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

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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>
This commit is contained in:
Nicolas Pitre 2006-01-14 16:36:50 +00:00 committed by Russell King
parent dd35afc22b
commit 8993a44ced
2 changed files with 4 additions and 4 deletions
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4
arch/arm/Kconfig
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@ -602,7 +602,7 @@ comment "At least one emulation must be selected"
config FPE_NWFPE config FPE_NWFPE
bool "NWFPE math emulation" bool "NWFPE math emulation"
depends on !AEABI depends on !AEABI || OABI_COMPAT
---help--- ---help---
Say Y to include the NWFPE floating point emulator in the kernel. Say Y to include the NWFPE floating point emulator in the kernel.
This is necessary to run most binaries. Linux does not currently This is necessary to run most binaries. Linux does not currently
@ -626,7 +626,7 @@ config FPE_NWFPE_XP
config FPE_FASTFPE config FPE_FASTFPE
bool "FastFPE math emulation (EXPERIMENTAL)" bool "FastFPE math emulation (EXPERIMENTAL)"
depends on !AEABI && !CPU_32v3 && EXPERIMENTAL depends on (!AEABI || OABI_COMPAT) && !CPU_32v3 && EXPERIMENTAL
---help--- ---help---
Say Y here to include the FAST floating point emulator in the kernel. 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 This is an experimental much faster emulator which now also has full

4
arch/arm/nwfpe/fpa11.h
View File

@ -62,7 +62,7 @@ typedef union tagFPREG {
#else #else
u32 padding[3]; u32 padding[3];
#endif #endif
} FPREG; } __attribute__ ((packed,aligned(4))) FPREG;
/* /*
* FPA11 device model. * FPA11 device model.
@ -89,7 +89,7 @@ typedef struct tagFPA11 {
so we can use it to detect whether this so we can use it to detect whether this
instance of the emulator needs to be instance of the emulator needs to be
initialised. */ initialised. */
} FPA11; } __attribute__ ((packed,aligned(4))) FPA11;
extern int8 SetRoundingMode(const unsigned int); extern int8 SetRoundingMode(const unsigned int);
extern int8 SetRoundingPrecision(const unsigned int); extern int8 SetRoundingPrecision(const unsigned int);