isa/rv64si/sbreak.S

   1 # See LICENSE for license details.
   2
   3 #*****************************************************************************
   4 # scall.S
   5 #-----------------------------------------------------------------------------
   6 #
   7 # Test syscall 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 sret mret
  22   #define stvec_handler mtvec_handler
  23 #endif
  24
  25   li TESTNUM, 2
  26   sbreak
  27   j fail
  28
  29   j pass
  30
  31   TEST_PASSFAIL
  32
  33 stvec_handler:
  34   li t1, CAUSE_BREAKPOINT
  35   csrr t0, scause
  36   bne t0, t1, fail
  37   csrr t0, sepc
  38   addi t0, t0, 8
  39   csrw sepc, t0
  40   sret
  41
  42 RVTEST_CODE_END
  43
  44   .data
  45 RVTEST_DATA_BEGIN
  46
  47   TEST_DATA
  48
  49 RVTEST_DATA_END