js/src/jswince.asm

   1     INCLUDE kxarm.h
   2
   3     area js_msvc, code, readonly
   4
   5     MACRO
   6     FUNC_HEADER $Name
   7 FuncName    SETS    VBar:CC:"$Name":CC:VBar
   8 PrologName  SETS    VBar:CC:"$Name":CC:"_Prolog":CC:VBar
   9 FuncEndName SETS    VBar:CC:"$Name":CC:"_end":CC:VBar
  10
  11     AREA |.pdata|,ALIGN=2,PDATA
  12     DCD $FuncName
  13     DCD (($PrologName-$FuncName)/4) :OR: ((($FuncEndName-$FuncName)/4):SHL:8) :OR: 0x40000000
  14     AREA $AreaName,CODE,READONLY
  15     ALIGN       2
  16     GLOBAL      $FuncName
  17     EXPORT      $FuncName
  18 $FuncName
  19     ROUT
  20 $PrologName
  21     MEND
  22
  23     ;; -------- Functions to test processor features.
  24     export  js_arm_try_thumb_op
  25     export  js_arm_try_armv6t2_op
  26     export  js_arm_try_armv7_op
  27     export  js_arm_try_armv6_op
  28     export  js_arm_try_armv5_op
  29     export  js_arm_try_vfp_op
  30
  31     ;; Test for Thumb support.
  32     FUNC_HEADER js_arm_try_thumb_op
  33     bx lr
  34     mov pc, lr
  35     ENTRY_END
  36     endp
  37
  38     ;; I'm not smart enough to figure out which flags to pass to armasm to get it
  39     ;; to understand movt and fmdrr/vmov; the disassembler figures them out just fine!
  40
  41     ;; Test for Thumb2 support.
  42     FUNC_HEADER js_arm_try_armv6t2_op
  43     ;; movt r0,#0xFFFF
  44     DCD 0xE34F0FFF
  45     mov pc,lr
  46     ENTRY_END
  47     endp
  48
  49     ;; Test for VFP support.
  50     FUNC_HEADER js_arm_try_vfp_op
  51     ;; fmdrr d0, r0, r1
  52     DCD 0xEC410B10
  53     mov pc,lr
  54     ENTRY_END
  55     endp
  56
  57     ;; Tests for each architecture version.
  58
  59     FUNC_HEADER js_arm_try_armv7_op
  60     ;; pli pc, #0
  61     DCD 0xF45FF000
  62     mov pc, lr
  63     ENTRY_END
  64     endp
  65
  66     FUNC_HEADER js_arm_try_armv6_op
  67     ;; rev ip, ip
  68     DCD 0xE6BFCF3C
  69     mov pc, lr
  70     ENTRY_END
  71     endp
  72
  73     FUNC_HEADER js_arm_try_armv5_op
  74     ;; clz ip, ip
  75     DCD 0xE16FCF1C
  76     mov pc, lr
  77     ENTRY_END
  78     endp
  79
  80     ;; --------
  81
  82     end