cpu_s390x.s raw

   1  // Copyright 2018 The Go Authors. All rights reserved.
   2  // Use of this source code is governed by a BSD-style
   3  // license that can be found in the LICENSE file.
   4  
   5  #include "textflag.h"
   6  
   7  // func stfle() facilityList
   8  TEXT ·stfle(SB), NOSPLIT|NOFRAME, $0-32
   9  	MOVD $ret+0(FP), R1
  10  	MOVD $3, R0          // last doubleword index to store
  11  	XC   $32, (R1), (R1) // clear 4 doublewords (32 bytes)
  12  	WORD $0xb2b01000     // store facility list extended (STFLE)
  13  	RET
  14  
  15  // func kmQuery() queryResult
  16  TEXT ·kmQuery(SB), NOSPLIT|NOFRAME, $0-16
  17  	MOVD $0, R0         // set function code to 0 (KM-Query)
  18  	MOVD $ret+0(FP), R1 // address of 16-byte return value
  19  	KM   R2, R4         // cipher message (KM)
  20  	RET
  21  
  22  // func kmcQuery() queryResult
  23  TEXT ·kmcQuery(SB), NOSPLIT|NOFRAME, $0-16
  24  	MOVD $0, R0         // set function code to 0 (KMC-Query)
  25  	MOVD $ret+0(FP), R1 // address of 16-byte return value
  26  	KMC  R2, R4         // cipher message with chaining (KMC)
  27  	RET
  28  
  29  // func kmctrQuery() queryResult
  30  TEXT ·kmctrQuery(SB), NOSPLIT|NOFRAME, $0-16
  31  	MOVD $0, R0         // set function code to 0 (KMCTR-Query)
  32  	MOVD $ret+0(FP), R1 // address of 16-byte return value
  33  	KMCTR R2, R4, R4    // cipher message with counter (KMCTR)
  34  	RET
  35  
  36  // func kmaQuery() queryResult
  37  TEXT ·kmaQuery(SB), NOSPLIT|NOFRAME, $0-16
  38  	MOVD $0, R0         // set function code to 0 (KMA-Query)
  39  	MOVD $ret+0(FP), R1 // address of 16-byte return value
  40  	KMA  R2, R6, R4     // cipher message with authentication (KMA)
  41  	RET
  42  
  43  // func kimdQuery() queryResult
  44  TEXT ·kimdQuery(SB), NOSPLIT|NOFRAME, $0-16
  45  	MOVD $0, R0         // set function code to 0 (KIMD-Query)
  46  	MOVD $ret+0(FP), R1 // address of 16-byte return value
  47  	KIMD R2, R4         // compute intermediate message digest (KIMD)
  48  	RET
  49  
  50  // func klmdQuery() queryResult
  51  TEXT ·klmdQuery(SB), NOSPLIT|NOFRAME, $0-16
  52  	MOVD $0, R0         // set function code to 0 (KLMD-Query)
  53  	MOVD $ret+0(FP), R1 // address of 16-byte return value
  54  	KLMD R2, R4         // compute last message digest (KLMD)
  55  	RET
  56  
  57  // func kdsaQuery() queryResult
  58  TEXT ·kdsaQuery(SB), NOSPLIT|NOFRAME, $0-16
  59  	MOVD $0, R0         // set function code to 0 (KLMD-Query)
  60  	MOVD $ret+0(FP), R1 // address of 16-byte return value
  61  	KDSA R0, R4      // compute digital signature authentication
  62  	RET
  63  
  64