lupyuen/nuttx-ox64
1
0
Fork 0
mirror of https://github.com/lupyuen/nuttx-ox64.git synced 2025-01-12 20:58:31 +08:00
Code Issues Projects Releases Packages Wiki Activity Actions

Update doc

Browse source
This commit is contained in:
Lee Lup Yuen 2023-12-02 16:59:41 +08:00
parent 0582457f65
commit 1f67be34d4
1 changed files with 13 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

14
README.md
View file

@ -3150,7 +3150,7 @@ e0200004: 00000000 ....
## md 0xe01ffffc 1
```
TODO: Claim / Complete M-Mode seems OK. Can we claim / complete M-Mode in NuttX?
_Claim / Complete M-Mode seems OK in U-Boot. Can we Claim / Complete M-Mode in NuttX S-Mode?_
```text
=> md 0xe0200004 1
@ -3158,6 +3158,18 @@ e0200004: 00000000 ....
=> mw 0xe0200004 0x00 1
```
Yes we can Claim / Complete M-Mode in NuttX S-Mode. But S-Mode Claim is still 0...
```text
PLIC Hart 0 M-Mode Claim / Complete (0xe0200004):
0000 07 00 00 00 ....
bl602_attach: Claim / Complete M-Mode: claim=7
PLIC Hart 0 M-Mode Claim / Complete (0xe0200004):
0000 00 00 00 00 ....
...
riscv_dispatch_irq: Clear Pending Interrupts, irq=45, claim=0
```
TODO: Why UART Interrupt not enabled? U-Boot and OpenSBI don't use UART Interrupts?
TODO: What is Priority Threshold 7?