Improve the presentation of assembly blocks
Uncrustify indents
```
asm("foo"
HELLO "bar"
"wibble");
```
but we would like
```
asm("foo"
HELLO "bar"
"wibble");
```
Make "bar" an argument of the macro HELLO, which makes the indentation from
uncrustify match the semantics (everything should be aligned to the same
column).
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
This commit is contained in:
Gilles Peskine
parent
d0f9b0bacc
commit
4e20144882
1 changed files with 118 additions and 118 deletions
236
library/aesni.c
236
library/aesni.c
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@ -69,13 +69,13 @@ int mbedtls_aesni_has_support(unsigned int what)
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* Operand macros are in gas order (src, dst) as opposed to Intel order
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* (dst, src) in order to blend better into the surrounding assembly code.
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*/
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#define AESDEC ".byte 0x66,0x0F,0x38,0xDE,"
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#define AESDECLAST ".byte 0x66,0x0F,0x38,0xDF,"
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#define AESENC ".byte 0x66,0x0F,0x38,0xDC,"
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#define AESENCLAST ".byte 0x66,0x0F,0x38,0xDD,"
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#define AESIMC ".byte 0x66,0x0F,0x38,0xDB,"
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#define AESKEYGENA ".byte 0x66,0x0F,0x3A,0xDF,"
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#define PCLMULQDQ ".byte 0x66,0x0F,0x3A,0x44,"
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#define AESDEC(regs) ".byte 0x66,0x0F,0x38,0xDE," regs "\n\t"
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#define AESDECLAST(regs) ".byte 0x66,0x0F,0x38,0xDF," regs "\n\t"
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#define AESENC(regs) ".byte 0x66,0x0F,0x38,0xDC," regs "\n\t"
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#define AESENCLAST(regs) ".byte 0x66,0x0F,0x38,0xDD," regs "\n\t"
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#define AESIMC(regs) ".byte 0x66,0x0F,0x38,0xDB," regs "\n\t"
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#define AESKEYGENA(regs, imm) ".byte 0x66,0x0F,0x3A,0xDF," regs "," imm "\n\t"
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#define PCLMULQDQ(regs, imm) ".byte 0x66,0x0F,0x3A,0x44," regs "," imm "\n\t"
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#define xmm0_xmm0 "0xC0"
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#define xmm0_xmm1 "0xC8"
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@ -103,25 +103,25 @@ int mbedtls_aesni_crypt_ecb(mbedtls_aes_context *ctx,
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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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"add $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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AESENC(xmm1_xmm0) // do round
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"add $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) // last round
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"jmp 3f \n\t"
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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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"add $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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"2: \n\t" // decryption loop
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"movdqu (%1), %%xmm1 \n\t"
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AESDEC(xmm1_xmm0) // do round
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"add $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) // last round
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"3: \n\t"
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"movdqu %%xmm0, (%4) \n\t" // 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->buf + ctx->rk_offset), "r" (mode), "r" (input), "r" (output)
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: "memory", "cc", "xmm0", "xmm1");
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@ -157,34 +157,34 @@ void mbedtls_aesni_gcm_mult(unsigned char c[16],
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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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PCLMULQDQ(xmm0_xmm1, "0x00") // a0*b0 = c1:c0
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PCLMULQDQ(xmm0_xmm2, "0x11") // a1*b1 = d1:d0
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PCLMULQDQ(xmm0_xmm3, "0x10") // a0*b1 = e1:e0
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PCLMULQDQ(xmm0_xmm4, "0x01") // 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. 18)
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*/
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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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"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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@ -192,44 +192,44 @@ void mbedtls_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\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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"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\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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"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\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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"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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"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\t" // 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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@ -255,8 +255,8 @@ void mbedtls_aesni_inverse_key(unsigned char *invkey,
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for (fk -= 16, ik += 16; fk > fwdkey; fk -= 16, ik += 16) {
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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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AESIMC(xmm0_xmm0)
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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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@ -300,16 +300,16 @@ static void aesni_setkey_enc_128(unsigned char *rk,
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/* Main "loop" */
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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"
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AESKEYGENA xmm0_xmm1 ",0x80 \n\tcall 1b \n\t"
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AESKEYGENA xmm0_xmm1 ",0x1B \n\tcall 1b \n\t"
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AESKEYGENA xmm0_xmm1 ",0x36 \n\tcall 1b \n\t"
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AESKEYGENA(xmm0_xmm1, "0x01") "call 1b \n\t"
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AESKEYGENA(xmm0_xmm1, "0x02") "call 1b \n\t"
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AESKEYGENA(xmm0_xmm1, "0x04") "call 1b \n\t"
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AESKEYGENA(xmm0_xmm1, "0x08") "call 1b \n\t"
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AESKEYGENA(xmm0_xmm1, "0x10") "call 1b \n\t"
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AESKEYGENA(xmm0_xmm1, "0x20") "call 1b \n\t"
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AESKEYGENA(xmm0_xmm1, "0x40") "call 1b \n\t"
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AESKEYGENA(xmm0_xmm1, "0x80") "call 1b \n\t"
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AESKEYGENA(xmm0_xmm1, "0x1B") "call 1b \n\t"
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AESKEYGENA(xmm0_xmm1, "0x36") "call 1b \n\t"
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:
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: "r" (rk), "r" (key)
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: "memory", "cc", "0");
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@ -358,14 +358,14 @@ static void aesni_setkey_enc_192(unsigned char *rk,
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"ret \n\t"
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"2: \n\t"
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AESKEYGENA xmm1_xmm2 ",0x01 \n\tcall 1b \n\t"
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AESKEYGENA xmm1_xmm2 ",0x02 \n\tcall 1b \n\t"
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AESKEYGENA xmm1_xmm2 ",0x04 \n\tcall 1b \n\t"
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AESKEYGENA xmm1_xmm2 ",0x08 \n\tcall 1b \n\t"
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AESKEYGENA xmm1_xmm2 ",0x10 \n\tcall 1b \n\t"
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AESKEYGENA xmm1_xmm2 ",0x20 \n\tcall 1b \n\t"
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AESKEYGENA xmm1_xmm2 ",0x40 \n\tcall 1b \n\t"
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AESKEYGENA xmm1_xmm2 ",0x80 \n\tcall 1b \n\t"
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AESKEYGENA(xmm1_xmm2, "0x01") "call 1b \n\t"
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AESKEYGENA(xmm1_xmm2, "0x02") "call 1b \n\t"
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AESKEYGENA(xmm1_xmm2, "0x04") "call 1b \n\t"
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AESKEYGENA(xmm1_xmm2, "0x08") "call 1b \n\t"
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AESKEYGENA(xmm1_xmm2, "0x10") "call 1b \n\t"
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AESKEYGENA(xmm1_xmm2, "0x20") "call 1b \n\t"
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AESKEYGENA(xmm1_xmm2, "0x40") "call 1b \n\t"
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AESKEYGENA(xmm1_xmm2, "0x80") "call 1b \n\t"
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:
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: "r" (rk), "r" (key)
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@ -408,31 +408,31 @@ static void aesni_setkey_enc_256(unsigned char *rk,
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/* Set xmm2 to stuff:Y:stuff:stuff with Y = subword( r11 )
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* and proceed to generate next round key from there */
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AESKEYGENA xmm0_xmm2 ",0x00 \n\t"
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"pshufd $0xaa, %%xmm2, %%xmm2 \n\t"
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"pxor %%xmm1, %%xmm2 \n\t"
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"pslldq $4, %%xmm1 \n\t"
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"pxor %%xmm1, %%xmm2 \n\t"
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"pslldq $4, %%xmm1 \n\t"
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"pxor %%xmm1, %%xmm2 \n\t"
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"pslldq $4, %%xmm1 \n\t"
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"pxor %%xmm2, %%xmm1 \n\t"
|
||||
"add $16, %0 \n\t"
|
||||
"movdqu %%xmm1, (%0) \n\t"
|
||||
"ret \n\t"
|
||||
AESKEYGENA(xmm0_xmm2, "0x00")
|
||||
"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 mbedtls_aes_context.buf
|
||||
*/
|
||||
"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"
|
||||
"2: \n\t"
|
||||
AESKEYGENA(xmm1_xmm2, "0x01") "call 1b \n\t"
|
||||
AESKEYGENA(xmm1_xmm2, "0x02") "call 1b \n\t"
|
||||
AESKEYGENA(xmm1_xmm2, "0x04") "call 1b \n\t"
|
||||
AESKEYGENA(xmm1_xmm2, "0x08") "call 1b \n\t"
|
||||
AESKEYGENA(xmm1_xmm2, "0x10") "call 1b \n\t"
|
||||
AESKEYGENA(xmm1_xmm2, "0x20") "call 1b \n\t"
|
||||
AESKEYGENA(xmm1_xmm2, "0x40") "call 1b \n\t"
|
||||
:
|
||||
: "r" (rk), "r" (key)
|
||||
: "memory", "cc", "0");
|
||||
|
|
|
|||
Loading…
Reference in a new issue