isa/rv32si/privileged.S

   1 # See LICENSE for license details.
   2
   3 #*****************************************************************************
   4 # privileged.S
   5 #-----------------------------------------------------------------------------
   6 #
   7 # Test privileged instruction trap.
   8 #
   9
  10 #include "riscv_test.h"
  11 #include "test_macros.h"
  12
  13 RVTEST_RV32S
  14 RVTEST_CODE_BEGIN
  15
  16   la t0, evec
  17   csrw evec, t0
  18
  19   csrci status, 1
  20
  21   li TESTNUM, 2
  22   sret
  23   j fail
  24
  25   TEST_PASSFAIL
  26
  27 evec:
  28   li t1, CAUSE_PRIVILEGED_INSTRUCTION
  29   csrr t0, cause
  30   bne t0, t1, fail
  31   j pass
  32
  33 RVTEST_CODE_END
  34
  35   .data
  36 RVTEST_DATA_BEGIN
  37
  38   TEST_DATA
  39
  40 RVTEST_DATA_END