masayuki2009 opened a new pull request #2346:
URL: https://github.com/apache/incubator-nuttx/pull/2346
## Summary
- This PR consists of 2 commits
- commit 1: armv7-a: Fix comments on Cortex-A SGI
- I noticed that Cortex-A SGI can be masked
- We thought the SGI is not maskable
- Although I can not remember how I tested it before
- It actually works as expected now
- commit 2: boards: sabre-6quad: Fix README.txt
- Remove comments on up_idle() which is old information
- Add L2CC info with QEMU
## Impact
- No impact
## Testing
- Tested with sabre-6quad:smp (QEMU and dev board)
- Add the following code in up_idle() before calling asm("WFI");
```
+ if (0 != up_cpu_index())
+ {
+ up_irq_save();
+ }
```
- Run the hello app, you can see "Hello, World!!"
- But nsh will freeze soon because arm_pause_handler is not called.
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