Christoph Egger [Fri, 17 Jul 2009 17:48:01 +0000 (17:48 +0000)]
fix build warnings
Hi!
Attached patch fixes build warnings due to use of different pointer
signedness.
Signed-off-by: Christoph Egger <[email protected]>
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Paul Brook [Fri, 17 Jul 2009 11:48:08 +0000 (12:48 +0100)]
Userspace guest address offsetting
Re-implement GUEST_BASE support.
Offset guest ddress space by default if the guest binary contains
regions below the host mmap_min_addr.
Implement support for i386, x86-64 and arm hosts.
Blue Swirl [Fri, 17 Jul 2009 11:01:45 +0000 (11:01 +0000)]
Fix OpenBSD build
The header sys-queue.h must be #included early, otherwise at some point OS
queue macros will be used. On OpenBSD, those don't define TAILQ_FOREACH_SAFE.
#define snd_pcm_sw_params_alloca(ptr) do { assert(ptr); *ptr = (snd_pcm_sw_params_t *) alloca(snd_pcm_sw_params_sizeof()); memset(*ptr, 0, snd_pcm_sw_params_sizeof()); } while (0)
The assert generates: "error: the address of 'sw_params' will always
evaluate as 'true'" which combined with -Werror prevents alsaaudio.o
from being built with certain versions of GCC.
fix for bad macaddr of e1000 in Windows 2003 server with original MS driver
The sequence of reading from eeprom is "offset by one" moved because of a false
detection of a clock cycle after an eeprom reset. Keeping the last clock value
after a reset keeps it in sync.
Add id field to DeviceState. Make "info qtree" print it.
This helps users and management apps identifying devices in monitor
output, which is especially useful with otherwise identical devices
such as two virtio disks.
This patch doesn't add a way to set the id, followup patches will do.
no_user: prevent users from adding certain devices.
desc: description of the device.
alias: to allow user friendly shortcuts on the command line, i.e.
-device usbmouse instead of -device "QEMU USB Mouse" or
-device lsi instead of -device lsi53c895a
This add support for switching devices into a compatibility mode
using device properties. Machine types can have a list of properties
for specific devices attached to allow the easy creation of machine
types compatible to older qemu versions.
This patch is a major overhaul of the device properties. The properties
are saved directly in the device state struct now, the linked list of
property values is gone.
Advantages:
* We don't have to maintain the list with the property values.
* The value in the property list and the value actually used by
the device can't go out of sync any more (used to happen for
the pci.devfn == -1 case) because there is only one place where
the value is stored.
* A record describing the property is required now, you can't set
random properties any more.
There are bus-specific and device-specific properties. The former
should be used for properties common to all bus drivers. Typical
use case is bus addressing, i.e. pci.devfn and i2c.address.
Properties have a PropertyInfo struct attached with name, size and
function pointers to parse and print properties. A few common property
types have PropertyInfos defined in qdev-properties.c. Drivers are free
to implement their own very special property parsers if needed.
Properties can have default values. If unset they are zero-filled.
Glauber Costa [Tue, 14 Jul 2009 22:26:51 +0000 (18:26 -0400)]
fix segfault in setting migration speed
Hi,
Whoever wrote this migrate_set_speed function is totally stupid.
Any failed or completed migration keeps its state to allow probing of
migration data, but has no associated file anymore. It is, thus,
possible to crash qemu by calling migrate_set_speed after a migration
is finished (or failed, or cancelled), but before another one starts.
Stuart Brady [Sun, 12 Jul 2009 19:09:40 +0000 (20:09 +0100)]
Remove dead i386 assembly code from softmmu_header.h
This patch removes dead i386 assembly code from softmmu_header.h.
The code is conditional on ASM_SOFTMMU, which is never defined.
Optimisation for the fast path is already handled by tcg_out_qemu_ld()
and tcg_out_qemu_st(), so there seems to be little need for this code.
qemu-io: use BDRV_O_FILE to implement the growable open option
Instead of doing our own check for protocols which fails because raw isn't
formally a protocol but special cased in find_protocol specify the BDRV_O_FILE
option to use the same code as bdrv_file_open does.
While we're at it also add the missing documentation for -g to the main
qemu-io help string.
Igor Kovalenko [Sat, 11 Jul 2009 22:15:40 +0000 (02:15 +0400)]
tlb flush cleanup
Use static empty variable s_cputlb_empty_entry to clear entries,
also reset addend member when clearing entries.
This helps running with valgrind/memcheck
The load_vmstate and save_vmstate functions are implemented as a
variation of the normal read/write operation, enabled by the -b option.
This is the same mechanism as is used to switch from read/write to
pread/pwrite.
ioport: use uint{32, 16, 8}_t for ioport value and pio_addr_t for ioport address.
Using int for cpu_{in, out}[bwl] is inconsistent with other part
because for address or value, uintN_t is used by other qemu part.
At least, softmmu, CPU{Read, Write}MemoryFunc, pci, target_phys_addr_t
and the callers of cpu_{in, out}[bwl]().
This patch removes the inconsistency.
IO port has its own address space so define pio_addr_t as uint32_t
because PCI io space width is 32bit.
And use uint{32, 16, 8}_t for ioport value.
Changing signedness of value might cause subtle issue. However
only a suspicious caller is kvm_handle_io() which is ok. And other callers
pass unsigned value in the first place.
Andre Przywara [Thu, 16 Jul 2009 12:49:31 +0000 (14:49 +0200)]
omit 3DNOW! CPUID bits from qemu64 CPU model
Since we recently do not disable 3DNOW! support anymore, we should
avoid setting the bits in the default qemu64 CPU model to ease
migration. TCG does not support it anyway and even AMD deprecates
it's usage nowadays.
If you want to use it in KVM, use the phenom, athlon or host CPU
model.
Paolo Bonzini [Tue, 14 Jul 2009 16:07:50 +0000 (18:07 +0200)]
honor -S on incoming migration
-S is not honored by qemu on incoming migration. If a domain is migrated
while paused, thus, it will start running on the remote machine; this
is wrong.
Given the trivial patch to fix this, it looks more like a thinko
than anything else, probably dating back to the qemu-kvm merge.
The interesting part is that the -S mechanism was in fact *used* when
migrating (setting autostart = 0) and the incoming migration code was
starting the VM at the end of the migration.
Since I was removing the vm_start from there, I also corrected a related
imprecision. The code was doing a vm_stop "just in case", but we can
be sure that the VM is not running---the vm_start call in vl.c has not
been reached yet. So the vm_stop is removed together with the vm_start.
replace bdrv_{get, put}_buffer with bdrv_{load, save}_vmstate
The VM state offset is a concept internal to the image format. Replace
the old bdrv_{get,put}_buffer method that require an index into the
image file that is constructed from the VM state offset and an offset
into the vmstate with the bdrv_{load,save}_vmstate that just take an
offset into the VM state.
Anthony Liguori [Fri, 10 Jul 2009 19:52:56 +0000 (14:52 -0500)]
bios: Fix multiple calls into smbios_load_ex
We're marking the used entry bitmap in smbios_load_external() for each
type we check, regardless of whether we loaded anything. This makes
subsequent calls behave as if we've already loaded the tables from qemu
and can result in missing tables (ex. multiple type4 entries on an SMP
guest). Only mark the bitmap if we actually load something.
Jan Kiszka [Sat, 27 Jun 2009 07:53:51 +0000 (09:53 +0200)]
gdbstub: x86: Support for setting segment registers
This allows to set segment registers via gdb also in system emulation
mode. Basic sanity checks are applied and nothing is changed if they
fail. But screwing up the target via this interface will never be
complicated, so I avoided being too paranoid here.
Jan Kiszka [Sat, 27 Jun 2009 07:53:51 +0000 (09:53 +0200)]
gdbstub: Add vCont support
This patch adds support for the vCont remote gdb command. It is used by
gdb 6.8 or better to switch the debugging focus for single-stepping
multi-threaded targets, ie. multi-threaded application in user mode
emulation or VCPUs in system emulation.
Jan Kiszka [Wed, 1 Jul 2009 22:19:02 +0000 (00:19 +0200)]
Add boot-once support
This allows to specify an exceptional boot order only for the first
startup of the guest. After reboot, qemu will switch back to the default
order (or what was specified via 'order='). Makes installing from CD
images and then booting the freshly set up harddisk more handy.
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