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# 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
#ifdef __riscv64
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
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