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menu "Host processor type and features"
source "arch/i386/Kconfig.cpu"
endmenu
config UML_X86
bool
default y
config 64BIT
bool
default n
config SEMAPHORE_SLEEPERS
bool
default y
config HOST_2G_2G
bool "2G/2G host address space split"
default n
help
This is needed when the host on which you run has a 2G/2G memory
split, instead of the customary 3G/1G.
Note that to enable such a host
configuration, which makes sense only in some cases, you need special
host patches.
So, if you do not know what to do here, say 'N'.
config TOP_ADDR
hex
default 0xc0000000 if !HOST_2G_2G
default 0x80000000 if HOST_2G_2G
config 3_LEVEL_PGTABLES
bool "Three-level pagetables (EXPERIMENTAL)"
default n
depends on EXPERIMENTAL
help
Three-level pagetables will let UML have more than 4G of physical
memory. All the memory that can't be mapped directly will be treated
as high memory.
However, this it experimental on 32-bit architectures, so if unsure say
N (on x86-64 it's automatically enabled, instead, as it's safe there).
config STUB_CODE
hex
default 0xbfffe000 if !HOST_2G_2G
default 0x7fffe000 if HOST_2G_2G
config STUB_DATA
hex
default 0xbffff000 if !HOST_2G_2G
default 0x7ffff000 if HOST_2G_2G
config STUB_START
hex
default STUB_CODE
config ARCH_HAS_SC_SIGNALS
bool
default y
config ARCH_REUSE_HOST_VSYSCALL_AREA
bool
default y
config GENERIC_HWEIGHT
bool
default y
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