| #ifndef __BACKPORT_ASM_UNALIGNED_H |
| #define __BACKPORT_ASM_UNALIGNED_H |
| #include_next <asm/unaligned.h> |
| |
| #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,26) |
| /* |
| * 2.6.26 added its own unaligned API which the |
| * new drivers can use. Lets port it here by including it in older |
| * kernels and also deal with the architecture handling here. |
| */ |
| #ifdef CONFIG_ALPHA |
| |
| #include <linux/unaligned/be_struct.h> |
| #include <linux/unaligned/le_byteshift.h> |
| #include <linux/unaligned/generic.h> |
| |
| #endif /* alpha */ |
| #ifdef CONFIG_ARM |
| |
| /* arm */ |
| #include <linux/unaligned/le_byteshift.h> |
| #include <linux/unaligned/be_byteshift.h> |
| #include <linux/unaligned/generic.h> |
| |
| #endif /* arm */ |
| #ifdef CONFIG_AVR32 |
| |
| /* |
| * AVR32 can handle some unaligned accesses, depending on the |
| * implementation. The AVR32 AP implementation can handle unaligned |
| * words, but halfwords must be halfword-aligned, and doublewords must |
| * be word-aligned. |
| * |
| * However, swapped word loads must be word-aligned so we can't |
| * optimize word loads in general. |
| */ |
| |
| #include <linux/unaligned/be_struct.h> |
| #include <linux/unaligned/le_byteshift.h> |
| #include <linux/unaligned/generic.h> |
| |
| #endif |
| #ifdef CONFIG_BLACKFIN |
| |
| #include <linux/unaligned/le_struct.h> |
| #include <linux/unaligned/be_byteshift.h> |
| #include <linux/unaligned/generic.h> |
| |
| #endif /* blackfin */ |
| #ifdef CONFIG_CRIS |
| |
| /* |
| * CRIS can do unaligned accesses itself. |
| */ |
| #include <linux/unaligned/access_ok.h> |
| #include <linux/unaligned/generic.h> |
| |
| #endif /* cris */ |
| #ifdef CONFIG_FRV |
| |
| #include <linux/unaligned/le_byteshift.h> |
| #include <linux/unaligned/be_byteshift.h> |
| #include <linux/unaligned/generic.h> |
| |
| #endif /* frv */ |
| #ifdef CONFIG_H8300 |
| |
| #include <linux/unaligned/be_memmove.h> |
| #include <linux/unaligned/le_byteshift.h> |
| #include <linux/unaligned/generic.h> |
| |
| #endif /* h8300 */ |
| #ifdef CONFIG_IA64 |
| |
| #include <linux/unaligned/le_struct.h> |
| #include <linux/unaligned/be_byteshift.h> |
| #include <linux/unaligned/generic.h> |
| |
| #endif /* ia64 */ |
| #ifdef CONFIG_M32R |
| |
| #if defined(__LITTLE_ENDIAN__) |
| # include <linux/unaligned/le_memmove.h> |
| # include <linux/unaligned/be_byteshift.h> |
| # include <linux/unaligned/generic.h> |
| #else |
| # include <linux/unaligned/be_memmove.h> |
| # include <linux/unaligned/le_byteshift.h> |
| # include <linux/unaligned/generic.h> |
| #endif |
| |
| #endif /* m32r */ |
| #ifdef CONFIG_M68K /* this handles both m68k and m68knommu */ |
| |
| #ifdef CONFIG_COLDFIRE |
| #include <linux/unaligned/be_struct.h> |
| #include <linux/unaligned/le_byteshift.h> |
| #include <linux/unaligned/generic.h> |
| #else |
| |
| /* |
| * The m68k can do unaligned accesses itself. |
| */ |
| #include <linux/unaligned/access_ok.h> |
| #include <linux/unaligned/generic.h> |
| #endif |
| |
| #endif /* m68k and m68knommu */ |
| #ifdef CONFIG_MIPS |
| |
| #if defined(__MIPSEB__) |
| # include <linux/unaligned/be_struct.h> |
| # include <linux/unaligned/le_byteshift.h> |
| # include <linux/unaligned/generic.h> |
| # define get_unaligned __get_unaligned_be |
| # define put_unaligned __put_unaligned_be |
| #elif defined(__MIPSEL__) |
| # include <linux/unaligned/le_struct.h> |
| # include <linux/unaligned/be_byteshift.h> |
| # include <linux/unaligned/generic.h> |
| #endif |
| |
| #endif /* mips */ |
| #ifdef CONFIG_MN10300 |
| |
| #include <linux/unaligned/access_ok.h> |
| #include <linux/unaligned/generic.h> |
| |
| #endif /* mn10300 */ |
| #ifdef CONFIG_PARISC |
| |
| #include <linux/unaligned/be_struct.h> |
| #include <linux/unaligned/le_byteshift.h> |
| #include <linux/unaligned/generic.h> |
| |
| #endif /* parisc */ |
| #ifdef CONFIG_PPC |
| /* |
| * The PowerPC can do unaligned accesses itself in big endian mode. |
| */ |
| #include <linux/unaligned/access_ok.h> |
| #include <linux/unaligned/generic.h> |
| |
| #endif /* ppc */ |
| #ifdef CONFIG_S390 |
| |
| /* |
| * The S390 can do unaligned accesses itself. |
| */ |
| #include <linux/unaligned/access_ok.h> |
| #include <linux/unaligned/generic.h> |
| |
| #endif /* s390 */ |
| #ifdef CONFIG_SUPERH |
| |
| /* SH can't handle unaligned accesses. */ |
| #ifdef __LITTLE_ENDIAN__ |
| # include <linux/unaligned/le_struct.h> |
| # include <linux/unaligned/be_byteshift.h> |
| # include <linux/unaligned/generic.h> |
| #else |
| # include <linux/unaligned/be_struct.h> |
| # include <linux/unaligned/le_byteshift.h> |
| # include <linux/unaligned/generic.h> |
| #endif |
| |
| #endif /* sh - SUPERH */ |
| #ifdef CONFIG_SPARC |
| |
| /* sparc and sparc64 */ |
| #include <linux/unaligned/be_struct.h> |
| #include <linux/unaligned/le_byteshift.h> |
| #include <linux/unaligned/generic.h> |
| |
| #endif /* sparc */ |
| #ifdef CONFIG_UML |
| |
| #include "asm/arch/unaligned.h" |
| |
| #endif /* um - uml */ |
| #ifdef CONFIG_V850 |
| |
| #include <linux/unaligned/be_byteshift.h> |
| #include <linux/unaligned/le_byteshift.h> |
| #include <linux/unaligned/generic.h> |
| |
| #endif /* v850 */ |
| #ifdef CONFIG_X86 |
| /* |
| * The x86 can do unaligned accesses itself. |
| */ |
| #include <linux/unaligned/access_ok.h> |
| #include <linux/unaligned/generic.h> |
| |
| #endif /* x86 */ |
| #ifdef CONFIG_XTENSA |
| |
| #ifdef __XTENSA_EL__ |
| # include <linux/unaligned/le_memmove.h> |
| # include <linux/unaligned/be_byteshift.h> |
| # include <linux/unaligned/generic.h> |
| #elif defined(__XTENSA_EB__) |
| # include <linux/unaligned/be_memmove.h> |
| # include <linux/unaligned/le_byteshift.h> |
| # include <linux/unaligned/generic.h> |
| #else |
| # error processor byte order undefined! |
| #endif |
| |
| #endif /* xtensa */ |
| #endif /* < 2.6.26 */ |
| |
| #endif /* __BACKPORT_ASM_UNALIGNED_H */ |
