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2008-11-12Rename misnamed BACK_CHAIN_OFFSET to LR_OFFSETmalc
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5711 c046a42c-6fe2-441c-8c8c-71466251a162
2008-11-12Avoid compiler warningmalc
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5710 c046a42c-6fe2-441c-8c8c-71466251a162
2008-11-12Don't use "hz" in identifiers to make AIX happy.balrog
malc found AIX headers leak "hz" and so it can't be used there. Change the occurences in hw/. git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5709 c046a42c-6fe2-441c-8c8c-71466251a162
2008-11-12Include <strings.h> for ffs().balrog
ffs() is in <strings.h> although bsd compatible systems have it in <string.h> already. ffs() is used in omap1.c, omap2.c, omap_i2c.c, bt-sdp.c. These uses can be replaced with clz32() but ffs is more available. Problem was spotted by malc. Make host-utils.h formatting more consistent. git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5708 c046a42c-6fe2-441c-8c8c-71466251a162
2008-11-12r5531 made x509 certs not loadable (original patch from Henrik Holst).balrog
The patch in r5531 which replaced a bunch of strncpy with pstrcpy causes the x509 credentials from the -vnc parameter to be one character shorter than entered meaning that there is currently no way to enter x509 certificates... git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5707 c046a42c-6fe2-441c-8c8c-71466251a162
2008-11-12Implement LSI53C895A quirks exposed by OpenServer (Justin Chevrier).balrog
After going through the debug log and scratching my head for quite some time. I found the following: The problem was with this block move: lsi_scsi: SCRIPTS dsp=0fae8e50 opcode 01000028 arg 00f63c40 lsi_scsi: DMA addr=0x00f63c40 len=36 The number of bytes to be transferred (len) should be 40 which corresponds to the block transfer of length 0x28 (from opcode 01000028). Instead we have a length of 36 (0x24). The code responsible for this is (in 'lsi_do_dma'): if (count > s->current_dma_len) count = s->current_dma_len; Basically we're overwriting the length 40 with the value 36 which I think we just left over in that variable from an earlier transfer. In my patch below I initialize s->current_dma_len to s->dbc before we begin the DMA transfer during Data In phase. The attached patch gets Openserver 5.0.5 past the hardware detection (and it lists the hard drive to boot, woohoo). It appears to stop a little while later (doesn't seem SCSI related), but it's been so long since I've booted Openserver I'm not sure what's supposted to happen after the HW detection using the boot/root disks. Props go to Craig Ringer for the initial post and the code that he posted some of which is in this patch. git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5706 c046a42c-6fe2-441c-8c8c-71466251a162
2008-11-12fix some variable initizalization issues (Stefano Stabellini)aliguori
this patch fixes two variable initialization issues. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5705 c046a42c-6fe2-441c-8c8c-71466251a162
2008-11-12target-alpha: fix termbits and target IOC macrosaurel32
This patch fixes the two following problems for Alpha linux-user: - termbits.h is incorrectly using host IOC macros and structures - IOC bitfields sizes are incorrectly set This patch corrects the ioctl TCGETS done by isatty function call on Alpha (when running SPEC crafty for instance). Signed-off-by: Laurent Desnogues <laurent.desnogues@gmail.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5704 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
2008-11-11Allocate guest memory on host page boundaries (Hollis Blanchard)aliguori
Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5702 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
2008-11-11Split savevm code into savevm.caliguori
This is pure code motion. The savevm code is all common code so we can build it once and share the object with all executables. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5700 c046a42c-6fe2-441c-8c8c-71466251a162
2008-11-11Move the things that aren't target specific to libqemu_common.a.aliguori
This will improve the build time. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5699 c046a42c-6fe2-441c-8c8c-71466251a162
2008-11-11windows cdrom cache flush (Stefano Stabellini)aliguori
Windows only flushes its cache of a CDROM if it gets a SENSE_UNIT_ATTENTION CHECK_CONDITION response to a REQUEST_SENSE command. Make sure it does so after we change the CD. Tab damage fixed by Anthony Liguori Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Signed-off-by: Steven Smith <steven.smith@citrix.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5698 c046a42c-6fe2-441c-8c8c-71466251a162
2008-11-11sockets: switch over tcp/telnet/unix serial line to new helper functions ↵aliguori
(Gerd Hoffman) This switches the tcp, telnet and unix socket support for character devices (serial/parallel, ...) to the new socket helpers. Thereby they gain IPv6 support and also get ability to search for a free tcp port. Syntax is the same as for vnc, using a to= option, like this: -serial tcp:localhost:5000,to=5099,server This will check the 5000 -> 5099 port range (inclusive) for a free tcp port. Likewise you can get auto-allocated unix sockets by specifying an empty path: -serial unix:,server qemu will create a randomly named socket in $TMPDIR then. tcp also got new "ipv4" and "ipv6" options to make qemu try only the specified internet protocol version. You can use the "info chardev" command added by the first patch in this series to figure the tcp port / unix socket actually allocated. 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@5697 c046a42c-6fe2-441c-8c8c-71466251a162
2008-11-11sockets: switch vnc to new code, support vnc port auto-allocation (Gerd Hoffman)aliguori
This patch switches the vnc code ofer to the new socket helper functions. It adds support IPv6 support and for automatically allocating an unused vnc display port. The latter is handled ising a to= option, specifying the upper limit for the display number to try. Scanning is started at the display number given in the display specification, i.e. this command line: -vnc localhost:7,to=11 will try displays 7 to 11 (inclusive). There are also new "ipv4" and "ipv6" options to make qemu try only the specified internet protocol version. The display actually allocated can be queried using the "info vnc" monitor command. 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@5696 c046a42c-6fe2-441c-8c8c-71466251a162
2008-11-11sockets: helper functions for qemu (Gerd Hoffman)aliguori
This patch creates a new source file qemu-sockets.c with a bunch of helper functions to create listening and connected sockets. New features of this code are (a) support for searching for a free port in a given range and (b) support for IPv6. The following patches put that code into use. Compile fixes for Windows added by Anthony Liguori 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@5695 c046a42c-6fe2-441c-8c8c-71466251a162
2008-11-11Reintroduce migrate-to-exec: support (Charles Duffy)aliguori
KVM's live migration support included support for exec: URLs, allowing system state to be written or received via an arbitrary popen()ed subprocess. This provides a convenient way to pipe state through a compression algorithm or an arbitrary network transport on its way to its destination, and a convenient way to write state to disk; libvirt's qemu driver currently uses migration to exec: targets for this latter purpose. This version of the patch refactors now-common code from migrate-tcp.c into migrate.c. Signed-off-by: Charles Duffy <Charles_Duffy@messageone.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5694 c046a42c-6fe2-441c-8c8c-71466251a162
2008-11-11target-alpha: fix decoding of CVTST /Saurel32
This patch fixes the decoding of CVTST /S which was incorrectly being decoded as CVTTS. This fixes SPEC2000 gcc with 200.i input. Signed-off-by: Laurent Desnogues <laurent.desnogues@gmail.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5693 c046a42c-6fe2-441c-8c8c-71466251a162
2008-11-11target-alpha: fix syscall error checkaurel32
(re-add commit 5689) Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5692 c046a42c-6fe2-441c-8c8c-71466251a162
2008-11-11Revert commits 5685 to 5688 committed by mistakeaurel32
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5691 c046a42c-6fe2-441c-8c8c-71466251a162
2008-11-11target-alpha: disable single stepping and TB flush by defaultaurel32
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5690 c046a42c-6fe2-441c-8c8c-71466251a162
2008-11-11target-alpha: fix syscall error checkaurel32
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5689 c046a42c-6fe2-441c-8c8c-71466251a162
2008-11-11qemu: generate signals on tap I/Oaurel32
Currently tap does not generate signals on I/O; this causes network latency to be dependent on the timer tick (1ms without dyntick, guest dependent with dyntick). By generating a signal on I/O, we can inform the guest immediately that a packet has arrived. Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5688 c046a42c-6fe2-441c-8c8c-71466251a162
2008-11-11Use HOST_CC instead of CC on TCG only targetsaurel32
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5687 c046a42c-6fe2-441c-8c8c-71466251a162
2008-11-11Don't stop translation for mtc0 compareaurel32
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5686 c046a42c-6fe2-441c-8c8c-71466251a162
2008-11-11Disable debug code for production.aurel32
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5685 c046a42c-6fe2-441c-8c8c-71466251a162
2008-11-11target-mips: gen_compute_branch1()aurel32
Optimize code generation in gen_compute_branch1(): - Directly use I32 variables instead of converting values from _tl to _i32 and back to _tl. - Write the result directly to bcond instead of passing by a local variable. - Temp variables are valid up to and *including* the brcond instruction. Use them instead of temp local variables. Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5684 c046a42c-6fe2-441c-8c8c-71466251a162
2008-11-11target-mips: optimize movc*()aurel32
Optimize code generation in gen_movc*(): - Temp variables are valid up to and *including* the brcond instruction. Use them instead of temp local variables. - Avoid using temporary variables to transfer values. - Access fpu_fcr31 directly in gen_movcf_ps(). Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5683 c046a42c-6fe2-441c-8c8c-71466251a162
2008-11-11target-mips: optimize gen_farith()aurel32
Optimize code generation in gen_farith(): - Temp variables are valid up to and *including* the brcond instruction. Use them instead of temp local variables. Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5682 c046a42c-6fe2-441c-8c8c-71466251a162
2008-11-11target-mips: optimize gen_muldiv()aurel32
Optimize code generation in gen_muldiv(): - Don't do sign extension when the value is already guaranteed to be sign extended (otherwise, results are marked as UNPREDICTABLE). - Access the LO, HI registers directly instead of writting them through a temporary variable. Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5681 c046a42c-6fe2-441c-8c8c-71466251a162
2008-11-11target-mips: optimize gen_arith()/gen_arith_imm()aurel32
Optimize code generation in gen_arith()/gen_arith_imm(): - Don't do sign extension when the value is already guaranteed to be sign extended (otherwise, results are marked as UNPREDICTABLE). - When the value is sign extended, compare the value to 0 instead of testing bit 31/63. - Temp variables are valid up to and *including* the brcond instruction. Use them instead of temp local variables. Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5680 c046a42c-6fe2-441c-8c8c-71466251a162
2008-11-11target-mips: convert bit shuffle ops to TCGaurel32
Bit shuffle operations can be written with very few TCG instructions (between 5 and 8), so it is worth converting them to TCG. This code also move all bit shuffle generation code to a separate function in order to have a cleaner exception code path, that is it doesn't store back the TCG register to the target register after the exception, as the TCG register doesn't exist anymore. Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5679 c046a42c-6fe2-441c-8c8c-71466251a162
2008-11-11target-mips: convert bitfield ops to TCGaurel32
Bitfield operations can be written with very few TCG instructions (between 2 and 5), so it is worth converting them to TCG. Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5678 c046a42c-6fe2-441c-8c8c-71466251a162
2008-11-11target-mips: optimize gen_op_addr_add() (2/2)aurel32
Instead of dynamically generating different code depending on the UX flag, add a new flag in ctx->flags to generate different code. Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5677 c046a42c-6fe2-441c-8c8c-71466251a162
2008-11-11target-mips: optimize gen_op_addr_add() (1/2)aurel32
The user mode can be tested at translation time using ctx->hflags. This simplifies gen_op_addr_add(). Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5676 c046a42c-6fe2-441c-8c8c-71466251a162
2008-11-11target-mips: optimize gen_save_pc()aurel32
We obviously don't need to use a temporary variable to write PC. Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5675 c046a42c-6fe2-441c-8c8c-71466251a162
2008-11-11target-mips: fix mft* helpers/callaurel32
This patch attempts to fix mft* helpers and the associated TCG calls. mft* helpers do not take a register in argument, however: - some helpers are called with an argument while they do not take one. - some helpers are declared with an argument they don't use. Acked-by: Thiemo Seufer <ths@networkno.de> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5674 c046a42c-6fe2-441c-8c8c-71466251a162
2008-11-11target-mips: fix temporary variable freeing in op_ldst_##insn()aurel32
Move tcg_temp_free() out of the conditional part to make sure the TCG temporary variable is freed in all cases. Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> Acked-by: Thiemo Seufer <ths@networkno.de> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5673 c046a42c-6fe2-441c-8c8c-71466251a162
2008-11-11target-alpha: add proper fcntl definitionsaurel32
On Alpha the target to native fcntl definitions were missing. Because of this, programs trying to open files with the O_CREAT option were getting O_APPEND instead, etc. This was keeping gcc from the spec benchmarks from running, among other things. (Vince Weaver) git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5672 c046a42c-6fe2-441c-8c8c-71466251a162
2008-11-11target-alpha: fix double TCG variable allocationaurel32
Noticed by Chris Krumme. Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5671 c046a42c-6fe2-441c-8c8c-71466251a162
2008-11-11Fix alignment problem with some 64bit load/store instructionsmalc
LD/STD/LWA require displacement to be multiple of 4, provide tcg_out_ldsta which checks the supplied displacement and falls back on indexed variant when the check fails. All uses of LD/STD/LWA outside of tcg_out_ldst appear to be safe. git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5670 c046a42c-6fe2-441c-8c8c-71466251a162
2008-11-10KVM: simplify kvm_cpu_exec hookaliguori
We don't need to use cpu_loop_exit() because we never use the condition codes so everything can be folded into a single case. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5669 c046a42c-6fe2-441c-8c8c-71466251a162
2008-11-10target-ppc: convert most SPE integer instructions to TCGaurel32
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5668 c046a42c-6fe2-441c-8c8c-71466251a162
2008-11-10target-alpha: fix cmpbge instructionaurel32
The cmpbge instruction should compare all 8 bytes of one 64-bit value with another. However, we were looping with a < 7 condition which was skipping the top byte. So if we were doing a compare where the top byte was important, we could get the wrong result (this notably breaks the strlen() function with certain sized strings). (Vince Weaver) git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5667 c046a42c-6fe2-441c-8c8c-71466251a162
2008-11-10use target_mmap() to allocate idt, gdt and ldt (Kirill A. Shutemov).balrog
env->*dt.base should fit target address space, so we should use target_mmap to allocate them. Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5666 c046a42c-6fe2-441c-8c8c-71466251a162
2008-11-10Currently trying to turn an oversized directory into a VVFAT image willbalrog
result in a cryptic error (and an abort): qemu: block-vvfat.c:97: array_get: Assertion `index < array->next' failed. Aborted Turn this into an actually useful error message: Directory does not fit in FAT16 (capacity 504MB) qemu: could not open disk image fat:$DIR/ git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5665 c046a42c-6fe2-441c-8c8c-71466251a162
2008-11-10x86 CPUID extended family/model (Andre Przywara).balrog
x86 CPUs feature extended family/model bits in CPUID leaf 0000_0001|EAX. Refer to page 10 in: http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/25481.pdf Those bits are necessary to model newer AMD CPUs: -cpu qemu64,family=15,model=65,stepping=3 or -cpu qemu64,family=16,model=4,stepping=2 Signed-off-by: Andre Przywara <andre.przywara@amd.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5664 c046a42c-6fe2-441c-8c8c-71466251a162
2008-11-09Use TCG not opblueswir1
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5663 c046a42c-6fe2-441c-8c8c-71466251a162
2008-11-09Use andc, orc, nor and nandblueswir1
Also fix which argument gets negated in fandnot[12] and fornot[12] git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5662 c046a42c-6fe2-441c-8c8c-71466251a162
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