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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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11
arch/or1k/bits/sem.h Normal file
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struct semid_ds {
struct ipc_perm sem_perm;
time_t sem_otime;
time_t __unused1;
time_t sem_ctime;
time_t __unused2;
char __sem_nsems_pad[sizeof(time_t)-sizeof(short)];
unsigned short sem_nsems;
time_t __unused3;
time_t __unused4;
};