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Add OpenRISC support

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This patch adds support for the OpenRISC architecture.
(http://opencores.org/or1k/Main_Page)

This patch has been tested under Linux with QEMU-user emulation support.
- 32 Bit
- big endian
- delayed instructions
This is the only available configuration under Linux.

The description of the ABI can be found on the official website.

Is passes the testsuite except of the unwindtest_ffi_call.cc
testcase, which seems to be a problem of gcc and not libffi.
Some testcases of the gcc testsuite still fail.

Signed-off-by: Sebastian Macke <sebastian@macke.de>
This commit is contained in:
Sebastian Macke
2014-09-27 00:19:15 +00:00
parent 6695983d2f
commit 0f316ab7c1
6 changed files with 503 additions and 0 deletions
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@@ -74,6 +74,7 @@ tested:
| MIPS64 | Linux | GCC |
| Moxie | Bare metal | GCC |
| Nios II | Linux | GCC |
| OpenRISC | Linux | GCC |
| PowerPC 32-bit | AIX | IBM XL C |
| PowerPC 64-bit | AIX | IBM XL C |
| PowerPC | AMIGA | GCC |