diff options
author | Mathias Krause <minipli@googlemail.com> | 2010-11-29 03:35:39 +0300 |
---|---|---|
committer | Herbert Xu <herbert@gondor.apana.org.au> | 2010-11-29 03:35:39 +0300 |
commit | 559ad0ff1368baea14dbc3207d55b02bd69bda4b (patch) | |
tree | c1f329dd3b3084e0df26cc6436586265f79bf838 /arch/x86/crypto | |
parent | c762be637503b833012457087133c1292fd6056d (diff) | |
download | linux-559ad0ff1368baea14dbc3207d55b02bd69bda4b.tar.xz |
crypto: aesni-intel - Fixed build error on x86-32
Exclude AES-GCM code for x86-32 due to heavy usage of 64-bit registers
not available on x86-32.
While at it, fixed unregister order in aesni_exit().
Signed-off-by: Mathias Krause <minipli@googlemail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'arch/x86/crypto')
-rw-r--r-- | arch/x86/crypto/aesni-intel_asm.S | 5 | ||||
-rw-r--r-- | arch/x86/crypto/aesni-intel_glue.c | 26 |
2 files changed, 17 insertions, 14 deletions
diff --git a/arch/x86/crypto/aesni-intel_asm.S b/arch/x86/crypto/aesni-intel_asm.S index f592e03dc375..d528fde219d2 100644 --- a/arch/x86/crypto/aesni-intel_asm.S +++ b/arch/x86/crypto/aesni-intel_asm.S @@ -32,6 +32,7 @@ #include <linux/linkage.h> #include <asm/inst.h> +#ifdef __x86_64__ .data POLY: .octa 0xC2000000000000000000000000000001 TWOONE: .octa 0x00000001000000000000000000000001 @@ -84,6 +85,7 @@ enc: .octa 0x2 #define arg8 STACK_OFFSET+16(%r14) #define arg9 STACK_OFFSET+24(%r14) #define arg10 STACK_OFFSET+32(%r14) +#endif #define STATE1 %xmm0 @@ -130,6 +132,7 @@ enc: .octa 0x2 #endif +#ifdef __x86_64__ /* GHASH_MUL MACRO to implement: Data*HashKey mod (128,127,126,121,0) * * @@ -1255,7 +1258,7 @@ _return_T_done_encrypt: pop %r13 pop %r12 ret - +#endif _key_expansion_128: diff --git a/arch/x86/crypto/aesni-intel_glue.c b/arch/x86/crypto/aesni-intel_glue.c index 8a3b80075216..e1e60c7d5813 100644 --- a/arch/x86/crypto/aesni-intel_glue.c +++ b/arch/x86/crypto/aesni-intel_glue.c @@ -97,7 +97,6 @@ asmlinkage void aesni_cbc_dec(struct crypto_aes_ctx *ctx, u8 *out, #ifdef CONFIG_X86_64 asmlinkage void aesni_ctr_enc(struct crypto_aes_ctx *ctx, u8 *out, const u8 *in, unsigned int len, u8 *iv); -#endif /* asmlinkage void aesni_gcm_enc() * void *ctx, AES Key schedule. Starts on a 16 byte boundary. @@ -149,6 +148,7 @@ aesni_rfc4106_gcm_ctx *aesni_rfc4106_gcm_ctx_get(struct crypto_aead *tfm) PTR_ALIGN((u8 *) crypto_tfm_ctx(crypto_aead_tfm(tfm)), AESNI_ALIGN); } +#endif static inline struct crypto_aes_ctx *aes_ctx(void *raw_ctx) { @@ -822,6 +822,7 @@ static struct crypto_alg ablk_xts_alg = { }; #endif +#ifdef CONFIG_X86_64 static int rfc4106_init(struct crypto_tfm *tfm) { struct cryptd_aead *cryptd_tfm; @@ -1237,6 +1238,7 @@ static struct crypto_alg __rfc4106_alg = { }, }, }; +#endif static int __init aesni_init(void) { @@ -1264,6 +1266,10 @@ static int __init aesni_init(void) goto blk_ctr_err; if ((err = crypto_register_alg(&ablk_ctr_alg))) goto ablk_ctr_err; + if ((err = crypto_register_alg(&__rfc4106_alg))) + goto __aead_gcm_err; + if ((err = crypto_register_alg(&rfc4106_alg))) + goto aead_gcm_err; #ifdef HAS_CTR if ((err = crypto_register_alg(&ablk_rfc3686_ctr_alg))) goto ablk_rfc3686_ctr_err; @@ -1281,19 +1287,9 @@ static int __init aesni_init(void) if ((err = crypto_register_alg(&ablk_xts_alg))) goto ablk_xts_err; #endif - err = crypto_register_alg(&__rfc4106_alg); - if (err) - goto __aead_gcm_err; - err = crypto_register_alg(&rfc4106_alg); - if (err) - goto aead_gcm_err; return err; -aead_gcm_err: - crypto_unregister_alg(&__rfc4106_alg); -__aead_gcm_err: #ifdef HAS_XTS - crypto_unregister_alg(&ablk_xts_alg); ablk_xts_err: #endif #ifdef HAS_PCBC @@ -1309,6 +1305,10 @@ ablk_lrw_err: crypto_unregister_alg(&ablk_rfc3686_ctr_alg); ablk_rfc3686_ctr_err: #endif + crypto_unregister_alg(&rfc4106_alg); +aead_gcm_err: + crypto_unregister_alg(&__rfc4106_alg); +__aead_gcm_err: crypto_unregister_alg(&ablk_ctr_alg); ablk_ctr_err: crypto_unregister_alg(&blk_ctr_alg); @@ -1331,8 +1331,6 @@ aes_err: static void __exit aesni_exit(void) { - crypto_unregister_alg(&__rfc4106_alg); - crypto_unregister_alg(&rfc4106_alg); #ifdef HAS_XTS crypto_unregister_alg(&ablk_xts_alg); #endif @@ -1346,6 +1344,8 @@ static void __exit aesni_exit(void) #ifdef HAS_CTR crypto_unregister_alg(&ablk_rfc3686_ctr_alg); #endif + crypto_unregister_alg(&rfc4106_alg); + crypto_unregister_alg(&__rfc4106_alg); crypto_unregister_alg(&ablk_ctr_alg); crypto_unregister_alg(&blk_ctr_alg); #endif |