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a7d62b4fd4
This adds "ectool vboot", which works like so: # ./ectool vboot 0x06 image=A fake_dev=1 # ./ectool vboot 0 # ./ectool vboot 0x02 image=A fake_dev=0 # ./ectool vboot ff # ./ectool vboot 0x06 image=A fake_dev=1 You can set or unset the fake dev-switch, and see which firmware image the EC is running from. BUG=chrome-os-partner:8313 TEST=manual Boot the host, use crossystem to see the devsw_boot state. Change it with the ectool command, reboot, see that it's changed. Change-Id: Iaac40267338c6a07bc47b80e925e829bf1e1ae0c Signed-off-by: Bill Richardson <wfrichar@chromium.org>
34 lines
964 B
C
34 lines
964 B
C
/* Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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/* Verified boot module for Chrome EC */
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#ifndef __CROS_EC_VBOOT_H
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#define __CROS_EC_VBOOT_H
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#include "common.h"
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/* Pre-initializes the module. This occurs before clocks or tasks are
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* set up. */
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int vboot_pre_init(void);
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/* Initializes the module. */
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int vboot_init(void);
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/* These are the vboot commands available via LPC. */
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enum vboot_command {
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VBOOT_CMD_GET_FLAGS,
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VBOOT_CMD_SET_FLAGS,
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VBOOT_NUM_CMDS,
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};
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/* These are the flags transferred across LPC. At the moment, only the devmode
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flag can be set, and only because it's faked. Ultimately this functionality
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will be moved elsewhere. */
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#define VBOOT_FLAGS_IMAGE_MASK 0x03 /* enum system_image_copy_t */
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#define VBOOT_FLAGS_FAKE_DEVMODE 0x04 /* fake dev-mode bit */
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#endif /* __CROS_EC_VBOOT_H */
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