isa/rv64sv/illegal_vt_inst.S

   1 #*****************************************************************************
   2 # illegal_vt_inst.S
   3 #-----------------------------------------------------------------------------
   4 #
   5 # Test illegal vt instruction trap.
   6 #
   7
   8 #include "riscv_test.h"
   9 #include "test_macros.h"
  10
  11 RVTEST_RV64S
  12 RVTEST_CODE_BEGIN
  13
  14   mfpcr a3,cr0
  15   li a4,1
  16   slli a5,a4,8
  17   or a3,a3,a4 # enable traps
  18   mtpcr a3,cr0
  19
  20   la a3,handler
  21   mtpcr a3,cr3 # set exception handler
  22
  23   li a3,4
  24   vvcfgivl a3,a3,32,0
  25
  26   la a3,src1
  27   la a4,src2
  28   vld vx2,a3
  29   vld vx3,a4
  30   lui a0,%hi(vtcode1)
  31   vf %lo(vtcode1)(a0)
  32   fence.v.l
  33
  34 vtcode1:
  35   add x2,x2,x3
  36 illegal:
  37   .word 0x0
  38   stop
  39
  40 vtcode2:
  41   add x2,x2,x3
  42   stop
  43
  44 handler:
  45   vxcptkill
  46
  47   li x28,2
  48
  49   # check cause
  50   mfpcr a3,cr6
  51   li a4,26
  52   bne a3,a4,fail
  53
  54   # check badvaddr
  55   mfpcr a3,cr2
  56   la a4,illegal
  57   bne a3,a4,fail
  58
  59   # make sure vector unit has cleared out
  60   li a3,4
  61   vvcfgivl a3,a3,32,0
  62
  63   la a3,src1
  64   la a4,src2
  65   vld vx2,a3
  66   vld vx3,a4
  67   lui a0,%hi(vtcode2)
  68   vf %lo(vtcode2)(a0)
  69   la a5,dest
  70   vsd vx2,a5
  71   fence.v.l
  72
  73   ld a1,0(a5)
  74   li a2,5
  75   li x28,2
  76   bne a1,a2,fail
  77   ld a1,8(a5)
  78   li x28,3
  79   bne a1,a2,fail
  80   ld a1,16(a5)
  81   li x28,4
  82   bne a1,a2,fail
  83   ld a1,24(a5)
  84   li x28,5
  85   bne a1,a2,fail
  86
  87   TEST_PASSFAIL
  88
  89 RVTEST_CODE_END
  90
  91   .data
  92 RVTEST_DATA_BEGIN
  93
  94   TEST_DATA
  95
  96 src1:
  97   .dword 1
  98   .dword 2
  99   .dword 3
 100   .dword 4
 101 src2:
 102   .dword 4
 103   .dword 3
 104   .dword 2
 105   .dword 1
 106 dest:
 107   .dword 0xdeadbeefcafebabe
 108   .dword 0xdeadbeefcafebabe
 109   .dword 0xdeadbeefcafebabe
 110   .dword 0xdeadbeefcafebabe
 111
 112 RVTEST_DATA_END