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2011-04-15sparc: Fix assertion caused by empty memory slot with 0 byteStefan Weil1-9/+12
If the memory size given on the command line is equal to the maximum size of memory defined by the hardware, there is no "empty slot" after physical memory. The following command qemu-system-sparc -m 256 raised an assertion: exec.c:2614: cpu_register_physical_memory_offset: Assertion `size' failed This can be fixed either at the caller side (don't call empty_slot_init) or in empty_slot_init (do nothing) when size == 0. The second solution was choosen here because it is more robust. Signed-off-by: Stefan Weil <weil@mail.berlios.de>
2010-12-11Add endianness as io mem parameterAlexander Graf1-1/+2
As stated before, devices can be little, big or native endian. The target endianness is not of their concern, so we need to push things down a level. This patch adds a parameter to cpu_register_io_memory that allows a device to choose its endianness. For now, all devices simply choose native endian, because that's the same behavior as before. Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-04-18create empty_slot deviceArtyom Tarasenko1-0/+92
The empty_slot device emulates known to a bus but not connected devices. Signed-off-by: Artyom Tarasenko <atar4qemu@gmail.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>