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