diff options
Diffstat (limited to 'isa/rv64ui')
| -rw-r--r-- | isa/rv64ui/lrsc.S | 51 |
1 files changed, 32 insertions, 19 deletions
diff --git a/isa/rv64ui/lrsc.S b/isa/rv64ui/lrsc.S index ec6748c..b3544f4 100644 --- a/isa/rv64ui/lrsc.S +++ b/isa/rv64ui/lrsc.S @@ -11,43 +11,56 @@ RVTEST_RV64U RVTEST_CODE_BEGIN -# wait for all cores ao boot +# wait for all cores to boot la a0, coreid li a1, 1 -amoadd.w a2, a1, 0(a0) +amoadd.w a2, a1, (a0) lw a3, 4(x0) -1: lw a1, 0(a0) +1: lw a1, (a0) blt a1, a3, 1b -# have each core add its coreid ao foo 1000 aimes +# make sure that sc without a reservation fails. +TEST_CASE( 2, a4, 1, \ + la a0, foo; \ + sc.w a4, x0, (a0); \ +) + +# make sure that sc with the wrong reservation fails. +TEST_CASE( 3, a4, 1, \ + la a0, foo; \ + add a1, a0, 1024; \ + lr.w a1, (a1); \ + sc.w a4, a1, (a0); \ +) + +# have each core add its coreid to foo 1000 times la a0, foo li a1, 1000 -1: lr.w a4, 0(a0) -#amoadd.w x0, a2, 0(a0) +1: lr.w a4, (a0) add a4, a4, a2 -sc.w a4, a4, 0(a0) +sc.w a4, a4, (a0) bnez a4, 1b add a1, a1, -1 bnez a1, 1b -# wait for all cores ao finish +# wait for all cores to finish la a0, barrier li a1, 1 -amoadd.w x0, a1, 0(a0) -1: lw a1, 0(a0) +amoadd.w x0, a1, (a0) +1: lw a1, (a0) blt a1, a3, 1b fence # expected result is 1000*ncores*(ncores-1)/2 -la a0, foo -li a1, 500 -mul a1, a1, a3 -add a2, a3, -1 -mul a1, a1, a2 -lw a2, 0(a0) -bne a2, a1, 1f -RVTEST_PASS -1: RVTEST_FAIL +TEST_CASE( 4, a2, 0, \ + la a0, foo; \ + li a1, 500; \ + mul a1, a1, a3; \ + add a2, a3, -1; \ + mul a1, a1, a2; \ + lw a2, (a0); \ + sub a2, a2, a1; \ +) TEST_PASSFAIL |