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-rw-r--r--kernel/kernelvec.S5
1 files changed, 3 insertions, 2 deletions
diff --git a/kernel/kernelvec.S b/kernel/kernelvec.S
index 5fce79a..3e9d3e9 100644
--- a/kernel/kernelvec.S
+++ b/kernel/kernelvec.S
@@ -101,9 +101,10 @@ timervec:
sd a2, 8(a0)
sd a3, 16(a0)
- # add another second to mtimecmp0.
+ # schedule the next timer interrupt
+ # by adding interval to mtimecmp.
ld a1, 32(a0) # CLINT_MTIMECMP(hart)
- ld a2, 40(a0) # ticks per second
+ ld a2, 40(a0) # interval
ld a3, 0(a1)
add a3, a3, a2
sd a3, 0(a1)