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kernel/linux-rt-4.4.41/arch/sh/include/asm/romimage-macros.h 1.06 KB
5113f6f70   김현기   kernel add
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  #ifndef __ROMIMAGE_MACRO_H
  #define __ROMIMAGE_MACRO_H
  
  /* The LIST command is used to include comments in the script */
  .macro	LIST comment
  .endm
  
  /* The ED command is used to write a 32-bit word */
  .macro  ED, addr, data
  	mov.l 1f, r1
  	mov.l 2f, r0
  	mov.l r0, @r1
  	bra 3f
  	 nop
  	.align 2
  1 :	.long \addr
  2 :	.long \data
  3 :
  .endm
  
  /* The EW command is used to write a 16-bit word */
  .macro  EW, addr, data
  	mov.l 1f, r1
  	mov.l 2f, r0
  	mov.w r0, @r1
  	bra 3f
  	 nop
  	.align 2
  1 :	.long \addr
  2 :	.long \data
  3 :
  .endm
  
  /* The EB command is used to write an 8-bit word */
  .macro  EB, addr, data
  	mov.l 1f, r1
  	mov.l 2f, r0
  	mov.b r0, @r1
  	bra 3f
  	 nop
  	.align 2
  1 :	.long \addr
  2 :	.long \data
  3 :
  .endm
  
  /* The WAIT command is used to delay the execution */
  .macro  WAIT, time
  	mov.l  2f, r3
  1 :
  	nop
  	tst     r3, r3
  	bf/s    1b
  	dt      r3
  	bra	3f
  	 nop
  	.align 2
  2 :	.long \time * 100
  3 :
  .endm
  
  /* The DD command is used to read a 32-bit word */
  .macro  DD, addr, addr2, nr
  	mov.l 1f, r1
  	mov.l @r1, r0
  	bra 2f
  	 nop
  	.align 2
  1 :	.long \addr
  2 :
  .endm
  
  #endif /* __ROMIMAGE_MACRO_H */