| Commit message (Collapse) | Author | Age | Files | Lines |
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In a bunch of places, 64 is used as value of _NSIG but it's wrong
at least on MIPS were _NSIG is 128.
Based on a patch from Arnaud Patard <arnaud.patard@rtp-net.org>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
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Signed-off-by: Paul Brook <paul@codesourcery.com>
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Implement ARMv6 atomic ops (ldrex/strex) using the same trick as PPC.
Signed-off-by: Paul Brook <paul@codesourcery.com>
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The variable CP0_LLAddr represent the full lladdr, not the actual
register value, which is only part of this value and depends on the
CPU.
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
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b55a37c981914aa8ecd21b9a2a2fb37f39b917c5 moved the call to cpu_reset
to user emulators. But cpu_copy also initializes a CPU structure, so add the
call also there.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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This patch fixes the mount call. GUEST_BASE shouldn't be added to a NULL pointer on arg5 . failing call:
mount("rootfs", "/", 0x47a78, MS_MGC_VAL|MS_REMOUNT, 0x10000) = -1 EFAULT (Bad address)
correct call:
mount("rootfs", "/", 0x37ab0, MS_MGC_VAL|MS_REMOUNT, NULL) = 0
Signed-off-by: Jan-Simon Möller <dl9pf@gmx.de>
Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
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everything needed to run SDL on a framebuffer device in the userspace emulator
Signed-off-by: Ulrich Hecht <uli@suse.de>
Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
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Update ARM hwcaps to match Linux kernel 2.6.31 state
Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
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prepare_binprm() zeroes bprm->buf. That buffer is already zeroed in
main() and hasn't been touched since so that is not necessary.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
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Swap __pad1 and st_blocks fields location to maintain proper alignment.
This fixes incorrect 'du' and 'stat' report on ppc guest.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
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getpriority returned wrong errno; fixes LTP test getpriority02.
Signed-off-by: Ulrich Hecht <uli@suse.de>
Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
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updated fallocate check to new configure, added dup3 check as suggested
by Jan-Simon Möller.
Riku: updated to apply to current git.
Signed-off-by: Ulrich Hecht <uli@suse.de>
Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
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Make an "#if 0"'d printf() in load_elf_binary(), probably left to aid in
debugging, reflect what the actual code does. The current printf() will
only confuse those who "#if 1" it (it certainly confused me enough to
write this trivial patch).
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
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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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Put space between = and & when taking a pointer,
to avoid confusion with old-style "&=".
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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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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Put space between = and * when dereferencing a pointer,
to avoid confusion with old-style "*="
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: 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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Callers must pass ELF machine, byte swapping and symbol LSB clearing
information to ELF loader. A.out loader needs page size information, pass
that too as a parameter.
Extract prototypes to a separate file. Move loader.[ch] and elf_ops.h under hw.
Adjust callers. Also use target_phys_addr_t instead of target_ulong for
addresses: loader addresses aren't virtual.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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df70204db53e3611af986f434e74a882bce190ca"
This reverts commit 91b40c5be84a478e98c0416325844a7f66d0efae.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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While i386, x86_64 and Sparc64/OpenBSD still worked after
df70204db53e3611af986f434e74a882bce190ca, Sparc32 and Sparc64 Linux hosts
broke.
Partially revert the commit: make the restored code conditional to
!CONFIG_USER_PIE.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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There is a link hack in linux-user which produces an executable that
looks like PIE, but always has text relocations since all object files
isn't position-independent (compiled without -fpic/-fpie). Dynamic loader
has to do more work to load a binary with text relocations.
The best way to keep this functionality is to build a true PIE without
text relocations.
Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Problem: Our file sys-queue.h is a copy of the BSD file, but there are
some additions and it's not entirely compatible. Because of that, there have
been conflicts with system headers on BSD systems. Some hacks have been
introduced in the commits 15cc9235840a22c289edbe064a9b3c19c5f49896,
f40d753718c72693c5f520f0d9899f6e50395e94,
96555a96d724016e13190b28cffa3bc929ac60dc and
3990d09adf4463eca200ad964cc55643c33feb50 but the fixes were fragile.
Solution: Avoid the conflict entirely by renaming the functions and the
file. Revert the previous hacks.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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The same issue (and the same patch to the byte) was experienced/proposed
by Vince Weaver.
Signed-off-by: malc <av1474@comtv.ru>
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Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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targets
qemu's page table can be incomple if /proc/self/maps is unavailable or
host allocating a memory with mmap(), so we can't use it to find free
memory area.
New version mmap_find_vma() uses mmap() without MAP_FIXED to find free
memory.
Tested-by: Martin Mohring <martin.mohring@opensuse.org> :
quite some time ago this patch had been sent by Kirill to the QEMU ml.
At that time, the patch was rejected. Now we found out why the current
user mode memory allocator sometimes fails:
- Kernel Bug linux/fs/proc/task_mmu.c (fixed after 2.6.27)
http://bugzilla.kernel.org/attachment.cgi?id=17219
- use of proc file system to find memory mappings => bad idea
So I please apply the attached patch from Kirill to qemu to fix this
longstanding bug, because it causes all older linux distros (using
kernel 2.6.26 or older) to fail the QEMU memory allocator in user mode.
Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>
Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
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The fstat implementation does not initialize the nanosecond fields in the
stat buffer; this caused funny values to turn up there, preventing, for
instance, cp -p from preserving timestamps because utimensat rejected
the out-of-bounds nanosecond values. Resetting the entire structure
to zero fixes that.
Signed-off-by: Ulrich Hecht <uli@suse.de>
Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
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good enough to pass all LTP fadvise64 tests
Signed-off-by: Ulrich Hecht <uli@suse.de>
Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
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works perfectly fine with the example from getdents(2) and passes the LTP
tests (tested with s390x on x86_64 emulation)
Signed-off-by: Ulrich Hecht <uli@suse.de>
Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
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Fixes swaps on l_pid which were pretty much of random size. Implements
F_SETLEASE, F_GETLEASE. Now passes all LTP fcntl tests.
Signed-off-by: Ulrich Hecht <uli@suse.de>
Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
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mqueue.h is only available if __NR_mq_open is defined. So don't include
it unconditionally. Similarly, the mq_* family of syscalls depend on
__NR_mq_open. Finally, the copy_{from,to}_user_mq_attr functions should
not be defined unconditionally, but only if we're going to use the mq_*
syscalls.
Signed-off-by: Nathan Froyd <froydnj@codesourcery.com
Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
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As setup_frame() and setup_rt_frame() are now implemented we can now
enable sigaltstack().
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
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This patch implements setup_rt_frame().
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
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This patch adds signals management for linux-user.
It implements setup_frame() which allows to call the user signal
handler.
setup_rt_frame() is always unimplemented.
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
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Straightforward implementation. This syscall is rare enough that we
don't need to support the odder cases, just disable it if host glibc
is too old.
Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
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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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Also merge bsd-user/path.c and linux-user/path.c.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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this patch fixes an issue in symfind.
Assume you have the following symbols:
Address Size
0045bca0 00000080 T s0
0045bd20 00000112 T s1
You'll notice that s1 is s0 + size.
So the current symfind will find that address 0045bd20 belongs to s0
instead of s1.
Laurent
Signed-off-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Message-Id:
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tl and tsptr of members sparc64 cpu state must be changed
simultaneously to keep trap state window in sync with current
trap level. Currently translation of store to tl does not change
tsptr, which leads to corrupt trap state on corresponding
trap level.
This patch removes tsptr from sparc64 cpu state and replaces
all uses with call to helper routine.
Changes v0->v1:
- reimplemented helper routine with tcg generator
- on cpu reset trap type and pstate are populated with power-on reset
values, including tl=maxtl
Signed-off-by: igor.v.kovalenko@gmail.com
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Signed-off-by: Nathan Froyd <froydnj@codesourcery.com>
Signed-off-by: malc <av1474@comtv.ru>
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We handle conditional stores as an exception so we can ensure that no
other thread is changing memory out from underneath us.
Signed-off-by: Nathan Froyd <froydnj@codesourcery.com>
Signed-off-by: malc <av1474@comtv.ru>
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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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