| # See LICENSE for license details. |
| |
| #***************************************************************************** |
| # mcsr.S |
| #----------------------------------------------------------------------------- |
| # |
| # Test various M-mode CSRs. |
| # |
| |
| #include "riscv_test.h" |
| #include "test_macros.h" |
| |
| RVTEST_RV64M |
| RVTEST_CODE_BEGIN |
| |
| # Check that mcpuid reports the correct XLEN |
| #if __riscv_xlen == 64 |
| TEST_CASE(2, a0, 0x2, csrr a0, misa; srl a0, a0, 62) |
| #else |
| TEST_CASE(2, a0, 0x1, csrr a0, misa; srl a0, a0, 30) |
| #endif |
| |
| # Check that mhartid reports 0 |
| TEST_CASE(3, a0, 0x0, csrr a0, mhartid) |
| |
| # Check that reading the following CSRs doesn't cause an exception |
| csrr a0, mimpid |
| csrr a0, marchid |
| csrr a0, mvendorid |
| |
| # Check that writing hte following CSRs doesn't cause an exception |
| li t0, 0 |
| csrs mtvec, t0 |
| csrs mepc, t0 |
| |
| TEST_PASSFAIL |
| |
| RVTEST_CODE_END |
| |
| .data |
| RVTEST_DATA_BEGIN |
| |
| TEST_DATA |
| |
| RVTEST_DATA_END |
