From b6adc16e08e0ee8bbc9cccf7af3882b6e1cb30c2 Mon Sep 17 00:00:00 2001
From: Helge Deller <deller@gmx.de>
Date: Sun, 20 Aug 2017 10:52:22 +0200
Subject: parisc: Wire up support for self-extracting kernel

Signed-off-by: Helge Deller <deller@gmx.de>
---
 arch/parisc/Kconfig  |  6 ++++++
 arch/parisc/Makefile | 16 +++++++++++++---
 2 files changed, 19 insertions(+), 3 deletions(-)

(limited to 'arch/parisc')

diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
index 9db4b4f2f8f5..13648519bd41 100644
--- a/arch/parisc/Kconfig
+++ b/arch/parisc/Kconfig
@@ -20,6 +20,12 @@ config PARISC
 	select BUG
 	select BUILDTIME_EXTABLE_SORT
 	select HAVE_PERF_EVENTS
+	select HAVE_KERNEL_BZIP2
+	select HAVE_KERNEL_GZIP
+	select HAVE_KERNEL_LZ4
+	select HAVE_KERNEL_LZMA
+	select HAVE_KERNEL_LZO
+	select HAVE_KERNEL_XZ
 	select GENERIC_ATOMIC64 if !64BIT
 	select GENERIC_IRQ_PROBE
 	select GENERIC_PCI_IOMAP
diff --git a/arch/parisc/Makefile b/arch/parisc/Makefile
index 75cb451b1f03..58fae5d2449d 100644
--- a/arch/parisc/Makefile
+++ b/arch/parisc/Makefile
@@ -24,15 +24,20 @@ KBUILD_DEFCONFIG := default_defconfig
 NM		= sh $(srctree)/arch/parisc/nm
 CHECKFLAGS	+= -D__hppa__=1
 LIBGCC		= $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
+export LIBGCC
 
 ifdef CONFIG_64BIT
 UTS_MACHINE	:= parisc64
 CHECKFLAGS	+= -D__LP64__=1 -m64
 CC_ARCHES	= hppa64
+LD_BFD		:= elf64-hppa-linux
 else # 32-bit
 CC_ARCHES	= hppa hppa2.0 hppa1.1
+LD_BFD		:= elf32-hppa-linux
 endif
 
+export LD_BFD
+
 ifneq ($(SUBARCH),$(UTS_MACHINE))
 	ifeq ($(CROSS_COMPILE),)
 		CC_SUFFIXES = linux linux-gnu unknown-linux-gnu
@@ -88,6 +93,8 @@ libs-y	+= arch/parisc/lib/ $(LIBGCC)
 
 drivers-$(CONFIG_OPROFILE)		+= arch/parisc/oprofile/
 
+boot	:= arch/parisc/boot
+
 PALO := $(shell if (which palo 2>&1); then : ; \
 	elif [ -x /sbin/palo ]; then echo /sbin/palo; \
 	fi)
@@ -116,11 +123,14 @@ INSTALL_TARGETS = zinstall install
 
 PHONY += bzImage $(BOOT_TARGETS) $(INSTALL_TARGETS)
 
-bzImage zImage: vmlinuz
+zImage: vmlinuz
 Image: vmlinux
 
-vmlinuz: vmlinux
-	@gzip -cf -9 $< > $@
+bzImage: vmlinux
+	$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
+
+vmlinuz: bzImage
+	$(OBJCOPY) $(boot)/bzImage $@
 
 install:
 	$(CONFIG_SHELL) $(src)/arch/parisc/install.sh \
-- 
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