pbrook [Wed, 22 Oct 2008 15:55:18 +0000 (15:55 +0000)]
Update old fashioned function prototypes.
Signed-off-by: Stefan Weil <weil@mail.berlios.de>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5511
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pbrook [Wed, 22 Oct 2008 15:11:31 +0000 (15:11 +0000)]
* Use function pointers for symbol lookup (currently for elf32 and elf64,
could be expanded). This also fixes the bug with mips elf64 symbols
in current Qemu trunk.
* Use quicksort and binary search for symbol lookup.
* Remove unneeded entries from symbol table. This reduced a typical table
size (linux mips kernel) from
1764487 to 11656 entries.
Signed-off-by: Stefan Weil <weil@mail.berlios.de>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5510
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aliguori [Tue, 21 Oct 2008 16:34:20 +0000 (16:34 +0000)]
Keep usb host scanning from leaking file descriptors
If the first case does not succeed, then the usb scanning code will leak file
descriptors on every scan.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5509
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aurel32 [Tue, 21 Oct 2008 16:31:31 +0000 (16:31 +0000)]
target-ppc: convert branch related instructions to TCG
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5508
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aliguori [Tue, 21 Oct 2008 16:27:28 +0000 (16:27 +0000)]
Fix broken USB support for Linux host (Bjorn Danielsson)
Make "host:" usb devices work again on systems that have the
file /proc/bus/usb/devices. This was broken in r5441 due to
incorrect logic for the USB_FS_SYS case in usb_host_scan().
Signed-off-by: Bjorn Danielsson <bdq@dax.nu>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5507
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aurel32 [Tue, 21 Oct 2008 11:31:27 +0000 (11:31 +0000)]
target-ppc: convert logical instructions to TCG
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5506
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aurel32 [Tue, 21 Oct 2008 11:31:14 +0000 (11:31 +0000)]
target-ppc: convert crf related instructions to TCG
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5505
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aurel32 [Tue, 21 Oct 2008 11:30:45 +0000 (11:30 +0000)]
TCG: add tcg_const_local_tl()
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5504
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aurel32 [Tue, 21 Oct 2008 11:29:55 +0000 (11:29 +0000)]
target-ppc: use the new TCG logical operations
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5503
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aurel32 [Tue, 21 Oct 2008 11:29:11 +0000 (11:29 +0000)]
target-alpha: use the new TCG logical operations
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5502
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aurel32 [Tue, 21 Oct 2008 11:28:59 +0000 (11:28 +0000)]
TCG: add logical operations found on alpha and powerpc processors
- andc_i32/i64 t0, t1, t2
- eqv_i32/i64 t0, t1, t2
- nand_i32/i64 t0, t1, t2
- nor_i32/i64 t0, t1, t2
- orc_i32/i64 t0, t1, t2
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5501
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aurel32 [Tue, 21 Oct 2008 11:28:46 +0000 (11:28 +0000)]
target-ppc: Convert XER accesses to TCG
Define XER bits as a single register and access them individually to
avoid defining 5 32-bit registers (TCG doesn't permit to map 8-bit
registers).
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5500
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bellard [Fri, 17 Oct 2008 17:31:57 +0000 (17:31 +0000)]
added explicit license
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5499
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bellard [Fri, 17 Oct 2008 17:28:58 +0000 (17:28 +0000)]
allow SLIRP to make an ARP request to get the client MAC address. It is useful if an inbound connection is done to a VM which did not send outbound IP packets
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5498
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aurel32 [Fri, 17 Oct 2008 08:08:56 +0000 (08:08 +0000)]
scsi-generic: correct error management
this patch allows to fully use a tape device connected to qemu through
the scsi-generic interface.
Previous patch introduced tape SCSI commands management, this one
improve error case management:
- the SCSI controller command completion must be called with the status
value, not the sense value. In the case of scsi-generic, the SCSI status
is given by the field status of sg_io_hdr_t (the value is left shifted
by one regarding status codes defined in /usr/include/scsi/scsi.h)
- when a read is aborted due to a mark/EOF/EOD/EOM, the len reported to
controller can be 0. LSI controller emulation doesn't know how to manage
this. A workaround found is to call the completion routine with
SCSI_REASON_DONE just after calling it with SCSI_REASON_DATA with len=0.
This patch also manages correctly the block size of the tape device.
This patch has been tested with a real tape device "HP C5683A", linux
guest (debian etch) and tools like "mt", "tar" and "btape".
Windows guest is not better supported than before...
Signed-off-by: Laurent Vivier <Laurent.Vivier@bull.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5497
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aurel32 [Fri, 17 Oct 2008 08:08:48 +0000 (08:08 +0000)]
i386/SVM: return amount of ASIDs
With SVM the TLB supports tagging to distinguish TLB entries from
different virtual CPUs. This tag is called an ASID. The amount of ASIDs is
given in EBX of the SVM-CPUID-leaf. Currently we return 0, which might
break hypervisors. Let's better return something >0 here, say 0x10.
Since we're flushing the complete TLB on every VM entry and exit we're not
making use of the ASID information anyways.
Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5496
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aurel32 [Wed, 15 Oct 2008 22:25:21 +0000 (22:25 +0000)]
PPC: fix dcbi instruction
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5495
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aurel32 [Wed, 15 Oct 2008 17:00:45 +0000 (17:00 +0000)]
PPC: convert SPE logical instructions to TCG
(Nathan Froyd)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5494
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aurel32 [Wed, 15 Oct 2008 17:00:37 +0000 (17:00 +0000)]
ppc: convert integer load/store to TCG
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5493
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aurel32 [Wed, 15 Oct 2008 17:00:29 +0000 (17:00 +0000)]
target-ppc: fix a TCG local variable creation
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5492
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aurel32 [Wed, 15 Oct 2008 17:00:18 +0000 (17:00 +0000)]
PPC: convert SPE effective address computation to TCG
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5491
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aurel32 [Tue, 14 Oct 2008 19:55:54 +0000 (19:55 +0000)]
PPC: convert effective address computation to TCG
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5490
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aurel32 [Tue, 14 Oct 2008 19:23:35 +0000 (19:23 +0000)]
gdbstub: remove unused local variable
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5489
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aurel32 [Tue, 14 Oct 2008 19:20:52 +0000 (19:20 +0000)]
target-i386: Add Core Duo Definition
This patch adds a CPU definition for the Core Duo CPU. I tried to
resemble the original as closely as possible and document what features
are missing still. This patch enables the use of a recent CPU definition
on 32 bit platforms.
It also fixes two issues that went along the line:
- invalid xlevel in core2duo spec
While looking though the CPUIDs again, I found that xlevel is actually 8.
- non-PSE36 support
The CoreDuo CPUID does not expose the PSE36 capability, but CPUID
0x80000008 is tied to 36 bits. This broke Windows XP installation for
me, so I just set it to 32 bits width when PSE36 is not available. The
original CPU also exposes 32 bit width in CPUID 0x80000008.
Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5488
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aliguori [Tue, 14 Oct 2008 18:14:47 +0000 (18:14 +0000)]
Fix previous commit (spotted by Robert Riebisch).
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5487
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aliguori [Tue, 14 Oct 2008 18:00:38 +0000 (18:00 +0000)]
Define O_DSYNC as O_SYNC if necessary.
O_DSYNC isn't available on OS X.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5486
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aliguori [Tue, 14 Oct 2008 14:42:54 +0000 (14:42 +0000)]
Expand cache= option and use write-through caching by default
This patch changes the cache= option to accept none, writeback, or writethough
to control the host page cache behavior. By default, writethrough caching is
now used which internally is implemented by using O_DSYNC to open the disk
images. When using -snapshot, writeback is used by default since data integrity
it not at all an issue.
cache=none has the same behavior as cache=off previously. The later syntax is
still supported by now deprecated. I also cleaned up the O_DIRECT
implementation to avoid many of the #ifdefs.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5485
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aurel32 [Mon, 13 Oct 2008 21:08:55 +0000 (21:08 +0000)]
linux-user: implement msg* syscalls
Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5484
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aurel32 [Mon, 13 Oct 2008 21:08:44 +0000 (21:08 +0000)]
linux-user: fix and cleanup IPCOP_msg* ipc calls handling
Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5483
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aurel32 [Mon, 13 Oct 2008 21:08:34 +0000 (21:08 +0000)]
open() can also return EPERM for O_RDWR on a readonly device
Signed-off-by: Juergen Lock <nox@jelal.kn-bremen.de>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5482
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aurel32 [Mon, 13 Oct 2008 21:08:25 +0000 (21:08 +0000)]
FreeBSD also has clock_gettime
Signed-off-by: Juergen Lock <nox@jelal.kn-bremen.de>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5481
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aurel32 [Mon, 13 Oct 2008 21:08:17 +0000 (21:08 +0000)]
linux-user: fix getdents* syscalls
glibc's structs dirent and dirent64 is different from in-kernel dirent
and dirent64. Kernel headers doesn't provide structs dirent(64) any
more. So we should add it to qemu headers.
To avoid conflict with glibc it called struct linux_dirent(64).
Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5480
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aurel32 [Mon, 13 Oct 2008 21:08:07 +0000 (21:08 +0000)]
linux-user: Add readahead syscall
Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5479
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aliguori [Mon, 13 Oct 2008 03:14:31 +0000 (03:14 +0000)]
Introduce TCP live migration protocol
This patch introduces a tcp protocol for live migration. It can be used as
follows:
qemu-system-x86_64 -hda ~/images/linux-test.img -monitor stdio
<vm runs for a while>
(qemu) migrate tcp:localhost:1025
On the same system:
qemu-system-x86_64 -hda ~/images/linux-test.img -incoming
tcp:localhost:1025
The monitor can be interacted with while waiting for an incoming live
migration.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5478
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aliguori [Mon, 13 Oct 2008 03:13:12 +0000 (03:13 +0000)]
Introduce ethernet announcement function.
This patch adds an ethernet announce function that will minimize downtime
when doing a live migration. This code originates from KVM.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5477
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aliguori [Mon, 13 Oct 2008 03:12:02 +0000 (03:12 +0000)]
Introduce UI for live migration
This patch introduces a command line parameter and monitor command for starting
a live migration. The next patch will provide an example of how to use these
parameters.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5476
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aliguori [Mon, 13 Oct 2008 03:10:22 +0000 (03:10 +0000)]
Introduce a buffered file wrapper for QEMUFile
This patch introduces a buffered QEMUFile wrapper. This allows QEMUFile's to be
rate limited. It also makes it easier to implement a QEMUFile that is
asynchronous since the current QEMUFile API requires that all reads and writes
be synchronous.
The only real non-obvious part of the API is the "frozen" concept. If the
backend returns EAGAIN, the QEMUFile is said to be "frozen". This means no
additional output will be sent to the backend until the file is unfrozen.
qemu_file_put_notify can be used to unfreeze a frozen file.
A synchronous interface is also provided to wait for an unfreeze event. This is
used during the final part of live migration when the VM is no longer running.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5475
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aliguori [Mon, 13 Oct 2008 03:07:56 +0000 (03:07 +0000)]
Fix some issues with QEMUFile
This patch allows QEMUFile's read and write operations to return
negative error codes. This is necessary to detect things like closed
streams during live migration.
It also removes unused code for QEMUFileFD write path. Finally, it
makes sure to avoid attempting to flush an output buffer if the file
is only being used for input. This was spotted by Uri Lublin.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5474
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aurel32 [Sun, 12 Oct 2008 23:32:59 +0000 (23:32 +0000)]
SH4: Implement MOVUA.L
* target-sh4/translate.c (_decode_opc): Implement
MOVUA.L.
(Vladimir Prus)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5473
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aurel32 [Sun, 12 Oct 2008 23:32:48 +0000 (23:32 +0000)]
SH4: fix single-stepping
* target-sh/translate.c (gen_intermediate_code_internal): If
singlestep is enabled, update PC before stopping.
(Vladimir Prus)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5472
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aurel32 [Sun, 12 Oct 2008 23:32:40 +0000 (23:32 +0000)]
SH4: Fix swap.b
The SH4 manual documents the swap.b instruction as follows:
SWAP.B Rm,Rn
Rm → swap lower 2 bytes → Rn
Current QEMU code, in addition to the above, also clears the high
16 bits. The immediate breakage I saw is that htonl function applied
to netmask of 255.255.255.0 gives 0, which breaks all networking.
(Vladimir Prus)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5471
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aliguori [Sun, 12 Oct 2008 21:19:57 +0000 (21:19 +0000)]
Make sure to initialize fd_sets in aio.c
This was spotted by valgrind.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5470
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aurel32 [Sun, 12 Oct 2008 20:16:03 +0000 (20:16 +0000)]
hw/apic.c: use functions from host-utils.h
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5469
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aurel32 [Sun, 12 Oct 2008 17:54:42 +0000 (17:54 +0000)]
COPYING: update from FSF
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5468
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aurel32 [Sun, 12 Oct 2008 16:15:04 +0000 (16:15 +0000)]
Define macro QEMU_GNUC_PREREQ and use it
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5467
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aurel32 [Sun, 12 Oct 2008 11:44:36 +0000 (11:44 +0000)]
Only use __builtin_* with GCC >= 3.4
Fix gcc 3.3 builds, broken in revision 5465.
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5466
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aurel32 [Sun, 12 Oct 2008 00:53:17 +0000 (00:53 +0000)]
hw/apic.c: use __builtin funtions instead of assembly code
Suggested by malc.
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5465
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aurel32 [Sun, 12 Oct 2008 00:53:08 +0000 (00:53 +0000)]
Optimize some host-utils function with gcc builtins
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5464
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aurel32 [Sun, 12 Oct 2008 00:52:58 +0000 (00:52 +0000)]
Get rid of sys/poll.h
(C.W. Betts)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5463
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edgar_igl [Sat, 11 Oct 2008 19:36:17 +0000 (19:36 +0000)]
CRIS: Initialize the arch version preg to v32.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5462
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edgar_igl [Sat, 11 Oct 2008 19:32:21 +0000 (19:32 +0000)]
CRIS: Handle GDB writes to pregs.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5461
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pbrook [Sat, 11 Oct 2008 18:23:22 +0000 (18:23 +0000)]
Add feature_to_c.sh.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5460
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pbrook [Sat, 11 Oct 2008 17:55:29 +0000 (17:55 +0000)]
Add GDB XML register description support.
Signed-off-by: Paul Brook <paul@codesourcery.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5459
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malc [Sat, 11 Oct 2008 17:37:25 +0000 (17:37 +0000)]
Fix some debugging mistakes/leftovers
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5458
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balrog [Sat, 11 Oct 2008 12:00:42 +0000 (12:00 +0000)]
Use the adequate CFLAGS for confiugure tests.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5457
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balrog [Sat, 11 Oct 2008 09:56:04 +0000 (09:56 +0000)]
Add a configure check for zlib (Ryota OZAKI).
This patch makes configure check zlib devel files installed.
Current configure doesn't check that, so make will fail if they
are not installed.
Signed-off-by: Ryota Ozaki <ozaki.ryota@gmail.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5456
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blueswir1 [Sat, 11 Oct 2008 09:33:03 +0000 (09:33 +0000)]
Correct SCSI error reporting (Laurent Vivier)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5455
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balrog [Sat, 11 Oct 2008 09:19:57 +0000 (09:19 +0000)]
Increase write buffer size in pflash emulation (Thomas Petazzoni).
The current flash emulation code advertises a write buffer size of 16
bytes (1 << 4, according to offset 0x2A of the CFI table). This is
very small compared to normal write buffer sizes, and makes the
process of writing to the flash very slow (at least from U-Boot).
This patch increases this size to 2048 bytes. Except the modification
of the CFI table, the only other required modification is to use
"value" instead of "cmd" to set pfl->counter, because cmd is truncated
to the 8 lower bits of value, while the number of bytes for a write
can now be greater than 255 bytes.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5454
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blueswir1 [Thu, 9 Oct 2008 18:52:04 +0000 (18:52 +0000)]
Update (thanks to Edgar, Thiemo, malc, Paul, Laurent and Andrzej)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5453
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aliguori [Thu, 9 Oct 2008 14:19:34 +0000 (14:19 +0000)]
Fix IDE DIAGNOSE for packet devices (Vincent Sanders)
The DIAGNOSE command in the qemu IDE implementation has an error when
use dfor packet devices.
The status register value is dependant on the drive being a packet
device or not, this patch corrects the returned status.
From the ATA/PI specification (V6 draft):
"If the device implements the PACKET command feature set, the device
SHALL clear bits 6,5,4,3,2 and 0 in the Status register to zero."
A selection of physical devices have been checked and do conform to
the specifications behaviour.
Signed-off-by: Vincent Sanders <vince@simtec.co.uk>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5452
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aliguori [Wed, 8 Oct 2008 19:50:24 +0000 (19:50 +0000)]
Fix IO performance regression in sparc
Replace signalfd with signal handler/pipe. There is no way to interrupt
the CPU execution loop when a file descriptor becomes readable. This
results in a large performance regression in sparc emulation during
bootup.
This patch switches us to signal handler/pipe which was originally
suggested by Ian Jackson. The signal handler lets us interrupt the
CPU emulation loop while the write to a pipe lets us avoid the
select/signal race condition.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5451
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edgar_igl [Wed, 8 Oct 2008 14:39:08 +0000 (14:39 +0000)]
CRIS: linux-user signals dont need ERP compensation after break anymore.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5450
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edgar_igl [Wed, 8 Oct 2008 14:26:58 +0000 (14:26 +0000)]
CRIS: linux-user ERP compensation not needed anymore.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5449
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edgar_igl [Wed, 8 Oct 2008 14:22:17 +0000 (14:22 +0000)]
CRIS: Partial EXS reg support and fixes for SPC.
* Add partial support for the EXS (exception status) register.
* Update SPC after each singlestep exception.
* Remove special treatment of break 8.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5448
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edgar_igl [Wed, 8 Oct 2008 08:28:16 +0000 (08:28 +0000)]
CRIS: Correct typos.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5447
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edgar_igl [Tue, 7 Oct 2008 22:54:52 +0000 (22:54 +0000)]
CRIS: Make local objects static.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5446
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edgar_igl [Tue, 7 Oct 2008 22:48:41 +0000 (22:48 +0000)]
CRIS: Fix brk 8 and add S-flag emulation.
* break 8 sets ERP to the current insn.
* First shot at S flag single-stepping.
* Make it easier to use the local disasm.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5445
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aliguori [Tue, 7 Oct 2008 21:22:41 +0000 (21:22 +0000)]
add help text for --enable-sparse (Gerd Hoffman)
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@5444
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aliguori [Tue, 7 Oct 2008 20:39:39 +0000 (20:39 +0000)]
machine struct - specify max_cpus at the per machine level (Jes Sorensen)
Introduce a max_cpus per-machine variable, allowing individual boards
to limit it's number of CPUs. Check requested number of CPUs in setup
code and exit if it exceeds the supported number for the machine.
This also renders the static MAX_CPUS check obsolete, so remove this
from vl.c.
Signed-off-by: Jes Sorensen <jes@sgi.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5443
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aliguori [Tue, 7 Oct 2008 20:34:35 +0000 (20:34 +0000)]
machine struct - use C99 initializers (Jes Sorensen)
Modify all the machine struct declarations to use C99 initializers.
This patch has no functional changes.
Signed-off-by: Jes Sorensen <jes@sgi.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5442
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aliguori [Tue, 7 Oct 2008 20:06:37 +0000 (20:06 +0000)]
Add USB sys file-system support (v8) (TJ)
This patch adds support for host USB devices discovered via:
/sys/bus/usb/devices/* and opened from /dev/bus/usb/*/*
/dev/bus/usb/devices and opened from /dev/bus/usb/*/*
in addition to the existing discovery via:
/proc/bus/usb/devices and opened from /proc/bus/usb/*/*
Signed-off-by: TJ <linux@tjworld.net>
Signed-off-by: Anthony Liguori <aliguori>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5441
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aliguori [Tue, 7 Oct 2008 19:16:17 +0000 (19:16 +0000)]
Add sparse checker support to the build system (Gerd Hoffman)
This adds support for running the sparse checker during the build
process. Left it off by default for now, build becomes very noisy with
sparse checking turned on as it has to complain alot (partly even in the
system headers!). The qemu code base needs quite some cleanups before
we should consider turning it on by default.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5440
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blueswir1 [Tue, 7 Oct 2008 19:12:13 +0000 (19:12 +0000)]
Add static (spotted by sparse)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5439
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blueswir1 [Tue, 7 Oct 2008 18:54:35 +0000 (18:54 +0000)]
Fix error in fexpand (spotted by sparse)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5438
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aliguori [Mon, 6 Oct 2008 20:21:51 +0000 (20:21 +0000)]
Switch the memory savevm handler to be "live"
This patch replaces the static memory savevm/loadvm handler with a "live" one.
This handler is used even if performing a non-live migration.
The key difference between this handler and the previous is that each page is
prefixed with the address of the page. The QEMUFile rate limiting code, in
combination with the live migration dirty tracking bits, is used to determine
which pages should be sent and how many should be sent.
The live save code "converges" when the number of dirty pages reaches a fixed
amount. Currently, this is 10 pages. This is something that should eventually
be derived from whatever the bandwidth limitation is.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5437
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blueswir1 [Mon, 6 Oct 2008 18:46:28 +0000 (18:46 +0000)]
Show size for unassigned accesses (Robert Reif)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5436
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blueswir1 [Mon, 6 Oct 2008 18:08:30 +0000 (18:08 +0000)]
Prepare for changing audio_pcm_ops dynamically (partially revert r5422)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5435
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aliguori [Mon, 6 Oct 2008 14:53:52 +0000 (14:53 +0000)]
Introduce v3 of savevm protocol
The current savevm/loadvm protocol has some draw backs. It does not support
the ability to do progressive saving which means it cannot be used for live
checkpointing or migration. The sections sizes are 32-bit integers which
means that it will not function when using more than 4GB of memory for a guest.
It attempts to seek within the output file which means it cannot be streamed.
The current protocol also is pretty lax about how it supports forward
compatibility. If a saved section version is greater than what the restore
code support, the restore code generally treats the saved data as being in
whatever version it supports. This means that restoring a saved VM on an older
version of QEMU will likely result in silent guest failure.
This patch introduces a new version of the savevm protocol. It has the
following features:
* Support for progressive save of sections (for live checkpoint/migration)
* An asynchronous API for doing save
* Support for interleaving multiple progressive save sections
(for future support of memory hot-add/storage migration)
* Fully streaming format
* Strong section version checking
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5434
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aliguori [Mon, 6 Oct 2008 14:02:03 +0000 (14:02 +0000)]
Add dirty tracking for live migration
This patch adds a dirty tracking bit for live migration. We use 0x08 because
kqemu uses 0x04.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5433
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aliguori [Mon, 6 Oct 2008 13:55:43 +0000 (13:55 +0000)]
Add bdrv_flush_all()
This patch adds a bdrv_flush_all() function. It's necessary to ensure that all
IO operations have been flushed to disk before completely a live migration.
N.B. we don't actually use this now. We really should flush the block drivers
using an live savevm callback to avoid unnecessary guest down time.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5432
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aliguori [Mon, 6 Oct 2008 13:52:44 +0000 (13:52 +0000)]
Allow the monitor to be suspended during non-blocking op
Live migration happens in the background, but it is useful to make the monitor
command appear as if it's blocking. This allows a management tool to
immediately know when the live migration has completed without having to poll
the migration status.
This patch allows the monitor to be suspended from a monitor callback which
will prevent new monitor commands from being executed.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5431
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blueswir1 [Sun, 5 Oct 2008 11:47:55 +0000 (11:47 +0000)]
Silence some warnings about no value returned from non-void function
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5430
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blueswir1 [Sun, 5 Oct 2008 11:45:25 +0000 (11:45 +0000)]
Make various generated structures static
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5429
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blueswir1 [Sun, 5 Oct 2008 11:09:37 +0000 (11:09 +0000)]
Make target_sigaltstack_used static
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5428
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blueswir1 [Sun, 5 Oct 2008 11:05:14 +0000 (11:05 +0000)]
Export x86_stack_size in qemu.h
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5427
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blueswir1 [Sun, 5 Oct 2008 10:52:52 +0000 (10:52 +0000)]
Make ioctl table static
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5426
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blueswir1 [Sun, 5 Oct 2008 10:51:10 +0000 (10:51 +0000)]
Make bitmask tables static const
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5425
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blueswir1 [Sun, 5 Oct 2008 10:49:32 +0000 (10:49 +0000)]
Make struct_termios_def const
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5424
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blueswir1 [Sun, 5 Oct 2008 10:30:43 +0000 (10:30 +0000)]
Move wav_start_capture prototype to avoid a warning with -Wmissing-prototypes
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5423
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blueswir1 [Sun, 5 Oct 2008 10:01:05 +0000 (10:01 +0000)]
Make audio_pcm_opsstatic const
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5422
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blueswir1 [Sun, 5 Oct 2008 09:59:14 +0000 (09:59 +0000)]
Add some missing static and const qualifiers, reg_names only used if NDEBUG set
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5421
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blueswir1 [Sun, 5 Oct 2008 09:57:08 +0000 (09:57 +0000)]
Variable logfilename is not used outside exec.c
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5420
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blueswir1 [Sun, 5 Oct 2008 09:56:21 +0000 (09:56 +0000)]
Variable autostart is not used outside main()
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5419
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blueswir1 [Sat, 4 Oct 2008 20:43:39 +0000 (20:43 +0000)]
Update Sparc docs, add -cpu flag
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5418
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balrog [Sat, 4 Oct 2008 11:33:52 +0000 (11:33 +0000)]
Fix crc32w decoding, fix a constant width in blendvpd.
Forced the constant's width to long long so that it doesn't overflow,
problem spotted by C. W. Betts.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5417
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blueswir1 [Sat, 4 Oct 2008 07:25:46 +0000 (07:25 +0000)]
Make network packet debug functions more accessible
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5416
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blueswir1 [Sat, 4 Oct 2008 07:24:27 +0000 (07:24 +0000)]
Add some missing static qualifiers
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5415
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blueswir1 [Sat, 4 Oct 2008 07:22:29 +0000 (07:22 +0000)]
Move nographic export to sysemu.h
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5414
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blueswir1 [Sat, 4 Oct 2008 07:20:07 +0000 (07:20 +0000)]
Use qemu-log.h
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5413
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balrog [Sat, 4 Oct 2008 03:32:00 +0000 (03:32 +0000)]
x86 "popcnt" affects flags.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5412
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