75 lines
1.8 KiB
C
75 lines
1.8 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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* This file is part of the ELILO, the EFI Linux boot loader.
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*
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* ELILO 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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* ELILO 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 ELILO; 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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#include <efi.h>
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#include <efilib.h>
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#include "elilo.h"
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#include "loader.h"
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extern loader_ops_t plain_loader;
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extern loader_ops_t gzip_loader;
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static loader_ops_t *ldops_list;
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loader_ops_t *
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loader_probe(CHAR16 *kname)
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{
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loader_ops_t *ops;
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UINTN n = 0;
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for (ops= ldops_list; ops; ops = ops->next) {
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n++;
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VERB_PRT(3, Print(L"Probing loader: %s\n", ops->ld_name));
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if (ops->ld_probe(kname) == 0) {
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return ops;
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}
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}
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if (!n) {
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ERR_PRT((L"No loaders registered"));
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}
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return NULL;
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}
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INTN
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loader_register(loader_ops_t *ldops)
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{
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if (ldops == NULL) return -1;
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/* cheap sanity check */
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if (ldops->next) {
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ERR_PRT((L"loader %s is already registered", ldops->ld_name));
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return -1;
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}
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ldops->next = ldops_list;
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ldops_list = ldops;
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VERB_PRT(3, Print(L"New loader registered: %s\n", ldops->ld_name));
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return 0;
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}
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