eeeck/zyxel-vmg8825_b50b-cfw
1
1
Fork 0
Code Activity

Initial dump from Zyxel

Browse Source
This commit is contained in:
Erick
2026-04-17 17:00:52 +02:00
commit 81fec250f4
23116 changed files with 5231237 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
package/system/fstools/patches/0001-enable_eMMC_ext4_boot_support.patch
Executable
+298
View File
@@ -0,0 +1,298 @@
From 4cd867fedc8a7593e7b26af8985d35ec6526d30e Mon Sep 17 00:00:00 2001
From: Ram Chandra Jangir <rjangi@codeaurora.org>
Date: Mon, 20 Jul 2015 20:04:48 +0530
Subject: [PATCH] fstools: Enable eMMC(ext4) boot support in fstools
This change enables eMMC +ext4 boot support in fstool,
preinit script will trigger mount_root which will look
for ext4 device and it will mount as rootfs_data, during
firstboot it will format and mount ext4 partition
Change-Id: I4acc2d4cde5cddd64f756b0aaba178752eb80941
Signed-off-by: Ram Chandra Jangir <rjangi@codeaurora.org>
---
.../fstools/patches/001-add_emmc_firstboot.patch | 211 ++++++++++++++++++++
1 file changed, 211 insertions(+)
create mode 100644 package/system/fstools/patches/001-add_emmc_firstboot.patch
diff --git a/package/system/fstools/patches/001-add_emmc_firstboot.patch b/package/system/fstools/patches/001-add_emmc_firstboot.patch
new file mode 100644
index 0000000..3dcd658
--- a/dev/null
+++ b/libfstools/ext4.c
@@ -0,0 +1,168 @@
+/*
+ * Copyright (c) 2015, The Linux Foundation. All rights reserved.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+
+
+#include <sys/mount.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <asm/byteorder.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <mtd/mtd-user.h>
+#include <glob.h>
+
+#include "libfstools.h"
+
+#include "volume.h"
+
+#define ext4_sysfs_path "/sys/block/mmcblk*/mmcblk*/uevent"
+#define PATH_MAX 128
+
+#define EXT_SB_OFF 0x400
+#define EXT_SB_KBOFF (EXT_SB_OFF >> 10)
+#define EXT_SB_MAGIC "\123\357"
+#define EXT_MAG_OFF 0x38
+
+struct ext4_priv {
+ char *name;
+ char *devname;
+};
+
+static struct driver ext4_driver;
+
+static int ext4_volume_init(struct volume *v)
+{
+ char buf[PATH_MAX];
+ struct ext4_priv *p;
+
+ p = (struct ext4_priv*)v->priv;
+ snprintf(buf, sizeof(buf), "/dev/%s",p->devname);
+
+ v->name = strdup(p->name);
+ v->type = 5;
+ v->blk = strdup(buf);
+ return 0;
+}
+
+static int ext4_find_index(char *dev,char *name)
+{
+ int j;
+ FILE *fp;
+ char tmp[PATH_MAX];
+ char partname[PATH_MAX];
+ glob_t gl;
+
+ if (glob(ext4_sysfs_path, GLOB_NOESCAPE | GLOB_MARK, NULL, &gl) < 0)
+ return -1;
+
+ for (j = 0; j < gl.gl_pathc; j++) {
+ if ((fp = fopen(gl.gl_pathv[j], "r"))) {
+ while(fgets(tmp, sizeof(tmp), fp)) {
+ if(strstr(tmp, "DEVNAME")) {
+ strcpy(partname,tmp+strlen("DEVNAME="));
+ }
+ if(strstr(tmp,name)) {
+ partname[sizeof(partname) - 1] = '\0';
+ j = strlen(partname) - 1;
+ while (j > 0 && partname[j] <= ' ')
+ partname[j--] = '\0';
+ strcpy(dev,partname);
+ fclose(fp);
+ globfree(&gl);
+ return 0;
+ }
+ }
+ fclose(fp);
+ }
+ }
+ globfree(&gl);
+ return -1;
+}
+
+static int check_for_mtd(const char *mtd)
+{
+ FILE *fp;
+ char dev[PATH_MAX];
+
+ if ((fp = fopen("/proc/mtd", "r"))) {
+ while (fgets(dev, sizeof(dev), fp)) {
+ if (strstr(dev, mtd)) {
+ fclose(fp);
+ return -1;
+ }
+ }
+ }
+ fclose(fp);
+ return 0;
+}
+
+static int ext4_volume_find(struct volume *v, char *name)
+{
+ char buf[PATH_MAX];
+ struct ext4_priv *p;
+
+ if (find_filesystem("ext4"))
+ return -1;
+
+ if (check_for_mtd(name))
+ return -1;
+
+ if(ext4_find_index(buf,name))
+ return -1;
+
+ p = calloc(1, sizeof(struct ext4_priv));
+ if (!p)
+ return -1;
+
+ v->priv = p;
+ v->drv = &ext4_driver;
+
+ p->devname = strdup(buf);
+ p->name = strdup(name);
+ return ext4_volume_init(v);
+}
+
+static int ext4_volume_identify(struct volume *v)
+{
+ char magic[32] = { 0 };
+ int off = (EXT_SB_KBOFF * 1024) + EXT_MAG_OFF;
+ int fd;
+
+ fd = open(v->blk, O_RDONLY);
+ if(fd == -1)
+ return -1;
+
+ lseek(fd, off, SEEK_SET);
+ read(fd, magic, sizeof(EXT_SB_MAGIC) - 1);
+ close(fd);
+
+ if (!memcmp(EXT_SB_MAGIC, magic, sizeof(EXT_SB_MAGIC) - 1)) {
+ return FS_EXT4FS;
+ }
+
+ fprintf(stderr, "ext4 is not ready - marker found\n");
+ return FS_DEADCODE;
+}
+
+static struct driver ext4_driver = {
+ .name = "ext4",
+ .find = ext4_volume_find,
+ .init = ext4_volume_init,
+ .identify = ext4_volume_identify,
+};
+DRIVER(ext4_driver);
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -11,6 +11,7 @@
libfstools/overlay.c
libfstools/volume.c
libfstools/mtd.c
+ libfstools/ext4.c
libfstools/mount.c
libfstools/ubi.c
libfstools/find.c)
--- a/mount_root.c
+++ b/mount_root.c
@@ -68,6 +68,7 @@
case FS_JFFS2:
case FS_UBIFS:
+ case FS_EXT4FS:
mount_overlay(data);
break;
@@ -106,6 +107,7 @@
case FS_JFFS2:
case FS_UBIFS:
+ case FS_EXT4FS:
fs_state_set("/overlay", FS_STATE_READY);
break;
}
--- a/libfstools/libfstools.h
+++ b/libfstools/libfstools.h
@@ -26,6 +26,7 @@
FS_JFFS2,
FS_DEADCODE,
FS_UBIFS,
+ FS_EXT4FS,
};
enum fs_state {
--- a/libfstools/overlay.c
+++ b/libfstools/overlay.c
@@ -101,7 +101,7 @@
static int
overlay_mount(struct volume *v, char *fs)
{
- if (mkdir("/tmp/overlay", 0755)) {
+ if (mkdir("/tmp/overlay", 0755) && errno != EEXIST) {
ULOG_ERR("failed to mkdir /tmp/overlay: %s\n", strerror(errno));
return -1;
}
@@ -196,6 +196,7 @@
jffs2_switch(struct volume *v)
{
char *mp;
+ char buf[32];
int ret = -1;
if (find_overlay_mount("overlayfs:/tmp/root"))
@@ -212,6 +213,11 @@
return -1;
}
+ if(!strcmp((char *)(v->drv->name),"ext4")) {
+ snprintf(buf,sizeof(buf),"mkfs.ext4 %s",v->blk);
+ system(buf);
+ }
+
switch (volume_identify(v)) {
case FS_NONE:
ULOG_ERR("no jffs2 marker found\n");
@@ -245,6 +251,15 @@
ret = -1;
}
break;
+ case FS_EXT4FS:
+ ret = overlay_mount(v, "ext4");
+ if (ret)
+ break;
+ if (mount_move("/tmp", "", "/overlay") || fopivot("/overlay", "/rom")) {
+ ULOG_ERR("switching to ext4 failed\n");
+ ret= -1;
+ }
+ break;
}
if (ret)
@@ -270,6 +285,9 @@
case FS_UBIFS:
fstype = "ubifs";
break;
+ case FS_EXT4FS:
+ fstype = "ext4";
+ break;
}
volume_init(v);
--- a/libfstools/find.c
+++ b/libfstools/find.c
@@ -102,7 +102,8 @@
if (mtd_only &&
strncmp(t, "jffs2", 5) &&
- strncmp(t, "ubifs", 5)) {
+ strncmp(t, "ubifs", 5) &&
+ strncmp(t, "ext4", 4)) {
fclose(fp);
ULOG_ERR("block is mounted with wrong fs\n");
return NULL;
package/system/fstools/patches/0002-overlay-delete.patch
Executable
+26
View File
@@ -0,0 +1,26 @@
Index: fstools-2016-01-10/libfstools/overlay.c
===================================================================
--- fstools-2016-01-10.orig/libfstools/overlay.c 2016-07-01 15:28:10.675297806 +0530
+++ fstools-2016-01-10/libfstools/overlay.c 2016-07-01 15:32:40.471299290 +0530
@@ -344,6 +344,7 @@
int mount_overlay(struct volume *v)
{
char *mp;
+ struct stat st;
if (!v)
return -1;
@@ -371,7 +372,12 @@
}
case FS_STATE_PENDING:
ULOG_INFO("overlay filesystem has not been fully initialized yet\n");
- overlay_delete("/tmp/overlay", true);
+ //For configuration preservati, Sysupgrade in Coconut will extract
+ //the config tarball will be extracted before reboot. So, to support
+ //that, delete overlay only if the tarball is present.
+ if (stat("/tmp/overlay/sysupgrade.tgz", &st) != -1) {
+ overlay_delete("/tmp/overlay", true);
+ }
break;
case FS_STATE_READY:
break;