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2009-12-18Avoid permanently disabled QEMU monitor when UNIX migration failsDaniel P. Berrange1-5/+7
If a UNIX migration command is attempt to a UNIX socket which does not exist, then the monitor is suspended, but never resumed. This prevents any further use of the monitor * migration-unix.c: Only call migrate_fd_monitor_suspend() once connected to the UNIX socket. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-18Fix loading of ELF multiboot kernelsKevin Wolf2-6/+6
The multiboot implementation assumed that there is only one program header (which contains the entry point) and that the entry point is at the start of the code. This doesn't hold true generally and caused too little data to be loaded. Fix the loading code to pass the whole loaded data to the Multiboot Option ROM. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-18Revert "Rename DriveInfo.onerror to on_write_error" (fix mismerge)Kevin Wolf1-4/+0
Part of the first patch of the -drive rerror series has been merged once more on top of the rest of the series. This effectively disables the rerror option and always goes with the default value. Reverting the commit re-enables the option. This reverts commit fc072ec4df0996682dfbff6c735e2bbc0d93132f. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-18qemu-io: Fix memory leakKevin Wolf1-4/+6
Signed-off-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-18Fix thinko in linuxboot.SPaolo Bonzini1-12/+8
The %gs segment that was used was not matching the comments. I just moved the GDT descriptor on the stack instead. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-18target-i386: Fix evaluation of DR7 registerJan Kiszka1-2/+2
hw_breakpoint_type and hw_breakpoint_len used the wrong index multiplier to extract type and len. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-18kvm: x86: Use separate exception_injected CPUState fieldJan Kiszka3-3/+5
Marcelo correctly remarked that there are usage conflicts between QEMU core code and KVM /wrt exception_index. So spend a separate field and also save/restore it properly. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-18vnc: hextile: do not generate ForegroundSpecified and SubrectsColoured tilesAnthony Liguori1-3/+1
This violates the RFB specification (section 6.6.4). It happens to work with most clients but it's still wrong. Reported-by: Yaniv Kaul <ykaul@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-18Revert "pci: interrupt disable bit support"Anthony Liguori2-28/+2
This reverts commit 0ea5709a32085f7d14901a09d12bd35f9b267607. Per discussion with Michael Tsirkin, this is too risky for 0.12 Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-18S390: Bail out without KVMAlexander Graf1-0/+7
Currently only the S390 KVM target works. To keep users from accidently not using KVM, let's not even initialize the machine when KVM is not used. Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2009-12-18S390: Don't tell guest we're updating config spaceAlexander Graf1-1/+1
Currently we always set the "config space changed" bit to 1 when triggering any virtio interrupt. While that worked in 2.6.27, newer kernels interpret that value as "only the config space changed and nothing else happened". Since we usually trigger interrupts to tell the guest that something did happen, we just not tell it the config space changed for now until we implement the correct callback for that. Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2009-12-18add default virtcon initializationAlexander Graf1-0/+2
When going through the default devices, we don't initialize the virtio console, unless we're doing -nographic. I suppose that's just a leftover from the recent code restructuring, so let's put it in. Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2009-12-18S390: Loop through virtio console devicesAlexander Graf1-1/+5
We used to always create one single virtio console device. This breaks when either zero of multiple virtio console devices are requested, so let's use the same code as on x86. Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2009-12-18target-s390: Fail on unknown instructionsAlexander Graf1-1/+1
We were being a bit too nice and didn't give the guest an invalid instruction interrupt. While that works, it's not exactly the fastest thing to do, since now the guest doesn't know that we're not really implementing that instruction, so it continues doing it. We run into this with the set_page_unstable hint instruction. So let's bail out in these cases. Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2009-12-18osdep: Fix runtime failure on older Linux kernelsAndre Przywara1-6/+12
If QEMU finds newer kernel header files on compilation time, it will use advertised features like pipe2 or SOCK_CLOEXEC by just doing a compile test. If later the executables are executed on an older kernel (<2.6.27, like Xen Dom0 2.6.18), then QEMU will fail on opening sockets and creating pipes and returns the rather unspecific "qemu_init_main_loop failed". This patch fixes this by checking the return values of these calls for EINVAL and ENOSYS and falling back to the older versions automatically. Signed-off-by: Andre Przywara <andre.przywara@amd.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2009-12-17Fix a make -j raceJuergen Lock1-1/+1
Make libuser.a depend on $(GENERATED_HEADERS) too so make -j won't start building it before the headers exist. (There may be more bugs like this but at least this makes (g)make -j4 started from scratch on a quadcore now always complete here again.) Signed-off-by: Juergen Lock <nox@jelal.kn-bremen.de> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2009-12-17target-alpha: Fix float32_to_s vs zero exponent.Richard Henderson1-12/+32
There was a bug in float32_to_s that incorrectly mapped a zero exponent to 0x38. This meant 0.0f != 0. At the same time, fix a generic type punning bug in helper_memory_to_s and helper_s_to_memory. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2009-12-17target-alpha: Fix cvtlq.Richard Henderson1-1/+3
We were missing the 0xc0000000 mask, leading to incorrect results. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2009-12-17target-alpha: Fix generic ctz64.Richard Henderson1-1/+1
Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2009-12-17target-alpha: Implement fp branch/cmov inline.Richard Henderson3-125/+110
The old fcmov implementation had a typo: - tcg_gen_mov_i64(cpu_fir[rc], cpu_fir[ra]); which moved the condition, not the second source, to the destination. But it's also easy to implement the simplified fp comparison inline. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2009-12-17target-alpha: Add placeholders for missing userspace PALcalls.Richard Henderson1-2/+30
Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2009-12-17target-mips: No MIPS16 support for 4Kc, 4KEc coresStefan Weil1-3/+3
Fix regression introduced by d19954f46dfc262612c30e9534e660e953049487. 4Kc and 4KEc don't support MIPS16. Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2009-12-16target-alpha: Fix compiler warning for gcc-4.3 (and older)Stefan Weil1-0/+1
"Old" compilers obviously are not able to recognise that all cases are handled here: qemu/target-alpha/helper.c:70: error: ‘round_mode’ may be used uninitialized in this function A small modification helps the compiler to do its jobs. gcc-4.4 does not need this, but is still not standard on all platforms. Signed-off-by: Stefan Weil <weil@mail.berlios.de> Acked-by: Laurent Desnogues <laurent.desnogues@gmail.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2009-12-16s390: Fix buggy assignmentStefan Weil1-1/+1
nd->model keeps dynamically allocated model names. So casting of a constant string is wrong here. Signed-off-by: Stefan Weil <weil@mail.berlios.de> Acked-by: Alexander Graf <agraf@suse.de> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2009-12-16target-mips: 4Kc, 4KEc cores do not support MIPS16Stefan Weil1-3/+3
4Kc, 4KEc cores do not support MIPS16, so not only the CP0_Config1 had to be fixed (see previous patch), but also MIPS16 instructions must not be executed. (Hint from Nathan Froyd, thanks). Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2009-12-16microblaze: Print content of EAR registerMichal Simek2-4/+4
I need to see EAR register in output because I need to parse irqsoff problem. Signed-off-by: Michal Simek <monstr@monstr.eu> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2009-12-16microblaze: Update debug logs.Edgar E. Iglesias2-2/+14
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2009-12-15tcg/ppc64: Fix loading of 32bit constantsmalc1-1/+2
Signed-off-by: malc <av1474@comtv.ru>
2009-12-13target-alpha: Fix double log_cpu_state.Richard Henderson1-1/+0
The proper logging is handled by generic code. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2009-12-13target-alpha: Fix FMOV.Richard Henderson1-3/+7
Properly handle move from the zero register. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2009-12-13target-alpha: Expand ins*h inline.Richard Henderson3-27/+45
Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2009-12-13target-alpha: Expand msk*h inline.Richard Henderson3-32/+49
Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2009-12-13target-alpha: Expand msk*l inline.Richard Henderson3-32/+30
Similar in difficulty to ext*l, already expanded. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2009-12-13target-alpha: Expand ins*l inline.Richard Henderson3-56/+59
Similar in difficulty to ext*l, already expanded. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2009-12-13target-alpha: Implement RD/WRUNIQUE in the translatorRichard Henderson2-16/+34
When emulating user-mode only, there's no reason to exit the translation block to effect a call_pal. We can generate a move to/from the unique slot directly. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2009-12-13target-alpha: Fix fbcond branch offset.Richard Henderson1-5/+4
The instructions use a disp21 like all other branch insns, not the disp16 that was being passed. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2009-12-13target-alpha: Rewrite gen_ext_[hl] in terms of zapnot.Richard Henderson1-32/+25
The architecture manual specifies the EXT instructions in terms of the ZAPNOT operation; writing it that way in the translator makes things a bit clearer. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2009-12-13target-alpha: Expand zap/zapnot with immediate inline.Richard Henderson1-2/+59
The vast majority of zap instructions have an immediate operand, since zapnot is the canonical method to zero-extend from u16 or u32. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2009-12-13target-alpha: Fix -d in_asmRichard Henderson1-15/+4
Generic disassembly was incorrectly keyed on ALPHA_DEBUG_DISAS rather than the generic DEBUG_DISAS. Use qemu_log_mask for additional LOG_DISAS output. Delete some random insn_count logging noise from gen_intermediate_code_internal. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2009-12-13target-alpha: Implement missing MVI instructions.Richard Henderson3-30/+231
Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2009-12-13target-mips: fix user-mode emulation startupNathan Froyd2-8/+8
Running programs with the MIPS user-mode emulator fails during dynamic loading, as floating-point instructions are not enabled in in env->hflags. Move the code for doing so from fpu_init to cpu_reset so the MIPS_HFLAG_{FPU,F64} setting doesn't get clobbered by cpu_reset setting env->hflags to MIPS_HFLAG_UM. The same end can be achieved by swapping the ordering of fpu_init and cpu_reset in cpu_mips_init, but it seemed better to consolidate the CONFIG_USER_ONLY code into a single location. Signed-off-by: Nathan Froyd <froydnj@codesourcery.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2009-12-13target-i386: Update CPUID feature set for TCGAndre Przywara1-13/+12
The CPUID features QEMU presented to the guest were not up-to-date with QEMU's emulated feature set. Add the missing bits of recent (and not so recent) additions to QEMU's emulation engine. For stability reasons only the user mode usable bits are exposed for now, features like Monitor or CR8LEG are left out. Signed-off-by: Andre Przywara <andre.przywara@amd.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2009-12-13target-alpha: Fixes for alpha-linux syscalls.Richard Henderson6-49/+468
1. Add correct definitions of error numbers. 2. Implement SYS_osf_sigprocmask 3. Implement SYS_osf_get/setsysinfo for IEEE_FP_CONTROL. This last requires exposing the FPCR value to do_syscall. Since this value is actually split up into the float_status, expose routines from helper.c to access it. Finally, also add a float_exception_mask field to float_status. We don't actually use it to control delivery of exceptions to the emulator yet, but simply hold the value that we placed there when loading/storing the FPCR. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2009-12-13target-alpha: Enable softfloat.Richard Henderson2-3/+3
Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2009-12-13target-alpha: Honor the -cpu command line argument.Richard Henderson1-2/+42
Also change the default cpu to ev67. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2009-12-13target-alpha: Remove bogus DO_TB_FLUSH code from translator.Richard Henderson3-14/+1
Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2009-12-13target-alpha: Add binfmt entry.Richard Henderson1-0/+3
Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2009-12-13target-alpha: Drop bogus UNIQ initial value on Linux.Richard Henderson1-3/+0
Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2009-12-13target-mips: set Config1.CA for MIPS16-aware CPUsNathan Froyd1-9/+18
Signed-off-by: Nathan Froyd <froydnj@codesourcery.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2009-12-13target-mips: add copyright notice for mips16 workNathan Froyd2-1/+1
Also cross off mips16 ASE in TODO. Signed-off-by: Nathan Froyd <froydnj@codesourcery.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
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