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_p(base, id); \ 18 base += 2; \ 19 stw_p(base, sizeof(struct bi_record)); \ 20 base += 2; \ 21 } while (0) 22 23 #define BOOTINFO1(base, id, value) \ 24 do { \ 25 stw_p(base, id); \ 26 base += 2; \ 27 stw_p(base, sizeof(struct bi_record) + 4); \ 28 base += 2; \ 29 stl_p(base, value); \ 30 base += 4; \ 31 } while (0) 32 33 #define BOOTINFO2(base, id, value1, value2) \ 34 do { \ 35 stw_p(base, id); \ 36 base += 2; \ 37 stw_p(base, sizeof(struct bi_record) + 8); \ 38 base += 2; \ 39 stl_p(base, value1); \ 40 base += 4; \ 41 stl_p(base, value2); \ 42 base += 4; \ 43 } while (0) 44 45 #define BOOTINFOSTR(base, id, string) \ 46 do { \ 47 stw_p(base, id); \ 48 base += 2; \ 49 stw_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_p(base, id); \ 63 base += 2; \ 64 stw_p(base, \ 65 (sizeof(struct bi_record) + len + \ 66 2 /* length field */ + 3 /* padding */) & ~3); \ 67 base += 2; \ 68 stw_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 76