New file.

Rev: src/nettle/sparc/aes-encrypt-internal.asm:1.1

sparc/aes-encrypt-internal.asm

+C -*- mode: asm; asm-comment-char: ?C; -*-  
+C nettle, low-level cryptographics library
+C 
+C Copyright (C) 2002, 2005 Niels Mller
+C  
+C The nettle library is free software; you can redistribute it and/or modify
+C it under the terms of the GNU Lesser General Public License as published by
+C the Free Software Foundation; either version 2.1 of the License, or (at your
+C option) any later version.
+C 
+C The nettle library is distributed in the hope that it will be useful, but
+C WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+C or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
+C License for more details.
+C 
+C You should have received a copy of the GNU Lesser General Public License
+C along with the nettle library; see the file COPYING.LIB.  If not, write to
+C the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+C MA 02111-1307, USA.
+
+
+C Arguments
+define(CTX,	%i0)
+define(T,	%i1)
+define(LENGTH,	%i2)
+define(DST,	%i3)
+define(SRC,	%i4)
+
+C AES state, two copies for unrolling
+
+define(W0,	%l0)
+define(W1,	%l1)
+define(W2,	%l2)
+define(W3,	%l3)
+
+define(T0,	%l4)
+define(T1,	%l5)
+define(T2,	%l6)
+define(T3,	%l7)
+
+C Registers %g1-%g3 and %o0 - %o5 are free to use.
+
+C The sparc32 stack frame looks like
+C
+C %fp -   4: OS-dependent link field
+C %fp -   8: OS-dependent link field
+C %fp -  24: tmp, uint32_t[4]
+C %fp -  40: wtxt, uint32_t[4]
+C %fp - 136: OS register save area. 
+define(<FRAME_SIZE>, 136)
+
+	.section	".text"
+	.align 16
+	.proc	020
+	
+PROLOGUE(_nettle_aes_encrypt)
+
+	save	%sp, -FRAME_SIZE, %sp
+	cmp	length, 0
+	be	.Lend
+
+.Lblock_loop:
+	C  Read src, and add initial subkey
+
+.Lend:
+	ret
+	restore
+EPILOGUE(_nettle_aes_encrypt)