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2013-02-01linux-user: bsd-user: Don't reset X86CPU twiceAndreas Färber
Since commit 65dee38052597b6285eb208125369f01b29ba6c1 (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>
2013-01-16alpha-linux-user: Correct selectLaurent Vivier
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>
2013-01-16alpha-linux-user: Translate fcntl l_typeLaurent Vivier
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>
2013-01-12Merge branch 'ppc-for-upstream' of git://repo.or.cz/qemu/agrafBlue Swirl
* '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 ...
2013-01-12Merge branch 's390-reorg' of git://repo.or.cz/qemu/rthBlue Swirl
* 's390-reorg' of git://repo.or.cz/qemu/rth: (149 commits) target-s390: Claim maintainership target-s390: Use noreturn for exception and load_psw target-s390: Use TCG_CALL_NO_WG for misc helpers target-s390: Use TCG_CALL_NO_WG for integer helpers target-s390: Use TCG_CALL_NO_WG for floating-point helpers target-s390: Use TCG_CALL_NO_WG for memory helpers target-s390: Perform COMPARE AND SWAP inline target-s390: Optimize get_address target-s390: Optimize ADDC/SUBB target-s390: Optimize ADDU/SUBU CC testing target-s390: Tidy comparisons target-s390: Optmize emitting discards target-s390: Optimize XC target-s390: Fix cpu_clone_regs target-s390: Implement LOAD/SET FP AND SIGNAL target-s390: Implement SET ROUNDING MODE target-s390: Use uint64_to_float128 target-s390: Implement LCDFR target-s390: Check insn operand specifications target-s390: Implement CPSDR ...
2013-01-12alpha-linux-user: Fix sigactionRichard Henderson
Unconditional bswap replaced by __get_user/__put_user. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2013-01-12linux-user: Rewrite __get_user/__put_user with __builtin_choose_exprRichard Henderson
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>
2013-01-08linux-user: fix mips 32-on-64 prealloc caseAlexander Graf
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>
2013-01-07PPC: linux-user: Calculate context pointer explicitlySamuel Seay
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>
2013-01-07PPC: fix segfault in signal handling codeSamuel Seay
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>
2013-01-05target-s390: Reorg exception handlingRichard Henderson
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>
2013-01-04linux-user/syscall.c: remove forward declarationsJohn Spencer
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>
2012-12-19Merge remote-tracking branch 'bonzini/header-dirs' into stagingAnthony Liguori
* 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>
2012-12-19fpu: move public header file to include/fpuPaolo Bonzini
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-12-19misc: move include files to include/qemu/Paolo Bonzini
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-12-19exec: move include files to include/exec/Paolo Bonzini
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-12-19janitor: add guards to headersPaolo Bonzini
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-12-19build: kill libdis, move disassemblers to disas/Paolo Bonzini
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-12-18linux-user/syscall.c: remove wrong forward decl of setgroups()John Spencer
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>
2012-12-10Merge remote-tracking branch 'afaerber/qom-cpu' into stagingAnthony Liguori
* 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>
2012-12-08linux-user: Merge pread/pwrite into pread64/pwrite64Peter Maydell
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>
2012-12-06user: Rename qemu-types.h to qemu-user-types.hEduardo Habkost
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>
2012-12-06user: Move *-user/qemu-types.h to main directoryEduardo Habkost
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>
2012-10-31target-mips: Add ASE DSP resources access checkJia Liu
Add MIPS ASE DSP resources access check. Signed-off-by: Jia Liu <proljc@gmail.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2012-10-19Merge branch 'linux-user-for-upstream' of ↵Aurelien Jarno
git://git.linaro.org/people/rikuvoipio/qemu * 'linux-user-for-upstream' of git://git.linaro.org/people/rikuvoipio/qemu: linux-user: register align p{read, write}64 linux-user: ppc: mark as long long aligned tcg: Remove TCG_TARGET_HAS_GUEST_BASE define configure: Remove unnecessary host_guest_base code linux-user: If loading fails, print error as string, not number linux-user: Fix siginfo handling alpha-linux-user: Fix sigaltstack structure definition linux-user: Implement gethostname linux-user: Perform more checks on iovec lists linux-user: fix multi-threaded /proc/self/maps linux-user: fix statfs
2012-10-19microblaze: Update PC before simulating syscallEdgar E. Iglesias
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>
2012-10-19microblaze: Support setting of TLS ptrEdgar E. Iglesias
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2012-10-13target-sparc: Don't compute full flags value so oftenRichard Henderson
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>
2012-10-12linux-user: register align p{read, write}64Alexander Graf
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>
2012-10-12linux-user: ppc: mark as long long alignedAlexander Graf
The SysV PPC32 ABI dictates that long long (64bit) parameters are pass in odd/even register pairs. Because unlike ARM and MIPS we start at an odd register number, we can reuse the same aligning code that ARM and MIPS use. Clarified inline comment that it is SysV ABI that requires long long aligned parameters - Riku Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2012-10-12linux-user: If loading fails, print error as string, not numberPeter Maydell
If the attempt to load the guest executable fails, print the error message as a string, not a number. This requires us to fix a couple of places in loader_exec() where we were returning -1 instead of a valid negative errno. The change allows us to drop the "Unknown binary format" message because the strerror-enhanced message is now a more self-explanatory "Error while loading $guest-binary: Exec format error". Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2012-10-12linux-user: Fix siginfo handlingRichard Henderson
Compare signal numbers in the proper domain. Convert all of the fields for SIGIO and SIGCHLD. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2012-10-12alpha-linux-user: Fix sigaltstack structure definitionRichard Henderson
Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2012-10-12linux-user: Implement gethostnameRichard Henderson
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2012-10-12linux-user: Perform more checks on iovec listsRichard Henderson
Validate count between 0 and IOV_MAX. Limit total length of operation in the same way the kernel does. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2012-10-12linux-user: fix multi-threaded /proc/self/mapsAlexander Graf
When reading our faked /proc/self/maps from a secondary thread, we get an invalid stack entry. This is because ts->stack_base is not initialized in non-primary threads. However, ts->info is, and the stack layout information we're looking for is there too. So let's use that one instead! Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2012-10-12linux-user: fix statfsAlexander Graf
The statfs syscall should always memset(0) its full struct extent before writing to it. Newer versions of the syscall use one of the reserved fields for flags, which would otherwise get stale values from uncleaned memory. This fixes libarchive for me, which got confused about the return value of pathconf("/", _PC_REC_XFER_ALIGN) otherwise, as it some times gave old pointers as return value. Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2012-10-06Merge branch 'trivial-patches' of git://github.com/stefanha/qemuAurelien Jarno
* 'trivial-patches' of git://github.com/stefanha/qemu: versatilepb: Use symbolic indices for ARM PIC qdev: kill bogus comment qemu-barrier: Fix compiler version check for future gcc versions hw: Add missing 'static' attribute for QEMUMachine cleanup useless return sentence qemu-sockets: Fix compiler warning (regression for MinGW) vnc: Fix spelling (hellmen -> hellman) in comment slirp: Fix spelling in comment (enought -> enough, insure -> ensure) tcg/arm: Use tcg_out_mov_reg rather than inline equivalent code cpu: Add missing 'static' attribute to qemu_global_mutex configure: Support empty target list (--target-list=) hw: Fix return value check for bdrv_read, bdrv_write
2012-10-05cleanup useless return sentenceAmos Kong
This patch cleans up return sentences in the end of void functions. Reported-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Amos Kong <akong@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@gmail.com>
2012-10-05linux-user: remove two unchecked uses of strdupJim Meyering
Remove two uses of strdup (use g_path_get_basename instead), and add a comment that this strncpy use is ok. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Jim Meyering <meyering@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-09-25Merge remote-tracking branch 'stefanha/trivial-patches' into stagingAnthony Liguori
* stefanha/trivial-patches: w32: Always use standard instead of native format strings net/socket: Fix compiler warning (regression for MinGW) linux-user: Remove redundant null check and replace free by g_free qemu-timer: simplify qemu_run_timers TextConsole: saturate escape parameter in TTY_STATE_CSI curses: don't initialize curses when qemu is daemonized dtrace backend: add function to reserved words pflash_cfi01: Fix warning caused by unreachable code ioh3420: Remove unreachable code lm4549: Fix buffer overflow cadence_uart: Fix buffer overflow qemu-sockets: Fix potential memory leak qemu-ga: Remove unreachable code after g_error target-i386: Allow tsc-frequency to be larger then 2.147G
2012-09-25Merge remote-tracking branch 'afaerber/qom-cpu' into stagingAnthony Liguori
* afaerber/qom-cpu: target-alpha: Initialize env->cpu_model_str target-i386: Drop unused setscalar() macro target-i386: Kill cpudef config section support target-i386: x86_cpudef_setup() coding style change Eliminate cpus-x86_64.conf file target-i386: Move CPU models from cpus-x86_64.conf to C target-i386: Add missing CPUID_* constants Drop cpu_list_id macro target-i386: Fold -cpu ?cpuid, ?model output into -cpu help, drop ?dump MAINTAINERS: Add entry for QOM CPU
2012-09-23linux-user: Remove redundant null check and replace free by g_freeStefan Weil
Report from smatch: linux-user/syscall.c:3632 do_ioctl_dm(220) info: redundant null check on big_buf calling free() 'big_buf' was allocated by g_malloc0, therefore free was also replaced by g_free. Signed-off-by: Stefan Weil <sw@weilnetz.de> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Stefan Hajnoczi <stefanha@gmail.com>
2012-09-21linux-user: Use memcpy in get_user/put_user.Richard Henderson
When host and target have differing alignment rules, using a cast and direct memory operation can result in SIGBUS. Use memcpy instead, which the compiler will happily optimize when alignment is satisfied. Signed-off-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
2012-09-21Drop cpu_list_id macroPeter Maydell
Since the only user of the extended cpu_list_id() format was the x86 ?model/?dump/?cpuid output, we can drop it completely. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2012-09-14linux-user: Remove #if 0'd cpu_get_real_ticks() definitionPeter Maydell
Remove the cpu_get_real_ticks() definition from linux-user/main.c. This has been disabled via #if 0 and unused since commit 1dce7c3c22 in 2006; the definitions we actually use are in qemu-timer.h. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2012-08-27linux-user: Clarify "Unable to reserve guest address space" errorPeter Maydell
Now that we default to reserving nearly 4GB of RAM for the guest address space when running a 32 bit linux-user guest on 64 bit hosts, users are much more likely to run into it. Reword the message to be more informative about what failed and provide suggestions for how to fix things. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2012-08-27linux-user: fix emulation of getdentsDmitry V. Levin
In case when TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64, the last byte of the target dirent structure (aka d_type byte) was never copied from the host dirent structure, thus breaking everything that relies on valid d_type value, e.g. glob(3). Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Dmitry V. Levin <ldv@altlinux.org> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2012-08-27linux-user: arg_table need not have global scopeJim Meyering
Declare arg_table to be "static const", and adjust the two users to also be const. Signed-off-by: Jim Meyering <meyering@redhat.com> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2012-08-22linux-user: do_msgrcv: don't leak host_mb upon TARGET_EFAULT failureJim Meyering
Also, use g_malloc to avoid NULL-deref upon OOM. Signed-off-by: Jim Meyering <meyering@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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