N32 is a 64-bit cpu with a 32-bit address space. We have
existing cpp defines for this situation, but weren't using them.
This does mean that the linux-user/mipsn32 directory must be
merged with the linux-user/mips64 directory, and differences
must be resolved via ifdefs.
Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Deleting these first makes the next patch much easier to read.
This doesn't cause any sort of compilation failure because we
have not yet enabled n32/n64 compilation. This is dead code.
Signed-off-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
GCC and GAS are capable of generating traps or breaks to check for
division by zero. Additionally, GAS is capable of generating traps
or breaks to check for overflow on certain division and multiplication
operations. The Linux kernel translates these traps and breaks into
signals. This patch implements the corresponding feature in QEMU.
Signed-off-by: Meador Inge <meadori@codesourcery.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Switch the default for qemu_log logging output from "/tmp/qemu.log"
to stderr. This is an incompatible change in some sense, but logging
is mostly used for debugging purposes so it shouldn't affect production
use. The previous behaviour can be obtained by adding "-D /tmp/qemu.log"
to the command line.
This change requires us to:
* update all the documentation/help text (we take the opportunity
to smooth out minor inconsistencies between the phrasing in
linux-user/bsd-user/system help messages)
* make linux-user and bsd-user defer to qemu-log for the default
logging destination rather than overriding it themselves
* ensure that all logfile closing is done via qemu_log_close()
and that that function doesn't close stderr
as well as the obvious change to the behaviour of do_qemu_set_log()
when no logfile name has been specified.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-id: 1361901160-28729-1-git-send-email-peter.maydell@linaro.org
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Rename the public-facing function cpu_set_log to qemu_set_log. This
requires us to rename the internal-only qemu_set_log() to
do_qemu_set_log().
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Rename cpu_str_to_log_mask() to qemu_str_to_log_mask(), since
the qemu_log functionality is no longer restricted to TCG CPU
debug logging.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Abstract out the "print a human readable list of all the
valid log categories" functionality which is currently duplicated
in three separate places. (We leave the monitor.c help_cmd()
implementation as-is since it wants to send the message to
the monitor and add its own information.)
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
The qemu_log() functionality is no longer specific to TCG CPU debug logs.
Rename cpu_set_log_filename() to qemu_set_log_filename() and drop the
pointless wrapper set_cpu_log_filename().
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
It's worth to clean-up translation blocks variables and move them
into one context as was suggested by Swirl.
Also if we use this context directly inside tcg_ctx, then it
speeds up code generation a bit.
Signed-off-by: Evgeny Voevodin <evgenyvoevodin@gmail.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Commit 658f2dc97 accidentally dropped the cast to the target type of
the value loaded by get_user(). The most visible effect of this would
be that the sequence "uint64_t v; get_user_u32(v, addr)" would sign
extend the 32 bit loaded value into v rather than zero extending as
would be expected for a _u32 accessor. Put the cast back again to
restore the old behaviour.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
CPUs are never added to the composition tree, so delete is achieved
simply by removing the last references to them.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Since commit 65dee38052 (target-i386:
move cpu_reset and reset callback to cpu.c) the x86 CPU is reset through
cpu_init() but was still reset immediately after in linux-user and
bsd-user. Clean this up.
Similarly in linux-user/syscall.c it is also reset after cpu_copy().
But that's a bug of its own, fixing which poses a semantic change.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
According to man reboot(2), the 4th argument is only used with
LINUX_REBOOT_CMD_RESTART2. In other cases, trying to convert
the value can generate EFAULT.
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
SO_SNDTIMEO and SO_RCVTIMEO take a struct timeval, not an int
To test this, you can use :
QEMU_STRACE= ping localhost 2>&1 |grep TIMEO
568 setsockopt(3,SOL_SOCKET,SO_SNDTIMEO,{1,0},8) = 0
568 setsockopt(3,SOL_SOCKET,SO_RCVTIMEO,{1,0},8) = 0
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
All parameters must be swapped before the call of do_msgrcv().
Allow faked (debian fakeroot daemon) to work properly.
WITHOUT this patch:
$ faked-sysv --foreground --debug
using 1723744788 as msg key
msg_key=1723744788
1723744788:431
FAKEROOT: msg=131072, key=1723744788
FAKEROOT: r=-1, received message type=-150996052, message=-160219330
FAKEROOT, get_msg: Bad address
r=14, EINTR=4
fakeroot: clearing up message queues and semaphores, signal=-1
fakeroot: database save FAILED
WITH this patch:
$ faked-sysv --foreground --debug
using 1569385744 as msg key
msg_key=1569385744
1569385744:424
FAKEROOT: msg=0, key=1569385744
^C
fakeroot: clearing up message queues and semaphores, signal=2
fakeroot: database save FAILED
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Alpha, like s390x, passes all select arguments in registers.
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Richard Henderson <rth@twiddle.net>
The values of F_RDLCK, F_WRLCK, F_UNLCK, F_EXLCK, F_SHLCK
differ between alpha and other linux architectures.
This patch allows to run "dpkg" (database lock).
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Richard Henderson <rth@twiddle.net>
* 'ppc-for-upstream' of git://repo.or.cz/qemu/agraf: (31 commits)
PPC: linux-user: Calculate context pointer explicitly
target-ppc: Error out for -cpu host on unknown PVR
target-ppc: Slim conversion of model definitions to QOM subclasses
PPC: Bring EPR support closer to reality
PPC: KVM: set has-idle in guest device tree
kvm: Update kernel headers
openpic: fix CTPR and de-assertion of interrupts
openpic: move IACK to its own function
openpic: IRQ_check: search the queue a word at a time
openpic: fix sense and priority bits
openpic: add some bounds checking for IRQ numbers
openpic: use standard bitmap operations
Revert "openpic: Accelerate pending irq search"
openpic: always call IRQ_check from IRQ_get_next
openpic/fsl: critical interrupts ignore mask before v4.1
openpic: make ctpr signed
openpic: rework critical interrupt support
openpic: make register names correspond better with hw docs
ppc/booke: fix crit/mcheck/debug exceptions
openpic: lower interrupt when reading the MSI register
...
Unconditional bswap replaced by __get_user/__put_user.
Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
The previous formuation with multiple assignments to __typeof(*hptr) falls
down when hptr is qualified const. E.g. with const struct S *p, p->f is
also qualified const.
With this formulation, there's no assignment to any local variable.
Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
MIPS only supports 31 bits of virtual address space for user space, so let's
make sure we stay within that limit with our preallocated memory block.
This fixes the MIPS user space targets when executed without command line
option.
Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Peter Maydell recommended the change to be more proper. The result was tested
and shows coming up with the same proper value.
Signed-off-by: Samuel Seay <LightningTH@GMail.com>
[agraf: change subject]
Signed-off-by: Alexander Graf <agraf@suse.de>
Removed h2g() macro around the ka->_sa_handler due to the _sa_handler being a
guest memory address.
Changed the __put_user to put_user as it was attempting to put a value at the
stack address but the new address is a guest memory address, __put_user is
for host memory addresses.
Signed-off-by: Samuel Seay <LightningTH@GMail.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
[agraf: change subject line, reformat commit message]
Signed-off-by: Alexander Graf <agraf@suse.de>
Make the user path more like the system path. Prepare for more kinds
of runtime exceptions. Rename ILC to ILEN to make it clear that we
want to pass around a full instruction length, rather than a "code"
that happens to be stored one bit left in a larger field.
Signed-off-by: Richard Henderson <rth@twiddle.net>
instead use the correct headers that define these functions.
Requested-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: John Spencer <maillist-qemu@barfooze.de>
Reviewed-by: Amos Kong <kongjianjun@gmail.com>
Reviewed-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
* bonzini/header-dirs: (45 commits)
janitor: move remaining public headers to include/
hw: move executable format header files to hw/
fpu: move public header file to include/fpu
softmmu: move remaining include files to include/ subdirectories
softmmu: move include files to include/sysemu/
misc: move include files to include/qemu/
qom: move include files to include/qom/
migration: move include files to include/migration/
monitor: move include files to include/monitor/
exec: move include files to include/exec/
block: move include files to include/block/
qapi: move include files to include/qobject/
janitor: add guards to headers
qapi: make struct Visitor opaque
qapi: remove qapi/qapi-types-core.h
qapi: move inclusions of qemu-common.h from headers to .c files
ui: move files to ui/ and include/ui/
qemu-ga: move qemu-ga files to qga/
net: reorganize headers
net: move net.c to net/
...
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
this declaration is wrong:
the correct prototype on linux is:
int setgroups(size_t size, const gid_t *list);
since by default musl libc exposes this symbol in unistd.h
additionally to grp.h, the wrong declaration causes a build error.
the proper fix is to simply include the correct header.
Signed-off-by: John Spencer <maillist-qemu@barfooze.de>
Reviewed-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
* afaerber/qom-cpu:
target-i386: Postpone cpuid_level update to realize time
target-i386: Use define for cpuid vendor string size
target-i386: Separate feature string parsing from CPU model lookup
target-i386/cpu.c: Coding style fixes
qdev: qdev_create(): use error_report() instead of hw_error()
sysemu.h: Include qemu-types.h instead of qemu-common.h
Create qemu-types.h for struct typedefs
qlist.h: Do not include qemu-common.h
qga/channel-posix.c: Include headers it needs
qapi/qmp-registry.c: Include headers it needs
ui/vnc-palette.c: Include headers it needs
user: Rename qemu-types.h to qemu-user-types.h
user: Move *-user/qemu-types.h to main directory
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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>
The header file is specific for *-user, but I plan to introduce a more
generic qemu-types.h file, so I'm renaming it.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
The bsd-user/qemu-types.h and linux-user/qemu-types.h files are almost
the same, but linux-user has the additional definitions of tswapal().
This moves the linux-user file to the main directory, so the same file
can be used by linux-user and bsd-user.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Fixes a clone() emulation bug were the new thread starts
at the point of the syscall and thus clones in a loop.
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
Avoid speculatively computing flags before every potentially trapping
operation and instead do the flags computation when a trap actually
occurs. This gives approximately 30% speedup in emulation.
Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
pread64 and pwrite64 pass 64bit parameters which for some architectures need
to be aligned to special argument pairs, creating a gap argument.
Handle this special case the same way we handle it in other places of the code.
Reported-by: Alex Barcelo <abarcelo@ac.upc.edu>
Signed-off-by: Alexander Graf <agraf@suse.de>
Tested-by: Alex Barcelo <abarcelo@ac.upc.edu>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
