5ce0fe1176
Gather related code in the new file drivers/pc80/rtc/mc146818rtc_boot.c, call sanitize_cmos() from C environment bootblock. Change-Id: Ia5c64de208a5986299c0508d0e11eeb8473deef1 Signed-off-by: Nico Huber <nico.huber@secunet.com> Reviewed-on: https://review.coreboot.org/20768 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org>
66 lines
1.5 KiB
C
66 lines
1.5 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* This program 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; version 2 of the License.
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*
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* This program 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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#include <smp/node.h>
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#include <arch/bootblock_romcc.h>
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#include <pc80/mc146818rtc.h>
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#include <halt.h>
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static const char *get_fallback(const char *stagelist)
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{
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while (*stagelist)
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stagelist++;
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return ++stagelist;
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}
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static void main(unsigned long bist)
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{
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u8 boot_mode;
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const char *default_filenames =
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"normal/romstage\0fallback/romstage";
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if (boot_cpu()) {
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bootblock_mainboard_init();
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sanitize_cmos();
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boot_mode = do_normal_boot();
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} else {
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/* Questionable single byte read from CMOS.
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* Do not add any other CMOS access in the
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* bootblock for AP CPUs.
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*/
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boot_mode = boot_use_normal(cmos_read(RTC_BOOT_BYTE));
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}
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char *normal_candidate = (char *)walkcbfs("coreboot-stages");
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if (!normal_candidate)
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normal_candidate = default_filenames;
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unsigned long entry;
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if (boot_mode) {
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entry = findstage(normal_candidate);
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if (entry)
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call(entry, bist);
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}
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entry = findstage(get_fallback(normal_candidate));
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if (entry)
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call(entry, bist);
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/* duh. we're stuck */
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halt();
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}
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