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Create device untypeds at boot for all arches

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Currently on x86 device untypeds are generated by passing the entire
address space minus any parts that are reserved by the kernel or that
are "real" memory (e.g. kernel image, physical RAM).

On ARM and RISC-V, device untypeds were generated at compile-time from
a device tree. This patch moves ARM and RISC-V to use the same approach
as x86, and moves the code from x86 into a common location that's
shared between the three architectures.

Co-Authored-By: Anna Lyons <anna@gh.st>
This commit is contained in:
Simon Shields
2019-10-08 12:16:41 +11:00
parent 28c1ff4b4b
commit b5c56244f1
20 changed files with 260 additions and 217 deletions
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config.cmake
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@@ -198,6 +198,7 @@ endif()
# Enshrine common variables in the config
config_set(KernelHaveFPU HAVE_FPU "${KernelHaveFPU}")
config_set(KernelPaddrUserTop PADDR_USER_DEVICE_TOP "${KernelPaddrUserTop}")
# System parameters
config_string(