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Forgot to mention that this instructions are for working on a linux box running Fedora 13

Here is a modified version of PSFreedom for the N900 working on my Palm Pre. This version does not support Backup Manager. If Mods allow it I will post the compile module with and without backup manager support.

What you need:

1. The kernel package for the Palm Pre (You must login or register to view this content.) and palm patches (You must login or register to view this content.) that you can find on Open Source Packages.
2. am toolchain You must login or register to view this content.
3. Compiled psfeedom module from the modified PSFreedom source
4. Root access to your Palm Pre, it could be by ssh or Terminal app on phone

Setting the ARM toolchain

1. Extract the file:
Code:
tar xjvf arm-2009q1-203-arm-none-linux-gnueabi-i686-pc-linux-gnu.tar.bz2
2. Move the extracted folder where you like it to be:
Code:
mv arm-2009q1 /usr/local/arm
3. Set some environment variables so cross-compilation works. Create a new file named setup-env and paste this
Code:
export PRETOOL_DIR="/usr/local/arm"
(echo "$PATH" | grep -q "${PRETOOL_DIR}") || export PATH="${PRETOOL_DIR}/bin:${PATH}"
export ST="arm-none-linux-gnueabi-strip"
export LD="arm-none-linux-gnueabi-ld"
export CC="arm-none-linux-gnueabi-gcc -march=armv4t -mtune=arm920t"
export CPPFLAGS="-isystem${PRETOOL_DIR}/arm/arm-none-linux-gnueabi/include"
export RANLIB="arm-none-linux-gnueabi-ranlib"
export CXX="arm-none-linux-gnueabi-g++ -march=armv4t -mtune=arm920t"
export OBJCOPY="arm-none-linux-gnueabi-objcopy"
export PKG_CONFIG_PATH="${PRETOOL_DIR}/usr/local/lib/pkgconfig"
export PKG_CONFIG_SYSROOT_DIR="${PRETOOL_DIR}/arm/arm-none-linux-gnueabi"
#export LDFLAGS="-L${PRETOOL_DIR}/usr/local/lib -Wl,-rpath-link,${PRETOOL_DIR}/arm/arm-none-linux-gnueabi/lib -Wl,-O1"
export CCLD="arm-none-linux-gnueabi-gcc -march=armv4t -mtune=arm920t"
export MAKE="make"
export CFLAGS="-isystem${PRETOOL_DIR}/usr/local/include -fexpensive-optimizations -fomit-frame-pointer -frename-registers -Os"
export CXXFLAGS="-isystem${PRETOOL_DIR}/arm/arm-none-linux-gnueabi/include -fexpensive-optimizations -fomit-frame-pointer -frename-registers -Os -fpermissive -fvisibility-inlines-hidden"
export F77="arm-none-linux-gnueabi-g77 -march=armv4t -mtune=arm920t"
export AS="arm-none-linux-gnueabi-as"
export AR="arm-none-linux-gnueabi-ar"
export CPP="arm-none-linux-gnueabi-gcc -E"
export OBJDUMP="arm-none-linux-gnueabi-objdump"
export CONFIG_SITE="${PRETOOL_DIR}/arm/site-config"
you need to set PRETOOL_DIR to where you move the extracted folder. Finally Source the variables (use the path where you saved setup-env):
Code:
. /usr/local/pre/setup-env
Extract and compile Pre Kernel

1. Extract the kernel:
Code:
tar xvzf linuxkernel-2.6.24.tgz
2. Extract palm modifications:
Code:
gunzip linux-2.6.24-patch.gz
3. Change to kernel directory:
Code:
cd linux-2.6.24
4. Apply patch:
Code:
patch -p1 < ../linux-2.6.24-patch
5. Copy configuration for the Pre:
Code:
cp arch/arm/configs/omap_sirloin_3430_defconfig .config
6.Compile the kernel:
Code:
make
(this will take a while)

Compile modified PSFreedom source

1. Extract the files:
Code:
tar xvzf PSFreedom-for-PalmPre.tar.gz
2. Change to folder:
Code:
cd PSFreedom-for-PalmPre
3. Compile PSFreedom:
Code:
make
Copy and install psfreedom.ko module to Palm Pre

1. Connect your Palm pre to PC on drive mode and copy psfreedom.ko to it
2. ssh to your pre (or open terminal app) and insmod the module:
Code:
insmod /media/internal/psfreedom.ko
Now you should be ready to go

1. Turn completely off your PS3 with firmware 3.41
2. Connect your Palm Pre to the usb of PS3
3. Turn on your PS3 followed by rapidly pressing eject
4. Wait for your PS3 to reboot
5. Enjoy

After using your PalmPre for this exploit you should make a complete device restart to restore usb functions.

Special Thanks to kakaroto for creating PSFreedom, I simply made some small modifications to make it compile for the Palm Pre since it runs linux and also use musb

Intructions for cross-compilation taken from WebOS Internals Custom Kernels instructions
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Wow very long and looks complicated but I guess that's because I don't have a palm