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Albert ARIBAUD 62e92077a8 arm: support Thumb-1 with CONFIG_SYS_THUMB_BUILD 
When building a Thumb-1-only target with CONFIG_SYS_THUMB_BUILD,
some files fail to build, most of the time because they include
mcr instructions, which only exist for Thumb-2.

This patch introduces a Kconfig option CONFIG_THUMB2 and uses
it to select between Thumb-2 and ARM mode for the aforementioned
files.

Signed-off-by: Albert ARIBAUD <albert.u.boot@aribaud.net>
2015-11-10 15:03:48 +01:00
..
include/asm/proc-armv arm: support Thumb-1 with CONFIG_SYS_THUMB_BUILD 2015-11-10 15:03:48 +01:00