Warning: This file is not a C or C++ file. It does not have highlighting.
1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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2 | #ifndef __ROMIMAGE_MACRO_H |
3 | #define __ROMIMAGE_MACRO_H |
4 | |
5 | /* The LIST command is used to include comments in the script */ |
6 | .macro LIST comment |
7 | .endm |
8 | |
9 | /* The ED command is used to write a 32-bit word */ |
10 | .macro ED, addr, data |
11 | mov.l 1f, r1 |
12 | mov.l 2f, r0 |
13 | mov.l r0, @r1 |
14 | bra 3f |
15 | nop |
16 | .align 2 |
17 | 1 : .long \addr |
18 | 2 : .long \data |
19 | 3 : |
20 | .endm |
21 | |
22 | /* The EW command is used to write a 16-bit word */ |
23 | .macro EW, addr, data |
24 | mov.l 1f, r1 |
25 | mov.l 2f, r0 |
26 | mov.w r0, @r1 |
27 | bra 3f |
28 | nop |
29 | .align 2 |
30 | 1 : .long \addr |
31 | 2 : .long \data |
32 | 3 : |
33 | .endm |
34 | |
35 | /* The EB command is used to write an 8-bit word */ |
36 | .macro EB, addr, data |
37 | mov.l 1f, r1 |
38 | mov.l 2f, r0 |
39 | mov.b r0, @r1 |
40 | bra 3f |
41 | nop |
42 | .align 2 |
43 | 1 : .long \addr |
44 | 2 : .long \data |
45 | 3 : |
46 | .endm |
47 | |
48 | /* The WAIT command is used to delay the execution */ |
49 | .macro WAIT, time |
50 | mov.l 2f, r3 |
51 | 1 : |
52 | nop |
53 | tst r3, r3 |
54 | bf/s 1b |
55 | dt r3 |
56 | bra 3f |
57 | nop |
58 | .align 2 |
59 | 2 : .long \time * 100 |
60 | 3 : |
61 | .endm |
62 | |
63 | /* The DD command is used to read a 32-bit word */ |
64 | .macro DD, addr, addr2, nr |
65 | mov.l 1f, r1 |
66 | mov.l @r1, r0 |
67 | bra 2f |
68 | nop |
69 | .align 2 |
70 | 1 : .long \addr |
71 | 2 : |
72 | .endm |
73 | |
74 | #endif /* __ROMIMAGE_MACRO_H */ |
75 |
Warning: This file is not a C or C++ file. It does not have highlighting.