From 8993a44cede418940a4921de5dc24d52a9fe8767 Mon Sep 17 00:00:00 2001
From: Nicolas Pitre <nico@cam.org>
Date: Sat, 14 Jan 2006 16:36:50 +0000
Subject: [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 <nico@cam.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
arch/arm/Kconfig | 4 ++--
arch/arm/nwfpe/fpa11.h | 4 ++--
2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index ead6172692d..cb66b5745fa 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -602,7 +602,7 @@ comment "At least one emulation must be selected"
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
@@ -626,7 +626,7 @@ config FPE_NWFPE_XP
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
diff --git a/arch/arm/nwfpe/fpa11.h b/arch/arm/nwfpe/fpa11.h
index da4c616b6c4..28cd79a451d 100644
--- a/arch/arm/nwfpe/fpa11.h
+++ b/arch/arm/nwfpe/fpa11.h
@@ -62,7 +62,7 @@ typedef union tagFPREG {
#else
u32 padding[3];
#endif
-} FPREG;
+} __attribute__ ((packed,aligned(4))) FPREG;
/*
* FPA11 device model.
@@ -89,7 +89,7 @@ typedef struct tagFPA11 {
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);
--
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