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2011-06-08Fix compilation warning due to missing header for sigactionAlexandre Raymond
Fix the following warning by including signal.h directly in qemu-common.h ----8<---- iohandler.c: In function ‘qemu_init_child_watch’: iohandler.c:172: warning: implicit declaration of function ‘sigaction’ iohandler.c:172: warning: nested extern declaration of ‘sigaction’ ----8<---- Signed-off-by: Alexandre Raymond <cerbere@gmail.com> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2011-06-07Add an isa device for SGAGlauber Costa
This patch adds a dummy legacy ISA device whose responsibility is to deploy sgabios, an option rom for a serial graphics adapter. The proposal is that this device is always-on when -nographics, but can otherwise be enable in any setup when -device sga is used. [v2: suggestions on qdev by Markus ] [v3: cleanups and documentation, per list suggestions ] Signed-off-by: Glauber Costa <glommer@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-06-07json-parser: add handling for NULL token listMichael Roth
Currently a NULL token list will crash the parser, instead we have it pass back a NULL QObject. Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-06-07json-streamer: add handling for JSON_ERROR token/stateMichael Roth
This allows a JSON_ERROR state to be passed to the streamer to force a flush of the current tokens and pass a NULL token list to the parser rather that have it churn on bad data. (Alternatively we could just not pass it to the parser at all, but it may be useful to push there errors up the stack. NULL token lists are not currently handled by the parser, the next patch will address that) Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-06-07json-lexer: make lexer error-recovery more deterministicMichael Roth
Currently when we reach an error state we effectively flush everything fed to the lexer, which can put us in a state where we keep feeding tokens into the parser at arbitrary offsets in the stream. This makes it difficult for the lexer/tokenizer/parser to get back in sync when bad input is made by the client. With these changes we emit an error state/token up to the tokenizer as soon as we reach an error state, and continue processing any data passed in rather than bailing out. The reset token will be used to reset the tokenizer and parser, such that they'll recover state as soon as the lexer begins generating valid token sequences again. We also map chr(192,193,245-255) to an error state here, since they are invalid UTF-8 characters. QMP guest proxy/agent will use chr(255) to force a flush/reset of previous input for reliable delivery of certain events, so also we document that thoroughly here. Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-06-07json-lexer: fix flushing logic to not always go to error stateMichael Roth
Currently we flush the lexer by passing in a NULL character. This generally forces the lexer to go to the corresponding TERMINAL() state for whatever token type it is currently parsing, emits the token to the parser, then puts the lexer back into IN_START state. However, since a NULL character causes char_consumed to be 0, we always do a second pass after this, which puts us in the IN_ERROR state. Fix this behavior by adding a "flush" flag that tells the lexer not to do a more than 1 iteration. Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-06-07json-lexer: reset the lexer state on an invalid tokenAnthony Liguori
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-06-07json-parser: detect premature EOIAnthony Liguori
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-06-07json-streamer: make sure to reset token_size after emitting a token listAnthony Liguori
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-06-07json-streamer: limit the maximum recursion depth and maximum token countAnthony Liguori
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-06-07json-lexer: limit the maximum size of a given tokenAnthony Liguori
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-06-07json-streamer: allow recovery after bad inputAnthony Liguori
Once we detect a malformed message, make sure to reset our state. Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-06-07json-parser: propagate error from parserAnthony Liguori
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-06-07Introduce the new error frameworkLuiz Capitulino
New error-handling framework that allows for exception-like error propagation. Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-06-07QError: Introduce qerror_format()Luiz Capitulino
Will be used by new error propagation framework to convert Error objects into human-readable form. Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-06-07QError: Introduce qerror_format_desc()Luiz Capitulino
Refactor non-QError-specific bits out of qerror_human() into general function that can be used by the error_get_pretty() analogue in the new error-propagation framework. Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-06-07docs: qdev-device-use.txt has become stale, update itMarkus Armbruster
Document more bus addresses. Update for bugs fixed. Describe where exactly the -drive options go. Update for recent split of qdev ide-drive into ide-{cd,hd}, scsi-disk into scsi-{cd,hd}. Document scsi-hd's removable property only for usb-storage, because that's where it's used. Fix description of -global isa.fdc. Document usb-storage lossage. Clean up misleading description of network device's split into guest and host part. Document -vga's machine dependence. New qdevs: virtconsole, qxl-vga, isa-vga, intel-hda, usb-ccid Update for changed pci-assign property iommu. New section "Default Devices". Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-06-07isa-vga: Make available with -device, like the other VGA qdevsMarkus Armbruster
Switch no_user off and make it suppress the default VGA. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-06-06Fix regression introduced by -machine accel=Anthony Liguori
Commit 85097db6 changed the timing when kvm_allowed is set until after kvm is initialized. During initialization, the ioeventfd initialization code checks kvm_enabled() and after this change, ioeventfd is effectively disabled. This causes a significant regression in performance. Fix this by setting kvm_allowed before calling init. Reported-by: Khoa Huynh <khoa@us.ibm.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-06-06timer: drop HPET and RTCAnthony Liguori
dynticks will provide equally good timer granularity on all modern Linux systems. This is more or less dead code these days. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-06-05scsi: fix tracing of scsi requests with simple backendPaolo Bonzini
The simple backend only supports a maximum of 6 arguments. Split the scsi_req_parsed event in two parts to cope with the limit. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-06-03configure: check for -Wendif-labels supportMike Frysinger
Older gcc compilers do not support -Wendif-labels, so move it from the hardcoded list to the dynamically detected list. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Reviewed-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-06-03virtio-9p: Remove statement without effect (fix warning from cppcheck)Stefan Weil
cppcheck report: virtio-9p.c:197: warning: Redundant assignment of "flags" to itself Signed-off-by: Stefan Weil <weil@mail.berlios.de> Reviewed-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-06-03exec: Implement qemu_ram_free_from_ptr()Alex Williamson
Required for regions mapped via qemu_ram_alloc_from_ptr(). VFIO and ivshmem will make use of this to remove mappings when devices are hot unplugged. Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-06-03multiboot: set boot_device to first partitionArun Thomas
The multiboot info struct's 'boot_device' field has 'part1' set to 0x01, which maps to the second primary partition. To specify the first primary partition, 'part1' should be set to 0x00, since partition numbers start from zero according to the multiboot spec. Signed-off-by: Arun Thomas <arun.thomas@gmail.com> Reviewed-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-06-03target-arm: BKPT instructions should raise prefetch aborts with IFSR type 00010Alex Zuepke
Signed-off-by: Alex Zuepke <azuepke@sysgo.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-06-03tcg: Fix unused-but-set-variable warningChristophe Fergeau
Based on a patch from Hans de Goede <hdegoede@redhat.com> This warning is new in gcc 4.6. Acked-by: Amit Shah <amit.shah@redhat.com> Signed-off-by: Christophe Fergeau <cfergeau@redhat.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-06-03tcg: If DEBUG_TCGV, distinguish TCGv_ptr from TCGv_i32/TCGv_i64Peter Maydell
When compiling with DEBUG_TCGV enabled, make the TCGv_ptr type distinct from TCGv_i32/TCGv_i64. This means that using an i32 or i64 TCG op to manipulate a TCGv_ptr will always be detected at compile time, rather than only if compiling on a host system with the other word size. NB: the tcg_add_ptr and tcg_sub_ptr macros have been removed as they were not used anywhere. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-06-03tcg/tcg-op.h: Fix prototypes for ld/st functions on 64 bit hostsPeter Maydell
The prototypes for the ld/st functions on a 64 bit host declared the address parameter as a TCGv_i64 rather than a TCGv_ptr. This worked OK (since the two are aliases), but needs to be fixed to allow extension of TCG type debugging to i64/i32/ptr mismatches. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-06-03Use the correct header in the TCG MIPS code to find cacheflush() on OpenBSD.Brad
Use the correct header in the TCG MIPS code to find cacheflush() on OpenBSD to fix compilation of the MIPS host support for OpenBSD/mips64 based architecures. Signed-off-by: Brad Smith <brad@comstyle.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-06-03target-arm: Fix compilation failure for 64 bit hostsPeter Maydell
Use the correct _ptr aliases for manipulating the pointer to the fp_status; this fixes a compilation failure on 64 bit hosts. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Acked-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-06-03Merge branch 's390-next' of git://repo.or.cz/qemu/agrafAurelien Jarno
* 's390-next' of git://repo.or.cz/qemu/agraf: s390x: implement lrvgr s390x: fix cksm instruction s390x: free tmp explicitly in every opcode for disas_a5() target-s390x: Add missing tcg_temp_free_i32() target-s390x: Add missing tcg_temp_free_i64() in disas_s390_insn(), opc == 0x90 target-s390x: Add missing tcg_temp_free_i64() in disas_s390_insn(), opc == 0x8e target-s390x: Add missing tcg_temp_free_i64() in disas_b2() target-s390x: Add missing tcg_temp_free_i64() in do_mh() target-s390x: Add missing tcg_temp_free_i64() in gen_jcc() target-s390x: Fix duplicate call of tcg_temp_new_i64 target-s390x: Fix wrong argument in call of tcg_gen_shl_i64() target-s390x: Fix build for non-linux hosts s390x: update zipl rom
2011-06-03Merge branch 'ppc-next' of git://repo.or.cz/qemu/agrafAurelien Jarno
* 'ppc-next' of git://repo.or.cz/qemu/agraf: PPC: fix mpc8544ds pci default devices Fix segfault on screendump with -nographic PPC: install mpc8544ds.dtb PPC: fix sregs usage on booke ppc: Fix compilation for ppc64-softmmu
2011-06-03softfloat: add float*_is_zero_or_denormal()Aurelien Jarno
float*_is_zero_or_denormal() is available for float32, but not for float64, floatx80 and float128. Fix that. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-06-03target-i386: use floatx80 constants in helper_fld*_ST0()Aurelien Jarno
Instead of using a table which doesn't correspond to anything from physical in the CPU, use directly the constants in helper_fld*_ST0(). Cc: Andreas Färber <andreas.faerber@web.de> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-06-03softfloat: always enable floatx80 and float128 supportAurelien Jarno
Now that softfloat-native is gone, there is no real point on not always enabling floatx80 and float128 support. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-06-03softfloat-native: removeAurelien Jarno
Remove softfloat-native support, all targets are now using softfloat instead. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-06-03target-i386: remove old code handling float64Aurelien Jarno
Now that target-i386 uses softfloat, floatx80 is always available and there is no need anymore to have code handling both float64 and floax80. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-06-03target-mips/gdbstub: remove old CONFIG_SOFTFLOAT #ifndefAurelien Jarno
target-mips has been switched to softfloat only long ago, but a #ifndef CONFIG_SOFTFLOAT has been forgotten. Remove it. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-06-03target-ppc: remove old CONFIG_SOFTFLOAT #ifdefAurelien Jarno
target-ppc has been switched to softfloat only long ago, but a few #ifdef CONFIG_SOFTFLOAT have been forgotten. Remove them. Cc: Alexander Graf <agraf@suse.de> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-06-03s390x: implement lrvgrAlexander Graf
The LRVGR instruction was missing. Implement it, so everyone's happy. Reported-by: Balazs Kutil <bkutil@novell.com> Signed-off-by: Alexander Graf <agraf@suse.de>
2011-06-03s390x: fix cksm instructionAlexander Graf
The cksm instruction was implemented incorrectly, rendering UDP and TCP checksum calculation wrong, making an emulated s390x Linux guest break in most networking operations. This patch fixes odd end checksum calculation, takes the input register as input for the checksum and optimizes the overflow pieces by a bit. Signed-off-by: Alexander Graf <agraf@suse.de>
2011-06-03s390x: free tmp explicitly in every opcode for disas_a5()Alexander Graf
The disas_a5() function provided a TCG tmp variable which was populated by the respective opcode implementations, but freed at the end of the function in generic code. That makes it really hard for code review, so let's move the freeing to the same scope as the actual allocation. Signed-off-by: Alexander Graf <agraf@suse.de>
2011-06-03target-s390x: Add missing tcg_temp_free_i32()Stefan Weil
Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Alexander Graf <agraf@suse.de>
2011-06-03target-s390x: Add missing tcg_temp_free_i64() in disas_s390_insn(), opc == 0x90Stefan Weil
Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Alexander Graf <agraf@suse.de>
2011-06-03target-s390x: Add missing tcg_temp_free_i64() in disas_s390_insn(), opc == 0x8eStefan Weil
Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Alexander Graf <agraf@suse.de>
2011-06-03target-s390x: Add missing tcg_temp_free_i64() in disas_b2()Stefan Weil
Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Alexander Graf <agraf@suse.de>
2011-06-03target-s390x: Add missing tcg_temp_free_i64() in do_mh()Stefan Weil
Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Alexander Graf <agraf@suse.de>
2011-06-03target-s390x: Add missing tcg_temp_free_i64() in gen_jcc()Stefan Weil
Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Alexander Graf <agraf@suse.de>
2011-06-03target-s390x: Fix duplicate call of tcg_temp_new_i64Stefan Weil
tmp2 = tcg_temp_new_i64() is already executed unconditionally, so there is no need to call it a second time for 64 bit hosts. Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Alexander Graf <agraf@suse.de>
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