Annotation of sys/arch/alpha/include/autoconf.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: autoconf.h,v 1.12 2001/09/01 05:48:18 jason Exp $ */
! 2: /* $NetBSD: autoconf.h,v 1.19 2000/06/08 03:10:06 thorpej Exp $ */
! 3:
! 4: /*
! 5: * Copyright (c) 1994, 1995, 1996 Carnegie-Mellon University.
! 6: * All rights reserved.
! 7: *
! 8: * Author: Chris G. Demetriou
! 9: *
! 10: * Permission to use, copy, modify and distribute this software and
! 11: * its documentation is hereby granted, provided that both the copyright
! 12: * notice and this permission notice appear in all copies of the
! 13: * software, derivative works or modified versions, and any portions
! 14: * thereof, and that both notices appear in supporting documentation.
! 15: *
! 16: * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
! 17: * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
! 18: * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
! 19: *
! 20: * Carnegie Mellon requests users of this software to return to
! 21: *
! 22: * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
! 23: * School of Computer Science
! 24: * Carnegie Mellon University
! 25: * Pittsburgh PA 15213-3890
! 26: *
! 27: * any improvements or extensions that they make and grant Carnegie the
! 28: * rights to redistribute these changes.
! 29: */
! 30:
! 31: /*
! 32: * Machine-dependent structures of autoconfiguration
! 33: */
! 34:
! 35: struct mainbus_attach_args {
! 36: const char *ma_name; /* device name */
! 37: int ma_slot; /* CPU "slot" number; only meaningful
! 38: when attaching CPUs */
! 39: };
! 40:
! 41: struct bootdev_data {
! 42: char *protocol;
! 43: int bus;
! 44: int slot;
! 45: int channel;
! 46: char *remote_address;
! 47: int unit;
! 48: int boot_dev_type;
! 49: char *ctrl_dev_type;
! 50: };
! 51:
! 52: /*
! 53: * The boot program passes a pointer (in the boot environment virtual
! 54: * address address space; "BEVA") to a bootinfo to the kernel using
! 55: * the following convention:
! 56: *
! 57: * a0 contains first free page frame number
! 58: * a1 contains page number of current level 1 page table
! 59: * if a2 contains BOOTINFO_MAGIC and a4 is nonzero:
! 60: * a3 contains pointer (BEVA) to bootinfo
! 61: * a4 contains bootinfo version number
! 62: * if a2 contains BOOTINFO_MAGIC and a4 contains 0 (backward compat):
! 63: * a3 contains pointer (BEVA) to bootinfo version
! 64: * (u_long), then the bootinfo
! 65: */
! 66:
! 67: #define BOOTINFO_MAGIC 0xdeadbeeffeedface
! 68:
! 69: struct bootinfo_v1 {
! 70: u_long ssym; /* 0: start of kernel sym table */
! 71: u_long esym; /* 8: end of kernel sym table */
! 72: char boot_flags[64]; /* 16: boot flags */
! 73: char booted_kernel[64]; /* 80: name of booted kernel */
! 74: void *hwrpb; /* 144: hwrpb pointer (BEVA) */
! 75: u_long hwrpbsize; /* 152: size of hwrpb data */
! 76: int (*cngetc)(void); /* 160: console getc pointer */
! 77: void (*cnputc)(int); /* 168: console putc pointer */
! 78: void (*cnpollc)(int); /* 176: console pollc pointer */
! 79: u_long pad[9]; /* 184: rsvd for future use */
! 80: /* 256: total size */
! 81: };
! 82:
! 83: /*
! 84: * Kernel-internal structure used to hold important bits of boot
! 85: * information. NOT to be used by boot blocks.
! 86: *
! 87: * Note that not all of the fields from the bootinfo struct(s)
! 88: * passed by the boot blocks aren't here (because they're not currently
! 89: * used by the kernel!). Fields here which aren't supplied by the
! 90: * bootinfo structure passed by the boot blocks are supposed to be
! 91: * filled in at startup with sane contents.
! 92: */
! 93: struct bootinfo_kernel {
! 94: u_long ssym; /* start of syms */
! 95: u_long esym; /* end of syms */
! 96: u_long hwrpb_phys; /* hwrpb physical address */
! 97: u_long hwrpb_size; /* size of hwrpb data */
! 98: char boot_flags[64]; /* boot flags */
! 99: char booted_kernel[64]; /* name of booted kernel */
! 100: char booted_dev[64]; /* name of booted device */
! 101: };
! 102:
! 103: /*
! 104: * Lookup table entry for Alpha system variations.
! 105: */
! 106: struct alpha_variation_table {
! 107: u_int64_t avt_variation; /* variation, from HWRPB */
! 108: const char *avt_model; /* model string */
! 109: };
! 110:
! 111: #ifdef _KERNEL
! 112: extern struct device *booted_device;
! 113: extern int booted_partition;
! 114: extern struct bootdev_data *bootdev_data;
! 115: extern struct bootinfo_kernel bootinfo;
! 116:
! 117: const char *alpha_variation_name(u_int64_t,
! 118: const struct alpha_variation_table *);
! 119: const char *alpha_unknown_sysname(void);
! 120: #endif /* _KERNEL */
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