diff options
Diffstat (limited to 'isa/rv64si/timer.S')
| -rw-r--r-- | isa/rv64si/timer.S | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/isa/rv64si/timer.S b/isa/rv64si/timer.S index 0a90a60..584ced7 100644 --- a/isa/rv64si/timer.S +++ b/isa/rv64si/timer.S @@ -17,11 +17,11 @@ RVTEST_CODE_BEGIN li s8, 0 # number of taken timer interrupts li s9, 10 # how many interrupts to run for la a0, handler - csrw evec, a0 - csrw compare, 1 - csrw count, 0 - li a0, SR_EI | (1 << (IRQ_TIMER + SR_IM_SHIFT)) - csrs status, a0 + csrw stvec, a0 + csrw stimecmp, 1 + csrw stime, 0 + li a0, SSTATUS_IE | SSTATUS_TIE + csrs sstatus, a0 # advance an LFSR 1000 times li s0, 1023 @@ -36,7 +36,7 @@ RVTEST_CODE_BEGIN add s4, s4, 1 bltu s8, s9, 1b - csrc status, SR_EI + csrc sstatus, SSTATUS_IE # make sure the LFSR was computed correctly li s1, 1023 @@ -54,16 +54,16 @@ RVTEST_CODE_BEGIN handler: li TESTNUM, 3 - csrr t0, cause + csrr t0, scause bgez t0, fail sll t0, t0, 1 addi t0, t0, -2*IRQ_TIMER bnez t0, fail - csrr t0, count + csrr t0, stime addi t0, t0, 999 - csrw compare, t0 + csrw stimecmp, t0 add s8, s8, 1 |