Logo Search packages:      
Sourcecode: linux version File versions  Download package

zboot_macros.h

#ifndef __ZBOOT_MACRO_H
#define __ZBOOT_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
      LDR   r0, 1f
      LDR   r1, 2f
      STR   r1, [r0]
      B     3f
1 :   .long \addr
2 :   .long \data
3 :
.endm

/* The EW command is used to write a 16-bit word */
.macro EW, addr, data
      LDR   r0, 1f
      LDR   r1, 2f
      STRH  r1, [r0]
      B     3f
1 :   .long \addr
2 :   .long \data
3 :
.endm

/* The EB command is used to write an 8-bit word */
.macro EB, addr, data
      LDR   r0, 1f
      LDR   r1, 2f
      STRB  r1, [r0]
      B     3f
1 :   .long \addr
2 :   .long \data
3 :
.endm

/* The WAIT command is used to delay the execution */
.macro  WAIT, time, reg
      LDR   r1, 1f
      LDR   r0, 2f
      STR   r0, [r1]
10 :
      LDR   r0, [r1]
      CMP   r0, #0x00000000
      BNE   10b
      NOP
      B     3f
1 :   .long \reg
2 :   .long \time * 100
3 :
.endm

/* The DD command is used to read a 32-bit word */
.macro  DD, start, end
      LDR   r1, 1f
      B     2f
1 :   .long \start
2 :
.endm

#endif /* __ZBOOT_MACRO_H */

Generated by  Doxygen 1.6.0   Back to index