--- /dev/null
+From 38e497b3d9e0bff3da7a1a5d4c0760661ded4b6f Mon Sep 17 00:00:00 2001
+From: Giulio Benetti <giulio.benetti@benettiengineering.com>
+Date: Wed, 1 Apr 2020 09:39:45 -0700
+Subject: [PATCH] Bug 1620799 - Introduce NSS_DISABLE_ARM32_NEON r=jcj
+
+Only some Arm32 supports neon, so let's introduce NSS_DISABLE_ARM32_NEON
+to allow disabling Neon acceleration when building for Arm32.
+
+Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
+
+--HG--
+extra : rebase_source : c6e3d22ef43ac5012af69214499616f868f4c5b2
+
+Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
+---
+ nss/coreconf/config.gypi | 1 +
+ nss/coreconf/config.mk | 5 +++++
+ nss/lib/freebl/Makefile | 4 ++++
+ nss/lib/freebl/freebl.gyp | 14 ++++++++++++--
+ nss/lib/freebl/gcm.c | 3 ++-
+ 5 files changed, 24 insertions(+), 3 deletions(-)
+
+diff --git a/nss/coreconf/config.gypi b/nss/coreconf/config.gypi
+index 2a730398b..f67dd7f13 100644
+--- a/nss/coreconf/config.gypi
++++ b/nss/coreconf/config.gypi
+@@ -103,6 +103,7 @@
+ 'disable_libpkix%': 1,
+ 'disable_werror%': 0,
+ 'disable_altivec%': 0,
++ 'disable_arm32_neon%': 0,
+ 'mozilla_client%': 0,
+ 'comm_client%': 0,
+ 'moz_fold_libs%': 0,
+diff --git a/nss/coreconf/config.mk b/nss/coreconf/config.mk
+index 4eda497a2..b751ead5d 100644
+--- a/nss/coreconf/config.mk
++++ b/nss/coreconf/config.mk
+@@ -200,6 +200,11 @@ DEFINES += -DPKIX_OBJECT_LEAK_TEST
+ endif
+ endif
+
++# Avoid building with Neon acceleration on Arm32
++ifdef NSS_DISABLE_ARM32_NEON
++DEFINES += -DNSS_DISABLE_ARM32_NEON
++endif
++
+ # Avoid building with PowerPC's Altivec acceleration
+ ifdef NSS_DISABLE_ALTIVEC
+ DEFINES += -DNSS_DISABLE_ALTIVEC
+diff --git a/nss/lib/freebl/Makefile b/nss/lib/freebl/Makefile
+index 32da68301..a03c0d108 100644
+--- a/nss/lib/freebl/Makefile
++++ b/nss/lib/freebl/Makefile
+@@ -124,7 +124,9 @@ ifeq ($(CPU_ARCH),aarch64)
+ EXTRA_SRCS += aes-armv8.c gcm-aarch64.c
+ endif
+ ifeq ($(CPU_ARCH),arm)
++ifndef NSS_DISABLE_ARM32_NEON
+ EXTRA_SRCS += gcm-arm32-neon.c
++endif
+ ifdef CC_IS_CLANG
+ DEFINES += -DUSE_HW_AES
+ EXTRA_SRCS += aes-armv8.c
+@@ -778,8 +780,10 @@ ifeq ($(CPU_ARCH),arm)
+ # Confusingly, __SOFTFP__ is the name of the define for the softfloat ABI, not for the softfp ABI.
+ USES_SOFTFLOAT_ABI := $(shell $(CC) -o - -E -dM - $(CFLAGS) < /dev/null | grep __SOFTFP__ > /dev/null && echo 1)
+ $(OBJDIR)/$(PROG_PREFIX)aes-armv8$(OBJ_SUFFIX): CFLAGS += -march=armv8-a -mfpu=crypto-neon-fp-armv8$(if $(USES_SOFTFLOAT_ABI), -mfloat-abi=softfp)
++ifndef NSS_DISABLE_ARM32_NEON
+ $(OBJDIR)/$(PROG_PREFIX)gcm-arm32-neon$(OBJ_SUFFIX): CFLAGS += -march=armv7 -mfpu=neon$(if $(USES_SOFTFLOAT_ABI), -mfloat-abi=softfp)
+ endif
++endif
+ ifeq ($(CPU_ARCH),aarch64)
+ $(OBJDIR)/$(PROG_PREFIX)aes-armv8$(OBJ_SUFFIX): CFLAGS += -march=armv8-a+crypto
+ $(OBJDIR)/$(PROG_PREFIX)gcm-aarch64$(OBJ_SUFFIX): CFLAGS += -march=armv8-a+crypto
+diff --git a/nss/lib/freebl/freebl.gyp b/nss/lib/freebl/freebl.gyp
+index 8f3ddd978..5975b76cd 100644
+--- a/nss/lib/freebl/freebl.gyp
++++ b/nss/lib/freebl/freebl.gyp
+@@ -337,11 +337,16 @@
+ 'armv8_c_lib'
+ ],
+ }],
+- [ 'target_arch=="arm"', {
++ [ 'disable_arm32_neon==0 and target_arch=="arm"', {
+ 'dependencies': [
+ 'gcm-aes-arm32-neon_c_lib',
+ ],
+ }],
++ [ 'disable_arm32_neon==1 and target_arch=="arm"', {
++ 'defines!': [
++ 'NSS_DISABLE_ARM32_NEON',
++ ],
++ }],
+ [ 'target_arch=="arm64" or target_arch=="aarch64"', {
+ 'dependencies': [
+ 'gcm-aes-aarch64_c_lib',
+@@ -399,11 +404,16 @@
+ 'armv8_c_lib',
+ ],
+ }],
+- [ 'target_arch=="arm"', {
++ [ 'disable_arm32_neon==0 and target_arch=="arm"', {
+ 'dependencies': [
+ 'gcm-aes-arm32-neon_c_lib',
+ ],
+ }],
++ [ 'disable_arm32_neon==1 and target_arch=="arm"', {
++ 'defines!': [
++ 'NSS_DISABLE_ARM32_NEON',
++ ],
++ }],
+ [ 'target_arch=="arm64" or target_arch=="aarch64"', {
+ 'dependencies': [
+ 'gcm-aes-aarch64_c_lib',
+diff --git a/nss/lib/freebl/gcm.c b/nss/lib/freebl/gcm.c
+index e5742b9b8..5065197ef 100644
+--- a/nss/lib/freebl/gcm.c
++++ b/nss/lib/freebl/gcm.c
+@@ -22,7 +22,8 @@
+ #if defined(__aarch64__) && defined(IS_LITTLE_ENDIAN) && \
+ (defined(__clang__) || defined(__GNUC__) && __GNUC__ > 6)
+ #define USE_ARM_GCM
+-#elif defined(__arm__) && defined(IS_LITTLE_ENDIAN)
++#elif defined(__arm__) && defined(IS_LITTLE_ENDIAN) && \
++ !defined(NSS_DISABLE_ARM32_NEON)
+ /* We don't test on big endian platform, so disable this on big endian. */
+ #define USE_ARM_GCM
+ #endif
+--
+2.20.1
+
+++ /dev/null
-From 5d0fdb245bbb1dd4d7cc94eae91981ff79c4852d Mon Sep 17 00:00:00 2001
-From: Giulio Benetti <giulio.benetti@benettiengineering.com>
-Date: Sat, 7 Mar 2020 23:47:09 +0100
-Subject: [PATCH] Bug 1620799 - Introduce NSS_DISABLE_GCM_ARM32_NEON
-
-Only some Arm32 supports neon, so let's introduce
-NSS_DISABLE_GCM_ARM32_NEON to allow disabling gcm-arm32-neon.c building.
-
-Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
----
- nss/coreconf/config.gypi | 1 +
- nss/coreconf/config.mk | 5 +++++
- nss/lib/freebl/Makefile | 4 ++++
- nss/lib/freebl/freebl.gyp | 14 ++++++++++++--
- nss/lib/freebl/gcm.c | 3 ++-
- 5 files changed, 24 insertions(+), 3 deletions(-)
-
-diff --git a/nss/coreconf/config.gypi b/nss/coreconf/config.gypi
-index 2a730398b..2a7fe8ac0 100644
---- a/nss/coreconf/config.gypi
-+++ b/nss/coreconf/config.gypi
-@@ -103,6 +103,7 @@
- 'disable_libpkix%': 1,
- 'disable_werror%': 0,
- 'disable_altivec%': 0,
-+ 'disable_gcm_arm32_neon%': 0,
- 'mozilla_client%': 0,
- 'comm_client%': 0,
- 'moz_fold_libs%': 0,
-diff --git a/nss/coreconf/config.mk b/nss/coreconf/config.mk
-index 704e3fa83..9042e78bf 100644
---- a/nss/coreconf/config.mk
-+++ b/nss/coreconf/config.mk
-@@ -196,6 +196,11 @@ DEFINES += -DPKIX_OBJECT_LEAK_TEST
- endif
- endif
-
-+# Avoid building gcm-arm32-neon.c
-+ifdef NSS_DISABLE_GCM_ARM32_NEON
-+DEFINES += -DNSS_DISABLE_GCM_ARM32_NEON
-+endif
-+
- # Avoid building with PowerPC's Altivec acceleration
- ifdef NSS_DISABLE_ALTIVEC
- DEFINES += -DNSS_DISABLE_ALTIVEC
-diff --git a/nss/lib/freebl/Makefile b/nss/lib/freebl/Makefile
-index ce9d36f3a..2802fdf42 100644
---- a/nss/lib/freebl/Makefile
-+++ b/nss/lib/freebl/Makefile
-@@ -124,7 +124,9 @@ ifeq ($(CPU_ARCH),aarch64)
- EXTRA_SRCS += aes-armv8.c gcm-aarch64.c
- endif
- ifeq ($(CPU_ARCH),arm)
-+ifndef NSS_DISABLE_GCM_ARM32_NEON
- EXTRA_SRCS += gcm-arm32-neon.c
-+endif
- ifdef CC_IS_CLANG
- DEFINES += -DUSE_HW_AES
- EXTRA_SRCS += aes-armv8.c
-@@ -770,8 +772,10 @@ ifeq ($(CPU_ARCH),arm)
- # Confusingly, __SOFTFP__ is the name of the define for the softfloat ABI, not for the softfp ABI.
- USES_SOFTFLOAT_ABI := $(shell $(CC) -o - -E -dM - $(CFLAGS) < /dev/null | grep __SOFTFP__ > /dev/null && echo 1)
- $(OBJDIR)/$(PROG_PREFIX)aes-armv8$(OBJ_SUFFIX): CFLAGS += -march=armv8-a -mfpu=crypto-neon-fp-armv8$(if $(USES_SOFTFLOAT_ABI), -mfloat-abi=softfp)
-+ifndef NSS_DISABLE_GCM_ARM32_NEON
- $(OBJDIR)/$(PROG_PREFIX)gcm-arm32-neon$(OBJ_SUFFIX): CFLAGS += -march=armv7 -mfpu=neon$(if $(USES_SOFTFLOAT_ABI), -mfloat-abi=softfp)
- endif
-+endif
- ifeq ($(CPU_ARCH),aarch64)
- $(OBJDIR)/$(PROG_PREFIX)aes-armv8$(OBJ_SUFFIX): CFLAGS += -march=armv8-a+crypto
- $(OBJDIR)/$(PROG_PREFIX)gcm-aarch64$(OBJ_SUFFIX): CFLAGS += -march=armv8-a+crypto
-diff --git a/nss/lib/freebl/freebl.gyp b/nss/lib/freebl/freebl.gyp
-index d46bd1949..7bf4e9f7e 100644
---- a/nss/lib/freebl/freebl.gyp
-+++ b/nss/lib/freebl/freebl.gyp
-@@ -265,11 +265,16 @@
- 'armv8_c_lib'
- ],
- }],
-- [ 'target_arch=="arm"', {
-+ [ 'disable_gcm_arm32_neon==0 and target_arch=="arm"', {
- 'dependencies': [
- 'gcm-aes-arm32-neon_c_lib',
- ],
- }],
-+ [ 'disable_gcm_arm32_neon==1 and target_arch=="arm"', {
-+ 'defines!': [
-+ 'NSS_DISABLE_GCM_ARM32_NEON',
-+ ],
-+ }],
- [ 'target_arch=="arm64" or target_arch=="aarch64"', {
- 'dependencies': [
- 'gcm-aes-aarch64_c_lib',
-@@ -326,11 +331,16 @@
- 'armv8_c_lib',
- ],
- }],
-- [ 'target_arch=="arm"', {
-+ [ 'disable_gcm_arm32_neon==0 and target_arch=="arm"', {
- 'dependencies': [
- 'gcm-aes-arm32-neon_c_lib',
- ],
- }],
-+ [ 'disable_gcm_arm32_neon==1 and target_arch=="arm"', {
-+ 'defines!': [
-+ 'NSS_DISABLE_GCM_ARM32_NEON',
-+ ],
-+ }],
- [ 'target_arch=="arm64" or target_arch=="aarch64"', {
- 'dependencies': [
- 'gcm-aes-aarch64_c_lib',
-diff --git a/nss/lib/freebl/gcm.c b/nss/lib/freebl/gcm.c
-index 2a42f74c0..9b1c6c02f 100644
---- a/nss/lib/freebl/gcm.c
-+++ b/nss/lib/freebl/gcm.c
-@@ -21,7 +21,8 @@
- #if defined(__aarch64__) && defined(IS_LITTLE_ENDIAN) && \
- (defined(__clang__) || defined(__GNUC__) && __GNUC__ > 6)
- #define USE_ARM_GCM
--#elif defined(__arm__) && defined(IS_LITTLE_ENDIAN)
-+#elif defined(__arm__) && defined(IS_LITTLE_ENDIAN) && \
-+ !defined(NSS_DISABLE_GCM_ARM32_NEON)
- /* We don't test on big endian platform, so disable this on big endian. */
- #define USE_ARM_GCM
- #endif
---
-2.20.1
-
endif
ifeq ($(BR2_ARM_CPU_HAS_NEON),)
-# Disable gcm-arm32-neon if neon is not supported
-LIBNSS_BUILD_VARS += NSS_DISABLE_GCM_ARM32_NEON=1
+# Disable arm32-neon if neon is not supported
+LIBNSS_BUILD_VARS += NSS_DISABLE_ARM32_NEON=1
endif
ifeq ($(BR2_ARCH_IS_64),y)