diff options
| -rw-r--r-- | isa/rv64si/csr.S | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/isa/rv64si/csr.S b/isa/rv64si/csr.S index daaee6a..9bb4ea5 100644 --- a/isa/rv64si/csr.S +++ b/isa/rv64si/csr.S @@ -46,6 +46,14 @@ RVTEST_CODE_BEGIN #endif #endif + # Make sure reading the cycle counter in four ways doesn't trap. +#ifdef __MACHINE_MODE + TEST_CASE(25, x0, 0, csrrc x0, cycle, x0); + TEST_CASE(26, x0, 0, csrrs x0, cycle, x0); + TEST_CASE(27, x0, 0, csrrci x0, cycle, 0); + TEST_CASE(28, x0, 0, csrrsi x0, cycle, 0); +#endif + TEST_CASE(20, a0, 0, csrw sscratch, zero; csrr a0, sscratch); TEST_CASE(21, a0, 0, csrrwi a0, sscratch, 0; csrrwi a0, sscratch, 0xF); TEST_CASE(22, a0, 0x1f, csrrsi x0, sscratch, 0x10; csrr a0, sscratch); |