isa/rv32si/illegal.S

   1 # See LICENSE for license details.
   2
   3 #*****************************************************************************
   4 # illegal.S
   5 #-----------------------------------------------------------------------------
   6 #
   7 # Test illegal 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, stvec
  17   csrw stvec, t0
  18
  19   li TESTNUM, 2
  20   .word 0
  21   j fail
  22
  23   j pass
  24
  25   TEST_PASSFAIL
  26
  27 stvec:
  28   li t1, CAUSE_ILLEGAL_INSTRUCTION
  29   csrr t0, scause
  30   bne t0, t1, fail
  31   csrr t0, sepc
  32   addi t0, t0, 8
  33   csrw sepc, t0
  34   sret
  35
  36 RVTEST_CODE_END
  37
  38   .data
  39 RVTEST_DATA_BEGIN
  40
  41   TEST_DATA
  42
  43 RVTEST_DATA_END