linux/arch/sh/include/uapi/asm/auxvec.h
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   1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2#ifndef __ASM_SH_AUXVEC_H
   3#define __ASM_SH_AUXVEC_H
   4
   5/*
   6 * Architecture-neutral AT_ values in 0-17, leave some room
   7 * for more of them.
   8 */
   9
  10/*
  11 * This entry gives some information about the FPU initialization
  12 * performed by the kernel.
  13 */
  14#define AT_FPUCW                18      /* Used FPU control word.  */
  15
  16#if defined(CONFIG_VSYSCALL) || !defined(__KERNEL__)
  17/*
  18 * Only define this in the vsyscall case, the entry point to
  19 * the vsyscall page gets placed here. The kernel will attempt
  20 * to build a gate VMA we don't care about otherwise..
  21 */
  22#define AT_SYSINFO_EHDR         33
  23#endif
  24
  25/*
  26 * More complete cache descriptions than AT_[DIU]CACHEBSIZE.  If the
  27 * value is -1, then the cache doesn't exist.  Otherwise:
  28 *
  29 *    bit 0-3:    Cache set-associativity; 0 means fully associative.
  30 *    bit 4-7:    Log2 of cacheline size.
  31 *    bit 8-31:   Size of the entire cache >> 8.
  32 */
  33#define AT_L1I_CACHESHAPE       34
  34#define AT_L1D_CACHESHAPE       35
  35#define AT_L2_CACHESHAPE        36
  36
  37#define AT_VECTOR_SIZE_ARCH 5 /* entries in ARCH_DLINFO */
  38
  39#endif /* __ASM_SH_AUXVEC_H */
  40