isa/rv64mi/mcsr.S

   1 # See LICENSE for license details.
   2
   3 #*****************************************************************************
   4 # mcsr.S
   5 #-----------------------------------------------------------------------------
   6 #
   7 # Test various M-mode CSRs.
   8 #
   9
  10 #include "riscv_test.h"
  11 #include "test_macros.h"
  12
  13 RVTEST_RV64M
  14 RVTEST_CODE_BEGIN
  15
  16   # Check that mcpuid reports RV64
  17   TEST_CASE(2, a0, 0x2, csrr a0, mcpuid; srl a0, a0, 62)
  18
  19   # Check that mhartid reports 0
  20   TEST_CASE(3, a0, 0x0, csrr a0, mhartid)
  21
  22   # Check that mimpid reports UC Berkeley
  23   TEST_CASE(4, a0, 0x1, csrr a0, mimpid; sll a0, a0, 48; srl a0, a0, 48)
  24
  25   # Check that mtvec reports DEFAULT_MTVEC
  26   TEST_CASE(5, a0, DEFAULT_MTVEC, csrr a0, mtvec)
  27
  28   TEST_PASSFAIL
  29
  30 RVTEST_CODE_END