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add or1k (OpenRISC 1000) architecture port

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With the exception of a fenv implementation, the port is fully featured.
The port has been tested in or1ksim, the golden reference functional
simulator for OpenRISC 1000.
It passes all libc-test tests (except the math tests that
requires a fenv implementation).

The port assumes an or1k implementation that has support for
atomic instructions (l.lwa/l.swa).

Although it passes all the libc-test tests, the port is still
in an experimental state, and has yet experienced very little
'real-world' use.
This commit is contained in:
Stefan Kristiansson 2014-07-17 22:09:10 +03:00 • committed by Rich Felker
commit 200d15479c
46 changed files with 1982 additions and 1 deletions
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13
arch/or1k/bits/ipc.h Normal file
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struct ipc_perm {
key_t __ipc_perm_key;
uid_t uid;
gid_t gid;
uid_t cuid;
gid_t cgid;
mode_t mode;
int __ipc_perm_seq;
long __pad1;
long __pad2;
};
#define IPC_64 0