a73b93157f
It encourages users from writing to the FSF without giving an address. Linux also prefers to drop that and their checkpatch.pl (that we imported) looks out for that. This is the result of util/scripts/no-fsf-addresses.sh with no further editing. Change-Id: Ie96faea295fe001911d77dbc51e9a6789558fbd6 Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Reviewed-on: http://review.coreboot.org/11888 Tested-by: build bot (Jenkins) Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com> Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
175 lines
4 KiB
C
175 lines
4 KiB
C
/*
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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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#include <stdlib.h>
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#include <arch/stages.h>
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#include <cbfs.h>
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#include <cbmem.h>
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#include <console/console.h>
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#include <fallback.h>
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#include <halt.h>
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#include <lib.h>
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#include <program_loading.h>
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#include <romstage_handoff.h>
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#include <rmodule.h>
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#include <rules.h>
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#include <stage_cache.h>
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#include <symbols.h>
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#include <timestamp.h>
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/* Only can represent up to 1 byte less than size_t. */
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const struct mem_region_device addrspace_32bit = MEM_REGION_DEV_INIT(0, ~0UL);
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void run_romstage(void)
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{
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struct prog romstage =
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PROG_INIT(ASSET_ROMSTAGE, CONFIG_CBFS_PREFIX "/romstage");
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if (prog_locate(&romstage))
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goto fail;
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timestamp_add_now(TS_START_COPYROM);
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if (cbfs_prog_stage_load(&romstage))
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goto fail;
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timestamp_add_now(TS_END_COPYROM);
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prog_run(&romstage);
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fail:
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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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void __attribute__((weak)) stage_cache_add(int stage_id,
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const struct prog *stage) {}
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void __attribute__((weak)) stage_cache_load_stage(int stage_id,
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struct prog *stage) {}
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void __attribute__((weak)) ramstage_cache_invalid(void) {}
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static void run_ramstage_from_resume(struct romstage_handoff *handoff,
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struct prog *ramstage)
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{
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if (handoff != NULL && handoff->s3_resume) {
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/* Load the cached ramstage to runtime location. */
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stage_cache_load_stage(STAGE_RAMSTAGE, ramstage);
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if (prog_entry(ramstage) != NULL) {
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printk(BIOS_DEBUG, "Jumping to image.\n");
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prog_run(ramstage);
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}
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ramstage_cache_invalid();
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}
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}
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static int load_relocatable_ramstage(struct prog *ramstage)
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{
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struct rmod_stage_load rmod_ram = {
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.cbmem_id = CBMEM_ID_RAMSTAGE,
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.prog = ramstage,
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};
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return rmodule_stage_load(&rmod_ram);
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}
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void run_ramstage(void)
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{
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struct prog ramstage =
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PROG_INIT(ASSET_RAMSTAGE, CONFIG_CBFS_PREFIX "/ramstage");
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timestamp_add_now(TS_END_ROMSTAGE);
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/* Only x86 systems currently take the same firmware path on resume. */
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if (IS_ENABLED(CONFIG_ARCH_X86) && IS_ENABLED(CONFIG_EARLY_CBMEM_INIT))
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run_ramstage_from_resume(romstage_handoff_find_or_add(),
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&ramstage);
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if (prog_locate(&ramstage))
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goto fail;
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timestamp_add_now(TS_START_COPYRAM);
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if (IS_ENABLED(CONFIG_RELOCATABLE_RAMSTAGE)) {
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if (load_relocatable_ramstage(&ramstage))
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goto fail;
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} else if (cbfs_prog_stage_load(&ramstage))
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goto fail;
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stage_cache_add(STAGE_RAMSTAGE, &ramstage);
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timestamp_add_now(TS_END_COPYRAM);
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prog_run(&ramstage);
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fail:
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die("Ramstage was not loaded!\n");
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}
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#ifdef __RAMSTAGE__ // gc-sections should take care of this
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static struct prog global_payload =
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PROG_INIT(ASSET_PAYLOAD, CONFIG_CBFS_PREFIX "/payload");
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void __attribute__((weak)) mirror_payload(struct prog *payload)
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{
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return;
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}
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void payload_load(void)
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{
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struct prog *payload = &global_payload;
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timestamp_add_now(TS_LOAD_PAYLOAD);
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if (prog_locate(payload))
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goto out;
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mirror_payload(payload);
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/* Pass cbtables to payload if architecture desires it. */
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prog_set_entry(payload, selfload(payload),
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cbmem_find(CBMEM_ID_CBTABLE));
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out:
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if (prog_entry(payload) == NULL)
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die("Payload not loaded.\n");
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}
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void payload_run(void)
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{
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struct prog *payload = &global_payload;
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/* Reset to booting from this image as late as possible */
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boot_successful();
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printk(BIOS_DEBUG, "Jumping to boot code at %p(%p)\n",
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prog_entry(payload), prog_entry_arg(payload));
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post_code(POST_ENTER_ELF_BOOT);
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timestamp_add_now(TS_SELFBOOT_JUMP);
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/* Before we go off to run the payload, see if
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* we stayed within our bounds.
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*/
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checkstack(_estack, 0);
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prog_run(payload);
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}
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#endif
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