Re: [Qemu-devel] [PATCH] Merge mips64 and mipsn32

[Andreas Färber]

Am 10.02.2012 12:23, schrieb Paul Brook:
> Make MIPS N32 be a variant of mips64, rather than a new architecture in
> its own right.  This matches how sparc/ppc work, and makes TARGET_MIPS64
> the right thing to check for a 64-bit mips core.
> 
> As side-effect of this is that linux-user/mipsn32 gets merged into
> linux-user/mips64.  I consider this to be a feature as anything differences
> other than the syscall numbers are probably bugs.
> 
> Signed-off-by: Paul Brook <address@hidden>
> ---
>  configure                          |    3 +-
>  linux-user/mips64/syscall.h        |   14 +-
>  linux-user/mips64/syscall_nr.h     |  312 
> +-----------------------------------
>  linux-user/mips64/syscall_nr32.h   |  311 +++++++++++++++++++++++++++++++++++
>  linux-user/mips64/syscall_nr64.h   |  306 +++++++++++++++++++++++++++++++++++
>  linux-user/mipsn32/syscall.h       |  224 --------------------------
>  linux-user/mipsn32/syscall_nr.h    |  311 -----------------------------------
>  linux-user/mipsn32/target_signal.h |   29 ----
>  linux-user/mipsn32/termbits.h      |  245 ----------------------------
>  linux-user/syscall_defs.h          |   79 +---------
>  10 files changed, 636 insertions(+), 1198 deletions(-)
>  create mode 100644 linux-user/mips64/syscall_nr32.h
>  create mode 100644 linux-user/mips64/syscall_nr64.h
>  delete mode 100644 linux-user/mipsn32/syscall.h
>  delete mode 100644 linux-user/mipsn32/syscall_nr.h
>  delete mode 100644 linux-user/mipsn32/target_signal.h
>  delete mode 100644 linux-user/mipsn32/termbits.h

Note: Richard Henderson and me had been looking into code sharing among
the MIPS ABIs for signal handling in response to a half-done Octeon
mips64 patchset.

There's an unfinished RFC of mine from December or so, feel free to pick
that up or to come up with a better idea!

Andreas

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