isa/rv64si/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_RV64S
  14 RVTEST_CODE_BEGIN
  15
  16 #ifdef __MACHINE_MODE
  17   #define sscratch mscratch
  18   #define sstatus mstatus
  19   #define scause mcause
  20   #define sepc mepc
  21   #define stvec_handler mtvec_handler
  22 #endif
  23
  24   li TESTNUM, 2
  25   .word 0
  26   j fail
  27
  28   j pass
  29
  30   TEST_PASSFAIL
  31
  32 stvec_handler:
  33   li t1, CAUSE_ILLEGAL_INSTRUCTION
  34   csrr t0, scause
  35   bne t0, t1, fail
  36   csrr t0, sepc
  37   addi t0, t0, 8
  38   csrw sepc, t0
  39   sret
  40
  41 RVTEST_CODE_END
  42
  43   .data
  44 RVTEST_DATA_BEGIN
  45
  46   TEST_DATA
  47
  48 RVTEST_DATA_END