[Minios-devel] [PATCH 40/40] mini-os: compile the dtc submodule for arm64

[Huang Shijie <shijie.huang@xxxxxxx>]

This patch changes the makefile, make it to compile the
DTC submodule for arm64 code.

This patch also creates .gitmodules for "dtc".

Change-Id: Iea6c98194529bac7af44184fa3fedfef24a12474
Jira: ENTOS-247
Signed-off-by: Huang Shijie <shijie.huang@xxxxxxx>
---
 .gitmodules |  3 +++
 Makefile    | 15 +++++++++++++++
 2 files changed, 18 insertions(+)
 create mode 100644 .gitmodules

diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..2d9e0ac
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "dtc"]
+       path = dtc
+       url = git://git.kernel.org/pub/scm/utils/dtc/dtc.git
diff --git a/Makefile b/Makefile
index a03621e..afa14a8 100644
--- a/Makefile
+++ b/Makefile
@@ -12,6 +12,13 @@ include Config.mk
 # Symlinks and headers that must be created before building the C files
 GENERATED_HEADERS := include/list.h $(ARCH_LINKS) include/mini-os 
include/$(TARGET_ARCH_FAM)/mini-os
 
+ifeq ($(TARGET_ARCH_FAM),arm)
+GENERATED_HEADERS += include/fdt.h include/libfdt.h
+
+include/%.h: dtc/libfdt/%.h
+       ln -s ../$^ $@
+endif
+
 EXTRA_DEPS += $(GENERATED_HEADERS)
 
 # Include common mini-os makerules.
@@ -36,6 +43,14 @@ TARGET := mini-os
 # Subdirectories common to mini-os
 SUBDIRS := lib xenbus console
 
+ifeq ($(TARGET_ARCH_FAM),arm)
+SUBDIRS += dtc/libfdt
+# Device tree support
+FDT_SRC := dtc/libfdt/fdt.c dtc/libfdt/fdt_ro.c dtc/libfdt/fdt_strerror.c
+
+src-y += ${FDT_SRC}
+endif
+
 src-$(CONFIG_BLKFRONT) += blkfront.c
 src-$(CONFIG_TPMFRONT) += tpmfront.c
 src-$(CONFIG_TPM_TIS) += tpm_tis.c
-- 
2.7.4


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