diff options
| -rw-r--r-- | README.u2 | 12 |
1 files changed, 8 insertions, 4 deletions
@@ -19,13 +19,17 @@ the makefile infrastructure (kbuild), plus a configuration system (kconfig). So building U-Boot is very similar to building the Linux kernel. -For the examples below, we use the User Mode U-Boot implementatio, which +For the examples below, we use the User Mode U-Boot implementation, which is a port of U-Boot to the Linux userspace. This makes it possible to test drive the code without having real hardware. So for this test scenario, ARCH=linux is the valid architecture selection. -First, select your architecture in a persistent way by creating a soft -link: +Selection of the architecture and the cross compiler can be done in two +ways. You can either specify it using the environment variables ARCH +and CROSS_COMPILE, or you can create the soft links cross_arch and +cross_compile pointing to your architecture and compiler. For ARCH=linux +we do not need a cross compiler so it is sufficient to specify the +architecture: # ln -s linux cross_arch @@ -45,7 +49,7 @@ a filesystem space for scripts etc. You can create one locally with # dd if=/dev/zero of=env.bin bs=1024 count=128 # FIXME - what to do to get a solid environemt - # dd if=/dev/zero of=cramfs.bin bs=1024 count=128 + # mkcramfs somedir/ cramfs.bin # FIXME - create filesystem Once U-Boot is configured, we can start the compilation |