~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

TOMOYO Linux Cross Reference
Linux/arch/sh/include/asm/segment.h

Version: ~ [ linux-5.13-rc1 ] ~ [ linux-5.12.2 ] ~ [ linux-5.11.19 ] ~ [ linux-5.10.35 ] ~ [ linux-5.9.16 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.117 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.190 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.232 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.268 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.268 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.18.140 ] ~ [ linux-3.16.85 ] ~ [ linux-3.14.79 ] ~ [ linux-3.12.74 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.5 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  1 #ifndef __ASM_SH_SEGMENT_H
  2 #define __ASM_SH_SEGMENT_H
  3 
  4 #ifndef __ASSEMBLY__
  5 
  6 typedef struct {
  7         unsigned long seg;
  8 } mm_segment_t;
  9 
 10 #define MAKE_MM_SEG(s)  ((mm_segment_t) { (s) })
 11 
 12 /*
 13  * The fs value determines whether argument validity checking should be
 14  * performed or not.  If get_fs() == USER_DS, checking is performed, with
 15  * get_fs() == KERNEL_DS, checking is bypassed.
 16  *
 17  * For historical reasons, these macros are grossly misnamed.
 18  */
 19 #define KERNEL_DS       MAKE_MM_SEG(0xFFFFFFFFUL)
 20 #ifdef CONFIG_MMU
 21 #define USER_DS         MAKE_MM_SEG(PAGE_OFFSET)
 22 #else
 23 #define USER_DS         KERNEL_DS
 24 #endif
 25 
 26 #define segment_eq(a,b) ((a).seg == (b).seg)
 27 
 28 #define get_ds()        (KERNEL_DS)
 29 
 30 #define get_fs()        (current_thread_info()->addr_limit)
 31 #define set_fs(x)       (current_thread_info()->addr_limit = (x))
 32 
 33 #endif /* __ASSEMBLY__ */
 34 #endif /* __ASM_SH_SEGMENT_H */
 35 

~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

kernel.org | git.kernel.org | LWN.net | Project Home | Wiki (Japanese) | Wiki (English) | SVN repository | Mail admin

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

osdn.jp