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| author | Tim Newsome <tim@sifive.com> | 2022-06-02 17:04:09 -0700 |
|---|---|---|
| committer | Tim Newsome <tim@sifive.com> | 2022-06-06 09:05:26 -0700 |
| commit | c91d26c50725a6eb3bcff2b01d4c65eba2f82541 (patch) | |
| tree | cef6bd784b910571a8d983058e28843edd456c4f /isa | |
| parent | 62a1beccc7a65f982af4a49be5300617b694f5b2 (diff) | |
| download | riscv-tests-c91d26c50725a6eb3bcff2b01d4c65eba2f82541.zip riscv-tests-c91d26c50725a6eb3bcff2b01d4c65eba2f82541.tar.gz riscv-tests-c91d26c50725a6eb3bcff2b01d4c65eba2f82541.tar.bz2 | |
Test unaligned ld accesses.
Identical to the lw change in #391.
Diffstat (limited to 'isa')
| -rw-r--r-- | isa/rv64ui/ld.S | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/isa/rv64ui/ld.S b/isa/rv64ui/ld.S index 948c34b..341122e 100644 --- a/isa/rv64ui/ld.S +++ b/isa/rv64ui/ld.S @@ -74,8 +74,35 @@ RVTEST_CODE_BEGIN li x2, 2; \ ) + # Test unaligned accesses, if the target supports them. + # Assume little-endian + TEST_LD_OP( 1000, ld, 0x00ff00ff00ff00ff, 0, tdat ); + TEST_LD_OP( 1001, ld, 0x0000ff00ff00ff00, 1, tdat ); + TEST_LD_OP( 1002, ld, 0xff0000ff00ff00ff, 2, tdat ); + TEST_LD_OP( 1003, ld, 0x00ff0000ff00ff00, 3, tdat ); + TEST_LD_OP( 1004, ld, 0xff00ff0000ff00ff, 4, tdat ); + TEST_LD_OP( 1005, ld, 0x00ff00ff0000ff00, 5, tdat ); + TEST_LD_OP( 1006, ld, 0xff00ff00ff0000ff, 6, tdat ); + TEST_LD_OP( 1007, ld, 0x00ff00ff00ff0000, 7, tdat ); + +skip_unaligned_tests: TEST_PASSFAIL + .align 2 + .global mtvec_handler +mtvec_handler: + # Only unaligned access tests should trap + li t0, 1000 + blt TESTNUM, t0, fail + + li t0, CAUSE_MISALIGNED_LOAD + csrr t1, mcause + bne t0, t1, fail + + la t0, skip_unaligned_tests + csrw mepc, t0 + mret + RVTEST_CODE_END .data |