x86/asm/crypto: Create stack frames in crypto functions

The crypto code has several callable non-leaf functions which don't
honor CONFIG_FRAME_POINTER, which can result in bad stack traces.

Create stack frames for them when CONFIG_FRAME_POINTER is enabled.

Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Bernd Petrovitsch <bernd@petrovitsch.priv.at>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Chris J Arges <chris.j.arges@canonical.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Jiri Slaby <jslaby@suse.cz>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Michal Marek <mmarek@suse.cz>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Pedro Alves <palves@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: live-patching@vger.kernel.org
Link: http://lkml.kernel.org/r/6c20192bcf1102ae18ae5a242cabf30ce9b29895.1453405861.git.jpoimboe@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Josh Poimboeuf 2016-01-21 16:49:19 -06:00 коммит произвёл Ingo Molnar
Родитель 68874ac330
Коммит 8691ccd764
11 изменённых файлов: 148 добавлений и 27 удалений

Просмотреть файл

@ -31,6 +31,7 @@
#include <linux/linkage.h>
#include <asm/inst.h>
#include <asm/frame.h>
/*
* The following macros are used to move an (un)aligned 16 byte value to/from
@ -1800,11 +1801,12 @@ ENDPROC(_key_expansion_256b)
* unsigned int key_len)
*/
ENTRY(aesni_set_key)
FRAME_BEGIN
#ifndef __x86_64__
pushl KEYP
movl 8(%esp), KEYP # ctx
movl 12(%esp), UKEYP # in_key
movl 16(%esp), %edx # key_len
movl (FRAME_OFFSET+8)(%esp), KEYP # ctx
movl (FRAME_OFFSET+12)(%esp), UKEYP # in_key
movl (FRAME_OFFSET+16)(%esp), %edx # key_len
#endif
movups (UKEYP), %xmm0 # user key (first 16 bytes)
movaps %xmm0, (KEYP)
@ -1905,6 +1907,7 @@ ENTRY(aesni_set_key)
#ifndef __x86_64__
popl KEYP
#endif
FRAME_END
ret
ENDPROC(aesni_set_key)
@ -1912,12 +1915,13 @@ ENDPROC(aesni_set_key)
* void aesni_enc(struct crypto_aes_ctx *ctx, u8 *dst, const u8 *src)
*/
ENTRY(aesni_enc)
FRAME_BEGIN
#ifndef __x86_64__
pushl KEYP
pushl KLEN
movl 12(%esp), KEYP
movl 16(%esp), OUTP
movl 20(%esp), INP
movl (FRAME_OFFSET+12)(%esp), KEYP # ctx
movl (FRAME_OFFSET+16)(%esp), OUTP # dst
movl (FRAME_OFFSET+20)(%esp), INP # src
#endif
movl 480(KEYP), KLEN # key length
movups (INP), STATE # input
@ -1927,6 +1931,7 @@ ENTRY(aesni_enc)
popl KLEN
popl KEYP
#endif
FRAME_END
ret
ENDPROC(aesni_enc)
@ -2101,12 +2106,13 @@ ENDPROC(_aesni_enc4)
* void aesni_dec (struct crypto_aes_ctx *ctx, u8 *dst, const u8 *src)
*/
ENTRY(aesni_dec)
FRAME_BEGIN
#ifndef __x86_64__
pushl KEYP
pushl KLEN
movl 12(%esp), KEYP
movl 16(%esp), OUTP
movl 20(%esp), INP
movl (FRAME_OFFSET+12)(%esp), KEYP # ctx
movl (FRAME_OFFSET+16)(%esp), OUTP # dst
movl (FRAME_OFFSET+20)(%esp), INP # src
#endif
mov 480(KEYP), KLEN # key length
add $240, KEYP
@ -2117,6 +2123,7 @@ ENTRY(aesni_dec)
popl KLEN
popl KEYP
#endif
FRAME_END
ret
ENDPROC(aesni_dec)
@ -2292,14 +2299,15 @@ ENDPROC(_aesni_dec4)
* size_t len)
*/
ENTRY(aesni_ecb_enc)
FRAME_BEGIN
#ifndef __x86_64__
pushl LEN
pushl KEYP
pushl KLEN
movl 16(%esp), KEYP
movl 20(%esp), OUTP
movl 24(%esp), INP
movl 28(%esp), LEN
movl (FRAME_OFFSET+16)(%esp), KEYP # ctx
movl (FRAME_OFFSET+20)(%esp), OUTP # dst
movl (FRAME_OFFSET+24)(%esp), INP # src
movl (FRAME_OFFSET+28)(%esp), LEN # len
#endif
test LEN, LEN # check length
jz .Lecb_enc_ret
@ -2342,6 +2350,7 @@ ENTRY(aesni_ecb_enc)
popl KEYP
popl LEN
#endif
FRAME_END
ret
ENDPROC(aesni_ecb_enc)
@ -2350,14 +2359,15 @@ ENDPROC(aesni_ecb_enc)
* size_t len);
*/
ENTRY(aesni_ecb_dec)
FRAME_BEGIN
#ifndef __x86_64__
pushl LEN
pushl KEYP
pushl KLEN
movl 16(%esp), KEYP
movl 20(%esp), OUTP
movl 24(%esp), INP
movl 28(%esp), LEN
movl (FRAME_OFFSET+16)(%esp), KEYP # ctx
movl (FRAME_OFFSET+20)(%esp), OUTP # dst
movl (FRAME_OFFSET+24)(%esp), INP # src
movl (FRAME_OFFSET+28)(%esp), LEN # len
#endif
test LEN, LEN
jz .Lecb_dec_ret
@ -2401,6 +2411,7 @@ ENTRY(aesni_ecb_dec)
popl KEYP
popl LEN
#endif
FRAME_END
ret
ENDPROC(aesni_ecb_dec)
@ -2409,16 +2420,17 @@ ENDPROC(aesni_ecb_dec)
* size_t len, u8 *iv)
*/
ENTRY(aesni_cbc_enc)
FRAME_BEGIN
#ifndef __x86_64__
pushl IVP
pushl LEN
pushl KEYP
pushl KLEN
movl 20(%esp), KEYP
movl 24(%esp), OUTP
movl 28(%esp), INP
movl 32(%esp), LEN
movl 36(%esp), IVP
movl (FRAME_OFFSET+20)(%esp), KEYP # ctx
movl (FRAME_OFFSET+24)(%esp), OUTP # dst
movl (FRAME_OFFSET+28)(%esp), INP # src
movl (FRAME_OFFSET+32)(%esp), LEN # len
movl (FRAME_OFFSET+36)(%esp), IVP # iv
#endif
cmp $16, LEN
jb .Lcbc_enc_ret
@ -2443,6 +2455,7 @@ ENTRY(aesni_cbc_enc)
popl LEN
popl IVP
#endif
FRAME_END
ret
ENDPROC(aesni_cbc_enc)
@ -2451,16 +2464,17 @@ ENDPROC(aesni_cbc_enc)
* size_t len, u8 *iv)
*/
ENTRY(aesni_cbc_dec)
FRAME_BEGIN
#ifndef __x86_64__
pushl IVP
pushl LEN
pushl KEYP
pushl KLEN
movl 20(%esp), KEYP
movl 24(%esp), OUTP
movl 28(%esp), INP
movl 32(%esp), LEN
movl 36(%esp), IVP
movl (FRAME_OFFSET+20)(%esp), KEYP # ctx
movl (FRAME_OFFSET+24)(%esp), OUTP # dst
movl (FRAME_OFFSET+28)(%esp), INP # src
movl (FRAME_OFFSET+32)(%esp), LEN # len
movl (FRAME_OFFSET+36)(%esp), IVP # iv
#endif
cmp $16, LEN
jb .Lcbc_dec_just_ret
@ -2534,6 +2548,7 @@ ENTRY(aesni_cbc_dec)
popl LEN
popl IVP
#endif
FRAME_END
ret
ENDPROC(aesni_cbc_dec)
@ -2600,6 +2615,7 @@ ENDPROC(_aesni_inc)
* size_t len, u8 *iv)
*/
ENTRY(aesni_ctr_enc)
FRAME_BEGIN
cmp $16, LEN
jb .Lctr_enc_just_ret
mov 480(KEYP), KLEN
@ -2653,6 +2669,7 @@ ENTRY(aesni_ctr_enc)
.Lctr_enc_ret:
movups IV, (IVP)
.Lctr_enc_just_ret:
FRAME_END
ret
ENDPROC(aesni_ctr_enc)
@ -2679,6 +2696,7 @@ ENDPROC(aesni_ctr_enc)
* bool enc, u8 *iv)
*/
ENTRY(aesni_xts_crypt8)
FRAME_BEGIN
cmpb $0, %cl
movl $0, %ecx
movl $240, %r10d
@ -2779,6 +2797,7 @@ ENTRY(aesni_xts_crypt8)
pxor INC, STATE4
movdqu STATE4, 0x70(OUTP)
FRAME_END
ret
ENDPROC(aesni_xts_crypt8)

Просмотреть файл

@ -16,6 +16,7 @@
*/
#include <linux/linkage.h>
#include <asm/frame.h>
#define CAMELLIA_TABLE_BYTE_LEN 272
@ -726,6 +727,7 @@ __camellia_enc_blk16:
* %xmm0..%xmm15: 16 encrypted blocks, order swapped:
* 7, 8, 6, 5, 4, 3, 2, 1, 0, 15, 14, 13, 12, 11, 10, 9, 8
*/
FRAME_BEGIN
leaq 8 * 16(%rax), %rcx;
@ -780,6 +782,7 @@ __camellia_enc_blk16:
%xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14,
%xmm15, (key_table)(CTX, %r8, 8), (%rax), 1 * 16(%rax));
FRAME_END
ret;
.align 8
@ -812,6 +815,7 @@ __camellia_dec_blk16:
* %xmm0..%xmm15: 16 plaintext blocks, order swapped:
* 7, 8, 6, 5, 4, 3, 2, 1, 0, 15, 14, 13, 12, 11, 10, 9, 8
*/
FRAME_BEGIN
leaq 8 * 16(%rax), %rcx;
@ -865,6 +869,7 @@ __camellia_dec_blk16:
%xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14,
%xmm15, (key_table)(CTX), (%rax), 1 * 16(%rax));
FRAME_END
ret;
.align 8
@ -890,6 +895,7 @@ ENTRY(camellia_ecb_enc_16way)
* %rsi: dst (16 blocks)
* %rdx: src (16 blocks)
*/
FRAME_BEGIN
inpack16_pre(%xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7,
%xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14,
@ -904,6 +910,7 @@ ENTRY(camellia_ecb_enc_16way)
%xmm15, %xmm14, %xmm13, %xmm12, %xmm11, %xmm10, %xmm9,
%xmm8, %rsi);
FRAME_END
ret;
ENDPROC(camellia_ecb_enc_16way)
@ -913,6 +920,7 @@ ENTRY(camellia_ecb_dec_16way)
* %rsi: dst (16 blocks)
* %rdx: src (16 blocks)
*/
FRAME_BEGIN
cmpl $16, key_length(CTX);
movl $32, %r8d;
@ -932,6 +940,7 @@ ENTRY(camellia_ecb_dec_16way)
%xmm15, %xmm14, %xmm13, %xmm12, %xmm11, %xmm10, %xmm9,
%xmm8, %rsi);
FRAME_END
ret;
ENDPROC(camellia_ecb_dec_16way)
@ -941,6 +950,7 @@ ENTRY(camellia_cbc_dec_16way)
* %rsi: dst (16 blocks)
* %rdx: src (16 blocks)
*/
FRAME_BEGIN
cmpl $16, key_length(CTX);
movl $32, %r8d;
@ -981,6 +991,7 @@ ENTRY(camellia_cbc_dec_16way)
%xmm15, %xmm14, %xmm13, %xmm12, %xmm11, %xmm10, %xmm9,
%xmm8, %rsi);
FRAME_END
ret;
ENDPROC(camellia_cbc_dec_16way)
@ -997,6 +1008,7 @@ ENTRY(camellia_ctr_16way)
* %rdx: src (16 blocks)
* %rcx: iv (little endian, 128bit)
*/
FRAME_BEGIN
subq $(16 * 16), %rsp;
movq %rsp, %rax;
@ -1092,6 +1104,7 @@ ENTRY(camellia_ctr_16way)
%xmm15, %xmm14, %xmm13, %xmm12, %xmm11, %xmm10, %xmm9,
%xmm8, %rsi);
FRAME_END
ret;
ENDPROC(camellia_ctr_16way)
@ -1112,6 +1125,7 @@ camellia_xts_crypt_16way:
* %r8: index for input whitening key
* %r9: pointer to __camellia_enc_blk16 or __camellia_dec_blk16
*/
FRAME_BEGIN
subq $(16 * 16), %rsp;
movq %rsp, %rax;
@ -1234,6 +1248,7 @@ camellia_xts_crypt_16way:
%xmm15, %xmm14, %xmm13, %xmm12, %xmm11, %xmm10, %xmm9,
%xmm8, %rsi);
FRAME_END
ret;
ENDPROC(camellia_xts_crypt_16way)

Просмотреть файл

@ -11,6 +11,7 @@
*/
#include <linux/linkage.h>
#include <asm/frame.h>
#define CAMELLIA_TABLE_BYTE_LEN 272
@ -766,6 +767,7 @@ __camellia_enc_blk32:
* %ymm0..%ymm15: 32 encrypted blocks, order swapped:
* 7, 8, 6, 5, 4, 3, 2, 1, 0, 15, 14, 13, 12, 11, 10, 9, 8
*/
FRAME_BEGIN
leaq 8 * 32(%rax), %rcx;
@ -820,6 +822,7 @@ __camellia_enc_blk32:
%ymm8, %ymm9, %ymm10, %ymm11, %ymm12, %ymm13, %ymm14,
%ymm15, (key_table)(CTX, %r8, 8), (%rax), 1 * 32(%rax));
FRAME_END
ret;
.align 8
@ -852,6 +855,7 @@ __camellia_dec_blk32:
* %ymm0..%ymm15: 16 plaintext blocks, order swapped:
* 7, 8, 6, 5, 4, 3, 2, 1, 0, 15, 14, 13, 12, 11, 10, 9, 8
*/
FRAME_BEGIN
leaq 8 * 32(%rax), %rcx;
@ -905,6 +909,7 @@ __camellia_dec_blk32:
%ymm8, %ymm9, %ymm10, %ymm11, %ymm12, %ymm13, %ymm14,
%ymm15, (key_table)(CTX), (%rax), 1 * 32(%rax));
FRAME_END
ret;
.align 8
@ -930,6 +935,7 @@ ENTRY(camellia_ecb_enc_32way)
* %rsi: dst (32 blocks)
* %rdx: src (32 blocks)
*/
FRAME_BEGIN
vzeroupper;
@ -948,6 +954,7 @@ ENTRY(camellia_ecb_enc_32way)
vzeroupper;
FRAME_END
ret;
ENDPROC(camellia_ecb_enc_32way)
@ -957,6 +964,7 @@ ENTRY(camellia_ecb_dec_32way)
* %rsi: dst (32 blocks)
* %rdx: src (32 blocks)
*/
FRAME_BEGIN
vzeroupper;
@ -980,6 +988,7 @@ ENTRY(camellia_ecb_dec_32way)
vzeroupper;
FRAME_END
ret;
ENDPROC(camellia_ecb_dec_32way)
@ -989,6 +998,7 @@ ENTRY(camellia_cbc_dec_32way)
* %rsi: dst (32 blocks)
* %rdx: src (32 blocks)
*/
FRAME_BEGIN
vzeroupper;
@ -1046,6 +1056,7 @@ ENTRY(camellia_cbc_dec_32way)
vzeroupper;
FRAME_END
ret;
ENDPROC(camellia_cbc_dec_32way)
@ -1070,6 +1081,7 @@ ENTRY(camellia_ctr_32way)
* %rdx: src (32 blocks)
* %rcx: iv (little endian, 128bit)
*/
FRAME_BEGIN
vzeroupper;
@ -1184,6 +1196,7 @@ ENTRY(camellia_ctr_32way)
vzeroupper;
FRAME_END
ret;
ENDPROC(camellia_ctr_32way)
@ -1216,6 +1229,7 @@ camellia_xts_crypt_32way:
* %r8: index for input whitening key
* %r9: pointer to __camellia_enc_blk32 or __camellia_dec_blk32
*/
FRAME_BEGIN
vzeroupper;
@ -1349,6 +1363,7 @@ camellia_xts_crypt_32way:
vzeroupper;
FRAME_END
ret;
ENDPROC(camellia_xts_crypt_32way)

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@ -24,6 +24,7 @@
*/
#include <linux/linkage.h>
#include <asm/frame.h>
.file "cast5-avx-x86_64-asm_64.S"
@ -365,6 +366,7 @@ ENTRY(cast5_ecb_enc_16way)
* %rsi: dst
* %rdx: src
*/
FRAME_BEGIN
movq %rsi, %r11;
@ -388,6 +390,7 @@ ENTRY(cast5_ecb_enc_16way)
vmovdqu RR4, (6*4*4)(%r11);
vmovdqu RL4, (7*4*4)(%r11);
FRAME_END
ret;
ENDPROC(cast5_ecb_enc_16way)
@ -398,6 +401,7 @@ ENTRY(cast5_ecb_dec_16way)
* %rdx: src
*/
FRAME_BEGIN
movq %rsi, %r11;
vmovdqu (0*4*4)(%rdx), RL1;
@ -420,6 +424,7 @@ ENTRY(cast5_ecb_dec_16way)
vmovdqu RR4, (6*4*4)(%r11);
vmovdqu RL4, (7*4*4)(%r11);
FRAME_END
ret;
ENDPROC(cast5_ecb_dec_16way)
@ -429,6 +434,7 @@ ENTRY(cast5_cbc_dec_16way)
* %rsi: dst
* %rdx: src
*/
FRAME_BEGIN
pushq %r12;
@ -469,6 +475,7 @@ ENTRY(cast5_cbc_dec_16way)
popq %r12;
FRAME_END
ret;
ENDPROC(cast5_cbc_dec_16way)
@ -479,6 +486,7 @@ ENTRY(cast5_ctr_16way)
* %rdx: src
* %rcx: iv (big endian, 64bit)
*/
FRAME_BEGIN
pushq %r12;
@ -542,5 +550,6 @@ ENTRY(cast5_ctr_16way)
popq %r12;
FRAME_END
ret;
ENDPROC(cast5_ctr_16way)

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@ -24,6 +24,7 @@
*/
#include <linux/linkage.h>
#include <asm/frame.h>
#include "glue_helper-asm-avx.S"
.file "cast6-avx-x86_64-asm_64.S"
@ -349,6 +350,7 @@ ENTRY(cast6_ecb_enc_8way)
* %rsi: dst
* %rdx: src
*/
FRAME_BEGIN
movq %rsi, %r11;
@ -358,6 +360,7 @@ ENTRY(cast6_ecb_enc_8way)
store_8way(%r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2);
FRAME_END
ret;
ENDPROC(cast6_ecb_enc_8way)
@ -367,6 +370,7 @@ ENTRY(cast6_ecb_dec_8way)
* %rsi: dst
* %rdx: src
*/
FRAME_BEGIN
movq %rsi, %r11;
@ -376,6 +380,7 @@ ENTRY(cast6_ecb_dec_8way)
store_8way(%r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2);
FRAME_END
ret;
ENDPROC(cast6_ecb_dec_8way)
@ -385,6 +390,7 @@ ENTRY(cast6_cbc_dec_8way)
* %rsi: dst
* %rdx: src
*/
FRAME_BEGIN
pushq %r12;
@ -399,6 +405,7 @@ ENTRY(cast6_cbc_dec_8way)
popq %r12;
FRAME_END
ret;
ENDPROC(cast6_cbc_dec_8way)
@ -409,6 +416,7 @@ ENTRY(cast6_ctr_8way)
* %rdx: src
* %rcx: iv (little endian, 128bit)
*/
FRAME_BEGIN
pushq %r12;
@ -424,6 +432,7 @@ ENTRY(cast6_ctr_8way)
popq %r12;
FRAME_END
ret;
ENDPROC(cast6_ctr_8way)
@ -434,6 +443,7 @@ ENTRY(cast6_xts_enc_8way)
* %rdx: src
* %rcx: iv (t α GF(2¹²))
*/
FRAME_BEGIN
movq %rsi, %r11;
@ -446,6 +456,7 @@ ENTRY(cast6_xts_enc_8way)
/* dst <= regs xor IVs(in dst) */
store_xts_8way(%r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2);
FRAME_END
ret;
ENDPROC(cast6_xts_enc_8way)
@ -456,6 +467,7 @@ ENTRY(cast6_xts_dec_8way)
* %rdx: src
* %rcx: iv (t α GF(2¹²))
*/
FRAME_BEGIN
movq %rsi, %r11;
@ -468,5 +480,6 @@ ENTRY(cast6_xts_dec_8way)
/* dst <= regs xor IVs(in dst) */
store_xts_8way(%r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2);
FRAME_END
ret;
ENDPROC(cast6_xts_dec_8way)

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@ -18,6 +18,7 @@
#include <linux/linkage.h>
#include <asm/inst.h>
#include <asm/frame.h>
.data
@ -94,6 +95,7 @@ ENDPROC(__clmul_gf128mul_ble)
/* void clmul_ghash_mul(char *dst, const u128 *shash) */
ENTRY(clmul_ghash_mul)
FRAME_BEGIN
movups (%rdi), DATA
movups (%rsi), SHASH
movaps .Lbswap_mask, BSWAP
@ -101,6 +103,7 @@ ENTRY(clmul_ghash_mul)
call __clmul_gf128mul_ble
PSHUFB_XMM BSWAP DATA
movups DATA, (%rdi)
FRAME_END
ret
ENDPROC(clmul_ghash_mul)
@ -109,6 +112,7 @@ ENDPROC(clmul_ghash_mul)
* const u128 *shash);
*/
ENTRY(clmul_ghash_update)
FRAME_BEGIN
cmp $16, %rdx
jb .Lupdate_just_ret # check length
movaps .Lbswap_mask, BSWAP
@ -128,5 +132,6 @@ ENTRY(clmul_ghash_update)
PSHUFB_XMM BSWAP DATA
movups DATA, (%rdi)
.Lupdate_just_ret:
FRAME_END
ret
ENDPROC(clmul_ghash_update)

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@ -24,6 +24,7 @@
*/
#include <linux/linkage.h>
#include <asm/frame.h>
#include "glue_helper-asm-avx.S"
.file "serpent-avx-x86_64-asm_64.S"
@ -681,6 +682,7 @@ ENTRY(serpent_ecb_enc_8way_avx)
* %rsi: dst
* %rdx: src
*/
FRAME_BEGIN
load_8way(%rdx, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2);
@ -688,6 +690,7 @@ ENTRY(serpent_ecb_enc_8way_avx)
store_8way(%rsi, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2);
FRAME_END
ret;
ENDPROC(serpent_ecb_enc_8way_avx)
@ -697,6 +700,7 @@ ENTRY(serpent_ecb_dec_8way_avx)
* %rsi: dst
* %rdx: src
*/
FRAME_BEGIN
load_8way(%rdx, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2);
@ -704,6 +708,7 @@ ENTRY(serpent_ecb_dec_8way_avx)
store_8way(%rsi, RC1, RD1, RB1, RE1, RC2, RD2, RB2, RE2);
FRAME_END
ret;
ENDPROC(serpent_ecb_dec_8way_avx)
@ -713,6 +718,7 @@ ENTRY(serpent_cbc_dec_8way_avx)
* %rsi: dst
* %rdx: src
*/
FRAME_BEGIN
load_8way(%rdx, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2);
@ -720,6 +726,7 @@ ENTRY(serpent_cbc_dec_8way_avx)
store_cbc_8way(%rdx, %rsi, RC1, RD1, RB1, RE1, RC2, RD2, RB2, RE2);
FRAME_END
ret;
ENDPROC(serpent_cbc_dec_8way_avx)
@ -730,6 +737,7 @@ ENTRY(serpent_ctr_8way_avx)
* %rdx: src
* %rcx: iv (little endian, 128bit)
*/
FRAME_BEGIN
load_ctr_8way(%rcx, .Lbswap128_mask, RA1, RB1, RC1, RD1, RA2, RB2, RC2,
RD2, RK0, RK1, RK2);
@ -738,6 +746,7 @@ ENTRY(serpent_ctr_8way_avx)
store_ctr_8way(%rdx, %rsi, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2);
FRAME_END
ret;
ENDPROC(serpent_ctr_8way_avx)
@ -748,6 +757,7 @@ ENTRY(serpent_xts_enc_8way_avx)
* %rdx: src
* %rcx: iv (t α GF(2¹²))
*/
FRAME_BEGIN
/* regs <= src, dst <= IVs, regs <= regs xor IVs */
load_xts_8way(%rcx, %rdx, %rsi, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2,
@ -758,6 +768,7 @@ ENTRY(serpent_xts_enc_8way_avx)
/* dst <= regs xor IVs(in dst) */
store_xts_8way(%rsi, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2);
FRAME_END
ret;
ENDPROC(serpent_xts_enc_8way_avx)
@ -768,6 +779,7 @@ ENTRY(serpent_xts_dec_8way_avx)
* %rdx: src
* %rcx: iv (t α GF(2¹²))
*/
FRAME_BEGIN
/* regs <= src, dst <= IVs, regs <= regs xor IVs */
load_xts_8way(%rcx, %rdx, %rsi, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2,
@ -778,5 +790,6 @@ ENTRY(serpent_xts_dec_8way_avx)
/* dst <= regs xor IVs(in dst) */
store_xts_8way(%rsi, RC1, RD1, RB1, RE1, RC2, RD2, RB2, RE2);
FRAME_END
ret;
ENDPROC(serpent_xts_dec_8way_avx)

Просмотреть файл

@ -15,6 +15,7 @@
*/
#include <linux/linkage.h>
#include <asm/frame.h>
#include "glue_helper-asm-avx2.S"
.file "serpent-avx2-asm_64.S"
@ -673,6 +674,7 @@ ENTRY(serpent_ecb_enc_16way)
* %rsi: dst
* %rdx: src
*/
FRAME_BEGIN
vzeroupper;
@ -684,6 +686,7 @@ ENTRY(serpent_ecb_enc_16way)
vzeroupper;
FRAME_END
ret;
ENDPROC(serpent_ecb_enc_16way)
@ -693,6 +696,7 @@ ENTRY(serpent_ecb_dec_16way)
* %rsi: dst
* %rdx: src
*/
FRAME_BEGIN
vzeroupper;
@ -704,6 +708,7 @@ ENTRY(serpent_ecb_dec_16way)
vzeroupper;
FRAME_END
ret;
ENDPROC(serpent_ecb_dec_16way)
@ -713,6 +718,7 @@ ENTRY(serpent_cbc_dec_16way)
* %rsi: dst
* %rdx: src
*/
FRAME_BEGIN
vzeroupper;
@ -725,6 +731,7 @@ ENTRY(serpent_cbc_dec_16way)
vzeroupper;
FRAME_END
ret;
ENDPROC(serpent_cbc_dec_16way)
@ -735,6 +742,7 @@ ENTRY(serpent_ctr_16way)
* %rdx: src (16 blocks)
* %rcx: iv (little endian, 128bit)
*/
FRAME_BEGIN
vzeroupper;
@ -748,6 +756,7 @@ ENTRY(serpent_ctr_16way)
vzeroupper;
FRAME_END
ret;
ENDPROC(serpent_ctr_16way)
@ -758,6 +767,7 @@ ENTRY(serpent_xts_enc_16way)
* %rdx: src (16 blocks)
* %rcx: iv (t α GF(2¹²))
*/
FRAME_BEGIN
vzeroupper;
@ -772,6 +782,7 @@ ENTRY(serpent_xts_enc_16way)
vzeroupper;
FRAME_END
ret;
ENDPROC(serpent_xts_enc_16way)
@ -782,6 +793,7 @@ ENTRY(serpent_xts_dec_16way)
* %rdx: src (16 blocks)
* %rcx: iv (t α GF(2¹²))
*/
FRAME_BEGIN
vzeroupper;
@ -796,5 +808,6 @@ ENTRY(serpent_xts_dec_16way)
vzeroupper;
FRAME_END
ret;
ENDPROC(serpent_xts_dec_16way)

Просмотреть файл

@ -52,6 +52,7 @@
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <linux/linkage.h>
#include <asm/frame.h>
#include "sha1_mb_mgr_datastruct.S"
@ -103,6 +104,7 @@ offset = \_offset
# JOB* sha1_mb_mgr_flush_avx2(MB_MGR *state)
# arg 1 : rcx : state
ENTRY(sha1_mb_mgr_flush_avx2)
FRAME_BEGIN
push %rbx
# If bit (32+3) is set, then all lanes are empty
@ -212,6 +214,7 @@ len_is_0:
return:
pop %rbx
FRAME_END
ret
return_null:

Просмотреть файл

@ -53,6 +53,7 @@
*/
#include <linux/linkage.h>
#include <asm/frame.h>
#include "sha1_mb_mgr_datastruct.S"
@ -98,6 +99,7 @@ lane_data = %r10
# arg 1 : rcx : state
# arg 2 : rdx : job
ENTRY(sha1_mb_mgr_submit_avx2)
FRAME_BEGIN
push %rbx
push %r12
@ -192,6 +194,7 @@ len_is_0:
return:
pop %r12
pop %rbx
FRAME_END
ret
return_null:

Просмотреть файл

@ -24,6 +24,7 @@
*/
#include <linux/linkage.h>
#include <asm/frame.h>
#include "glue_helper-asm-avx.S"
.file "twofish-avx-x86_64-asm_64.S"
@ -333,6 +334,7 @@ ENTRY(twofish_ecb_enc_8way)
* %rsi: dst
* %rdx: src
*/
FRAME_BEGIN
movq %rsi, %r11;
@ -342,6 +344,7 @@ ENTRY(twofish_ecb_enc_8way)
store_8way(%r11, RC1, RD1, RA1, RB1, RC2, RD2, RA2, RB2);
FRAME_END
ret;
ENDPROC(twofish_ecb_enc_8way)
@ -351,6 +354,7 @@ ENTRY(twofish_ecb_dec_8way)
* %rsi: dst
* %rdx: src
*/
FRAME_BEGIN
movq %rsi, %r11;
@ -360,6 +364,7 @@ ENTRY(twofish_ecb_dec_8way)
store_8way(%r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2);
FRAME_END
ret;
ENDPROC(twofish_ecb_dec_8way)
@ -369,6 +374,7 @@ ENTRY(twofish_cbc_dec_8way)
* %rsi: dst
* %rdx: src
*/
FRAME_BEGIN
pushq %r12;
@ -383,6 +389,7 @@ ENTRY(twofish_cbc_dec_8way)
popq %r12;
FRAME_END
ret;
ENDPROC(twofish_cbc_dec_8way)
@ -393,6 +400,7 @@ ENTRY(twofish_ctr_8way)
* %rdx: src
* %rcx: iv (little endian, 128bit)
*/
FRAME_BEGIN
pushq %r12;
@ -408,6 +416,7 @@ ENTRY(twofish_ctr_8way)
popq %r12;
FRAME_END
ret;
ENDPROC(twofish_ctr_8way)
@ -418,6 +427,7 @@ ENTRY(twofish_xts_enc_8way)
* %rdx: src
* %rcx: iv (t α GF(2¹²))
*/
FRAME_BEGIN
movq %rsi, %r11;
@ -430,6 +440,7 @@ ENTRY(twofish_xts_enc_8way)
/* dst <= regs xor IVs(in dst) */
store_xts_8way(%r11, RC1, RD1, RA1, RB1, RC2, RD2, RA2, RB2);
FRAME_END
ret;
ENDPROC(twofish_xts_enc_8way)
@ -440,6 +451,7 @@ ENTRY(twofish_xts_dec_8way)
* %rdx: src
* %rcx: iv (t α GF(2¹²))
*/
FRAME_BEGIN
movq %rsi, %r11;
@ -452,5 +464,6 @@ ENTRY(twofish_xts_dec_8way)
/* dst <= regs xor IVs(in dst) */
store_xts_8way(%r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2);
FRAME_END
ret;
ENDPROC(twofish_xts_dec_8way)