
riscv_dispatch_irq: Do irq=8
NuttShell (NSH) NuttX-12.0.3
riscv_dispatch_irq: irq=25, claim=0
riscv_dispatch_irq: *0xe0201004=0
```
TODO: Why is PLIC Claim 0?
TODO: Why is up_irqinitialize not setting Interrupt Priority properly? Signed arithmetic? Or delay?