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2011-02-14Stop current VCPU on synchronous reset requestsJan Kiszka
If some I/O operation ends up calling qemu_system_reset_request in VCPU context, we record this and inform the io-thread, but we do not terminate the VCPU loop. This can lead to fairly unexpected behavior if the triggering reset operation is supposed to work synchronously. Fix this for TCG (when run in deterministic I/O mode) by setting the VCPU on stop and issuing a cpu_exit. KVM requires some more work on its VCPU loop. [ ported from qemu-kvm ] Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
2011-02-14Prevent abortion on multiple VCPU kicksJan Kiszka
If we call qemu_cpu_kick more than once before the target was able to process the signal, pthread_kill will fail, and qemu will abort. Prevent this by avoiding the redundant signal. This logic can be found in qemu-kvm as well. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
2011-02-12vmmouse: fix queue_size field initializationBlue Swirl
Initialize the field queue_size, dropped by 91c9e09147ba1f3604a3d5d29b4de7702082a33f. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-02-12hpet: make optionalBlue Swirl
Ignore failure with hpet device creation. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-02-12sysbus: add creation function that may failBlue Swirl
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-02-12x86: make vmmouse optionalBlue Swirl
Compile vmmouse in hwlib. Ignore failure if vmmouse device can't be created. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-02-12isa: add creation function that may failBlue Swirl
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-02-12vmmouse: convert to qdevBlue Swirl
Convert to qdev, also add a proper reset function. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-02-12vmport: convert to qdevBlue Swirl
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-02-12x86,MIPS: make vmware_vga optionalBlue Swirl
Allow failure with vmware_vga device creation and use standard VGA instead. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-02-12pci: add creation functions that may failBlue Swirl
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-02-12qdev: add creation function that may failBlue Swirl
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-02-12vmware_vga: refactor device creationBlue Swirl
Turn vmsvga_init into an inline function. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-02-11mst_fpga: Drop one more pxa.h inclusion.Andrzej Zaborowski
Signed-off-by: Andrzej Zaborowski <andrew.zaborowski@intel.com>
2011-02-11pxa2xx: convert i2c master to use qdev/vmsdDmitry Eremin-Solenikov
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Signed-off-by: Andrzej Zaborowski <andrew.zaborowski@intel.com>
2011-02-11max7310: finish qdev'icationDmitry Eremin-Solenikov
1) Move GPIO-related functionality to qdev. Now one can use directly qdev_get_gpio_in()/qdev_connect_gpio_out() on max7310 devices. 2) Make reset to be called through qdev.reset callback. Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Signed-off-by: Andrzej Zaborowski <andrew.zaborowski@intel.com>
2011-02-11tosa: we aren't connected to VBus, pass this info to Linux kernelDmitry Eremin-Solenikov
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Signed-off-by: Andrzej Zaborowski <andrew.zaborowski@intel.com>
2011-02-11mainstone: pass one irq to the mst_fpga instead of the whole PICDmitry Eremin-Solenikov
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Signed-off-by: Andrzej Zaborowski <andrew.zaborowski@intel.com>
2011-02-11Drop unnecessary inclusions of pxa.h headerDmitry Eremin-Solenikov
Seceral files contained onnecessary dependencies on hw/pxa.h header. Drop unused references. Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Signed-off-by: Andrzej Zaborowski <andrew.zaborowski@intel.com>
2011-02-11Add scoop post_load callback that sets IRQs to loaded levelsDmitry Eremin-Solenikov
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Signed-off-by: Andrzej Zaborowski <andrew.zaborowski@intel.com>
2011-02-11tc6393xb: correct NAND isr assertionDmitry Eremin-Solenikov
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Signed-off-by: Andrzej Zaborowski <andrew.zaborowski@intel.com>
2011-02-11sysbus: print number of irqs in dev_printDmitry Eremin-Solenikov
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Signed-off-by: Andrzej Zaborowski <andrew.zaborowski@intel.com>
2011-02-11.gitignore: ignore vi swap files and ctags filesDmitry Eremin-Solenikov
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Signed-off-by: Andrzej Zaborowski <andrew.zaborowski@intel.com>
2011-02-11arm: drop unused irq-related part of CPUARMStateDmitry Eremin-Solenikov
These two fields were added as a part of ARMv7 support patch (back in 2007), were never used by any code, so can be dropped. Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Andrzej Zaborowski <andrew.zaborowski@intel.com>
2011-02-10target-arm: Remove stray #include from middle of neon_helper.cPeter Maydell
Remove a stray #include <stdio.h> from the middle of neon_helper.c: it was harmless but pointless since we include stdio.h at the top of the file anyway. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-02-10linux-user/arm: fix compilation failures using softfloat's struct typesPeter Maydell
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>
2011-02-10softfloat: Fix compilation failures with USE_SOFTFLOAT_STRUCT_TYPESPeter Maydell
Make softfloat compile with USE_SOFTFLOAT_STRUCT_TYPES defined, by adding and using new macros const_float16(), const_float32() and const_float64() so you can use array initializers in an array of float16/float32/float64 whether the types are bare or wrapped in the structs. [aurelien@aurel32.net: do the same for float16] Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-02-10target-arm: Use standard FPSCR for Neon half-precision operationsPeter Maydell
The Neon half-precision conversion operations (VCVT.F16.F32 and VCVT.F32.F16) use ARM standard floating-point arithmetic, unlike the VFP versions (VCVTB and VCVTT). Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-02-10target-arm: Silence NaNs resulting from half-precision conversionsPeter Maydell
Silence the NaNs that may result from half-precision conversion, as we do for the other conversions. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-02-10softfloat: Correctly handle NaNs in float16_to_float32()Peter Maydell
Correctly handle NaNs in float16_to_float32(), by defining and using a float16ToCommonNaN() function, as we do with the other formats. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-02-10softfloat: Fix single-to-half precision float conversionsPeter Maydell
Fix various bugs in the single-to-half-precision conversion code: * input NaNs not correctly converted in IEEE mode (fixed by defining and using a commonNaNToFloat16()) * wrong values returned when converting NaN/Inf into non-IEEE half precision value * wrong values returned for conversion of values which are on the boundary between denormal and zero for the half precision format * zeroes not correctly identified * excessively large results in non-IEEE mode should generate InvalidOp, not Overflow Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-02-10softfloat: Honour default_nan_mode for float-to-float conversionsChristophe Lyon
Honour the default_nan_mode flag when doing conversions between different floating point formats, as well as when returning a NaN from a two-operand floating point function. This corrects the behaviour of float<->double conversions on both ARM and SH4. Signed-off-by: Christophe Lyon <christophe.lyon@st.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-02-10softfloat: Add float16 type and float16 NaN handling functionsPeter Maydell
Add a float16 type to softfloat, rather than using bits16 directly. Also add the missing functions float16_is_quiet_nan(), float16_is_signaling_nan() and float16_maybe_silence_nan(), which are needed for the float16 conversion routines. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-02-10Make tb_alloc staticTristan Gingold
This function is only used within exec.c, so no need to make it public. Signed-off-by: Tristan Gingold <gingold@adacore.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-02-10microblaze: Handle singlestepping over direct jmpsEdgar E. Iglesias
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@petalogix.com>
2011-02-09Merge branch 'linux-user-for-upstream' of git://gitorious.org/qemu-maemo/qemuAurelien Jarno
* 'linux-user-for-upstream' of git://gitorious.org/qemu-maemo/qemu: linux-user: fix for loopmount ioctl linux-user: fix build errors for mmap2-only ports user: speed up init_paths a bit linux-user: implement sched_{g,s}etaffinity linux-user/FLAT: allow targets to override FLAT processing linux-user/FLAT: fix auto-stack sizing linux-user: decode MAP_{UNINITIALIZED,EXECUTABLE} in strace linux-user: add ppoll syscall support linux-user/elfload: add FDPIC support linux-user: fix sizeof handling for getsockopt linux-user: Fix possible realloc memory leak linux-user: Add support for -version option
2011-02-09target-arm: implement vsli.64, vsri.64Christophe Lyon
Signed-off-by: Christophe Lyon <christophe.lyon@st.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-02-09target-arm: fix VSHLL Neon instruction.Christophe Lyon
Fix bit mask used when widening the result of shift on narrow input. Signed-off-by: Christophe Lyon <christophe.lyon@st.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-02-09[PATCH] [MIPS] Clear softfpu exception state for round, trunc, ceil and floorChris Dearman
MIPS FPU instructions should start with a clean softfpu status. This is done for the arithmetic operations and cvt instructions, but not for round, trunc, ceil and floor. Signed-off-by: Chris Dearman <chris@mips.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-02-09target-arm: Fix 32 bit signed saturating narrowPeter Maydell
The returned value when doing saturating signed 64->32 bit conversion of a negative number was incorrect due to a missing cast. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-02-09target-arm: Fix VQMOVUN Neon instruction.Juha Riihimäki
VQMOVUN does a signed-to-unsigned saturating conversion. This is different from both the signed-to-signed and unsigned-to-unsigned conversions already implemented, so we need a new set of helper functions (neon_unarrow_sat*). Signed-off-by: Juha Riihimäki <juha.riihimaki@nokia.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-02-09linux-user: fix for loopmount ioctlMartin Mohring
In case a chrooted build uses XEN or KVM, a looped mount needs to be done to setup the chroot. The ioctl for loop mount works correctly for arm, mips, ppc32 and sh4, so its now activated. Signed-off-by: Riku Voipio <riku.voipio@nokia.com>
2011-02-09linux-user: fix build errors for mmap2-only portsMike Frysinger
The current print_mmap func is only enabled when the target supports the mmap syscall, but both mmap and mmap2 syscalls use it. This leads to a build failure when the target supports mmap2 but not mmap. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Riku Voipio <riku.voipio@nokia.com>
2011-02-09user: speed up init_paths a bitMike Frysinger
The current init_paths code will attempt to opendir() every single file it finds. This can obviously generated a huge number of syscalls with even a moderately small sysroot that will fail. Since the readdir() call provides the file type in the struct itself, use it. On my system, this prevents over 1000 syscalls from being made at every invocation of a target binary, and I only have a C library installed. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Riku Voipio <riku.voipio@nokia.com>
2011-02-09linux-user: implement sched_{g,s}etaffinityMike Frysinger
Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Riku Voipio <riku.voipio@nokia.com>
2011-02-09linux-user/FLAT: allow targets to override FLAT processingMike Frysinger
This brings flatload.c more in line with the current Linux FLAT loader which allows targets to handle various FLAT aspects in their own way. For the common behavior, the new functions get stubbed out. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Riku Voipio <riku.voipio@nokia.com>
2011-02-09linux-user/FLAT: fix auto-stack sizingMike Frysinger
The current auto-stack sizing works like it does on a NOMMU system; the problem is that this only works if the envp/argv arrays are fairly slim. On a desktop system, this is rarely the case, and can easily blow past the stack and into data/text regions as the default stack for FLAT progs is a mere 4KiB. So rather than rely on the NOMMU calculation (which is only there because NOMMU can't easily allocate gobs of contiguous mem), calc the full space actually needed and let the MMU host make space. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Riku Voipio <riku.voipio@nokia.com>
2011-02-09linux-user: decode MAP_{UNINITIALIZED,EXECUTABLE} in straceMike Frysinger
Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Riku Voipio <riku.voipio@nokia.com>
2011-02-09linux-user: add ppoll syscall supportMike Frysinger
Some architectures (like Blackfin) only implement ppoll (and skip poll). So add support for it using existing poll code. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Riku Voipio <riku.voipio@nokia.com>
2011-02-09linux-user/elfload: add FDPIC supportMike Frysinger
Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Riku Voipio <riku.voipio@nokia.com>
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