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Diffstat (limited to 'isa/rv32ui/lrsc.S')
-rw-r--r-- | isa/rv32ui/lrsc.S | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/isa/rv32ui/lrsc.S b/isa/rv32ui/lrsc.S deleted file mode 100644 index 3a3d05a..0000000 --- a/isa/rv32ui/lrsc.S +++ /dev/null @@ -1,84 +0,0 @@ -# See LICENSE for license details. - -#***************************************************************************** -# lrsr.S -#----------------------------------------------------------------------------- -# -# Test LR/SC instructions. -# - -#include "riscv_test.h" -#include "test_macros.h" - -RVTEST_RV32U -RVTEST_CODE_BEGIN - -# get a unique core id -la a0, coreid -li a1, 1 -amoadd.w a2, a1, (a0) - -# for now, only run this on core 0 -1:li a3, 1 -bgeu a2, a3, 1b - -1: lw a1, (a0) -bltu a1, a3, 1b - -# 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. -# TODO is this actually mandatory behavior? -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, (a0) -add a4, a4, a2 -sc.w a4, a4, (a0) -bnez a4, 1b -add a1, a1, -1 -bnez a1, 1b - -# wait for all cores to finish -la a0, barrier -li a1, 1 -amoadd.w x0, a1, (a0) -1: lw a1, (a0) -blt a1, a3, 1b -fence - -# expected result is 1000*ncores*(ncores-1)/2 -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 - -RVTEST_CODE_END - - .data -RVTEST_DATA_BEGIN - - TEST_DATA - -coreid: .word 0 -barrier: .word 0 -foo: .word 0 -RVTEST_DATA_END |