loaders: add run_romstage() function to bootblock
Provide a common run_romstage() function to be used by bootblocks to load and run romstage. This is similar to run_ramstage() in that it provides a single entry point for doing the necessary work of loading and running romstage. Change-Id: Ia9643cc091f97a836cf5caefdff8df4a3443df4c Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/8709 Tested-by: build bot (Jenkins) Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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@ -22,6 +22,12 @@
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#include <stdint.h>
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#include <stddef.h>
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/************************
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* ROMSTAGE LOADING *
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************************/
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/* Run romstage from bootblock. */
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void run_romstage(void);
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/************************
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* RAMSTAGE LOADING *
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@ -17,6 +17,7 @@
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#
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bootblock-y += load_and_run_romstage.c
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romstage-y += cbfs_ramstage_loader.c
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romstage-y += load_and_run_ramstage.c
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ramstage-y += cbfs_payload_loader.c
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@ -0,0 +1,42 @@
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/*
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* This file is part of the coreboot project.
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*
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* Copyright 2015 Google Inc.
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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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <stdlib.h>
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#include <console/console.h>
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#include <arch/stages.h>
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#include <cbfs.h>
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#include <halt.h>
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#include <program_loading.h>
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void run_romstage(void)
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{
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void *entry;
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entry = cbfs_load_stage(CBFS_DEFAULT_MEDIA,
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CONFIG_CBFS_PREFIX "/romstage");
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if (entry == (void *)-1) {
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if (IS_ENABLED(CONFIG_BOOTBLOCK_CONSOLE))
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die("Couldn't load romstage.\n");
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halt();
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}
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stage_exit(entry);
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}
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