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crypto: x86/salsa20 - assembler cleanup, use ENTRY/ENDPROC for assember functions and rename ECRYPT_* to salsa20_* 

Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Jussi Kivilinna 2013-01-19 13:39:31 +02:00 committed by Herbert Xu
parent b05d3f3756
commit 044438082c
3 changed files with 27 additions and 34 deletions
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28
arch/x86/crypto/salsa20-i586-asm_32.S
View File

@ -2,11 +2,12 @@
# D. J. Bernstein
# Public domain.
# enter ECRYPT_encrypt_bytes
#include <linux/linkage.h>
.text
.p2align 5
.globl ECRYPT_encrypt_bytes
ECRYPT_encrypt_bytes:
# enter salsa20_encrypt_bytes
ENTRY(salsa20_encrypt_bytes)
mov %esp,%eax
and $31,%eax
add $256,%eax
@ -933,11 +934,10 @@ ECRYPT_encrypt_bytes:
add $64,%esi
# goto bytesatleast1
jmp ._bytesatleast1
# enter ECRYPT_keysetup
.text
.p2align 5
.globl ECRYPT_keysetup
ECRYPT_keysetup:
ENDPROC(salsa20_encrypt_bytes)
# enter salsa20_keysetup
ENTRY(salsa20_keysetup)
mov %esp,%eax
and $31,%eax
add $256,%eax
@ -1060,11 +1060,10 @@ ECRYPT_keysetup:
# leave
add %eax,%esp
ret
# enter ECRYPT_ivsetup
.text
.p2align 5
.globl ECRYPT_ivsetup
ECRYPT_ivsetup:
ENDPROC(salsa20_keysetup)
# enter salsa20_ivsetup
ENTRY(salsa20_ivsetup)
mov %esp,%eax
and $31,%eax
add $256,%eax
@ -1112,3 +1111,4 @@ ECRYPT_ivsetup:
# leave
add %eax,%esp
ret
ENDPROC(salsa20_ivsetup)

28
arch/x86/crypto/salsa20-x86_64-asm_64.S
View File

@ -1,8 +1,7 @@
# enter ECRYPT_encrypt_bytes
.text
.p2align 5
.globl ECRYPT_encrypt_bytes
ECRYPT_encrypt_bytes:
#include <linux/linkage.h>
# enter salsa20_encrypt_bytes
ENTRY(salsa20_encrypt_bytes)
mov %rsp,%r11
and $31,%r11
add $256,%r11
@ -802,11 +801,10 @@ ECRYPT_encrypt_bytes:
# comment:fp stack unchanged by jump
# goto bytesatleast1
jmp ._bytesatleast1
# enter ECRYPT_keysetup
.text
.p2align 5
.globl ECRYPT_keysetup
ECRYPT_keysetup:
ENDPROC(salsa20_encrypt_bytes)
# enter salsa20_keysetup
ENTRY(salsa20_keysetup)
mov %rsp,%r11
and $31,%r11
add $256,%r11
@ -892,11 +890,10 @@ ECRYPT_keysetup:
mov %rdi,%rax
mov %rsi,%rdx
ret
# enter ECRYPT_ivsetup
.text
.p2align 5
.globl ECRYPT_ivsetup
ECRYPT_ivsetup:
ENDPROC(salsa20_keysetup)
# enter salsa20_ivsetup
ENTRY(salsa20_ivsetup)
mov %rsp,%r11
and $31,%r11
add $256,%r11
@ -918,3 +915,4 @@ ECRYPT_ivsetup:
mov %rdi,%rax
mov %rsi,%rdx
ret
ENDPROC(salsa20_ivsetup)

5
arch/x86/crypto/salsa20_glue.c
View File

@ -26,11 +26,6 @@
#define SALSA20_MIN_KEY_SIZE 16U
#define SALSA20_MAX_KEY_SIZE 32U
// use the ECRYPT_* function names
#define salsa20_keysetup ECRYPT_keysetup
#define salsa20_ivsetup ECRYPT_ivsetup
#define salsa20_encrypt_bytes ECRYPT_encrypt_bytes
struct salsa20_ctx
{
u32 input[16];