isa/rv32si/privileged.S

   1 #*****************************************************************************
   2 # privileged.S
   3 #-----------------------------------------------------------------------------
   4 #
   5 # Test privileged instruction trap.
   6 #
   7
   8 #include "riscv_test.h"
   9 #include "test_macros.h"
  10
  11 RVTEST_RV32S
  12 RVTEST_CODE_BEGIN
  13
  14   la t0, evec
  15   csrw evec, t0
  16
  17   csrci status, 1
  18
  19   li TESTNUM, 2
  20   sret
  21   j fail
  22
  23   TEST_PASSFAIL
  24
  25 evec:
  26   li t1, CAUSE_PRIVILEGED_INSTRUCTION
  27   csrr t0, cause
  28   bne t0, t1, fail
  29   j pass
  30
  31 RVTEST_CODE_END
  32
  33   .data
  34 RVTEST_DATA_BEGIN
  35
  36   TEST_DATA
  37
  38 RVTEST_DATA_END