Fork TF-A's libc
Create a fork of "Trusted Firmware-A" libc to be used by
trusted-services SWd components.
URL: https://git.trustedfirmware.org/TF-A/trusted-firmware-a.git
SHA: f2735ebccf5173f74c0458736ec526276106097e
Paths: trusted-firmware-a/lib/libc and trusted-firmware-a/include/lib/libc
Signed-off-by: Gabor Ambrus <gabor.ambrus@arm.com>
Signed-off-by: Imre Kis <imre.kis@arm.com>
Change-Id: I2f3b6cbf739265c4441fbba06ea6c9db339022c4
diff --git a/components/common/libc/include/arm_acle.h b/components/common/libc/include/arm_acle.h
new file mode 100644
index 0000000..d1bc0f9
--- /dev/null
+++ b/components/common/libc/include/arm_acle.h
@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) 2021 Arm Limited
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * The definitions below are a subset of what we would normally get by using
+ * the compiler's version of arm_acle.h. We can't use that directly because
+ * we specify -nostdinc in the Makefiles.
+ *
+ * We just define the functions we need so far.
+ */
+
+#ifndef ARM_ACLE_H
+#define ARM_ACLE_H
+
+#if !defined(__aarch64__) || defined(__clang__)
+# define __crc32b __builtin_arm_crc32b
+# define __crc32w __builtin_arm_crc32w
+#else
+# define __crc32b __builtin_aarch64_crc32b
+# define __crc32w __builtin_aarch64_crc32w
+#endif
+
+#endif /* ARM_ACLE_H */