LXR linux/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
  161 :     .long \addr
  172 :     .long \data
  183 :
  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
  291 :     .long \addr
  302 :     .long \data
  313 :
  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
  421 :     .long \addr
  432 :     .long \data
  443 :
  45.endm
  46
  47/* The WAIT command is used to delay the execution */
  48.macro  WAIT, time
  49        mov.l  2f, r3
  501 :
  51        nop
  52        tst     r3, r3
  53        bf/s    1b
  54        dt      r3
  55        bra     3f
  56         nop
  57        .align 2
  582 :     .long \time * 100
  593 :
  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
  691 :     .long \addr
  702 :
  71.endm
  72
  73#endif /* __ROMIMAGE_MACRO_H */
  74