Subject: crypto: padlock - Enable on x86_64
From: Sebastian Andrzej Siewior <[email-masked]>
Date: Tue, 21 Apr 2009 06:14:37 +0000 (+0800)

crypto: padlock - Enable on x86_64

Almost everything stays the same, we need just to use the extended registers
on the bit variant.

Signed-off-by: Sebastian Andrzej Siewior <[email-masked]>
Signed-off-by: Herbert Xu <[email-masked]>
---

diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig
index 01afd75..39eedd4 100644
--- a/drivers/crypto/Kconfig
+++ b/drivers/crypto/Kconfig
@@ -12,7 +12,7 @@ if CRYPTO_HW
 
 config CRYPTO_DEV_PADLOCK
 	tristate "Support for VIA PadLock ACE"
-	depends on X86_32 && !UML
+	depends on !UML
 	select CRYPTO_ALGAPI
 	help
 	  Some VIA processors come with an integrated crypto engine
diff --git a/drivers/crypto/padlock-aes.c b/drivers/crypto/padlock-aes.c
index 856b3cc..87f92c3 100644
--- a/drivers/crypto/padlock-aes.c
+++ b/drivers/crypto/padlock-aes.c
@@ -154,7 +154,11 @@ static inline void padlock_reset_key(struct cword *cword)
 	int cpu = raw_smp_processor_id();
 
 	if (cword != per_cpu(last_cword, cpu))
+#ifndef CONFIG_X86_64
 		asm volatile ("pushfl; popfl");
+#else
+		asm volatile ("pushfq; popfq");
+#endif
 }
 
 static inline void padlock_store_cword(struct cword *cword)
@@ -208,10 +212,19 @@ static inline void padlock_xcrypt_ecb(const u8 *input, u8 *output, void *key,
 
 	asm volatile ("test $1, %%cl;"
 		      "je 1f;"
+#ifndef CONFIG_X86_64
 		      "lea -1(%%ecx), %%eax;"
 		      "mov $1, %%ecx;"
+#else
+		      "lea -1(%%rcx), %%rax;"
+		      "mov $1, %%rcx;"
+#endif
 		      ".byte 0xf3,0x0f,0xa7,0xc8;"	/* rep xcryptecb */
+#ifndef CONFIG_X86_64
 		      "mov %%eax, %%ecx;"
+#else
+		      "mov %%rax, %%rcx;"
+#endif
 		      "1:"
 		      ".byte 0xf3,0x0f,0xa7,0xc8"	/* rep xcryptecb */
 		      : "+S"(input), "+D"(output)