Merge tag 'pull-loongarch-20241016' of https://gitlab.com/gaosong/qemu into staging
[qemu/armbru.git] / hw / m68k / bootinfo.h
blob0b3e7c4ea019155e90da1f11d2b1db2834e8ef38
1 /*
2 * SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note
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
8 * This structure is copied right after the kernel by the bootstrap
9 * routine.
12 #ifndef HW_M68K_BOOTINFO_H
13 #define HW_M68K_BOOTINFO_H
15 #define BOOTINFO0(base, id) \
16 do { \
17 stw_be_p(base, id); \
18 base += 2; \
19 stw_be_p(base, sizeof(struct bi_record)); \
20 base += 2; \
21 } while (0)
23 #define BOOTINFO1(base, id, value) \
24 do { \
25 stw_be_p(base, id); \
26 base += 2; \
27 stw_be_p(base, sizeof(struct bi_record) + 4); \
28 base += 2; \
29 stl_be_p(base, value); \
30 base += 4; \
31 } while (0)
33 #define BOOTINFO2(base, id, value1, value2) \
34 do { \
35 stw_be_p(base, id); \
36 base += 2; \
37 stw_be_p(base, sizeof(struct bi_record) + 8); \
38 base += 2; \
39 stl_be_p(base, value1); \
40 base += 4; \
41 stl_be_p(base, value2); \
42 base += 4; \
43 } while (0)
45 #define BOOTINFOSTR(base, id, string) \
46 do { \
47 stw_be_p(base, id); \
48 base += 2; \
49 stw_be_p(base, \
50 (sizeof(struct bi_record) + strlen(string) + \
51 1 /* null termination */ + 3 /* padding */) & ~3); \
52 base += 2; \
53 for (unsigned i_ = 0; string[i_]; i_++) { \
54 stb_p(base++, string[i_]); \
55 } \
56 stb_p(base++, 0); \
57 base = QEMU_ALIGN_PTR_UP(base, 4); \
58 } while (0)
60 #define BOOTINFODATA(base, id, data, len) \
61 do { \
62 stw_be_p(base, id); \
63 base += 2; \
64 stw_be_p(base, \
65 (sizeof(struct bi_record) + len + \
66 2 /* length field */ + 3 /* padding */) & ~3); \
67 base += 2; \
68 stw_be_p(base, len); \
69 base += 2; \
70 for (unsigned i_ = 0; i_ < len; ++i_) { \
71 stb_p(base++, data[i_]); \
72 } \
73 base = QEMU_ALIGN_PTR_UP(base, 4); \
74 } while (0)
75 #endif