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 struct bi_record { 15 uint16_t tag; /* tag ID */ 16 uint16_t size; /* size of record */ 17 uint32_t data[0]; /* data */ 18 }; 19 20 /* machine independent tags */ 21 22 #define BI_LAST 0x0000 /* last record */ 23 #define BI_MACHTYPE 0x0001 /* machine type (u_long) */ 24 #define BI_CPUTYPE 0x0002 /* cpu type (u_long) */ 25 #define BI_FPUTYPE 0x0003 /* fpu type (u_long) */ 26 #define BI_MMUTYPE 0x0004 /* mmu type (u_long) */ 27 #define BI_MEMCHUNK 0x0005 /* memory chunk address and size */ 28 /* (struct mem_info) */ 29 #define BI_RAMDISK 0x0006 /* ramdisk address and size */ 30 /* (struct mem_info) */ 31 #define BI_COMMAND_LINE 0x0007 /* kernel command line parameters */ 32 /* (string) */ 33 34 /* Macintosh-specific tags (all u_long) */ 35 36 #define BI_MAC_MODEL 0x8000 /* Mac Gestalt ID (model type) */ 37 #define BI_MAC_VADDR 0x8001 /* Mac video base address */ 38 #define BI_MAC_VDEPTH 0x8002 /* Mac video depth */ 39 #define BI_MAC_VROW 0x8003 /* Mac video rowbytes */ 40 #define BI_MAC_VDIM 0x8004 /* Mac video dimensions */ 41 #define BI_MAC_VLOGICAL 0x8005 /* Mac video logical base */ 42 #define BI_MAC_SCCBASE 0x8006 /* Mac SCC base address */ 43 #define BI_MAC_BTIME 0x8007 /* Mac boot time */ 44 #define BI_MAC_GMTBIAS 0x8008 /* Mac GMT timezone offset */ 45 #define BI_MAC_MEMSIZE 0x8009 /* Mac RAM size (sanity check) */ 46 #define BI_MAC_CPUID 0x800a /* Mac CPU type (sanity check) */ 47 #define BI_MAC_ROMBASE 0x800b /* Mac system ROM base address */ 48 49 /* Macintosh hardware profile data */ 50 51 #define BI_MAC_VIA1BASE 0x8010 /* Mac VIA1 base address (always present) */ 52 #define BI_MAC_VIA2BASE 0x8011 /* Mac VIA2 base address (type varies) */ 53 #define BI_MAC_VIA2TYPE 0x8012 /* Mac VIA2 type (VIA, RBV, OSS) */ 54 #define BI_MAC_ADBTYPE 0x8013 /* Mac ADB interface type */ 55 #define BI_MAC_ASCBASE 0x8014 /* Mac Apple Sound Chip base address */ 56 #define BI_MAC_SCSI5380 0x8015 /* Mac NCR 5380 SCSI (base address, multi) */ 57 #define BI_MAC_SCSIDMA 0x8016 /* Mac SCSI DMA (base address) */ 58 #define BI_MAC_SCSI5396 0x8017 /* Mac NCR 53C96 SCSI (base address, multi) */ 59 #define BI_MAC_IDETYPE 0x8018 /* Mac IDE interface type */ 60 #define BI_MAC_IDEBASE 0x8019 /* Mac IDE interface base address */ 61 #define BI_MAC_NUBUS 0x801a /* Mac Nubus type (none, regular, pseudo) */ 62 #define BI_MAC_SLOTMASK 0x801b /* Mac Nubus slots present */ 63 #define BI_MAC_SCCTYPE 0x801c /* Mac SCC serial type (normal, IOP) */ 64 #define BI_MAC_ETHTYPE 0x801d /* Mac builtin ethernet type (Sonic, MACE */ 65 #define BI_MAC_ETHBASE 0x801e /* Mac builtin ethernet base address */ 66 #define BI_MAC_PMU 0x801f /* Mac power management / poweroff hardware */ 67 #define BI_MAC_IOP_SWIM 0x8020 /* Mac SWIM floppy IOP */ 68 #define BI_MAC_IOP_ADB 0x8021 /* Mac ADB IOP */ 69 70 #define BOOTINFO0(as, base, id) \ 71 do { \ 72 stw_phys(as, base, id); \ 73 base += 2; \ 74 stw_phys(as, base, sizeof(struct bi_record)); \ 75 base += 2; \ 76 } while (0) 77 78 #define BOOTINFO1(as, base, id, value) \ 79 do { \ 80 stw_phys(as, base, id); \ 81 base += 2; \ 82 stw_phys(as, base, sizeof(struct bi_record) + 4); \ 83 base += 2; \ 84 stl_phys(as, base, value); \ 85 base += 4; \ 86 } while (0) 87 88 #define BOOTINFO2(as, base, id, value1, value2) \ 89 do { \ 90 stw_phys(as, base, id); \ 91 base += 2; \ 92 stw_phys(as, base, sizeof(struct bi_record) + 8); \ 93 base += 2; \ 94 stl_phys(as, base, value1); \ 95 base += 4; \ 96 stl_phys(as, base, value2); \ 97 base += 4; \ 98 } while (0) 99 100 #define BOOTINFOSTR(as, base, id, string) \ 101 do { \ 102 int i; \ 103 stw_phys(as, base, id); \ 104 base += 2; \ 105 stw_phys(as, base, \ 106 (sizeof(struct bi_record) + strlen(string) + 2) & ~1); \ 107 base += 2; \ 108 for (i = 0; string[i]; i++) { \ 109 stb_phys(as, base++, string[i]); \ 110 } \ 111 stb_phys(as, base++, 0); \ 112 base = (parameters_base + 1) & ~1; \ 113 } while (0) 114 #endif 115