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1 | /* |
2 | * SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note | |
3 | * | |
4 | * Bootinfo tags from linux bootinfo.h and bootinfo-mac.h: | |
5 | * This is an easily parsable and extendable structure containing all | |
6 | * information to be passed from the bootstrap to the kernel | |
7 | * | |
8 | * This structure is copied right after the kernel by the bootstrap | |
9 | * routine. | |
10 | */ | |
11 | ||
12 | #ifndef HW_M68K_BOOTINFO_H | |
13 | #define HW_M68K_BOOTINFO_H | |
04e7ca8d LV |
14 | |
15 | #define BOOTINFO0(as, base, id) \ | |
16 | do { \ | |
17 | stw_phys(as, base, id); \ | |
18 | base += 2; \ | |
19 | stw_phys(as, base, sizeof(struct bi_record)); \ | |
20 | base += 2; \ | |
21 | } while (0) | |
22 | ||
23 | #define BOOTINFO1(as, base, id, value) \ | |
24 | do { \ | |
25 | stw_phys(as, base, id); \ | |
26 | base += 2; \ | |
27 | stw_phys(as, base, sizeof(struct bi_record) + 4); \ | |
28 | base += 2; \ | |
29 | stl_phys(as, base, value); \ | |
30 | base += 4; \ | |
31 | } while (0) | |
32 | ||
33 | #define BOOTINFO2(as, base, id, value1, value2) \ | |
34 | do { \ | |
35 | stw_phys(as, base, id); \ | |
36 | base += 2; \ | |
37 | stw_phys(as, base, sizeof(struct bi_record) + 8); \ | |
38 | base += 2; \ | |
39 | stl_phys(as, base, value1); \ | |
40 | base += 4; \ | |
41 | stl_phys(as, base, value2); \ | |
42 | base += 4; \ | |
43 | } while (0) | |
44 | ||
45 | #define BOOTINFOSTR(as, base, id, string) \ | |
46 | do { \ | |
47 | int i; \ | |
48 | stw_phys(as, base, id); \ | |
49 | base += 2; \ | |
50 | stw_phys(as, base, \ | |
51 | (sizeof(struct bi_record) + strlen(string) + 2) & ~1); \ | |
52 | base += 2; \ | |
53 | for (i = 0; string[i]; i++) { \ | |
54 | stb_phys(as, base++, string[i]); \ | |
55 | } \ | |
56 | stb_phys(as, base++, 0); \ | |
57 | base = (parameters_base + 1) & ~1; \ | |
58 | } while (0) | |
59 | #endif |