[Buildroot] [PATCH v3 2/4] linux: add custom linux logo
Yann E. MORIN
yann.morin.1998 at free.fr
Sat Jun 30 20:51:13 UTC 2018
Angelo, All,
On 2018-05-29 23:22 +0200, Angelo Compagnucci spake thusly:
> From: Angelo Compagnucci <angelo.compagnucci at gmail.com>
>
> This patch adds a simple way to change the linux bootup logo.
> The patch was kept purposely simple to support only the use cause
> where a user needs a colour linux boot up logo.
>
> Signed-off-by: Angelo Compagnucci <angelo at amarulasolutions.com>
Reviewed-by: "Yann E. MORIN" <yann.morin.1998 at free.fr>
But I have a small comment though, see below...
> ---
> linux/Config.in | 8 ++++++++
> linux/linux.mk | 15 +++++++++++++++
> 2 files changed, 23 insertions(+)
>
> diff --git a/linux/Config.in b/linux/Config.in
> index b1691fe..102bb22 100644
> --- a/linux/Config.in
> +++ b/linux/Config.in
> @@ -184,6 +184,14 @@ config BR2_LINUX_KERNEL_CONFIG_FRAGMENT_FILES
> A space-separated list of kernel configuration fragment files,
> that will be merged to the main kernel configuration file.
>
> +config BR2_LINUX_KERNEL_CUSTOM_LOGO_PATH
> + string "Custom logo file path"
> + help
> + Change the linux boot logo with your own graphics,
> + it can be used as an early bootsplash.o
I would add that support for framebuffer be enabled in the kernel
config.
> + Custom logo should be in png or jpg and it will be
> + converted to the linux kernel format (224 colors only).
I would also state that this replaces the existing logo file.
Regards,
Yann E. MORIN.
> #
> # Binary format
> #
> diff --git a/linux/linux.mk b/linux/linux.mk
> index 6b5f534..6083756 100644
> --- a/linux/linux.mk
> +++ b/linux/linux.mk
> @@ -226,6 +226,18 @@ define LINUX_TRY_PATCH_TIMECONST
> endef
> LINUX_POST_PATCH_HOOKS += LINUX_TRY_PATCH_TIMECONST
>
> +LINUX_KERNEL_CUSTOM_LOGO_PATH = $(call qstrip,$(BR2_LINUX_KERNEL_CUSTOM_LOGO_PATH))
> +ifneq ($(LINUX_KERNEL_CUSTOM_LOGO_PATH),)
> +LINUX_DEPENDENCIES += host-imagemagick
> +LINUX_KERNEL_CUSTOM_LOGO = y
> +define LINUX_KERNEL_CUSTOM_LOGO_CONVERT
> + $(HOST_DIR)/usr/bin/convert $(LINUX_KERNEL_CUSTOM_LOGO_PATH) \
> + -dither None -colors 224 -compress none \
> + $(LINUX_DIR)/drivers/video/logo/logo_linux_clut224.ppm
> +endef
> +LINUX_PRE_BUILD_HOOKS += LINUX_KERNEL_CUSTOM_LOGO_CONVERT
> +endif
> +
> ifeq ($(BR2_LINUX_KERNEL_USE_DEFCONFIG),y)
> LINUX_KCONFIG_DEFCONFIG = $(call qstrip,$(BR2_LINUX_KERNEL_DEFCONFIG))_defconfig
> else ifeq ($(BR2_LINUX_KERNEL_USE_ARCH_DEFAULT_CONFIG),y)
> @@ -325,6 +337,9 @@ define LINUX_KCONFIG_FIXUP_CMDS
> $(call KCONFIG_ENABLE_OPT,CONFIG_ARM_APPENDED_DTB,$(@D)/.config))
> $(if $(BR2_PACKAGE_KERNEL_MODULE_IMX_GPU_VIV),
> $(call KCONFIG_DISABLE_OPT,CONFIG_MXC_GPU_VIV,$(@D)/.config))
> + $(if $(LINUX_KERNEL_CUSTOM_LOGO),
> + $(call KCONFIG_ENABLE_OPT,CONFIG_LOGO,$(@D)/.config)
> + $(call KCONFIG_ENABLE_OPT,CONFIG_LOGO_LINUX_CLUT224,$(@D)/.config))
> endef
>
> ifeq ($(BR2_LINUX_KERNEL_DTS_SUPPORT),y)
> --
> 2.7.4
>
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