1 files changed, 75 insertions, 0 deletions
diff --git a/firmware/lib/include/vboot_ui_legacy_common.h b/firmware/lib/include/vboot_ui_legacy_common.h
new file mode 100644
index 00000000..ae081ae1
--- /dev/null
+++ b/firmware/lib/include/vboot_ui_legacy_common.h
@@ -0,0 +1,75 @@
+/* Copyright 2018 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ *
+ * Common code used by both legacy_clamshell_ui and legacy_menu_ui.
+ */
+
+#ifndef VBOOT_REFERENCE_VBOOT_UI_COMMON_H_
+#define VBOOT_REFERENCE_VBOOT_UI_COMMON_H_
+
+#define KEY_DELAY_MS	20	/* Delay between key scans in UI loops */
+
+enum vb2_beep_type {
+	VB_BEEP_FAILED,		/* Permitted but the operation failed */
+	VB_BEEP_NOT_ALLOWED,	/* Operation disabled by user setting */
+};
+
+/**
+ * Reinitialize global state. This should only need to be called
+ * by vboot_ui::vb2_init_ui() for init tests.
+ */
+void vb2_reset_power_button(void);
+
+/**
+ * Emit beeps to indicate an error
+ */
+void vb2_error_beep(enum vb2_beep_type beep);
+
+/**
+ * Prints a message to screen, logs a possibly different message to log,
+ * and beeps to notify user.
+ *
+ * @print_msg	Display message. NULL message will be ignored.
+ * @log_msg	Log message. If NULL, uses @print_msg (if that's not NULL).
+ * @beep	Type of beep sound.
+ */
+void vb2_error_notify(const char *print_msg,
+		      const char *log_msg,
+		      enum vb2_beep_type beep);
+
+/** Display an error and beep to indicate that altfw is not available */
+void vb2_error_no_altfw(void);
+
+/**
+ * Jump to a bootloader if possible
+ *
+ * This checks if the operation is permitted. If it is, then it jumps to the
+ * selected bootloader and execution continues there, never returning.
+ *
+ * Will beep and return if one of the following is true:
+ *   - operation is not permitted (allowed == 0)
+ *   - vboot data fails to commit
+ *   - secdata_kernel fails to lock
+ *   - bootloader cannot be found
+ *   - bootloader fails to start
+ *
+ * @param ctx		Context pointer
+ * @param allowed	1 if allowed, 0 if not allowed
+ * @param altfw_num	Number of bootloader to start (0=any, 1=first, etc.)
+ */
+void vb2_try_altfw(struct vb2_context *ctx, int allowed,
+		   enum VbAltFwIndex_t altfw_num);
+
+/**
+ * Checks GBB flags against VbExIsShutdownRequested() shutdown request to
+ * determine if a shutdown is required.
+ *
+ * Returns zero or more of the following flags (if any are set then typically
+ * shutdown is required):
+ * VB_SHUTDOWN_REQUEST_LID_CLOSED
+ * VB_SHUTDOWN_REQUEST_POWER_BUTTON
+ */
+int vb2_want_shutdown(struct vb2_context *ctx, uint32_t key);
+
+#endif  /* VBOOT_REFERENCE_VBOOT_UI_COMMON_H_ */