226 lines
6.5 KiB
C
226 lines
6.5 KiB
C
/*
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* Copyright (C) 2001-2003 Hewlett-Packard Co.
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* Contributed by Stephane Eranian <eranian@hpl.hp.com>
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*
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* Copyright (C) 2001 Silicon Graphics, Inc.
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* Contributed by Brent Casavant <bcasavan@sgi.com>
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*
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* This file is part of the ELILO, the EFI Linux boot loader.
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*
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* GNU EFI is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* GNU EFI is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU EFI; see the file COPYING. If not, write to the Free
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* Software Foundation, 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*
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* Please check out the elilo.txt for complete documentation on how
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* to use this program.
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*/
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#ifndef __ELILO_H__
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#define __ELILO_H__
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#define ELILO_VERSION L"3.16"
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#include <efi.h>
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#ifdef CONFIG_ia32
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#define PTR_FMT L"0x%x"
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#else
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#define PTR_FMT L"0x%lx"
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#endif
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#include "elilo_debug.h"
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#include "fileops.h"
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#include "chooser.h"
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#include "strops.h"
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#include "sysdeps.h"
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#define MB (1024*1024) /* 1 megabyte */
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/* Round X up/down to A, which must be an integer power of two. */
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#define ROUNDUP(x,a) (((x) + (a) - 1) & ~((a) - 1))
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#define ROUNDDOWN(x,a) ((x) & ~((a) - 1))
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#ifndef UINT32_MAX
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#define UINT32_MAX ((UINT32)-1)
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#endif
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/*
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* Elilo Boot modes
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*/
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#define ELILO_LOAD_SUCCESS 0
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#define ELILO_LOAD_ABORTED 1
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#define ELILO_LOAD_ERROR 2
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#define ELILO_LOAD_RETRY 3
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#define ELILO_DEFAULT_TIMEOUT ELILO_TIMEOUT_INFINITY
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#define ELILO_TIMEOUT_INFINITY (~0UL)
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#define CMDLINE_MAXLEN 2048
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#define PATHNAME_MAXLEN 512
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#define FILENAME_MAXLEN 256
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#define MAX_ARGS 256
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/* Just pick an arbitrary number that's high enough for now :o) */
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#define MAX_DEFAULT_CONFIGS 16
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typedef struct {
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UINT8 nothing_yet;
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} image_opt_t;
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typedef struct config_file {
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CHAR16 fname[FILENAME_MAXLEN];
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} config_file_t;
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typedef struct {
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/*
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* list of options controllable from both the command line
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* and the config file
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*/
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UINTN alt_check; /* always check for alternate kernel */
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UINTN debug; /* debug print() on */
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UINTN delay; /* delay before booting the image */
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UINTN verbose; /* verbosity level [1-5] */
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CHAR16 initrd[FILENAME_MAXLEN]; /* name of file for initial ramdisk */
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CHAR16 vmcode[FILENAME_MAXLEN]; /* name of file for boot time module*/
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UINT8 delay_set; /* mark whether or not delay was specified on cmdline */
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UINT8 edd30_on; /* true is EDD30 variable is TRUE */
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UINT8 edd30_no_force; /* don't force EDD30 variable to true */
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/*
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* list of options controllable from either the command line
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* or the config file
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*/
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UINTN prompt; /* enter interactive mode */
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UINTN parse_only; /* only parses the config file */
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UINTN timeout; /* timeout before leaving interactive mode*/
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image_opt_t img_opt; /* architecture independent per image options*/
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sys_img_options_t *sys_img_opts; /* architecture depdendent per image options */
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CHAR16 default_kernel[FILENAME_MAXLEN];
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/* CHAR16 default_config[FILENAME_MAXLEN]; */
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config_file_t default_configs[MAX_DEFAULT_CONFIGS];
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CHAR16 config[FILENAME_MAXLEN]; /* name of config file */
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CHAR16 chooser[FILENAME_MAXLEN]; /* image chooser to use */
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} elilo_config_t;
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extern elilo_config_t elilo_opt;
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extern EFI_SYSTEM_TABLE *systab;
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typedef struct {
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VOID *start_addr;
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UINTN pgcnt;
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UINTN size;
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} memdesc_t;
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typedef struct {
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VOID *kstart;
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VOID *kend;
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VOID *kentry;
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} kdesc_t;
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typedef struct {
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EFI_MEMORY_DESCRIPTOR *md;
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UINTN map_size;
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UINTN desc_size;
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UINTN cookie;
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UINT32 desc_version;
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} mmap_desc_t;
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#ifndef MAX
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#define MAX(a,b) ((a)>(b) ? (a) : (b))
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#endif
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#ifndef MIN
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#define MIN(a,b) ((a)>(b) ? (b) : (a))
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#endif
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#define VERB_PRT(n,cmd) \
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{ if (elilo_opt.verbose >= (n)) { cmd; } }
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/* from alloc.c */
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extern INTN alloc_init(VOID);
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extern VOID *alloc(UINTN, EFI_MEMORY_TYPE);
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extern VOID free(VOID *);
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extern VOID *alloc_pages(UINTN, EFI_MEMORY_TYPE, EFI_ALLOCATE_TYPE, VOID *);
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extern VOID free_pages(VOID *);
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extern VOID free_all(VOID);
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extern INTN alloc_kmem(VOID *, UINTN);
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extern INTN alloc_kmem_anywhere(VOID **, UINTN);
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extern VOID free_kmem(VOID);
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extern VOID free_all_memory(VOID);
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/* from util.c */
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extern INTN read_file(UINTN fd, UINTN, CHAR8 *);
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extern EFI_STATUS check_abort(VOID);
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extern VOID reset_input(VOID);
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extern INTN wait_timeout(UINTN);
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extern INTN argify(CHAR16 *, UINTN, CHAR16 **);
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extern VOID unargify(CHAR16 **, CHAR16 **);
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extern void split_args(CHAR16 *, CHAR16 *, CHAR16 *);
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extern INTN get_memmap(mmap_desc_t *);
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extern VOID free_memmap(mmap_desc_t *);
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extern INTN find_kernel_memory(VOID *low_addr, VOID *max_addr, UINTN alignment, VOID ** start);
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extern VOID print_memmap(mmap_desc_t *);
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extern VOID ascii2U(CHAR8 *, CHAR16 *, UINTN);
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extern VOID U2ascii(CHAR16 *, CHAR8 *, UINTN);
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/* from config.c (more in config.h) */
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extern EFI_STATUS read_config(CHAR16 *);
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extern VOID print_config_options(VOID);
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extern INTN find_label(CHAR16 *, CHAR16 *, CHAR16 *, CHAR16 *, CHAR16 *);
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extern VOID print_label_list(VOID);
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extern INTN config_init(VOID);
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extern CHAR16 *get_message_filename(INTN which);
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extern CHAR16 *find_description(CHAR16 *label);
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extern VOID *get_next_description(VOID *prev, CHAR16 **label, CHAR16 **description);
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extern CHAR16 *get_config_file(VOID);
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/* from initrd.c */
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extern INTN load_file(CHAR16 *, memdesc_t *);
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/* from alternate.c */
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extern INTN alternate_kernel(CHAR16 *, UINTN);
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/* from bootparams.c */
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extern VOID *create_boot_params (CHAR16 *, memdesc_t *, memdesc_t *, UINTN *);
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extern VOID free_boot_params(VOID *bp);
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/*
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* architecture-specific API
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*/
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extern INTN sysdeps_create_boot_params(boot_params_t *, CHAR8 *, memdesc_t *, memdesc_t *, UINTN *);
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extern VOID sysdeps_free_boot_params(boot_params_t *);
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extern INTN sysdeps_init(EFI_HANDLE dev);
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extern INTN sysdeps_initrd_get_addr(kdesc_t *, memdesc_t *);
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extern INTN sysdeps_preloop_actions(EFI_HANDLE, CHAR16 **, INTN, INTN, EFI_HANDLE);
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extern CHAR16 *sysdeps_get_cmdline_opts(VOID);
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extern INTN sysdeps_getopt(INTN, INTN, CHAR16 *);
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extern VOID sysdeps_print_cmdline_opts(VOID);
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extern INTN sysdeps_register_options(VOID);
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extern VOID *sysdeps_checkfix_initrd(VOID *, memdesc_t *);
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#define CHAR_SLASH L'/'
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#define CHAR_BACKSLASH L'\\'
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#endif /* __ELILO_H__ */
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