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generic-loader: Add a generic loader

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Add a generic loader to QEMU which can be used to load images or set
memory values.

Internally inside QEMU this is a device. It is a strange device that
provides no hardware interface but allows QEMU to monkey patch memory
specified when it is created. To be able to do this it has a reset
callback that does the memory operations.

This device allows the user to monkey patch memory. To be able to do
this it needs a backend to manage the datas, the same as other
memory-related devices. In this case as the backend is so trivial we
have merged it with the frontend instead of creating and maintaining a
seperate backend.

Signed-off-by: Alistair Francis <alistair.francis@xilinx.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Markus Armbruster <armbru@redhat.com>
Message-id: 10f2a9dce5e5e11b6c6d959415b0ad6ee22bcba5.1475195078.git.alistair.francis@xilinx.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Alistair Francis 2016-10-04 13:28:09 +01:00 • committed by Peter Maydell
parent 13e5c54d30
commit e481a1f63c
4 changed files with 265 additions and 0 deletions
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2
hw/core/Makefile.objs
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@ -18,3 +18,5 @@ common-obj-$(CONFIG_SOFTMMU) += qdev-properties-system.o
common-obj-$(CONFIG_SOFTMMU) += register.o
common-obj-$(CONFIG_SOFTMMU) += or-irq.o
common-obj-$(CONFIG_PLATFORM_BUS) += platform-bus.o
obj-$(CONFIG_SOFTMMU) += generic-loader.o