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f1600.s
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f1600.s
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#Keccak f-1600 for MIPS64, big-endian
.text
.globl f1600
.ent f1600
.macro CHI_BLOCK VAL_0 VAL_1 VAL_2 VAL_3 VAL_4
/* scratch: a0, a1 */
move $a0, \VAL_0
not $a1, \VAL_1
and $a1, $a1, \VAL_2
xor \VAL_0, \VAL_0, $a1
sd \VAL_1,0($sp)
not $a1, \VAL_2
and $a1, $a1, \VAL_3
xor \VAL_1, \VAL_1, $a1
not $a1, \VAL_3
and $a1, $a1, \VAL_4
xor \VAL_2, \VAL_2, $a1
not $a1, \VAL_4
and $a1, $a1, $a0
xor \VAL_3, \VAL_3, $a1
ld $a1,0($sp)
not $a0, $a0
and $a0, $a0, $a1
xor \VAL_4, \VAL_4, $a0
.endm
.macro APPLY_ROUND_CONSTANT TMP DST CONSTANT
ld \TMP, \CONSTANT
xor \DST, \DST, \TMP
.endm
.macro GEN_D DST REG_0 REG_1
drol \DST,\REG_0,1
xor \DST,\DST,\REG_1
.endm
.macro DO_BC DST REG_0 REG_1 REG_2 REG_3 REG_4
xor \DST,\REG_0,\REG_1
xor \DST,\DST,\REG_2
xor \DST,\DST,\REG_3
xor \DST,\DST,\REG_4
.endm
.macro PREPARE_STACK
daddiu $sp,$sp,-160
sd $s0,72($sp)
sd $s1,80($sp)
sd $s2,88($sp)
sd $s3,96($sp)
sd $s4,104($sp)
sd $s5,112($sp)
sd $s6,120($sp)
sd $s7,128($sp)
sd $s8,136($sp)
sd $ra,144($sp)
sd $gp,152($sp)
.endm
.macro RESTORE_STACK
ld $gp,152($sp)
ld $ra,144($sp)
ld $s8,136($sp)
ld $s7,128($sp)
ld $s6,120($sp)
ld $s5,112($sp)
ld $s4,104($sp)
ld $s3,96($sp)
ld $s2,88($sp)
ld $s1,80($sp)
ld $s0,72($sp)
daddiu $sp,$sp,160
.endm
.macro LOAD_STATE
ld $s0,0($a0) #Aba, 1
ld $t4,8($a0) #Abe, 2
ld $v0,16($a0) #Abi, 3
ld $s6,24($a0) #Abo, 4
ld $t0,32($a0) #Abu, 5
ld $a3,40($a0) #Aga, 6
ld $s2,48($a0) #Age, 7
ld $t7,56($a0) #Agi, 8
ld $v1,64($a0) #Ago, 9
ld $s5,72($a0) #Agu, 10
ld $t8,80($a0) #Aka, 11
ld $gp,88($a0) #Ake, 12
ld $s1,96($a0) #Aki, 13
ld $t6,104($a0) #Ako, 14
ld $t2,112($a0) #Aku, 15
ld $t1,120($a0) #Ama, 16
ld $s7,128($a0) #Ame, 17
ld $a2,136($a0) #Ami, 18
ld $t9,144($a0) #Amo, 19
ld $t3,152($a0) #Amu, 20
ld $t5,160($a0) #Asa, 21
ld $s3,168($a0) #Ase, 22
ld $s4,176($a0) #Asi, 23
ld $s8,184($a0) #Aso, 24
ld $ra,192($a0) #Asu, 25
.endm
.macro SAVE_STATE
sd $s0,0($a0)
sd $t4,8($a0)
sd $v0,16($a0)
sd $s6,24($a0)
sd $t0,32($a0)
sd $a3,40($a0)
sd $s2,48($a0)
sd $t7,56($a0)
sd $v1,64($a0)
sd $s5,72($a0)
sd $t8,80($a0)
sd $gp,88($a0)
sd $s1,96($a0)
sd $t6,104($a0)
sd $t2,112($a0)
sd $t1,120($a0)
sd $s7,128($a0)
sd $a2,136($a0)
sd $t9,144($a0)
sd $t3,152($a0)
sd $t5,160($a0)
sd $s3,168($a0)
sd $s4,176($a0)
sd $s8,184($a0)
sd $ra,192($a0)
.endm
.macro ROUND
/* scratch: a1 */
sd $v0,0($sp) /* Abi */
sd $v1,8($sp) /* Ago */
sd $s8,16($sp) /* Aso */
sd $s1,24($sp) /* Aki */
sd $a2,32($sp) /* Ami */
DO_BC $a1 $a3 $s0 $t8 $t1 $t5 /* a1 = bca = Aga, Aba, Aka, Ama, Asa */
DO_BC $s8 $t7 $v0 $s1 $a2 $s4 /* s8 = bci = Agi, Abi, Aki, Ami, Asi */
DO_BC $a2 $s2 $t4 $gp $s7 $s3 /* a2 = bce = Age, Abe, Ake, Ame, Ase */
ld $v0,8($sp) /* Ago */
ld $s1,16($sp) /* Aso */
DO_BC $v1 $v0 $s6 $t6 $t9 $s1 /* v1 = bco = Ago, Abo, Ako, Amo, Aso */
DO_BC $v0 $s5 $t0 $t2 $t3 $ra /* v0 = bcu = Agu, Abu, Aku, Amu, Asu */
GEN_D $a0 $a2 $v0 /* da */
GEN_D $v0,$v0,$s8 /* do */
GEN_D $s8,$s8,$a1 /* de */
GEN_D $a1,$a1,$v1 /* du */
GEN_D $v1,$v1,$a2 /* di */
/* APPLY THETA, scratch: a2 */
xor $s0,$a0,$s0 #bca0
xor $t1,$a0,$t1 #bco04
sd $t1,40($sp) #s8 = bco4
xor $t1,$a1,$t0 #bca3
xor $t0,$a1,$ra #bcu0
xor $ra,$s8,$s3 #ra = t1(s3) bcu4
ld $s3,8($sp)
xor $s3,$v0,$s3 #bce4
xor $s1,$v0,$t6 #bci2
xor $t6,$a1,$t3 #bco2
ld $t3,16($sp) /* aso */
xor $t3,$v0,$t3 /* t3 = s8 */
sd $t7,48($sp)
xor $t7,$a0,$t8 #bci1
xor $t8,$s8,$t4 # bca2
xor $t4,$s8,$s2 # bce0
xor $s2,$a1,$s5 #bce1
xor $s5,$v1,$s4 #bcu1
xor $s4,$a1,$t2 # BCI4 a2 = t2
xor $t2,$a0,$t5 #bcu2
sd $a3,56($sp)
xor $a3,$v0,$s6 #bca1
xor $s6,$v0,$t9 #bco0
ld $t9,32($sp) /* Ami */
xor $t9,$v1,$t9
ld $v0,0($sp) /* t7 */
xor $t5,$v1,$v0 #bca4
xor $a2,$s8,$gp
ld $v0,48($sp) /* t7 */
xor $gp,$v1,$v0 #bce2, v0 = t7
ld $v0,24($sp) /* s1 */
xor $v0,$v1,$v0 #bci0
xor $v1,$s8,$s7 #bco1
ld $s7,56($sp)
xor $s7,$a0,$s7 #bce3 a2 = a3
ld $s8,40($sp) #s8 = bco4
/* RHO - CHI */
/* aba, bca_0 s0 */
drol $t4,$t4,44 /* age, bce_0 */
drol $v0,$v0,43 /* aki, bci_0 */
drol $s6,$s6,21 /* amo, bco_0 */
drol $t0,$t0,14 /* asu, bcu_0 */
CHI_BLOCK $s0 $t4 $v0 $s6 $t0
drol $a3,$a3,28 /* abo, bca_1 */
drol $s2,$s2,20 /* agu, bce_1 */
drol $t7,$t7,3 /* aka, bci_1 */
drol $v1,$v1,45 /* ame, bco_1 */
drol $s5,$s5,61 /* asi, bcu_1 */
CHI_BLOCK $a3 $s2 $t7 $v1 $s5
drol $t8,$t8,1 /* abe, bca_2 */
drol $gp,$gp,6 /* agi, bce_2 */
drol $s1,$s1,25 /* ako, bci_2 */
drol $t6,$t6,8 /* amu, bco_2 */
drol $t2,$t2,18 /* asa, bcu_2 */
CHI_BLOCK $t8 $gp $s1 $t6 $t2
drol $t1,$t1,27 /* abu, bca_3 */
drol $s7, $s7, 36 /* aga, bce_3 */
drol $a2,$a2,10 /* ake, bci_3 */
drol $t9,$t9,15 /* ami, bco_3 */
drol $t3,$t3,56 /* aso, bcu_3 */
CHI_BLOCK $t1 $s7 $a2 $t9 $t3
drol $t5,$t5,62 /* abi, bca_4 */
drol $s3,$s3,55 /* ago, bce_4 */
drol $s4,$s4,39 /* aku, bci_4 */
drol $s8,$s8,41 /* ama, bco_4 */
drol $ra,$ra,2 /* ase, bcu_4 */
CHI_BLOCK $t5 $s3 $s4 $s8 $ra
.endm
f1600:
PREPARE_STACK
LOAD_STATE
sd $a0,64($sp) /* save state */
ROUND
xori $s0, $s0, 0x1
ROUND
xori $s0, $s0, 0x8082
ROUND
APPLY_ROUND_CONSTANT $a1 $s0 round_constant_3
ROUND
APPLY_ROUND_CONSTANT $a1 $s0 round_constant_4
ROUND
xori $s0, $s0, 0x808b
ROUND
APPLY_ROUND_CONSTANT $a1 $s0 round_constant_6
ROUND
APPLY_ROUND_CONSTANT $a1 $s0 round_constant_7
ROUND
APPLY_ROUND_CONSTANT $a1 $s0 round_constant_8
ROUND
xori $s0, $s0, 0x8a
ROUND
xori $s0, $s0, 0x88
ROUND
APPLY_ROUND_CONSTANT $a1 $s0 round_constant_11
ROUND
APPLY_ROUND_CONSTANT $a1 $s0 round_constant_12
ROUND
APPLY_ROUND_CONSTANT $a1 $s0 round_constant_13
ROUND
APPLY_ROUND_CONSTANT $a1 $s0 round_constant_14
ROUND
APPLY_ROUND_CONSTANT $a1 $s0 round_constant_15
ROUND
APPLY_ROUND_CONSTANT $a1 $s0 round_constant_16
ROUND
APPLY_ROUND_CONSTANT $a1 $s0 round_constant_17
ROUND
APPLY_ROUND_CONSTANT $a1 $s0 round_constant_18
ROUND
xori $s0, $s0, 0x800a
ROUND
APPLY_ROUND_CONSTANT $a1 $s0 round_constant_20
ROUND
APPLY_ROUND_CONSTANT $a1 $s0 round_constant_21
ROUND
APPLY_ROUND_CONSTANT $a1 $s0 round_constant_22
ROUND
APPLY_ROUND_CONSTANT $a1 $s0 round_constant_23
ROUND
APPLY_ROUND_CONSTANT $a1 $s0 round_constant_24
ld $a0,64($sp) /* state */
SAVE_STATE
RESTORE_STACK
jr $ra
.end f1600
.align 8
round_constant_3:
.quad 0x800000000000808a
round_constant_4:
.quad 0x8000000080008000
round_constant_6:
.quad 0x0000000080000001
round_constant_7:
.quad 0x8000000080008081
round_constant_8:
.quad 0x8000000000008009
round_constant_10:
.quad 0x0000000000000088
round_constant_11:
.quad 0x0000000080008009
round_constant_12:
.quad 0x000000008000000a
round_constant_13:
.quad 0x000000008000808b
round_constant_14:
.quad 0x800000000000008b
round_constant_15:
.quad 0x8000000000008089
round_constant_16:
.quad 0x8000000000008003
round_constant_17:
.quad 0x8000000000008002
round_constant_18:
.quad 0x8000000000000080
round_constant_19:
.quad 0x000000000000800a
round_constant_20:
.quad 0x800000008000000a
round_constant_21:
.quad 0x8000000080008081
round_constant_22:
.quad 0x8000000000008080
round_constant_23:
.quad 0x0000000080000001
round_constant_24:
.quad 0x8000000080008008