[ARM] 3111/2: old ABI compat: adjust NWFPE to be operational within an EABI kernel

Patch from Nicolas Pitre

We need NWFPE if we want to support execution of legacy binaries with
an EABI kernel.

Signed-off-by: Nicolas Pitre <[e-mail]>
Signed-off-by: Russell King <[e-mail]>

arch/arm/Kconfig

···
 
 config FPE_NWFPE
 	bool "NWFPE math emulation"
-	depends on !AEABI
+	depends on !AEABI || OABI_COMPAT
 	---help---
 	  Say Y to include the NWFPE floating point emulator in the kernel.
 	  This is necessary to run most binaries. Linux does not currently
···
 
 config FPE_FASTFPE
 	bool "FastFPE math emulation (EXPERIMENTAL)"
-	depends on !AEABI && !CPU_32v3 && EXPERIMENTAL
+	depends on (!AEABI || OABI_COMPAT) && !CPU_32v3 && EXPERIMENTAL
 	---help---
 	  Say Y here to include the FAST floating point emulator in the kernel.
 	  This is an experimental much faster emulator which now also has full

arch/arm/nwfpe/fpa11.h

···
 #else
 	u32 padding[3];
 #endif
-} FPREG;
+} __attribute__ ((packed,aligned(4))) FPREG;
 
 /*
  * FPA11 device model.
···
 				   so we can use it to detect whether this
 				   instance of the emulator needs to be
 				   initialised. */
-} FPA11;
+} __attribute__ ((packed,aligned(4))) FPA11;
 
 extern int8 SetRoundingMode(const unsigned int);
 extern int8 SetRoundingPrecision(const unsigned int);