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/*
* Copyright (C) 2001-2003 Hewlett-Packard Co.
* Contributed by Stephane Eranian <eranian@hpl.hp.com>
*
* This file is part of the ELILO, the EFI Linux boot loader.
*
* ELILO is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* ELILO is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with ELILO; see the file COPYING. If not, write to the Free
* Software Foundation, 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*
* Please check out the elilo.txt for complete documentation on how
* to use this program.
*/
#include <efi.h>
#include <efilib.h>
#include "elilo.h"
#include "config.h"
#include "private.h"
#include "sysdeps.h"
#include "getopt.h"
typedef struct {
CHAR16 fpswa[FILENAME_MAXLEN];
CHAR16 cmd_fpswa[FILENAME_MAXLEN];
UINTN allow_relocation;
} ia64_global_config_t;
#define ia64_opt_offsetof(option) (&((sys_img_options_t *)(0x0))->option)
static ia64_global_config_t ia64_gconf;
/*
* No IA-64 specific options at this point
* The last entry in each table MUST be use the OPT_NULL type to terminate
* the chain.
*/
config_option_t sysdeps_global_options[]={
{OPT_FILE, OPT_GLOBAL, L"fpswa", NULL, NULL, ia64_gconf.fpswa},
{OPT_BOOL, OPT_GLOBAL, L"relocatable", NULL, NULL, &ia64_gconf.allow_relocation},
};
config_option_t sysdeps_image_options[]={
{OPT_BOOL, OPT_IMAGE_SYS, L"relocatable", NULL, NULL, ia64_opt_offsetof(allow_relocation)},
};
/*
* IA-64 operations that need to be done only once and just before
* entering the main loop of the loader
* Return:
* 0 if sucessful
* -1 otherwise (will abort execution)
*/
INTN
sysdeps_preloop_actions(EFI_HANDLE dev, CHAR16 **argv, INTN argc, INTN index, EFI_HANDLE image)
{
/*
* we have separate string to make sure that the command line take precedence over
* the config file
*/
if (ia64_gconf.cmd_fpswa[0] != CHAR_NULL) {
check_fpswa(image, dev, ia64_gconf.cmd_fpswa);
} else if (ia64_gconf.fpswa[0] != CHAR_NULL)
check_fpswa(image, dev, ia64_gconf.fpswa);
else
check_fpswa(image, dev, NULL);
return 0;
}
/*
* Return:
* 1: if image or global configuration allows relocation
* 0: otherwise
*
* It is written has a function rather than a macro to avoid
* exposing config data structure to the rest of the code in ia64
*/
INTN
ia64_can_relocate(VOID)
{
return ia64_gconf.allow_relocation == TRUE
|| (elilo_opt.sys_img_opts && elilo_opt.sys_img_opts->allow_relocation ==TRUE) ? 1 : 0;
}
#define IA64_CMDLINE_OPTIONS L"rF:"
CHAR16 *
sysdeps_get_cmdline_opts(VOID)
{
return IA64_CMDLINE_OPTIONS;
}
INTN
sysdeps_getopt(INTN c, INTN optind, CHAR16 *optarg)
{
INTN ret = 0; /* let's be optimistic ! */
/*
* XXX: for now these command line options have to be global
*/
switch(c) {
case L'r':
ia64_gconf.allow_relocation = 1;
break;
case L'F':
if (StrLen(Optarg) >= FILENAME_MAXLEN) {
Print(L"FPSWA filename is limited to %d characters\n", FILENAME_MAXLEN);
return -1;
}
StrCpy(ia64_gconf.cmd_fpswa, Optarg);
break;
default:
ret = -1;
}
return ret;
}
VOID
sysdeps_print_cmdline_opts(VOID)
{
Print(L"-r kernel image can be relocated if load address inexistent\n");
Print(L"-F file name of a specific FPSWA EFI driver to load\n");
}
INTN
sysdeps_register_options(VOID)
{
INTN ret;
ret = register_config_options(sysdeps_global_options,
sizeof(sysdeps_global_options)/sizeof(config_option_t),
OPTIONS_GROUP_GLOBAL);
if (ret == -1 ) return ret;
ret = register_config_options(sysdeps_image_options,
sizeof(sysdeps_image_options)/sizeof(config_option_t),
OPTIONS_GROUP_IMAGE);
return ret;
}
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