- 14 12月, 2012 2 次提交
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由 David Gibson 提交于
If no image file for NVRAM is specified, the pseries machine currently creates a 16K non-persistent NVRAM by default. This basically works, but is not large enough for current firmware and guest kernels to create all the NVRAM partitions they would like to. Increasing the default size to 64K addresses this and stops the guest generating error messages. Signed-off-by: NDavid Gibson <david@gibson.dropbear.id.au> Signed-off-by: NAlexander Graf <agraf@suse.de>
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由 David Gibson 提交于
The PAPR specification requires a certain amount of NVRAM, accessed via RTAS, which we don't currently implement in qemu. This patch addresses this deficiency, implementing the NVRAM as a VIO device, with some glue to instantiate it automatically based on a machine option. The machine option specifies a drive id, which is used to back the NVRAM, making it persistent. If nothing is specified, the driver instead simply allocates space for the NVRAM, which will not be persistent Signed-off-by: NDavid Gibson <david@gibson.dropbear.id.au> Signed-off-by: NAlexander Graf <agraf@suse.de>
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