isa/rv32si/sbreak.S

   1 #*****************************************************************************
   2 # scall.S
   3 #-----------------------------------------------------------------------------
   4 #
   5 # Test syscall 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   li TESTNUM, 2
  18   sbreak
  19   j fail
  20
  21   j pass
  22
  23   TEST_PASSFAIL
  24
  25 evec:
  26   li t1, CAUSE_BREAKPOINT
  27   csrr t0, cause
  28   bne t0, t1, fail
  29   csrr t0, epc
  30   addi t0, t0, 8
  31   csrw epc, t0
  32   sret
  33
  34 RVTEST_CODE_END
  35
  36   .data
  37 RVTEST_DATA_BEGIN
  38
  39   TEST_DATA
  40
  41 RVTEST_DATA_END