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This patch change all info call back function to take
additional QDict * parameter, which allow those command
take parameter. Now it is set to NULL at default case.
Signed-off-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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target_phys_addr_t is unwieldly, violates the C standard (_t suffixes are
reserved) and its purpose doesn't match the name (most target_phys_addr_t
addresses are not target specific). Replace it with a finger-friendly,
standards conformant hwaddr.
Outstanding patchsets can be fixed up with the command
git rebase -i --exec 'find -name "*.[ch]"
| xargs s/target_phys_addr_t/hwaddr/g' origin
Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Recent u-boot has different defines for its gzip extract buffer, but the
common ground seems to be 64MB. So let's bump it up to that, enabling me
to load my test image again ;).
Signed-off-by: Alexander Graf <agraf@suse.de>
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Allow load_image_targphys to load files on systems with more than 2G of
emulated memory by changing the max_sz parameter from an int to an
uint64_t.
Reviewed-by: Andreas F=E4rber <afaerber@suse.de>
Acked-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Mark Langsdorf <mark.langsdorf@calxeda.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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load_image_targphys() gets passed a max size for the file, but doesn't
enforce it at all. Add a check and return -1 (error) if the file is
too big, without loading it. Fix the bracing style in the function
while we're at it.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Alexander Graf <agraf@suse.de>
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cpu_get_physical_page_desc() is tied into the memory core's
innards, replace it with uses of the API.
Signed-off-by: Avi Kivity <avi@redhat.com>
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Happily passes (size_t)-1 to rom_add_blob_fixed(), which promptly dies
attempting to malloc that much. Spotted by Coverity.
Bonus fix for ROMs larger than INT_MAX bytes: return ssize_t instead
of int. Bug can't bite, because the only user load_aout() limits ROM
size to an int value.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Those blanks violate the coding conventions, see
scripts/checkpatch.pl.
Blanks missing after colons in the changed lines were added.
This patch does not try to fix tabs, long lines and other
problems in the changed lines, therefore checkpatch.pl reports
many violations.
Signed-off-by: Stefan Weil <weil@mail.berlios.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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qemu_malloc/qemu_free no longer exist after this commit.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Fix a file descriptor leak, reported by cppcheck:
[/src/qemu/hw/loader.c:311]: (error) Resource leak: fd
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Extend -option-rom command to have additional parameter ,bootindex=.
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Change fw_cfg_add_file() to get full file path as a parameter instead
of building one internally. Two reasons for that. First caller may need
to know how file is named. Second this moves policy of file naming out
from fw_cfg. Platform may want to use more then two levels of
directories for instance.
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Removing dead code. Above we already continued when
rom->addr + valuegreaterthan0 < addr so this condition is always false.
Signed-off-by: Joel Schopp <jschopp@austin.ibm.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
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A few machines need to translate the ELF header addresses into physical
addresses. Currently the only possibility is to add a value to the
addresses.
This patch replaces the addend argument by and a translation function
and an opaque passed to the function. A NULL function does not translate
the address.
The patch also convert all machines that have an addend, simplify the
PowerPC kernel loading and fix the MIPS kernel loading using this new
feature. Other machines may benefit from this feature.
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
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Commit c2039bd0ffce8807e0eaac55254fde790825fa92 made rom loading
automatic for non-PC architectures. Remove now mostly unused
conditional rom loading support.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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This patch changes the way rom loading via fw_cfg is handled.
Instead of having pc_init1() call a function which passed all
roms to the firmware config we simply pass a pointer to fw_cfg
to the rom loader.
Advantage: loading roms via firmware works also for devices which
are initialized after pc_init1(), i.e. everyting added via -device.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Changes:
- Drop extra file argument from rom_add_file().
- Drop fw_dir check in do_info_roms, we allways have a dir name.
- code style fixes.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Similarly to what has been done in e405a2ba91b68817cae2a428de55fe9616a4cf37,
ignore rom intended to be loaded by the bios in find_rom() and rom_copy().
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
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The first such option rom will load at address 0, which isn't very nice,
and the second will report a conflict and abort, which is horrible.
Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
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ROMs need to be loaded if they are anywhere in the requested area, not
only at the very beginning. This fixes Multiboot with ELF kernels that
have more than one program header.
Signed-off-by: Kevin Wolf <mail@kevin-wolf.de>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
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It was possible to load roms at address 0, but commit
632cf034b401cdd01dae253a8b577fe518e37654 started to forbid that, which
broke at least ARM versatile.
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
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Now that we load the option roms via fw_cfg, we can stop copying
them to the 0xc000 -> 0xe000. The patch does just that.
Also the rom loader gets simplified as all remaining users of the
rom loader load the bits at a fixed address so the packing and
aligning logic can go away.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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roms: use fw_cfg for vgabios and option rom loading, additionally to
deploying them the traditional way (copy to 0xc0000 -> 0xe0000 range).
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Check rom_load_all() return value.
Also don't make option rom loading failure fatal.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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The multiboot implementation assumed that there is only one program header
(which contains the entry point) and that the entry point is at the start of
the code. This doesn't hold true generally and caused too little data to be
loaded.
Fix the loading code to pass the whole loaded data to the Multiboot Option ROM.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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We have several rom helpers currently, but none of them can get us
code that spans several roms into a pointer.
This patch introduces a function that copies over rom contents.
Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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rom_+add_file/rom_add_blob only work correctly if called before
load_all_roms. Enforce this rather than silently accepting and putting
the rom in the wrong place at reset.
Signed-off-by: Paul Brook <paul@codesourcery.com>
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Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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The rom_add_vga() and rom_add_option() macros are transformed into
functions. They look at the new rom_enable_driver_roms variable
and only do something if it is set to non-zero, making vga+option rom
loading runtime option. pc_init() sets rom_enable_driver_roms to 1.
With this in place we can move the rom loading calls from pc.c to the
individual drivers.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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In case qemu_find_file fails try to open the file as-is.
Patchworks-ID: 35263
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Changes:
(1) register pstrcpy_targphys() in rom list, it is used for kernel
command lines by a number of architectures.
(2) add rom_ptr() function to get a pointer for applying changes
to loaded images. Needed for example to tell the linux kernel
where it finds the initrd image by updating the header.
(3) make sparc use rom_ptr for initrd setup.
booting sparc-test works now, and 'info roms' shows this:
(qemu) info roms
addr=0000000000000000 size=0x2a3828 mem=ram name="phdr #0: vmlinux-2.6.11+tcx"
addr=00000000007ff000 size=0x00000e mem=ram name="cmdline"
addr=0000000000800000 size=0x400000 mem=ram name="/root/qemu-test/sparc-test/linux.img"
addr=0000000070000000 size=0x0e4000 mem=rom name="phdr #0: /home/kraxel/projects/qemu/build-zfull/pc-bios/openbios-sparc32"
reboot via 'system_reset' works too.
Patchworks-ID: 35262
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Signed-off-by: malc <av1474@comtv.ru>
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This patch adds infrastructure to maintain memory regions which must be
restored on reset. That includes roms (vga bios and option roms on pc),
but is also used when loading linux kernels directly. Features:
- loading files is supported.
- passing blobs is supported.
- target address range is supported (for optionrom area).
- fixed target memory address is supported (linux kernel).
New in v2:
- writes to ROM are done only at initial boot.
- also handle aout and uimage loaders.
- drop unused fread_targphys() function.
The final memory layout is created once all memory regions are
registered. The option roms get addresses assigned and the
registered regions are checked against overlaps. Finally all data
is copyed to the guest memory.
Advantages:
(1) Filling memory on initial boot and on reset takes the same
code path, making reset more robust.
(2) The need to keep track of the option rom load address is gone.
(3) Due to (2) option roms can be loaded outside pc_init(). This
allows to move the pxe rom loading into the nic drivers for
example.
Additional bonus: There is a 'info roms' monitor command now.
The patch also switches over pc.c and removes the
option_rom_setup_reset() and load_option_rom() functions.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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In the very least, a change like this requires discussion on the list.
The naming convention is goofy and it causes a massive merge problem. Something
like this _must_ be presented on the list first so people can provide input
and cope with it.
This reverts commit 99a0949b720a0936da2052cb9a46db04ffc6db29.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Some not so obvious bits, slirp and Xen were left alone for the time
being.
Signed-off-by: malc <av1474@comtv.ru>
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Callers must pass ELF machine, byte swapping and symbol LSB clearing
information to ELF loader. A.out loader needs page size information, pass
that too as a parameter.
Extract prototypes to a separate file. Move loader.[ch] and elf_ops.h under hw.
Adjust callers. Also use target_phys_addr_t instead of target_ulong for
addresses: loader addresses aren't virtual.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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