From 893bb96a29bee4a5cf2486720ac79412aaee5066 Mon Sep 17 00:00:00 2001 From: Joris van Rantwijk Date: Mon, 1 May 2006 12:15:56 -0700 Subject: [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 Cc: Paolo 'Blaisorblade' Giarrusso Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/um/Kconfig | 14 -------------- arch/um/Kconfig.i386 | 19 +++++++++++++++++-- 2 files changed, 17 insertions(+), 16 deletions(-) (limited to 'arch/um') diff --git a/arch/um/Kconfig b/arch/um/Kconfig index 05fbb20636c..76e85bbaea5 100644 --- a/arch/um/Kconfig +++ b/arch/um/Kconfig @@ -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" diff --git a/arch/um/Kconfig.i386 b/arch/um/Kconfig.i386 index 85e6a55b3b5..f6eb72d117b 100644 --- a/arch/um/Kconfig.i386 +++ b/arch/um/Kconfig.i386 @@ -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 -- cgit v1.2.3