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Hammer How to build Kernel

Revision as of 12:41, 10 January 2008 by Robotguy (Talk | contribs)

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Here is how to build a custom kernel:

NOTE: If you are installing a custom rootfs, you may have to increase the size of the space in flash to hold the new rootfs image. You do this by editing the linux-2.6.22/arch/arm/mach-s3c2410/mach-tct_hammer.c file. Find the .size string and change the value to be a little larger than your rootfs image is. The image size is in hex, so you will have to do a conversion to get the right value.

Some common values for .size are:

 4 MB = 0x3E8000
 6 MB = 0x5DC000
 8 MB = 0x7D0000
10 MB = 0x9C4000
12 MB = 0xBB8000


tar xzf linux-2.6.22.tar.gz
gunzip -c Hammer-linux-2.6.22-09122007.diff.gz | patch -p0
cd linux-2.6.22
Edit linux-2.6.22/arch/arm/mach-s3c2410/mach-tct_hammer.c to change .size if needed.
cp hammer-config .config
make oldconfig
make zImage

The kernel can be found in arch/arm/boot/zImage