- 23 4月, 2010 16 次提交
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由 Christoph Hellwig 提交于
Assign directly to the bdrv_flags variable instead of using magic numbers before translating to the BDRV_O_* options. Signed-off-by: NChristoph Hellwig <hch@lst.de> Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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由 Kevin Wolf 提交于
Returning NULL on error doesn't allow distinguishing between different errors. Change the interface to return an integer for -errno. Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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由 Kevin Wolf 提交于
Change write_l1_entry to return the real error code instead of -1. Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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由 Kevin Wolf 提交于
Fix qcow2_alloc_cluster_link_l2 to return the real error code like it does in all other error cases. Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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由 Kevin Wolf 提交于
Change write_l2_entries to return the real error code instead of -1. Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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由 Christoph Hellwig 提交于
Split up the raw_getlength into separate generic, solaris and BSD versions to reduce the ifdef maze a bit. The BSD variant still is a complete maze, but to clean it up properly we'd need some people using the BSD variants to figure out what code is used for what variant. Signed-off-by: NChristoph Hellwig <hch@lst.de> Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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由 Christoph Hellwig 提交于
BDRV_O_FILE is only used to communicate between bdrv_file_open and bdrv_open. It affects two things: first bdrv_open only searches for protocols using find_protocol instead of all image formats and host drivers. We can easily move that to the caller and pass the found driver to bdrv_open. Second it is used to not force a read-write open of a snapshot file. But we never use bdrv_file_open to open snapshots and this behaviour doesn't make sense to start with. qemu-io abused the BDRV_O_FILE for it's growable option, switch it to using bdrv_file_open to make sure we only open files as growable were we can actually support that. This patch requires Kevin's "[PATCH] Replace calls of old bdrv_open" to be applied first. Signed-off-by: NChristoph Hellwig <hch@lst.de> Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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由 Kevin Wolf 提交于
What is known today as bdrv_open2 becomes the new bdrv_open. All remaining callers of the old function are converted to the new one. In some places they even know the right format, so they should have used bdrv_open2 from the beginning. Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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由 Kevin Wolf 提交于
qcow_create2 assumes that the new image will only need one cluster for its refcount table initially. Obviously that's not true any more when the image is big enough (exact value depends on the cluster size). This patch calculates the refcount table size dynamically. Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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由 Kevin Wolf 提交于
This adds blkdebug events to qcow2 to allow injecting I/O errors in specific places. Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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由 Kevin Wolf 提交于
Block drivers can trigger a blkdebug event whenever they reach a place where it could be useful to inject an error for testing/debugging purposes. Rules are read from a blkdebug config file and describe which action is taken when an event is triggered. For now this is only injecting an error (with a few options) or changing the state (which is an integer). Rules can be declared to be active only in a specific state; this way later rules can distiguish on which path we came to trigger their event. Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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由 Kevin Wolf 提交于
To be able to use config files for blkdebug, we need to make these functions available in the tools. This involves moving two functions that can only be built in the context of the emulator. Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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由 Kevin Wolf 提交于
Add a mechanism to inject errors instead of passing requests on. With no further patches applied, you can use it by setting inject_errno in gdb. Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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由 Kevin Wolf 提交于
This isn't doing anything interesting. It creates the blkdebug block driver as a protocol which just passes everything through to raw. Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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由 Kevin Wolf 提交于
qemu_config_parse gets the option groups as a parameter now instead of hardcoding the VM configuration groups. This way it can be used for other configurations, too. Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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由 Kevin Wolf 提交于
Introduce a new function qemu_read_config_file which reads the VM configuration from a config file. Unlike qemu_config_parse it doesn't take a open file but a filename and reduces code duplication as a side effect. Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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- 22 4月, 2010 3 次提交
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由 Serge Ziryukin 提交于
Remove unused 'shift' variable spotted by clang. Also clean up aud_to_sdlfmt which used to get the value of shift. Signed-off-by: NSerge Ziryukin <ftrvxmtrx@gmail.com> Signed-off-by: Nmalc <av1474@comtv.ru>
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由 Andrzej Zaborowski 提交于
Problem-spotted-by: NBlue Swirl <blauwirbel@gmail.com> Signed-off-by: NAndrew Zaborowski <balrogg@gmail.com>
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由 Blue Swirl 提交于
Fix clang error: CC bt-l2cap.o /src/qemu/hw/bt-l2cap.c:1000:41: error: if statement has empty body [-Wempty-body] /* TODO: Signal an error? */; This means that l2cap_sframe_in() may now get called. Signed-off-by: NBlue Swirl <blauwirbel@gmail.com> Signed-off-by: NAndrew Zaborowski <balrogg@gmail.com>
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- 21 4月, 2010 3 次提交
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由 malc 提交于
Spotted by Serge Ziryukin and based on his patch, thanks. Signed-off-by: Nmalc <av1474@comtv.ru>
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由 Isaku Yamahata 提交于
When looking down child bus, it should look parent bridge's bus number, not child bus's. Optimized tail recursion and style fix. Cc: Blue Swirl <blauwirbel@gmail.com> Cc: "Michael S. Tsirkin" <mst@redhat.com> Signed-off-by: NIsaku Yamahata <yamahata@valinux.co.jp> Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>
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由 Juha Riihimäki 提交于
A data structure of type sockaddr_in is allocated from stack but not properly initialized. This may lead to a failure in the bind() call later on. Fixed by filling the contents of the structure with zeroes before using it. Signed-off-by: NJuha Riihimäki <juha.riihimaki@nokia.com> Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>
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- 20 4月, 2010 3 次提交
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由 Blue Swirl 提交于
Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>
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由 Blue Swirl 提交于
Since kvm.h can be used in files compiled once, we can partially revert b33612d0. Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>
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由 Paolo Bonzini 提交于
This allows limited use of kvm functions (which will return ENOSYS) even in once-compiled modules. The patch also improves a bit the error messages for KVM initialization. Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com> [blauwirbel@gmail.com: fixed Win32 build] Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>
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- 19 4月, 2010 15 次提交
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由 Aurelien Jarno 提交于
There is statistically almost 0 chances to use this code, so remove it. Signed-off-by: NAurelien Jarno <aurelien@aurel32.net>
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由 Aurelien Jarno 提交于
The beginning of the register allocation order list on the TCG arm target matches the list of clobbered registers. This means that when an helper is called, there is almost always clobbered registers that have to be spilled. Signed-off-by: NAurelien Jarno <aurelien@aurel32.net>
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由 Aurelien Jarno 提交于
64-bit arguments should be aligned on an even register as specified by the "Procedure Call Standard for the ARM Architecture". Signed-off-by: NAurelien Jarno <aurelien@aurel32.net>
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由 Aurelien Jarno 提交于
addr_reg, data_reg and data_reg2 can't be register r0 or r1 du to the constraints. Don't check if they equals these registers. Signed-off-by: NAurelien Jarno <aurelien@aurel32.net>
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由 Aurelien Jarno 提交于
On big endian targets, data arguments of qemu_ld/st ops have to be byte swapped. Two temporary registers are needed for qemu_st to do the bswap. r0 and r1 are used in system mode, do the same in user mode, which implies reworking the constraints. Signed-off-by: NAurelien Jarno <aurelien@aurel32.net>
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由 Aurelien Jarno 提交于
Signed-off-by: NAurelien Jarno <aurelien@aurel32.net>
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由 Aurelien Jarno 提交于
While it make sense to pass a conditional argument to tcg_out_*() functions as the ARM architecture allows that, it doesn't make sense for qemu_ld/st functions. These functions use comparison instructions and conditional execution already, so it is not possible to use a second level of conditional execution. Signed-off-by: NAurelien Jarno <aurelien@aurel32.net>
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由 Aurelien Jarno 提交于
Add an bswap16 and bswap32 ops, either using the rev and rev16 instructions on ARMv6+ or shifts and logical operations on previous ARM versions. In both cases the result use less instructions than the pure TCG version. These ops are also needed by the qemu_ld/st functions. Signed-off-by: NAurelien Jarno <aurelien@aurel32.net>
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由 Aurelien Jarno 提交于
Add an ext16u op, either using the uxth instruction on ARMv6+ or two shifts on previous ARM versions. In both cases the result use the same number or less instructions than the pure TCG version. Also move all sign extension code to separate functions, so that they can be reused in other parts of the code. Signed-off-by: NAurelien Jarno <aurelien@aurel32.net>
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由 Aurelien Jarno 提交于
Signed-off-by: NAurelien Jarno <aurelien@aurel32.net>
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由 Aurelien Jarno 提交于
Signed-off-by: NAurelien Jarno <aurelien@aurel32.net>
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由 Aurelien Jarno 提交于
Signed-off-by: NAurelien Jarno <aurelien@aurel32.net>
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由 Aurelien Jarno 提交于
Use a set of variables to define the allowed ARM instructions, depending on the __ARM_ARCH_*__ GCC defines. Signed-off-by: NAurelien Jarno <aurelien@aurel32.net>
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由 Aurelien Jarno 提交于
As specified by the "Procedure Call Standard for the ARM Architecture". Signed-off-by: NAurelien Jarno <aurelien@aurel32.net>
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由 Aurelien Jarno 提交于
The TCG ARM backends uses integer values to refer to both immediate values and register number. This makes the code difficult to read. The patch below replaces all (if I haven't miss any ;-) integer values representing register number by TCG_REG_* enum values. Signed-off-by: NAurelien Jarno <aurelien@aurel32.net>
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