2 * Copyright (C) 2001-2003 Hewlett-Packard Co.
3 * Contributed by Stephane Eranian <eranian@hpl.hp.com>
5 * Copyright (C) 2001 Silicon Graphics, Inc.
6 * Contributed by Brent Casavant <bcasavan@sgi.com>
8 * This file is part of the ELILO, the EFI Linux boot loader.
10 * GNU EFI is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2, or (at your option)
15 * GNU EFI is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with GNU EFI; see the file COPYING. If not, write to the Free
22 * Software Foundation, 59 Temple Place - Suite 330, Boston, MA
25 * Please check out the elilo.txt for complete documentation on how
26 * to use this program.
35 #define PTR_FMT L"0x%x"
37 #define PTR_FMT L"0x%lx"
40 #include "elilo_debug.h"
49 #define MB (1024*1024) /* 1 megabyte */
51 /* Round X up/down to A, which must be an integer power of two. */
52 #define ROUNDUP(x,a) (((x) + (a) - 1) & ~((a) - 1))
53 #define ROUNDDOWN(x,a) ((x) & ~((a) - 1))
58 #define ELILO_LOAD_SUCCESS 0
59 #define ELILO_LOAD_ABORTED 1
60 #define ELILO_LOAD_ERROR 2
61 #define ELILO_LOAD_RETRY 3
63 #define ELILO_DEFAULT_TIMEOUT ELILO_TIMEOUT_INFINITY
64 #define ELILO_TIMEOUT_INFINITY (~0UL)
66 #define CMDLINE_MAXLEN 512 /* needed by ia32 */
67 #define FILENAME_MAXLEN 256
69 /* Just pick an arbitrary number that's high enough for now :o) */
70 #define MAX_DEFAULT_CONFIGS 16
76 typedef struct config_file {
77 CHAR16 fname[FILENAME_MAXLEN];
82 * list of options controllable from both the command line
85 UINTN alt_check; /* always check for alternate kernel */
86 UINTN debug; /* debug print() on */
87 UINTN delay; /* delay before booting the image */
88 UINTN verbose; /* verbosity level [1-5] */
89 CHAR16 initrd[FILENAME_MAXLEN]; /* name of file for initial ramdisk */
90 CHAR16 vmcode[FILENAME_MAXLEN]; /* name of file for boot time module*/
91 UINT8 delay_set; /* mark whether or not delay was specified on cmdline */
92 UINT8 edd30_on; /* true is EDD30 variable is TRUE */
93 UINT8 edd30_no_force; /* don't force EDD30 variable to true */
95 * list of options controllable from either the command line
98 UINTN prompt; /* enter interactive mode */
99 UINTN parse_only; /* only parses the config file */
100 UINTN timeout; /* timeout before leaving interactive mode*/
102 image_opt_t img_opt; /* architecture independent per image options*/
104 sys_img_options_t *sys_img_opts; /* architecture depdendent per image options */
106 CHAR16 default_kernel[FILENAME_MAXLEN];
107 /* CHAR16 default_config[FILENAME_MAXLEN]; */
108 config_file_t default_configs[MAX_DEFAULT_CONFIGS];
110 CHAR16 config[FILENAME_MAXLEN]; /* name of config file */
111 CHAR16 chooser[FILENAME_MAXLEN]; /* image chooser to use */
115 extern elilo_config_t elilo_opt;
117 extern EFI_SYSTEM_TABLE *systab;
132 EFI_MEMORY_DESCRIPTOR *md;
140 #define MAX(a,b) ((a)>(b) ? (a) : (b))
144 #define MIN(a,b) ((a)>(b) ? (b) : (a))
147 #define VERB_PRT(n,cmd) \
148 { if (elilo_opt.verbose >= (n)) { cmd; } }
152 extern INTN alloc_init(VOID);
153 extern VOID *alloc(UINTN, EFI_MEMORY_TYPE);
154 extern VOID free(VOID *);
155 extern VOID *alloc_pages(UINTN, EFI_MEMORY_TYPE, EFI_ALLOCATE_TYPE, VOID *);
156 extern VOID free_pages(VOID *);
157 extern VOID free_all(VOID);
158 extern INTN alloc_kmem(VOID *, UINTN);
159 extern INTN alloc_kmem_anywhere(VOID **, UINTN);
160 extern VOID free_kmem(VOID);
161 extern VOID free_all_memory(VOID);
164 extern INTN read_file(UINTN fd, UINTN, CHAR8 *);
165 extern EFI_STATUS check_abort(VOID);
166 extern VOID reset_input(VOID);
167 extern INTN wait_timeout(UINTN);
168 extern INTN argify(CHAR16 *, UINTN, CHAR16 **);
169 extern VOID unargify(CHAR16 **, CHAR16 **);
170 extern void split_args(CHAR16 *, CHAR16 *, CHAR16 *);
171 extern INTN get_memmap(mmap_desc_t *);
172 extern VOID free_memmap(mmap_desc_t *);
173 extern INTN find_kernel_memory(VOID *low_addr, VOID *max_addr, UINTN alignment, VOID ** start);
174 extern VOID print_memmap(mmap_desc_t *);
175 extern VOID ascii2U(CHAR8 *, CHAR16 *, UINTN);
176 extern VOID U2ascii(CHAR16 *, CHAR8 *, UINTN);
178 /* from config.c (more in config.h) */
179 extern EFI_STATUS read_config(CHAR16 *);
180 extern VOID print_config_options(VOID);
181 extern INTN find_label(CHAR16 *, CHAR16 *, CHAR16 *, CHAR16 *, CHAR16 *);
182 extern VOID print_label_list(VOID);
183 extern INTN config_init(VOID);
184 extern CHAR16 *get_message_filename(INTN which);
185 extern CHAR16 *find_description(CHAR16 *label);
186 extern VOID *get_next_description(VOID *prev, CHAR16 **label, CHAR16 **description);
187 extern CHAR16 *get_config_file(VOID);
190 extern INTN load_file(CHAR16 *, memdesc_t *);
192 /* from alternate.c */
193 extern INTN alternate_kernel(CHAR16 *, UINTN);
195 /* from bootparams.c */
196 extern VOID *create_boot_params (CHAR16 *, memdesc_t *, memdesc_t *, UINTN *);
197 extern VOID free_boot_params(VOID *bp);
200 * architecture-specific API
204 extern INTN sysdeps_create_boot_params(boot_params_t *, CHAR8 *, memdesc_t *, memdesc_t *, UINTN *);
205 extern VOID sysdeps_free_boot_params(boot_params_t *);
206 extern INTN sysdeps_init(EFI_HANDLE dev);
207 extern INTN sysdeps_initrd_get_addr(kdesc_t *, memdesc_t *);
208 extern INTN sysdeps_preloop_actions(EFI_HANDLE, CHAR16 **, INTN, INTN, EFI_HANDLE);
209 extern CHAR16 *sysdeps_get_cmdline_opts(VOID);
210 extern INTN sysdeps_getopt(INTN, INTN, CHAR16 *);
211 extern VOID sysdeps_print_cmdline_opts(VOID);
212 extern INTN sysdeps_register_options(VOID);
214 #define CHAR_SLASH L'/'
215 #define CHAR_BACKSLASH L'\\'
217 #endif /* __ELILO_H__ */