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arch/Config.in: introduce BR2_KERNEL_64_USERLAND_32 symbol

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On some architectures one can be running a 64-bit kernel with a 32-bit
userland. Such is the case for sparc64 (unsupported) for example and
mips64 with n32 ABI.

Some tools that interface directly with the kernel need to be built
specially for this, so introduce this symbol to tweak their build in
one central kludge to be future-proof.

Example: bug #6602.

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Gustavo Zacarias 2013-10-25 10:10:22 -03:00 committed by Thomas Petazzoni
parent 9e7d7b3cd4
commit 957a986214
2 changed files with 4 additions and 0 deletions
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3
arch/Config.in
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@ -3,6 +3,9 @@ menu "Target options"
config BR2_ARCH_IS_64
bool
config BR2_KERNEL_64_USERLAND_32
bool
config BR2_SOFT_FLOAT
bool

1
arch/Config.in.mips
View File

@ -47,6 +47,7 @@ config BR2_MIPS_OABI32
config BR2_MIPS_NABI32
bool "n32"
depends on BR2_ARCH_IS_64
select BR2_KERNEL_64_USERLAND_32
config BR2_MIPS_NABI64
bool "n64"
depends on BR2_ARCH_IS_64