aliguori [Sat, 13 Dec 2008 20:41:58 +0000 (20:41 +0000)]
Correctly initialize msr list in KVM
I believe this was spotted by Gerd Hoffman but I can't find his patch
now. This will cause very subtle corruption on the heap because we
don't allocate the appropriately sized buffer.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6017
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aurel32 [Sat, 13 Dec 2008 19:27:22 +0000 (19:27 +0000)]
target-sh4: make the initial value of SR easier to read
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6016
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aurel32 [Sat, 13 Dec 2008 19:27:14 +0000 (19:27 +0000)]
target-sh4: don't disable FPU instructions in user mode
Based on a patch from Lionel Landwerlin.
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6015
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aurel32 [Sat, 13 Dec 2008 18:57:46 +0000 (18:57 +0000)]
target-sh4: disable debug code
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6014
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aurel32 [Sat, 13 Dec 2008 18:57:37 +0000 (18:57 +0000)]
target-sh4: add prefi, icbi, synco
(Vladimir Prus)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6013
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aurel32 [Sat, 13 Dec 2008 18:57:28 +0000 (18:57 +0000)]
target-sh4: add SH7785 as CPU option
(Vladimir Prus)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6012
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aurel32 [Sat, 13 Dec 2008 18:57:21 +0000 (18:57 +0000)]
TCG x86/x86-64: use move with zero-extend for loads/stores
Starting with version 4.3, gcc returns the result of a function in
rax/eax/ax/al instead of rax/eax, depending of the return type. As
a consequence we should use a zero extend moe in TCG loads/stores.
See http://gcc.gnu.org/ml/gcc/2008-01/msg00052.html for more details.
A big thanks to malc who founds the problem and wrote the x86 patch.
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6011
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aurel32 [Sat, 13 Dec 2008 18:57:12 +0000 (18:57 +0000)]
vnc: Fix crash on 'info vnc' after 'change vnc none'
vnc_state->display is set to NULL after "change vnc none" but vnc_state itself
is still valid.
(James Ko)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6010
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malc [Sat, 13 Dec 2008 15:51:14 +0000 (15:51 +0000)]
Fix smsw for x86_64 guest and bigendian host case
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6009
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aurel32 [Sat, 13 Dec 2008 12:33:02 +0000 (12:33 +0000)]
target-i386: SVM: acknowledge interrupt only after it is taken
SVM specifies that the V_IRQ mask is only to be removed, if the
interrupt that is to be delivered actually is delivered.
As of the SVM rewrite, this mask is always unmasked when the main cpu
loop is processed, leaving a corner case where calling the interrupt
handler causes a #PF. In that case (booting Linux / starting gfxboot)
the current implementation tells the VMM the interrupt is taken, even
though it is not.
This patch modifies the VIRQ unmasking to occur after do_interrupt,
making gfxboot work again.
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@6008
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aurel32 [Sat, 13 Dec 2008 12:30:21 +0000 (12:30 +0000)]
target-ppc: keep only the table version for mfrom
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6007
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aurel32 [Sat, 13 Dec 2008 12:13:33 +0000 (12:13 +0000)]
target-ppc: use accessors to access fp_status exception_flags
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6006
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blueswir1 [Sat, 13 Dec 2008 11:49:17 +0000 (11:49 +0000)]
x86 cleanup
Remove some unnecessary includes, add needed includes, move prototypes to
cpu.h to suppress missing prototype warnings.
Remove unused functions and prototypes (cpu_x86_flush_tlb, cpu_lock,
cpu_unlock, restore_native_fp_state, save_native_fp_state).
Make some functions and data static (f15rk, parity_table, rclw_table,
rclb_table, raise_interrupt, fpu_raise_exception), they are not used
outside op_helper.c anymore.
Make some x86_64 and user only code conditional to avoid warnings.
Document where each function is implemented in cpu.h and exec.h.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6005
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aurel32 [Sat, 13 Dec 2008 11:46:36 +0000 (11:46 +0000)]
target-ppc: fix compilation with PRECISE_EMULATION
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6004
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aurel32 [Sat, 13 Dec 2008 11:46:27 +0000 (11:46 +0000)]
target-ppc: fix compilation with CONFIG_SOFTFLOAT
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6003
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aurel32 [Sat, 13 Dec 2008 11:46:15 +0000 (11:46 +0000)]
softfloat-native: add float32_is_nan()
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6002
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blueswir1 [Sat, 13 Dec 2008 11:37:02 +0000 (11:37 +0000)]
Fix warning about unused shm_regions
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6001
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blueswir1 [Sat, 13 Dec 2008 09:32:43 +0000 (09:32 +0000)]
Remove unnecessary trailing newlines
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6000
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aurel32 [Sat, 13 Dec 2008 09:03:28 +0000 (09:03 +0000)]
Remove useless check_ops.sh
Suggested by Stuart Brady.
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5999
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blueswir1 [Sat, 13 Dec 2008 08:16:43 +0000 (08:16 +0000)]
Fix TARGET_LONG_BITS warning in TCG
Looking at tcg/tcg.c:828, the bug that the warning indicated would show up as
incorrect PC shown in log, only on 32 bit big endian host emulating a 64 bit
target, -d op flag enabled. Now that dyngen is gone, the patch can be applied.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5998
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aliguori [Fri, 12 Dec 2008 20:02:52 +0000 (20:02 +0000)]
Make sure to link librt if we need to.
This is really a stop-gap. The recent thread pool changes uncovered a
deeper issue with how we use librt. We really should be probing for
timer_create and then conditionally enabling that code.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5997
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aliguori [Fri, 12 Dec 2008 16:41:40 +0000 (16:41 +0000)]
Replace posix-aio with custom thread pool
glibc implements posix-aio as a thread pool and imposes a number of limitations.
1) it limits one request per-file descriptor. we hack around this by dup()'ing
file descriptors which is hideously ugly
2) it's impossible to add new interfaces and we need a vectored read/write
operation to properly support a zero-copy API.
What has been suggested to me by glibc folks, is to implement whatever new
interfaces we want and then it can eventually be proposed for standardization.
This requires that we implement our own posix-aio implementation though.
This patch implements posix-aio using pthreads. It immediately eliminates the
need for fd pooling.
It performs at least as well as the current posix-aio code (in some
circumstances, even better).
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5996
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aurel32 [Thu, 11 Dec 2008 22:43:07 +0000 (22:43 +0000)]
PPC405EP: fix fpga write function
I'm not familiar with this device, but I'm fairly certain the writel handler is
not supposed to recurse.
Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5995
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aurel32 [Thu, 11 Dec 2008 22:42:58 +0000 (22:42 +0000)]
baum: remove 2 warnings
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5994
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aurel32 [Thu, 11 Dec 2008 22:42:50 +0000 (22:42 +0000)]
target-sh4: remove 2 warnings
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5993
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aurel32 [Thu, 11 Dec 2008 22:42:42 +0000 (22:42 +0000)]
target-alpha: fix 2 warnings
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5992
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aurel32 [Thu, 11 Dec 2008 22:42:33 +0000 (22:42 +0000)]
target-ppc: remove remaining warnings
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5991
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aurel32 [Thu, 11 Dec 2008 22:42:25 +0000 (22:42 +0000)]
target-ppc: remove unneeded include
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5990
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aurel32 [Thu, 11 Dec 2008 22:42:14 +0000 (22:42 +0000)]
target-ppc: rework exception code
... also remove two warnings.
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5989
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aurel32 [Thu, 11 Dec 2008 22:42:04 +0000 (22:42 +0000)]
target-ppc: remove dead code
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5988
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aliguori [Thu, 11 Dec 2008 21:20:03 +0000 (21:20 +0000)]
pci: virtio: use pci id defines (Gerd Hoffman)
Use the defines added by the previous patch in the virtio drivers.
Also remove the pointless vendor and device args from the
virtio_blk_init() function.
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@5987
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aliguori [Thu, 11 Dec 2008 21:15:42 +0000 (21:15 +0000)]
pci: add default pci subsystem id for all devices (Gerd Hoffman)
This sets a default PCI subsystem ID for all emulated PCI devices. PCI
specs require this, so do it.
In many cases it is enougth to know the PCI ID to handle a device
correctly. Sometimes a device driver must identify the exact piece of
hardware (via PCI Subsystem ID) though.
What does this patch to qemu devices:
Right now the emulated PCI devices have no PCI subsystem ID, only the
PCI ID. The discussed patch sets a default PCI subsystem ID for all
emulated devices. Which will make the qemu devices look pretty much
like in the laptop case: all PCI subsystem IDs will point to qemu by
default.
If a driver emulates a very specific piece of hardware where it has to
emulate more than just the PCI chip, it can overwrite the PCI subsystem
ID without problems. The es1370 driver does that for example.
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@5986
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aliguori [Thu, 11 Dec 2008 21:06:49 +0000 (21:06 +0000)]
Fix handling of disk-only snapshots (Kevin Wolf)
When creating a snapshot with multiple qcow2 disks attached, the current
behaviour is that qemu creates a disk snapshot on all of them and
chooses one to write the VM state to.
Despite having the state only in one image, loadvm tries to restore the
VM state from the middle of nowhere if you run qemu a second time with
only one of the other images attached. In the lucky case it will fail
because there simply is no state, but it also can happen that it loads
the state of a different snapshot (the one this new one is based upon).
The fix is to write a zero VM state size to the images which don't
contain the state, and check this in loadvm.
I agree that you probably have to provoke such things intentionally to
get in a state like this with qemu itself. However, with my second patch
that adds snapshot support to qemu-img it could become a reasonable use
case to have snapshots with and without VM states on the same image.
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@5985
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aliguori [Thu, 11 Dec 2008 21:03:10 +0000 (21:03 +0000)]
Fix crash in kvm.c (Stefan Weil)
Fix crash with kvm enabled.
Signed-off-by: Stefan Weil <weil@mail.berlios.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5984
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blueswir1 [Thu, 11 Dec 2008 19:39:56 +0000 (19:39 +0000)]
Remove redundant #ifdef _BSD
since _BSD if already handled in osdep.c:qemu_memalign(), we don't need to
check it in the calling function again. getpagesize() is available in BSD.
Signed-off-by: Andre Przywara <andre.przywara@amd.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5983
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blueswir1 [Thu, 11 Dec 2008 19:37:54 +0000 (19:37 +0000)]
Rename fls to qemu_fls
Fix compiler warning on OSX, reported by Andreas Faerber.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5982
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malc [Thu, 11 Dec 2008 19:20:41 +0000 (19:20 +0000)]
Add lost semicolons
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5981
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malc [Thu, 11 Dec 2008 19:12:59 +0000 (19:12 +0000)]
Don't require linux/auxvec.h, which isn't always installed with libc.
I'm cross-compiling, and linux/auxvec.h was not installed with my glibc
headers. How about this:
Don't require linux/auxvec.h, which isn't always installed with libc.
Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5980
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blueswir1 [Thu, 11 Dec 2008 19:12:25 +0000 (19:12 +0000)]
Fix compiling without MREMAP_FIXED
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5979
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blueswir1 [Thu, 11 Dec 2008 17:30:50 +0000 (17:30 +0000)]
Allow to register a callback with fw_cfg_add_callback()
fw_cfg_add_callback() checks if key has FW_CFG_WRITE_CHANNEL bit set
after masking the key with FW_CFG_ENTRY_MASK.
But as FW_CFG_ENTRY_MASK is ~(FW_CFG_WRITE_CHANNEL | FW_CFG_ARCH_LOCAL),
the bit is never set and function exits.
This patch corrects this by checking the bit before masking the value.
Signed-by-off: Laurent Vivier <Laurent.Vivier@bull.net>
Acked-by: Gleb Natapov <gleb@redhat.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5978
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blueswir1 [Thu, 11 Dec 2008 17:29:00 +0000 (17:29 +0000)]
Add missing "static"
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5977
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malc [Thu, 11 Dec 2008 00:14:30 +0000 (00:14 +0000)]
Fix warnings introduced in r5948
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5976
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malc [Thu, 11 Dec 2008 00:14:28 +0000 (00:14 +0000)]
Add missing static qualifier
Caught by -Wstrict-prototypes
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5975
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malc [Thu, 11 Dec 2008 00:14:25 +0000 (00:14 +0000)]
adlib.c includes fmopl.h and so needs -DBUILD_Y8950=0 too
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5974
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malc [Wed, 10 Dec 2008 19:18:40 +0000 (19:18 +0000)]
Introduce and use cache-utils.[ch]
Thanks to Segher Boessenkool and Holis Blanchard.
AIX and Darwin cache inquiry:
http://gcc.gnu.org/ml/gcc-patches/2007-08/msg00388.html
Auxiliary vectors:
http://manugarg.googlepages.com/aboutelfauxiliaryvectors
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5973
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aurel32 [Wed, 10 Dec 2008 18:17:06 +0000 (18:17 +0000)]
IDE: Implement SEEK command
Signed-off-by: Justin Chevrier <theburner1@yahoo.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5972
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aurel32 [Wed, 10 Dec 2008 17:31:51 +0000 (17:31 +0000)]
target-sh4: Add SH bit handling to TLB
This patch adds SH bit handling to sh4's TLB, which is a part of MMU
functionality that had not been implemented in qemu.
Additionally, increment_urc() call in cpu_load_tlb() is deleted, because
the specification explicitly says that URC is not incremented by an LDTLB
instruction (at Section 3 of SH7751 Hardware manual(REJ09B0370-0400)).
Even though URC is not needed to be strictly same as HW because it is a
random number, this condition is not negligible.
Signed-off-by: Takashi YOSHII <takasi-y@ops.dti.ne.jp>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5971
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aurel32 [Wed, 10 Dec 2008 17:31:43 +0000 (17:31 +0000)]
target-sh4: check FD bit for FP instructions
Based on a patch from Vladimir Prus <vladimir@codesourcery.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5970
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aliguori [Wed, 10 Dec 2008 15:38:47 +0000 (15:38 +0000)]
Add 64-bit Block Move support (Direct & Table Indirect) (Ryan Harper)
This patch adds support for 64-bit Block Move instructions. There are multiple
modes for 64-bit Block moves, direct, indirect, and table indirect. This patch
implements Direct and Table indirect moves which are needed by 64-bit windows
and SYM_CONF_DMA_ADDRESSING_MODE=2 for the Linux sym53c8xx_2 driver respectively.
Two helper functions are included to check which mode the guest is using. For
64-bit direct moves, we fetch a 3rd DWORD and store the value in the DBMS
register. For Table Indirect moves, we look into the table for which register
contains the upper 32-bits of the 64-bit address. This selector value indicates
which register to pull the value from and into dnad64 register.
Finally, lsi_do_dma is updated to use the approriate register to build a 64-bit
DMA address if required.
With this patch, Windows XP x64, 2003 SP2 x64, can now install to scsi devices.
Linux SYM_CONF_DMA_ADDRESSING_MODE=2 need a quirk fixup in Patch 4 to function
properly.
Signed-off-by: Ryan Harper <ryanh@us.ibm.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5969
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aliguori [Wed, 10 Dec 2008 15:37:33 +0000 (15:37 +0000)]
LSI53C895A: Rename dmbs register to dbms (Ryan Harper)
Register name should be: Dynamic Block Move Selector (dbms) according to page
215 of the LSI 53C895A Technical Manual[1].
1. http://www.lsi.com/DistributionSystem/AssetDocument/files/docs/techdocs/storage_stand_prod/SCSIControllers/lsi53c895a_tech_manual.pdf
Signed-off-by: Ryan Harper <ryanh@us.ibm.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5968
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aliguori [Wed, 10 Dec 2008 15:14:13 +0000 (15:14 +0000)]
Accept password as an argument to 'change vnc password' monitor command (Chris Webb)
This allows easier use of the change vnc password monitor command from
management scripts, without having to implement expect(1)-like behaviour.
Signed-off-by: Chris Webb <chris@arachsys.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5967
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aliguori [Wed, 10 Dec 2008 15:12:57 +0000 (15:12 +0000)]
Fix off-by-one bug limiting VNC passwords to 7 chars (Chris Webb)
monitor_readline expects buf_size to include the terminating \0, but
do_change_vnc in monitor.c calls it as though it doesn't. The other site
where monitor_readline reads a password (in vl.c) passes the buffer
length
correctly.
Signed-off-by: Chris Webb <chris@arachsys.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5966
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aurel32 [Wed, 10 Dec 2008 15:02:33 +0000 (15:02 +0000)]
target-ppc: enable SPE and Altivec in user mode
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5965
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aurel32 [Wed, 10 Dec 2008 15:02:24 +0000 (15:02 +0000)]
target-ppc: initialize MSR appropriately in user-mode
Mask the initial MSR with the mask from the PowerPC CPU definition.
Noticed by Nathan Froyd.
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5964
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aurel32 [Wed, 10 Dec 2008 15:02:16 +0000 (15:02 +0000)]
target-i386: Fix jmp im on x86_64 when executing 32-bit code
When running grub-install (32-bit) on an x86_64 Linux system in qemu, it
hangs on a pagefault forever, because an integer overflow occurs on the
IP on "jmp im". This patch masks overflows for 32 bit IPs on a 64 bit
system, just like it is done for 16 bit IPs already.
Using this patch, x86_64 openSUSE installation works again.
Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Kevin Wolf <kwolf@suse.de>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5963
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aurel32 [Wed, 10 Dec 2008 15:02:07 +0000 (15:02 +0000)]
MIPS Magnum: fix memory-mapped i8042
Current implementation of memory-mapped i8042 controller is atm
implemented with an interface shift (it_shift) parameter, like most all
memory-mapped devices in Qemu.
However, this isn't suitable for MIPS Magnum, where i8042 controller is at
0x80005000 up to 0x80005fff.
Thomas Bogendoerfer (from #mipslinux) tested the behaviour of a real
machine, and found that odd addresses are for status/command register, and
even addresses for data register.
Attached patch implements this behaviour by replacing the it_shift
parameter by a mask one.
Incidentally, keyboard now works on OpenBSD 2.3, which accesses i8042
controller at 0x80005060 and 0x80005061.
Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5962
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aliguori [Tue, 9 Dec 2008 20:09:57 +0000 (20:09 +0000)]
KVM: Coalesced MMIO support
MMIO exits are more expensive in KVM or Xen than in QEMU because they
involve, at least, privilege transitions. However, MMIO write
operations can be effectively batched if those writes do not have side
effects.
Good examples of this include VGA pixel operations when in a planar
mode. As it turns out, we can get a nice boost in other areas too.
Laurent mentioned a 9.7% performance boost in iperf with the coalesced
MMIO changes for the e1000 when he originally posted this work for KVM.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5961
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aliguori [Tue, 9 Dec 2008 19:59:09 +0000 (19:59 +0000)]
Disable KVM support if the kernel modules have broken memory slot handling
Prior to kvm-80, memory slot deletion was broken in the KVM kernel
modules. In kvm-81, a new capability is introduced to signify that this
problem has been fixed.
Since we rely on being able to delete memory slots, refuse to work with
any kernel module that does not have this capability present.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5960
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aurel32 [Mon, 8 Dec 2008 18:12:40 +0000 (18:12 +0000)]
linux-user: mremap(): handle MREMAP_FIXED and MREMAP_MAYMOVE correctly
Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>
Acked-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5959
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aurel32 [Mon, 8 Dec 2008 18:12:33 +0000 (18:12 +0000)]
linux-user: mmap: add check if requested memory area fits target address space
Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>
Acked-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5958
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aurel32 [Mon, 8 Dec 2008 18:12:26 +0000 (18:12 +0000)]
linux-user: Fix h2g usage in page_find_alloc
Paul's comment on my first approach to fix the h2g usage in
page_find_alloc finally open my eyes about what the code is actually
supposed to do:
With the help of h2g_valid we can no cleanly check if a freshly allocate
page (for host usage) is guest-reachable and, in case it is, mark it
reserved in the guest's address range.
Signed-off-by: Jan Kiszka <jan.kiszka@web.de>
Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>
Acked-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5957
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aurel32 [Mon, 8 Dec 2008 18:12:18 +0000 (18:12 +0000)]
linux-user: Introduce h2g_valid
Introduce h2g_valid to check if a given host address can be converted
into a valid guest address.
Based on a patch from Jan Kiszka <jan.kiszka@web.de>
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@5956
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aurel32 [Mon, 8 Dec 2008 18:12:11 +0000 (18:12 +0000)]
linux-user: Safety belt for h2g
h2g can only work on 64-bit hosts if the provided address is mappable to
the guest range. Neglecting this was already the source for several
bugs. Instrument the macro so that it will trigger earlier in the
future (at least as long as we have this kind of mapping mechanism).
Based on a patch from Jan Kiszka <jan.kiszka@web.de>
Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>
Acked-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5955
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aurel32 [Mon, 8 Dec 2008 18:12:04 +0000 (18:12 +0000)]
linux-user: Move abi_* typedefs into qemu-types.h
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@5954
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aurel32 [Mon, 8 Dec 2008 18:11:57 +0000 (18:11 +0000)]
configure: also close stdout when calling cc
Remove some ugly outputs with colorgcc
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5953
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aurel32 [Mon, 8 Dec 2008 18:11:50 +0000 (18:11 +0000)]
target-ppc: kill a warning
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5952
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aurel32 [Mon, 8 Dec 2008 18:11:42 +0000 (18:11 +0000)]
target-ppc: cleanup op_helper.c after TCG conversion
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5951
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aurel32 [Mon, 8 Dec 2008 18:11:33 +0000 (18:11 +0000)]
target-ppc: enable access type in MMU
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5950
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aurel32 [Mon, 8 Dec 2008 18:11:21 +0000 (18:11 +0000)]
target-ppc: memory load/store rework
Rework the memory load/store:
- Unify load/store functions for 32-bit and 64-bit CPU
- Don't swap values twice for bit-reverse load/store functions
in little endian mode.
- On a 64-bit CPU in 32-bit mode, do the address truncation for
address computation instead of every load store. Truncate the
address when incrementing the address (if needed)
- Cache writes to access_types.
- Add a few missing calls to gen_set_access_type()
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5949
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balrog [Sun, 7 Dec 2008 23:44:44 +0000 (23:44 +0000)]
Make memory load functions (ldxx_y(ptr)) take a const pointer.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5948
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balrog [Sun, 7 Dec 2008 23:35:47 +0000 (23:35 +0000)]
Fix 64-bit targets compilation on ARM host.
Only fix compilation, probably doesn't run.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5947
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balrog [Sun, 7 Dec 2008 23:33:34 +0000 (23:33 +0000)]
Move spitz microdrive to PCMCIA socket 0.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5946
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aurel32 [Sun, 7 Dec 2008 23:26:32 +0000 (23:26 +0000)]
target-alpha: gdb-stub support
(Vince Weaver)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5945
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aurel32 [Sun, 7 Dec 2008 23:26:24 +0000 (23:26 +0000)]
MIPS: remove a few warnings
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5944
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aurel32 [Sun, 7 Dec 2008 23:26:17 +0000 (23:26 +0000)]
gdbstub: kill a warning
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5943
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aurel32 [Sun, 7 Dec 2008 23:26:09 +0000 (23:26 +0000)]
Parallel port reset
Attached patch adds a reset handler to parallel port, so it gets correct
register values after a reset.
(Hervé Poussineau)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5942
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aurel32 [Sun, 7 Dec 2008 23:00:00 +0000 (23:00 +0000)]
target-ppc: kill a few warnings
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5941
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malc [Sun, 7 Dec 2008 22:50:16 +0000 (22:50 +0000)]
Quote configure's arguments and location while storing them in config_host.mak
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5940
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aurel32 [Sun, 7 Dec 2008 22:46:49 +0000 (22:46 +0000)]
SH4: SCI improvement
This patch simply implement one register of SH4's SCI := Serial Communication Interface.
R2D evaluation board uses SCI for SPI connection. So, Linux kernel for R2D with
default configuration causes a QEMU assertion failure when it initializes SPI driver.
This patch avoids it and reduces the kernel config modification work for QEMU.
Completing SCI implementation task is left. Other board support is desirable to confirm
this task, which uses SCI for a serial terminal.
(Shin-ichiro KAWASAKI)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5939
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aurel32 [Sun, 7 Dec 2008 22:46:42 +0000 (22:46 +0000)]
SH4: kill a few warnings
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5938
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aurel32 [Sun, 7 Dec 2008 22:46:31 +0000 (22:46 +0000)]
SH4: Implement FD bit
SH4 manual say that if a floating point instruction is executed while
FD bit in the status register is 1, an exception should be raised. QEMU
presently does not do that, so the kernel does not initialize FP state
for any thread, nor does it save/restore FP state. The most apparent
consequence is that while recent gcc/libc expect double-precision mode
to be set by kernel, they run in single-precision mode, and all FP code
produces wrong values.
This patch fixes this. It also fixes a couple of places where PC was
not updated before handling an exception, although both those places
deal with invalid instruction and don't lead to any user-visible bugs.
(Vladimir Prus)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5937
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aurel32 [Sun, 7 Dec 2008 20:35:00 +0000 (20:35 +0000)]
Some cleanups after dyngen removal
1. hostregs_helper.h: fix comment
2. translate-all.c: rename dyngen_code(_search_pc) to
tcg_gen_code(_search_pc)
3. tcg.c:
- rename dyngen_table_op_count to tcg_table_op_count
- no need to generate a log of dyngen ops generated
- rename dyngen_code(_search_pc) to tcg_gen_code(_search_pc)
4. tcg.h: rename dyngen_code(_search_pc) to
tcg_gen_code(_search_pc)
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@5936
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balrog [Sun, 7 Dec 2008 19:39:58 +0000 (19:39 +0000)]
SH4: Eliminate P4 to A7 mangling (Takashi YOSHII).
Main purpose of this is to delete
*physical = address & 0x1fffffff;
at target-sh4/helper.c:449, using new mmio rule introduced by #5849
This masking is a nice trick to realize P4/A7 duality of SH registers.
But, IMHO, it is logically wrong.
Most of SH4 cpu control registers in P4 area(0xfc000000...0xffffffff) have
one more address called A7 which is usually P4 address with upper 3bits masked.
This is an address only appears in TLB's physical address part.
Current code use trick writing drivers as if they are really in A7
(that's why you see many *_A7 in hw/sh*.c), and using translation P4 to A7.
Signed-off-by: Takashi YOSHII <takasi-y@ops.dti.ne.jp>
Signed-off-by: Andrzej Zaborowski <andrew.zaborowski@intel.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5935
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balrog [Sun, 7 Dec 2008 19:33:15 +0000 (19:33 +0000)]
SH: improve the way sh7750 registers io memory (Takashi YOSHII).
Fixes to be needed for commit #5849 "Change MMIO callbacks..."
hw/sh7750.c:
- Divide region of CPU control registers to avoid overlapping
to peripheral modules.
- Delete unused var "icr", which had moved to hw/sh_intc.c.
hw/sm501.c:
- Merge non page aligned palette registers into the region of
control registers.
Signed-off-by: Takashi YOSHII <takasi-y@ops.dti.ne.jp>
Signed-off-by: Andrzej Zaborowski <andrew.zaborowski@intel.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5934
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blueswir1 [Sun, 7 Dec 2008 19:30:18 +0000 (19:30 +0000)]
Fix some new warnings introduced after r5022
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5933
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balrog [Sun, 7 Dec 2008 19:20:43 +0000 (19:20 +0000)]
SH: r2d pci support (Takashi YOSHII).
This patch adds pci support to sh/r2d board.
This is the first user of PCIC support I formerly sent.
PCIC actually is inside of chip with CPU core on SH7751.
But, this code is written as if SH7750 and PCIC are on board.
I care little about physical device boundary, but fitting with qemu's
design.
This patch also adds some BSC (Bus State Controller) registers,
because PCI device driver software have to accesses them.
Signed-off-by: Takashi YOSHII <takasi-y@ops.dti.ne.jp>
Signed-off-by: Andrzej Zaborowski <andrew.zaborowski@intel.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5932
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blueswir1 [Sun, 7 Dec 2008 19:16:27 +0000 (19:16 +0000)]
Enable gcc flag -Wredundant-decls
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5931
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blueswir1 [Sun, 7 Dec 2008 19:15:47 +0000 (19:15 +0000)]
Enable gcc flag -Wstrict-prototypes
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5930
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blueswir1 [Sun, 7 Dec 2008 19:15:17 +0000 (19:15 +0000)]
Enable gcc flag -Wmissing-prototypes
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5929
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balrog [Sun, 7 Dec 2008 19:13:12 +0000 (19:13 +0000)]
SH: Don't subtract bases from access addresses in PCIC.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5928
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balrog [Sun, 7 Dec 2008 19:08:45 +0000 (19:08 +0000)]
SH: On-chip PCI controller support (Takashi YOSHII).
This patch adds SuperH on-chip PCI controller(PCIC) support.
Signed-off-by: Takashi YOSHII <takasi-y@ops.dti.ne.jp>
Signed-off-by: Andrzej Zaborowski <andrew.zaborowski@intel.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5927
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balrog [Sun, 7 Dec 2008 18:59:57 +0000 (18:59 +0000)]
sh4: Add r2d onboard FPGA IRQ controller (Takashi YOSHII).
This adds IRQ controller in FPGA on r2d, and use it for CF.
Signed-off-by: Takashi YOSHII <takasi-y@ops.dti.ne.jp>
Signed-off-by: Andrzej Zaborowski <andrew.zaborowski@intel.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5926
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balrog [Sun, 7 Dec 2008 18:49:57 +0000 (18:49 +0000)]
sh4: Add IRL (4-bit encoded interrupt input) support (Takashi YOSHII).
This patch adds IRL(4bit encoded 15 level interrupt input) support
to SH using qemu_irq as a multi level (!=on/off) signal.
Signed-off-by: Takashi YOSHII <takasi-y@ops.dti.ne.jp>
Signed-off-by: Andrzej Zaborowski <andrew.zaborowski@intel.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5925
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balrog [Sun, 7 Dec 2008 18:41:42 +0000 (18:41 +0000)]
sh4: mmio based CF support on r2d board (Takashi YOSHII).
This patch adds emulation for a CompactFlash on sh4/r2d board.
The device is CF, but wired to be worked as True-IDE mode, and connected
directly to SH bus. So, this code is to support generally mmio based
IDEs which are supported by "pata_platform" driver in linux kernel.
Signed-off-by: Takashi YOSHII <takasi-y@ops.dti.ne.jp>
Signed-off-by: Andrzej Zaborowski <andrew.zaborowski@intel.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5924
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aurel32 [Sun, 7 Dec 2008 18:15:54 +0000 (18:15 +0000)]
Remove FORCE_RET() and RETURN()
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5923
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aurel32 [Sun, 7 Dec 2008 18:15:45 +0000 (18:15 +0000)]
Some cleanups after dyngen removal
this patch removes some now unused things after dyngen removal.
1. dyngen-exec.h: op_param, op _jmp and some associated macros
are now unused;
2. Makefile.target: tcg-dyngen is not needed anymore
2. tcg/tcg-op.h, tcg/tcg-opc.h: gen-op.h is dead
3. tcg.c:
- INDEX_op_end is now the first op
- CONFIG_DYNGEN_OP is never defined
4. tcg.h: dyngen_op not needed anymore
5. exec-all.h: remove some ASM macros.
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@5922
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aurel32 [Sun, 7 Dec 2008 18:15:36 +0000 (18:15 +0000)]
target-i386: fix CVE-2007-1322
The icebp instruction can be abused to terminate the emulation,
resulting in denial of service.
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5921
c046a42c-6fe2-441c-8c8c-
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aurel32 [Sun, 7 Dec 2008 18:15:23 +0000 (18:15 +0000)]
slirp: fix CVE 2007-5729
The emulated network cards in QEMU allows local users to execute arbitrary
code by writing Ethernet frames with a size larger than the slirp's default
MTU, which triggers a heap-based buffer overflow in the slirp library.
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5920
c046a42c-6fe2-441c-8c8c-
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blueswir1 [Sun, 7 Dec 2008 17:16:42 +0000 (17:16 +0000)]
Some fixes for TCG debugging
This fixes a few things after Paul's improvements for TCG debugging:
- change TCGv_i64 field name to something different from
TCGv_i32
- fix things in tcg that the above change made visible.
Signed-off-by: Laurent Desnogues <laurent.desnogues@gmail.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5919
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aurel32 [Sun, 7 Dec 2008 16:23:22 +0000 (16:23 +0000)]
target-ppc: disable single stepping
... which left was enabled by mistake.
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5918
c046a42c-6fe2-441c-8c8c-
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