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ARM: 6534/1: Make CONFIG_FPE_NWFPE depend on !CONFIG_THUMB2_KERNEL
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Because the nwfpe support is unlikely to be used on new platforms
and requires CONFIG_OABI_COMPAT, which is not generally used with
ARMv7+, we shouldn't expect to build nwfpe support into a Thumb-2
kernel.

At present, nwfpe contains assembly code which isn't Thumb-2
compatible, and for now it doesn't appear useful to port this
code.

All ARMv7-A/R platforms necessarily have VFPv3 hardware floating-
point natively, making emulation unnecessary.

Signed-off-by: Dave Martin <[email protected]>
Acked-by: Catalin Marinas <[email protected]>
Acked-by: Nicolas Pitre <[email protected]>
Acked-by: Santosh Shilimkar <[email protected]>
Signed-off-by: Russell King <[email protected]>
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Dave Martin authored and Russell King committed Dec 14, 2010
1 parent 6e6fc99 commit 593c252
Showing 1 changed file with 1 addition and 1 deletion.
2 changes: 1 addition & 1 deletion arch/arm/Kconfig
Original file line number Diff line number Diff line change
Expand Up @@ -1759,7 +1759,7 @@ comment "At least one emulation must be selected"

config FPE_NWFPE
bool "NWFPE math emulation"
depends on !AEABI || OABI_COMPAT
depends on (!AEABI || OABI_COMPAT) && !THUMB2_KERNEL
---help---
Say Y to include the NWFPE floating point emulator in the kernel.
This is necessary to run most binaries. Linux does not currently
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