#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 */