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-rw-r--r--arch/powerpc/crypto/sha1-spe-asm.S294
1 files changed, 0 insertions, 294 deletions
diff --git a/arch/powerpc/crypto/sha1-spe-asm.S b/arch/powerpc/crypto/sha1-spe-asm.S
deleted file mode 100644
index 0f447523be5e..000000000000
--- a/arch/powerpc/crypto/sha1-spe-asm.S
+++ /dev/null
@@ -1,294 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * Fast SHA-1 implementation for SPE instruction set (PPC)
- *
- * This code makes use of the SPE SIMD instruction set as defined in
- * http://cache.freescale.com/files/32bit/doc/ref_manual/SPEPIM.pdf
- * Implementation is based on optimization guide notes from
- * http://cache.freescale.com/files/32bit/doc/app_note/AN2665.pdf
- *
- * Copyright (c) 2015 Markus Stockhausen <stockhausen@collogia.de>
- */
-
-#include <asm/ppc_asm.h>
-#include <asm/asm-offsets.h>
-
-#define rHP r3 /* pointer to hash value */
-#define rWP r4 /* pointer to input */
-#define rKP r5 /* pointer to constants */
-
-#define rW0 r14 /* 64 bit round words */
-#define rW1 r15
-#define rW2 r16
-#define rW3 r17
-#define rW4 r18
-#define rW5 r19
-#define rW6 r20
-#define rW7 r21
-
-#define rH0 r6 /* 32 bit hash values */
-#define rH1 r7
-#define rH2 r8
-#define rH3 r9
-#define rH4 r10
-
-#define rT0 r22 /* 64 bit temporary */
-#define rT1 r0 /* 32 bit temporaries */
-#define rT2 r11
-#define rT3 r12
-
-#define rK r23 /* 64 bit constant in volatile register */
-
-#define LOAD_K01
-
-#define LOAD_K11 \
- evlwwsplat rK,0(rKP);
-
-#define LOAD_K21 \
- evlwwsplat rK,4(rKP);
-
-#define LOAD_K31 \
- evlwwsplat rK,8(rKP);
-
-#define LOAD_K41 \
- evlwwsplat rK,12(rKP);
-
-#define INITIALIZE \
- stwu r1,-128(r1); /* create stack frame */ \
- evstdw r14,8(r1); /* We must save non volatile */ \
- evstdw r15,16(r1); /* registers. Take the chance */ \
- evstdw r16,24(r1); /* and save the SPE part too */ \
- evstdw r17,32(r1); \
- evstdw r18,40(r1); \
- evstdw r19,48(r1); \
- evstdw r20,56(r1); \
- evstdw r21,64(r1); \
- evstdw r22,72(r1); \
- evstdw r23,80(r1);
-
-
-#define FINALIZE \
- evldw r14,8(r1); /* restore SPE registers */ \
- evldw r15,16(r1); \
- evldw r16,24(r1); \
- evldw r17,32(r1); \
- evldw r18,40(r1); \
- evldw r19,48(r1); \
- evldw r20,56(r1); \
- evldw r21,64(r1); \
- evldw r22,72(r1); \
- evldw r23,80(r1); \
- xor r0,r0,r0; \
- stw r0,8(r1); /* Delete sensitive data */ \
- stw r0,16(r1); /* that we might have pushed */ \
- stw r0,24(r1); /* from other context that runs */ \
- stw r0,32(r1); /* the same code. Assume that */ \
- stw r0,40(r1); /* the lower part of the GPRs */ \
- stw r0,48(r1); /* were already overwritten on */ \
- stw r0,56(r1); /* the way down to here */ \
- stw r0,64(r1); \
- stw r0,72(r1); \
- stw r0,80(r1); \
- addi r1,r1,128; /* cleanup stack frame */
-
-#ifdef __BIG_ENDIAN__
-#define LOAD_DATA(reg, off) \
- lwz reg,off(rWP); /* load data */
-#define NEXT_BLOCK \
- addi rWP,rWP,64; /* increment per block */
-#else
-#define LOAD_DATA(reg, off) \
- lwbrx reg,0,rWP; /* load data */ \
- addi rWP,rWP,4; /* increment per word */
-#define NEXT_BLOCK /* nothing to do */
-#endif
-
-#define R_00_15(a, b, c, d, e, w0, w1, k, off) \
- LOAD_DATA(w0, off) /* 1: W */ \
- and rT2,b,c; /* 1: F' = B and C */ \
- LOAD_K##k##1 \
- andc rT1,d,b; /* 1: F" = ~B and D */ \
- rotrwi rT0,a,27; /* 1: A' = A rotl 5 */ \
- or rT2,rT2,rT1; /* 1: F = F' or F" */ \
- add e,e,rT0; /* 1: E = E + A' */ \
- rotrwi b,b,2; /* 1: B = B rotl 30 */ \
- add e,e,w0; /* 1: E = E + W */ \
- LOAD_DATA(w1, off+4) /* 2: W */ \
- add e,e,rT2; /* 1: E = E + F */ \
- and rT1,a,b; /* 2: F' = B and C */ \
- add e,e,rK; /* 1: E = E + K */ \
- andc rT2,c,a; /* 2: F" = ~B and D */ \
- add d,d,rK; /* 2: E = E + K */ \
- or rT2,rT2,rT1; /* 2: F = F' or F" */ \
- rotrwi rT0,e,27; /* 2: A' = A rotl 5 */ \
- add d,d,w1; /* 2: E = E + W */ \
- rotrwi a,a,2; /* 2: B = B rotl 30 */ \
- add d,d,rT0; /* 2: E = E + A' */ \
- evmergelo w1,w1,w0; /* mix W[0]/W[1] */ \
- add d,d,rT2 /* 2: E = E + F */
-
-#define R_16_19(a, b, c, d, e, w0, w1, w4, w6, w7, k) \
- and rT2,b,c; /* 1: F' = B and C */ \
- evmergelohi rT0,w7,w6; /* W[-3] */ \
- andc rT1,d,b; /* 1: F" = ~B and D */ \
- evxor w0,w0,rT0; /* W = W[-16] xor W[-3] */ \
- or rT1,rT1,rT2; /* 1: F = F' or F" */ \
- evxor w0,w0,w4; /* W = W xor W[-8] */ \
- add e,e,rT1; /* 1: E = E + F */ \
- evxor w0,w0,w1; /* W = W xor W[-14] */ \
- rotrwi rT2,a,27; /* 1: A' = A rotl 5 */ \
- evrlwi w0,w0,1; /* W = W rotl 1 */ \
- add e,e,rT2; /* 1: E = E + A' */ \
- evaddw rT0,w0,rK; /* WK = W + K */ \
- rotrwi b,b,2; /* 1: B = B rotl 30 */ \
- LOAD_K##k##1 \
- evmergehi rT1,rT1,rT0; /* WK1/WK2 */ \
- add e,e,rT0; /* 1: E = E + WK */ \
- add d,d,rT1; /* 2: E = E + WK */ \
- and rT2,a,b; /* 2: F' = B and C */ \
- andc rT1,c,a; /* 2: F" = ~B and D */ \
- rotrwi rT0,e,27; /* 2: A' = A rotl 5 */ \
- or rT1,rT1,rT2; /* 2: F = F' or F" */ \
- add d,d,rT0; /* 2: E = E + A' */ \
- rotrwi a,a,2; /* 2: B = B rotl 30 */ \
- add d,d,rT1 /* 2: E = E + F */
-
-#define R_20_39(a, b, c, d, e, w0, w1, w4, w6, w7, k) \
- evmergelohi rT0,w7,w6; /* W[-3] */ \
- xor rT2,b,c; /* 1: F' = B xor C */ \
- evxor w0,w0,rT0; /* W = W[-16] xor W[-3] */ \
- xor rT2,rT2,d; /* 1: F = F' xor D */ \
- evxor w0,w0,w4; /* W = W xor W[-8] */ \
- add e,e,rT2; /* 1: E = E + F */ \
- evxor w0,w0,w1; /* W = W xor W[-14] */ \
- rotrwi rT2,a,27; /* 1: A' = A rotl 5 */ \
- evrlwi w0,w0,1; /* W = W rotl 1 */ \
- add e,e,rT2; /* 1: E = E + A' */ \
- evaddw rT0,w0,rK; /* WK = W + K */ \
- rotrwi b,b,2; /* 1: B = B rotl 30 */ \
- LOAD_K##k##1 \
- evmergehi rT1,rT1,rT0; /* WK1/WK2 */ \
- add e,e,rT0; /* 1: E = E + WK */ \
- xor rT2,a,b; /* 2: F' = B xor C */ \
- add d,d,rT1; /* 2: E = E + WK */ \
- xor rT2,rT2,c; /* 2: F = F' xor D */ \
- rotrwi rT0,e,27; /* 2: A' = A rotl 5 */ \
- add d,d,rT2; /* 2: E = E + F */ \
- rotrwi a,a,2; /* 2: B = B rotl 30 */ \
- add d,d,rT0 /* 2: E = E + A' */
-
-#define R_40_59(a, b, c, d, e, w0, w1, w4, w6, w7, k) \
- and rT2,b,c; /* 1: F' = B and C */ \
- evmergelohi rT0,w7,w6; /* W[-3] */ \
- or rT1,b,c; /* 1: F" = B or C */ \
- evxor w0,w0,rT0; /* W = W[-16] xor W[-3] */ \
- and rT1,d,rT1; /* 1: F" = F" and D */ \
- evxor w0,w0,w4; /* W = W xor W[-8] */ \
- or rT2,rT2,rT1; /* 1: F = F' or F" */ \
- evxor w0,w0,w1; /* W = W xor W[-14] */ \
- add e,e,rT2; /* 1: E = E + F */ \
- evrlwi w0,w0,1; /* W = W rotl 1 */ \
- rotrwi rT2,a,27; /* 1: A' = A rotl 5 */ \
- evaddw rT0,w0,rK; /* WK = W + K */ \
- add e,e,rT2; /* 1: E = E + A' */ \
- LOAD_K##k##1 \
- evmergehi rT1,rT1,rT0; /* WK1/WK2 */ \
- rotrwi b,b,2; /* 1: B = B rotl 30 */ \
- add e,e,rT0; /* 1: E = E + WK */ \
- and rT2,a,b; /* 2: F' = B and C */ \
- or rT0,a,b; /* 2: F" = B or C */ \
- add d,d,rT1; /* 2: E = E + WK */ \
- and rT0,c,rT0; /* 2: F" = F" and D */ \
- rotrwi a,a,2; /* 2: B = B rotl 30 */ \
- or rT2,rT2,rT0; /* 2: F = F' or F" */ \
- rotrwi rT0,e,27; /* 2: A' = A rotl 5 */ \
- add d,d,rT2; /* 2: E = E + F */ \
- add d,d,rT0 /* 2: E = E + A' */
-
-#define R_60_79(a, b, c, d, e, w0, w1, w4, w6, w7, k) \
- R_20_39(a, b, c, d, e, w0, w1, w4, w6, w7, k)
-
-_GLOBAL(ppc_spe_sha1_transform)
- INITIALIZE
-
- lwz rH0,0(rHP)
- lwz rH1,4(rHP)
- mtctr r5
- lwz rH2,8(rHP)
- lis rKP,PPC_SPE_SHA1_K@h
- lwz rH3,12(rHP)
- ori rKP,rKP,PPC_SPE_SHA1_K@l
- lwz rH4,16(rHP)
-
-ppc_spe_sha1_main:
- R_00_15(rH0, rH1, rH2, rH3, rH4, rW1, rW0, 1, 0)
- R_00_15(rH3, rH4, rH0, rH1, rH2, rW2, rW1, 0, 8)
- R_00_15(rH1, rH2, rH3, rH4, rH0, rW3, rW2, 0, 16)
- R_00_15(rH4, rH0, rH1, rH2, rH3, rW4, rW3, 0, 24)
- R_00_15(rH2, rH3, rH4, rH0, rH1, rW5, rW4, 0, 32)
- R_00_15(rH0, rH1, rH2, rH3, rH4, rW6, rW5, 0, 40)
- R_00_15(rH3, rH4, rH0, rH1, rH2, rT3, rW6, 0, 48)
- R_00_15(rH1, rH2, rH3, rH4, rH0, rT3, rW7, 0, 56)
-
- R_16_19(rH4, rH0, rH1, rH2, rH3, rW0, rW1, rW4, rW6, rW7, 0)
- R_16_19(rH2, rH3, rH4, rH0, rH1, rW1, rW2, rW5, rW7, rW0, 2)
-
- R_20_39(rH0, rH1, rH2, rH3, rH4, rW2, rW3, rW6, rW0, rW1, 0)
- R_20_39(rH3, rH4, rH0, rH1, rH2, rW3, rW4, rW7, rW1, rW2, 0)
- R_20_39(rH1, rH2, rH3, rH4, rH0, rW4, rW5, rW0, rW2, rW3, 0)
- R_20_39(rH4, rH0, rH1, rH2, rH3, rW5, rW6, rW1, rW3, rW4, 0)
- R_20_39(rH2, rH3, rH4, rH0, rH1, rW6, rW7, rW2, rW4, rW5, 0)
- R_20_39(rH0, rH1, rH2, rH3, rH4, rW7, rW0, rW3, rW5, rW6, 0)
- R_20_39(rH3, rH4, rH0, rH1, rH2, rW0, rW1, rW4, rW6, rW7, 0)
- R_20_39(rH1, rH2, rH3, rH4, rH0, rW1, rW2, rW5, rW7, rW0, 0)
- R_20_39(rH4, rH0, rH1, rH2, rH3, rW2, rW3, rW6, rW0, rW1, 0)
- R_20_39(rH2, rH3, rH4, rH0, rH1, rW3, rW4, rW7, rW1, rW2, 3)
-
- R_40_59(rH0, rH1, rH2, rH3, rH4, rW4, rW5, rW0, rW2, rW3, 0)
- R_40_59(rH3, rH4, rH0, rH1, rH2, rW5, rW6, rW1, rW3, rW4, 0)
- R_40_59(rH1, rH2, rH3, rH4, rH0, rW6, rW7, rW2, rW4, rW5, 0)
- R_40_59(rH4, rH0, rH1, rH2, rH3, rW7, rW0, rW3, rW5, rW6, 0)
- R_40_59(rH2, rH3, rH4, rH0, rH1, rW0, rW1, rW4, rW6, rW7, 0)
- R_40_59(rH0, rH1, rH2, rH3, rH4, rW1, rW2, rW5, rW7, rW0, 0)
- R_40_59(rH3, rH4, rH0, rH1, rH2, rW2, rW3, rW6, rW0, rW1, 0)
- R_40_59(rH1, rH2, rH3, rH4, rH0, rW3, rW4, rW7, rW1, rW2, 0)
- R_40_59(rH4, rH0, rH1, rH2, rH3, rW4, rW5, rW0, rW2, rW3, 0)
- R_40_59(rH2, rH3, rH4, rH0, rH1, rW5, rW6, rW1, rW3, rW4, 4)
-
- R_60_79(rH0, rH1, rH2, rH3, rH4, rW6, rW7, rW2, rW4, rW5, 0)
- R_60_79(rH3, rH4, rH0, rH1, rH2, rW7, rW0, rW3, rW5, rW6, 0)
- R_60_79(rH1, rH2, rH3, rH4, rH0, rW0, rW1, rW4, rW6, rW7, 0)
- R_60_79(rH4, rH0, rH1, rH2, rH3, rW1, rW2, rW5, rW7, rW0, 0)
- R_60_79(rH2, rH3, rH4, rH0, rH1, rW2, rW3, rW6, rW0, rW1, 0)
- R_60_79(rH0, rH1, rH2, rH3, rH4, rW3, rW4, rW7, rW1, rW2, 0)
- R_60_79(rH3, rH4, rH0, rH1, rH2, rW4, rW5, rW0, rW2, rW3, 0)
- lwz rT3,0(rHP)
- R_60_79(rH1, rH2, rH3, rH4, rH0, rW5, rW6, rW1, rW3, rW4, 0)
- lwz rW1,4(rHP)
- R_60_79(rH4, rH0, rH1, rH2, rH3, rW6, rW7, rW2, rW4, rW5, 0)
- lwz rW2,8(rHP)
- R_60_79(rH2, rH3, rH4, rH0, rH1, rW7, rW0, rW3, rW5, rW6, 0)
- lwz rW3,12(rHP)
- NEXT_BLOCK
- lwz rW4,16(rHP)
-
- add rH0,rH0,rT3
- stw rH0,0(rHP)
- add rH1,rH1,rW1
- stw rH1,4(rHP)
- add rH2,rH2,rW2
- stw rH2,8(rHP)
- add rH3,rH3,rW3
- stw rH3,12(rHP)
- add rH4,rH4,rW4
- stw rH4,16(rHP)
-
- bdnz ppc_spe_sha1_main
-
- FINALIZE
- blr
-
-.data
-.align 4
-PPC_SPE_SHA1_K:
- .long 0x5A827999,0x6ED9EBA1,0x8F1BBCDC,0xCA62C1D6