1/*
2 * Copyright 2012-2021 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 OSSL_CRYPTO_SPARC_ARCH_H
11# define OSSL_CRYPTO_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# ifndef __ASSEMBLER__
119extern unsigned int OPENSSL_sparcv9cap_P[2];
120# endif
121
122#endif                          /* OSSL_CRYPTO_SPARC_ARCH_H */
123