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(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 int i; \ 48 stw_p(base, id); \ 49 base += 2; \ 50 stw_p(base, \ 51 (sizeof(struct bi_record) + strlen(string) + \ 52 1 /* null termination */ + 3 /* padding */) & ~3); \ 53 base += 2; \ 54 for (i = 0; string[i]; i++) { \ 55 stb_p(base++, string[i]); \ 56 } \ 57 stb_p(base++, 0); \ 58 base = QEMU_ALIGN_PTR_UP(base, 4); \ 59 } while (0) 60 61 #define BOOTINFODATA(base, id, data, len) \ 62 do { \ 63 int i; \ 64 stw_p(base, id); \ 65 base += 2; \ 66 stw_p(base, \ 67 (sizeof(struct bi_record) + len + \ 68 2 /* length field */ + 3 /* padding */) & ~3); \ 69 base += 2; \ 70 stw_p(base, len); \ 71 base += 2; \ 72 for (i = 0; i < len; ++i) { \ 73 stb_p(base++, data[i]); \ 74 } \ 75 base = QEMU_ALIGN_PTR_UP(base, 4); \ 76 } while (0) 77 #endif 78