initial buildroot for linux 5.15

package/kexec/0001-kexec-tools-Remove-duplicate-definition-of-ramdisk.patch

@@ -0,0 +1,32 @@
+From 5e7ce27626a44428c01e0e5ab3fe60ef98ca788c Mon Sep 17 00:00:00 2001
+From: Petr Tesarik <ptesarik@suse.cz>
+Date: Mon, 26 Apr 2021 15:29:51 +0200
+Subject: kexec-tools: Remove duplicate definition of ramdisk
+
+The ramdisk variable is defined in kexec/arch/ppc/kexec-ppc.c. This
+other definition is not needed and breaks build with -fno-common.
+
+Signed-off-by: Petr Tesarik <ptesarik@suse.com>
+Signed-off-by: Simon Horman <horms@verge.net.au>
+[Retrieved from:
+https://git.kernel.org/pub/scm/utils/kernel/kexec/kexec-tools.git/commit/?id=5e7ce27626a44428c01e0e5ab3fe60ef98ca788c]
+Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
+---
+ kexec/arch/ppc/kexec-elf-ppc.c | 1 -
+ 1 file changed, 1 deletion(-)
+
+diff --git a/kexec/arch/ppc/kexec-elf-ppc.c b/kexec/arch/ppc/kexec-elf-ppc.c
+index ad43ad1..4a4886e 100644
+--- a/kexec/arch/ppc/kexec-elf-ppc.c
++++ b/kexec/arch/ppc/kexec-elf-ppc.c
+@@ -33,7 +33,6 @@
+ static const int probe_debug = 0;
+ 
+ unsigned char reuse_initrd;
+-const char *ramdisk;
+ int create_flatten_tree(struct kexec_info *, unsigned char **, unsigned long *,
+ 			char *);
+ 
+-- 
+cgit 1.2.3-1.el7
+

package/kexec/Config.in

@@ -0,0 +1,22 @@
+config BR2_PACKAGE_KEXEC
+	bool "kexec"
+	depends on BR2_i386 || BR2_x86_64 || BR2_arm || BR2_armeb || \
+		BR2_mips || BR2_mips64 || BR2_mipsel || BR2_mips64el || \
+		BR2_powerpc || BR2_powerpc64 || BR2_powerpc64le || \
+		BR2_sh4 || BR2_sh4a || BR2_aarch64 || BR2_s390x
+	help
+	  Kexec is a user space utility for loading another kernel
+	  and asking the currently running kernel to do something with
+	  it.
+
+	  https://www.kernel.org/pub/linux/utils/kernel/kexec/
+
+if BR2_PACKAGE_KEXEC
+
+config BR2_PACKAGE_KEXEC_ZLIB
+	bool "zlib support"
+	select BR2_PACKAGE_ZLIB
+	help
+	  Support for compressed kernel images
+
+endif

package/kexec/kexec.hash

@@ -0,0 +1,4 @@
+# From https://www.kernel.org/pub/linux/utils/kernel/kexec/sha256sums.asc
+sha256  96c97f49ed86049f8b72722cb53e7fe3693e5a4f31e78a3a6249e3d18dac49c2  kexec-tools-2.0.22.tar.xz
+# locally calculated
+sha256  fa5fc1d1eec39532ea517518eeefd7b6e3c14341a55e5880a0e2a49eee47a5b7  COPYING

package/kexec/kexec.mk

@@ -0,0 +1,37 @@
+################################################################################
+#
+# kexec
+#
+################################################################################
+
+KEXEC_VERSION = 2.0.22
+KEXEC_SOURCE = kexec-tools-$(KEXEC_VERSION).tar.xz
+KEXEC_SITE = $(BR2_KERNEL_MIRROR)/linux/utils/kernel/kexec
+KEXEC_LICENSE = GPL-2.0
+KEXEC_LICENSE_FILES = COPYING
+KEXEC_SELINUX_MODULES = kdump
+
+# Makefile expects $STRIP -o to work, so needed for !BR2_STRIP_strip
+KEXEC_MAKE_OPTS = STRIP="$(TARGET_CROSS)strip"
+
+ifeq ($(BR2_PACKAGE_KEXEC_ZLIB),y)
+KEXEC_CONF_OPTS += --with-zlib
+KEXEC_DEPENDENCIES += zlib
+else
+KEXEC_CONF_OPTS += --without-zlib
+endif
+
+ifeq ($(BR2_PACKAGE_XZ),y)
+KEXEC_CONF_OPTS += --with-lzma
+KEXEC_DEPENDENCIES += xz
+else
+KEXEC_CONF_OPTS += --without-lzma
+endif
+
+define KEXEC_REMOVE_LIB_TOOLS
+	rm -rf $(TARGET_DIR)/usr/lib/kexec-tools
+endef
+
+KEXEC_POST_INSTALL_TARGET_HOOKS += KEXEC_REMOVE_LIB_TOOLS
+
+$(eval $(autotools-package))