!254 memory-based romfs

Merge pull request !254 from LeonChan/lc-master

Kconfig

@@ -90,6 +90,7 @@ menu "FileSystem"
 source "../../kernel/liteos_a/fs/vfs/Kconfig"
 source "../../kernel/liteos_a/fs/fat/Kconfig"
 source "../../kernel/liteos_a/fs/ramfs/Kconfig"
+source "../../kernel/liteos_a/fs/romfs/Kconfig"
 source "../../kernel/liteos_a/fs/nfs/Kconfig"
 source "../../kernel/liteos_a/fs/proc/Kconfig"
 source "../../kernel/liteos_a/fs/jffs2/Kconfig"

fs/romfs/Kconfig

@@ -0,0 +1,6 @@
+config FS_ROMFS
+    bool "Enable ROMFS"
+    default n
+    depends on FS_VFS
+    help
+      Answer Y to enable LiteOS support romfs filesystem.

fs/romfs/Makefile

@@ -0,0 +1,37 @@
+# Copyright (c) 2021-2021 Huawei Device Co., Ltd. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without modification,
+# are permitted provided that the following conditions are met:
+#
+# 1. Redistributions of source code must retain the above copyright notice, this list of
+#    conditions and the following disclaimer.
+#
+# 2. Redistributions in binary form must reproduce the above copyright notice, this list
+#    of conditions and the following disclaimer in the documentation and/or other materials
+#    provided with the distribution.
+#
+# 3. Neither the name of the copyright holder nor the names of its contributors may be used
+#    to endorse or promote products derived from this software without specific prior written
+#    permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+include $(LITEOSTOPDIR)/config.mk
+
+MODULE_NAME := $(notdir $(shell pwd))
+
+LOCAL_SRCS := $(wildcard $(LITEOSTHIRDPARTY)/NuttX/fs/romfs/*.c)
+
+LOCAL_FLAGS := $(LOCAL_INCLUDE) $(LITEOS_GCOV_OPTS)
+
+include $(MODULE)

tools/build/mk/liteos_tables_ldflags.mk

@@ -165,6 +165,7 @@ LITEOS_TABLES_DRIVER_LDFLAGS := \
 ####FS MAP####
 LITEOS_TABLES_FSMAP_LDFLAGS := \
     -uramfs_fsmap \
+    -uromfs_fsmap \
     -unfs_fsmap \
     -ufat_fsmap \
     -ujffs_fsmap \

tools/build/mk/los_config.mk

@@ -325,6 +325,11 @@ ifeq ($(LOSCFG_FS_RAMFS), y)
     LIB_SUBDIRS     += fs/ramfs
 endif
 
+ifeq ($(LOSCFG_FS_ROMFS), y)
+    LITEOS_BASELIB  += -lromfs
+    LIB_SUBDIRS     += fs/romfs
+endif
+
 ifeq ($(LOSCFG_FS_NFS), y)
     LITEOS_BASELIB  += -lnfs
     LIB_SUBDIRS     += fs/nfs

tools/scripts/make_rootfs/rootfsimg.sh

@@ -38,6 +38,7 @@ JFFS2_TOOL=mkfs.jffs2
 WIN_JFFS2_TOOL=mkfs.jffs2.exe
 YAFFS2_TOOL=mkyaffs2image100
 VFAT_TOOL=mkfs.vfat
+ROMFS_TOOL=genromfs
 MCOPY_TOOL=mcopy
 
 tool_check() {
@@ -66,8 +67,11 @@ if [ "${FSTYPE}" = "jffs2" ]; then
         ${JFFS2_TOOL} -q -o ${ROOTFS_IMG} -d ${ROOTFS_DIR} --pagesize=4096
     fi
 elif [ "${FSTYPE}" = "yaffs2" ]; then
-        tool_check ${YAFFS2_TOOL}
-	${YAFFS2_TOOL}  ${ROOTFS_DIR} ${ROOTFS_IMG} 2k 24bit
+    tool_check ${YAFFS2_TOOL}
+    ${YAFFS2_TOOL}  ${ROOTFS_DIR} ${ROOTFS_IMG} 2k 24bit
+elif [ "${FSTYPE}" = "romfs" ]; then
+    tool_check ${ROMFS_TOOL}
+    ${ROMFS_TOOL}  -d ${ROOTFS_DIR} -f ${ROOTFS_IMG}
 elif [ "${FSTYPE}" = "vfat" ]; then
     if [ "${system}" != "Linux" ] ; then
         echo "Unsupported fs type!" >&2