components/openssl/openssl-1.0.0/engines/t4/t4_sha1.S
changeset 1158 227137d9fbce
parent 1157 65a016eaa866
child 1159 24e95e0bf738
equal deleted inserted replaced
1157:65a016eaa866 1158:227137d9fbce
     1 /*
       
     2  * ====================================================================
       
     3  * Copyright (c) 1998-2011 The OpenSSL Project.  All rights reserved.
       
     4  *
       
     5  * Redistribution and use in source and binary forms, with or without
       
     6  * modification, are permitted provided that the following conditions
       
     7  * are met:
       
     8  *
       
     9  * 1. Redistributions of source code must retain the above copyright
       
    10  *    notice, this list of conditions and the following disclaimer.
       
    11  *
       
    12  * 2. Redistributions in binary form must reproduce the above copyright
       
    13  *    notice, this list of conditions and the following disclaimer in
       
    14  *    the documentation and/or other materials provided with the
       
    15  *    distribution.
       
    16  *
       
    17  * 3. All advertising materials mentioning features or use of this
       
    18  *    software must display the following acknowledgment:
       
    19  *    "This product includes software developed by the OpenSSL Project
       
    20  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
       
    21  *
       
    22  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
       
    23  *    endorse or promote products derived from this software without
       
    24  *    prior written permission. For written permission, please contact
       
    25  *    [email protected].
       
    26  *
       
    27  * 5. Products derived from this software may not be called "OpenSSL"
       
    28  *    nor may "OpenSSL" appear in their names without prior written
       
    29  *    permission of the OpenSSL Project.
       
    30  *
       
    31  * 6. Redistributions of any form whatsoever must retain the following
       
    32  *    acknowledgment:
       
    33  *    "This product includes software developed by the OpenSSL Project
       
    34  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
       
    35  *
       
    36  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
       
    37  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
       
    38  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
       
    39  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
       
    40  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
       
    41  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
       
    42  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
       
    43  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
       
    44  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
       
    45  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
       
    46  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
       
    47  * OF THE POSSIBILITY OF SUCH DAMAGE.
       
    48  * ====================================================================
       
    49  */
       
    50 
       
    51 /*
       
    52  * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
       
    53  */
       
    54 
       
    55 /*LINTLIBRARY*/
       
    56 
       
    57 #if defined(lint) || defined(__lint)
       
    58 
       
    59 #include <sys/types.h>
       
    60 #include <openssl/sha.h>
       
    61 
       
    62 /*ARGSUSED*/
       
    63 void
       
    64 t4_sha1_multiblock(SHA_CTX *ctx, const void *input, size_t num)
       
    65 { return; }
       
    66 
       
    67 #else	/* lint || __lint */
       
    68 
       
    69 #include<sys/asm_linkage.h>
       
    70 
       
    71 	ENTRY(t4_sha1_multiblock)
       
    72 
       
    73 !load result from previous digest (stored in ctx)
       
    74 	ld	[%o0], %f0
       
    75 	ld	[%o0 + 0x4], %f1
       
    76 	ld	[%o0 + 0x8], %f2
       
    77 	ld	[%o0 + 0xc], %f3
       
    78 	ld	[%o0 + 0x10], %f4
       
    79 
       
    80 	and	%o1, 7, %o3
       
    81 	brnz	%o3, sha1_unaligned_input
       
    82 	nop
       
    83 
       
    84 sha1_loop:
       
    85 
       
    86 !load 64 bytes of data
       
    87 	ldd	[%o1], %f8		!load 8 bytes of data
       
    88 	ldd	[%o1 + 0x8], %f10	!load 8 bytes of data
       
    89 	ldd	[%o1 + 0x10], %f12	!load 8 bytes of data
       
    90 	ldd	[%o1 + 0x18], %f14	!load 8 bytes of data
       
    91 	ldd	[%o1 + 0x20], %f16	!load 8 bytes of data
       
    92 	ldd	[%o1 + 0x28], %f18	!load 8 bytes of data
       
    93 	ldd	[%o1 + 0x30], %f20	!load 8 bytes of data
       
    94 	ldd	[%o1 + 0x38], %f22	!load 8 bytes of data
       
    95 
       
    96 !perform crypto instruction here
       
    97 	!sha1
       
    98 	.byte	0x81, 0xb0, 0x28, 0x20
       
    99 
       
   100 	dec	%o2
       
   101 	brnz	%o2, sha1_loop
       
   102 	add	%o1, 0x40, %o1
       
   103 
       
   104 !copy digest back into ctx
       
   105 	st	%f0, [%o0]
       
   106 	st	%f1, [%o0 + 0x4]
       
   107 	st	%f2, [%o0 + 0x8]
       
   108 	st	%f3, [%o0 + 0xc]
       
   109 	retl
       
   110 	st	%f4, [%o0 + 0x10]
       
   111 
       
   112 sha1_unaligned_input:
       
   113 	alignaddr %o1, %g0, %g0		! generate %gsr
       
   114 	andn	%o1, 7, %o1
       
   115 
       
   116 sha1_unaligned_input_loop:
       
   117 	ldd	[%o1], %f8		!load 8 bytes of data
       
   118 	ldd	[%o1 + 0x8], %f10	!load 8 bytes of data
       
   119 	ldd	[%o1 + 0x10], %f12	!load 8 bytes of data
       
   120 	ldd	[%o1 + 0x18], %f14	!load 8 bytes of data
       
   121 	ldd	[%o1 + 0x20], %f16	!load 8 bytes of data
       
   122 	ldd	[%o1 + 0x28], %f18	!load 8 bytes of data
       
   123 	ldd	[%o1 + 0x30], %f20	!load 8 bytes of data
       
   124 	ldd	[%o1 + 0x38], %f22	!load 8 bytes of data
       
   125 	ldd	[%o1 + 0x40], %f24	!load 8 bytes of data
       
   126 	faligndata %f8, %f10, %f8
       
   127 	faligndata %f10, %f12, %f10
       
   128 	faligndata %f12, %f14, %f12
       
   129 	faligndata %f14, %f16, %f14
       
   130 	faligndata %f16, %f18, %f16
       
   131 	faligndata %f18, %f20, %f18
       
   132 	faligndata %f20, %f22, %f20
       
   133 	faligndata %f22, %f24, %f22
       
   134 
       
   135 !perform crypto instruction here
       
   136 	!sha1
       
   137 	.byte	0x81, 0xb0, 0x28, 0x20
       
   138 
       
   139 	dec	%o2
       
   140 	brnz	%o2, sha1_unaligned_input_loop
       
   141 	add	%o1, 0x40, %o1
       
   142 
       
   143 !copy digest back into ctx
       
   144 	st	%f0, [%o0]
       
   145 	st	%f1, [%o0 + 0x4]
       
   146 	st	%f2, [%o0 + 0x8]
       
   147 	st	%f3, [%o0 + 0xc]
       
   148 	retl
       
   149 	st	%f4, [%o0 + 0x10]
       
   150 
       
   151 	SET_SIZE(t4_sha1_multiblock)
       
   152 
       
   153 #endif  /* lint || __lint */