release/src-rt-6.x.4708/linux/linux-2.6.36/arch/sh/include/asm/romimage-macros.h

   1 #ifndef __ROMIMAGE_MACRO_H
   2 #define __ROMIMAGE_MACRO_H
   3
   4 /* The LIST command is used to include comments in the script */
   5 .macro  LIST comment
   6 .endm
   7
   8 /* The ED command is used to write a 32-bit word */
   9 .macro  ED, addr, data
  10         mov.l 1f, r1
  11         mov.l 2f, r0
  12         mov.l r0, @r1
  13         bra 3f
  14          nop
  15         .align 2
  16 1 :     .long \addr
  17 2 :     .long \data
  18 3 :
  19 .endm
  20
  21 /* The EW command is used to write a 16-bit word */
  22 .macro  EW, addr, data
  23         mov.l 1f, r1
  24         mov.l 2f, r0
  25         mov.w r0, @r1
  26         bra 3f
  27          nop
  28         .align 2
  29 1 :     .long \addr
  30 2 :     .long \data
  31 3 :
  32 .endm
  33
  34 /* The EB command is used to write an 8-bit word */
  35 .macro  EB, addr, data
  36         mov.l 1f, r1
  37         mov.l 2f, r0
  38         mov.b r0, @r1
  39         bra 3f
  40          nop
  41         .align 2
  42 1 :     .long \addr
  43 2 :     .long \data
  44 3 :
  45 .endm
  46
  47 /* The WAIT command is used to delay the execution */
  48 .macro  WAIT, time
  49         mov.l  2f, r3
  50 1 :
  51         nop
  52         tst     r3, r3
  53         bf/s    1b
  54         dt      r3
  55         bra     3f
  56          nop
  57         .align 2
  58 2 :     .long \time * 100
  59 3 :
  60 .endm
  61
  62 /* The DD command is used to read a 32-bit word */
  63 .macro  DD, addr, addr2, nr
  64         mov.l 1f, r1
  65         mov.l @r1, r0
  66         bra 2f
  67          nop
  68         .align 2
  69 1 :     .long \addr
  70 2 :
  71 .endm
  72
  73 #endif /* __ROMIMAGE_MACRO_H */