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Samsung Acclaim (samsung-sch-r880)

From postmarketOS Wiki
Revision as of 18:50, 18 December 2018 by TechEdison (talk | contribs)
Warning WARNING: This device is not recommended for future use with postmarketOS due to its armhf architecture. Alpine Linux (the distribution that postmarketOS extends) pmaports#599 has been considering dropping it.
The processor of the device may support the armv7 architecture. If so, you can modify the device package and change the architecture accordingly.
This device is marked as not booting.
Status: kernel won't compile
Samsung Acclaim
samsung-sch-r880
samsung-sch-r880
Manufacturer Samsung
Name Acclaim
Codename samsung-sch-r880
Released 2012
Hardware
Chipset ARMv6 (ARM11)
CPU 800 MHz Samsung S3C6410
GPU FIMG 3DSE
Display 320x480 TFT LCD
Storage 512(?)mb/216mb available to user
Memory 256(?)mb
Architecture armhf
Software
Original software Android 2.2 Linux 2.6.32.9 (Minimum 2.1)
postmarketOS
Category testing
Pre-built images no


Contributors

  • TechEdison
  • Cupcake1972/Hacker420

Maintainer(s)

  • TechEdison

Status

  • Device can be rooted
  • Partition map discovered
  • boot.img pulled from BML4
  • Using a port of Linux 3.0.100 for the Galaxy Speca (same chipset)
  • Kernel fails to compile during linking
  • Kernel compiles. See warning below.

Errors/Warnings

>>> linux-samsung-sch-r880*: Running postcheck for linux-samsung-sch-r880 >>> linux-samsung-sch-r880*: Preparing package linux-samsung-sch-r880... >>> WARNING: linux-samsung-sch-r880*: No arch specific binaries found so arch should probably be set to "noarch" >>> linux-samsung-sch-r880*: Tracing dependencies...

BML Partition Map Definition

Discovered using Binwalk

# cat /proc/partitions

major minor  #blocks  name
179        0    7761920 mmcblk0 - SD Card
179        1    7757824 mmcblk0p1 - SD Card partition 0
137        0     513280 bml0/c - All BML partitions
137        1        128 bml1 - Copyright string: "Copyright (C) SAMSUNG Corporation 2006-2009"
137        2       1280 bml2 - Various PNG, JPEG, and TIFF files. Probably boot animation.
137        3        384 bml3 - One PNG image, 320 x 480. Probably boot logo
137        4       6400 bml4 - boot.img
137        5     153600 bml5 - /system
137        6     226816 bml6 - /data
137        7     118272 bml7 - /cache
137        8       6400 bml8 - boot.img backup
138        5     150948 stl5 - /system
138        6     223020 stl6 - /data
138        7     116172 stl7 - /cache

See also

Partition mapping info

Kernel being used

Specific kernel config

Open source driver for the GPU (might be used later)

Tool used to root the phone