[PATCH 03/32] x86: Add a layout for Chrome OS verified boot

[Bin Meng]

Hi Simon,

On Mon, Sep 28, 2020 at 12:26 PM Simon Glass <sjg at chromium.org> wrote:
>
> Add definitions for part of the vboot context used with verified boot.
>
> Signed-off-by: Simon Glass <sjg at chromium.org>
> ---
>
>  arch/x86/include/asm/acpi/vbnv_layout.h | 38 +++++++++++++++++++++++++
>  1 file changed, 38 insertions(+)
>  create mode 100644 arch/x86/include/asm/acpi/vbnv_layout.h
>
> diff --git a/arch/x86/include/asm/acpi/vbnv_layout.h b/arch/x86/include/asm/acpi/vbnv_layout.h
> new file mode 100644
> index 00000000000..8bc4e9534ef
> --- /dev/null
> +++ b/arch/x86/include/asm/acpi/vbnv_layout.h
> @@ -0,0 +1,38 @@
> +/* SPDX-License-Identifier: GPL-2.0 */
> +/*
> + * Copyright 2020 Google LLC
> + */
> +
> +#ifndef __ASM_ACPI_VBNV_LAYOUT_H__
> +#define __ASM_ACPI_VBNV_LAYOUT_H__
> +
> +#define VBOOT_VBNV_BLOCK_SIZE 16       /* Size of NV storage block in bytes */
> +
> +/* Constants for NV storage, for use with ACPI */
> +#define HEADER_OFFSET                  0
> +#define HEADER_MASK                    0xc0
> +#define HEADER_SIGNATURE               0x40
> +#define HEADER_FIRMWARE_SETTINGS_RESET  0x20
> +#define HEADER_KERNEL_SETTINGS_RESET    0x10

It seems above two lines are using spaces not tabs before 0x

> +
> +#define BOOT_OFFSET                    1
> +#define BOOT_DEBUG_RESET_MODE          0x80
> +#define BOOT_DISABLE_DEV_REQUEST       0x40
> +#define BOOT_DISPLAY_REQUEST           0x20
> +#define BOOT_TRY_B_COUNT_MASK          0x0f
> +
> +#define RECOVERY_OFFSET                        2
> +#define LOCALIZATION_OFFSET            3
> +
> +#define DEV_FLAGS_OFFSET               4
> +#define DEV_BOOT_USB_MASK              0x01
> +#define DEV_BOOT_SIGNED_ONLY_MASK      0x02
> +#define DEV_ENABLE_UDC                 0x40
> +
> +#define MISC_FLAGS_OFFSET              8
> +#define MISC_FLAGS_BATTERY_CUTOFF_MASK 0x08
> +
> +#define KERNEL_FIELD_OFFSET            11
> +#define CRC_OFFSET                     15
> +
> +#endif /* __ASM_ACPI_VBNV_LAYOUT_H__ */
> --

Regards,
Bin