[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/arch/arm/crypto/sha1-ce-glue.c b/src/kernel/linux/v4.14/arch/arm/crypto/sha1-ce-glue.c
new file mode 100644
index 0000000..555f72b
--- /dev/null
+++ b/src/kernel/linux/v4.14/arch/arm/crypto/sha1-ce-glue.c
@@ -0,0 +1,95 @@
+/*
+ * sha1-ce-glue.c - SHA-1 secure hash using ARMv8 Crypto Extensions
+ *
+ * Copyright (C) 2015 Linaro Ltd <ard.biesheuvel@linaro.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <crypto/internal/hash.h>
+#include <crypto/sha.h>
+#include <crypto/sha1_base.h>
+#include <linux/cpufeature.h>
+#include <linux/crypto.h>
+#include <linux/module.h>
+
+#include <asm/hwcap.h>
+#include <asm/neon.h>
+#include <asm/simd.h>
+
+#include "sha1.h"
+
+MODULE_DESCRIPTION("SHA1 secure hash using ARMv8 Crypto Extensions");
+MODULE_AUTHOR("Ard Biesheuvel <ard.biesheuvel@linaro.org>");
+MODULE_LICENSE("GPL v2");
+
+asmlinkage void sha1_ce_transform(struct sha1_state *sst, u8 const *src,
+ int blocks);
+
+static int sha1_ce_update(struct shash_desc *desc, const u8 *data,
+ unsigned int len)
+{
+ struct sha1_state *sctx = shash_desc_ctx(desc);
+
+ if (!may_use_simd() ||
+ (sctx->count % SHA1_BLOCK_SIZE) + len < SHA1_BLOCK_SIZE)
+ return sha1_update_arm(desc, data, len);
+
+ kernel_neon_begin();
+ sha1_base_do_update(desc, data, len, sha1_ce_transform);
+ kernel_neon_end();
+
+ return 0;
+}
+
+static int sha1_ce_finup(struct shash_desc *desc, const u8 *data,
+ unsigned int len, u8 *out)
+{
+ if (!may_use_simd())
+ return sha1_finup_arm(desc, data, len, out);
+
+ kernel_neon_begin();
+ if (len)
+ sha1_base_do_update(desc, data, len, sha1_ce_transform);
+ sha1_base_do_finalize(desc, sha1_ce_transform);
+ kernel_neon_end();
+
+ return sha1_base_finish(desc, out);
+}
+
+static int sha1_ce_final(struct shash_desc *desc, u8 *out)
+{
+ return sha1_ce_finup(desc, NULL, 0, out);
+}
+
+static struct shash_alg alg = {
+ .init = sha1_base_init,
+ .update = sha1_ce_update,
+ .final = sha1_ce_final,
+ .finup = sha1_ce_finup,
+ .descsize = sizeof(struct sha1_state),
+ .digestsize = SHA1_DIGEST_SIZE,
+ .base = {
+ .cra_name = "sha1",
+ .cra_driver_name = "sha1-ce",
+ .cra_priority = 200,
+ .cra_flags = CRYPTO_ALG_TYPE_SHASH,
+ .cra_blocksize = SHA1_BLOCK_SIZE,
+ .cra_module = THIS_MODULE,
+ }
+};
+
+static int __init sha1_ce_mod_init(void)
+{
+ return crypto_register_shash(&alg);
+}
+
+static void __exit sha1_ce_mod_fini(void)
+{
+ crypto_unregister_shash(&alg);
+}
+
+module_cpu_feature_match(SHA1, sha1_ce_mod_init);
+module_exit(sha1_ce_mod_fini);