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 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 = (base + 1) & ~1; \ 58 } while (0) 59 60 #define BOOTINFODATA(as, base, id, data, len) \ 61 do { \ 62 int i; \ 63 stw_phys(as, base, id); \ 64 base += 2; \ 65 stw_phys(as, base, \ 66 (sizeof(struct bi_record) + len + 3) & ~1); \ 67 base += 2; \ 68 stw_phys(as, base, len); \ 69 base += 2; \ 70 for (i = 0; i < len; ++i) { \ 71 stb_phys(as, base++, data[i]); \ 72 } \ 73 base = (base + 1) & ~1; \ 74 } while (0) 75 #endif 76