arch/alpha/include/uapi/asm/auxvec.h

Source file repositories/reference/linux-study-clean/arch/alpha/include/uapi/asm/auxvec.h

File Facts

System
Linux kernel
Corpus path
arch/alpha/include/uapi/asm/auxvec.h
Extension
.h
Size
774 bytes
Lines
28
Domain
Architecture Layer
Bucket
arch/alpha
Inferred role
Architecture Layer: implementation source
Status
source implementation candidate

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef __ASM_ALPHA_AUXVEC_H
#define __ASM_ALPHA_AUXVEC_H

/* Reserve these numbers for any future use of a VDSO.  */
#if 0
#define AT_SYSINFO		32
#define AT_SYSINFO_EHDR		33
#endif

/* More complete cache descriptions than AT_[DIU]CACHEBSIZE.  If the
   value is -1, then the cache doesn't exist.  Otherwise:

      bit 0-3:	  Cache set-associativity; 0 means fully associative.
      bit 4-7:	  Log2 of cacheline size.
      bit 8-31:	  Size of the entire cache >> 8.
      bit 32-63:  Reserved.
*/

#define AT_L1I_CACHESHAPE	34
#define AT_L1D_CACHESHAPE	35
#define AT_L2_CACHESHAPE	36
#define AT_L3_CACHESHAPE	37

#define AT_VECTOR_SIZE_ARCH 4 /* entries in ARCH_DLINFO */

#endif /* __ASM_ALPHA_AUXVEC_H */

Annotation

Implementation Notes