aboutsummaryrefslogtreecommitdiff
path: root/arch/arm/mach-shmobile/include/mach/zboot_macros.h
blob: aa6111fbc989717bee9b439f6ae710fab69be26a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
#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 */