tinygo-org/tinygo
1
0
Fork 0
mirror of https://github.com/tinygo-org/tinygo.git synced 2026-08-14 07:53:40 +00:00
Code Issues Packages Projects Releases 6 Wiki Activity

Zero PLIC threshold value at startup

Browse Source 
The PLIC threshold value must be zeroed at startup to permit
all interrupt priorities. Fixes #1128.
This commit is contained in:
Yannis Huber
2020-06-07 11:23:14 +02:00
committed by Ron Evans
parent c5a896771d
commit d61d5d7ab1
1 changed files with 3 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/runtime/runtime_fe310.go
+3
View File
@@ -24,6 +24,9 @@ func main() {
sifive.PLIC.ENABLE[0].Set(0) sifive.PLIC.ENABLE[0].Set(0)
sifive.PLIC.ENABLE[1].Set(0) sifive.PLIC.ENABLE[1].Set(0)
// Zero the threshold value to allow all priorities of interrupts.
sifive.PLIC.THRESHOLD.Set(0)
// Set the interrupt address. // Set the interrupt address.
// Note that this address must be aligned specially, otherwise the MODE bits // Note that this address must be aligned specially, otherwise the MODE bits
// of MTVEC won't be zero. // of MTVEC won't be zero.