--- /dev/null
+/* sha1-armv7-neon.S - ARM/NEON accelerated SHA-1 transform function
+ *
+ * Copyright © 2013-2014 Jussi Kivilinna <jussi.kivilinna@iki.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ */
+
+#include <linux/linkage.h>
+
+
+.syntax unified
+.code 32
+.fpu neon
+
+.text
+
+
+/* Context structure */
+
+#define state_h0 0
+#define state_h1 4
+#define state_h2 8
+#define state_h3 12
+#define state_h4 16
+
+
+/* Constants */
+
+#define K1 0x5A827999
+#define K2 0x6ED9EBA1
+#define K3 0x8F1BBCDC
+#define K4 0xCA62C1D6
+.align 4
+.LK_VEC:
+.LK1: .long K1, K1, K1, K1
+.LK2: .long K2, K2, K2, K2
+.LK3: .long K3, K3, K3, K3
+.LK4: .long K4, K4, K4, K4
+
+
+/* Register macros */
+
+#define RSTATE r0
+#define RDATA r1
+#define RNBLKS r2
+#define ROLDSTACK r3
+#define RWK lr
+
+#define _a r4
+#define _b r5
+#define _c r6
+#define _d r7
+#define _e r8
+
+#define RT0 r9
+#define RT1 r10
+#define RT2 r11
+#define RT3 r12
+
+#define W0 q0
+#define W1 q1
+#define W2 q2
+#define W3 q3
+#define W4 q4
+#define W5 q5
+#define W6 q6
+#define W7 q7
+
+#define tmp0 q8
+#define tmp1 q9
+#define tmp2 q10
+#define tmp3 q11
+
+#define qK1 q12
+#define qK2 q13
+#define qK3 q14
+#define qK4 q15
+
+
+/* Round function macros. */
+
+#define WK_offs(i) (((i) & 15) * 4)
+
+#define _R_F1(a,b,c,d,e,i,pre1,pre2,pre3,i16,\
+ W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
+ ldr RT3, [sp, WK_offs(i)]; \
+ pre1(i16,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28); \
+ bic RT0, d, b; \
+ add e, e, a, ror #(32 - 5); \
+ and RT1, c, b; \
+ pre2(i16,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28); \
+ add RT0, RT0, RT3; \
+ add e, e, RT1; \
+ ror b, #(32 - 30); \
+ pre3(i16,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28); \
+ add e, e, RT0;
+
+#define _R_F2(a,b,c,d,e,i,pre1,pre2,pre3,i16,\
+ W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
+ ldr RT3, [sp, WK_offs(i)]; \
+ pre1(i16,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28); \
+ eor RT0, d, b; \
+ add e, e, a, ror #(32 - 5); \
+ eor RT0, RT0, c; \
+ pre2(i16,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28); \
+ add e, e, RT3; \
+ ror b, #(32 - 30); \
+ pre3(i16,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28); \
+ add e, e, RT0; \
+
+#define _R_F3(a,b,c,d,e,i,pre1,pre2,pre3,i16,\
+ W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
+ ldr RT3, [sp, WK_offs(i)]; \
+ pre1(i16,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28); \
+ eor RT0, b, c; \
+ and RT1, b, c; \
+ add e, e, a, ror #(32 - 5); \
+ pre2(i16,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28); \
+ and RT0, RT0, d; \
+ add RT1, RT1, RT3; \
+ add e, e, RT0; \
+ ror b, #(32 - 30); \
+ pre3(i16,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28); \
+ add e, e, RT1;
+
+#define _R_F4(a,b,c,d,e,i,pre1,pre2,pre3,i16,\
+ W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
+ _R_F2(a,b,c,d,e,i,pre1,pre2,pre3,i16,\
+ W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28)
+
+#define _R(a,b,c,d,e,f,i,pre1,pre2,pre3,i16,\
+ W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
+ _R_##f(a,b,c,d,e,i,pre1,pre2,pre3,i16,\
+ W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28)
+
+#define R(a,b,c,d,e,f,i) \
+ _R_##f(a,b,c,d,e,i,dummy,dummy,dummy,i16,\
+ W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28)
+
+#define dummy(...)
+
+
+/* Input expansion macros. */
+
+/********* Precalc macros for rounds 0-15 *************************************/
+
+#define W_PRECALC_00_15() \
+ add RWK, sp, #(WK_offs(0)); \
+ \
+ vld1.32 {tmp0, tmp1}, [RDATA]!; \
+ vrev32.8 W0, tmp0; /* big => little */ \
+ vld1.32 {tmp2, tmp3}, [RDATA]!; \
+ vadd.u32 tmp0, W0, curK; \
+ vrev32.8 W7, tmp1; /* big => little */ \
+ vrev32.8 W6, tmp2; /* big => little */ \
+ vadd.u32 tmp1, W7, curK; \
+ vrev32.8 W5, tmp3; /* big => little */ \
+ vadd.u32 tmp2, W6, curK; \
+ vst1.32 {tmp0, tmp1}, [RWK]!; \
+ vadd.u32 tmp3, W5, curK; \
+ vst1.32 {tmp2, tmp3}, [RWK]; \
+
+#define WPRECALC_00_15_0(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
+ vld1.32 {tmp0, tmp1}, [RDATA]!; \
+
+#define WPRECALC_00_15_1(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
+ add RWK, sp, #(WK_offs(0)); \
+
+#define WPRECALC_00_15_2(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
+ vrev32.8 W0, tmp0; /* big => little */ \
+
+#define WPRECALC_00_15_3(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
+ vld1.32 {tmp2, tmp3}, [RDATA]!; \
+
+#define WPRECALC_00_15_4(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
+ vadd.u32 tmp0, W0, curK; \
+
+#define WPRECALC_00_15_5(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
+ vrev32.8 W7, tmp1; /* big => little */ \
+
+#define WPRECALC_00_15_6(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
+ vrev32.8 W6, tmp2; /* big => little */ \
+
+#define WPRECALC_00_15_7(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
+ vadd.u32 tmp1, W7, curK; \
+
+#define WPRECALC_00_15_8(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
+ vrev32.8 W5, tmp3; /* big => little */ \
+
+#define WPRECALC_00_15_9(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
+ vadd.u32 tmp2, W6, curK; \
+
+#define WPRECALC_00_15_10(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
+ vst1.32 {tmp0, tmp1}, [RWK]!; \
+
+#define WPRECALC_00_15_11(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
+ vadd.u32 tmp3, W5, curK; \
+
+#define WPRECALC_00_15_12(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
+ vst1.32 {tmp2, tmp3}, [RWK]; \
+
+
+/********* Precalc macros for rounds 16-31 ************************************/
+
+#define WPRECALC_16_31_0(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
+ veor tmp0, tmp0; \
+ vext.8 W, W_m16, W_m12, #8; \
+
+#define WPRECALC_16_31_1(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
+ add RWK, sp, #(WK_offs(i)); \
+ vext.8 tmp0, W_m04, tmp0, #4; \
+
+#define WPRECALC_16_31_2(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
+ veor tmp0, tmp0, W_m16; \
+ veor.32 W, W, W_m08; \
+
+#define WPRECALC_16_31_3(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
+ veor tmp1, tmp1; \
+ veor W, W, tmp0; \
+
+#define WPRECALC_16_31_4(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
+ vshl.u32 tmp0, W, #1; \
+
+#define WPRECALC_16_31_5(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
+ vext.8 tmp1, tmp1, W, #(16-12); \
+ vshr.u32 W, W, #31; \
+
+#define WPRECALC_16_31_6(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
+ vorr tmp0, tmp0, W; \
+ vshr.u32 W, tmp1, #30; \
+
+#define WPRECALC_16_31_7(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
+ vshl.u32 tmp1, tmp1, #2; \
+
+#define WPRECALC_16_31_8(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
+ veor tmp0, tmp0, W; \
+
+#define WPRECALC_16_31_9(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
+ veor W, tmp0, tmp1; \
+
+#define WPRECALC_16_31_10(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
+ vadd.u32 tmp0, W, curK; \
+
+#define WPRECALC_16_31_11(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
+ vst1.32 {tmp0}, [RWK];
+
+
+/********* Precalc macros for rounds 32-79 ************************************/
+
+#define WPRECALC_32_79_0(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
+ veor W, W_m28; \
+
+#define WPRECALC_32_79_1(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
+ vext.8 tmp0, W_m08, W_m04, #8; \
+
+#define WPRECALC_32_79_2(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
+ veor W, W_m16; \
+
+#define WPRECALC_32_79_3(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
+ veor W, tmp0; \
+
+#define WPRECALC_32_79_4(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
+ add RWK, sp, #(WK_offs(i&~3)); \
+
+#define WPRECALC_32_79_5(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
+ vshl.u32 tmp1, W, #2; \
+
+#define WPRECALC_32_79_6(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
+ vshr.u32 tmp0, W, #30; \
+
+#define WPRECALC_32_79_7(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
+ vorr W, tmp0, tmp1; \
+
+#define WPRECALC_32_79_8(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
+ vadd.u32 tmp0, W, curK; \
+
+#define WPRECALC_32_79_9(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
+ vst1.32 {tmp0}, [RWK];
+
+
+/*
+ * Transform nblks*64 bytes (nblks*16 32-bit words) at DATA.
+ *
+ * unsigned int
+ * sha1_transform_neon (void *ctx, const unsigned char *data,
+ * unsigned int nblks)
+ */
+.align 3
+ENTRY(sha1_transform_neon)
+ /* input:
+ * r0: ctx, CTX
+ * r1: data (64*nblks bytes)
+ * r2: nblks
+ */
+
+ cmp RNBLKS, #0;
+ beq .Ldo_nothing;
+
+ push {r4-r12, lr};
+ /*vpush {q4-q7};*/
+
+ adr RT3, .LK_VEC;
+
+ mov ROLDSTACK, sp;
+
+ /* Align stack. */
+ sub RT0, sp, #(16*4);
+ and RT0, #(~(16-1));
+ mov sp, RT0;
+
+ vld1.32 {qK1-qK2}, [RT3]!; /* Load K1,K2 */
+
+ /* Get the values of the chaining variables. */
+ ldm RSTATE, {_a-_e};
+
+ vld1.32 {qK3-qK4}, [RT3]; /* Load K3,K4 */
+
+#undef curK
+#define curK qK1
+ /* Precalc 0-15. */
+ W_PRECALC_00_15();
+
+.Loop:
+ /* Transform 0-15 + Precalc 16-31. */
+ _R( _a, _b, _c, _d, _e, F1, 0,
+ WPRECALC_16_31_0, WPRECALC_16_31_1, WPRECALC_16_31_2, 16,
+ W4, W5, W6, W7, W0, _, _, _ );
+ _R( _e, _a, _b, _c, _d, F1, 1,
+ WPRECALC_16_31_3, WPRECALC_16_31_4, WPRECALC_16_31_5, 16,
+ W4, W5, W6, W7, W0, _, _, _ );
+ _R( _d, _e, _a, _b, _c, F1, 2,
+ WPRECALC_16_31_6, WPRECALC_16_31_7, WPRECALC_16_31_8, 16,
+ W4, W5, W6, W7, W0, _, _, _ );
+ _R( _c, _d, _e, _a, _b, F1, 3,
+ WPRECALC_16_31_9, WPRECALC_16_31_10,WPRECALC_16_31_11,16,
+ W4, W5, W6, W7, W0, _, _, _ );
+
+#undef curK
+#define curK qK2
+ _R( _b, _c, _d, _e, _a, F1, 4,
+ WPRECALC_16_31_0, WPRECALC_16_31_1, WPRECALC_16_31_2, 20,
+ W3, W4, W5, W6, W7, _, _, _ );
+ _R( _a, _b, _c, _d, _e, F1, 5,
+ WPRECALC_16_31_3, WPRECALC_16_31_4, WPRECALC_16_31_5, 20,
+ W3, W4, W5, W6, W7, _, _, _ );
+ _R( _e, _a, _b, _c, _d, F1, 6,
+ WPRECALC_16_31_6, WPRECALC_16_31_7, WPRECALC_16_31_8, 20,
+ W3, W4, W5, W6, W7, _, _, _ );
+ _R( _d, _e, _a, _b, _c, F1, 7,
+ WPRECALC_16_31_9, WPRECALC_16_31_10,WPRECALC_16_31_11,20,
+ W3, W4, W5, W6, W7, _, _, _ );
+
+ _R( _c, _d, _e, _a, _b, F1, 8,
+ WPRECALC_16_31_0, WPRECALC_16_31_1, WPRECALC_16_31_2, 24,
+ W2, W3, W4, W5, W6, _, _, _ );
+ _R( _b, _c, _d, _e, _a, F1, 9,
+ WPRECALC_16_31_3, WPRECALC_16_31_4, WPRECALC_16_31_5, 24,
+ W2, W3, W4, W5, W6, _, _, _ );
+ _R( _a, _b, _c, _d, _e, F1, 10,
+ WPRECALC_16_31_6, WPRECALC_16_31_7, WPRECALC_16_31_8, 24,
+ W2, W3, W4, W5, W6, _, _, _ );
+ _R( _e, _a, _b, _c, _d, F1, 11,
+ WPRECALC_16_31_9, WPRECALC_16_31_10,WPRECALC_16_31_11,24,
+ W2, W3, W4, W5, W6, _, _, _ );
+
+ _R( _d, _e, _a, _b, _c, F1, 12,
+ WPRECALC_16_31_0, WPRECALC_16_31_1, WPRECALC_16_31_2, 28,
+ W1, W2, W3, W4, W5, _, _, _ );
+ _R( _c, _d, _e, _a, _b, F1, 13,
+ WPRECALC_16_31_3, WPRECALC_16_31_4, WPRECALC_16_31_5, 28,
+ W1, W2, W3, W4, W5, _, _, _ );
+ _R( _b, _c, _d, _e, _a, F1, 14,
+ WPRECALC_16_31_6, WPRECALC_16_31_7, WPRECALC_16_31_8, 28,
+ W1, W2, W3, W4, W5, _, _, _ );
+ _R( _a, _b, _c, _d, _e, F1, 15,
+ WPRECALC_16_31_9, WPRECALC_16_31_10,WPRECALC_16_31_11,28,
+ W1, W2, W3, W4, W5, _, _, _ );
+
+ /* Transform 16-63 + Precalc 32-79. */
+ _R( _e, _a, _b, _c, _d, F1, 16,
+ WPRECALC_32_79_0, WPRECALC_32_79_1, WPRECALC_32_79_2, 32,
+ W0, W1, W2, W3, W4, W5, W6, W7);
+ _R( _d, _e, _a, _b, _c, F1, 17,
+ WPRECALC_32_79_3, WPRECALC_32_79_4, WPRECALC_32_79_5, 32,
+ W0, W1, W2, W3, W4, W5, W6, W7);
+ _R( _c, _d, _e, _a, _b, F1, 18,
+ WPRECALC_32_79_6, dummy, WPRECALC_32_79_7, 32,
+ W0, W1, W2, W3, W4, W5, W6, W7);
+ _R( _b, _c, _d, _e, _a, F1, 19,
+ WPRECALC_32_79_8, dummy, WPRECALC_32_79_9, 32,
+ W0, W1, W2, W3, W4, W5, W6, W7);
+
+ _R( _a, _b, _c, _d, _e, F2, 20,
+ WPRECALC_32_79_0, WPRECALC_32_79_1, WPRECALC_32_79_2, 36,
+ W7, W0, W1, W2, W3, W4, W5, W6);
+ _R( _e, _a, _b, _c, _d, F2, 21,
+ WPRECALC_32_79_3, WPRECALC_32_79_4, WPRECALC_32_79_5, 36,
+ W7, W0, W1, W2, W3, W4, W5, W6);
+ _R( _d, _e, _a, _b, _c, F2, 22,
+ WPRECALC_32_79_6, dummy, WPRECALC_32_79_7, 36,
+ W7, W0, W1, W2, W3, W4, W5, W6);
+ _R( _c, _d, _e, _a, _b, F2, 23,
+ WPRECALC_32_79_8, dummy, WPRECALC_32_79_9, 36,
+ W7, W0, W1, W2, W3, W4, W5, W6);
+
+#undef curK
+#define curK qK3
+ _R( _b, _c, _d, _e, _a, F2, 24,
+ WPRECALC_32_79_0, WPRECALC_32_79_1, WPRECALC_32_79_2, 40,
+ W6, W7, W0, W1, W2, W3, W4, W5);
+ _R( _a, _b, _c, _d, _e, F2, 25,
+ WPRECALC_32_79_3, WPRECALC_32_79_4, WPRECALC_32_79_5, 40,
+ W6, W7, W0, W1, W2, W3, W4, W5);
+ _R( _e, _a, _b, _c, _d, F2, 26,
+ WPRECALC_32_79_6, dummy, WPRECALC_32_79_7, 40,
+ W6, W7, W0, W1, W2, W3, W4, W5);
+ _R( _d, _e, _a, _b, _c, F2, 27,
+ WPRECALC_32_79_8, dummy, WPRECALC_32_79_9, 40,
+ W6, W7, W0, W1, W2, W3, W4, W5);
+
+ _R( _c, _d, _e, _a, _b, F2, 28,
+ WPRECALC_32_79_0, WPRECALC_32_79_1, WPRECALC_32_79_2, 44,
+ W5, W6, W7, W0, W1, W2, W3, W4);
+ _R( _b, _c, _d, _e, _a, F2, 29,
+ WPRECALC_32_79_3, WPRECALC_32_79_4, WPRECALC_32_79_5, 44,
+ W5, W6, W7, W0, W1, W2, W3, W4);
+ _R( _a, _b, _c, _d, _e, F2, 30,
+ WPRECALC_32_79_6, dummy, WPRECALC_32_79_7, 44,
+ W5, W6, W7, W0, W1, W2, W3, W4);
+ _R( _e, _a, _b, _c, _d, F2, 31,
+ WPRECALC_32_79_8, dummy, WPRECALC_32_79_9, 44,
+ W5, W6, W7, W0, W1, W2, W3, W4);
+
+ _R( _d, _e, _a, _b, _c, F2, 32,
+ WPRECALC_32_79_0, WPRECALC_32_79_1, WPRECALC_32_79_2, 48,
+ W4, W5, W6, W7, W0, W1, W2, W3);
+ _R( _c, _d, _e, _a, _b, F2, 33,
+ WPRECALC_32_79_3, WPRECALC_32_79_4, WPRECALC_32_79_5, 48,
+ W4, W5, W6, W7, W0, W1, W2, W3);
+ _R( _b, _c, _d, _e, _a, F2, 34,
+ WPRECALC_32_79_6, dummy, WPRECALC_32_79_7, 48,
+ W4, W5, W6, W7, W0, W1, W2, W3);
+ _R( _a, _b, _c, _d, _e, F2, 35,
+ WPRECALC_32_79_8, dummy, WPRECALC_32_79_9, 48,
+ W4, W5, W6, W7, W0, W1, W2, W3);
+
+ _R( _e, _a, _b, _c, _d, F2, 36,
+ WPRECALC_32_79_0, WPRECALC_32_79_1, WPRECALC_32_79_2, 52,
+ W3, W4, W5, W6, W7, W0, W1, W2);
+ _R( _d, _e, _a, _b, _c, F2, 37,
+ WPRECALC_32_79_3, WPRECALC_32_79_4, WPRECALC_32_79_5, 52,
+ W3, W4, W5, W6, W7, W0, W1, W2);
+ _R( _c, _d, _e, _a, _b, F2, 38,
+ WPRECALC_32_79_6, dummy, WPRECALC_32_79_7, 52,
+ W3, W4, W5, W6, W7, W0, W1, W2);
+ _R( _b, _c, _d, _e, _a, F2, 39,
+ WPRECALC_32_79_8, dummy, WPRECALC_32_79_9, 52,
+ W3, W4, W5, W6, W7, W0, W1, W2);
+
+ _R( _a, _b, _c, _d, _e, F3, 40,
+ WPRECALC_32_79_0, WPRECALC_32_79_1, WPRECALC_32_79_2, 56,
+ W2, W3, W4, W5, W6, W7, W0, W1);
+ _R( _e, _a, _b, _c, _d, F3, 41,
+ WPRECALC_32_79_3, WPRECALC_32_79_4, WPRECALC_32_79_5, 56,
+ W2, W3, W4, W5, W6, W7, W0, W1);
+ _R( _d, _e, _a, _b, _c, F3, 42,
+ WPRECALC_32_79_6, dummy, WPRECALC_32_79_7, 56,
+ W2, W3, W4, W5, W6, W7, W0, W1);
+ _R( _c, _d, _e, _a, _b, F3, 43,
+ WPRECALC_32_79_8, dummy, WPRECALC_32_79_9, 56,
+ W2, W3, W4, W5, W6, W7, W0, W1);
+
+#undef curK
+#define curK qK4
+ _R( _b, _c, _d, _e, _a, F3, 44,
+ WPRECALC_32_79_0, WPRECALC_32_79_1, WPRECALC_32_79_2, 60,
+ W1, W2, W3, W4, W5, W6, W7, W0);
+ _R( _a, _b, _c, _d, _e, F3, 45,
+ WPRECALC_32_79_3, WPRECALC_32_79_4, WPRECALC_32_79_5, 60,
+ W1, W2, W3, W4, W5, W6, W7, W0);
+ _R( _e, _a, _b, _c, _d, F3, 46,
+ WPRECALC_32_79_6, dummy, WPRECALC_32_79_7, 60,
+ W1, W2, W3, W4, W5, W6, W7, W0);
+ _R( _d, _e, _a, _b, _c, F3, 47,
+ WPRECALC_32_79_8, dummy, WPRECALC_32_79_9, 60,
+ W1, W2, W3, W4, W5, W6, W7, W0);
+
+ _R( _c, _d, _e, _a, _b, F3, 48,
+ WPRECALC_32_79_0, WPRECALC_32_79_1, WPRECALC_32_79_2, 64,
+ W0, W1, W2, W3, W4, W5, W6, W7);
+ _R( _b, _c, _d, _e, _a, F3, 49,
+ WPRECALC_32_79_3, WPRECALC_32_79_4, WPRECALC_32_79_5, 64,
+ W0, W1, W2, W3, W4, W5, W6, W7);
+ _R( _a, _b, _c, _d, _e, F3, 50,
+ WPRECALC_32_79_6, dummy, WPRECALC_32_79_7, 64,
+ W0, W1, W2, W3, W4, W5, W6, W7);
+ _R( _e, _a, _b, _c, _d, F3, 51,
+ WPRECALC_32_79_8, dummy, WPRECALC_32_79_9, 64,
+ W0, W1, W2, W3, W4, W5, W6, W7);
+
+ _R( _d, _e, _a, _b, _c, F3, 52,
+ WPRECALC_32_79_0, WPRECALC_32_79_1, WPRECALC_32_79_2, 68,
+ W7, W0, W1, W2, W3, W4, W5, W6);
+ _R( _c, _d, _e, _a, _b, F3, 53,
+ WPRECALC_32_79_3, WPRECALC_32_79_4, WPRECALC_32_79_5, 68,
+ W7, W0, W1, W2, W3, W4, W5, W6);
+ _R( _b, _c, _d, _e, _a, F3, 54,
+ WPRECALC_32_79_6, dummy, WPRECALC_32_79_7, 68,
+ W7, W0, W1, W2, W3, W4, W5, W6);
+ _R( _a, _b, _c, _d, _e, F3, 55,
+ WPRECALC_32_79_8, dummy, WPRECALC_32_79_9, 68,
+ W7, W0, W1, W2, W3, W4, W5, W6);
+
+ _R( _e, _a, _b, _c, _d, F3, 56,
+ WPRECALC_32_79_0, WPRECALC_32_79_1, WPRECALC_32_79_2, 72,
+ W6, W7, W0, W1, W2, W3, W4, W5);
+ _R( _d, _e, _a, _b, _c, F3, 57,
+ WPRECALC_32_79_3, WPRECALC_32_79_4, WPRECALC_32_79_5, 72,
+ W6, W7, W0, W1, W2, W3, W4, W5);
+ _R( _c, _d, _e, _a, _b, F3, 58,
+ WPRECALC_32_79_6, dummy, WPRECALC_32_79_7, 72,
+ W6, W7, W0, W1, W2, W3, W4, W5);
+ _R( _b, _c, _d, _e, _a, F3, 59,
+ WPRECALC_32_79_8, dummy, WPRECALC_32_79_9, 72,
+ W6, W7, W0, W1, W2, W3, W4, W5);
+
+ subs RNBLKS, #1;
+
+ _R( _a, _b, _c, _d, _e, F4, 60,
+ WPRECALC_32_79_0, WPRECALC_32_79_1, WPRECALC_32_79_2, 76,
+ W5, W6, W7, W0, W1, W2, W3, W4);
+ _R( _e, _a, _b, _c, _d, F4, 61,
+ WPRECALC_32_79_3, WPRECALC_32_79_4, WPRECALC_32_79_5, 76,
+ W5, W6, W7, W0, W1, W2, W3, W4);
+ _R( _d, _e, _a, _b, _c, F4, 62,
+ WPRECALC_32_79_6, dummy, WPRECALC_32_79_7, 76,
+ W5, W6, W7, W0, W1, W2, W3, W4);
+ _R( _c, _d, _e, _a, _b, F4, 63,
+ WPRECALC_32_79_8, dummy, WPRECALC_32_79_9, 76,
+ W5, W6, W7, W0, W1, W2, W3, W4);
+
+ beq .Lend;
+
+ /* Transform 64-79 + Precalc 0-15 of next block. */
+#undef curK
+#define curK qK1
+ _R( _b, _c, _d, _e, _a, F4, 64,
+ WPRECALC_00_15_0, dummy, dummy, _, _, _, _, _, _, _, _, _ );
+ _R( _a, _b, _c, _d, _e, F4, 65,
+ WPRECALC_00_15_1, dummy, dummy, _, _, _, _, _, _, _, _, _ );
+ _R( _e, _a, _b, _c, _d, F4, 66,
+ WPRECALC_00_15_2, dummy, dummy, _, _, _, _, _, _, _, _, _ );
+ _R( _d, _e, _a, _b, _c, F4, 67,
+ WPRECALC_00_15_3, dummy, dummy, _, _, _, _, _, _, _, _, _ );
+
+ _R( _c, _d, _e, _a, _b, F4, 68,
+ dummy, dummy, dummy, _, _, _, _, _, _, _, _, _ );
+ _R( _b, _c, _d, _e, _a, F4, 69,
+ dummy, dummy, dummy, _, _, _, _, _, _, _, _, _ );
+ _R( _a, _b, _c, _d, _e, F4, 70,
+ WPRECALC_00_15_4, dummy, dummy, _, _, _, _, _, _, _, _, _ );
+ _R( _e, _a, _b, _c, _d, F4, 71,
+ WPRECALC_00_15_5, dummy, dummy, _, _, _, _, _, _, _, _, _ );
+
+ _R( _d, _e, _a, _b, _c, F4, 72,
+ dummy, dummy, dummy, _, _, _, _, _, _, _, _, _ );
+ _R( _c, _d, _e, _a, _b, F4, 73,
+ dummy, dummy, dummy, _, _, _, _, _, _, _, _, _ );
+ _R( _b, _c, _d, _e, _a, F4, 74,
+ WPRECALC_00_15_6, dummy, dummy, _, _, _, _, _, _, _, _, _ );
+ _R( _a, _b, _c, _d, _e, F4, 75,
+ WPRECALC_00_15_7, dummy, dummy, _, _, _, _, _, _, _, _, _ );
+
+ _R( _e, _a, _b, _c, _d, F4, 76,
+ WPRECALC_00_15_8, dummy, dummy, _, _, _, _, _, _, _, _, _ );
+ _R( _d, _e, _a, _b, _c, F4, 77,
+ WPRECALC_00_15_9, dummy, dummy, _, _, _, _, _, _, _, _, _ );
+ _R( _c, _d, _e, _a, _b, F4, 78,
+ WPRECALC_00_15_10, dummy, dummy, _, _, _, _, _, _, _, _, _ );
+ _R( _b, _c, _d, _e, _a, F4, 79,
+ WPRECALC_00_15_11, dummy, WPRECALC_00_15_12, _, _, _, _, _, _, _, _, _ );
+
+ /* Update the chaining variables. */
+ ldm RSTATE, {RT0-RT3};
+ add _a, RT0;
+ ldr RT0, [RSTATE, #state_h4];
+ add _b, RT1;
+ add _c, RT2;
+ add _d, RT3;
+ add _e, RT0;
+ stm RSTATE, {_a-_e};
+
+ b .Loop;
+
+.Lend:
+ /* Transform 64-79 */
+ R( _b, _c, _d, _e, _a, F4, 64 );
+ R( _a, _b, _c, _d, _e, F4, 65 );
+ R( _e, _a, _b, _c, _d, F4, 66 );
+ R( _d, _e, _a, _b, _c, F4, 67 );
+ R( _c, _d, _e, _a, _b, F4, 68 );
+ R( _b, _c, _d, _e, _a, F4, 69 );
+ R( _a, _b, _c, _d, _e, F4, 70 );
+ R( _e, _a, _b, _c, _d, F4, 71 );
+ R( _d, _e, _a, _b, _c, F4, 72 );
+ R( _c, _d, _e, _a, _b, F4, 73 );
+ R( _b, _c, _d, _e, _a, F4, 74 );
+ R( _a, _b, _c, _d, _e, F4, 75 );
+ R( _e, _a, _b, _c, _d, F4, 76 );
+ R( _d, _e, _a, _b, _c, F4, 77 );
+ R( _c, _d, _e, _a, _b, F4, 78 );
+ R( _b, _c, _d, _e, _a, F4, 79 );
+
+ mov sp, ROLDSTACK;
+
+ /* Update the chaining variables. */
+ ldm RSTATE, {RT0-RT3};
+ add _a, RT0;
+ ldr RT0, [RSTATE, #state_h4];
+ add _b, RT1;
+ add _c, RT2;
+ add _d, RT3;
+ /*vpop {q4-q7};*/
+ add _e, RT0;
+ stm RSTATE, {_a-_e};
+
+ pop {r4-r12, pc};
+
+.Ldo_nothing:
+ bx lr
+ENDPROC(sha1_transform_neon)
projects / cascardo / linux.git / blobdiff