isa/rv64sv/ma_vt_inst.S

   1 # See LICENSE for license details.
   2
   3 #*****************************************************************************
   4 # ma_vt_inst.S
   5 #-----------------------------------------------------------------------------
   6 #
   7 # Test misaligned vt instruction trap.
   8 #
   9
  10 #include "riscv_test.h"
  11 #include "test_macros.h"
  12
  13 RVTEST_RV64SV
  14 RVTEST_CODE_BEGIN
  15
  16   la a3,handler
  17   csrw stvec,a3 # set exception handler
  18
  19   vsetcfg 32,0
  20   li a3,4
  21   vsetvl a3,a3
  22
  23   lui a0,%hi(vtcode1+2)
  24   vf %lo(vtcode1+2)(a0)
  25 1:      j 1b
  26
  27 vtcode1:
  28   add x2,x2,x3
  29   stop
  30
  31 handler:
  32   vxcptkill
  33
  34   li TESTNUM,2
  35
  36   # check cause
  37   csrr a3, scause
  38   li a4,HWACHA_CAUSE_VF_MISALIGNED_FETCH
  39   bne a3,a4,fail
  40
  41   # check badvaddr
  42   csrr a3, sbadaddr
  43   la a4,vtcode1+2
  44   andi a3, a3, -4 # mask off lower bits so that may
  45   andi a4, a4, -4 # ignore impl. specific behavior
  46   bne a3,a4,fail
  47
  48   # make sure vector unit has cleared out
  49   vsetcfg 32,0
  50   li a3,4
  51   vsetvl a3,a3
  52
  53   la a3,src1
  54   la a4,src2
  55   vld vx2,a3
  56   vld vx3,a4
  57   lui a0,%hi(vtcode1)
  58   vf %lo(vtcode1)(a0)
  59   la a5,dest
  60   vsd vx2,a5
  61   fence
  62
  63   ld a1,0(a5)
  64   li a2,5
  65   li TESTNUM,2
  66   bne a1,a2,fail
  67   ld a1,8(a5)
  68   li TESTNUM,3
  69   bne a1,a2,fail
  70   ld a1,16(a5)
  71   li TESTNUM,4
  72   bne a1,a2,fail
  73   ld a1,24(a5)
  74   li TESTNUM,5
  75   bne a1,a2,fail
  76
  77   TEST_PASSFAIL
  78
  79 RVTEST_CODE_END
  80
  81   .data
  82 RVTEST_DATA_BEGIN
  83
  84   TEST_DATA
  85
  86 src1:
  87   .dword 1
  88   .dword 2
  89   .dword 3
  90   .dword 4
  91 src2:
  92   .dword 4
  93   .dword 3
  94   .dword 2
  95   .dword 1
  96 dest:
  97   .dword 0xdeadbeefcafebabe
  98   .dword 0xdeadbeefcafebabe
  99   .dword 0xdeadbeefcafebabe
 100   .dword 0xdeadbeefcafebabe
 101
 102 RVTEST_DATA_END