Compare commits
No commits in common. "5aa1331a5295e6d09efca98230ff673c72a6b2a2" and "913145a630c97e8e3ea702caf56824db0bd74726" have entirely different histories.
5aa1331a52
...
913145a630
11
README.md
11
README.md
@ -1,12 +1,3 @@
|
||||
# Samsung_S7
|
||||
Code to exploit and research the Exynos Bootrom.
|
||||
|
||||
## Setting up
|
||||
Create a venv, and intall ghidra_assistant.
|
||||
```bash
|
||||
python3 -m venv venv
|
||||
. venv/bin/activate
|
||||
pip install -r requirements.txts
|
||||
```
|
||||
|
||||
To get to work, run `source/exploit/exploit.py`
|
||||
Code to exploit and research the Exynos Bootrom
|
@ -21,7 +21,7 @@ To extract the sboot.bin file from a samsung firmware file:
|
||||
|
||||
Memory Layout
|
||||
-------------
|
||||
TODO make memory layout of ROM, IMEM and some devices @JONHE
|
||||
TODO make memory layout of ROM, IMEM and some devices
|
||||
|
||||
.. figure:: images/memory_layout.drawio.svg
|
||||
|
||||
@ -49,44 +49,10 @@ dldata
|
||||
|
||||
This protocol remains *mostly* the same for newer Exynos SoCs.
|
||||
|
||||
USB Stack
|
||||
=========
|
||||
This information is largely based on the blogpost of Frederic on reversing the `USB stack of the Exynos BootROM <https://fredericb.info/2020/06/reverse-engineer-usb-stack-of-exynos-bootrom.html#reverse-engineer-usb-stack-of-exynos-bootrom>`_. We're looking at the proprietary USB protocol used by the Exynos BootROM.
|
||||
|
||||
The base address of the usb controller (dwusb3) is mapped at 0x1540000, with a size of 0x10000: (can be found at: `Exynos8890 dtsi <https://github.com/LineageOS/android_kernel_samsung_universal8890/tree/lineage-18.1/arch/arm64/boot/dts>`_).
|
||||
|
||||
.. code-block:: dts
|
||||
|
||||
udc: usb@15400000 {
|
||||
compatible = "samsung,exynos8890-dwusb3";
|
||||
clocks = <&clock 700>, <&clock 703>, <&clock 708>, <&clock 709>;
|
||||
clock-names = "aclk", "sclk", "phyclock", "pipe_pclk";
|
||||
reg = <0x0 0x15400000 0x10000>;
|
||||
#address-cells = <2>;
|
||||
#size-cells = <1>;
|
||||
ranges;
|
||||
usb-pm-qos-int = <255000>;
|
||||
status = "disabled";
|
||||
|
||||
usbdrd_dwc3: dwc3 {
|
||||
compatible = "synopsys,dwc3";
|
||||
reg = <0x0 0x15400000 0x10000>;
|
||||
interrupts = <0 213 0>;
|
||||
phys = <&usbdrd_phy0 0>, <&usbdrd_phy0 1>;
|
||||
phy-names = "usb2-phy", "usb3-phy";
|
||||
};
|
||||
};c
|
||||
|
||||
|
||||
This is a basic USB controller, but some functions, that are also present in the linux kernel, should be visible in the bootROM as well. Available functions could be: `linux-kernel-dwc3 <https://android.googlesource.com/kernel/msm/+/android-msm-dory-3.10-kitkat-wear/drivers/usb/dwc3/core.h>`_.
|
||||
|
||||
Bug 1(Integer underflow)
|
||||
------------------------
|
||||
|
||||
https://github.com/LineageOS/android_kernel_samsung_universal8890/blob/lineage-18.1/arch/arm64/boot/dts/exynos8890.dtsi
|
||||
|
||||
@TODO better explain frederick's bug. @JONHE
|
||||
|
||||
@TODO better explain frederick's bug. @JOHER
|
||||
|
||||
Bug 2
|
||||
-----
|
||||
|
@ -1,3 +0,0 @@
|
||||
sphinx-rtd-theme
|
||||
sphinxcontrib.confluencebuilder
|
||||
sphinxcontrib.drawio
|
File diff suppressed because it is too large
Load Diff
Loading…
Reference in New Issue
Block a user