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author | Warner Losh <imp@FreeBSD.org> | 2017-11-14 23:02:19 +0000 |
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committer | Warner Losh <imp@FreeBSD.org> | 2017-11-14 23:02:19 +0000 |
commit | ca987d4641cdcd7f27e153db17c5bf064934faf5 (patch) | |
tree | 6c3860e3ba8949be9528d644fbb7fa88d8bbbb79 /stand/i386/common/bootargs.h | |
parent | 6eac7115560381ce5c9e2939ab3fce82bb9b6a95 (diff) | |
download | src-ca987d4641cdcd7f27e153db17c5bf064934faf5.tar.gz src-ca987d4641cdcd7f27e153db17c5bf064934faf5.zip |
Move sys/boot to stand. Fix all references to new location
Sponsored by: Netflix
Notes
Notes:
svn path=/head/; revision=325834
Diffstat (limited to 'stand/i386/common/bootargs.h')
-rw-r--r-- | stand/i386/common/bootargs.h | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/stand/i386/common/bootargs.h b/stand/i386/common/bootargs.h new file mode 100644 index 000000000000..df558072f37f --- /dev/null +++ b/stand/i386/common/bootargs.h @@ -0,0 +1,93 @@ +/*- + * Copyright (c) 2012 Andriy Gapon <avg@FreeBSD.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms are freely + * permitted provided that the above copyright notice and this + * paragraph and the following disclaimer are duplicated in all + * such forms. + * + * This software is provided "AS IS" and without any express or + * implied warranties, including, without limitation, the implied + * warranties of merchantability and fitness for a particular + * purpose. + * + * $FreeBSD$ + */ + +#ifndef _BOOT_I386_ARGS_H_ +#define _BOOT_I386_ARGS_H_ + +#define KARGS_FLAGS_CD 0x1 +#define KARGS_FLAGS_PXE 0x2 +#define KARGS_FLAGS_ZFS 0x4 +#define KARGS_FLAGS_EXTARG 0x8 /* variably sized extended argument */ + +#define BOOTARGS_SIZE 24 /* sizeof(struct bootargs) */ +#define BA_BOOTFLAGS 8 /* offsetof(struct bootargs, bootflags) */ +#define BA_BOOTINFO 20 /* offsetof(struct bootargs, bootinfo) */ +#define BI_SIZE 48 /* offsetof(struct bootinfo, bi_size) */ + +/* + * We reserve some space above BTX allocated stack for the arguments + * and certain data that could hang off them. Currently only struct bootinfo + * is supported in that category. The bootinfo is placed at the top + * of the arguments area and the actual arguments are placed at ARGOFF offset + * from the top and grow towards the top. Hopefully we have enough space + * for bootinfo and the arguments to not run into each other. + * Arguments area below ARGOFF is reserved for future use. + */ +#define ARGSPACE 0x1000 /* total size of the BTX args area */ +#define ARGOFF 0x800 /* actual args offset within the args area */ +#define ARGADJ (ARGSPACE - ARGOFF) + +#ifndef __ASSEMBLER__ + +struct bootargs +{ + uint32_t howto; + uint32_t bootdev; + uint32_t bootflags; + union { + struct { + uint32_t pxeinfo; + uint32_t reserved; + }; + uint64_t zfspool; + }; + uint32_t bootinfo; + + /* + * If KARGS_FLAGS_EXTARG is set in bootflags, then the above fields + * are followed by a uint32_t field that specifies a size of the + * extended arguments (including the size field). + */ +}; + +#ifdef LOADER_GELI_SUPPORT +#include <crypto/intake.h> +#endif + +struct geli_boot_args +{ + uint32_t size; + union { + char gelipw[256]; + struct { + char notapw; /* + * single null byte to stop keybuf + * being interpreted as a password + */ + uint32_t keybuf_sentinel; +#ifdef LOADER_GELI_SUPPORT + struct keybuf *keybuf; +#else + void *keybuf; +#endif + }; + }; +}; + +#endif /*__ASSEMBLER__*/ + +#endif /* !_BOOT_I386_ARGS_H_ */ |