isa/rv64mi/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_RV64M
  14 RVTEST_CODE_BEGIN
  15
  16   li TESTNUM, 2
  17   .word 0
  18   j fail
  19
  20   j pass
  21
  22   TEST_PASSFAIL
  23
  24 mtvec_handler:
  25   li t1, CAUSE_ILLEGAL_INSTRUCTION
  26   csrr t0, mcause
  27   bne t0, t1, fail
  28   csrr t0, mepc
  29   addi t0, t0, 8
  30   csrw mepc, t0
  31   sret
  32
  33 RVTEST_CODE_END
  34
  35   .data
  36 RVTEST_DATA_BEGIN
  37
  38   TEST_DATA
  39
  40 RVTEST_DATA_END