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# 01 — System: Linux, SoC, Userland, Package Manager, Storage
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**Ziel:** Hisense HE40E5600FFWTS, FW `V0100.01.00A.N0410`, LAN `192.168.188.94`.
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**Quelle:** Live-Root-Reads am TV (`/proc`, `/lib`, `/bin`, `/etc`, Mounts) + statische Dumps.
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**Status:** Systemfakten **CONFIRMED** (live/static); einzelne Hardware-/Bootloader-Details `UNVERIFIED`.
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---
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## 1. Linux / Kernel
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```text
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Linux version 3.18.25 (gfkfcmo@docker01.89.12045.pzgl.com)
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(gcc version 4.8.2 20131014 (prerelease) (Linaro GCC 4.8-2013.10) )
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#1 SMP PREEMPT Mon Apr 10 17:40:02 CST 2023
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```
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- **Kernel 3.18.25**, ARM (32-bit), SMP, PREEMPT.
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- Gebaut mit **Linaro GCC 4.8.2** (2013.10), Build 2023-04-10.
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- **Kein** Standard-Distro-Userland, **kein** `/etc/os-release`, **kein** `/etc/issue`, **kein** `/etc/version`.
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- Firmware-Kennung: `V0100.01.00A.N0410`.
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### Kernel-Cmdline (Auszug, `/proc/cmdline`)
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```text
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rootwait rootfstype=squashfs ro console=ttyMT0,115200n1 vmalloc=512mb quiet
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mtdparts=mt53xx-emmc:2M(ubootA),2M(ubootB),256k(bt_flag),256k(ra_data),
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2M(uboot_envA),2M(uboot_envB),5M(kernelA),5M(kernelB),40M(rootfsA),40M(rootfsB),
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256k(basic),8M(perm),205M(3rd_ro),1152M(rw_area),256k(reserved),1M(channelA),
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1M(channelB),4M(pq),4M(aq),48M(logo),1M(acfg_descr),256k(part_21),4M(adsp),
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256k(part_23),256k(part_24),1M(eeprom_A),1M(eeprom_B),8M(facset),1M(hiscfg),
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2040M(data),1M(cidata),1M(dbdata),40M(spdata),100M(swapdt)
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root=/dev/mmcblk0p9 usbportusing=1,1,1,0 ... adb_enable=0
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androidboot.serialno=000018300ced9b74 ...
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```
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- **Bootmedium:** eMMC (`mmcblk0`), MediaTek **`mt53xx-emmc`**-Partitionierung.
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- **Rootfs:** `/dev/mmcblk0p9` (rootfsA), **squashfs ro**; A/B-Slots für U-Boot/Kernel/Rootfs.
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- **`/3rd`:** Device-Mapper **`dm-3`**, squashfs ro (~141 MB).
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- **`console=ttyMT0,115200n1`**: serielle Konsole existiert, ist aber nicht angeschlossen (kein Öffnen des TVs nötig).
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- **`adb_enable=0`**: kein ADB.
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- **U-Boot-Env:** `fw_printenv` meldet **„Bad CRC, using default environment“** und zeigt nur einen NFS-Default (`bootcmd=bootp...`). Die **echte** Boot-Konfiguration ist die `/proc/cmdline`; das U-Boot-Env ist **nicht** verlässlich (UNVERIFIED im Detail).
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### CPU / SoC
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`/proc/cpuinfo`:
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```text
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model name : ARMv7 Processor rev 4 (v7l)
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Features : half thumb fastmult vfp edsp neon vfpv3 tls vfpv4 idiva idivt vfpd32 lpae evtstrm
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CPU implementer : 0x41
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CPU architecture: 7
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CPU part : 0xd03
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CPU revision : 4
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```
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- **ARMv7**, Cortex-A53 (`part 0xd03`), NEON/VFPv4, Thumb-2.
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- **SoC-Klasse:** MediaTek **MT53xx/MT5863** (Belege: `mt53xx-emmc` in cmdline; Browser-Build `mt5863_sa_768_linux` in `run-Browser.sh`; `mt5863` im Build).
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- **Exakte Kernanzahl** aus dem Dump: `processor 0..2` sichtbar; `mt5863` ist 4×A53. Als **4 Kerne** dokumentiert, exakter Count `UNVERIFIED` (der Dump war auf 28 Zeilen begrenzt).
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- **GPU:** ARM Mali (`/3rd/Arm_Mali`, `/basic/lib/libMali.so`, `ins_arm_mali_mod.sh`); die UI nutzt GLES (`--hw-gles`).
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---
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## 2. Userland
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### libc / Laufzeit
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- **glibc 2.18**:
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- `/lib/ld-linux.so.3`, `/lib/ld-2.18.so`
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- `/lib/libc-2.18.so`, `libm-2.18.so`, `libdl-2.18.so`, `libpthread-2.18.so`
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- `/lib/libstdc++.so.6.0.18`, `libgcc_s.so.1`
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- **ABI:** ARM EABI5, hard-float (VFPv4), `Tag_ABI_align_needed: 8-byte`.
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- **Zusätzliche Libs:** `/basic/lib` (libcrypto/ssl/curl/nss/…), `/3rd/lib` (libxml2/mxml/iconv/…), `/3rd_rw/opera4xLib` (Browser-Libs), `/lib` (glibc).
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- **Dynamische Binaries** brauchen die TV-glibc 2.18. **Statisch** ist der sichere Weg (siehe `06`).
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### BusyBox / Shell
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- **BusyBox 1.18.5** (Build 2017-12-05), multi-call.
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- **Viele Applets sind nicht als Symlink vorhanden** (`uname`, `tr`, `tail`, `id` fehlen z. B. als `/bin/<name>`); nutze:
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```sh
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/bin/busybox uname -a
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/bin/busybox tail -n 10 /pfad
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/bin/busybox tr '\0' '\n' < /proc/.../environ
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```
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- `/bin/sh` existiert (Shell), `/bin/bash` ebenfalls; `/bin`, `/sbin`, `/usr/bin`, `/basic/bin` gemischt.
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- Nützliche vorhandene Tools: `mount`, `umount`, `insmod`, `mknod`, `mkfs.ext4`, `tar`, `sed`, `grep`, `awk`, `find`, `ping`, `nc`? (nicht geprüft), `ps`, `kill`, `reboot`, `fw_printenv`, `busybox`.
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- **Nicht vorhanden / nicht gebaut:** `uname` (Applet), `tr` (Applet), `id` (Applet), `ssh`, `sshd`, `scp`, `sftp`, `opkg`, `apt`, `dpkg`, `rpm`, `curl` (BusyBox), `wget`? (nicht geprüft), `python`, `perl`.
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### Init / Services
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- **SysV-artig**, **kein systemd**:
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- `/etc/inittab`: `id:3:initdefault:`; `1:012345:respawn:/sbin/getty -L ttyMT0 115200 vt100`; `si::sysinit:/etc/init.d/rcS`.
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- `/etc/init.d/rcS`: `source /etc/profile`; `mount -avt nonfs,nosmbfs`; `/etc/rc.d/rc.local`.
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- `/etc/rc.d/rc.local`: `/proc/boottime`, `/dev/shm/shm_tmp`, `rc.local.partial`, `mount_main.sh`, `mount_data.sh`, `/basic/3rd_ini/*/global_env_setup.ini`, `mount_3rd*`, `mount_perm.sh`, `fusion.ko`, `hisense_rc.sh`, `dtv_driver*.ko`, `autorun.sh`, `patch/opera4x`, `preload_opera`, `ms_service`, `hisenseUI`, `app_man`, `delayrun`.
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- **Seriell:** `ttyMT0` 115200; `rootlogin.sh` (USB-Key + doppelt-MD5-PIN) ist der Hardware-Root-Login. **Nicht nötig** für den Software-Root.
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- **USB-Console:** `usb_console.sh` nur wenn `ttyUSB` in `/proc/cmdline`; hier nicht.
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---
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## 3. Package Manager: **keiner**
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Live-Root-Check:
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```sh
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for c in apt apt-get dpkg rpm opkg ipkg apk yum pacman; do command -v $c; done
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# -> keine Ausgabe / nicht gefunden
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ls -la /etc/opkg /etc/opkg.conf /var/lib/opkg /var/lib/dpkg /usr/lib/opkg
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# -> No such file or directory
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/bin/busybox --list | grep -E '^(opkg|dpkg|rpm|apk|ipkg)$'
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# -> keine Treffer
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cat /etc/os-release
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# -> No such file or directory
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```
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**Fazit:** Es gibt **keinen Package Manager**, kein Paket-Repo, kein `opkg install`, kein `apt`.
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**Modding-Konsequenz:**
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- Eigene Tools als **statische ARM-Binaries** bauen (`arm-linux-gnueabihf-gcc -static`) oder Shell-Skripte verwenden.
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- Deployment per **`File.download`** (Browser root) nach `/3rd_rw/appdata`, per **SSH** (`cat`/`base64`/`tar`) oder USB.
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- Nichts „installieren“ im Sinne einer Distro; Dateien nach `/3rd_rw`/`/data`/`/perm` legen und per `developer.sh`/`HamService`-Wrapper starten.
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- Siehe `06-toolchain-deploy.md`.
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---
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## 4. Storage / Mounts / Partitionen
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### Mounts (live)
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```text
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rootfs / rootfs rw 0 0
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/dev/root / squashfs ro,relatime 0 0
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none /proc proc rw
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none /sys sysfs rw
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none /opt tmpfs rw # 304.6M
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none /dev/shm tmpfs rw # 304.6M; /tmp -> /dev/shm/shm_tmp
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none /var/run tmpfs rw # 304.6M
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/dev/mmcblk0p30 /data ext4 rw # 1.9G
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/dev/mmcblk0p30 /vddt ext4 rw # gleiche Partition
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/dev/mapper/dm-3 /3rd squashfs ro
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/dev/mmcblk0p33 /spdata ext4 ro
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/dev/mmcblk0p14 /3rd_rw ext4 rw # 1.1G
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/dev/mmcblk0p12 /perm ext4 rw # 3.9M
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/dev/sda1 /dev/shm/shm_tmp/mnt/usb/sda1 ext4 rw
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/dev/mmcblk0p14 /etc/passwd ext4 rw # unser Bindmount (Root-Home)
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devpts /dev/shm/pts devpts rw
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devpts /dev/pts devpts rw # Bind für PTY
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```
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### Größen (`df -h`)
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| Mount | Größe | Belegt | Frei | FS |
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|---|---:|---:|---:|---|
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| `/` | 38.8M | 38.8M | 0 | squashfs ro (100 %) |
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| `/3rd` | 141.0M | 141.0M | 0 | squashfs ro (100 %) |
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| `/3rd_rw` | 1.1G | 610.6M | 489.3M | ext4 rw (56 %) |
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| `/data` | 1.9G | 3.0M | 1.9G | ext4 rw |
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| `/perm` | 3.9M | 172K | 3.5M | ext4 rw |
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| `/spdata` | 35.4M | 1.3M | 33.3M | ext4 ro |
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| `/opt` | 304.6M | 0 | 304.6M | tmpfs |
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| `/dev/shm` | 304.6M | 58.8M | 245.8M | tmpfs |
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| `/var/run` | 304.6M | 0 | 304.6M | tmpfs |
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| USB | 927.7M | 264K | 863.5M | ext4 rw |
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- **Kein OverlayFS** (`/proc/filesystems`: sysfs, rootfs, ramfs, bdev, proc, tmpfs, debugfs, sockfs, pipefs, **devpts**, ext2/3/4, **squashfs**, vfat, iso9660, udf, mqueue, ntfs; **kein overlay**).
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- **Modding-Mechanik:** rw-Partitionen + **`mount --bind`** (Datei oder Verzeichnis), kein Overlay.
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- **`/dev` ist Teil des ro Squashfs** (kein devtmpfs); `/dev/pts` enthält statische Nodes 136,0–4; **PTY-Workaround** nötig (siehe `06`/Root-Guide).
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- **`/tmp` ist ein Symlink auf `/dev/shm/shm_tmp`** (tmpfs).
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- **eMMC-Partitionen** (Auszug): p9 rootfsA (40M), p10 rootfsB, p12 perm, p13 3rd_ro (205M), p14 rw_area/3rd_rw (1152M), p30 data (2040M), p33 spdata (40M), p34 swap (100M); `dm-3` = 141M `/3rd`; `zram0` 200M.
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- **Swap:** `delayrun.sh` macht `mkswap /dev/mmcblk0p34` + `swapon`; `zram0` 200M.
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- **Rootfs/3rd 100 % voll**; neue Daten gehören nach `/3rd_rw` (489M frei) oder `/data` (1.9G frei), nicht in `/`/`/3rd`.
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---
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## 5. Toolchain-Constraints (Kurz)
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| Constraint | Wert |
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|---|---|
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| Architektur | ARMv7, EABI5, hard-float, VFPv4/NEON |
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| Kernel | 3.18.25 (kein overlayfs, kein devtmpfs, devpts ja) |
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| libc | glibc 2.18 (TV) |
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| Compiler | `arm-linux-gnueabihf-gcc` (Host) |
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| Static | empfohlen; `-static`; der mitglieferte Dropbear ist statisch (glibc 2.39) und läuft |
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| Dynamic | nur mit TV-glibc 2.18 / passendem Sysroot; sonst GLIBC_2.xx-Fehler |
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| Package Manager | **keiner** |
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| Deploy | `File.download` (Browser root), SSH (`cat`/`base64`/`tar`), USB |
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| PTY | devpts auf `/dev/shm/pts` → bind `/dev/pts`; `/dev` ro |
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| Overlay | **nein** → `mount --bind` + `developer.sh` |
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Details, Dropbear-Build und Deploy: `06-toolchain-deploy.md`.
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---
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## 6. Evidence
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- `/proc/version`, `/proc/cmdline`, `/proc/cpuinfo`, `/proc/filesystems`, `/proc/mounts`, `/proc/partitions`
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- `df -h`, `ls -l /lib`, `ls -l /bin`, `ls -l /etc`, `/etc/inittab`, `/etc/init.d/rcS`, `/etc/rc.d/rc.local`
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- `command -v apt/dpkg/opkg/...` leer; `/etc/opkg`/`/var/lib/dpkg` fehlen; `/bin/busybox --list`
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- Der alte Run-Ordner (`docs/re/20261025-vidaa-takeover/`) enthält die Roh-Captures; für die Replikation nicht nötig.
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---
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## 7. Bekannte Unknowns
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- Exakte SoC-Bezeichnung (MT5863 vs. MT53xx-Familie), exakte Kernanzahl, Secure-Boot-/Signaturstatus.
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- Vollständige Kernel-Config, `dm-3`-Konstruktion, `spdata`/`perm`/`facset`/`hiscfg`/`eeprom`-Inhalte.
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- U-Boot-Env (Bad CRC; default NFS) und echter Bootloader-Flow im Detail.
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- DRM/`securetime`/PlayReady/Widevine, Netflix/Cobalt/Amazon, OTA/`checker.sh`/`file_upgrading`.
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- `dtv_svc`/`app_man`-Interna, `LauncherService`-Datenquelle, `Hisense_*`-API-Signaturen.
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- Ob `VIDAAU2Launcher` auf diesem Modell je aktiv ist (die aktive UI ist `/3rd_rw/UI`; `launcher`/`VIDAAU2` sind Alt-/Alternativ-Skins).
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- Ob der `preset.txt`-Cache vom `LauncherService`/der UI bei jedem Start neu geschrieben wird (die `deletedPresetApp.txt` ist die persistente Hide-Liste).
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