Commit 2404dc8d authored by Niels Möller's avatar Niels Möller

New file, with first attempt at md5 assembler. Not yet working.

Rev: src/nettle/x86/md5-compress.asm:1.2
parent 5b08a11a
......@@ -22,8 +22,161 @@ define(<SA>,<%eax>)
define(<SB>,<%ebx>)
define(<SC>,<%ecx>)
define(<SD>,<%edx>)
define(<TMP>,<%ebp>)
define(<TMP2>,<%edi>)
define(<INPUT>,<%esi>)
define(<DATA>,<%esp>)
C %ebp, %edi and %esi available for temporaries
C F1(x,y,z) = (z ^ x) & (y ^ z)
define(<F1>, <
movl $3, TMP2
movl $3, TMP
xorl $1, TMP2
xorl $2, TMP
andl TMP, TMP>)
define(<F2>,<F1($3, $1, $2)>)
C F3(x,y,z) = x ^ y ^ z
define(<F3>,<
movl $1, TMP
xorl $2, TMP
xorl $3, TMP>)
C F4(x,y,z) = y ^ (x | ~z)
define(<F4>,<
movl $3, TMP
notl TMP
orl $1, TMP
xorl $2, TMP>)
define(<COPY>,<
movl OFFSET($1)(INPUT), TMP
movl TMP, OFFSET($1)(DATA)
>)
define(<REF>,<OFFSET(eval(4 * $1))(DATA)>)
C ROUND(f, w, x, y, z, k, data, s):
C w += f(x,y,z) + data + k
C w <<< s
C w += x
define(<ROUND>,<
addl $7, $2
$1($3, $4, $5)
addl $6, $2
addl TMP, $2
roll <$>$8, $2
addl $3, $2>)
.file "md5-compress.asm"
C _nettle_md5_compress(uint32_t *state, uint8_t *data)
.text
.align 16
PROLOGUE(_nettle_md5_compress)
C save all registers that need to be saved
pushl %ebx C 76(%esp)
pushl %ebp C 72(%esp)
pushl %esi C 68(%esp)
pushl %edi C 64(%esp)
subl $64, %esp C %esp = W
C load the state vector
movl 84(%esp),TMP
movl (TMP), SA
movl 4(TMP), SB
movl 8(TMP), SC
movl 12(TMP), SD
C Pointer to source data. We copy it to aligned storage
C at %esp when we first use it.
movl 88(%esp), INPUT
COPY( 0) ROUND(<F1>, SA, SB, SC, SD, TMP, $0xd76aa478, 7)
COPY( 1) ROUND(<F1>, SD, SA, SB, SC, TMP, $0xe8c7b756, 12)
COPY( 2) ROUND(<F1>, SC, SD, SA, SB, TMP, $0x242070db, 17)
COPY( 3) ROUND(<F1>, SB, SC, SD, SA, TMP, $0xc1bdceee, 22)
COPY( 4) ROUND(<F1>, SA, SB, SC, SD, TMP, $0xf57c0faf, 7)
COPY( 5) ROUND(<F1>, SD, SA, SB, SC, TMP, $0x4787c62a, 12)
COPY( 6) ROUND(<F1>, SC, SD, SA, SB, TMP, $0xa8304613, 17)
COPY( 7) ROUND(<F1>, SB, SC, SD, SA, TMP, $0xfd469501, 22)
COPY( 8) ROUND(<F1>, SA, SB, SC, SD, TMP, $0x698098d8, 7)
COPY( 9) ROUND(<F1>, SD, SA, SB, SC, TMP, $0x8b44f7af, 12)
COPY(10) ROUND(<F1>, SC, SD, SA, SB, TMP, $0xffff5bb1, 17)
COPY(11) ROUND(<F1>, SB, SC, SD, SA, TMP, $0x895cd7be, 22)
COPY(12) ROUND(<F1>, SA, SB, SC, SD, TMP, $0x6b901122, 7)
COPY(13) ROUND(<F1>, SD, SA, SB, SC, TMP, $0xfd987193, 12)
COPY(14) ROUND(<F1>, SC, SD, SA, SB, TMP, $0xa679438e, 17)
COPY(15) ROUND(<F1>, SB, SC, SD, SA, TMP, $0x49b40821, 22)
ROUND(<F2>, SA, SB, SC, SD, REF( 1), $0xf61e2562, 5)
ROUND(<F2>, SD, SA, SB, SC, REF( 6), $0xc040b340, 9)
ROUND(<F2>, SC, SD, SA, SB, REF(11), $0x265e5a51, 14)
ROUND(<F2>, SB, SC, SD, SA, REF( 0), $0xe9b6c7aa, 20)
ROUND(<F2>, SA, SB, SC, SD, REF( 5), $0xd62f105d, 5)
ROUND(<F2>, SD, SA, SB, SC, REF(10), $0x02441453, 9)
ROUND(<F2>, SC, SD, SA, SB, REF(15), $0xd8a1e681, 14)
ROUND(<F2>, SB, SC, SD, SA, REF( 4), $0xe7d3fbc8, 20)
ROUND(<F2>, SA, SB, SC, SD, REF( 9), $0x21e1cde6, 5)
ROUND(<F2>, SD, SA, SB, SC, REF(14), $0xc33707d6, 9)
ROUND(<F2>, SC, SD, SA, SB, REF( 3), $0xf4d50d87, 14)
ROUND(<F2>, SB, SC, SD, SA, REF( 8), $0x455a14ed, 20)
ROUND(<F2>, SA, SB, SC, SD, REF(13), $0xa9e3e905, 5)
ROUND(<F2>, SD, SA, SB, SC, REF( 2), $0xfcefa3f8, 9)
ROUND(<F2>, SC, SD, SA, SB, REF( 7), $0x676f02d9, 14)
ROUND(<F2>, SB, SC, SD, SA, REF(12), $0x8d2a4c8a, 20)
ROUND(<F3>, SA, SB, SC, SD, REF( 5), $0xfffa3942, 4)
ROUND(<F3>, SD, SA, SB, SC, REF( 8), $0x8771f681, 11)
ROUND(<F3>, SC, SD, SA, SB, REF(11), $0x6d9d6122, 16)
ROUND(<F3>, SB, SC, SD, SA, REF(14), $0xfde5380c, 23)
ROUND(<F3>, SA, SB, SC, SD, REF( 1), $0xa4beea44, 4)
ROUND(<F3>, SD, SA, SB, SC, REF( 4), $0x4bdecfa9, 11)
ROUND(<F3>, SC, SD, SA, SB, REF( 7), $0xf6bb4b60, 16)
ROUND(<F3>, SB, SC, SD, SA, REF(10), $0xbebfbc70, 23)
ROUND(<F3>, SA, SB, SC, SD, REF(13), $0x289b7ec6, 4)
ROUND(<F3>, SD, SA, SB, SC, REF( 0), $0xeaa127fa, 11)
ROUND(<F3>, SC, SD, SA, SB, REF( 3), $0xd4ef3085, 16)
ROUND(<F3>, SB, SC, SD, SA, REF( 6), $0x04881d05, 23)
ROUND(<F3>, SA, SB, SC, SD, REF( 9), $0xd9d4d039, 4)
ROUND(<F3>, SD, SA, SB, SC, REF(12), $0xe6db99e5, 11)
ROUND(<F3>, SC, SD, SA, SB, REF(15), $0x1fa27cf8, 16)
ROUND(<F3>, SB, SC, SD, SA, REF( 2), $0xc4ac5665, 23)
ROUND(<F4>, SA, SB, SC, SD, REF( 0), $0xf4292244, 6)
ROUND(<F4>, SD, SA, SB, SC, REF( 7), $0x432aff97, 10)
ROUND(<F4>, SC, SD, SA, SB, REF(14), $0xab9423a7, 15)
ROUND(<F4>, SB, SC, SD, SA, REF( 5), $0xfc93a039, 21)
ROUND(<F4>, SA, SB, SC, SD, REF(12), $0x655b59c3, 6)
ROUND(<F4>, SD, SA, SB, SC, REF( 3), $0x8f0ccc92, 10)
ROUND(<F4>, SC, SD, SA, SB, REF(10), $0xffeff47d, 15)
ROUND(<F4>, SB, SC, SD, SA, REF( 1), $0x85845dd1, 21)
ROUND(<F4>, SA, SB, SC, SD, REF( 8), $0x6fa87e4f, 6)
ROUND(<F4>, SD, SA, SB, SC, REF(15), $0xfe2ce6e0, 10)
ROUND(<F4>, SC, SD, SA, SB, REF( 6), $0xa3014314, 15)
ROUND(<F4>, SB, SC, SD, SA, REF(13), $0x4e0811a1, 21)
ROUND(<F4>, SA, SB, SC, SD, REF( 4), $0xf7537e82, 6)
ROUND(<F4>, SD, SA, SB, SC, REF(11), $0xbd3af235, 10)
ROUND(<F4>, SC, SD, SA, SB, REF( 2), $0x2ad7d2bb, 15)
ROUND(<F4>, SB, SC, SD, SA, REF( 9), $0xeb86d391, 21)
C Update the state vector
movl 84(%esp),TMP
addl SA, (TMP)
addl SB, 4(TMP)
addl SC, 8(TMP)
addl SD, 12(TMP)
addl $64, %esp
popl %edi
popl %esi
popl %ebp
popl %ebx
ret
EPILOGUE(_nettle_sha1_compress)
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