| 1 | /* |
| 2 | * SPDX-License-Identifier: GPL-2.0-only 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 |
| 14 | |
| 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) |
| 22 | |
| 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) |
| 32 | |
| 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) |
| 44 | |
| 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) |
| 59 | |
| 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 |