From cff27487bbc7dae534e277b9bbf0bc1aa6fd2400 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Wed, 16 Dec 2009 02:03:20 +0000
Subject: [PATCH] openssl: use assembler version of aes on arm - nearly doubles
 aes encryption performance

SVN-Revision: 18790
---
 package/openssl/Makefile                  | 14 +++++++++++---
 package/openssl/patches/310-arm_asm.patch | 13 +++++++++++++
 2 files changed, 24 insertions(+), 3 deletions(-)
 create mode 100644 package/openssl/patches/310-arm_asm.patch

diff --git a/package/openssl/Makefile b/package/openssl/Makefile
index 23695fcc2f..ac565218da 100644
--- a/package/openssl/Makefile
+++ b/package/openssl/Makefile
@@ -71,12 +71,16 @@ OPENSSL_NO_CIPHERS:= no-idea no-md2 no-mdc2 no-rc5 no-sha0 no-smime \
 					no-rmd160 no-aes192 no-ripemd no-camellia no-ans1 no-krb5
 ifeq ($(BOARD),ixp4xx)
 OPENSSL_OPTIONS:= shared no-ec no-err no-hw no-threads zlib-dynamic \
-					no-sse2 no-perlasm --with-cryptodev
+					no-sse2 --with-cryptodev
 else
 OPENSSL_OPTIONS:= shared no-ec no-err no-hw no-threads zlib-dynamic \
-					no-engines no-sse2 no-perlasm
+					no-engines no-sse2
+endif
+ifdef CONFIG_arm
+OPENSSL_MAKEFLAGS := AES_ASM_OBJ="aes-armv4.o aes_cbc.o"
+else
+OPENSSL_OPTIONS += no-perlasm
 endif
-
 
 define Build/Configure
 	(cd $(PKG_BUILD_DIR); \
@@ -100,21 +104,25 @@ define Build/Compile
 	$(MAKE) -C $(PKG_BUILD_DIR) \
 		MAKEDEPPROG="$(TARGET_CROSS)gcc" \
 		OPENWRT_OPTIMIZATION_FLAGS="$(TARGET_CFLAGS)" \
+		$(OPENSSL_MAKEFLAGS) \
 		depend
 	$(MAKE) -C $(PKG_BUILD_DIR) \
 		CC="$(TARGET_CC)" \
 		AR="$(TARGET_CROSS)ar r" \
 		RANLIB="$(TARGET_CROSS)ranlib" \
 		OPENWRT_OPTIMIZATION_FLAGS="$(TARGET_CFLAGS)" \
+		$(OPENSSL_MAKEFLAGS) \
 		all build-shared
 	# Work around openssl build bug to link libssl.so with libcrypto.so.
 	-rm $(PKG_BUILD_DIR)/libssl.so.*.*.*
 	$(MAKE) -C $(PKG_BUILD_DIR) \
 		CC="$(TARGET_CC)" \
 		OPENWRT_OPTIMIZATION_FLAGS="$(TARGET_CFLAGS)" \
+		$(OPENSSL_MAKEFLAGS) \
 		do_linux-shared
 	$(MAKE) -C $(PKG_BUILD_DIR) \
 		INSTALL_PREFIX="$(PKG_INSTALL_DIR)" \
+		$(OPENSSL_MAKEFLAGS) \
 		install
 endef
 
diff --git a/package/openssl/patches/310-arm_asm.patch b/package/openssl/patches/310-arm_asm.patch
new file mode 100644
index 0000000000..2d940f0efa
--- /dev/null
+++ b/package/openssl/patches/310-arm_asm.patch
@@ -0,0 +1,13 @@
+--- a/crypto/aes/Makefile
++++ b/crypto/aes/Makefile
+@@ -47,6 +47,9 @@ lib:	$(LIBOBJ)
+ 
+ $(LIBOBJ): $(LIBSRC)
+ 
++aes-armv4.s: asm/aes-armv4.pl
++	$(PERL) $^ > $@
++
+ aes-ia64.s: asm/aes-ia64.S
+ 	$(CC) $(CFLAGS) -E asm/aes-ia64.S > $@
+ 
+