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authorJosh Boyer <jwboyer@redhat.com>2012-11-05 09:09:24 +1030
committerRusty Russell <rusty@rustcorp.com.au>2012-12-14 13:05:28 +1030
commitd890f510c8e45aaf33b8737f211ea05aecb8b460 (patch)
treee2f48e1c67688576b3fc989552f708b55ab45617 /scripts
parent71eac70257b469bd43737232bce0fd960caebee1 (diff)
downloadlinux-d890f510c8e45aaf33b8737f211ea05aecb8b460.tar.gz
MODSIGN: Add modules_sign make target
If CONFIG_MODULE_SIG is set, and 'make modules_sign' is called then this patch will cause the modules to get a signature appended. The make target is intended to be run after 'make modules_install', and will modify the modules in-place in the installed location. It can be used to produce signed modules after they have been processed by distribution build scripts. Signed-off-by: Josh Boyer <jwboyer@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (minor typo fix)
Diffstat (limited to 'scripts')
-rw-r--r--scripts/Makefile.modsign32
1 files changed, 32 insertions, 0 deletions
diff --git a/scripts/Makefile.modsign b/scripts/Makefile.modsign
new file mode 100644
index 00000000000..abfda626dba
--- /dev/null
+++ b/scripts/Makefile.modsign
@@ -0,0 +1,32 @@
+# ==========================================================================
+# Signing modules
+# ==========================================================================
+
+PHONY := __modsign
+__modsign:
+
+include scripts/Kbuild.include
+
+__modules := $(sort $(shell grep -h '\.ko' /dev/null $(wildcard $(MODVERDIR)/*.mod)))
+modules := $(patsubst %.o,%.ko,$(wildcard $(__modules:.ko=.o)))
+
+PHONY += $(modules)
+__modsign: $(modules)
+ @:
+
+quiet_cmd_sign_ko = SIGN [M] $(2)/$(notdir $@)
+ cmd_sign_ko = $(mod_sign_cmd) $(2)/$(notdir $@)
+
+# Modules built outside the kernel source tree go into extra by default
+INSTALL_MOD_DIR ?= extra
+ext-mod-dir = $(INSTALL_MOD_DIR)$(subst $(patsubst %/,%,$(KBUILD_EXTMOD)),,$(@D))
+
+modinst_dir = $(if $(KBUILD_EXTMOD),$(ext-mod-dir),kernel/$(@D))
+
+$(modules):
+ $(call cmd,sign_ko,$(MODLIB)/$(modinst_dir))
+
+# Declare the contents of the .PHONY variable as phony. We keep that
+# information in a variable se we can use it in if_changed and friends.
+
+.PHONY: $(PHONY)