*
*/
+#include "glue_helper-asm-avx.S"
+
.file "cast6-avx-x86_64-asm_64.S"
-.extern cast6_s1
-.extern cast6_s2
-.extern cast6_s3
-.extern cast6_s4
+.extern cast_s1
+.extern cast_s2
+.extern cast_s3
+.extern cast_s4
/* structure of crypto context */
#define km 0
#define kr (12*4*4)
/* s-boxes */
-#define s1 cast6_s1
-#define s2 cast6_s2
-#define s3 cast6_s3
-#define s4 cast6_s4
+#define s1 cast_s1
+#define s2 cast_s2
+#define s3 cast_s3
+#define s4 cast_s4
/**********************************************************************
8-way AVX cast6
vpunpcklqdq x3, t2, x2; \
vpunpckhqdq x3, t2, x3;
-#define inpack_blocks(in, x0, x1, x2, x3, t0, t1, t2, rmask) \
- vmovdqu (0*4*4)(in), x0; \
- vmovdqu (1*4*4)(in), x1; \
- vmovdqu (2*4*4)(in), x2; \
- vmovdqu (3*4*4)(in), x3; \
+#define inpack_blocks(x0, x1, x2, x3, t0, t1, t2, rmask) \
vpshufb rmask, x0, x0; \
vpshufb rmask, x1, x1; \
vpshufb rmask, x2, x2; \
\
transpose_4x4(x0, x1, x2, x3, t0, t1, t2)
-#define outunpack_blocks(out, x0, x1, x2, x3, t0, t1, t2, rmask) \
+#define outunpack_blocks(x0, x1, x2, x3, t0, t1, t2, rmask) \
transpose_4x4(x0, x1, x2, x3, t0, t1, t2) \
\
vpshufb rmask, x0, x0; \
vpshufb rmask, x1, x1; \
vpshufb rmask, x2, x2; \
- vpshufb rmask, x3, x3; \
- vmovdqu x0, (0*4*4)(out); \
- vmovdqu x1, (1*4*4)(out); \
- vmovdqu x2, (2*4*4)(out); \
- vmovdqu x3, (3*4*4)(out);
-
-#define outunpack_xor_blocks(out, x0, x1, x2, x3, t0, t1, t2, rmask) \
- transpose_4x4(x0, x1, x2, x3, t0, t1, t2) \
- \
- vpshufb rmask, x0, x0; \
- vpshufb rmask, x1, x1; \
- vpshufb rmask, x2, x2; \
- vpshufb rmask, x3, x3; \
- vpxor (0*4*4)(out), x0, x0; \
- vmovdqu x0, (0*4*4)(out); \
- vpxor (1*4*4)(out), x1, x1; \
- vmovdqu x1, (1*4*4)(out); \
- vpxor (2*4*4)(out), x2, x2; \
- vmovdqu x2, (2*4*4)(out); \
- vpxor (3*4*4)(out), x3, x3; \
- vmovdqu x3, (3*4*4)(out);
+ vpshufb rmask, x3, x3;
.data
.align 16
.Lbswap_mask:
.byte 3, 2, 1, 0, 7, 6, 5, 4, 11, 10, 9, 8, 15, 14, 13, 12
+.Lbswap128_mask:
+ .byte 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0
.Lrkr_enc_Q_Q_QBAR_QBAR:
.byte 0, 1, 2, 3, 4, 5, 6, 7, 11, 10, 9, 8, 15, 14, 13, 12
.Lrkr_enc_QBAR_QBAR_QBAR_QBAR:
.text
-.align 16
-.global __cast6_enc_blk_8way
-.type __cast6_enc_blk_8way,@function;
+.align 8
+.type __cast6_enc_blk8,@function;
-__cast6_enc_blk_8way:
+__cast6_enc_blk8:
/* input:
* %rdi: ctx, CTX
- * %rsi: dst
- * %rdx: src
- * %rcx: bool, if true: xor output
+ * RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2: blocks
+ * output:
+ * RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2: encrypted blocks
*/
pushq %rbp;
pushq %rbx;
- pushq %rcx;
vmovdqa .Lbswap_mask, RKM;
vmovd .Lfirst_mask, R1ST;
vmovd .L32_mask, R32;
- leaq (4*4*4)(%rdx), %rax;
- inpack_blocks(%rdx, RA1, RB1, RC1, RD1, RTMP, RX, RKRF, RKM);
- inpack_blocks(%rax, RA2, RB2, RC2, RD2, RTMP, RX, RKRF, RKM);
-
- movq %rsi, %r11;
+ inpack_blocks(RA1, RB1, RC1, RD1, RTMP, RX, RKRF, RKM);
+ inpack_blocks(RA2, RB2, RC2, RD2, RTMP, RX, RKRF, RKM);
preload_rkr(0, dummy, none);
Q(0);
QBAR(10);
QBAR(11);
- popq %rcx;
popq %rbx;
popq %rbp;
vmovdqa .Lbswap_mask, RKM;
- leaq (4*4*4)(%r11), %rax;
-
- testb %cl, %cl;
- jnz __enc_xor8;
-
- outunpack_blocks(%r11, RA1, RB1, RC1, RD1, RTMP, RX, RKRF, RKM);
- outunpack_blocks(%rax, RA2, RB2, RC2, RD2, RTMP, RX, RKRF, RKM);
-
- ret;
-__enc_xor8:
- outunpack_xor_blocks(%r11, RA1, RB1, RC1, RD1, RTMP, RX, RKRF, RKM);
- outunpack_xor_blocks(%rax, RA2, RB2, RC2, RD2, RTMP, RX, RKRF, RKM);
+ outunpack_blocks(RA1, RB1, RC1, RD1, RTMP, RX, RKRF, RKM);
+ outunpack_blocks(RA2, RB2, RC2, RD2, RTMP, RX, RKRF, RKM);
ret;
-.align 16
-.global cast6_dec_blk_8way
-.type cast6_dec_blk_8way,@function;
+.align 8
+.type __cast6_dec_blk8,@function;
-cast6_dec_blk_8way:
+__cast6_dec_blk8:
/* input:
* %rdi: ctx, CTX
- * %rsi: dst
- * %rdx: src
+ * RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2: encrypted blocks
+ * output:
+ * RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2: decrypted blocks
*/
pushq %rbp;
vmovd .Lfirst_mask, R1ST;
vmovd .L32_mask, R32;
- leaq (4*4*4)(%rdx), %rax;
- inpack_blocks(%rdx, RA1, RB1, RC1, RD1, RTMP, RX, RKRF, RKM);
- inpack_blocks(%rax, RA2, RB2, RC2, RD2, RTMP, RX, RKRF, RKM);
-
- movq %rsi, %r11;
+ inpack_blocks(RA1, RB1, RC1, RD1, RTMP, RX, RKRF, RKM);
+ inpack_blocks(RA2, RB2, RC2, RD2, RTMP, RX, RKRF, RKM);
preload_rkr(2, shuffle, .Lrkr_dec_Q_Q_Q_Q);
Q(11);
popq %rbp;
vmovdqa .Lbswap_mask, RKM;
- leaq (4*4*4)(%r11), %rax;
- outunpack_blocks(%r11, RA1, RB1, RC1, RD1, RTMP, RX, RKRF, RKM);
- outunpack_blocks(%rax, RA2, RB2, RC2, RD2, RTMP, RX, RKRF, RKM);
+ outunpack_blocks(RA1, RB1, RC1, RD1, RTMP, RX, RKRF, RKM);
+ outunpack_blocks(RA2, RB2, RC2, RD2, RTMP, RX, RKRF, RKM);
+
+ ret;
+
+.align 8
+.global cast6_ecb_enc_8way
+.type cast6_ecb_enc_8way,@function;
+
+cast6_ecb_enc_8way:
+ /* input:
+ * %rdi: ctx, CTX
+ * %rsi: dst
+ * %rdx: src
+ */
+
+ movq %rsi, %r11;
+
+ load_8way(%rdx, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2);
+
+ call __cast6_enc_blk8;
+
+ store_8way(%r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2);
+
+ ret;
+
+.align 8
+.global cast6_ecb_dec_8way
+.type cast6_ecb_dec_8way,@function;
+
+cast6_ecb_dec_8way:
+ /* input:
+ * %rdi: ctx, CTX
+ * %rsi: dst
+ * %rdx: src
+ */
+
+ movq %rsi, %r11;
+
+ load_8way(%rdx, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2);
+
+ call __cast6_dec_blk8;
+
+ store_8way(%r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2);
+
+ ret;
+
+.align 8
+.global cast6_cbc_dec_8way
+.type cast6_cbc_dec_8way,@function;
+
+cast6_cbc_dec_8way:
+ /* input:
+ * %rdi: ctx, CTX
+ * %rsi: dst
+ * %rdx: src
+ */
+
+ pushq %r12;
+
+ movq %rsi, %r11;
+ movq %rdx, %r12;
+
+ load_8way(%rdx, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2);
+
+ call __cast6_dec_blk8;
+
+ store_cbc_8way(%r12, %r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2);
+
+ popq %r12;
+
+ ret;
+
+.align 8
+.global cast6_ctr_8way
+.type cast6_ctr_8way,@function;
+
+cast6_ctr_8way:
+ /* input:
+ * %rdi: ctx, CTX
+ * %rsi: dst
+ * %rdx: src
+ * %rcx: iv (little endian, 128bit)
+ */
+
+ pushq %r12;
+
+ movq %rsi, %r11;
+ movq %rdx, %r12;
+
+ load_ctr_8way(%rcx, .Lbswap128_mask, RA1, RB1, RC1, RD1, RA2, RB2, RC2,
+ RD2, RX, RKR, RKM);
+
+ call __cast6_enc_blk8;
+
+ store_ctr_8way(%r12, %r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2);
+
+ popq %r12;
ret;
projects / cascardo / linux.git / blobdiff