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Posted to commits@nuttx.apache.org by xi...@apache.org on 2023/08/10 12:47:43 UTC
[nuttx] branch master updated: fdt: add libfdt support
This is an automated email from the ASF dual-hosted git repository.
xiaoxiang pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/nuttx.git
The following commit(s) were added to refs/heads/master by this push:
new 74dddfe92b fdt: add libfdt support
74dddfe92b is described below
commit 74dddfe92bd4ed8a871da29797923fcc9def482b
Author: liaoao <li...@xiaomi.com>
AuthorDate: Mon Jul 31 21:51:39 2023 +0800
fdt: add libfdt support
Signed-off-by: liaoao <li...@xiaomi.com>
---
libs/libc/.gitignore | 2 ++
libs/libc/Kconfig | 1 +
libs/libc/Makefile | 1 +
libs/libc/fdt/CMakeLists.txt | 44 ++++++++++++++++++++++++++++++++
libs/libc/fdt/Kconfig | 20 +++++++++++++++
libs/libc/fdt/Make.defs | 60 ++++++++++++++++++++++++++++++++++++++++++++
6 files changed, 128 insertions(+)
diff --git a/libs/libc/.gitignore b/libs/libc/.gitignore
index 2f99ba5919..355c8b8ed6 100644
--- a/libs/libc/.gitignore
+++ b/libs/libc/.gitignore
@@ -1,2 +1,4 @@
/exec_symtab.c
/modlib_symtab.c
+/dtc
+/dtc.zip
diff --git a/libs/libc/Kconfig b/libs/libc/Kconfig
index e8a220fe4b..3c15475ead 100644
--- a/libs/libc/Kconfig
+++ b/libs/libc/Kconfig
@@ -32,3 +32,4 @@ source "libs/libc/symtab/Kconfig"
source "libs/libc/stream/Kconfig"
source "libs/libc/regex/Kconfig"
source "libs/libc/gpsutils/Kconfig"
+source "libs/libc/fdt/Kconfig"
diff --git a/libs/libc/Makefile b/libs/libc/Makefile
index b18f91c36c..42d9f4c3e8 100644
--- a/libs/libc/Makefile
+++ b/libs/libc/Makefile
@@ -68,6 +68,7 @@ include uuid/Make.defs
include wchar/Make.defs
include wctype/Make.defs
include wqueue/Make.defs
+include fdt/Make.defs
# Use double delim to fix windows native build and give an error:
# makefile:132: *** target mode do not include“%”. stop.
diff --git a/libs/libc/fdt/CMakeLists.txt b/libs/libc/fdt/CMakeLists.txt
new file mode 100644
index 0000000000..1a2d39d068
--- /dev/null
+++ b/libs/libc/fdt/CMakeLists.txt
@@ -0,0 +1,44 @@
+# ##############################################################################
+# libs/libc/fdt/CMakeLists.txt
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more contributor
+# license agreements. See the NOTICE file distributed with this work for
+# additional information regarding copyright ownership. The ASF licenses this
+# file to you under the Apache License, Version 2.0 (the "License"); you may not
+# use this file except in compliance with the License. You may obtain a copy of
+# the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations under
+# the License.
+#
+# ##############################################################################
+if(CONFIG_LIBFDT)
+
+ set(VERSION CONFIG_LIBFDT_DTC_VERSION)
+
+ FetchContent_Declare(
+ dtc URL https://github.com/dgibson/dtc/archive/v$(VERSION).zip)
+ FetchContent_Populate(dtc)
+ FetchContent_GetProperties(dtc)
+
+ set(SRCS
+ fdt.c
+ fdt_ro.c
+ fdt_wip.c
+ fdt_sw.c
+ fdt_rw.c
+ fdt_strerror.c
+ fdt_empty_tree.c
+ fdt_addresses.c
+ fdt_overlay.c
+ fdt_check.c)
+ list(TRANSFORM SRCS PREPEND ${dtc_SOURCE_DIR}/libfdt/)
+ target_sources(c PRIVATE ${SRCS})
+
+ target_include_directories(c PRIVATE ${dtc_SOURCE_DIR}/libfdt)
+endif()
diff --git a/libs/libc/fdt/Kconfig b/libs/libc/fdt/Kconfig
new file mode 100644
index 0000000000..e0a62e2881
--- /dev/null
+++ b/libs/libc/fdt/Kconfig
@@ -0,0 +1,20 @@
+#
+# For a description of the syntax of this configuration file,
+# see the file kconfig-language.txt in the NuttX tools repository.
+#
+
+config LIBFDT
+ bool "Flattened Device Tree Library"
+ default n
+ ---help---
+ Enable or disable Flattened Device Tree Library features.
+
+if LIBFDT
+
+config LIBFDT_DTC_VERSION
+ string "LIBFDT DTC Version"
+ default "1.7.0"
+ ---help---
+ Version of DTC source code to download from github.
+
+endif # LIBFDT
diff --git a/libs/libc/fdt/Make.defs b/libs/libc/fdt/Make.defs
new file mode 100644
index 0000000000..78502c741b
--- /dev/null
+++ b/libs/libc/fdt/Make.defs
@@ -0,0 +1,60 @@
+############################################################################
+# libs/libc/fdt/Make.defs
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements. See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership. The
+# ASF licenses this file to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance with the
+# License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+#
+############################################################################
+
+ifeq ($(CONFIG_LIBFDT),y)
+
+VERSION=$(CONFIG_LIBFDT_DTC_VERSION)
+
+# Download and unpack tarball if no git repo found
+ifeq ($(wildcard dtc/.git),)
+dtc:
+ $(call DOWNLOAD,https://github.com/dgibson/dtc/archive,v$(VERSION).zip,dtc.zip)
+ $(Q) unzip -o dtc.zip
+ $(Q) mv dtc-$(VERSION) dtc
+else
+dtc:
+endif
+
+context:: dtc
+
+CSRCS += fdt.c
+CSRCS += fdt_ro.c
+CSRCS += fdt_wip.c
+CSRCS += fdt_sw.c
+CSRCS += fdt_rw.c
+CSRCS += fdt_strerror.c
+CSRCS += fdt_empty_tree.c
+CSRCS += fdt_addresses.c
+CSRCS += fdt_overlay.c
+CSRCS += fdt_check.c
+
+CFLAGS += ${INCDIR_PREFIX}$(TOPDIR)$(DELIM)libs$(DELIM)libc$(DELIM)dtc$(DELIM)libfdt$(DELIM)
+
+VPATH += dtc/libfdt
+SUBDIRS += dtc/libfdt
+DEPPATH += --dep-path dtc/libfdt
+
+distclean::
+ifeq ($(wildcard dtc/.git),)
+ $(call DELDIR, dtc)
+ $(call DELFILE, dtc.zip)
+endif
+
+endif