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   setpcr status, SR_EI # enable interrupt
  15
  16   la a3,handler
  17   mtpcr a3,evec # set exception handler
  18
  19   mfpcr a3,status
  20   li a4,(1 << IRQ_COP)
  21   slli a4,a4,SR_IM_SHIFT
  22   or a3,a3,a4 # enable IM[COP]
  23   mtpcr a3,status
  24
  25   vsetcfg 32,0
  26   li a3,4
  27   vsetvl a3,a3
  28
  29   la a3,src1
  30   la a4,src2
  31   vld vx2,a3
  32   vld vx3,a4
  33   lui a0,%hi(vtcode1)
  34   vf %lo(vtcode1)(a0)
  35   fence
  36
  37 vtcode1:
  38   add x2,x2,x3
  39 illegal:
  40   .word 0x0
  41   stop
  42
  43 vtcode2:
  44   add x2,x2,x3
  45   stop
  46
  47 handler:
  48   vxcptkill
  49
  50   li x28,2
  51
  52   # check cause
  53   vxcptcause a3
  54   li a4,HWACHA_CAUSE_VF_ILLEGAL_INSTRUCTION
  55   bne a3,a4,fail
  56
  57   # check badvaddr
  58   vxcptaux a3
  59   la a4,illegal
  60   bne a3,a4,fail
  61
  62   # make sure vector unit has cleared out
  63   vsetcfg 32,0
  64   li a3,4
  65   vsetvl a3,a3
  66
  67   la a3,src1
  68   la a4,src2
  69   vld vx2,a3
  70   vld vx3,a4
  71   lui a0,%hi(vtcode2)
  72   vf %lo(vtcode2)(a0)
  73   la a5,dest
  74   vsd vx2,a5
  75   fence
  76
  77   ld a1,0(a5)
  78   li a2,5
  79   li x28,2
  80   bne a1,a2,fail
  81   ld a1,8(a5)
  82   li x28,3
  83   bne a1,a2,fail
  84   ld a1,16(a5)
  85   li x28,4
  86   bne a1,a2,fail
  87   ld a1,24(a5)
  88   li x28,5
  89   bne a1,a2,fail
  90
  91   TEST_PASSFAIL
  92
  93 RVTEST_CODE_END
  94
  95   .data
  96 RVTEST_DATA_BEGIN
  97
  98   TEST_DATA
  99
 100 src1:
 101   .dword 1
 102   .dword 2
 103   .dword 3
 104   .dword 4
 105 src2:
 106   .dword 4
 107   .dword 3
 108   .dword 2
 109   .dword 1
 110 dest:
 111   .dword 0xdeadbeefcafebabe
 112   .dword 0xdeadbeefcafebabe
 113   .dword 0xdeadbeefcafebabe
 114   .dword 0xdeadbeefcafebabe
 115
 116 RVTEST_DATA_END