c31ae4bb4a
This provides a reliable way for asm-generic/types.h and other files to find out if it is running on a 32 or 64 bit platform. We cannot use CONFIG_64BIT for this in headers that are included from user space because CONFIG symbols are not available there. We also cannot do it inside of asm/types.h because some headers need the word size but cannot include types.h. The solution is to introduce a new header <asm/bitsperlong.h> that defines both __BITS_PER_LONG for user space and BITS_PER_LONG for usage in the kernel. The asm-generic version falls back to 32 bit unless the architecture overrides it, which I did for all 64 bit platforms. Signed-off-by: Remis Lima Baima <remis.developer@googlemail.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
59 lines
1.1 KiB
C
59 lines
1.1 KiB
C
#ifndef _SPARC_TYPES_H
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#define _SPARC_TYPES_H
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/*
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* This file is never included by application software unless
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* explicitly requested (e.g., via linux/types.h) in which case the
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* application is Linux specific so (user-) name space pollution is
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* not a major issue. However, for interoperability, libraries still
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* need to be careful to avoid a name clashes.
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*/
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#if defined(__sparc__) && defined(__arch64__)
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/*** SPARC 64 bit ***/
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#include <asm-generic/int-ll64.h>
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#ifndef __ASSEMBLY__
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typedef unsigned short umode_t;
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#endif /* __ASSEMBLY__ */
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#ifdef __KERNEL__
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#ifndef __ASSEMBLY__
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/* Dma addresses come in generic and 64-bit flavours. */
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typedef u32 dma_addr_t;
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typedef u64 dma64_addr_t;
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#endif /* __ASSEMBLY__ */
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#endif /* __KERNEL__ */
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#else
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/*** SPARC 32 bit ***/
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#include <asm-generic/int-ll64.h>
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#ifndef __ASSEMBLY__
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typedef unsigned short umode_t;
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#endif /* __ASSEMBLY__ */
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#ifdef __KERNEL__
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#ifndef __ASSEMBLY__
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typedef u32 dma_addr_t;
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typedef u32 dma64_addr_t;
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#endif /* __ASSEMBLY__ */
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#endif /* __KERNEL__ */
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#endif /* defined(__sparc__) && defined(__arch64__) */
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#endif /* defined(_SPARC_TYPES_H) */
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