isa/rv64si/wfi.S

   1 # See LICENSE for license details.
   2
   3 #*****************************************************************************
   4 # wfi.S
   5 #-----------------------------------------------------------------------------
   6 #
   7 # Test wait-for-interrupt instruction.
   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 sstatus mstatus
  18   #define sip mip
  19   #undef MIP_SSIP
  20   #define MIP_SSIP MIP_MSIP
  21   #undef SSTATUS_SIE
  22   #define SSTATUS_SIE MSTATUS_MIE
  23 #endif
  24
  25   # Make sure wfi doesn't stall if an interrupt is pending, even if masked
  26   csrc sstatus, SSTATUS_SIE
  27   csrs sip, MIP_SSIP
  28   wfi
  29
  30   RVTEST_PASS
  31
  32   TEST_PASSFAIL
  33
  34 RVTEST_CODE_END
  35
  36   .data
  37 RVTEST_DATA_BEGIN
  38
  39   TEST_DATA
  40
  41 RVTEST_DATA_END