isa/rv64sv/illegal_vt_inst.S

   1 # See LICENSE for license details.
   2
   3 #*****************************************************************************
   4 # illegal_vt_inst.S
   5 #-----------------------------------------------------------------------------
   6 #
   7 # Test illegal 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   la a3,src1
  24   la a4,src2
  25   vld vx2,a3
  26   vld vx3,a4
  27   lui a0,%hi(vtcode1)
  28   vf %lo(vtcode1)(a0)
  29   fence
  30
  31 vtcode1:
  32   add x2,x2,x3
  33 illegal:
  34   .word 0x0
  35   stop
  36
  37 vtcode2:
  38   add x2,x2,x3
  39   stop
  40
  41 handler:
  42   vxcptkill
  43
  44   li TESTNUM,2
  45
  46   # check cause
  47   csrr a3, scause
  48   li a4,HWACHA_CAUSE_VF_ILLEGAL_INSTRUCTION
  49   bne a3,a4,fail
  50
  51   # check badvaddr
  52   csrr a3, sbadaddr
  53   la a4,illegal
  54   bne a3,a4,fail
  55
  56   # make sure vector unit has cleared out
  57   vsetcfg 32,0
  58   li a3,4
  59   vsetvl a3,a3
  60
  61   la a3,src1
  62   la a4,src2
  63   vld vx2,a3
  64   vld vx3,a4
  65   lui a0,%hi(vtcode2)
  66   vf %lo(vtcode2)(a0)
  67   la a5,dest
  68   vsd vx2,a5
  69   fence
  70
  71   ld a1,0(a5)
  72   li a2,5
  73   li TESTNUM,2
  74   bne a1,a2,fail
  75   ld a1,8(a5)
  76   li TESTNUM,3
  77   bne a1,a2,fail
  78   ld a1,16(a5)
  79   li TESTNUM,4
  80   bne a1,a2,fail
  81   ld a1,24(a5)
  82   li TESTNUM,5
  83   bne a1,a2,fail
  84
  85   TEST_PASSFAIL
  86
  87 RVTEST_CODE_END
  88
  89   .data
  90 RVTEST_DATA_BEGIN
  91
  92   TEST_DATA
  93
  94 src1:
  95   .dword 1
  96   .dword 2
  97   .dword 3
  98   .dword 4
  99 src2:
 100   .dword 4
 101   .dword 3
 102   .dword 2
 103   .dword 1
 104 dest:
 105   .dword 0xdeadbeefcafebabe
 106   .dword 0xdeadbeefcafebabe
 107   .dword 0xdeadbeefcafebabe
 108   .dword 0xdeadbeefcafebabe
 109
 110 RVTEST_DATA_END