66 lines
999 B
C
66 lines
999 B
C
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#ifndef __ZBOOT_MACRO_H
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#define __ZBOOT_MACRO_H
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/* The LIST command is used to include comments in the script */
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.macro LIST comment
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.endm
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/* The ED command is used to write a 32-bit word */
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.macro ED, addr, data
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LDR r0, 1f
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LDR r1, 2f
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STR r1, [r0]
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B 3f
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1 : .long \addr
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2 : .long \data
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3 :
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.endm
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/* The EW command is used to write a 16-bit word */
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.macro EW, addr, data
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LDR r0, 1f
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LDR r1, 2f
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STRH r1, [r0]
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B 3f
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1 : .long \addr
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2 : .long \data
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3 :
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.endm
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/* The EB command is used to write an 8-bit word */
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.macro EB, addr, data
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LDR r0, 1f
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LDR r1, 2f
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STRB r1, [r0]
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B 3f
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1 : .long \addr
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2 : .long \data
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3 :
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.endm
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/* The WAIT command is used to delay the execution */
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.macro WAIT, time, reg
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LDR r1, 1f
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LDR r0, 2f
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STR r0, [r1]
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10 :
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LDR r0, [r1]
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CMP r0, #0x00000000
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BNE 10b
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NOP
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B 3f
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1 : .long \reg
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2 : .long \time * 100
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3 :
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.endm
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/* The DD command is used to read a 32-bit word */
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.macro DD, start, end
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LDR r1, 1f
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B 2f
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1 : .long \start
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2 :
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.endm
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#endif /* __ZBOOT_MACRO_H */
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