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The functions cpu_clone_regs() and cpu_set_tls() are not purely CPU
related -- they are specific to the TLS ABI for a a particular OS.
Move them into the linux-user/ tree where they belong.
target-lm32 had entirely unused implementations, since it has no
linux-user target; just drop them.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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The Linux syscalls underlying pread() and pwrite() take a 64 bit
offset on all architectures, even if some of them name the syscall
"pread/pwrite" rather than "pread64/pwrite64" for historical reasons.
So move the four QEMU target architectures (arm, i386, sparc,
unicore32) which were defining TARGET_NR_pread/pwrite to define
TARGET_NR_pread64/pwrite64 instead, and drop the TARGET_NR_pread/pwrite
implementation code completely.
(Based on examination of the kernel sources for the four architectures
this patch affects.)
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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The list of ARM syscall numbers was missing the entry for ppoll,
which meant we were accidentally not providing it. (This wasn't
causing any practical issues beyond warnings about unimplemented
syscalls, because glibc will fall back to another code path if the
syscall isn't present.)
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
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Fix some stray non-UTF-8 characters used in some ASCII art tables
by converting them to plain ASCII '|' instead.
Reviewed-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
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Add syscall numbers for new syscall numbers; this brings us
into line with Linux 2.6.39.2.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
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The REG_PC constant used in the ARM nwfpe code is fine in the kernel
but when used in qemu can clash with a definition in the host system
include files (in particular on Ubuntu Lucid SPARC, including signal.h
will define a REG_PC). Rename the constant to avoid this issue.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
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float*_eq functions have a different semantics than other comparison
functions. Fix that by first renaming float*_quiet() into float*_eq_quiet().
Note that it is purely mechanical, and the behaviour should be unchanged.
That said it clearly highlight problems due to this different semantics,
they are fixed later in this patch series.
Cc: Alexander Graf <agraf@suse.de>
Acked-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
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Add uses of the float32/float64 boxing and unboxing macros so that
the ARM linux-user targets will compile with USE_SOFTFLOAT_STRUCT_TYPES
enabled.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
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'extern' qualifier is useless for function declarations. Delete
them.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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The code in the linux-user ARM nwfpe emulation was incorrectly
checking only for quiet NaNs when it should have been checking
for any kind of NaN. This is probably because the code in
question was taken from the Linux kernel, whose copy of the
softfloat library had been modified so that float*_is_nan()
returned true for all NaNs, not just quiet ones. The qemu
equivalent function is float*_is_any_nan(), so use that.
NB that this code is really obsolete since nobody uses FPE
for actual arithmetic now; this is just cleanup following
the recent renaming of the NaN related functions.
Acked-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
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The softfloat functions float*_is_nan() were badly misnamed,
because they return true only for quiet NaNs, not for all NaNs.
Rename them to float*_is_quiet_nan() to more accurately reflect
what they do.
This change was produced by:
perl -p -i -e 's/_is_nan/_is_quiet_nan/g' $(git grep -l is_nan)
(with the results manually checked.)
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Nathan Froyd <froydnj@codesourcery.com>
Acked-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
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As this is now supported in newer linux kernels.
Signed-off-by: Michael Casadevall <mcasadevall@ubuntu.com>
Signed-off-by: Riku Voipio <riku.voipio@nokia.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
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See also 8167ee883931cb20c6264fc19d040ce2dc6ceaaa,
530e7615ce3c01882e582c84dc6304ab98a3d5c5 and
fad6cb1a565bb73f83fc0e2654489457b489e436.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Looks like linux-user code was correct, just unreadable: what it wanted
to do with "-=" was really assign a negative number, not decrement. Fix
up accordingly.
Reported-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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In the very least, a change like this requires discussion on the list.
The naming convention is goofy and it causes a massive merge problem. Something
like this _must_ be presented on the list first so people can provide input
and cope with it.
This reverts commit 99a0949b720a0936da2052cb9a46db04ffc6db29.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Some not so obvious bits, slirp and Xen were left alone for the time
being.
Signed-off-by: malc <av1474@comtv.ru>
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Modern compilers do not parse "=-" as decrement:
you must use "-=" for that.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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In preparation for supporting pipe2()
Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
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Signed-off-by: Paul Brook <paul@codesourcery.com>
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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6000 c046a42c-6fe2-441c-8c8c-71466251a162
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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5206 c046a42c-6fe2-441c-8c8c-71466251a162
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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5173 c046a42c-6fe2-441c-8c8c-71466251a162
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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5115 c046a42c-6fe2-441c-8c8c-71466251a162
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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4610 c046a42c-6fe2-441c-8c8c-71466251a162
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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4185 c046a42c-6fe2-441c-8c8c-71466251a162
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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3396 c046a42c-6fe2-441c-8c8c-71466251a162
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Enable sigaltstack processing for more architectures.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3253 c046a42c-6fe2-441c-8c8c-71466251a162
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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3252 c046a42c-6fe2-441c-8c8c-71466251a162
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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3216 c046a42c-6fe2-441c-8c8c-71466251a162
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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3215 c046a42c-6fe2-441c-8c8c-71466251a162
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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2217 c046a42c-6fe2-441c-8c8c-71466251a162
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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1415 c046a42c-6fe2-441c-8c8c-71466251a162
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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1164 c046a42c-6fe2-441c-8c8c-71466251a162
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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1066 c046a42c-6fe2-441c-8c8c-71466251a162
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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@748 c046a42c-6fe2-441c-8c8c-71466251a162
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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@496 c046a42c-6fe2-441c-8c8c-71466251a162
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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@385 c046a42c-6fe2-441c-8c8c-71466251a162
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