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[PATCH] uml: skas0 support for 2G/2G hosts 

A quick hack to allow skas0 mode to run on 2G/2G hosts.

Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
hifive-unleashed-5.1
Joris van Rantwijk 2006-05-01 12:15:56 -07:00 committed by Linus Torvalds
parent c39e50b4ba
commit 893bb96a29
2 changed files with 17 additions and 16 deletions
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14
arch/um/Kconfig
View File

@ -57,20 +57,6 @@ config STATIC_LINK
chroot, and you disable CONFIG_MODE_TT, you probably want to say Y
here.
config HOST_2G_2G
bool "2G/2G host address space split"
default n
depends on MODE_TT
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 KERNEL_HALF_GIGS
int "Kernel address space size (in .5G units)"
default "1"

19
arch/um/Kconfig.i386
View File

@ -16,6 +16,19 @@ 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
@ -35,11 +48,13 @@ config 3_LEVEL_PGTABLES
config STUB_CODE
hex
default 0xbfffe000
default 0xbfffe000 if !HOST_2G_2G
default 0x7fffe000 if HOST_2G_2G
config STUB_DATA
hex
default 0xbffff000
default 0xbffff000 if !HOST_2G_2G
default 0x7ffff000 if HOST_2G_2G
config STUB_START
hex