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2012-12-10Merge remote-tracking branch 'kraxel/acpi.1' into stagingAnthony Liguori11-415/+317
* kraxel/acpi.1: acpi: drop debug port q35: update lpc pci config space according to configured devices apci: switch piix4 pci hotplug to memory api acpi: remove acpi_gpe_blk apci: switch piix4 gpe to memory api acpi: fix piix4 smbus mapping acpi: switch smbus to memory api acpi: cleanup ich9 memory region apci: switch ich9 smi to memory api apci: switch ich9 gpe to memory api acpi: cleanup vt82c686 memory region acpi: cleanup piix4 memory region apci: switch evt to memory api apci: switch cnt to memory api apci: switch timer to memory api apci: switch vt82c686 to memory api apci: switch ich9 to memory api apci: switch piix4 to memory api Conflicts: hw/lpc_ich9.c Resolved merge conflict due to apm_init adding an argument. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-12-10Merge remote-tracking branch 'aneesh/for-upstream' into stagingAnthony Liguori1-29/+64
* aneesh/for-upstream: virtfs-proxy-helper: use setresuid and setresgid Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-12-10Merge remote-tracking branch 'kraxel/usb.74' into stagingAnthony Liguori13-9/+168
* kraxel/usb.74: usb-tablet: Allow connecting to ehci ehci: Lower timer freq when the periodic schedule is idle usb: Allow overriding of usb_desc at the device level usb: Don't allow USB_RET_ASYNC for interrupt packets usb: Call wakeup when data becomes available for all devices with int eps add pc-1.4 Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-12-08configure: Default to 'cc', not 'gcc'Peter Maydell1-2/+11
Default to 'cc' as our compiler, rather than 'gcc'. We used to have to insist on gcc when we still kept the CPU env in a fixed global register, but this is no longer necessary and we will now compile OK on clang as well as gcc. Using 'cc' should generally result in us using the most standard and maintained system compiler for the platform. (For instance on newer MacOS X 'gcc' exists but is an elderly compiler provided mostly for legacy reasons, and 'cc' (which is clang) is definitely the better choice.) On Linux there will generally be no user-visible change since cc will be gcc. This changeover necessitates a slight reworking of how we set the 'cc' variable, because GNU cross toolchains generally provide a '${cross_prefix}gcc' but not a '${cross_prefix}cc'. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-12-08linux-user: Merge pread/pwrite into pread64/pwrite64Peter Maydell6-32/+8
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>
2012-12-08target-xtensa: use movcond where possibleMax Filippov1-50/+42
Use movcond for all sorts of conditional moves, ABS, CLAMPS, MIN/MAX opcodes. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-12-08target-xtensa: add s32c1i unit testsMax Filippov2-0/+40
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-12-08target-xtensa: add SR accessibility unit testsMax Filippov3-1/+92
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-12-08target-xtensa: implement MISC SRMax Filippov3-0/+6
The Miscellaneous Special Registers Option provides zero to four scratch registers within the processor readable and writable by RSR, WSR, and XSR. These registers are privileged. They may be useful for some application-specific exception and interrupt processing tasks in the kernel. The MISC registers are undefined after reset. See ISA, 4.7.3 for details. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-12-08target-xtensa: better control rsr/wsr/xsr access to SRsMax Filippov1-19/+30
There are read-only (DEBUGCAUSE, PRID) and write-only (INTCLEAR) SRs, and INTERRUPT/INTSET SR allows rsr/wsr, but not xsr. Raise illeagal opcode exception on illegal access to these SRs. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-12-08target-xtensa: restrict available SRs by enabled optionsMax Filippov3-105/+130
Beginning with the RA-2004.1 release, SR access instructions (rsr, wsr, xsr) are associated with their corresponding SR and raise illegal opcode exception in case the register is not configured for the core. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-12-08target-xtensa: implement CACHEATTR SRMax Filippov5-1/+25
In XEA1, the Options for Memory Protection and Translation and the corresponding TLB management instructions are not available. Instead, functionality similar to the Region Protection Option is available through the cache attribute register. See ISA, A.2.14 for details. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-12-08target-xtensa: implement ATOMCTL SRMax Filippov7-14/+131
ATOMCTL SR controls s32c1i opcode behavior depending on targeted memory type. See ISA, 4.3.12.4 for details. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-12-08Merge branch 'master' of git.qemu-project.org:/pub/git/qemuBlue Swirl6-15/+55
* 'master' of git.qemu-project.org:/pub/git/qemu: target-mips: Fix incorrect shift for SHILO and SHILOV target-mips: Fix incorrect code and test for INSV xilinx_uartlite: Accept input after rx FIFO pop xilinx_uartlite: suppress "cannot receive message" xilinx_axienet: Implement R_IS behaviour
2012-12-08finally kill cpudef config section supportEduardo Habkost1-49/+0
The external CPU models were removed on QEMU 1.2, and the support for the "cpudef" config sections was documented as deprecated, but the actual removal of the config section was pending. Now that QEMU 1.3 was released, we can finally kill the support for cpudef config sections, and support only the built-in CPU models from target-i386/cpu.c. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-12-08Merge branch 'memory-ioport' of git://github.com/afaerber/qemu-cpuBlue Swirl13-78/+178
* 'memory-ioport' of git://github.com/afaerber/qemu-cpu: hw/dma.c: Replace register_ioport_* hw/pc.c: Replace register_ioport_* serial: Replace register_ioport_* hw/cirrus_vga.c: Replace register_ioport_* hw/apm.c: Replace register_ioport_* isa: Add isa_address_space_io()
2012-12-08HACKING: List areas where we may rely on impdef C behaviourPeter Maydell1-0/+20
Add a section to HACKING saying which version of the C spec we use and describing the bits of implementation defined C compiler behaviour which C code in QEMU is allowed to rely on. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-12-08pixman: require 0.18.4 or newerGerd Hoffmann1-2/+2
When older versions are found the internal pixman version is prefered. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-12-08TCG: Remove unused global gen_opc_ arrays.Evgeny Voevodin2-8/+0
Signed-off-by: Evgeny Voevodin <e.voevodin@samsung.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-12-08TCG: Use gen_opc_instr_start from context instead of global variable.Evgeny Voevodin16-46/+47
Signed-off-by: Evgeny Voevodin <e.voevodin@samsung.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-12-08TCG: Use gen_opc_icount from context instead of global variable.Evgeny Voevodin16-16/+16
Signed-off-by: Evgeny Voevodin <e.voevodin@samsung.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-12-08TCG: Use gen_opc_pc from context instead of global variable.Evgeny Voevodin15-33/+34
Signed-off-by: Evgeny Voevodin <e.voevodin@samsung.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-12-08tcg/tcg.h: Duplicate global TCG gen_opc_ arrays into TCGContext.Evgeny Voevodin1-0/+3
Signed-off-by: Evgeny Voevodin <e.voevodin@samsung.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-12-08curses: Remove OpenBSD workaroundBrad Smith1-4/+0
I removed the same sort of workaround for OpenBSD within the configure script with commit 4dcc3f5876fa638d5c35bd47be3b717ea74cc2e7 but didn't bother to grep further to come across this same chunk of code in the curses code itself. So the following diff removes the same workaround chunk within the curses code. Signed-off-by: Brad Smith <brad@comstyle.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-12-08exec: Advise huge pages for the TCG code gen bufferRichard Henderson1-0/+2
After allocating 32MB or more contiguous memory, huge pages would seem to be ideal. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-12-06target-mips: Fix incorrect shift for SHILO and SHILOVPetar Jovanovic3-8/+47
helper_shilo has not been shifting an accumulator value correctly for negative values in 'shift' field. Minor optimization for shift=0 case. This change also adds tests that will trigger issue and check for regressions. Signed-off-by: Petar Jovanovic <petarj@mips.com> Reviewed-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Eric Johnson <ericj@mips.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2012-12-06target-mips: Fix incorrect code and test for INSVPetar Jovanovic2-2/+2
Content of register rs should be shifted for pos before applying a mask. This change contains both fix for the instruction and to the existing test. Signed-off-by: Petar Jovanovic <petarj@mips.com> Reviewed-by: Eric Johnson <ericj@mips.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2012-12-05virtfs-proxy-helper: use setresuid and setresgidPaolo Bonzini1-29/+64
The setfsuid and setfsgid system calls are obscure and they complicate the error checking (that glibc's warn_unused_result "feature" forces us to do). Switch to the standard setresuid and setresgid functions. Signed-off-by: Paolo Bonzini <pbonini@redhat.com Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
2012-12-05xilinx_uartlite: Accept input after rx FIFO popPeter Crosthwaite1-0/+1
The device return false from the can receive function when the FIFO is full. This mean the device should check for buffered input whenever a byte is popped from the FIFO. Reported-by: Jason Wu <huanyu@xilinx.com> Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2012-12-05xilinx_uartlite: suppress "cannot receive message"Peter Crosthwaite1-5/+1
This message is not an error condition, its just informing the user that the device is corking the uart traffic to not drop characters. Reported-by: Jason Wu <huanyu@xilinx.com> Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2012-12-05xilinx_axienet: Implement R_IS behaviourPeter Crosthwaite1-0/+4
The interrupt status register R_IS is the standard clear-on-write behaviour. This was unimplemented and defaulting to updating the register to the written value. Implemented clear-on-write. Reported-by: Jason Wu <huanyu@xilinx.com> Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2012-12-04hw/dma.c: Replace register_ioport_*Julien Grall1-36/+70
Replace all register_ioport_*() with the new Memory API functions. This permits to use the new Memory stuff like listeners. Signed-off-by: Julien Grall <julien.grall@citrix.com> Acked-by: Avi Kivity <avi@redhat.com> [AF: Rebased onto hwaddr] Signed-off-by: Andreas Färber <afaerber@suse.de>
2012-12-04hw/pc.c: Replace register_ioport_*Julien Grall1-9/+40
Replace all register_ioport_*() with portio_*() or a MemoryRegion. This permits to use the new Memory stuff like listeners. Signed-off-by: Julien Grall <julien.grall@citrix.com> Acked-by: Avi Kivity <avi@redhat.com> [AF: Rebased onto hwaddr] Signed-off-by: Andreas Färber <afaerber@suse.de>
2012-12-04serial: Replace register_ioport_*Julien Grall3-4/+5
Replace all register_ioport_*() with a MemoryRegion. This permits to use the new Memory stuff like listeners. For more flexibility, the IO address space is passed as an argument. Signed-off-by: Julien Grall <julien.grall@citrix.com> Acked-by: Avi Kivity <avi@redhat.com> [AF: Rebased onto serial split] Signed-off-by: Andreas Färber <afaerber@suse.de>
2012-12-04hw/cirrus_vga.c: Replace register_ioport_*Julien Grall1-20/+28
Replace all register_ioport_*() with the new Memory API. This permits to use the new Memory stuff like listeners. Signed-off-by: Julien Grall <julien.grall@citrix.com> Acked-by: Avi Kivity <avi@redhat.com> [AF: Rebased onto hwaddr] Signed-off-by: Andreas Färber <afaerber@suse.de>
2012-12-04hw/apm.c: Replace register_ioport_*Julien Grall5-9/+25
Replace all register_ioport_*() with a MemoryRegion. This permits to use the new Memory stuff like listeners. Moreover, the PCI device is added as an argument for apm_init(), so we can register IO inside the PCI IO address space. Signed-off-by: Julien Grall <julien.grall@citrix.com> Acked-by: Avi Kivity <avi@redhat.com> [AF: Rebased onto hwaddr and q35] Signed-off-by: Andreas Färber <afaerber@suse.de>
2012-12-04isa: Add isa_address_space_io()Julien Grall2-0/+10
This function permits to retrieve ISA IO address space. It will be usefull when we need to pass IO address space as argument. Signed-off-by: Julien Grall <julien.grall@citrix.com> Acked-by: Avi Kivity <avi@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2012-12-04usb-tablet: Allow connecting to ehciHans de Goede2-1/+93
Our ehci code has is capable of significantly lowering the wakeup rate for the hcd emulation while the device is idle. It is possible to add similar code ot the uhci emulation, but that simply is not there atm, and there is no reason why a (virtual) usb-tablet can not be a USB-2 device. Making usb-hid devices connect to the emulated ehci controller instead of the emulated uhci controller on vms which have both lowers the cpuload for a fully idle vm from 20% to 2-3% (on my laptop). An alternative implementation to using a property to select the tablet type, would be simply making it a new device type, ie usb-tablet2, but the downside of that is that this will require libvirt changes to be available through libvirt at all, and then management tools changes to become the default for new vms, where as using a property will automatically get any pc-1.3 type vms the lower cpuload. [ kraxel: adapt compat property for post-1.3 merge ] Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> tablet compat fixup Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2012-12-04ehci: Lower timer freq when the periodic schedule is idleHans de Goede2-6/+34
Lower the timer freq if no iso schedule packets complete for 64 frames in a row. We can safely do this, without adding latency, because: 1) If there is isoc traffic this will never trigger 2) For async handled interrupt packets (only usb-host), the completion handler will immediately schedule the frame_timer from a bh 3) All devices using NAK to signal no data for interrupt endpoints now use wakeup, which will immediately schedule the frame_timer from a bh The advantage of this is that when we only have interrupt packets in the periodic schedule, async_stepdown can do its work and significantly lower the frequency at which the frame_timer runs. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2012-12-04usb: Allow overriding of usb_desc at the device levelHans de Goede2-0/+4
This allows devices to present a different set of descriptors based on device properties. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2012-12-04usb: Don't allow USB_RET_ASYNC for interrupt packetsHans de Goede4-0/+7
It is tempting to use USB_RET_ASYNC for interrupt packets, rather then the current NAK + polling approach, but this causes issues for migration, as an async completed packet will not getting written back to guest memory until the next poll time, and if a migration happens in between it will get lost! Make an exception for host devices, because: 1) host-linux actually uses async completion for interrupt endpoints 2) host devices don't migrate anyways Ideally we would convert host-linux.c to handle (input) interrupt endpoints in a buffered manner like it does for isoc endpoints, keeping multiple urbs submitted to ensure the devices timing requirements are met, as well as making its interrupt ep handling the same as other usb-devices. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2012-12-04usb: Call wakeup when data becomes available for all devices with int epsHans de Goede4-0/+17
This is necessary for proper interaction with the xhci controller, and it will allow other hcds to lower there frame timer while waiting for interrupt data. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2012-12-04add pc-1.4Gerd Hoffmann1-2/+13
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2012-12-04acpi: drop debug portGerd Hoffmann1-9/+0
I'm pretty sure this isn't needed any more. I think this predates the switch to seabios, and the seabios DSDT table has a DBUG() aml macro which writes stuff to the seabios debug port (0x402). Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2012-12-04q35: update lpc pci config space according to configured devicesGerd Hoffmann3-12/+30
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2012-12-04apci: switch piix4 pci hotplug to memory apiGerd Hoffmann1-8/+29
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2012-12-04acpi: remove acpi_gpe_blkGerd Hoffmann4-11/+0
With gpe being switched to memory api this is no longer needed. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2012-12-04apci: switch piix4 gpe to memory apiGerd Hoffmann1-6/+18
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2012-12-04acpi: fix piix4 smbus mappingGerd Hoffmann1-1/+19
Make write to the smbus base register and enable bit actually work. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2012-12-04acpi: switch smbus to memory apiGerd Hoffmann5-50/+33
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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