Initial F2FS support

Signed-off-by: Tomas Mudrunka <tomas@mudrunka.cz>

.github/workflows/tests.yml

@@ -9,9 +9,9 @@ jobs:
       matrix:
         include:
         - os: ubuntu-20.04
-          pkgs: device-tree-compiler rauc simg2img u-boot-tools
+          pkgs: device-tree-compiler rauc simg2img u-boot-tools f2fs-tools
         - os: ubuntu-18.04
-          pkgs: device-tree-compiler simg2img u-boot-tools
+          pkgs: device-tree-compiler simg2img u-boot-tools f2fs-tools
 
     steps:
     - name: Inspect environment

Makefile.am

@@ -22,6 +22,7 @@ genimage_SOURCES = \
 	image-cpio.c \
 	image-cramfs.c \
 	image-ext2.c \
+	image-f2fs.c \
 	image-file.c \
 	image-fit.c \
 	image-flash.c \
@@ -66,6 +67,7 @@ EXTRA_DIST += \
 	test/ext4.config \
 	test/ext4test.0.dump \
 	test/ext4test.1.dump \
+	test/f2fs.config \
 	test/fit.its \
 	test/fit.config \
 	test/flash-types.config \

config.c

@@ -398,6 +398,16 @@ static struct config opts[] = {
 		.opt = CFG_STR("mkfsjffs2", NULL, CFGF_NONE),
 		.env = "GENIMAGE_MKFJFFS2",
 		.def = "mkfs.jffs2",
+	}, {
+		.name = "mkfsf2fs",
+		.opt = CFG_STR("mkfsf2fs", NULL, CFGF_NONE),
+		.env = "GENIMAGE_MKFSF2FS",
+		.def = "mkfs.f2fs",
+	}, {
+		.name = "sloadf2fs",
+		.opt = CFG_STR("sloadf2fs", NULL, CFGF_NONE),
+		.env = "GENIMAGE_SLOADF2FS",
+		.def = "sload.f2fs",
 	}, {
 		.name = "mkfsubifs",
 		.opt = CFG_STR("mkfsubifs", NULL, CFGF_NONE),

genimage.c

@@ -44,6 +44,7 @@ static struct image_handler *handlers[] = {
 	&ext2_handler,
 	&ext3_handler,
 	&ext4_handler,
+	&f2fs_handler,
 	&file_handler,
 	&fit_handler,
 	&flash_handler,

genimage.h

@@ -105,6 +105,7 @@ extern struct image_handler cramfs_handler;
 extern struct image_handler ext2_handler;
 extern struct image_handler ext3_handler;
 extern struct image_handler ext4_handler;
+extern struct image_handler f2fs_handler;
 extern struct image_handler file_handler;
 extern struct image_handler flash_handler;
 extern struct image_handler hdimage_handler;

image-f2fs.c

@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2022 Tomas Mudrunka <harviecz@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <confuse.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <errno.h>
+
+#include "genimage.h"
+
+static int f2fs_generate(struct image *image)
+{
+	int ret;
+
+	char *extraargs = cfg_getstr(image->imagesec, "extraargs");
+	char *label = cfg_getstr(image->imagesec, "label");
+
+	extraargs = cfg_getstr(image->imagesec, "extraargs");
+
+	ret = prepare_image(image, image->size);
+	if(ret)
+		return ret;
+
+	ret = systemp(image, "%s %s %s%s%s %s '%s'",
+			get_opt("mkfsf2fs"),
+			label ? "-l"  : "",
+			label ? "'" : "",
+			label ? label : "",
+			label ? "'" : "",
+			extraargs,
+			imageoutfile(image));
+
+	if(ret || image->empty)
+		return ret;
+
+	ret = systemp(image, "%s -f '%s' '%s'",
+			get_opt("sloadf2fs"),
+			mountpath(image),
+			imageoutfile(image));
+
+	return ret;
+}
+
+static cfg_opt_t f2fs_opts[] = {
+	CFG_STR("extraargs", "", CFGF_NONE),
+	CFG_STR("label", NULL, CFGF_NONE),
+	CFG_END()
+};
+
+struct image_handler f2fs_handler = {
+	.type = "f2fs",
+	.generate = f2fs_generate,
+	.opts = f2fs_opts,
+};

test/basic-images.test

@@ -339,6 +339,14 @@ test_expect_success mkfs_jffs2 "jffs2" "
 	md5sum -c '${testdir}/jffs2.md5'
 "
 
+exec_test_set_prereq mkfs.f2fs
+exec_test_set_prereq sload.f2fs
+exec_test_set_prereq fsck.f2fs
+test_expect_success mkfs_f2fs,sload_f2fs,fsck_f2fs "f2fs" "
+	run_genimage f2fs.config test.f2fs &&
+	fsck.f2fs images/test.f2fs
+"
+
 exec_test_set_prereq dd
 exec_test_set_prereq diff
 exec_test_set_prereq qemu-img

test/f2fs.config

@@ -0,0 +1,6 @@
+image test.f2fs {
+	f2fs {
+		label = "f2fstest"
+	}
+	size = 64M
+}