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Diffstat (limited to 'src/vboot/vboot_loader.c')
-rw-r--r--src/vboot/vboot_loader.c158
1 files changed, 0 insertions, 158 deletions
diff --git a/src/vboot/vboot_loader.c b/src/vboot/vboot_loader.c
deleted file mode 100644
index 6a7e284867..0000000000
--- a/src/vboot/vboot_loader.c
+++ /dev/null
@@ -1,158 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright 2015 Google, Inc.
- *
- * This program 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; version 2 of the License.
- *
- * This program 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.
- */
-
-#include <arch/early_variables.h>
-#include <cbfs.h>
-#include <cbmem.h>
-#include <console/console.h>
-#include <ec/google/chromeec/ec.h>
-#include <rmodule.h>
-#include <rules.h>
-#include <string.h>
-#include <vboot/misc.h>
-#include <vboot/symbols.h>
-#include <vboot/vboot_common.h>
-
-/* Ensure vboot configuration is valid: */
-_Static_assert(IS_ENABLED(CONFIG_VBOOT_STARTS_IN_BOOTBLOCK) +
- IS_ENABLED(CONFIG_VBOOT_STARTS_IN_ROMSTAGE) == 1,
- "vboot must either start in bootblock or romstage (not both!)");
-_Static_assert(!IS_ENABLED(CONFIG_VBOOT_SEPARATE_VERSTAGE) ||
- IS_ENABLED(CONFIG_VBOOT_STARTS_IN_BOOTBLOCK),
- "stand-alone verstage must start in (i.e. after) bootblock");
-_Static_assert(!IS_ENABLED(CONFIG_VBOOT_RETURN_FROM_VERSTAGE) ||
- IS_ENABLED(CONFIG_VBOOT_SEPARATE_VERSTAGE),
- "return from verstage only makes sense for separate verstages");
-
-/* The stage loading code is compiled and entered from multiple stages. The
- * helper functions below attempt to provide more clarity on when certain
- * code should be called. */
-
-static int verification_should_run(void)
-{
- if (IS_ENABLED(CONFIG_VBOOT_SEPARATE_VERSTAGE))
- return ENV_VERSTAGE;
- else if (IS_ENABLED(CONFIG_VBOOT_STARTS_IN_ROMSTAGE))
- return ENV_ROMSTAGE;
- else if (IS_ENABLED(CONFIG_VBOOT_STARTS_IN_BOOTBLOCK))
- return ENV_BOOTBLOCK;
- else
- die("impossible!");
-}
-
-static int verstage_should_load(void)
-{
- if (IS_ENABLED(CONFIG_VBOOT_SEPARATE_VERSTAGE))
- return ENV_BOOTBLOCK;
- else
- return 0;
-}
-
-static int vboot_executed CAR_GLOBAL;
-
-int vb2_logic_executed(void)
-{
- /* If we are in a stage that would load the verstage or execute the
- vboot logic directly, we store the answer in a global. */
- if (verstage_should_load() || verification_should_run())
- return car_get_var(vboot_executed);
-
- if (IS_ENABLED(CONFIG_VBOOT_STARTS_IN_BOOTBLOCK)) {
- /* All other stages are "after the bootblock" */
- return !ENV_BOOTBLOCK;
- } else if (IS_ENABLED(CONFIG_VBOOT_STARTS_IN_ROMSTAGE)) {
- /* Post-RAM stages are "after the romstage" */
-#ifdef __PRE_RAM__
- return 0;
-#else
- return 1;
-#endif
- } else {
- die("impossible!");
- }
-}
-
-static void vboot_prepare(void)
-{
- if (verification_should_run()) {
- /* Note: this path is not used for VBOOT_RETURN_FROM_VERSTAGE */
- verstage_main();
- car_set_var(vboot_executed, 1);
- vb2_save_recovery_reason_vbnv();
- } else if (verstage_should_load()) {
- struct cbfsf file;
- struct prog verstage =
- PROG_INIT(PROG_VERSTAGE,
- CONFIG_CBFS_PREFIX "/verstage");
-
- printk(BIOS_DEBUG, "VBOOT: Loading verstage.\n");
-
- /* load verstage from RO */
- if (cbfs_boot_locate(&file, prog_name(&verstage), NULL))
- die("failed to load verstage");
-
- cbfs_file_data(prog_rdev(&verstage), &file);
-
- if (cbfs_prog_stage_load(&verstage))
- die("failed to load verstage");
-
- /* verify and select a slot */
- prog_run(&verstage);
-
- /* This is not actually possible to hit this condition at
- * runtime, but this provides a hint to the compiler for dead
- * code elimination below. */
- if (!IS_ENABLED(CONFIG_VBOOT_RETURN_FROM_VERSTAGE))
- return;
-
- car_set_var(vboot_executed, 1);
- }
-
- /*
- * Fill in vboot cbmem objects before moving to ramstage so all
- * downstream users have access to vboot results. This path only
- * applies to platforms employing VBOOT_STARTS_IN_ROMSTAGE because
- * cbmem comes online prior to vboot verification taking place. For
- * other platforms the vboot cbmem objects are initialized when
- * cbmem comes online.
- */
- if (ENV_ROMSTAGE && IS_ENABLED(CONFIG_VBOOT_STARTS_IN_ROMSTAGE)) {
- vb2_store_selected_region();
- vboot_fill_handoff();
- }
-}
-
-static int vboot_locate(struct cbfs_props *props)
-{
- struct region selected_region;
-
- /* Don't honor vboot results until the vboot logic has run. */
- if (!vb2_logic_executed())
- return -1;
-
- if (vb2_get_selected_region(&selected_region))
- return -1;
-
- props->offset = region_offset(&selected_region);
- props->size = region_sz(&selected_region);
-
- return 0;
-}
-
-const struct cbfs_locator vboot_locator = {
- .name = "VBOOT",
- .prepare = vboot_prepare,
- .locate = vboot_locate,
-};