isa/rv64sv/privileged_inst.S

   1 #*****************************************************************************
   2 # illegal_tvec_cmd.S
   3 #-----------------------------------------------------------------------------
   4 #
   5 # Test illegal tvec command 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   setpcr status, SR_U64
  26   clearpcr status, SR_S # clear S bit
  27
  28 privileged_inst:
  29   vxcptcause a3 # privileged inst
  30
  31 vtcode2:
  32   add x2,x2,x3
  33   stop
  34
  35 handler:
  36   vxcptkill
  37
  38   li x28,2
  39
  40   # check cause
  41   vxcptcause a3
  42   li a4,HWACHA_CAUSE_PRIVILEGED_INSTRUCTION
  43   bne a3,a4,fail
  44
  45   # check vec irq aux
  46   vxcptaux a3
  47   la a4, privileged_inst
  48   lw a5, 0(a4)
  49   bne a3,a5,fail
  50
  51   # make sure vector unit has cleared out
  52   vsetcfg 32,0
  53   li a3,4
  54   vsetvl a3,a3
  55
  56   la a3,src1
  57   la a4,src2
  58   vld vx2,a3
  59   vld vx3,a4
  60   lui a0,%hi(vtcode2)
  61   vf %lo(vtcode2)(a0)
  62   la a5,dest
  63   vsd vx2,a5
  64   fence
  65
  66   ld a1,0(a5)
  67   li a2,5
  68   li x28,2
  69   bne a1,a2,fail
  70   ld a1,8(a5)
  71   li x28,3
  72   bne a1,a2,fail
  73   ld a1,16(a5)
  74   li x28,4
  75   bne a1,a2,fail
  76   ld a1,24(a5)
  77   li x28,5
  78   bne a1,a2,fail
  79
  80   TEST_PASSFAIL
  81
  82 RVTEST_CODE_END
  83
  84   .data
  85 RVTEST_DATA_BEGIN
  86
  87   TEST_DATA
  88
  89 src1:
  90   .dword 1
  91   .dword 2
  92   .dword 3
  93   .dword 4
  94 src2:
  95   .dword 4
  96   .dword 3
  97   .dword 2
  98   .dword 1
  99 dest:
 100   .dword 0xdeadbeefcafebabe
 101   .dword 0xdeadbeefcafebabe
 102   .dword 0xdeadbeefcafebabe
 103   .dword 0xdeadbeefcafebabe
 104
 105 RVTEST_DATA_END