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clean up bootinfo v1 struct a bit: add a hwrpb size field (in a backward-

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compatible way), and clean up the comments to make things a bit clearer.
This commit is contained in:
cgd 1997-08-11 23:43:38 +00:00
parent 23b89c3726
commit 2d184c2262
1 changed files with 11 additions and 9 deletions
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20
sys/arch/alpha/include/autoconf.h
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@ -1,4 +1,4 @@
/* $NetBSD: autoconf.h,v 1.10 1997/07/25 07:01:42 cgd Exp $ */
/* $NetBSD: autoconf.h,v 1.11 1997/08/11 23:43:38 cgd Exp $ */
/*
* Copyright (c) 1994, 1995, 1996 Carnegie-Mellon University.
@ -81,13 +81,14 @@ struct bootdev_data {
};
/*
* The boot program passes a pointer to a bootinfo to the kernel
* using the following convention:
* The boot program passes a pointer (in the boot environment virtual
* address address space; "BEVA") to a bootinfo to the kernel using
* the following convention:
*
* a0 contains first free page frame number
* a1 contains page number of current level 1 page table
* if a2 contains BOOTINFO_MAGIC:
* a3 contains (boot env. virtual) address of bootinfo
* a3 contains pointer (BEVA) to bootinfo
*/
#define BOOTINFO_MAGIC 0xdeadbeeffeedface
@ -97,11 +98,12 @@ struct bootinfo_v1 {
u_long esym; /* 8: end of kernel sym table */
char boot_flags[64]; /* 16: boot flags */
char booted_kernel[64]; /* 80: name of booted kernel */
void *hwrpb; /* 144: hwrpb pointer */
int (*cngetc) __P((void)); /* 152: console getc pointer */
void (*cnputc) __P((int)); /* 160: console putc pointer */
void (*cnpollc) __P((int)); /* 168: console pollc pointer */
/* 176: total size */
void *hwrpb; /* 144: hwrpb pointer (BEVA) */
u_long hwrpbsize; /* 152: size of hwrpb data */
int (*cngetc) __P((void)); /* 160: console getc pointer */
void (*cnputc) __P((int)); /* 168: console putc pointer */
void (*cnpollc) __P((int)); /* 176: console pollc pointer */
/* 184: total size */
};
struct bootinfo {