diff options
Diffstat (limited to 'src/vendorcode/google/chromeos/vboot2/misc.h')
| -rw-r--r-- | src/vendorcode/google/chromeos/vboot2/misc.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/src/vendorcode/google/chromeos/vboot2/misc.h b/src/vendorcode/google/chromeos/vboot2/misc.h new file mode 100644 index 0000000000..cae302bc1f --- /dev/null +++ b/src/vendorcode/google/chromeos/vboot2/misc.h @@ -0,0 +1,72 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2014 The ChromiumOS Authors. All rights reserved. + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef __CHROMEOS_VBOOT2_MISC_H__ +#define __CHROMEOS_VBOOT2_MISC_H__ + +#include "../vboot_common.h" + +void vboot2_verify_firmware(void); +void *vboot2_load_ramstage(void); +void verstage_main(void); +void *vboot_load_stage(int stage_index, + struct vboot_region *fw_main, + struct vboot_components *fw_info); +void vboot_reboot(void); + +/* + * this is placed at the start of the vboot work buffer. selected_region is used + * for the verstage to return the location of the selected slot. buffer is used + * by the vboot2 core. Keep the struct cpu architecture agnostic as it crosses + * stage boundaries. + */ +struct vb2_working_data { + uint32_t selected_region_offset; + uint32_t selected_region_size; + uint64_t buffer_size; + uint64_t buffer; +}; + +struct vb2_working_data * const vboot_get_working_data(void); + +static inline void vb2_get_selected_region(struct vb2_working_data *wd, + struct vboot_region *region) +{ + region->offset_addr = wd->selected_region_offset; + region->size = wd->selected_region_size; +} + +static inline void vb2_set_selected_region(struct vb2_working_data *wd, + struct vboot_region *region) +{ + wd->selected_region_offset = region->offset_addr; + wd->selected_region_size = region->size; +} + +static inline int vboot_is_slot_selected(struct vb2_working_data *wd) +{ + return wd->selected_region_size > 0; +} + +static inline int vboot_is_readonly_path(struct vb2_working_data *wd) +{ + return wd->selected_region_size == 0; +} + +#endif /* __CHROMEOS_VBOOT2_MISC_H__ */ |