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This commit is contained in:
Robert Morris 2019-07-26 11:09:54 -04:00
parent 8ec873b7d8
commit f0987d82dc
2 changed files with 4 additions and 3 deletions
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5
kernel/kernelvec.S
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@ -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)

2
kernel/trap.c
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@ -191,7 +191,7 @@ devintr()
plic_complete(irq);
return 1;
} else if(scause == 0x8000000000000001){
} else if(scause == 0x8000000000000001L){
// software interrupt from a machine-mode timer interrupt,
// forwarded by timervec in kernelvec.S.