blob: dc70f32c907d0f6f025ec7e2c9e5ff3f3321f887 [file] [log] [blame]
b.liue9582032025-04-17 19:18:16 +08001#
2# Copyright (C) 2006-2009 OpenWrt.org
3#
4# This is free software, licensed under the GNU General Public License v2.
5# See /LICENSE for more information.
6#
7include $(TOPDIR)/rules.mk
8
9KERNEL_BUILD_DIR := $(BUILD_DIR_TOOLCHAIN)
10BUILD_DIR := $(KERNEL_BUILD_DIR)
11
12override QUILT:=
13override HOST_QUILT:=
14
15include $(INCLUDE_DIR)/kernel.mk
16
17PKG_NAME:=linux
18PKG_VERSION:=$(LINUX_VERSION)
19PKG_SOURCE:=$(LINUX_SOURCE)
20PKG_CPE_ID:=cpe:/o:linux:linux_kernel
21ifneq ($(call qstrip,$(CONFIG_KERNEL_GIT_CLONE_URI)),)
22 PKG_SOURCE_PROTO:=git
23 PKG_SOURCE_URL:=$(call qstrip,$(CONFIG_KERNEL_GIT_CLONE_URI))
24 PKG_SOURCE_VERSION:=$(call qstrip,$(CONFIG_KERNEL_GIT_REF))
25 PKG_MIRROR_HASH:=$(call qstrip,$(CONFIG_KERNEL_GIT_MIRROR_HASH))
26ifdef CHECK
27 PLATFORM_DIR:=$(firstword $(wildcard $(TOPDIR)/target/linux/feeds/$(BOARD) $(TOPDIR)/target/linux/$(BOARD)))
28 include $(PLATFORM_DIR)/Makefile
29 include $(INCLUDE_DIR)/kernel-version.mk
30 include $(INCLUDE_DIR)/kernel-build.mk
31 PKG_VERSION:=$(LINUX_VERSION)
32else
33 PKG_SOURCE:=$(LINUX_SOURCE)
34endif
35else
36 PKG_SOURCE:=$(LINUX_SOURCE)
37 PKG_SOURCE_URL:=$(LINUX_SITE)
38endif
39HOST_BUILD_DIR:=$(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)
40PKG_HASH:=$(LINUX_KERNEL_HASH)
41LINUX_DIR := $(HOST_BUILD_DIR)
42FILES_DIR :=
43PATCH_DIR := ./patches$(if $(wildcard ./patches-$(LINUX_VERSION)),-$(LINUX_VERSION))
44
45include $(INCLUDE_DIR)/toolchain-build.mk
46include $(INCLUDE_DIR)/kernel-defaults.mk
47
48ifeq ($(strip $(BOARD)),uml)
49 LINUX_KARCH:=$(subst x86_64,x86,$(subst i386,x86,$(ARCH)))
50endif
51
52HOST_EXTRACFLAGS=
53
54LINUX_HAS_HEADERS_INSTALL:=y
55
56HOST_KMAKE := $(MAKE) -C $(HOST_BUILD_DIR) \
57 $(KERNEL_MAKE_FLAGS) \
58 CC="$(KERNEL_CC)" \
59 HOSTCFLAGS="$(HOST_CFLAGS)"
60
61define Host/Configure/all
62 mkdir -p $(BUILD_DIR_TOOLCHAIN)/linux-dev
63 $(HOST_KMAKE) \
64 INSTALL_HDR_PATH="$(BUILD_DIR_TOOLCHAIN)/linux-dev/" \
65 headers_install
66endef
67
68# XXX: the following is needed to build lzma-loader
69ifneq ($(CONFIG_mips)$(CONFIG_mipsel),)
70 define Host/Configure/lzma
71 $(CP) \
72 $(HOST_BUILD_DIR)/arch/mips/include/asm/asm.h \
73 $(HOST_BUILD_DIR)/arch/mips/include/asm/regdef.h \
74 $(HOST_BUILD_DIR)/arch/mips/include/asm/asm-eva.h \
75 $(HOST_BUILD_DIR)/arch/mips/include/asm/isa-rev.h \
76 $(BUILD_DIR_TOOLCHAIN)/linux-dev/include/asm/
77 endef
78endif
79
80define Host/Configure/post/mips
81 $(call Host/Configure/lzma)
82endef
83
84define Host/Configure/post/mipsel
85 $(call Host/Configure/lzma)
86endef
87
88define Host/Prepare
89 rm -rf $(BUILD_DIR_TOOLCHAIN)/linux-*
90 $(call Kernel/Prepare/Default)
91 rm -f $(BUILD_DIR_TOOLCHAIN)/linux
92 ln -s linux-$(LINUX_VERSION) $(BUILD_DIR_TOOLCHAIN)/linux
93 $(SED) 's/@expr length/@-expr length/' $(HOST_BUILD_DIR)/Makefile
94endef
95
96define Host/Configure
97 yes '' | $(HOST_KMAKE) oldconfig
98 $(call Host/Configure/all)
99 $(call Host/Configure/post/$(ARCH))
100endef
101
102define Host/Compile
103endef
104
105define Host/Install
106 $(CP) $(BUILD_DIR_TOOLCHAIN)/linux-dev/* $(TOOLCHAIN_DIR)/
107endef
108
109define Host/Clean
110 rm -rf \
111 $(HOST_BUILD_DIR) \
112 $(BUILD_DIR_TOOLCHAIN)/linux \
113 $(BUILD_DIR_TOOLCHAIN)/linux-dev
114endef
115
116$(eval $(call HostBuild))