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authorLinus Torvalds <torvalds@g5.osdl.org>2006-06-26 22:03:29 +0400
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-26 22:03:29 +0400
commit972d19e837833b93466c6f6a8ef2a7d653000aa3 (patch)
tree069258492d5347cf440b8240dadfa20621f54842 /arch/i386/crypto/aes-i586-asm.S
parentcdf4f383a4b0ffbf458f65380ecffbeee1f79841 (diff)
parentb9d0a25a484a90c1d60b974d115eff2fe580ce16 (diff)
downloadlinux-972d19e837833b93466c6f6a8ef2a7d653000aa3.tar.xz
Merge master.kernel.org:/pub/scm/linux/kernel/git/herbert/crypto-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/herbert/crypto-2.6: [CRYPTO] tcrypt: Forbid tcrypt from being built-in [CRYPTO] aes: Add wrappers for assembly routines [CRYPTO] tcrypt: Speed benchmark support for digest algorithms [CRYPTO] tcrypt: Return -EAGAIN from module_init() [CRYPTO] api: Allow replacement when registering new algorithms [CRYPTO] api: Removed const from cra_name/cra_driver_name [CRYPTO] api: Added cra_init/cra_exit [CRYPTO] api: Fixed incorrect passing of context instead of tfm [CRYPTO] padlock: Rearrange context structure to reduce code size [CRYPTO] all: Pass tfm instead of ctx to algorithms [CRYPTO] digest: Remove unnecessary zeroing during init [CRYPTO] aes-i586: Get rid of useless function wrappers [CRYPTO] digest: Add alignment handling [CRYPTO] khazad: Use 32-bit reads on key
Diffstat (limited to 'arch/i386/crypto/aes-i586-asm.S')
-rw-r--r--arch/i386/crypto/aes-i586-asm.S29
1 files changed, 14 insertions, 15 deletions
diff --git a/arch/i386/crypto/aes-i586-asm.S b/arch/i386/crypto/aes-i586-asm.S
index 911b15377f2e..f942f0c8f630 100644
--- a/arch/i386/crypto/aes-i586-asm.S
+++ b/arch/i386/crypto/aes-i586-asm.S
@@ -36,22 +36,19 @@
.file "aes-i586-asm.S"
.text
-// aes_rval aes_enc_blk(const unsigned char in_blk[], unsigned char out_blk[], const aes_ctx cx[1])//
-// aes_rval aes_dec_blk(const unsigned char in_blk[], unsigned char out_blk[], const aes_ctx cx[1])//
-
-#define tlen 1024 // length of each of 4 'xor' arrays (256 32-bit words)
+#include <asm/asm-offsets.h>
-// offsets to parameters with one register pushed onto stack
-
-#define in_blk 8 // input byte array address parameter
-#define out_blk 12 // output byte array address parameter
-#define ctx 16 // AES context structure
+#define tlen 1024 // length of each of 4 'xor' arrays (256 32-bit words)
-// offsets in context structure
+/* offsets to parameters with one register pushed onto stack */
+#define tfm 8
+#define out_blk 12
+#define in_blk 16
-#define ekey 0 // encryption key schedule base address
-#define nrnd 256 // number of rounds
-#define dkey 260 // decryption key schedule base address
+/* offsets in crypto_tfm structure */
+#define ekey (crypto_tfm_ctx_offset + 0)
+#define nrnd (crypto_tfm_ctx_offset + 256)
+#define dkey (crypto_tfm_ctx_offset + 260)
// register mapping for encrypt and decrypt subroutines
@@ -220,6 +217,7 @@
do_col (table, r5,r0,r1,r4, r2,r3); /* idx=r5 */
// AES (Rijndael) Encryption Subroutine
+/* void aes_enc_blk(struct crypto_tfm *tfm, u8 *out_blk, const u8 *in_blk) */
.global aes_enc_blk
@@ -230,7 +228,7 @@
aes_enc_blk:
push %ebp
- mov ctx(%esp),%ebp // pointer to context
+ mov tfm(%esp),%ebp
// CAUTION: the order and the values used in these assigns
// rely on the register mappings
@@ -295,6 +293,7 @@ aes_enc_blk:
ret
// AES (Rijndael) Decryption Subroutine
+/* void aes_dec_blk(struct crypto_tfm *tfm, u8 *out_blk, const u8 *in_blk) */
.global aes_dec_blk
@@ -305,7 +304,7 @@ aes_enc_blk:
aes_dec_blk:
push %ebp
- mov ctx(%esp),%ebp // pointer to context
+ mov tfm(%esp),%ebp
// CAUTION: the order and the values used in these assigns
// rely on the register mappings