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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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The previous multiboot load code did not treat the case where
load_end_addr was 0 specially. The multiboot specification says the
following:
* load_end_addr
Contains the physical address of the end of the data segment.
(load_end_addr - load_addr) specifies how much data to load. This
implies that the text and data segments must be consecutive in the
OS image; this is true for existing a.out executable formats. If
this field is zero, the boot loader assumes that the text and data
segments occupy the whole OS image file.
Signed-off-by: Scott Moser <smoser@ubuntu.com>
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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Multiboot images can specify a bss segment. The boot loader must clear
the memory of the bss and ensure that no modules or structures are
allocated inside it. Several fields are provided in the Multiboot
header that were previously not used properly. The header is now used
to determine how much data should be read from the image and how much
memory should be reserved to the bss segment.
Signed-off-by: Göran Weinholt <goran@weinholt.se>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Support commas in the parameter list of multiboot modules as well as for the
kernel command line, by using double commas (via get_opt_value()).
Signed-off-by: Adam Lackorzynski <adam@os.inf.tu-dresden.de>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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The multiboot info struct's 'boot_device' field has 'part1' set to 0x01, which
maps to the second primary partition. To specify the first primary partition,
'part1' should be set to 0x00, since partition numbers start from zero
according to the multiboot spec.
Signed-off-by: Arun Thomas <arun.thomas@gmail.com>
Reviewed-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
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Quote filename in error message to spot possible whitespace character in
the filename and make error message more meaningful.
Signed-off-by: Adam Lackorzynski <adam@os.inf.tu-dresden.de>
Acked-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
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The upper memory size field should exclude the first MB of RAM.
Signed-off-by: Kevin Wolf <mail@kevin-wolf.de>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
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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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A via -kernel supplied x86_64 ELF image is being started in 32bit mode.
Detect and exit if a 64bit image has been supplied.
Signed-off-by: Adam Lackorzynski <adam@os.inf.tu-dresden.de>
Acked-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Do not store return of get_image_size() in a uint32_t as it makes it
impossible to detect error returns from get_image_size.
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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This patch fixes the following compilation errors in multiboot.c
when DEBUG_MULTIBOOT is defined.
Use TARGET_FMT_plx instead of %x for target_phys_addr_t.
CC i386-softmmu/multiboot.o
cc1: warnings being treated as errors
qemu/hw/multiboot.c: In function 'mb_add_mod':
qemu/hw/multiboot.c:121: error: format '%08x' expects type 'unsigned int', but argument 4 has type 'target_phys_addr_t'
qemu/hw/multiboot.c:121: error: format '%08x' expects type 'unsigned int', but argument 5 has type 'target_phys_addr_t'
qemu/hw/multiboot.c: In function 'load_multiboot':
qemu/hw/multiboot.c:279: error: format '%#x' expects type 'unsigned int', but argument 5 has type 'target_phys_addr_t'
qemu/hw/multiboot.c:307: error: format '%x' expects type 'unsigned int', but argument 3 has type 'target_phys_addr_t'
qemu/hw/multiboot.c:308: error: format '%x' expects type 'unsigned int', but argument 3 has type 'target_phys_addr_t'
make[1]: *** [multiboot.o] Error 1
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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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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Move multiboot loading code into separate files as suggested by Alex Graf.
Signed-off-by: Adam Lackorzynski <adam@os.inf.tu-dresden.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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