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Run samples through upgrade and fix accumulated breakages:
*-centos6-*: After 2.12.2 retirement, the samples selected most recent
glibc (2.34) which also forced kernels 3.2+. Revert to 2.12.1 and
2.6.32.71, respectively. Interestingly, 2.12.1 was marked as being used
in CentOS6, but the samples selected 2.12.2. Anyway, CentOS6 is EOL now
and glibc 2.12 is going to be marked obsolete, and retired soon.
arc-*: Make TARGET_VENDOR match the sample's name; otherwise `ct-ng
saveconfig` places the config file into a different location.
Fix 'savedefconfig' which was not saving the configuration file version
(CT_VCHECK was set to 'load' after CT_LoadConfig call).
Signed-off-by: Alexey Neyman <stilor@att.net>
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Signed-off-by: Alexey Neyman <stilor@att.net>
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Signed-off-by: Alexey Neyman <stilor@att.net>
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- Pin sparc-leon-linux-gnu to GCC6, again.
- Remove "brokenness" explanation from moxie-elf comment (was only
applicable to stage-2 compiler, not final).
Signed-off-by: Alexey Neyman <stilor@att.net>
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There's no point in keeping samples which are in its essense
just a sub-set of multilib toolchain.
But still we'd like to cover quite unusual but really existing
case - ARC750, i.e. ARC700 with MMU but without so-called
atomic instructions (LLOCK/SCOND). To support this HW variation
we need:
1) Compile all target binaries without "-matomics" or even
better "-mno-atomics" so that's even future-proof
(as we may decide to enable "-matomics" by default for Linux
targets which is a recommented setup).
2) Configure libc such that it uses Linux-kernel-assisted implementation
of atomic operation via "arc_usr_cmpxchg" syscall,
see https://cgit.uclibc-ng.org/cgi/cgit/uclibc-ng.git/commit/?id=b985fa069187e4c5a7ee84213d9fbead2f219ce5
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
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ARC700 is based on ARCompact (AKA ARCv1 ISA) while ARC HS38 is
based on modern ARCv2 ISA.
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
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