crypto/sparc_arch.h

   1 /*
   2  * Copyright 2012-2016 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the Apache License 2.0 (the "License").  You may not use
   5  * this file except in compliance with the License.  You can obtain a copy
   6  * in the file LICENSE in the source distribution or at
   7  * https://www.openssl.org/source/license.html
   8  */
   9
  10 #ifndef __SPARC_ARCH_H__
  11 # define __SPARC_ARCH_H__
  12
  13 # define SPARCV9_TICK_PRIVILEGED (1<<0)
  14 # define SPARCV9_PREFER_FPU      (1<<1)
  15 # define SPARCV9_VIS1            (1<<2)
  16 # define SPARCV9_VIS2            (1<<3)/* reserved */
  17 # define SPARCV9_FMADD           (1<<4)
  18 # define SPARCV9_BLK             (1<<5)/* VIS1 block copy */
  19 # define SPARCV9_VIS3            (1<<6)
  20 # define SPARCV9_RANDOM          (1<<7)
  21 # define SPARCV9_64BIT_STACK     (1<<8)
  22 # define SPARCV9_FJAESX          (1<<9)/* Fujitsu SPARC64 X AES */
  23 # define SPARCV9_FJDESX          (1<<10)/* Fujitsu SPARC64 X DES, reserved */
  24 # define SPARCV9_FJHPCACE        (1<<11)/* Fujitsu HPC-ACE, reserved */
  25 # define SPARCV9_IMA             (1<<13)/* reserved */
  26 # define SPARCV9_VIS4            (1<<14)/* reserved */
  27
  28 /*
  29  * OPENSSL_sparcv9cap_P[1] is copy of Compatibility Feature Register,
  30  * %asr26, SPARC-T4 and later. There is no SPARCV9_CFR bit in
  31  * OPENSSL_sparcv9cap_P[0], as %cfr copy is sufficient...
  32  */
  33 # define CFR_AES         0x00000001/* Supports AES opcodes */
  34 # define CFR_DES         0x00000002/* Supports DES opcodes */
  35 # define CFR_KASUMI      0x00000004/* Supports KASUMI opcodes */
  36 # define CFR_CAMELLIA    0x00000008/* Supports CAMELLIA opcodes */
  37 # define CFR_MD5         0x00000010/* Supports MD5 opcodes */
  38 # define CFR_SHA1        0x00000020/* Supports SHA1 opcodes */
  39 # define CFR_SHA256      0x00000040/* Supports SHA256 opcodes */
  40 # define CFR_SHA512      0x00000080/* Supports SHA512 opcodes */
  41 # define CFR_MPMUL       0x00000100/* Supports MPMUL opcodes */
  42 # define CFR_MONTMUL     0x00000200/* Supports MONTMUL opcodes */
  43 # define CFR_MONTSQR     0x00000400/* Supports MONTSQR opcodes */
  44 # define CFR_CRC32C      0x00000800/* Supports CRC32C opcodes */
  45 # define CFR_XMPMUL      0x00001000/* Supports XMPMUL opcodes */
  46 # define CFR_XMONTMUL    0x00002000/* Supports XMONTMUL opcodes */
  47 # define CFR_XMONTSQR    0x00004000/* Supports XMONTSQR opcodes */
  48
  49 # if defined(OPENSSL_PIC) && !defined(__PIC__)
  50 #  define __PIC__
  51 # endif
  52
  53 # if defined(__SUNPRO_C) && defined(__sparcv9) && !defined(__arch64__)
  54 #  define __arch64__
  55 # endif
  56
  57 # define SPARC_PIC_THUNK(reg)    \
  58         .align  32;             \
  59 .Lpic_thunk:                    \
  60         jmp     %o7 + 8;        \
  61          add    %o7, reg, reg;
  62
  63 # define SPARC_PIC_THUNK_CALL(reg)                       \
  64         sethi   %hi(_GLOBAL_OFFSET_TABLE_-4), reg;      \
  65         call    .Lpic_thunk;                            \
  66          or     reg, %lo(_GLOBAL_OFFSET_TABLE_+4), reg;
  67
  68 # if 1
  69 #  define SPARC_SETUP_GOT_REG(reg)       SPARC_PIC_THUNK_CALL(reg)
  70 # else
  71 #  define SPARC_SETUP_GOT_REG(reg)       \
  72         sethi   %hi(_GLOBAL_OFFSET_TABLE_-4), reg;      \
  73         call    .+8;                                    \
  74         or      reg,%lo(_GLOBAL_OFFSET_TABLE_+4), reg;  \
  75         add     %o7, reg, reg
  76 # endif
  77
  78 # if defined(__arch64__)
  79
  80 #  define SPARC_LOAD_ADDRESS(SYM, reg)   \
  81         setx    SYM, %o7, reg;
  82 #  define LDPTR          ldx
  83 #  define SIZE_T_CC      %xcc
  84 #  define STACK_FRAME    192
  85 #  define STACK_BIAS     2047
  86 #  define STACK_7thARG   (STACK_BIAS+176)
  87
  88 # else
  89
  90 #  define SPARC_LOAD_ADDRESS(SYM, reg)   \
  91         set     SYM, reg;
  92 #  define LDPTR          ld
  93 #  define SIZE_T_CC      %icc
  94 #  define STACK_FRAME    112
  95 #  define STACK_BIAS     0
  96 #  define STACK_7thARG   92
  97 #  define SPARC_LOAD_ADDRESS_LEAF(SYM,reg,tmp) SPARC_LOAD_ADDRESS(SYM,reg)
  98
  99 # endif
 100
 101 # ifdef __PIC__
 102 #  undef SPARC_LOAD_ADDRESS
 103 #  undef SPARC_LOAD_ADDRESS_LEAF
 104 #  define SPARC_LOAD_ADDRESS(SYM, reg)   \
 105         SPARC_SETUP_GOT_REG(reg);       \
 106         sethi   %hi(SYM), %o7;          \
 107         or      %o7, %lo(SYM), %o7;     \
 108         LDPTR   [reg + %o7], reg;
 109 # endif
 110
 111 # ifndef SPARC_LOAD_ADDRESS_LEAF
 112 #  define SPARC_LOAD_ADDRESS_LEAF(SYM, reg, tmp) \
 113         mov     %o7, tmp;                       \
 114         SPARC_LOAD_ADDRESS(SYM, reg)            \
 115         mov     tmp, %o7;
 116 # endif
 117
 118 #endif                          /* __SPARC_ARCH_H__ */