romimage-macros.h

Go to the documentation of this file.

#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 */