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-rw-r--r--package/libs/wolfssl/Config.in7
1 files changed, 6 insertions, 1 deletions
diff --git a/package/libs/wolfssl/Config.in b/package/libs/wolfssl/Config.in
index 3d264e7743..eca9572c49 100644
--- a/package/libs/wolfssl/Config.in
+++ b/package/libs/wolfssl/Config.in
@@ -68,7 +68,7 @@ config WOLFSSL_ASM_CAPABLE
choice
prompt "Hardware Acceleration"
- default WOLFSSL_HAS_CPU_CRYPTO if WOLFSSL_ASM_CAPABLE
+ default WOLFSSL_HAS_CPU_CRYPTO if WOLFSSL_ASM_CAPABLE && !x86_64
default WOLFSSL_HAS_NO_HW
config WOLFSSL_HAS_NO_HW
@@ -80,6 +80,7 @@ choice
help
This will use Intel AESNI insturctions or armv8 Crypto Extensions.
Either of them should easily outperform hardware crypto in WolfSSL.
+ Beware that for Intel, the CPU has to support SSE4 instructions.
config WOLFSSL_HAS_AFALG
bool "AF_ALG"
@@ -96,5 +97,9 @@ choice
bool "/dev/crypto - full"
select WOLFSSL_HAS_DEVCRYPTO
endchoice
+if x86_64 && WOLFSSL_HAS_CPU_CRYPTO
+ comment "WARNING: make sure your CPU supports SSE4 instructions"
+ comment "WolfSSL may crash with an invalid opcode exception"
+endif
endif