arch/sparc/crypto/crc32c_asm.S

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #include <linux/linkage.h>
   3 #include <asm/visasm.h>
   4 #include <asm/asi.h>
   5
   6 #include "opcodes.h"
   7
   8 ENTRY(crc32c_sparc64)
   9         /* %o0=crc32p, %o1=data_ptr, %o2=len */
  10         VISEntryHalf
  11         lda     [%o0] ASI_PL, %f1
  12 1:      ldd     [%o1], %f2
  13         CRC32C(0,2,0)
  14         subcc   %o2, 8, %o2
  15         bne,pt  %icc, 1b
  16          add    %o1, 0x8, %o1
  17         sta     %f1, [%o0] ASI_PL
  18         VISExitHalf
  19 2:      retl
  20          nop
  21 ENDPROC(crc32c_sparc64)