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2011-02-23bitmap: add a generic bitmap and bitops libraryCorentin Chary
Add most used bitmap and bitops functions into bitmap.c and bitops.c. Theses functions are mostly copied from Linux kernel source. Some of these functions are already redefined in the VNC server. Some of them could be used for some block stuff. The yet yo be submitted NUMA work also need bitmaps. bitops_ffsl() and bitops_flsl() are here because bitops/bitmap works on unsigned long, not int, and we can't use current code because: * ffs only works on int * qemu_fls only works on int * ffsl is a GNU extension Signed-off-by: Corentin Chary <corentincj@iksaif.net> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-10-30Move qemu_gettimeofday() to OS specific filesJes Sorensen
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-09-25Introduce qemu_madvise()Andreas Färber
vl.c has a Sun-specific hack to supply a prototype for madvise(), but the call site has apparently moved to arch_init.c. Haiku doesn't implement madvise() in favor of posix_madvise(). OpenBSD and Solaris 10 don't implement posix_madvise() but madvise(). MinGW implements neither. Check for madvise() and posix_madvise() in configure and supply qemu_madvise() as wrapper. Prefer madvise() over posix_madvise() due to flag availability. Convert all callers to use qemu_madvise() and QEMU_MADV_*. Note that on Solaris the warning is fixed by moving the madvise() prototype, not by qemu_madvise() itself. It helps with porting though, and it simplifies most call sites. v7 -> v8: * Some versions of MinGW have no sys/mman.h header. Reported by Blue Swirl. v6 -> v7: * Adopt madvise() rather than posix_madvise() semantics for returning errors. * Use EINVAL in place of ENOTSUP. v5 -> v6: * Replace two leftover instances of POSIX_MADV_NORMAL with QEMU_MADV_INVALID. Spotted by Blue Swirl. v4 -> v5: * Introduce QEMU_MADV_INVALID, suggested by Alexander Graf. Note that this relies on -1 not being a valid advice value. v3 -> v4: * Eliminate #ifdefs at qemu_advise() call sites. Requested by Blue Swirl. This will currently break the check in kvm-all.c by calling madvise() with a supported flag, which will not fail. Ideas/patches welcome. v2 -> v3: * Reuse the *_MADV_* defines for QEMU_MADV_*. Suggested by Alexander Graf. * Add configure check for madvise(), too. Add defines to Makefile, not QEMU_CFLAGS. Convert all callers, untested. Suggested by Blue Swirl. * Keep Solaris' madvise() prototype around. Pointed out by Alexander Graf. * Display configure check results. v1 -> v2: * Don't rely on posix_madvise() availability, add qemu_madvise(). Suggested by Blue Swirl. Signed-off-by: Andreas Färber <afaerber@opensolaris.org> Cc: Blue Swirl <blauwirbel@gmail.com> Cc: Alexander Graf <agraf@suse.de> Cc: Andrea Arcangeli <aarcange@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-08-15win32: Add missing function setenvStefan Weil
Mingw32 does not provide a declaration and implementation of function setenv (which is used in sdl.c), so this patch adds both. Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2009-12-03qdev: move DO_UPCAST() into osdep.hMark McLoughlin
Nothing qdev specific about this, make it available throughtout. Signed-off-by: Mark McLoughlin <markmc@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-09-12Fix a Sparse warning about redefinition of offsetof()Blue Swirl
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2009-08-27move useful type definitons to osdep.hJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-08-16Replace always_inline with inlineBlue Swirl
We define inline as always_inline. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2009-01-07snapshot subcommand for qemu-img (Kevin Wolf)aliguori
Add snapshot subcommand to qemu-img which allows to list, create, apply and delete snapshots on qcow2 images. Signed-off-by: Kevin Wolf <kwolf@suse.de> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6215 c046a42c-6fe2-441c-8c8c-71466251a162
2008-12-01Fix a typo preventing GNUC builtins usage.balrog
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5842 c046a42c-6fe2-441c-8c8c-71466251a162
2008-11-19Only force inlining when optimizing.pbrook
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5751 c046a42c-6fe2-441c-8c8c-71466251a162
2008-11-11Fix -linux-user build by reverting r5701aliguori
Unfortunately, -linux-user doesn't use osdep as it replaces some of those functions with specific ones. The code #ifdef code in exec.c needs to remain in place so instead of introducing a qemu_getpagesize() let's just use getpagesize() in the non-Windows implementation of qemu_vmalloc. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5703 c046a42c-6fe2-441c-8c8c-71466251a162
2008-11-11Define OS-dependent qemu_getpagesize() (Hollis Blanchard)aliguori
Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5701 c046a42c-6fe2-441c-8c8c-71466251a162
2008-10-12Define macro QEMU_GNUC_PREREQ and use itaurel32
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5467 c046a42c-6fe2-441c-8c8c-71466251a162
2008-09-16Move offsetof to osdep.h, remove local defintions.balrog
With this container_of can actually be used without causing build errors. Reformat container_of. git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5234 c046a42c-6fe2-441c-8c8c-71466251a162
2008-08-21add container_of() macro to osdep.h (Gerd Hoffmann)aliguori
From linux kernel sources, xen bits will use it, put it into a place where others can see and use it too ;) Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5057 c046a42c-6fe2-441c-8c8c-71466251a162
2008-08-15Preliminary OpenBSD host support (based on OpenBSD patches by Todd T. Fries)blueswir1
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5012 c046a42c-6fe2-441c-8c8c-71466251a162
2008-06-05Fix always_inline definition for Darwin, by Andreas Faerber.ths
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4674 c046a42c-6fe2-441c-8c8c-71466251a162
2008-04-11Remove osdep.c/qemu-img code duplicationaurel32
(Kevin Wolf) git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4191 c046a42c-6fe2-441c-8c8c-71466251a162
2008-03-11 Remove blank elements in tcg_target_reg_alloc_order[] (Stuart Brady)blueswir1
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4039 c046a42c-6fe2-441c-8c8c-71466251a162
2008-01-31use simpler REGPARM convention - make CPUTLBEntry size a power of twobellard
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3935 c046a42c-6fe2-441c-8c8c-71466251a162
2007-12-24Add "cache" parameter to "-drive" (Laurent Vivier).balrog
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3848 c046a42c-6fe2-441c-8c8c-71466251a162
2007-12-16Add missing ffs() declaration for Win32 hosts, by Stefan Weil.balrog
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3821 c046a42c-6fe2-441c-8c8c-71466251a162
2007-11-19Avoid duplicated definitions: move common definitions from exec-all.hj_mayer
and qemu-common.h to osdep.h. Include this header in translate-op.c. Make sure it's included first in darwin-user/qemu.h. To avoid discarded inlining bug, define inline as always_inline and always_inline as (( attribute (always_inline) )) __inline__. git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3698 c046a42c-6fe2-441c-8c8c-71466251a162
2007-06-07Windows build fixes.pbrook
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2959 c046a42c-6fe2-441c-8c8c-71466251a162
2007-03-25qemu_create_pidfile implementation for Win32, based on a patch byths
Carlos O'Donell. git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2540 c046a42c-6fe2-441c-8c8c-71466251a162
2006-08-03removed unused codebellard
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2080 c046a42c-6fe2-441c-8c8c-71466251a162
2006-08-01removed unused codebellard
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2072 c046a42c-6fe2-441c-8c8c-71466251a162
2006-06-25removed warningbellard
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2016 c046a42c-6fe2-441c-8c8c-71466251a162
2005-02-10shared pages memory allocationbellard
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1279 c046a42c-6fe2-441c-8c8c-71466251a162
2004-08-03use the kernel sigaction syscall to avoid relying on glibc onebellard
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1044 c046a42c-6fe2-441c-8c8c-71466251a162
2004-07-14added qemu_strdup()bellard
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1021 c046a42c-6fe2-441c-8c8c-71466251a162
2004-03-14added qemu_mallocz()bellard
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@665 c046a42c-6fe2-441c-8c8c-71466251a162
2004-02-16added OS dependent functions (temporary as most functions are generic in fact)bellard
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@624 c046a42c-6fe2-441c-8c8c-71466251a162
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