mirror of
https://github.com/yuzu-emu/mbedtls.git
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Change asm format to \n\t in aesni.c too
This commit is contained in:
Manuel Pégourié-Gonnard
Paul Bakker
parent
03576887c2
commit
0534fd4c1a
378
library/aesni.c
378
library/aesni.c
@ -51,8 +51,8 @@ int aesni_supports( unsigned int what )
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if( ! done )
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{
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asm( "movl $1, %%eax \n"
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"cpuid \n"
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asm( "movl $1, %%eax \n\t"
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"cpuid \n\t"
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: "=c" (c)
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:
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: "eax", "ebx", "edx" );
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@ -96,35 +96,35 @@ int aesni_crypt_ecb( aes_context *ctx,
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const unsigned char input[16],
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unsigned char output[16] )
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{
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asm( "movdqu (%3), %%xmm0 \n" // load input
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"movdqu (%1), %%xmm1 \n" // load round key 0
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"pxor %%xmm1, %%xmm0 \n" // round 0
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"addq $16, %1 \n" // point to next round key
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"subl $1, %0 \n" // normal rounds = nr - 1
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"test %2, %2 \n" // mode?
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"jz 2f \n" // 0 = decrypt
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asm( "movdqu (%3), %%xmm0 \n\t" // load input
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"movdqu (%1), %%xmm1 \n\t" // load round key 0
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"pxor %%xmm1, %%xmm0 \n\t" // round 0
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"addq $16, %1 \n\t" // point to next round key
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"subl $1, %0 \n\t" // normal rounds = nr - 1
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"test %2, %2 \n\t" // mode?
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"jz 2f \n\t" // 0 = decrypt
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"1: \n" // encryption loop
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"movdqu (%1), %%xmm1 \n" // load round key
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AESENC xmm1_xmm0 "\n" // do round
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"addq $16, %1 \n" // point to next round key
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"subl $1, %0 \n" // loop
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"jnz 1b \n"
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"movdqu (%1), %%xmm1 \n" // load round key
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AESENCLAST xmm1_xmm0 "\n" // last round
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"jmp 3f \n"
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"1: \n\t" // encryption loop
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"movdqu (%1), %%xmm1 \n\t" // load round key
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AESENC xmm1_xmm0 "\n\t" // do round
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"addq $16, %1 \n\t" // point to next round key
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"subl $1, %0 \n\t" // loop
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"jnz 1b \n\t"
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"movdqu (%1), %%xmm1 \n\t" // load round key
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AESENCLAST xmm1_xmm0 "\n\t" // last round
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"jmp 3f \n\t"
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"2: \n" // decryption loop
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"movdqu (%1), %%xmm1 \n"
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AESDEC xmm1_xmm0 "\n" // do round
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"addq $16, %1 \n"
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"subl $1, %0 \n"
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"jnz 2b \n"
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"movdqu (%1), %%xmm1 \n" // load round key
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AESDECLAST xmm1_xmm0 "\n" // last round
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"2: \n\t" // decryption loop
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"movdqu (%1), %%xmm1 \n\t"
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AESDEC xmm1_xmm0 "\n\t" // do round
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"addq $16, %1 \n\t"
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"subl $1, %0 \n\t"
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"jnz 2b \n\t"
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"movdqu (%1), %%xmm1 \n\t" // load round key
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AESDECLAST xmm1_xmm0 "\n\t" // last round
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"3: \n"
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"movdqu %%xmm0, (%4) \n" // export output
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"3: \n\t"
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"movdqu %%xmm0, (%4) \n\t" // export output
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:
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: "r" (ctx->nr), "r" (ctx->rk), "r" (mode), "r" (input), "r" (output)
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: "memory", "cc", "xmm0", "xmm1" );
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@ -151,44 +151,44 @@ void aesni_gcm_mult( unsigned char c[16],
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bb[i] = b[15 - i];
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}
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asm( "movdqu (%0), %%xmm0 \n" // a1:a0
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"movdqu (%1), %%xmm1 \n" // b1:b0
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asm( "movdqu (%0), %%xmm0 \n\t" // a1:a0
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"movdqu (%1), %%xmm1 \n\t" // b1:b0
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/*
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* Caryless multiplication xmm2:xmm1 = xmm0 * xmm1
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* using [CLMUL-WP] algorithm 1 (p. 13).
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*/
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"movdqa %%xmm1, %%xmm2 \n" // copy of b1:b0
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"movdqa %%xmm1, %%xmm3 \n" // same
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"movdqa %%xmm1, %%xmm4 \n" // same
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PCLMULQDQ xmm0_xmm1 ",0x00 \n" // a0*b0 = c1:c0
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PCLMULQDQ xmm0_xmm2 ",0x11 \n" // a1*b1 = d1:d0
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PCLMULQDQ xmm0_xmm3 ",0x10 \n" // a0*b1 = e1:e0
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PCLMULQDQ xmm0_xmm4 ",0x01 \n" // a1*b0 = f1:f0
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"pxor %%xmm3, %%xmm4 \n" // e1+f1:e0+f0
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"movdqa %%xmm4, %%xmm3 \n" // same
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"psrldq $8, %%xmm4 \n" // 0:e1+f1
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"pslldq $8, %%xmm3 \n" // e0+f0:0
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"pxor %%xmm4, %%xmm2 \n" // d1:d0+e1+f1
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"pxor %%xmm3, %%xmm1 \n" // c1+e0+f1:c0
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"movdqa %%xmm1, %%xmm2 \n\t" // copy of b1:b0
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"movdqa %%xmm1, %%xmm3 \n\t" // same
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"movdqa %%xmm1, %%xmm4 \n\t" // same
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PCLMULQDQ xmm0_xmm1 ",0x00 \n\t" // a0*b0 = c1:c0
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PCLMULQDQ xmm0_xmm2 ",0x11 \n\t" // a1*b1 = d1:d0
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PCLMULQDQ xmm0_xmm3 ",0x10 \n\t" // a0*b1 = e1:e0
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PCLMULQDQ xmm0_xmm4 ",0x01 \n\t" // a1*b0 = f1:f0
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"pxor %%xmm3, %%xmm4 \n\t" // e1+f1:e0+f0
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"movdqa %%xmm4, %%xmm3 \n\t" // same
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"psrldq $8, %%xmm4 \n\t" // 0:e1+f1
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"pslldq $8, %%xmm3 \n\t" // e0+f0:0
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"pxor %%xmm4, %%xmm2 \n\t" // d1:d0+e1+f1
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"pxor %%xmm3, %%xmm1 \n\t" // c1+e0+f1:c0
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/*
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* Now shift the result one bit to the left,
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* taking advantage of [CLMUL-WP] eq 27 (p. 20)
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*/
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"movdqa %%xmm1, %%xmm3 \n" // r1:r0
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"movdqa %%xmm2, %%xmm4 \n" // r3:r2
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"psllq $1, %%xmm1 \n" // r1<<1:r0<<1
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"psllq $1, %%xmm2 \n" // r3<<1:r2<<1
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"psrlq $63, %%xmm3 \n" // r1>>63:r0>>63
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"psrlq $63, %%xmm4 \n" // r3>>63:r2>>63
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"movdqa %%xmm3, %%xmm5 \n" // r1>>63:r0>>63
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"pslldq $8, %%xmm3 \n" // r0>>63:0
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"pslldq $8, %%xmm4 \n" // r2>>63:0
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"psrldq $8, %%xmm5 \n" // 0:r1>>63
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"por %%xmm3, %%xmm1 \n" // r1<<1|r0>>63:r0<<1
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"por %%xmm4, %%xmm2 \n" // r3<<1|r2>>62:r2<<1
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"por %%xmm5, %%xmm2 \n" // r3<<1|r2>>62:r2<<1|r1>>63
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"movdqa %%xmm1, %%xmm3 \n\t" // r1:r0
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"movdqa %%xmm2, %%xmm4 \n\t" // r3:r2
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"psllq $1, %%xmm1 \n\t" // r1<<1:r0<<1
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"psllq $1, %%xmm2 \n\t" // r3<<1:r2<<1
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"psrlq $63, %%xmm3 \n\t" // r1>>63:r0>>63
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"psrlq $63, %%xmm4 \n\t" // r3>>63:r2>>63
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"movdqa %%xmm3, %%xmm5 \n\t" // r1>>63:r0>>63
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"pslldq $8, %%xmm3 \n\t" // r0>>63:0
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"pslldq $8, %%xmm4 \n\t" // r2>>63:0
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"psrldq $8, %%xmm5 \n\t" // 0:r1>>63
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"por %%xmm3, %%xmm1 \n\t" // r1<<1|r0>>63:r0<<1
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"por %%xmm4, %%xmm2 \n\t" // r3<<1|r2>>62:r2<<1
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"por %%xmm5, %%xmm2 \n\t" // r3<<1|r2>>62:r2<<1|r1>>63
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/*
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* Now reduce modulo the GCM polynomial x^128 + x^7 + x^2 + x + 1
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@ -196,44 +196,44 @@ void aesni_gcm_mult( unsigned char c[16],
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* Currently xmm2:xmm1 holds x3:x2:x1:x0 (already shifted).
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*/
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/* Step 2 (1) */
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"movdqa %%xmm1, %%xmm3 \n" // x1:x0
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"movdqa %%xmm1, %%xmm4 \n" // same
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"movdqa %%xmm1, %%xmm5 \n" // same
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"psllq $63, %%xmm3 \n" // x1<<63:x0<<63 = stuff:a
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"psllq $62, %%xmm4 \n" // x1<<62:x0<<62 = stuff:b
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"psllq $57, %%xmm5 \n" // x1<<57:x0<<57 = stuff:c
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"movdqa %%xmm1, %%xmm3 \n\t" // x1:x0
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"movdqa %%xmm1, %%xmm4 \n\t" // same
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"movdqa %%xmm1, %%xmm5 \n\t" // same
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"psllq $63, %%xmm3 \n\t" // x1<<63:x0<<63 = stuff:a
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"psllq $62, %%xmm4 \n\t" // x1<<62:x0<<62 = stuff:b
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"psllq $57, %%xmm5 \n\t" // x1<<57:x0<<57 = stuff:c
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/* Step 2 (2) */
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"pxor %%xmm4, %%xmm3 \n" // stuff:a+b
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"pxor %%xmm5, %%xmm3 \n" // stuff:a+b+c
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"pslldq $8, %%xmm3 \n" // a+b+c:0
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"pxor %%xmm3, %%xmm1 \n" // x1+a+b+c:x0 = d:x0
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"pxor %%xmm4, %%xmm3 \n\t" // stuff:a+b
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"pxor %%xmm5, %%xmm3 \n\t" // stuff:a+b+c
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"pslldq $8, %%xmm3 \n\t" // a+b+c:0
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"pxor %%xmm3, %%xmm1 \n\t" // x1+a+b+c:x0 = d:x0
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/* Steps 3 and 4 */
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"movdqa %%xmm1,%%xmm0 \n" // d:x0
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"movdqa %%xmm1,%%xmm4 \n" // same
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"movdqa %%xmm1,%%xmm5 \n" // same
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"psrlq $1, %%xmm0 \n" // e1:x0>>1 = e1:e0'
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"psrlq $2, %%xmm4 \n" // f1:x0>>2 = f1:f0'
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"psrlq $7, %%xmm5 \n" // g1:x0>>7 = g1:g0'
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"pxor %%xmm4, %%xmm0 \n" // e1+f1:e0'+f0'
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"pxor %%xmm5, %%xmm0 \n" // e1+f1+g1:e0'+f0'+g0'
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// e0'+f0'+g0' is almost e0+f0+g0, except for some missing
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// bits carried from d. Now get those bits back in.
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"movdqa %%xmm1,%%xmm3 \n" // d:x0
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"movdqa %%xmm1,%%xmm4 \n" // same
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"movdqa %%xmm1,%%xmm5 \n" // same
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"psllq $63, %%xmm3 \n" // d<<63:stuff
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"psllq $62, %%xmm4 \n" // d<<62:stuff
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"psllq $57, %%xmm5 \n" // d<<57:stuff
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"pxor %%xmm4, %%xmm3 \n" // d<<63+d<<62:stuff
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"pxor %%xmm5, %%xmm3 \n" // missing bits of d:stuff
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"psrldq $8, %%xmm3 \n" // 0:missing bits of d
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"pxor %%xmm3, %%xmm0 \n" // e1+f1+g1:e0+f0+g0
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"pxor %%xmm1, %%xmm0 \n" // h1:h0
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"pxor %%xmm2, %%xmm0 \n" // x3+h1:x2+h0
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"movdqa %%xmm1,%%xmm0 \n\t" // d:x0
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"movdqa %%xmm1,%%xmm4 \n\t" // same
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"movdqa %%xmm1,%%xmm5 \n\t" // same
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"psrlq $1, %%xmm0 \n\t" // e1:x0>>1 = e1:e0'
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"psrlq $2, %%xmm4 \n\t" // f1:x0>>2 = f1:f0'
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"psrlq $7, %%xmm5 \n\t" // g1:x0>>7 = g1:g0'
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"pxor %%xmm4, %%xmm0 \n\t" // e1+f1:e0'+f0'
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"pxor %%xmm5, %%xmm0 \n\t" // e1+f1+g1:e0'+f0'+g0'
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// e0'+f0'+g0' is almost e0+f0+g0, ex\tcept for some missing
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// bits carried from d. Now get those\t bits back in.
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"movdqa %%xmm1,%%xmm3 \n\t" // d:x0
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"movdqa %%xmm1,%%xmm4 \n\t" // same
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"movdqa %%xmm1,%%xmm5 \n\t" // same
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"psllq $63, %%xmm3 \n\t" // d<<63:stuff
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"psllq $62, %%xmm4 \n\t" // d<<62:stuff
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"psllq $57, %%xmm5 \n\t" // d<<57:stuff
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"pxor %%xmm4, %%xmm3 \n\t" // d<<63+d<<62:stuff
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"pxor %%xmm5, %%xmm3 \n\t" // missing bits of d:stuff
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"psrldq $8, %%xmm3 \n\t" // 0:missing bits of d
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"pxor %%xmm3, %%xmm0 \n\t" // e1+f1+g1:e0+f0+g0
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"pxor %%xmm1, %%xmm0 \n\t" // h1:h0
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"pxor %%xmm2, %%xmm0 \n\t" // x3+h1:x2+h0
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"movdqu %%xmm0, (%2) \n" // done
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"movdqu %%xmm0, (%2) \n\t" // done
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:
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: "r" (aa), "r" (bb), "r" (cc)
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: "memory", "cc", "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5" );
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@ -257,9 +257,9 @@ void aesni_inverse_key( unsigned char *invkey,
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memcpy( ik, fk, 16 );
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for( fk -= 16, ik += 16; fk > fwdkey; fk -= 16, ik += 16 )
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asm( "movdqu (%0), %%xmm0 \n"
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AESIMC xmm0_xmm0 "\n"
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"movdqu %%xmm0, (%1) \n"
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asm( "movdqu (%0), %%xmm0 \n\t"
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AESIMC xmm0_xmm0 "\n\t"
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"movdqu %%xmm0, (%1) \n\t"
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:
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: "r" (fk), "r" (ik)
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: "memory", "xmm0" );
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@ -273,9 +273,9 @@ void aesni_inverse_key( unsigned char *invkey,
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static void aesni_setkey_enc_128( unsigned char *rk,
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const unsigned char *key )
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{
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asm( "movdqu (%1), %%xmm0 \n" // copy the original key
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"movdqu %%xmm0, (%0) \n" // as round key 0
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"jmp 2f \n" // skip auxiliary routine
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asm( "movdqu (%1), %%xmm0 \n\t" // copy the original key
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"movdqu %%xmm0, (%0) \n\t" // as round key 0
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"jmp 2f \n\t" // skip auxiliary routine
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/*
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* Finish generating the next round key.
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@ -287,31 +287,31 @@ static void aesni_setkey_enc_128( unsigned char *rk,
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* with r4 = X + r0, r5 = r4 + r1, r6 = r5 + r2, r7 = r6 + r3
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* and those are written to the round key buffer.
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*/
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"1: \n"
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"pshufd $0xff, %%xmm1, %%xmm1 \n" // X:X:X:X
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"pxor %%xmm0, %%xmm1 \n" // X+r3:X+r2:X+r1:r4
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"pslldq $4, %%xmm0 \n" // r2:r1:r0:0
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"pxor %%xmm0, %%xmm1 \n" // X+r3+r2:X+r2+r1:r5:r4
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"pslldq $4, %%xmm0 \n" // etc
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"pxor %%xmm0, %%xmm1 \n"
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"pslldq $4, %%xmm0 \n"
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"pxor %%xmm1, %%xmm0 \n" // update xmm0 for next time!
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"add $16, %0 \n" // point to next round key
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"movdqu %%xmm0, (%0) \n" // write it
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"ret \n"
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"1: \n\t"
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"pshufd $0xff, %%xmm1, %%xmm1 \n\t" // X:X:X:X
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"pxor %%xmm0, %%xmm1 \n\t" // X+r3:X+r2:X+r1:r4
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"pslldq $4, %%xmm0 \n\t" // r2:r1:r0:0
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"pxor %%xmm0, %%xmm1 \n\t" // X+r3+r2:X+r2+r1:r5:r4
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"pslldq $4, %%xmm0 \n\t" // etc
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"pxor %%xmm0, %%xmm1 \n\t"
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"pslldq $4, %%xmm0 \n\t"
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"pxor %%xmm1, %%xmm0 \n\t" // update xmm0 for next time!
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"add $16, %0 \n\t" // point to next round key
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"movdqu %%xmm0, (%0) \n\t" // write it
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"ret \n\t"
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/* Main "loop" */
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"2: \n"
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AESKEYGENA xmm0_xmm1 ",0x01 \ncall 1b \n"
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AESKEYGENA xmm0_xmm1 ",0x02 \ncall 1b \n"
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AESKEYGENA xmm0_xmm1 ",0x04 \ncall 1b \n"
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AESKEYGENA xmm0_xmm1 ",0x08 \ncall 1b \n"
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AESKEYGENA xmm0_xmm1 ",0x10 \ncall 1b \n"
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AESKEYGENA xmm0_xmm1 ",0x20 \ncall 1b \n"
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AESKEYGENA xmm0_xmm1 ",0x40 \ncall 1b \n"
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AESKEYGENA xmm0_xmm1 ",0x80 \ncall 1b \n"
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AESKEYGENA xmm0_xmm1 ",0x1B \ncall 1b \n"
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AESKEYGENA xmm0_xmm1 ",0x36 \ncall 1b \n"
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"2: \n\t"
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AESKEYGENA xmm0_xmm1 ",0x01 \n\tcall 1b \n\t"
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AESKEYGENA xmm0_xmm1 ",0x02 \n\tcall 1b \n\t"
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AESKEYGENA xmm0_xmm1 ",0x04 \n\tcall 1b \n\t"
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AESKEYGENA xmm0_xmm1 ",0x08 \n\tcall 1b \n\t"
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AESKEYGENA xmm0_xmm1 ",0x10 \n\tcall 1b \n\t"
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AESKEYGENA xmm0_xmm1 ",0x20 \n\tcall 1b \n\t"
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AESKEYGENA xmm0_xmm1 ",0x40 \n\tcall 1b \n\t"
|
||||
AESKEYGENA xmm0_xmm1 ",0x80 \n\tcall 1b \n\t"
|
||||
AESKEYGENA xmm0_xmm1 ",0x1B \n\tcall 1b \n\t"
|
||||
AESKEYGENA xmm0_xmm1 ",0x36 \n\tcall 1b \n\t"
|
||||
:
|
||||
: "r" (rk), "r" (key)
|
||||
: "memory", "cc", "0" );
|
||||
@ -323,13 +323,13 @@ static void aesni_setkey_enc_128( unsigned char *rk,
|
||||
static void aesni_setkey_enc_192( unsigned char *rk,
|
||||
const unsigned char *key )
|
||||
{
|
||||
asm( "movdqu (%1), %%xmm0 \n" // copy original round key
|
||||
"movdqu %%xmm0, (%0) \n"
|
||||
"add $16, %0 \n"
|
||||
"movq 16(%1), %%xmm1 \n"
|
||||
"movq %%xmm1, (%0) \n"
|
||||
"add $8, %0 \n"
|
||||
"jmp 2f \n" // skip auxiliary routine
|
||||
asm( "movdqu (%1), %%xmm0 \n\t" // copy original round key
|
||||
"movdqu %%xmm0, (%0) \n\t"
|
||||
"add $16, %0 \n\t"
|
||||
"movq 16(%1), %%xmm1 \n\t"
|
||||
"movq %%xmm1, (%0) \n\t"
|
||||
"add $8, %0 \n\t"
|
||||
"jmp 2f \n\t" // skip auxiliary routine
|
||||
|
||||
/*
|
||||
* Finish generating the next 6 quarter-keys.
|
||||
@ -340,34 +340,34 @@ static void aesni_setkey_enc_192( unsigned char *rk,
|
||||
* On exit, xmm0 is r9:r8:r7:r6 and xmm1 is stuff:stuff:r11:r10
|
||||
* and those are written to the round key buffer.
|
||||
*/
|
||||
"1: \n"
|
||||
"pshufd $0x55, %%xmm2, %%xmm2 \n" // X:X:X:X
|
||||
"pxor %%xmm0, %%xmm2 \n" // X+r3:X+r2:X+r1:r4
|
||||
"pslldq $4, %%xmm0 \n" // etc
|
||||
"pxor %%xmm0, %%xmm2 \n"
|
||||
"pslldq $4, %%xmm0 \n"
|
||||
"pxor %%xmm0, %%xmm2 \n"
|
||||
"pslldq $4, %%xmm0 \n"
|
||||
"pxor %%xmm2, %%xmm0 \n" // update xmm0 = r9:r8:r7:r6
|
||||
"movdqu %%xmm0, (%0) \n"
|
||||
"add $16, %0 \n"
|
||||
"pshufd $0xff, %%xmm0, %%xmm2 \n" // r9:r9:r9:r9
|
||||
"pxor %%xmm1, %%xmm2 \n" // stuff:stuff:r9+r5:r10
|
||||
"pslldq $4, %%xmm1 \n" // r2:r1:r0:0
|
||||
"pxor %%xmm2, %%xmm1 \n" // update xmm1 = stuff:stuff:r11:r10
|
||||
"movq %%xmm1, (%0) \n"
|
||||
"add $8, %0 \n"
|
||||
"ret \n"
|
||||
"1: \n\t"
|
||||
"pshufd $0x55, %%xmm2, %%xmm2 \n\t" // X:X:X:X
|
||||
"pxor %%xmm0, %%xmm2 \n\t" // X+r3:X+r2:X+r1:r4
|
||||
"pslldq $4, %%xmm0 \n\t" // etc
|
||||
"pxor %%xmm0, %%xmm2 \n\t"
|
||||
"pslldq $4, %%xmm0 \n\t"
|
||||
"pxor %%xmm0, %%xmm2 \n\t"
|
||||
"pslldq $4, %%xmm0 \n\t"
|
||||
"pxor %%xmm2, %%xmm0 \n\t" // update xmm0 = r9:r8:r7:r6
|
||||
"movdqu %%xmm0, (%0) \n\t"
|
||||
"add $16, %0 \n\t"
|
||||
"pshufd $0xff, %%xmm0, %%xmm2 \n\t" // r9:r9:r9:r9
|
||||
"pxor %%xmm1, %%xmm2 \n\t" // stuff:stuff:r9+r5:r10
|
||||
"pslldq $4, %%xmm1 \n\t" // r2:r1:r0:0
|
||||
"pxor %%xmm2, %%xmm1 \n\t" // xmm1 = stuff:stuff:r11:r10
|
||||
"movq %%xmm1, (%0) \n\t"
|
||||
"add $8, %0 \n\t"
|
||||
"ret \n\t"
|
||||
|
||||
"2: \n"
|
||||
AESKEYGENA xmm1_xmm2 ",0x01 \ncall 1b \n"
|
||||
AESKEYGENA xmm1_xmm2 ",0x02 \ncall 1b \n"
|
||||
AESKEYGENA xmm1_xmm2 ",0x04 \ncall 1b \n"
|
||||
AESKEYGENA xmm1_xmm2 ",0x08 \ncall 1b \n"
|
||||
AESKEYGENA xmm1_xmm2 ",0x10 \ncall 1b \n"
|
||||
AESKEYGENA xmm1_xmm2 ",0x20 \ncall 1b \n"
|
||||
AESKEYGENA xmm1_xmm2 ",0x40 \ncall 1b \n"
|
||||
AESKEYGENA xmm1_xmm2 ",0x80 \ncall 1b \n"
|
||||
"2: \n\t"
|
||||
AESKEYGENA xmm1_xmm2 ",0x01 \n\tcall 1b \n\t"
|
||||
AESKEYGENA xmm1_xmm2 ",0x02 \n\tcall 1b \n\t"
|
||||
AESKEYGENA xmm1_xmm2 ",0x04 \n\tcall 1b \n\t"
|
||||
AESKEYGENA xmm1_xmm2 ",0x08 \n\tcall 1b \n\t"
|
||||
AESKEYGENA xmm1_xmm2 ",0x10 \n\tcall 1b \n\t"
|
||||
AESKEYGENA xmm1_xmm2 ",0x20 \n\tcall 1b \n\t"
|
||||
AESKEYGENA xmm1_xmm2 ",0x40 \n\tcall 1b \n\t"
|
||||
AESKEYGENA xmm1_xmm2 ",0x80 \n\tcall 1b \n\t"
|
||||
|
||||
:
|
||||
: "r" (rk), "r" (key)
|
||||
@ -380,12 +380,12 @@ static void aesni_setkey_enc_192( unsigned char *rk,
|
||||
static void aesni_setkey_enc_256( unsigned char *rk,
|
||||
const unsigned char *key )
|
||||
{
|
||||
asm( "movdqu (%1), %%xmm0 \n"
|
||||
"movdqu %%xmm0, (%0) \n"
|
||||
"add $16, %0 \n"
|
||||
"movdqu 16(%1), %%xmm1 \n"
|
||||
"movdqu %%xmm1, (%0) \n"
|
||||
"jmp 2f \n" // skip auxiliary routine
|
||||
asm( "movdqu (%1), %%xmm0 \n\t"
|
||||
"movdqu %%xmm0, (%0) \n\t"
|
||||
"add $16, %0 \n\t"
|
||||
"movdqu 16(%1), %%xmm1 \n\t"
|
||||
"movdqu %%xmm1, (%0) \n\t"
|
||||
"jmp 2f \n\t" // skip auxiliary routine
|
||||
|
||||
/*
|
||||
* Finish generating the next two round keys.
|
||||
@ -396,45 +396,45 @@ static void aesni_setkey_enc_256( unsigned char *rk,
|
||||
* On exit, xmm0 is r11:r10:r9:r8 and xmm1 is r15:r14:r13:r12
|
||||
* and those have been written to the output buffer.
|
||||
*/
|
||||
"1: \n"
|
||||
"pshufd $0xff, %%xmm2, %%xmm2 \n"
|
||||
"pxor %%xmm0, %%xmm2 \n"
|
||||
"pslldq $4, %%xmm0 \n"
|
||||
"pxor %%xmm0, %%xmm2 \n"
|
||||
"pslldq $4, %%xmm0 \n"
|
||||
"pxor %%xmm0, %%xmm2 \n"
|
||||
"pslldq $4, %%xmm0 \n"
|
||||
"pxor %%xmm2, %%xmm0 \n"
|
||||
"add $16, %0 \n"
|
||||
"movdqu %%xmm0, (%0) \n"
|
||||
"1: \n\t"
|
||||
"pshufd $0xff, %%xmm2, %%xmm2 \n\t"
|
||||
"pxor %%xmm0, %%xmm2 \n\t"
|
||||
"pslldq $4, %%xmm0 \n\t"
|
||||
"pxor %%xmm0, %%xmm2 \n\t"
|
||||
"pslldq $4, %%xmm0 \n\t"
|
||||
"pxor %%xmm0, %%xmm2 \n\t"
|
||||
"pslldq $4, %%xmm0 \n\t"
|
||||
"pxor %%xmm2, %%xmm0 \n\t"
|
||||
"add $16, %0 \n\t"
|
||||
"movdqu %%xmm0, (%0) \n\t"
|
||||
|
||||
/* Set xmm2 to stuff:Y:stuff:stuff with Y = subword( r11 )
|
||||
* and proceed to generate next round key from there */
|
||||
AESKEYGENA xmm0_xmm2 ",0x00 \n"
|
||||
"pshufd $0xaa, %%xmm2, %%xmm2 \n"
|
||||
"pxor %%xmm1, %%xmm2 \n"
|
||||
"pslldq $4, %%xmm1 \n"
|
||||
"pxor %%xmm1, %%xmm2 \n"
|
||||
"pslldq $4, %%xmm1 \n"
|
||||
"pxor %%xmm1, %%xmm2 \n"
|
||||
"pslldq $4, %%xmm1 \n"
|
||||
"pxor %%xmm2, %%xmm1 \n"
|
||||
"add $16, %0 \n"
|
||||
"movdqu %%xmm1, (%0) \n"
|
||||
"ret \n"
|
||||
AESKEYGENA xmm0_xmm2 ",0x00 \n\t"
|
||||
"pshufd $0xaa, %%xmm2, %%xmm2 \n\t"
|
||||
"pxor %%xmm1, %%xmm2 \n\t"
|
||||
"pslldq $4, %%xmm1 \n\t"
|
||||
"pxor %%xmm1, %%xmm2 \n\t"
|
||||
"pslldq $4, %%xmm1 \n\t"
|
||||
"pxor %%xmm1, %%xmm2 \n\t"
|
||||
"pslldq $4, %%xmm1 \n\t"
|
||||
"pxor %%xmm2, %%xmm1 \n\t"
|
||||
"add $16, %0 \n\t"
|
||||
"movdqu %%xmm1, (%0) \n\t"
|
||||
"ret \n\t"
|
||||
|
||||
/*
|
||||
* Main "loop" - Generating one more key than necessary,
|
||||
* see definition of aes_context.buf
|
||||
*/
|
||||
"2: \n"
|
||||
AESKEYGENA xmm1_xmm2 ",0x01 \ncall 1b \n"
|
||||
AESKEYGENA xmm1_xmm2 ",0x02 \ncall 1b \n"
|
||||
AESKEYGENA xmm1_xmm2 ",0x04 \ncall 1b \n"
|
||||
AESKEYGENA xmm1_xmm2 ",0x08 \ncall 1b \n"
|
||||
AESKEYGENA xmm1_xmm2 ",0x10 \ncall 1b \n"
|
||||
AESKEYGENA xmm1_xmm2 ",0x20 \ncall 1b \n"
|
||||
AESKEYGENA xmm1_xmm2 ",0x40 \ncall 1b \n"
|
||||
"2: \n\t"
|
||||
AESKEYGENA xmm1_xmm2 ",0x01 \n\tcall 1b \n\t"
|
||||
AESKEYGENA xmm1_xmm2 ",0x02 \n\tcall 1b \n\t"
|
||||
AESKEYGENA xmm1_xmm2 ",0x04 \n\tcall 1b \n\t"
|
||||
AESKEYGENA xmm1_xmm2 ",0x08 \n\tcall 1b \n\t"
|
||||
AESKEYGENA xmm1_xmm2 ",0x10 \n\tcall 1b \n\t"
|
||||
AESKEYGENA xmm1_xmm2 ",0x20 \n\tcall 1b \n\t"
|
||||
AESKEYGENA xmm1_xmm2 ",0x40 \n\tcall 1b \n\t"
|
||||
:
|
||||
: "r" (rk), "r" (key)
|
||||
: "memory", "cc", "0" );
|
||||
|
||||
Loading…
Reference in New Issue
Block a user