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Verified on a FPGA board sponsored by Andes Technology.
Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
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After the addition of bare metal toolchains the menu system allowed
to create non-valid configurations. I reworked it so we can also
add other operating system support if we wish.
So first you choose your operating system, then your architecture
and endianess, after that your embedded system, emulator or
generic device and then you choose your task you want to run.
Tasks may be toolchain, a new appliance/application or some preconfigured
sets of packages and configurations as kodi, mpd, firefox and more.
The tasks are limited to a plausible choice of hardware and software.
Deduplicate CPU configuration.
You don't wanna compile Kodi for a H8/300 microcontroller ;)
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to ld
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Buildroot uses the two-stage mechanism since a while.
This reduces the build time a lot. Instead of three stages,
we just use the two-stage build. The benefit is that
the C library do not need to be rebuild and one gcc compile
is obsolete. Tested with embedded-test.sh.
There is one unresolved problem, tile toolchain
building is broken.
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results in gconv compile issues
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The annoying kernel panic after boot is back :(
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- Sync with Kernel upstream Kconfig
- use new feature visible
- add a patch for select on choices
https://lkml.org/lkml/2011/2/17/379
- rename ADK_LINUX -> ADK_TARGET_ARCH
- remove package collection feature
- add appliance feature to define a appliance
more complete
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patched Qemu. Thanks to Max Filippov for fixes and ideas.
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to avoid namespace collisions in some packages, rename TOPDIR.
Sorry you need to make cleandir && make prereq && make
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Filippov for help
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after onger discussion with Phil, I understood his old
patches and fixed support for x86 systems with 32 Bit userland
and 64 Bit kernel by using a biarch toolchain instead of
a multilib one.
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establish an extra dir for toolchain. Better for preparing toolchain
for other projetcs without host tools only used by openadk.
Use /usr prefix. No symlink workarounds needed anymore.
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- add a musl patch to recognize x86_64-foo-muslx32
- rework multilib configuration
- remove explicit sjlj gcc configure, as suggested by the gcc docs
- fix strace for x32
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know why this is required. the names are not unique between arch with different abi
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dependency to libtirpc, disable inetd, add preliminary multilib support (not working right now),enable 32/64 bit kernel support for x86_64
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This is more commonly known as 32bit userland support on 64bit
architectures.
For simplicity's sake though, this implementation works the other way
round: just build a 64bit-able linker and compiler, but no
64bit-libraries at all (i.e., no multilib). This is then just enough to
compile a 64bit kernel, as that doesn't link to anything. The
alternative would have been to build a native 64bit compiler with
multilib-support in order to cross-compile a 32bit userland, resulting
in a multilib system without need for it.
In order to allow compilation of a 64bit kernel for a given target
system, have it select ADK_TARGET_KERNEL_MAY_64BIT. Upon selection of
that target, the symbol ADK_64BIT_KERNEL will occur in the "Global
settings" menu. Since certain aspects of the 64bit kernel .config may
greatly differ from it's 32bit counterpart, it has to be shipped
separately: target/<arch>/kernel64.config is the place to be.
Conflicts:
target/Makefile
toolchain/gcc/Makefile
Untested, due to conflicts (original patch conflicts with
multiple kernel version support).
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- just use on sysroot directory for toolchain.
- add missing patches from previos commit. (rpath/cflags cleanup)
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- gdb compilation can be disabled
- gcc languages (c++/java) can be enabled/disabled
- gcc stack smashing protection can be enabled/disabled
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On Cygwin readelf in this directory is not the right binary.
The real binary is in .libs/readelf.exe. Toolchain building fails
on Cygwin after copying the readelf thingy.
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