autoconf.h revision 1.14
1 /* $NetBSD: autoconf.h,v 1.14 1998/02/13 02:09:12 cgd Exp $ */ 2 3 /* 4 * Copyright (c) 1994, 1995, 1996 Carnegie-Mellon University. 5 * All rights reserved. 6 * 7 * Author: Chris G. Demetriou 8 * 9 * Permission to use, copy, modify and distribute this software and 10 * its documentation is hereby granted, provided that both the copyright 11 * notice and this permission notice appear in all copies of the 12 * software, derivative works or modified versions, and any portions 13 * thereof, and that both notices appear in supporting documentation. 14 * 15 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 16 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 17 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 18 * 19 * Carnegie Mellon requests users of this software to return to 20 * 21 * Software Distribution Coordinator or Software.Distribution (at) CS.CMU.EDU 22 * School of Computer Science 23 * Carnegie Mellon University 24 * Pittsburgh PA 15213-3890 25 * 26 * any improvements or extensions that they make and grant Carnegie the 27 * rights to redistribute these changes. 28 */ 29 30 /* 31 * Machine-dependent structures of autoconfiguration 32 */ 33 34 struct confargs; 35 36 typedef int (*intr_handler_t) __P((void *)); 37 38 struct abus { 39 struct device *ab_dv; /* back-pointer to device */ 40 int ab_type; /* bus type (see below) */ 41 void (*ab_intr_establish) /* bus's set-handler function */ 42 __P((struct confargs *, intr_handler_t, void *)); 43 void (*ab_intr_disestablish) /* bus's unset-handler function */ 44 __P((struct confargs *)); 45 caddr_t (*ab_cvtaddr) /* convert slot/offset to address */ 46 __P((struct confargs *)); 47 int (*ab_matchname) /* see if name matches driver */ 48 __P((struct confargs *, char *)); 49 }; 50 51 #define BUS_MAIN 1 /* mainbus */ 52 #define BUS_TC 2 /* TurboChannel */ 53 #define BUS_ASIC 3 /* IOCTL ASIC; under TurboChannel */ 54 #define BUS_TCDS 4 /* TCDS ASIC; under TurboChannel */ 55 56 #define BUS_INTR_ESTABLISH(ca, handler, val) \ 57 (*(ca)->ca_bus->ab_intr_establish)((ca), (handler), (val)) 58 #define BUS_INTR_DISESTABLISH(ca) \ 59 (*(ca)->ca_bus->ab_intr_establish)(ca) 60 #define BUS_CVTADDR(ca) \ 61 (*(ca)->ca_bus->ab_cvtaddr)(ca) 62 #define BUS_MATCHNAME(ca, name) \ 63 (*(ca)->ca_bus->ab_matchname)((ca), (name)) 64 65 struct confargs { 66 char *ca_name; /* Device name. */ 67 int ca_slot; /* Device slot. */ 68 int ca_offset; /* Offset into slot. */ 69 struct abus *ca_bus; /* bus device resides on. */ 70 }; 71 72 struct bootdev_data { 73 char *protocol; 74 int bus; 75 int slot; 76 int channel; 77 char *remote_address; 78 int unit; 79 int boot_dev_type; 80 char *ctrl_dev_type; 81 }; 82 83 /* 84 * The boot program passes a pointer (in the boot environment virtual 85 * address address space; "BEVA") to a bootinfo to the kernel using 86 * the following convention: 87 * 88 * a0 contains first free page frame number 89 * a1 contains page number of current level 1 page table 90 * if a2 contains BOOTINFO_MAGIC and a4 is nonzero: 91 * a3 contains pointer (BEVA) to bootinfo 92 * a4 contains bootinfo version number 93 * if a2 contains BOOTINFO_MAGIC and a4 contains 0 (backward compat): 94 * a3 contains pointer (BEVA) to bootinfo version 95 * (u_long), then the bootinfo 96 */ 97 98 #define BOOTINFO_MAGIC 0xdeadbeeffeedface 99 100 struct bootinfo_v1 { 101 u_long ssym; /* 0: start of kernel sym table */ 102 u_long esym; /* 8: end of kernel sym table */ 103 char boot_flags[64]; /* 16: boot flags */ 104 char booted_kernel[64]; /* 80: name of booted kernel */ 105 void *hwrpb; /* 144: hwrpb pointer (BEVA) */ 106 u_long hwrpbsize; /* 152: size of hwrpb data */ 107 int (*cngetc) __P((void)); /* 160: console getc pointer */ 108 void (*cnputc) __P((int)); /* 168: console putc pointer */ 109 void (*cnpollc) __P((int)); /* 176: console pollc pointer */ 110 u_long pad[9]; /* 184: rsvd for future use */ 111 /* 256: total size */ 112 }; 113 114 /* 115 * Kernel-internal structure used to hold important bits of boot 116 * information. NOT to be used by boot blocks. 117 * 118 * Note that not all of the fields from the bootinfo struct(s) 119 * passed by the boot blocks aren't here (because they're not currently 120 * used by the kernel!). Fields here which aren't supplied by the 121 * bootinfo structure passed by the boot blocks are supposed to be 122 * filled in at startup with sane contents. 123 */ 124 struct bootinfo_kernel { 125 u_long ssym; /* start of syms */ 126 u_long esym; /* end of syms */ 127 u_long hwrpb_phys; /* hwrpb physical address */ 128 u_long hwrpb_size; /* size of hwrpb data */ 129 char boot_flags[64]; /* boot flags */ 130 char booted_kernel[64]; /* name of booted kernel */ 131 char booted_dev[64]; /* name of booted device */ 132 }; 133 134 /* 135 * Lookup table entry for Alpha system variations. 136 */ 137 struct alpha_variation_table { 138 u_int64_t avt_variation; /* variation, from HWRPB */ 139 const char *avt_model; /* model string */ 140 }; 141 142 #ifdef _KERNEL 143 #ifdef EVCNT_COUNTERS 144 extern struct evcnt clock_intr_evcnt; 145 #endif 146 147 extern struct device *booted_device; 148 extern int booted_partition; 149 extern struct bootdev_data *bootdev_data; 150 extern struct bootinfo_kernel bootinfo; 151 152 const char *alpha_variation_name __P((u_int64_t, 153 const struct alpha_variation_table *)); 154 const char *alpha_unknown_sysname __P((void)); 155 #endif /* _KERNEL */ 156
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