arch/sh/include/uapi/asm/cpu-features.h

   1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2 #ifndef __ASM_SH_CPU_FEATURES_H
   3 #define __ASM_SH_CPU_FEATURES_H
   4
   5 /*
   6  * Processor flags
   7  *
   8  * Note: When adding a new flag, keep cpu_flags[] in
   9  * arch/sh/kernel/setup.c in sync so symbolic name
  10  * mapping of the processor flags has a chance of being
  11  * reasonably accurate.
  12  *
  13  * These flags are also available through the ELF
  14  * auxiliary vector as AT_HWCAP.
  15  */
  16 #define CPU_HAS_FPU             0x0001  /* Hardware FPU support */
  17 #define CPU_HAS_P2_FLUSH_BUG    0x0002  /* Need to flush the cache in P2 area */
  18 #define CPU_HAS_MMU_PAGE_ASSOC  0x0004  /* SH3: TLB way selection bit support */
  19 #define CPU_HAS_DSP             0x0008  /* SH-DSP: DSP support */
  20 #define CPU_HAS_PERF_COUNTER    0x0010  /* Hardware performance counters */
  21 #define CPU_HAS_PTEA            0x0020  /* PTEA register */
  22 #define CPU_HAS_LLSC            0x0040  /* movli.l/movco.l */
  23 #define CPU_HAS_L2_CACHE        0x0080  /* Secondary cache / URAM */
  24 #define CPU_HAS_OP32            0x0100  /* 32-bit instruction support */
  25 #define CPU_HAS_PTEAEX          0x0200  /* PTE ASID Extension support */
  26 #define CPU_HAS_CAS_L           0x0400  /* cas.l atomic compare-and-swap */
  27
  28 #endif /* __ASM_SH_CPU_FEATURES_H */