On 09.02.24 08:01, 'Storm, Christian' via EFI Boot Guard wrote:
> Implemented as compile-time switch, enabling silent boot
> suppresses informational messages by EFI Boot Guard so
> that, e.g., EFI splash screens are not overwritten.
> Warning and error messages will still be printed.
>
> Signed-off-by: Christian Storm <christian.st...@siemens.com>
> ---
> configure.ac | 10 ++++++++++
> include/utils.h | 4 ++++
> main.c | 2 ++
> 3 files changed, 16 insertions(+)
>
> diff --git a/configure.ac b/configure.ac
> index b000603..bbd6ffb 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -190,6 +190,15 @@ AC_ARG_ENABLE([bootloader],
> AS_HELP_STRING([--disable-bootloader], [Compile the bootloader disabled,
> only make the tools]),
> , [enable_bootloader="yes"])
>
> +AC_ARG_ENABLE([silent-boot],
> + AS_HELP_STRING([--enable-silent-boot], [Do not output informational
> messages while booting]),
> + [silent_boot="yes"], [silent_boot="no"]
> +)
> +
> +if test "x$silent_boot" != "xno"; then
> + AC_DEFINE([SILENT_BOOT], [] , [Silent Boot])
> +fi
> +
> dnl pkg-config
> PKG_PROG_PKG_CONFIG()
> if test "x$PKG_CONFIG" = "xno"; then
> @@ -236,6 +245,7 @@ AC_MSG_RESULT([
> machine type: $MACHINE_TYPE_NAME
>
> build efi bootloader: ${enable_bootloader}
> + silent boot: ${silent_boot}
Wrong spot, moving to the end of the configs.
> enable shell completion: ${enable_completion}
>
> prefix: ${prefix}
> diff --git a/include/utils.h b/include/utils.h
> index 084796e..bb9efda 100644
> --- a/include/utils.h
> +++ b/include/utils.h
> @@ -54,5 +54,9 @@ VOID PrintC(const UINT8 color, const CHAR16 *fmt, ...);
> PrintC(EFI_LIGHTGRAY, fmt, ##__VA_ARGS__); \
> } while (0)
>
> +#if !defined(SILENT_BOOT)
> #define INFO(fmt, ...)
> \
> PrintC(EFI_LIGHTGRAY, fmt, ##__VA_ARGS__)
> +#else
> +#define INFO(fmt, ...) do { } while (0)
> +#endif
> diff --git a/main.c b/main.c
> index 0ff121a..0776eb0 100644
> --- a/main.c
> +++ b/main.c
> @@ -122,8 +122,10 @@ EFI_STATUS efi_main(EFI_HANDLE image_handle,
> EFI_SYSTEM_TABLE *system_table)
> this_image = image_handle;
> InitializeLib(this_image, system_table);
>
> + #if !defined(SILENT_BOOT)
Wrong indention, fixing up.
> (VOID) ST->ConOut->ClearScreen(ST->ConOut);
> PrintC(EFI_CYAN, L"EFI Boot Guard %s\n", L"" EFIBOOTGUARD_VERSION);
> + #endif
>
> status = BS->OpenProtocol(this_image, &LoadedImageProtocol,
> (VOID **)&loaded_image, this_image, NULL,
Applied with the adjustments above.
Thanks,
Jan
--
Siemens AG, Technology
Linux Expert Center
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