diff --git a/components/common/libc/include/aarch32/endian_.h b/components/common/libc/include/aarch32/endian_.h
new file mode 100644
index 0000000..edca496
--- /dev/null
+++ b/components/common/libc/include/aarch32/endian_.h
@@ -0,0 +1,146 @@
+/*-
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (c) 2001 David E. O'Brien
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)endian.h	8.1 (Berkeley) 6/10/93
+ * $NetBSD: endian.h,v 1.7 1999/08/21 05:53:51 simonb Exp $
+ * $FreeBSD$
+ */
+/*
+ * Portions copyright (c) 2018, Arm Limited and Contributors.
+ * All rights reserved.
+ */
+
+#ifndef ENDIAN__H
+#define ENDIAN__H
+
+#include <stdint.h>
+
+/*
+ * Definitions for byte order, according to byte significance from low
+ * address to high.
+ */
+#define _LITTLE_ENDIAN  1234    /* LSB first: i386, vax */
+#define _BIG_ENDIAN     4321    /* MSB first: 68000, ibm, net */
+#define _PDP_ENDIAN     3412    /* LSB first in word, MSW first in long */
+
+#ifdef __ARMEB__
+#define _BYTE_ORDER	_BIG_ENDIAN
+#else
+#define	_BYTE_ORDER	_LITTLE_ENDIAN
+#endif /* __ARMEB__ */
+
+#if __BSD_VISIBLE
+#define LITTLE_ENDIAN   _LITTLE_ENDIAN
+#define BIG_ENDIAN      _BIG_ENDIAN
+#define PDP_ENDIAN      _PDP_ENDIAN
+#define BYTE_ORDER      _BYTE_ORDER
+#endif
+
+#ifdef __ARMEB__
+#define _QUAD_HIGHWORD 0
+#define _QUAD_LOWWORD 1
+#define __ntohl(x)	((uint32_t)(x))
+#define __ntohs(x)	((uint16_t)(x))
+#define __htonl(x)	((uint32_t)(x))
+#define __htons(x)	((uint16_t)(x))
+#else
+#define _QUAD_HIGHWORD  1
+#define _QUAD_LOWWORD 0
+#define __ntohl(x)        (__bswap32(x))
+#define __ntohs(x)        (__bswap16(x))
+#define __htonl(x)        (__bswap32(x))
+#define __htons(x)        (__bswap16(x))
+#endif /* __ARMEB__ */
+
+static __inline uint64_t
+__bswap64(uint64_t _x)
+{
+
+	return ((_x >> 56) | ((_x >> 40) & 0xff00) | ((_x >> 24) & 0xff0000) |
+	    ((_x >> 8) & 0xff000000) | ((_x << 8) & ((uint64_t)0xff << 32)) |
+	    ((_x << 24) & ((uint64_t)0xff << 40)) |
+	    ((_x << 40) & ((uint64_t)0xff << 48)) | ((_x << 56)));
+}
+
+static __inline uint32_t
+__bswap32_var(uint32_t v)
+{
+	uint32_t t1;
+
+	__asm __volatile("eor %1, %0, %0, ror #16\n"
+	    		"bic %1, %1, #0x00ff0000\n"
+			"mov %0, %0, ror #8\n"
+			"eor %0, %0, %1, lsr #8\n"
+			 : "+r" (v), "=r" (t1));
+
+	return (v);
+}
+
+static __inline uint16_t
+__bswap16_var(uint16_t v)
+{
+	uint32_t ret = v & 0xffff;
+
+	__asm __volatile(
+	    "mov    %0, %0, ror #8\n"
+	    "orr    %0, %0, %0, lsr #16\n"
+	    "bic    %0, %0, %0, lsl #16"
+	    : "+r" (ret));
+
+	return ((uint16_t)ret);
+}
+
+#ifdef __OPTIMIZE__
+
+#define __bswap32_constant(x)	\
+    ((((x) & 0xff000000U) >> 24) |	\
+     (((x) & 0x00ff0000U) >>  8) |	\
+     (((x) & 0x0000ff00U) <<  8) |	\
+     (((x) & 0x000000ffU) << 24))
+
+#define __bswap16_constant(x)	\
+    ((((x) & 0xff00) >> 8) |		\
+     (((x) & 0x00ff) << 8))
+
+#define __bswap16(x)	\
+    ((uint16_t)(__builtin_constant_p(x) ?	\
+     __bswap16_constant(x) :			\
+     __bswap16_var(x)))
+
+#define __bswap32(x)	\
+    ((uint32_t)(__builtin_constant_p(x) ? 	\
+     __bswap32_constant(x) :			\
+     __bswap32_var(x)))
+
+#else
+#define __bswap16(x)	__bswap16_var(x)
+#define __bswap32(x)	__bswap32_var(x)
+
+#endif /* __OPTIMIZE__ */
+#endif /* ENDIAN__H */
diff --git a/components/common/libc/include/aarch32/float.h b/components/common/libc/include/aarch32/float.h
new file mode 100644
index 0000000..857d76e
--- /dev/null
+++ b/components/common/libc/include/aarch32/float.h
@@ -0,0 +1,100 @@
+/*-
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (c) 1989 Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	from: @(#)float.h	7.1 (Berkeley) 5/8/90
+ * $FreeBSD$
+ */
+
+#ifndef _MACHINE_FLOAT_H_
+#define _MACHINE_FLOAT_H_ 1
+
+#include <sys/cdefs.h>
+
+__BEGIN_DECLS
+extern int __flt_rounds(void);
+__END_DECLS
+
+#define FLT_RADIX	2		/* b */
+#ifndef	_ARM_HARD_FLOAT
+#define	FLT_ROUNDS	__flt_rounds()
+#else
+#define	FLT_ROUNDS	(-1)
+#endif
+#if __ISO_C_VISIBLE >= 1999
+#define	FLT_EVAL_METHOD	0
+#define	DECIMAL_DIG	17		/* max precision in decimal digits */
+#endif
+
+#define FLT_MANT_DIG	24		/* p */
+#define FLT_EPSILON	1.19209290E-07F	/* b**(1-p) */
+#define FLT_DIG		6		/* floor((p-1)*log10(b))+(b == 10) */
+#define FLT_MIN_EXP	(-125)		/* emin */
+#define FLT_MIN		1.17549435E-38F	/* b**(emin-1) */
+#define FLT_MIN_10_EXP	(-37)		/* ceil(log10(b**(emin-1))) */
+#define FLT_MAX_EXP	128		/* emax */
+#define FLT_MAX		3.40282347E+38F	/* (1-b**(-p))*b**emax */
+#define FLT_MAX_10_EXP	38		/* floor(log10((1-b**(-p))*b**emax)) */
+#if __ISO_C_VISIBLE >= 2011
+#define	FLT_TRUE_MIN	1.40129846E-45F	/* b**(emin-p) */
+#define	FLT_DECIMAL_DIG	9		/* ceil(1+p*log10(b)) */
+#define	FLT_HAS_SUBNORM	1
+#endif /* __ISO_C_VISIBLE >= 2011 */
+
+#define DBL_MANT_DIG	53
+#define DBL_EPSILON	2.2204460492503131E-16
+#define DBL_DIG		15
+#define DBL_MIN_EXP	(-1021)
+#define DBL_MIN		2.2250738585072014E-308
+#define DBL_MIN_10_EXP	(-307)
+#define DBL_MAX_EXP	1024
+#define DBL_MAX		1.7976931348623157E+308
+#define DBL_MAX_10_EXP	308
+#if __ISO_C_VISIBLE >= 2011
+#define	DBL_TRUE_MIN	4.9406564584124654E-324
+#define	DBL_DECIMAL_DIG	17
+#define	DBL_HAS_SUBNORM	1
+#endif /* __ISO_C_VISIBLE >= 2011 */
+
+#define LDBL_MANT_DIG	DBL_MANT_DIG
+#define LDBL_EPSILON	((long double)DBL_EPSILON)
+#define LDBL_DIG	DBL_DIG
+#define LDBL_MIN_EXP	DBL_MIN_EXP
+#define LDBL_MIN	((long double)DBL_MIN)
+#define LDBL_MIN_10_EXP	DBL_MIN_10_EXP
+#define LDBL_MAX_EXP	DBL_MAX_EXP
+#define LDBL_MAX	((long double)DBL_MAX)
+#define LDBL_MAX_10_EXP	DBL_MAX_10_EXP
+#if __ISO_C_VISIBLE >= 2011
+#define	LDBL_TRUE_MIN	((long double)DBL_TRUE_MIN)
+#define	LDBL_DECIMAL_DIG DBL_DECIMAL_DIG
+#define	LDBL_HAS_SUBNORM DBL_HAS_SUBNORM
+#endif /* __ISO_C_VISIBLE >= 2011 */
+
+#endif /* _MACHINE_FLOAT_H_ */
diff --git a/components/common/libc/include/aarch32/inttypes_.h b/components/common/libc/include/aarch32/inttypes_.h
new file mode 100644
index 0000000..0888bf0
--- /dev/null
+++ b/components/common/libc/include/aarch32/inttypes_.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright 2020 Broadcom
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+/*
+ * Portions copyright (c) 2020, Arm Limited and Contributors.
+ * All rights reserved.
+ */
+
+#ifndef INTTYPES__H
+#define INTTYPES__H
+
+#define PRId64		"lld"	/* int64_t */
+#define PRIi64		"lli"	/* int64_t */
+#define PRIo64		"llo"	/* int64_t */
+#define PRIu64		"llu"	/* uint64_t */
+#define PRIx64		"llx"	/* uint64_t */
+#define PRIX64		"llX"	/* uint64_t */
+
+#define PRIdPTR         "d"     /* intptr_t */
+#define PRIiPTR         "i"     /* intptr_t */
+#define PRIoPTR         "o"     /* intptr_t */
+#define PRIuPTR         "u"     /* uintptr_t */
+#define PRIxPTR         "x"     /* uintptr_t */
+#define PRIXPTR         "X"     /* uintptr_t */
+
+#endif /* INTTYPES__H */
diff --git a/components/common/libc/include/aarch32/limits_.h b/components/common/libc/include/aarch32/limits_.h
new file mode 100644
index 0000000..5b0516a
--- /dev/null
+++ b/components/common/libc/include/aarch32/limits_.h
@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2018-2023, Arm Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#define SCHAR_MAX  0x7F
+#define SCHAR_MIN  (-SCHAR_MAX - 1)
+#define CHAR_MAX   0x7F
+#define CHAR_MIN   (-CHAR_MAX - 1)
+#define UCHAR_MAX  0xFFU
+#define SHRT_MAX   0x7FFF
+#define SHRT_MIN   (-SHRT_MAX - 1)
+#define USHRT_MAX  0xFFFFU
+#define INT_MAX    0x7FFFFFFF
+#define INT_MIN    (-INT_MAX - 1)
+#define UINT_MAX   0xFFFFFFFFU
+#define LONG_MAX   0x7FFFFFFFL
+#define LONG_MIN   (-LONG_MAX - 1L)
+#define ULONG_MAX  0xFFFFFFFFUL
+#define LLONG_MAX  0x7FFFFFFFFFFFFFFFLL
+#define LLONG_MIN  (-LLONG_MAX - 1LL)
+#define ULLONG_MAX 0xFFFFFFFFFFFFFFFFULL
+
+#define __LONG_BIT 32
+#define __WORD_BIT 32
diff --git a/components/common/libc/include/aarch32/stddef_.h b/components/common/libc/include/aarch32/stddef_.h
new file mode 100644
index 0000000..14ed094
--- /dev/null
+++ b/components/common/libc/include/aarch32/stddef_.h
@@ -0,0 +1,15 @@
+/*
+ * Copyright (c) 2018-2019, Arm Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef STDDEF__H
+#define STDDEF__H
+
+#ifndef SIZET_
+typedef unsigned int size_t;
+#define SIZET_
+#endif
+
+#endif /* STDDEF__H */
diff --git a/components/common/libc/include/aarch32/stdint_.h b/components/common/libc/include/aarch32/stdint_.h
new file mode 100644
index 0000000..6e2deed
--- /dev/null
+++ b/components/common/libc/include/aarch32/stdint_.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright 2020 Broadcom
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+/*
+ * Portions copyright (c) 2020, Arm Limited and Contributors.
+ * All rights reserved.
+ */
+
+#ifndef STDINT__H
+#define STDINT__H
+
+#define INT64_MAX  LLONG_MAX
+#define INT64_MIN  LLONG_MIN
+#define UINT64_MAX ULLONG_MAX
+
+#define INT64_C(x) x ## LL
+#define UINT64_C(x) x ## ULL
+
+typedef long long int64_t;
+typedef unsigned long long uint64_t;
+typedef long long int64_least_t;
+typedef unsigned long long uint64_least_t;
+typedef long long int64_fast_t;
+typedef unsigned long long uint64_fast_t;
+
+#endif
diff --git a/components/common/libc/include/aarch32/stdio_.h b/components/common/libc/include/aarch32/stdio_.h
new file mode 100644
index 0000000..7042664
--- /dev/null
+++ b/components/common/libc/include/aarch32/stdio_.h
@@ -0,0 +1,15 @@
+/*
+ * Copyright (c) 2018-2019, Arm Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef STDIO__H
+#define STDIO__H
+
+#ifndef SSIZET_
+typedef int ssize_t;
+#define SSIZET_
+#endif
+
+#endif /* STDIO__H */
diff --git a/components/common/libc/include/aarch64/endian_.h b/components/common/libc/include/aarch64/endian_.h
new file mode 100644
index 0000000..58273d7
--- /dev/null
+++ b/components/common/libc/include/aarch64/endian_.h
@@ -0,0 +1,128 @@
+/*-
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (c) 2001 David E. O'Brien
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)endian.h	8.1 (Berkeley) 6/10/93
+ * $NetBSD: endian.h,v 1.7 1999/08/21 05:53:51 simonb Exp $
+ * $FreeBSD$
+ */
+/*
+ * Portions copyright (c) 2018, Arm Limited and Contributors.
+ * All rights reserved.
+ */
+
+#ifndef ENDIAN__H
+#define ENDIAN__H
+
+#include <stdint.h>
+
+/*
+ * Definitions for byte order, according to byte significance from low
+ * address to high.
+ */
+#define	_LITTLE_ENDIAN  1234    /* LSB first: i386, vax */
+#define	_BIG_ENDIAN     4321    /* MSB first: 68000, ibm, net */
+#define	_PDP_ENDIAN     3412    /* LSB first in word, MSW first in long */
+
+#define	_BYTE_ORDER	_LITTLE_ENDIAN
+
+#if __BSD_VISIBLE
+#define	LITTLE_ENDIAN   _LITTLE_ENDIAN
+#define	BIG_ENDIAN      _BIG_ENDIAN
+#define	PDP_ENDIAN      _PDP_ENDIAN
+#define	BYTE_ORDER      _BYTE_ORDER
+#endif
+
+#define	_QUAD_HIGHWORD  1
+#define	_QUAD_LOWWORD 0
+#define	__ntohl(x)        (__bswap32(x))
+#define	__ntohs(x)        (__bswap16(x))
+#define	__htonl(x)        (__bswap32(x))
+#define	__htons(x)        (__bswap16(x))
+
+static __inline uint64_t
+__bswap64(uint64_t x)
+{
+	uint64_t ret;
+
+	__asm __volatile("rev %0, %1\n"
+			 : "=&r" (ret), "+r" (x));
+
+	return (ret);
+}
+
+static __inline uint32_t
+__bswap32_var(uint32_t v)
+{
+	uint32_t ret;
+
+	__asm __volatile("rev32 %x0, %x1\n"
+			 : "=&r" (ret), "+r" (v));
+
+	return (ret);
+}
+
+static __inline uint16_t
+__bswap16_var(uint16_t v)
+{
+	uint32_t ret;
+
+	__asm __volatile("rev16 %w0, %w1\n"
+			 : "=&r" (ret), "+r" (v));
+
+	return ((uint16_t)ret);
+}
+
+#ifdef __OPTIMIZE__
+
+#define	__bswap32_constant(x)	\
+    ((((x) & 0xff000000U) >> 24) |	\
+     (((x) & 0x00ff0000U) >>  8) |	\
+     (((x) & 0x0000ff00U) <<  8) |	\
+     (((x) & 0x000000ffU) << 24))
+
+#define	__bswap16_constant(x)	\
+    ((((x) & 0xff00) >> 8) |		\
+     (((x) & 0x00ff) << 8))
+
+#define	__bswap16(x)	\
+    ((uint16_t)(__builtin_constant_p(x) ?	\
+     __bswap16_constant((uint16_t)(x)) :	\
+     __bswap16_var(x)))
+
+#define	__bswap32(x)	\
+    ((uint32_t)(__builtin_constant_p(x) ? 	\
+     __bswap32_constant((uint32_t)(x)) :	\
+     __bswap32_var(x)))
+
+#else
+#define	__bswap16(x)	__bswap16_var(x)
+#define	__bswap32(x)	__bswap32_var(x)
+
+#endif /* __OPTIMIZE__ */
+#endif /* ENDIAN__H */
diff --git a/components/common/libc/include/aarch64/float.h b/components/common/libc/include/aarch64/float.h
new file mode 100644
index 0000000..0829f6f
--- /dev/null
+++ b/components/common/libc/include/aarch64/float.h
@@ -0,0 +1,94 @@
+/*-
+ * Copyright (c) 1989 Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	from: @(#)float.h	7.1 (Berkeley) 5/8/90
+ * $FreeBSD$
+ */
+
+#ifndef _MACHINE_FLOAT_H_
+#define	_MACHINE_FLOAT_H_
+
+#include <sys/cdefs.h>
+
+__BEGIN_DECLS
+extern int __flt_rounds(void);
+__END_DECLS
+
+#define	FLT_RADIX	2		/* b */
+#define	FLT_ROUNDS	__flt_rounds()
+#if __ISO_C_VISIBLE >= 1999
+#define	FLT_EVAL_METHOD	0
+#define	DECIMAL_DIG	17		/* max precision in decimal digits */
+#endif
+
+#define	FLT_MANT_DIG	24		/* p */
+#define	FLT_EPSILON	1.19209290E-07F	/* b**(1-p) */
+#define	FLT_DIG		6		/* floor((p-1)*log10(b))+(b == 10) */
+#define	FLT_MIN_EXP	(-125)		/* emin */
+#define	FLT_MIN		1.17549435E-38F	/* b**(emin-1) */
+#define	FLT_MIN_10_EXP	(-37)		/* ceil(log10(b**(emin-1))) */
+#define	FLT_MAX_EXP	128		/* emax */
+#define	FLT_MAX		3.40282347E+38F	/* (1-b**(-p))*b**emax */
+#define	FLT_MAX_10_EXP	38		/* floor(log10((1-b**(-p))*b**emax)) */
+#if __ISO_C_VISIBLE >= 2011
+#define	FLT_TRUE_MIN	1.40129846E-45F	/* b**(emin-p) */
+#define	FLT_DECIMAL_DIG	9		/* ceil(1+p*log10(b)) */
+#define	FLT_HAS_SUBNORM	1
+#endif /* __ISO_C_VISIBLE >= 2011 */
+
+#define	DBL_MANT_DIG	53
+#define	DBL_EPSILON	2.2204460492503131E-16
+#define	DBL_DIG		15
+#define	DBL_MIN_EXP	(-1021)
+#define	DBL_MIN		2.2250738585072014E-308
+#define	DBL_MIN_10_EXP	(-307)
+#define	DBL_MAX_EXP	1024
+#define	DBL_MAX		1.7976931348623157E+308
+#define	DBL_MAX_10_EXP	308
+#if __ISO_C_VISIBLE >= 2011
+#define	DBL_TRUE_MIN	4.9406564584124654E-324
+#define	DBL_DECIMAL_DIG	17
+#define	DBL_HAS_SUBNORM	1
+#endif /* __ISO_C_VISIBLE >= 2011 */
+
+#define	LDBL_MANT_DIG	113
+#define	LDBL_EPSILON	1.925929944387235853055977942584927319E-34L
+#define	LDBL_DIG	33
+#define	LDBL_MIN_EXP	(-16381)
+#define	LDBL_MIN	3.362103143112093506262677817321752603E-4932L
+#define	LDBL_MIN_10_EXP	(-4931)
+#define	LDBL_MAX_EXP	(+16384)
+#define	LDBL_MAX	1.189731495357231765085759326628007016E+4932L
+#define	LDBL_MAX_10_EXP	(+4932)
+#if __ISO_C_VISIBLE >= 2011
+#define	LDBL_TRUE_MIN	6.475175119438025110924438958227646552E-4966L
+#define	LDBL_DECIMAL_DIG 36
+#define	LDBL_HAS_SUBNORM 1
+#endif /* __ISO_C_VISIBLE >= 2011 */
+
+#endif /* _MACHINE_FLOAT_H_ */
diff --git a/components/common/libc/include/aarch64/inttypes_.h b/components/common/libc/include/aarch64/inttypes_.h
new file mode 100644
index 0000000..6109084
--- /dev/null
+++ b/components/common/libc/include/aarch64/inttypes_.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright 2020 Broadcom
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+/*
+ * Portions copyright (c) 2020, Arm Limited and Contributors.
+ * All rights reserved.
+ */
+
+#ifndef INTTYPES__H
+#define INTTYPES__H
+
+#define PRId64		"ld"	/* int64_t */
+#define PRIi64		"li"	/* int64_t */
+#define PRIo64		"lo"	/* int64_t */
+#define PRIu64		"lu"	/* uint64_t */
+#define PRIx64		"lx"	/* uint64_t */
+#define PRIX64		"lX"	/* uint64_t */
+
+#define PRIdPTR         "ld"    /* intptr_t */
+#define PRIiPTR         "li"    /* intptr_t */
+#define PRIoPTR         "lo"    /* intptr_t */
+#define PRIuPTR         "lu"    /* uintptr_t */
+#define PRIxPTR         "lx"    /* uintptr_t */
+#define PRIXPTR         "lX"    /* uintptr_t */
+
+#endif /* INTTYPES__H */
diff --git a/components/common/libc/include/aarch64/limits_.h b/components/common/libc/include/aarch64/limits_.h
new file mode 100644
index 0000000..834439e
--- /dev/null
+++ b/components/common/libc/include/aarch64/limits_.h
@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2018-2023, Arm Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#define SCHAR_MAX  0x7F
+#define SCHAR_MIN  (-SCHAR_MAX - 1)
+#define CHAR_MAX   0x7F
+#define CHAR_MIN   (-CHAR_MAX - 1)
+#define UCHAR_MAX  0xFFU
+#define SHRT_MAX   0x7FFF
+#define SHRT_MIN   (-SHRT_MAX - 1)
+#define USHRT_MAX  0xFFFFU
+#define INT_MAX    0x7FFFFFFF
+#define INT_MIN    (-INT_MAX - 1)
+#define UINT_MAX   0xFFFFFFFFU
+#define LONG_MAX   0x7FFFFFFFFFFFFFFFL
+#define LONG_MIN   (-LONG_MAX - 1L)
+#define ULONG_MAX  0xFFFFFFFFFFFFFFFFUL
+#define LLONG_MAX  0x7FFFFFFFFFFFFFFFLL
+#define LLONG_MIN  (-LLONG_MAX - 1LL)
+#define ULLONG_MAX 0xFFFFFFFFFFFFFFFFULL
+
+#define __LONG_BIT 64
+#define __WORD_BIT 32
diff --git a/components/common/libc/include/aarch64/setjmp_.h b/components/common/libc/include/aarch64/setjmp_.h
new file mode 100644
index 0000000..a7d0b5c
--- /dev/null
+++ b/components/common/libc/include/aarch64/setjmp_.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2018-2019, Arm Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef SETJMP__H
+#define SETJMP__H
+
+#define JMP_CTX_X19	0x0
+#define JMP_CTX_X21	0x10
+#define JMP_CTX_X23	0x20
+#define JMP_CTX_X25	0x30
+#define JMP_CTX_X27	0x40
+#define JMP_CTX_X29	0x50
+#define JMP_CTX_SP	0x60
+#define JMP_CTX_END	0x70 /* Aligned to 16 bytes */
+
+#define JMP_SIZE	(JMP_CTX_END >> 3)
+
+#ifndef __ASSEMBLER__
+
+#include <cdefs.h>
+
+/* Jump buffer hosting x18 - x30 and sp_el0 registers */
+typedef uint64_t jmp_buf[JMP_SIZE] __aligned(16);
+
+#endif /* __ASSEMBLER__ */
+
+#endif /* SETJMP__H */
diff --git a/components/common/libc/include/aarch64/stddef_.h b/components/common/libc/include/aarch64/stddef_.h
new file mode 100644
index 0000000..963048e
--- /dev/null
+++ b/components/common/libc/include/aarch64/stddef_.h
@@ -0,0 +1,15 @@
+/*
+ * Copyright (c) 2018-2019, Arm Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef STDDEF__H
+#define STDDEF__H
+
+#ifndef SIZET_
+typedef unsigned long size_t;
+#define SIZET_
+#endif
+
+#endif /* STDDEF__H */
diff --git a/components/common/libc/include/aarch64/stdint_.h b/components/common/libc/include/aarch64/stdint_.h
new file mode 100644
index 0000000..34a75ec
--- /dev/null
+++ b/components/common/libc/include/aarch64/stdint_.h
@@ -0,0 +1,31 @@
+/*
+ * Copyright 2020 Broadcom
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+/*
+ * Portions copyright (c) 2020, Arm Limited and Contributors.
+ * All rights reserved.
+ */
+
+#ifndef STDINT__H
+#define STDINT__H
+
+#define INT64_MAX  LONG_MAX
+#define INT64_MIN  LONG_MIN
+#define UINT64_MAX ULONG_MAX
+
+#define INT64_C(x) x ## L
+#define UINT64_C(x) x ## UL
+
+typedef long int64_t;
+typedef unsigned long uint64_t;
+typedef long int64_least_t;
+typedef unsigned long uint64_least_t;
+typedef long int64_fast_t;
+typedef unsigned long uint64_fast_t;
+
+typedef __int128 int128_t;
+typedef unsigned __int128 uint128_t;
+
+#endif
diff --git a/components/common/libc/include/aarch64/stdio_.h b/components/common/libc/include/aarch64/stdio_.h
new file mode 100644
index 0000000..331bcaa
--- /dev/null
+++ b/components/common/libc/include/aarch64/stdio_.h
@@ -0,0 +1,15 @@
+/*
+ * Copyright (c) 2018-2019, Arm Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef STDIO__H
+#define STDIO__H
+
+#ifndef SSIZET_
+typedef long ssize_t;
+#define SSIZET_
+#endif
+
+#endif /* STDIO__H */
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 */
diff --git a/components/common/libc/include/assert.h b/components/common/libc/include/assert.h
new file mode 100644
index 0000000..acfd147
--- /dev/null
+++ b/components/common/libc/include/assert.h
@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2018-2019, Arm Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef ASSERT_H
+#define ASSERT_H
+
+#include <cdefs.h>
+
+#include <common/debug.h>
+
+#ifndef PLAT_LOG_LEVEL_ASSERT
+#define PLAT_LOG_LEVEL_ASSERT	LOG_LEVEL
+#endif
+
+#if ENABLE_ASSERTIONS
+# if PLAT_LOG_LEVEL_ASSERT >= LOG_LEVEL_INFO
+#  define assert(e)	((e) ? (void)0 : __assert(__FILE__, __LINE__))
+# else
+#  define assert(e)	((e) ? (void)0 : __assert())
+# endif
+#else
+#define assert(e)	((void)0)
+#endif /* ENABLE_ASSERTIONS */
+
+#if PLAT_LOG_LEVEL_ASSERT >= LOG_LEVEL_INFO
+void __dead2 __assert(const char *file, unsigned int line);
+#else
+void __dead2 __assert(void);
+#endif
+
+#endif /* ASSERT_H */
diff --git a/components/common/libc/include/cdefs.h b/components/common/libc/include/cdefs.h
new file mode 100644
index 0000000..b11d072
--- /dev/null
+++ b/components/common/libc/include/cdefs.h
@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2018-2022, Arm Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef CDEFS_H
+#define CDEFS_H
+
+#define __dead2		__attribute__((__noreturn__))
+#define __deprecated	__attribute__((__deprecated__))
+#define __packed	__attribute__((__packed__))
+#define __used		__attribute__((__used__))
+#define __unused	__attribute__((__unused__))
+#define __maybe_unused	__attribute__((__unused__))
+#define __aligned(x)	__attribute__((__aligned__(x)))
+#define __section(x)	__attribute__((__section__(x)))
+#define __fallthrough	__attribute__((__fallthrough__))
+#if RECLAIM_INIT_CODE
+/*
+ * Add each function to a section that is unique so the functions can still
+ * be garbage collected
+ */
+#define __init		__section(".text.init." __FILE__ "." __XSTRING(__LINE__))
+#else
+#define __init
+#endif
+
+#define __printflike(fmtarg, firstvararg) \
+		__attribute__((__format__ (__printf__, fmtarg, firstvararg)))
+
+#define __weak_reference(sym, alias)	\
+	__asm__(".weak alias");		\
+	__asm__(".equ alias, sym")
+
+#define __STRING(x)	#x
+#define __XSTRING(x)	__STRING(x)
+
+#endif /* CDEFS_H */
diff --git a/components/common/libc/include/endian.h b/components/common/libc/include/endian.h
new file mode 100644
index 0000000..9c9fd58
--- /dev/null
+++ b/components/common/libc/include/endian.h
@@ -0,0 +1,191 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
+ * Copyright (c) 2002 Thomas Moestl <tmm@FreeBSD.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+/*
+ * Portions copyright (c) 2018, Arm Limited and Contributors.
+ * All rights reserved.
+ */
+
+#ifndef ENDIAN_H
+#define ENDIAN_H
+
+#include <cdefs.h>
+#include <stdint.h>
+#include <endian_.h>
+
+/*
+ * General byte order swapping functions.
+ */
+#define	bswap16(x)	__bswap16(x)
+#define	bswap32(x)	__bswap32(x)
+#define	bswap64(x)	__bswap64(x)
+
+/*
+ * Host to big endian, host to little endian, big endian to host, and little
+ * endian to host byte order functions as detailed in byteorder(9).
+ */
+#if _BYTE_ORDER == _LITTLE_ENDIAN
+#define	htobe16(x)	bswap16((x))
+#define	htobe32(x)	bswap32((x))
+#define	htobe64(x)	bswap64((x))
+#define	htole16(x)	((uint16_t)(x))
+#define	htole32(x)	((uint32_t)(x))
+#define	htole64(x)	((uint64_t)(x))
+
+#define	be16toh(x)	bswap16((x))
+#define	be32toh(x)	bswap32((x))
+#define	be64toh(x)	bswap64((x))
+#define	le16toh(x)	((uint16_t)(x))
+#define	le32toh(x)	((uint32_t)(x))
+#define	le64toh(x)	((uint64_t)(x))
+#else /* _BYTE_ORDER != _LITTLE_ENDIAN */
+#define	htobe16(x)	((uint16_t)(x))
+#define	htobe32(x)	((uint32_t)(x))
+#define	htobe64(x)	((uint64_t)(x))
+#define	htole16(x)	bswap16((x))
+#define	htole32(x)	bswap32((x))
+#define	htole64(x)	bswap64((x))
+
+#define	be16toh(x)	((uint16_t)(x))
+#define	be32toh(x)	((uint32_t)(x))
+#define	be64toh(x)	((uint64_t)(x))
+#define	le16toh(x)	bswap16((x))
+#define	le32toh(x)	bswap32((x))
+#define	le64toh(x)	bswap64((x))
+#endif /* _BYTE_ORDER == _LITTLE_ENDIAN */
+
+/* Alignment-agnostic encode/decode bytestream to/from little/big endian. */
+
+static __inline uint16_t
+be16dec(const void *pp)
+{
+	uint8_t const *p = (uint8_t const *)pp;
+
+	return ((p[0] << 8) | p[1]);
+}
+
+static __inline uint32_t
+be32dec(const void *pp)
+{
+	uint8_t const *p = (uint8_t const *)pp;
+
+	return (((unsigned)p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]);
+}
+
+static __inline uint64_t
+be64dec(const void *pp)
+{
+	uint8_t const *p = (uint8_t const *)pp;
+
+	return (((uint64_t)be32dec(p) << 32) | be32dec(p + 4));
+}
+
+static __inline uint16_t
+le16dec(const void *pp)
+{
+	uint8_t const *p = (uint8_t const *)pp;
+
+	return ((p[1] << 8) | p[0]);
+}
+
+static __inline uint32_t
+le32dec(const void *pp)
+{
+	uint8_t const *p = (uint8_t const *)pp;
+
+	return (((unsigned)p[3] << 24) | (p[2] << 16) | (p[1] << 8) | p[0]);
+}
+
+static __inline uint64_t
+le64dec(const void *pp)
+{
+	uint8_t const *p = (uint8_t const *)pp;
+
+	return (((uint64_t)le32dec(p + 4) << 32) | le32dec(p));
+}
+
+static __inline void
+be16enc(void *pp, uint16_t u)
+{
+	uint8_t *p = (uint8_t *)pp;
+
+	p[0] = (u >> 8) & 0xff;
+	p[1] = u & 0xff;
+}
+
+static __inline void
+be32enc(void *pp, uint32_t u)
+{
+	uint8_t *p = (uint8_t *)pp;
+
+	p[0] = (u >> 24) & 0xff;
+	p[1] = (u >> 16) & 0xff;
+	p[2] = (u >> 8) & 0xff;
+	p[3] = u & 0xff;
+}
+
+static __inline void
+be64enc(void *pp, uint64_t u)
+{
+	uint8_t *p = (uint8_t *)pp;
+
+	be32enc(p, (uint32_t)(u >> 32));
+	be32enc(p + 4, (uint32_t)(u & 0xffffffffU));
+}
+
+static __inline void
+le16enc(void *pp, uint16_t u)
+{
+	uint8_t *p = (uint8_t *)pp;
+
+	p[0] = u & 0xff;
+	p[1] = (u >> 8) & 0xff;
+}
+
+static __inline void
+le32enc(void *pp, uint32_t u)
+{
+	uint8_t *p = (uint8_t *)pp;
+
+	p[0] = u & 0xff;
+	p[1] = (u >> 8) & 0xff;
+	p[2] = (u >> 16) & 0xff;
+	p[3] = (u >> 24) & 0xff;
+}
+
+static __inline void
+le64enc(void *pp, uint64_t u)
+{
+	uint8_t *p = (uint8_t *)pp;
+
+	le32enc(p, (uint32_t)(u & 0xffffffffU));
+	le32enc(p + 4, (uint32_t)(u >> 32));
+}
+
+#endif /* ENDIAN_H */
diff --git a/components/common/libc/include/errno.h b/components/common/libc/include/errno.h
new file mode 100644
index 0000000..b536fe9
--- /dev/null
+++ b/components/common/libc/include/errno.h
@@ -0,0 +1,169 @@
+/*-
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (c) 1982, 1986, 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ * (c) UNIX System Laboratories, Inc.
+ * All or some portions of this file are derived from material licensed
+ * to the University of California by American Telephone and Telegraph
+ * Co. or Unix System Laboratories, Inc. and are reproduced herein with
+ * the permission of UNIX System Laboratories, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)errno.h	8.5 (Berkeley) 1/21/94
+ * $FreeBSD$
+ */
+/*
+ * Portions copyright (c) 2018, Arm Limited and Contributors.
+ * All rights reserved.
+ */
+
+#ifndef ERRNO_H
+#define ERRNO_H
+
+#define	EPERM		1		/* Operation not permitted */
+#define	ENOENT		2		/* No such file or directory */
+#define	ESRCH		3		/* No such process */
+#define	EINTR		4		/* Interrupted system call */
+#define	EIO		5		/* Input/output error */
+#define	ENXIO		6		/* Device not configured */
+#define	E2BIG		7		/* Argument list too long */
+#define	ENOEXEC		8		/* Exec format error */
+#define	EBADF		9		/* Bad file descriptor */
+#define	ECHILD		10		/* No child processes */
+#define	EDEADLK		11		/* Resource deadlock avoided */
+					/* 11 was EAGAIN */
+#define	ENOMEM		12		/* Cannot allocate memory */
+#define	EACCES		13		/* Permission denied */
+#define	EFAULT		14		/* Bad address */
+#define	ENOTBLK		15		/* Block device required */
+#define	EBUSY		16		/* Device busy */
+#define	EEXIST		17		/* File exists */
+#define	EXDEV		18		/* Cross-device link */
+#define	ENODEV		19		/* Operation not supported by device */
+#define	ENOTDIR		20		/* Not a directory */
+#define	EISDIR		21		/* Is a directory */
+#define	EINVAL		22		/* Invalid argument */
+#define	ENFILE		23		/* Too many open files in system */
+#define	EMFILE		24		/* Too many open files */
+#define	ENOTTY		25		/* Inappropriate ioctl for device */
+#define	ETXTBSY		26		/* Text file busy */
+#define	EFBIG		27		/* File too large */
+#define	ENOSPC		28		/* No space left on device */
+#define	ESPIPE		29		/* Illegal seek */
+#define	EROFS		30		/* Read-only filesystem */
+#define	EMLINK		31		/* Too many links */
+#define	EPIPE		32		/* Broken pipe */
+
+/* math software */
+#define	EDOM		33		/* Numerical argument out of domain */
+#define	ERANGE		34		/* Result too large */
+
+/* non-blocking and interrupt i/o */
+#define	EAGAIN		35		/* Resource temporarily unavailable */
+#define	EWOULDBLOCK	EAGAIN		/* Operation would block */
+#define	EINPROGRESS	36		/* Operation now in progress */
+#define	EALREADY	37		/* Operation already in progress */
+
+/* ipc/network software -- argument errors */
+#define	ENOTSOCK	38		/* Socket operation on non-socket */
+#define	EDESTADDRREQ	39		/* Destination address required */
+#define	EMSGSIZE	40		/* Message too long */
+#define	EPROTOTYPE	41		/* Protocol wrong type for socket */
+#define	ENOPROTOOPT	42		/* Protocol not available */
+#define	EPROTONOSUPPORT	43		/* Protocol not supported */
+#define	ESOCKTNOSUPPORT	44		/* Socket type not supported */
+#define	EOPNOTSUPP	45		/* Operation not supported */
+#define	ENOTSUP		EOPNOTSUPP	/* Operation not supported */
+#define	EPFNOSUPPORT	46		/* Protocol family not supported */
+#define	EAFNOSUPPORT	47		/* Address family not supported by protocol family */
+#define	EADDRINUSE	48		/* Address already in use */
+#define	EADDRNOTAVAIL	49		/* Can't assign requested address */
+
+/* ipc/network software -- operational errors */
+#define	ENETDOWN	50		/* Network is down */
+#define	ENETUNREACH	51		/* Network is unreachable */
+#define	ENETRESET	52		/* Network dropped connection on reset */
+#define	ECONNABORTED	53		/* Software caused connection abort */
+#define	ECONNRESET	54		/* Connection reset by peer */
+#define	ENOBUFS		55		/* No buffer space available */
+#define	EISCONN		56		/* Socket is already connected */
+#define	ENOTCONN	57		/* Socket is not connected */
+#define	ESHUTDOWN	58		/* Can't send after socket shutdown */
+#define	ETOOMANYREFS	59		/* Too many references: can't splice */
+#define	ETIMEDOUT	60		/* Operation timed out */
+#define	ECONNREFUSED	61		/* Connection refused */
+
+#define	ELOOP		62		/* Too many levels of symbolic links */
+#define	ENAMETOOLONG	63		/* File name too long */
+
+/* should be rearranged */
+#define	EHOSTDOWN	64		/* Host is down */
+#define	EHOSTUNREACH	65		/* No route to host */
+#define	ENOTEMPTY	66		/* Directory not empty */
+
+/* quotas & mush */
+#define	EPROCLIM	67		/* Too many processes */
+#define	EUSERS		68		/* Too many users */
+#define	EDQUOT		69		/* Disc quota exceeded */
+
+/* Network File System */
+#define	ESTALE		70		/* Stale NFS file handle */
+#define	EREMOTE		71		/* Too many levels of remote in path */
+#define	EBADRPC		72		/* RPC struct is bad */
+#define	ERPCMISMATCH	73		/* RPC version wrong */
+#define	EPROGUNAVAIL	74		/* RPC prog. not avail */
+#define	EPROGMISMATCH	75		/* Program version wrong */
+#define	EPROCUNAVAIL	76		/* Bad procedure for program */
+
+#define	ENOLCK		77		/* No locks available */
+#define	ENOSYS		78		/* Function not implemented */
+
+#define	EFTYPE		79		/* Inappropriate file type or format */
+#define	EAUTH		80		/* Authentication error */
+#define	ENEEDAUTH	81		/* Need authenticator */
+#define	EIDRM		82		/* Identifier removed */
+#define	ENOMSG		83		/* No message of desired type */
+#define	EOVERFLOW	84		/* Value too large to be stored in data type */
+#define	ECANCELED	85		/* Operation canceled */
+#define	EILSEQ		86		/* Illegal byte sequence */
+#define	ENOATTR		87		/* Attribute not found */
+
+#define	EDOOFUS		88		/* Programming error */
+
+#define	EBADMSG		89		/* Bad message */
+#define	EMULTIHOP	90		/* Multihop attempted */
+#define	ENOLINK		91		/* Link has been severed */
+#define	EPROTO		92		/* Protocol error */
+
+#define	ENOTCAPABLE	93		/* Capabilities insufficient */
+#define	ECAPMODE	94		/* Not permitted in capability mode */
+#define	ENOTRECOVERABLE	95		/* State not recoverable */
+#define	EOWNERDEAD	96		/* Previous owner died */
+
+#define	ELAST		96		/* Must be equal largest errno */
+
+#endif /* ERRNO_H */
diff --git a/components/common/libc/include/inttypes.h b/components/common/libc/include/inttypes.h
new file mode 100644
index 0000000..344b71c
--- /dev/null
+++ b/components/common/libc/include/inttypes.h
@@ -0,0 +1,41 @@
+/*
+ * Copyright 2020 Broadcom
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+/*
+ * Portions copyright (c) 2020, Arm Limited and Contributors.
+ * All rights reserved.
+ */
+
+#ifndef INTTYPES_H
+#define INTTYPES_H
+
+#include <inttypes_.h>
+#include <stdint.h>
+
+#define PRId8		"d"	/* int8_t */
+#define PRId16		"d"	/* int16_t */
+#define PRId32		"d"	/* int32_t */
+
+#define PRIi8		"i"	/* int8_t */
+#define PRIi16		"i"	/* int16_t */
+#define PRIi32		"i"	/* int32_t */
+
+#define PRIo8		"o"	/* int8_t */
+#define PRIo16		"o"	/* int16_t */
+#define PRIo32		"o"	/* int32_t */
+
+#define PRIu8		"u"	/* uint8_t */
+#define PRIu16		"u"	/* uint16_t */
+#define PRIu32		"u"	/* uint32_t */
+
+#define PRIx8		"x"	/* uint8_t */
+#define PRIx16		"x"	/* uint16_t */
+#define PRIx32		"x"	/* uint32_t */
+
+#define PRIX8		"X"	/* uint8_t */
+#define PRIX16		"X"	/* uint16_t */
+#define PRIX32		"X"	/* uint32_t */
+
+#endif
diff --git a/components/common/libc/include/limits.h b/components/common/libc/include/limits.h
new file mode 100644
index 0000000..c5c8764
--- /dev/null
+++ b/components/common/libc/include/limits.h
@@ -0,0 +1,19 @@
+/*
+ * Copyright (c) 2012-2017 Roberto E. Vargas Caballero
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+/*
+ * Portions copyright (c) 2018, Arm Limited and Contributors.
+ * All rights reserved.
+ */
+
+#ifndef LIMITS_H
+#define LIMITS_H
+
+#include <limits_.h>
+
+#define CHAR_BIT   8
+#define MB_LEN_MAX 1
+
+#endif /* LIMITS_H */
diff --git a/components/common/libc/include/setjmp.h b/components/common/libc/include/setjmp.h
new file mode 100644
index 0000000..871c868
--- /dev/null
+++ b/components/common/libc/include/setjmp.h
@@ -0,0 +1,20 @@
+/*
+ * Copyright (c) 2018-2019, Arm Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef SETJMP_H
+#define SETJMP_H
+
+#include <setjmp_.h>
+
+#ifndef __ASSEMBLER__
+
+#include <cdefs.h>
+
+int setjmp(jmp_buf env);
+__dead2 void longjmp(jmp_buf env, int val);
+
+#endif /* __ASSEMBLER__ */
+#endif /* SETJMP_H */
diff --git a/components/common/libc/include/stdarg.h b/components/common/libc/include/stdarg.h
new file mode 100644
index 0000000..2d1f785
--- /dev/null
+++ b/components/common/libc/include/stdarg.h
@@ -0,0 +1,20 @@
+/*
+ * Copyright (c) 2012-2017 Roberto E. Vargas Caballero
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+/*
+ * Portions copyright (c) 2018, Arm Limited and Contributors.
+ * All rights reserved.
+ */
+
+#ifndef STDARG_H
+#define STDARG_H
+
+#define va_list __builtin_va_list
+#define va_start(ap, last) __builtin_va_start(ap, last)
+#define va_end(ap) __builtin_va_end(ap)
+#define va_copy(to, from) __builtin_va_copy(to, from)
+#define va_arg(to, type) __builtin_va_arg(to, type)
+
+#endif /* STDARG_H */
diff --git a/components/common/libc/include/stdbool.h b/components/common/libc/include/stdbool.h
new file mode 100644
index 0000000..c2c9b22
--- /dev/null
+++ b/components/common/libc/include/stdbool.h
@@ -0,0 +1,17 @@
+/*
+ * Copyright (c) 2018-2020, Arm Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef STDBOOL_H
+#define STDBOOL_H
+
+#define bool	_Bool
+
+#define true	(0 < 1)
+#define false	(0 > 1)
+
+#define __bool_true_false_are_defined	1
+
+#endif /* STDBOOL_H */
diff --git a/components/common/libc/include/stddef.h b/components/common/libc/include/stddef.h
new file mode 100644
index 0000000..aaad673
--- /dev/null
+++ b/components/common/libc/include/stddef.h
@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2012-2017 Roberto E. Vargas Caballero
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+/*
+ * Portions copyright (c) 2018-2019, Arm Limited and Contributors.
+ * All rights reserved.
+ */
+
+#ifndef STDDEF_H
+#define STDDEF_H
+
+#include <stddef_.h>
+
+#ifndef _PTRDIFF_T
+typedef long ptrdiff_t;
+#define _PTRDIFF_T
+#endif
+
+#ifndef NULL
+#define NULL ((void *) 0)
+#endif
+
+#define offsetof(st, m) __builtin_offsetof(st, m)
+
+#endif /* STDDEF_H */
diff --git a/components/common/libc/include/stdint.h b/components/common/libc/include/stdint.h
new file mode 100644
index 0000000..88502e7
--- /dev/null
+++ b/components/common/libc/include/stdint.h
@@ -0,0 +1,122 @@
+/*
+ * Copyright (c) 2012-2017 Roberto E. Vargas Caballero
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+/*
+ * Portions copyright (c) 2018-2019, Arm Limited and Contributors.
+ * All rights reserved.
+ */
+
+#ifndef STDINT_H
+#define STDINT_H
+
+#include <limits.h>
+#include <stdint_.h>
+
+#define INT8_MAX  CHAR_MAX
+#define INT8_MIN  CHAR_MIN
+#define UINT8_MAX UCHAR_MAX
+
+#define INT16_MAX  SHRT_MAX
+#define INT16_MIN  SHRT_MIN
+#define UINT16_MAX USHRT_MAX
+
+#define INT32_MAX  INT_MAX
+#define INT32_MIN  INT_MIN
+#define UINT32_MAX UINT_MAX
+
+#define INT_LEAST8_MIN  INT8_MIN
+#define INT_LEAST8_MAX  INT8_MAX
+#define UINT_LEAST8_MAX UINT8_MAX
+
+#define INT_LEAST16_MIN  INT16_MIN
+#define INT_LEAST16_MAX  INT16_MAX
+#define UINT_LEAST16_MAX UINT16_MAX
+
+#define INT_LEAST32_MIN  INT32_MIN
+#define INT_LEAST32_MAX  INT32_MAX
+#define UINT_LEAST32_MAX UINT32_MAX
+
+#define INT_LEAST64_MIN  INT64_MIN
+#define INT_LEAST64_MAX  INT64_MAX
+#define UINT_LEAST64_MAX UINT64_MAX
+
+#define INT_FAST8_MIN  INT32_MIN
+#define INT_FAST8_MAX  INT32_MAX
+#define UINT_FAST8_MAX UINT32_MAX
+
+#define INT_FAST16_MIN  INT32_MIN
+#define INT_FAST16_MAX  INT32_MAX
+#define UINT_FAST16_MAX UINT32_MAX
+
+#define INT_FAST32_MIN  INT32_MIN
+#define INT_FAST32_MAX  INT32_MAX
+#define UINT_FAST32_MAX UINT32_MAX
+
+#define INT_FAST64_MIN  INT64_MIN
+#define INT_FAST64_MAX  INT64_MAX
+#define UINT_FAST64_MAX UINT64_MAX
+
+#define INTPTR_MIN  LONG_MIN
+#define INTPTR_MAX  LONG_MAX
+#define UINTPTR_MAX ULONG_MAX
+
+#define INTMAX_MIN  LLONG_MIN
+#define INTMAX_MAX  LLONG_MAX
+#define UINTMAX_MAX ULLONG_MAX
+
+#define PTRDIFF_MIN LONG_MIN
+#define PTRDIFF_MAX LONG_MAX
+
+#define SIZE_MAX ULONG_MAX
+
+#define INT8_C(x)  x
+#define INT16_C(x) x
+#define INT32_C(x) x
+
+#define UINT8_C(x)  x
+#define UINT16_C(x) x
+#define UINT32_C(x) x ## U
+
+#define INTMAX_C(x)  x ## LL
+#define UINTMAX_C(x) x ## ULL
+
+typedef signed char int8_t;
+typedef short int16_t;
+typedef int int32_t;
+
+typedef unsigned char uint8_t;
+typedef unsigned short uint16_t;
+typedef unsigned int uint32_t;
+
+typedef signed char int8_least_t;
+typedef short int16_least_t;
+typedef int int32_least_t;
+
+typedef unsigned char uint8_least_t;
+typedef unsigned short uint16_least_t;
+typedef unsigned int uint32_least_t;
+
+typedef int int8_fast_t;
+typedef int int16_fast_t;
+typedef int int32_fast_t;
+
+typedef unsigned int uint8_fast_t;
+typedef unsigned int uint16_fast_t;
+typedef unsigned int uint32_fast_t;
+
+typedef long intptr_t;
+typedef unsigned long uintptr_t;
+
+/*
+* Conceptually, these are supposed to be the largest integers representable in C,
+* but GCC and Clang define them as long long for compatibility.
+*/
+typedef long long intmax_t;
+typedef unsigned long long uintmax_t;
+
+typedef long register_t;
+typedef unsigned long u_register_t;
+
+#endif /* STDINT_H */
diff --git a/components/common/libc/include/stdio.h b/components/common/libc/include/stdio.h
new file mode 100644
index 0000000..5ceaf68
--- /dev/null
+++ b/components/common/libc/include/stdio.h
@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2012-2017 Roberto E. Vargas Caballero
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+/*
+ * Portions copyright (c) 2018-2019, Arm Limited and Contributors.
+ * All rights reserved.
+ */
+
+#ifndef STDIO_H
+#define STDIO_H
+
+#include <cdefs.h>
+#include <stddef.h>
+#include <stdio_.h>
+
+#define EOF            -1
+
+int printf(const char *fmt, ...) __printflike(1, 2);
+int snprintf(char *s, size_t n, const char *fmt, ...) __printflike(3, 4);
+
+#ifdef STDARG_H
+int vprintf(const char *fmt, va_list args);
+int vsnprintf(char *s, size_t n, const char *fmt, va_list args);
+#endif
+
+int putchar(int c);
+int puts(const char *s);
+
+#endif /* STDIO_H */
diff --git a/components/common/libc/include/stdlib.h b/components/common/libc/include/stdlib.h
new file mode 100644
index 0000000..4e5a824
--- /dev/null
+++ b/components/common/libc/include/stdlib.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2012-2021 Roberto E. Vargas Caballero
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+/*
+ * Portions copyright (c) 2018-2019, Arm Limited and Contributors.
+ * All rights reserved.
+ */
+
+#ifndef STDLIB_H
+#define STDLIB_H
+
+#include <stddef.h>
+
+#define EXIT_FAILURE 1
+#define EXIT_SUCCESS 0
+
+#define _ATEXIT_MAX 1
+
+#define isspace(x)    (((x) == ' ') || ((x) == '\r') || ((x) == '\n') || \
+			((x) == '\t') || ((x) == '\b'))
+
+extern void abort(void);
+extern int atexit(void (*func)(void));
+extern void exit(int status);
+
+long strtol(const char *nptr, char **endptr, int base);
+unsigned long strtoul(const char *nptr, char **endptr, int base);
+long long strtoll(const char *nptr, char **endptr, int base);
+unsigned long long strtoull(const char *nptr, char **endptr, int base);
+#endif /* STDLIB_H */
diff --git a/components/common/libc/include/string.h b/components/common/libc/include/string.h
new file mode 100644
index 0000000..8129404
--- /dev/null
+++ b/components/common/libc/include/string.h
@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2012-2017 Roberto E. Vargas Caballero
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+/*
+ * Portions copyright (c) 2018-2020, Arm Limited and Contributors.
+ * Portions copyright (c) 2023, Intel Corporation. All rights reserved.
+ * All rights reserved.
+ */
+
+#ifndef STRING_H
+#define STRING_H
+
+#include <stddef.h>
+
+void *memcpy(void *dst, const void *src, size_t len);
+int memcpy_s(void *dst, size_t dsize, void *src, size_t ssize);
+void *memmove(void *dst, const void *src, size_t len);
+int memcmp(const void *s1, const void *s2, size_t len);
+int strcmp(const char *s1, const char *s2);
+int strncmp(const char *s1, const char *s2, size_t n);
+void *memchr(const void *src, int c, size_t len);
+void *memrchr(const void *src, int c, size_t len);
+char *strchr(const char *s, int c);
+void *memset(void *dst, int val, size_t count);
+size_t strlen(const char *s);
+size_t strnlen(const char *s, size_t maxlen);
+char *strrchr(const char *p, int ch);
+size_t strlcpy(char * dst, const char * src, size_t dsize);
+size_t strlcat(char * dst, const char * src, size_t dsize);
+char *strtok_r(char *s, const char *delim, char **last);
+
+#endif /* STRING_H */
diff --git a/components/common/libc/include/sys/cdefs.h b/components/common/libc/include/sys/cdefs.h
new file mode 100644
index 0000000..1ace5fb
--- /dev/null
+++ b/components/common/libc/include/sys/cdefs.h
@@ -0,0 +1,922 @@
+/*-
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (c) 1991, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Berkeley Software Design, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)cdefs.h	8.8 (Berkeley) 1/9/95
+ * $FreeBSD$
+ */
+
+#ifndef	_SYS_CDEFS_H_
+#define	_SYS_CDEFS_H_
+
+#if defined(_KERNEL) && defined(_STANDALONE)
+#error "_KERNEL and _STANDALONE are mutually exclusive"
+#endif
+
+/*
+ * Testing against Clang-specific extensions.
+ */
+#ifndef	__has_attribute
+#define	__has_attribute(x)	0
+#endif
+#ifndef	__has_extension
+#define	__has_extension		__has_feature
+#endif
+#ifndef	__has_feature
+#define	__has_feature(x)	0
+#endif
+#ifndef	__has_include
+#define	__has_include(x)	0
+#endif
+#ifndef	__has_builtin
+#define	__has_builtin(x)	0
+#endif
+
+#if defined(__cplusplus)
+#define	__BEGIN_DECLS	extern "C" {
+#define	__END_DECLS	}
+#else
+#define	__BEGIN_DECLS
+#define	__END_DECLS
+#endif
+
+/*
+ * This code has been put in place to help reduce the addition of
+ * compiler specific defines in FreeBSD code.  It helps to aid in
+ * having a compiler-agnostic source tree.
+ */
+
+#if defined(__GNUC__)
+
+#if __GNUC__ >= 3
+#define	__GNUCLIKE_ASM 3
+#define	__GNUCLIKE_MATH_BUILTIN_CONSTANTS
+#else
+#define	__GNUCLIKE_ASM 2
+#endif
+#define	__GNUCLIKE___TYPEOF 1
+#define	__GNUCLIKE___SECTION 1
+
+#define	__GNUCLIKE_CTOR_SECTION_HANDLING 1
+
+#define	__GNUCLIKE_BUILTIN_CONSTANT_P 1
+
+#if (__GNUC_MINOR__ > 95 || __GNUC__ >= 3)
+#define	__GNUCLIKE_BUILTIN_VARARGS 1
+#define	__GNUCLIKE_BUILTIN_STDARG 1
+#define	__GNUCLIKE_BUILTIN_VAALIST 1
+#endif
+
+#define	__GNUC_VA_LIST_COMPATIBILITY 1
+
+/*
+ * Compiler memory barriers, specific to gcc and clang.
+ */
+#define	__compiler_membar()	__asm __volatile(" " : : : "memory")
+
+#define	__GNUCLIKE_BUILTIN_NEXT_ARG 1
+#define	__GNUCLIKE_MATH_BUILTIN_RELOPS
+
+#define	__GNUCLIKE_BUILTIN_MEMCPY 1
+
+/* XXX: if __GNUC__ >= 2: not tested everywhere originally, where replaced */
+#define	__CC_SUPPORTS_INLINE 1
+#define	__CC_SUPPORTS___INLINE 1
+#define	__CC_SUPPORTS___INLINE__ 1
+
+#define	__CC_SUPPORTS___FUNC__ 1
+#define	__CC_SUPPORTS_WARNING 1
+
+#define	__CC_SUPPORTS_VARADIC_XXX 1 /* see varargs.h */
+
+#define	__CC_SUPPORTS_DYNAMIC_ARRAY_INIT 1
+
+#endif /* __GNUC__ */
+
+/*
+ * Macro to test if we're using a specific version of gcc or later.
+ */
+#if defined(__GNUC__)
+#define	__GNUC_PREREQ__(ma, mi)	\
+	(__GNUC__ > (ma) || __GNUC__ == (ma) && __GNUC_MINOR__ >= (mi))
+#else
+#define	__GNUC_PREREQ__(ma, mi)	0
+#endif
+
+/*
+ * The __CONCAT macro is used to concatenate parts of symbol names, e.g.
+ * with "#define OLD(foo) __CONCAT(old,foo)", OLD(foo) produces oldfoo.
+ * The __CONCAT macro is a bit tricky to use if it must work in non-ANSI
+ * mode -- there must be no spaces between its arguments, and for nested
+ * __CONCAT's, all the __CONCAT's must be at the left.  __CONCAT can also
+ * concatenate double-quoted strings produced by the __STRING macro, but
+ * this only works with ANSI C.
+ *
+ * __XSTRING is like __STRING, but it expands any macros in its argument
+ * first.  It is only available with ANSI C.
+ */
+#if defined(__STDC__) || defined(__cplusplus)
+#define	__P(protos)	protos		/* full-blown ANSI C */
+#define	__CONCAT1(x,y)	x ## y
+#define	__CONCAT(x,y)	__CONCAT1(x,y)
+#define	__STRING(x)	#x		/* stringify without expanding x */
+#define	__XSTRING(x)	__STRING(x)	/* expand x, then stringify */
+
+#define	__const		const		/* define reserved names to standard */
+#define	__signed	signed
+#define	__volatile	volatile
+#if defined(__cplusplus)
+#define	__inline	inline		/* convert to C++ keyword */
+#else
+#if !(defined(__CC_SUPPORTS___INLINE))
+#define	__inline			/* delete GCC keyword */
+#endif /* ! __CC_SUPPORTS___INLINE */
+#endif /* !__cplusplus */
+
+#else	/* !(__STDC__ || __cplusplus) */
+#define	__P(protos)	()		/* traditional C preprocessor */
+#define	__CONCAT(x,y)	x/**/y
+#define	__STRING(x)	"x"
+
+#if !defined(__CC_SUPPORTS___INLINE)
+#define	__const				/* delete pseudo-ANSI C keywords */
+#define	__inline
+#define	__signed
+#define	__volatile
+/*
+ * In non-ANSI C environments, new programs will want ANSI-only C keywords
+ * deleted from the program and old programs will want them left alone.
+ * When using a compiler other than gcc, programs using the ANSI C keywords
+ * const, inline etc. as normal identifiers should define -DNO_ANSI_KEYWORDS.
+ * When using "gcc -traditional", we assume that this is the intent; if
+ * __GNUC__ is defined but __STDC__ is not, we leave the new keywords alone.
+ */
+#ifndef	NO_ANSI_KEYWORDS
+#define	const				/* delete ANSI C keywords */
+#define	inline
+#define	signed
+#define	volatile
+#endif	/* !NO_ANSI_KEYWORDS */
+#endif	/* !__CC_SUPPORTS___INLINE */
+#endif	/* !(__STDC__ || __cplusplus) */
+
+/*
+ * Compiler-dependent macros to help declare dead (non-returning) and
+ * pure (no side effects) functions, and unused variables.  They are
+ * null except for versions of gcc that are known to support the features
+ * properly (old versions of gcc-2 supported the dead and pure features
+ * in a different (wrong) way).  If we do not provide an implementation
+ * for a given compiler, let the compile fail if it is told to use
+ * a feature that we cannot live without.
+ */
+#define	__weak_symbol	__attribute__((__weak__))
+#if !__GNUC_PREREQ__(2, 5)
+#define	__dead2
+#define	__pure2
+#define	__unused
+#endif
+#if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 && __GNUC_MINOR__ < 7
+#define	__dead2		__attribute__((__noreturn__))
+#define	__pure2		__attribute__((__const__))
+#define	__unused
+/* XXX Find out what to do for __packed, __aligned and __section */
+#endif
+#if __GNUC_PREREQ__(2, 7)
+#define	__dead2		__attribute__((__noreturn__))
+#define	__pure2		__attribute__((__const__))
+#define	__unused	__attribute__((__unused__))
+#define	__used		__attribute__((__used__))
+#define	__packed	__attribute__((__packed__))
+#define	__aligned(x)	__attribute__((__aligned__(x)))
+#define	__section(x)	__attribute__((__section__(x)))
+#endif
+#if __GNUC_PREREQ__(4, 3) || __has_attribute(__alloc_size__)
+#define	__alloc_size(x)	__attribute__((__alloc_size__(x)))
+#define	__alloc_size2(n, x)	__attribute__((__alloc_size__(n, x)))
+#else
+#define	__alloc_size(x)
+#define	__alloc_size2(n, x)
+#endif
+#if __GNUC_PREREQ__(4, 9) || __has_attribute(__alloc_align__)
+#define	__alloc_align(x)	__attribute__((__alloc_align__(x)))
+#else
+#define	__alloc_align(x)
+#endif
+
+#if !__GNUC_PREREQ__(2, 95)
+#define	__alignof(x)	__offsetof(struct { char __a; x __b; }, __b)
+#endif
+
+/*
+ * Keywords added in C11.
+ */
+
+#if !defined(__STDC_VERSION__) || __STDC_VERSION__ < 201112L
+
+#if !__has_extension(c_alignas)
+#if (defined(__cplusplus) && __cplusplus >= 201103L) || \
+    __has_extension(cxx_alignas)
+#define	_Alignas(x)		alignas(x)
+#else
+/* XXX: Only emulates _Alignas(constant-expression); not _Alignas(type-name). */
+#define	_Alignas(x)		__aligned(x)
+#endif
+#endif
+
+#if defined(__cplusplus) && __cplusplus >= 201103L
+#define	_Alignof(x)		alignof(x)
+#else
+#define	_Alignof(x)		__alignof(x)
+#endif
+
+#if !defined(__cplusplus) && !__has_extension(c_atomic) && \
+	!__has_extension(cxx_atomic) && !__GNUC_PREREQ__(4, 7)
+/*
+ * No native support for _Atomic(). Place object in structure to prevent
+ * most forms of direct non-atomic access.
+ */
+#define	_Atomic(T)		struct { T volatile __val; }
+#endif
+
+#if defined(__cplusplus) && __cplusplus >= 201103L
+#define	_Noreturn		[[noreturn]]
+#else
+#define	_Noreturn		__dead2
+#endif
+
+#if !__has_extension(c_static_assert)
+#if (defined(__cplusplus) && __cplusplus >= 201103L) || \
+    __has_extension(cxx_static_assert)
+#define	_Static_assert(x, y)	static_assert(x, y)
+#elif __GNUC_PREREQ__(4,6) && !defined(__cplusplus)
+/* Nothing, gcc 4.6 and higher has _Static_assert built-in */
+#elif defined(__COUNTER__)
+#define	_Static_assert(x, y)	__Static_assert(x, __COUNTER__)
+#define	__Static_assert(x, y)	___Static_assert(x, y)
+#define	___Static_assert(x, y)	typedef char __assert_ ## y[(x) ? 1 : -1] \
+				__unused
+#else
+#define	_Static_assert(x, y)	struct __hack
+#endif
+#endif
+
+#if !__has_extension(c_thread_local)
+/*
+ * XXX: Some compilers (Clang 3.3, GCC 4.7) falsely announce C++11 mode
+ * without actually supporting the thread_local keyword. Don't check for
+ * the presence of C++11 when defining _Thread_local.
+ */
+#if /* (defined(__cplusplus) && __cplusplus >= 201103L) || */ \
+    __has_extension(cxx_thread_local)
+#define	_Thread_local		thread_local
+#else
+#define	_Thread_local		__thread
+#endif
+#endif
+
+#endif /* __STDC_VERSION__ || __STDC_VERSION__ < 201112L */
+
+/*
+ * Emulation of C11 _Generic().  Unlike the previously defined C11
+ * keywords, it is not possible to implement this using exactly the same
+ * syntax.  Therefore implement something similar under the name
+ * __generic().  Unlike _Generic(), this macro can only distinguish
+ * between a single type, so it requires nested invocations to
+ * distinguish multiple cases.
+ */
+
+#if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L) || \
+    __has_extension(c_generic_selections)
+#define	__generic(expr, t, yes, no)					\
+	_Generic(expr, t: yes, default: no)
+#elif __GNUC_PREREQ__(3, 1) && !defined(__cplusplus)
+#define	__generic(expr, t, yes, no)					\
+	__builtin_choose_expr(						\
+	    __builtin_types_compatible_p(__typeof(expr), t), yes, no)
+#endif
+
+/*
+ * C99 Static array indices in function parameter declarations.  Syntax such as:
+ * void bar(int myArray[static 10]);
+ * is allowed in C99 but not in C++.  Define __min_size appropriately so
+ * headers using it can be compiled in either language.  Use like this:
+ * void bar(int myArray[__min_size(10)]);
+ */
+#if !defined(__cplusplus) && \
+    (defined(__clang__) || __GNUC_PREREQ__(4, 6)) && \
+    (!defined(__STDC_VERSION__) || (__STDC_VERSION__ >= 199901))
+#define __min_size(x)	static (x)
+#else
+#define __min_size(x)	(x)
+#endif
+
+#if __GNUC_PREREQ__(2, 96)
+#define	__malloc_like	__attribute__((__malloc__))
+#define	__pure		__attribute__((__pure__))
+#else
+#define	__malloc_like
+#define	__pure
+#endif
+
+#if __GNUC_PREREQ__(3, 1)
+#define	__always_inline	__attribute__((__always_inline__))
+#else
+#define	__always_inline
+#endif
+
+#if __GNUC_PREREQ__(3, 1)
+#define	__noinline	__attribute__ ((__noinline__))
+#else
+#define	__noinline
+#endif
+
+#if __GNUC_PREREQ__(3, 4)
+#define	__fastcall	__attribute__((__fastcall__))
+#define	__result_use_check	__attribute__((__warn_unused_result__))
+#else
+#define	__fastcall
+#define	__result_use_check
+#endif
+
+#if __GNUC_PREREQ__(4, 1)
+#define	__returns_twice	__attribute__((__returns_twice__))
+#else
+#define	__returns_twice
+#endif
+
+#if __GNUC_PREREQ__(4, 6) || __has_builtin(__builtin_unreachable)
+#define	__unreachable()	__builtin_unreachable()
+#else
+#define	__unreachable()	((void)0)
+#endif
+
+/* XXX: should use `#if __STDC_VERSION__ < 199901'. */
+#if !__GNUC_PREREQ__(2, 7)
+#define	__func__	NULL
+#endif
+
+#if (defined(__GNUC__) && __GNUC__ >= 2) && !defined(__STRICT_ANSI__) || __STDC_VERSION__ >= 199901
+#define	__LONG_LONG_SUPPORTED
+#endif
+
+/* C++11 exposes a load of C99 stuff */
+#if defined(__cplusplus) && __cplusplus >= 201103L
+#define	__LONG_LONG_SUPPORTED
+#ifndef	__STDC_LIMIT_MACROS
+#define	__STDC_LIMIT_MACROS
+#endif
+#ifndef	__STDC_CONSTANT_MACROS
+#define	__STDC_CONSTANT_MACROS
+#endif
+#endif
+
+/*
+ * GCC 2.95 provides `__restrict' as an extension to C90 to support the
+ * C99-specific `restrict' type qualifier.  We happen to use `__restrict' as
+ * a way to define the `restrict' type qualifier without disturbing older
+ * software that is unaware of C99 keywords.
+ */
+#if !(__GNUC__ == 2 && __GNUC_MINOR__ == 95)
+#if !defined(__STDC_VERSION__) || __STDC_VERSION__ < 199901
+#define	__restrict
+#else
+#define	__restrict	restrict
+#endif
+#endif
+
+/*
+ * GNU C version 2.96 adds explicit branch prediction so that
+ * the CPU back-end can hint the processor and also so that
+ * code blocks can be reordered such that the predicted path
+ * sees a more linear flow, thus improving cache behavior, etc.
+ *
+ * The following two macros provide us with a way to utilize this
+ * compiler feature.  Use __predict_true() if you expect the expression
+ * to evaluate to true, and __predict_false() if you expect the
+ * expression to evaluate to false.
+ *
+ * A few notes about usage:
+ *
+ *	* Generally, __predict_false() error condition checks (unless
+ *	  you have some _strong_ reason to do otherwise, in which case
+ *	  document it), and/or __predict_true() `no-error' condition
+ *	  checks, assuming you want to optimize for the no-error case.
+ *
+ *	* Other than that, if you don't know the likelihood of a test
+ *	  succeeding from empirical or other `hard' evidence, don't
+ *	  make predictions.
+ *
+ *	* These are meant to be used in places that are run `a lot'.
+ *	  It is wasteful to make predictions in code that is run
+ *	  seldomly (e.g. at subsystem initialization time) as the
+ *	  basic block reordering that this affects can often generate
+ *	  larger code.
+ */
+#if __GNUC_PREREQ__(2, 96)
+#define	__predict_true(exp)     __builtin_expect((exp), 1)
+#define	__predict_false(exp)    __builtin_expect((exp), 0)
+#else
+#define	__predict_true(exp)     (exp)
+#define	__predict_false(exp)    (exp)
+#endif
+
+#if __GNUC_PREREQ__(4, 0)
+#define	__null_sentinel	__attribute__((__sentinel__))
+#define	__exported	__attribute__((__visibility__("default")))
+#define	__hidden	__attribute__((__visibility__("hidden")))
+#else
+#define	__null_sentinel
+#define	__exported
+#define	__hidden
+#endif
+
+/*
+ * We define this here since <stddef.h>, <sys/queue.h>, and <sys/types.h>
+ * require it.
+ */
+#if __GNUC_PREREQ__(4, 1)
+#define	__offsetof(type, field)	 __builtin_offsetof(type, field)
+#else
+#ifndef __cplusplus
+#define	__offsetof(type, field) \
+	((__size_t)(__uintptr_t)((const volatile void *)&((type *)0)->field))
+#else
+#define	__offsetof(type, field)					\
+  (__offsetof__ (reinterpret_cast <__size_t>			\
+                 (&reinterpret_cast <const volatile char &>	\
+                  (static_cast<type *> (0)->field))))
+#endif
+#endif
+#define	__rangeof(type, start, end) \
+	(__offsetof(type, end) - __offsetof(type, start))
+
+/*
+ * Given the pointer x to the member m of the struct s, return
+ * a pointer to the containing structure.  When using GCC, we first
+ * assign pointer x to a local variable, to check that its type is
+ * compatible with member m.
+ */
+#if __GNUC_PREREQ__(3, 1)
+#define	__containerof(x, s, m) ({					\
+	const volatile __typeof(((s *)0)->m) *__x = (x);		\
+	__DEQUALIFY(s *, (const volatile char *)__x - __offsetof(s, m));\
+})
+#else
+#define	__containerof(x, s, m)						\
+	__DEQUALIFY(s *, (const volatile char *)(x) - __offsetof(s, m))
+#endif
+
+/*
+ * Compiler-dependent macros to declare that functions take printf-like
+ * or scanf-like arguments.  They are null except for versions of gcc
+ * that are known to support the features properly (old versions of gcc-2
+ * didn't permit keeping the keywords out of the application namespace).
+ */
+#if !__GNUC_PREREQ__(2, 7)
+#define	__printflike(fmtarg, firstvararg)
+#define	__scanflike(fmtarg, firstvararg)
+#define	__format_arg(fmtarg)
+#define	__strfmonlike(fmtarg, firstvararg)
+#define	__strftimelike(fmtarg, firstvararg)
+#else
+#define	__printflike(fmtarg, firstvararg) \
+	    __attribute__((__format__ (__printf__, fmtarg, firstvararg)))
+#define	__scanflike(fmtarg, firstvararg) \
+	    __attribute__((__format__ (__scanf__, fmtarg, firstvararg)))
+#define	__format_arg(fmtarg)	__attribute__((__format_arg__ (fmtarg)))
+#define	__strfmonlike(fmtarg, firstvararg) \
+	    __attribute__((__format__ (__strfmon__, fmtarg, firstvararg)))
+#define	__strftimelike(fmtarg, firstvararg) \
+	    __attribute__((__format__ (__strftime__, fmtarg, firstvararg)))
+#endif
+
+/* Compiler-dependent macros that rely on FreeBSD-specific extensions. */
+#if defined(__FreeBSD_cc_version) && __FreeBSD_cc_version >= 300001 && \
+    defined(__GNUC__)
+#define	__printf0like(fmtarg, firstvararg) \
+	    __attribute__((__format__ (__printf0__, fmtarg, firstvararg)))
+#else
+#define	__printf0like(fmtarg, firstvararg)
+#endif
+
+#if defined(__GNUC__)
+#define	__strong_reference(sym,aliassym)	\
+	extern __typeof (sym) aliassym __attribute__ ((__alias__ (#sym)))
+#ifdef __STDC__
+#define	__weak_reference(sym,alias)	\
+	__asm__(".weak " #alias);	\
+	__asm__(".equ "  #alias ", " #sym)
+#define	__warn_references(sym,msg)	\
+	__asm__(".section .gnu.warning." #sym);	\
+	__asm__(".asciz \"" msg "\"");	\
+	__asm__(".previous")
+#define	__sym_compat(sym,impl,verid)	\
+	__asm__(".symver " #impl ", " #sym "@" #verid)
+#define	__sym_default(sym,impl,verid)	\
+	__asm__(".symver " #impl ", " #sym "@@@" #verid)
+#else
+#define	__weak_reference(sym,alias)	\
+	__asm__(".weak alias");		\
+	__asm__(".equ alias, sym")
+#define	__warn_references(sym,msg)	\
+	__asm__(".section .gnu.warning.sym"); \
+	__asm__(".asciz \"msg\"");	\
+	__asm__(".previous")
+#define	__sym_compat(sym,impl,verid)	\
+	__asm__(".symver impl, sym@verid")
+#define	__sym_default(impl,sym,verid)	\
+	__asm__(".symver impl, sym@@@verid")
+#endif	/* __STDC__ */
+#endif	/* __GNUC__ */
+
+#define	__GLOBL(sym)	__asm__(".globl " __XSTRING(sym))
+#define	__WEAK(sym)	__asm__(".weak " __XSTRING(sym))
+
+#if defined(__GNUC__)
+#define	__IDSTRING(name,string)	__asm__(".ident\t\"" string "\"")
+#else
+/*
+ * The following definition might not work well if used in header files,
+ * but it should be better than nothing.  If you want a "do nothing"
+ * version, then it should generate some harmless declaration, such as:
+ *    #define	__IDSTRING(name,string)	struct __hack
+ */
+#define	__IDSTRING(name,string)	static const char name[] __unused = string
+#endif
+
+/*
+ * Embed the rcs id of a source file in the resulting library.  Note that in
+ * more recent ELF binutils, we use .ident allowing the ID to be stripped.
+ * Usage:
+ *	__FBSDID("$FreeBSD$");
+ */
+#ifndef	__FBSDID
+#if !defined(STRIP_FBSDID)
+#define	__FBSDID(s)	__IDSTRING(__CONCAT(__rcsid_,__LINE__),s)
+#else
+#define	__FBSDID(s)	struct __hack
+#endif
+#endif
+
+#ifndef	__RCSID
+#ifndef	NO__RCSID
+#define	__RCSID(s)	__IDSTRING(__CONCAT(__rcsid_,__LINE__),s)
+#else
+#define	__RCSID(s)	struct __hack
+#endif
+#endif
+
+#ifndef	__RCSID_SOURCE
+#ifndef	NO__RCSID_SOURCE
+#define	__RCSID_SOURCE(s)	__IDSTRING(__CONCAT(__rcsid_source_,__LINE__),s)
+#else
+#define	__RCSID_SOURCE(s)	struct __hack
+#endif
+#endif
+
+#ifndef	__SCCSID
+#ifndef	NO__SCCSID
+#define	__SCCSID(s)	__IDSTRING(__CONCAT(__sccsid_,__LINE__),s)
+#else
+#define	__SCCSID(s)	struct __hack
+#endif
+#endif
+
+#ifndef	__COPYRIGHT
+#ifndef	NO__COPYRIGHT
+#define	__COPYRIGHT(s)	__IDSTRING(__CONCAT(__copyright_,__LINE__),s)
+#else
+#define	__COPYRIGHT(s)	struct __hack
+#endif
+#endif
+
+#ifndef	__DECONST
+#define	__DECONST(type, var)	((type)(__uintptr_t)(const void *)(var))
+#endif
+
+#ifndef	__DEVOLATILE
+#define	__DEVOLATILE(type, var)	((type)(__uintptr_t)(volatile void *)(var))
+#endif
+
+#ifndef	__DEQUALIFY
+#define	__DEQUALIFY(type, var)	((type)(__uintptr_t)(const volatile void *)(var))
+#endif
+
+/*-
+ * The following definitions are an extension of the behavior originally
+ * implemented in <sys/_posix.h>, but with a different level of granularity.
+ * POSIX.1 requires that the macros we test be defined before any standard
+ * header file is included.
+ *
+ * Here's a quick run-down of the versions (and some informal names)
+ *  defined(_POSIX_SOURCE)		1003.1-1988
+ *					encoded as 198808 below
+ *  _POSIX_C_SOURCE == 1		1003.1-1990
+ *					encoded as 199009 below
+ *  _POSIX_C_SOURCE == 2		1003.2-1992 C Language Binding Option
+ *					encoded as 199209 below
+ *  _POSIX_C_SOURCE == 199309		1003.1b-1993
+ *					(1003.1 Issue 4, Single Unix Spec v1, Unix 93)
+ *  _POSIX_C_SOURCE == 199506		1003.1c-1995, 1003.1i-1995,
+ *					and the omnibus ISO/IEC 9945-1: 1996
+ *					(1003.1 Issue 5, Single	Unix Spec v2, Unix 95)
+ *  _POSIX_C_SOURCE == 200112		1003.1-2001 (1003.1 Issue 6, Unix 03)
+ *  _POSIX_C_SOURCE == 200809		1003.1-2008 (1003.1 Issue 7)
+ *					IEEE Std 1003.1-2017 (Rev of 1003.1-2008) is
+ *					1003.1-2008 with two TCs applied with
+ *					_POSIX_C_SOURCE=200809 and _XOPEN_SOURCE=700
+ *
+ * In addition, the X/Open Portability Guide, which is now the Single UNIX
+ * Specification, defines a feature-test macro which indicates the version of
+ * that specification, and which subsumes _POSIX_C_SOURCE.
+ *
+ * Our macros begin with two underscores to avoid namespace screwage.
+ */
+
+/* Deal with IEEE Std. 1003.1-1990, in which _POSIX_C_SOURCE == 1. */
+#if defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE == 1
+#undef _POSIX_C_SOURCE		/* Probably illegal, but beyond caring now. */
+#define	_POSIX_C_SOURCE		199009
+#endif
+
+/* Deal with IEEE Std. 1003.2-1992, in which _POSIX_C_SOURCE == 2. */
+#if defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE == 2
+#undef _POSIX_C_SOURCE
+#define	_POSIX_C_SOURCE		199209
+#endif
+
+/* Deal with various X/Open Portability Guides and Single UNIX Spec. */
+#ifdef _XOPEN_SOURCE
+#if _XOPEN_SOURCE - 0 >= 700
+#define	__XSI_VISIBLE		700
+#undef _POSIX_C_SOURCE
+#define	_POSIX_C_SOURCE		200809
+#elif _XOPEN_SOURCE - 0 >= 600
+#define	__XSI_VISIBLE		600
+#undef _POSIX_C_SOURCE
+#define	_POSIX_C_SOURCE		200112
+#elif _XOPEN_SOURCE - 0 >= 500
+#define	__XSI_VISIBLE		500
+#undef _POSIX_C_SOURCE
+#define	_POSIX_C_SOURCE		199506
+#endif
+#endif
+
+/*
+ * Deal with all versions of POSIX.  The ordering relative to the tests above is
+ * important.
+ */
+#if defined(_POSIX_SOURCE) && !defined(_POSIX_C_SOURCE)
+#define	_POSIX_C_SOURCE		198808
+#endif
+#ifdef _POSIX_C_SOURCE
+#if _POSIX_C_SOURCE >= 200809
+#define	__POSIX_VISIBLE		200809
+#define	__ISO_C_VISIBLE		1999
+#elif _POSIX_C_SOURCE >= 200112
+#define	__POSIX_VISIBLE		200112
+#define	__ISO_C_VISIBLE		1999
+#elif _POSIX_C_SOURCE >= 199506
+#define	__POSIX_VISIBLE		199506
+#define	__ISO_C_VISIBLE		1990
+#elif _POSIX_C_SOURCE >= 199309
+#define	__POSIX_VISIBLE		199309
+#define	__ISO_C_VISIBLE		1990
+#elif _POSIX_C_SOURCE >= 199209
+#define	__POSIX_VISIBLE		199209
+#define	__ISO_C_VISIBLE		1990
+#elif _POSIX_C_SOURCE >= 199009
+#define	__POSIX_VISIBLE		199009
+#define	__ISO_C_VISIBLE		1990
+#else
+#define	__POSIX_VISIBLE		198808
+#define	__ISO_C_VISIBLE		0
+#endif /* _POSIX_C_SOURCE */
+/*
+ * Both glibc and OpenBSD enable c11 features when _ISOC11_SOURCE is defined, or
+ * when compiling with -stdc=c11. A strict reading of the standard would suggest
+ * doing it only for the former. However, a strict reading also requires C99
+ * mode only, so building with C11 is already undefined. Follow glibc's and
+ * OpenBSD's lead for this non-standard configuration for maximum compatibility.
+ */
+#if _ISOC11_SOURCE || (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L)
+#undef __ISO_C_VISIBLE
+#define __ISO_C_VISIBLE		2011
+#endif
+#else
+/*-
+ * Deal with _ANSI_SOURCE:
+ * If it is defined, and no other compilation environment is explicitly
+ * requested, then define our internal feature-test macros to zero.  This
+ * makes no difference to the preprocessor (undefined symbols in preprocessing
+ * expressions are defined to have value zero), but makes it more convenient for
+ * a test program to print out the values.
+ *
+ * If a program mistakenly defines _ANSI_SOURCE and some other macro such as
+ * _POSIX_C_SOURCE, we will assume that it wants the broader compilation
+ * environment (and in fact we will never get here).
+ */
+#if defined(_ANSI_SOURCE)	/* Hide almost everything. */
+#define	__POSIX_VISIBLE		0
+#define	__XSI_VISIBLE		0
+#define	__BSD_VISIBLE		0
+#define	__ISO_C_VISIBLE		1990
+#define	__EXT1_VISIBLE		0
+#elif defined(_C99_SOURCE)	/* Localism to specify strict C99 env. */
+#define	__POSIX_VISIBLE		0
+#define	__XSI_VISIBLE		0
+#define	__BSD_VISIBLE		0
+#define	__ISO_C_VISIBLE		1999
+#define	__EXT1_VISIBLE		0
+#elif defined(_C11_SOURCE)	/* Localism to specify strict C11 env. */
+#define	__POSIX_VISIBLE		0
+#define	__XSI_VISIBLE		0
+#define	__BSD_VISIBLE		0
+#define	__ISO_C_VISIBLE		2011
+#define	__EXT1_VISIBLE		0
+#else				/* Default environment: show everything. */
+#define	__POSIX_VISIBLE		200809
+#define	__XSI_VISIBLE		700
+#define	__BSD_VISIBLE		1
+#define	__ISO_C_VISIBLE		2011
+#define	__EXT1_VISIBLE		1
+#endif
+#endif
+
+/* User override __EXT1_VISIBLE */
+#if defined(__STDC_WANT_LIB_EXT1__)
+#undef	__EXT1_VISIBLE
+#if __STDC_WANT_LIB_EXT1__
+#define	__EXT1_VISIBLE		1
+#else
+#define	__EXT1_VISIBLE		0
+#endif
+#endif /* __STDC_WANT_LIB_EXT1__ */
+
+/*
+ * Old versions of GCC use non-standard ARM arch symbols; acle-compat.h
+ * translates them to __ARM_ARCH and the modern feature symbols defined by ARM.
+ */
+#if defined(__arm__) && !defined(__ARM_ARCH)
+#include <machine/acle-compat.h>
+#endif
+
+/*
+ * Nullability qualifiers: currently only supported by Clang.
+ */
+#if !(defined(__clang__) && __has_feature(nullability))
+#define	_Nonnull
+#define	_Nullable
+#define	_Null_unspecified
+#define	__NULLABILITY_PRAGMA_PUSH
+#define	__NULLABILITY_PRAGMA_POP
+#else
+#define	__NULLABILITY_PRAGMA_PUSH _Pragma("clang diagnostic push")	\
+	_Pragma("clang diagnostic ignored \"-Wnullability-completeness\"")
+#define	__NULLABILITY_PRAGMA_POP _Pragma("clang diagnostic pop")
+#endif
+
+/*
+ * Type Safety Checking
+ *
+ * Clang provides additional attributes to enable checking type safety
+ * properties that cannot be enforced by the C type system. 
+ */
+
+#if __has_attribute(__argument_with_type_tag__) && \
+    __has_attribute(__type_tag_for_datatype__)
+#define	__arg_type_tag(arg_kind, arg_idx, type_tag_idx) \
+	    __attribute__((__argument_with_type_tag__(arg_kind, arg_idx, type_tag_idx)))
+#define	__datatype_type_tag(kind, type) \
+	    __attribute__((__type_tag_for_datatype__(kind, type)))
+#else
+#define	__arg_type_tag(arg_kind, arg_idx, type_tag_idx)
+#define	__datatype_type_tag(kind, type)
+#endif
+
+/*
+ * Lock annotations.
+ *
+ * Clang provides support for doing basic thread-safety tests at
+ * compile-time, by marking which locks will/should be held when
+ * entering/leaving a functions.
+ *
+ * Furthermore, it is also possible to annotate variables and structure
+ * members to enforce that they are only accessed when certain locks are
+ * held.
+ */
+
+#if __has_extension(c_thread_safety_attributes)
+#define	__lock_annotate(x)	__attribute__((x))
+#else
+#define	__lock_annotate(x)
+#endif
+
+/* Structure implements a lock. */
+#define	__lockable		__lock_annotate(lockable)
+
+/* Function acquires an exclusive or shared lock. */
+#define	__locks_exclusive(...) \
+	__lock_annotate(exclusive_lock_function(__VA_ARGS__))
+#define	__locks_shared(...) \
+	__lock_annotate(shared_lock_function(__VA_ARGS__))
+
+/* Function attempts to acquire an exclusive or shared lock. */
+#define	__trylocks_exclusive(...) \
+	__lock_annotate(exclusive_trylock_function(__VA_ARGS__))
+#define	__trylocks_shared(...) \
+	__lock_annotate(shared_trylock_function(__VA_ARGS__))
+
+/* Function releases a lock. */
+#define	__unlocks(...)		__lock_annotate(unlock_function(__VA_ARGS__))
+
+/* Function asserts that an exclusive or shared lock is held. */
+#define	__asserts_exclusive(...) \
+	__lock_annotate(assert_exclusive_lock(__VA_ARGS__))
+#define	__asserts_shared(...) \
+	__lock_annotate(assert_shared_lock(__VA_ARGS__))
+
+/* Function requires that an exclusive or shared lock is or is not held. */
+#define	__requires_exclusive(...) \
+	__lock_annotate(exclusive_locks_required(__VA_ARGS__))
+#define	__requires_shared(...) \
+	__lock_annotate(shared_locks_required(__VA_ARGS__))
+#define	__requires_unlocked(...) \
+	__lock_annotate(locks_excluded(__VA_ARGS__))
+
+/* Function should not be analyzed. */
+#define	__no_lock_analysis	__lock_annotate(no_thread_safety_analysis)
+
+/*
+ * Function or variable should not be sanitized, e.g., by AddressSanitizer.
+ * GCC has the nosanitize attribute, but as a function attribute only, and
+ * warns on use as a variable attribute.
+ */
+#if __has_attribute(no_sanitize) && defined(__clang__)
+#ifdef _KERNEL
+#define __nosanitizeaddress	__attribute__((no_sanitize("kernel-address")))
+#define __nosanitizememory	__attribute__((no_sanitize("kernel-memory")))
+#else
+#define __nosanitizeaddress	__attribute__((no_sanitize("address")))
+#define __nosanitizememory	__attribute__((no_sanitize("memory")))
+#endif
+#define __nosanitizethread	__attribute__((no_sanitize("thread")))
+#else
+#define __nosanitizeaddress
+#define __nosanitizememory
+#define __nosanitizethread
+#endif
+
+/* Guard variables and structure members by lock. */
+#define	__guarded_by(x)		__lock_annotate(guarded_by(x))
+#define	__pt_guarded_by(x)	__lock_annotate(pt_guarded_by(x))
+
+/* Alignment builtins for better type checking and improved code generation. */
+/* Provide fallback versions for other compilers (GCC/Clang < 10): */
+#if !__has_builtin(__builtin_is_aligned)
+#define __builtin_is_aligned(x, align)	\
+	(((__uintptr_t)x & ((align) - 1)) == 0)
+#endif
+#if !__has_builtin(__builtin_align_up)
+#define __builtin_align_up(x, align)	\
+	((__typeof__(x))(((__uintptr_t)(x)+((align)-1))&(~((align)-1))))
+#endif
+#if !__has_builtin(__builtin_align_down)
+#define __builtin_align_down(x, align)	\
+	((__typeof__(x))((x)&(~((align)-1))))
+#endif
+
+#define __align_up(x, y) __builtin_align_up(x, y)
+#define __align_down(x, y) __builtin_align_down(x, y)
+#define __is_aligned(x, y) __builtin_is_aligned(x, y)
+
+#endif /* !_SYS_CDEFS_H_ */
diff --git a/components/common/libc/include/time.h b/components/common/libc/include/time.h
new file mode 100644
index 0000000..e1eb2a5
--- /dev/null
+++ b/components/common/libc/include/time.h
@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2012-2017 Roberto E. Vargas Caballero
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+/*
+ * Portions copyright (c) 2018-2019, Arm Limited and Contributors.
+ * All rights reserved.
+ */
+
+#ifndef TIME_H
+#define TIME_H
+
+#include <stddef.h>
+
+typedef long int time_t;
+
+#endif /* TIME_H */
diff --git a/components/common/libc/src/aarch32/memset.S b/components/common/libc/src/aarch32/memset.S
new file mode 100644
index 0000000..880ba83
--- /dev/null
+++ b/components/common/libc/src/aarch32/memset.S
@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2020, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <asm_macros.S>
+
+	.syntax unified
+	.global	memset
+
+/* -----------------------------------------------------------------------
+ * void *memset(void *dst, int val, size_t count)
+ *
+ * Copy the value of 'val' (converted to an unsigned char) into
+ * each of the first 'count' characters of the object pointed to by 'dst'.
+ *
+ * Returns the value of 'dst'.
+ * -----------------------------------------------------------------------
+ */
+func memset
+	mov	r12, r0			/* keep r0 */
+	tst	r0, #3
+	beq	aligned			/* 4-bytes aligned */
+
+	/* Unaligned 'dst' */
+unaligned:
+	subs	r2, r2, #1
+	strbhs	r1, [r12], #1
+	bxls	lr			/* return if 0 */
+	tst	r12, #3
+	bne	unaligned		/* continue while unaligned */
+
+	/* 4-bytes aligned */
+aligned:bfi	r1, r1, #8, #8		/* propagate 'val' */
+	bfi	r1, r1, #16, #16
+
+	mov	r3, r1
+
+	cmp	r2, #16
+	blo	less_16			/* < 16 */
+
+	push	{r4, lr}
+	mov	r4, r1
+	mov	lr, r1
+
+write_32:
+	subs	r2, r2, #32
+	stmiahs	r12!, {r1, r3, r4, lr}
+	stmiahs	r12!, {r1, r3, r4, lr}
+	bhi	write_32		/* write 32 bytes in a loop */
+	popeq	{r4, pc}		/* return if 0 */
+	lsls	r2, r2, #28		/* C = r2[4]; N = r2[3]; Z = r2[3:0] */
+	stmiacs	r12!, {r1, r3, r4, lr}	/* write 16 bytes */
+	popeq	{r4, pc}		/* return if 16 */
+	stmiami	r12!, {r1, r3}		/* write 8 bytes */
+	lsls	r2, r2, #2		/* C = r2[2]; N = r2[1]; Z = r2[1:0] */
+	strcs	r1, [r12], #4		/* write 4 bytes */
+	popeq	{r4, pc}		/* return if 8 or 4 */
+	strhmi	r1, [r12], #2		/* write 2 bytes */
+	lsls	r2, r2, #1		/* N = Z = r2[0] */
+	strbmi	r1, [r12]		/* write 1 byte */
+	pop	{r4, pc}
+
+less_16:lsls	r2, r2, #29		/* C = r2[3]; N = r2[2]; Z = r2[2:0] */
+	stmiacs	r12!, {r1, r3}		/* write 8 bytes */
+	bxeq	lr			/* return if 8 */
+	strmi	r1, [r12], #4		/* write 4 bytes */
+	lsls	r2, r2, #2		/* C = r2[1]; N = Z = r2[0] */
+	strhcs	r1, [r12], #2		/* write 2 bytes */
+	strbmi	r1, [r12]		/* write 1 byte */
+	bx	lr
+
+endfunc memset
diff --git a/components/common/libc/src/aarch64/memset.S b/components/common/libc/src/aarch64/memset.S
new file mode 100644
index 0000000..0543704
--- /dev/null
+++ b/components/common/libc/src/aarch64/memset.S
@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2020, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <asm_macros.S>
+
+	.global	memset
+
+/* -----------------------------------------------------------------------
+ * void *memset(void *dst, int val, size_t count)
+ *
+ * Copy the value of 'val' (converted to an unsigned char) into
+ * each of the first 'count' characters of the object pointed to by 'dst'.
+ *
+ * Returns the value of 'dst'.
+ * -----------------------------------------------------------------------
+ */
+func memset
+	cbz	x2, exit		/* exit if 'count' = 0 */
+	mov	x3, x0			/* keep x0 */
+	tst	x0, #7
+	b.eq	aligned			/* 8-bytes aligned */
+
+	/* Unaligned 'dst' */
+unaligned:
+	strb	w1, [x3], #1
+	subs	x2, x2, #1
+	b.eq	exit			/* exit if 0 */
+	tst	x3, #7
+	b.ne	unaligned		/* continue while unaligned */
+
+	/* 8-bytes aligned */
+aligned:cbz	x1, x1_zero
+	bfi	w1, w1, #8, #8		/* propagate 'val' */
+	bfi	w1, w1, #16, #16
+	bfi	x1, x1, #32, #32
+
+x1_zero:ands	x4, x2, #~0x3f
+	b.eq	less_64
+
+write_64:
+	.rept	4
+	stp	x1, x1, [x3], #16	/* write 64 bytes in a loop */
+	.endr
+	subs	x4, x4, #64
+	b.ne	write_64
+less_64:tbz	w2, #5, less_32		/* < 32 bytes */
+	stp	x1, x1, [x3], #16	/* write 32 bytes */
+	stp	x1, x1, [x3], #16
+less_32:tbz	w2, #4, less_16		/* < 16 bytes */
+	stp	x1, x1, [x3], #16	/* write 16 bytes */
+less_16:tbz	w2, #3, less_8		/* < 8 bytes */
+	str	x1, [x3], #8		/* write 8 bytes */
+less_8:	tbz	w2, #2, less_4		/* < 4 bytes */
+	str	w1, [x3], #4		/* write 4 bytes */
+less_4:	tbz	w2, #1, less_2		/* < 2 bytes */
+	strh	w1, [x3], #2		/* write 2 bytes */
+less_2:	tbz	w2, #0, exit
+	strb	w1, [x3]		/* write 1 byte */
+exit:	ret
+
+endfunc	memset
diff --git a/components/common/libc/src/aarch64/setjmp.S b/components/common/libc/src/aarch64/setjmp.S
new file mode 100644
index 0000000..9cb31ea
--- /dev/null
+++ b/components/common/libc/src/aarch64/setjmp.S
@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 2018-2019, Arm Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <asm_macros.S>
+#include <assert_macros.S>
+#include <setjmp.h>
+
+	.globl	setjmp
+	.globl	longjmp
+
+/*
+ * int setjmp(jmp_buf env);
+ */
+func setjmp
+	mov	x7, sp
+
+	stp	x19, x20, [x0, #JMP_CTX_X19]
+	stp	x21, x22, [x0, #JMP_CTX_X21]
+	stp	x23, x24, [x0, #JMP_CTX_X23]
+	stp	x25, x26, [x0, #JMP_CTX_X25]
+	stp	x27, x28, [x0, #JMP_CTX_X27]
+	stp	x29, x30, [x0, #JMP_CTX_X29]
+	stp	x7, xzr, [x0, #JMP_CTX_SP]
+
+	mov	x0, #0
+	ret
+endfunc setjmp
+
+
+/*
+ * void longjmp(jmp_buf env, int val);
+ */
+func longjmp
+	ldp	x7, xzr, [x0, #JMP_CTX_SP]
+
+#if ENABLE_ASSERTIONS
+	/*
+	 * Since we're unwinding the stack, assert that the stack being reset to
+	 * is shallower.
+	 */
+	mov	x19, sp
+	cmp	x7, x19
+	ASM_ASSERT(ge)
+#endif
+
+	ldp	x19, x20, [x0, #JMP_CTX_X19]
+	ldp	x21, x22, [x0, #JMP_CTX_X21]
+	ldp	x23, x24, [x0, #JMP_CTX_X23]
+	ldp	x25, x26, [x0, #JMP_CTX_X25]
+	ldp	x27, x28, [x0, #JMP_CTX_X27]
+	ldp	x29, x30, [x0, #JMP_CTX_X29]
+
+	mov	sp, x7
+
+	ands	x0, x1, x1 /* Move val to x0 and set flags */
+	cinc	x0, x0, eq /* If val is 0, return 1 */
+	ret
+endfunc longjmp
diff --git a/components/common/libc/src/abort.c b/components/common/libc/src/abort.c
new file mode 100644
index 0000000..ac27f62
--- /dev/null
+++ b/components/common/libc/src/abort.c
@@ -0,0 +1,15 @@
+/*
+ * Copyright (c) 2013-2018, Arm Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <stdlib.h>
+
+#include <common/debug.h>
+
+void abort(void)
+{
+	ERROR("ABORT\n");
+	panic();
+}
diff --git a/components/common/libc/src/assert.c b/components/common/libc/src/assert.c
new file mode 100644
index 0000000..301d142
--- /dev/null
+++ b/components/common/libc/src/assert.c
@@ -0,0 +1,35 @@
+/*
+ * Copyright (c) 2013-2022, Arm Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+#include <cdefs.h>
+#include <stdio.h>
+
+#include <common/debug.h>
+#include <drivers/console.h>
+#include <plat/common/platform.h>
+
+/*
+ * Only print the output if PLAT_LOG_LEVEL_ASSERT is higher or equal to
+ * LOG_LEVEL_INFO, which is the default value for builds with DEBUG=1.
+ */
+
+#if PLAT_LOG_LEVEL_ASSERT >= LOG_LEVEL_INFO
+void __dead2 __assert(const char *file, unsigned int line)
+{
+	printf("ASSERT: %s:%u\n", file, line);
+	backtrace("assert");
+	console_flush();
+	plat_panic_handler();
+}
+#else
+void __dead2 __assert(void)
+{
+	backtrace("assert");
+	console_flush();
+	plat_panic_handler();
+}
+#endif
diff --git a/components/common/libc/src/exit.c b/components/common/libc/src/exit.c
new file mode 100644
index 0000000..6de2e93
--- /dev/null
+++ b/components/common/libc/src/exit.c
@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2015-2018, Arm Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <stdlib.h>
+
+static void (*exitfun)(void);
+
+void exit(int status)
+{
+	if (exitfun != NULL)
+		(*exitfun)();
+	for (;;)
+		;
+}
+
+int atexit(void (*fun)(void))
+{
+	if (exitfun != NULL)
+		return -1;
+	exitfun = fun;
+
+	return 0;
+}
diff --git a/components/common/libc/src/libc.mk b/components/common/libc/src/libc.mk
new file mode 100644
index 0000000..03e1fb3
--- /dev/null
+++ b/components/common/libc/src/libc.mk
@@ -0,0 +1,11 @@
+#
+# Copyright (c) 2016-2024, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+#
+
+include lib/libc/libc_common.mk
+
+LIBC_SRCS	+=	$(addprefix lib/libc/,		\
+			memset.c)
diff --git a/components/common/libc/src/libc_asm.mk b/components/common/libc/src/libc_asm.mk
new file mode 100644
index 0000000..6d9bb9d
--- /dev/null
+++ b/components/common/libc/src/libc_asm.mk
@@ -0,0 +1,15 @@
+#
+# Copyright (c) 2020-2024, Arm Limited. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+include lib/libc/libc_common.mk
+
+ifeq (${ARCH},aarch64)
+LIBC_SRCS	+=	$(addprefix lib/libc/aarch64/,	\
+			memset.S)
+else
+LIBC_SRCS	+=	$(addprefix lib/libc/aarch32/,	\
+			memset.S)
+endif
diff --git a/components/common/libc/src/libc_common.mk b/components/common/libc/src/libc_common.mk
new file mode 100644
index 0000000..4879818
--- /dev/null
+++ b/components/common/libc/src/libc_common.mk
@@ -0,0 +1,42 @@
+#
+# Copyright (c) 2024, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+LIBC_SRCS	:=	$(addprefix lib/libc/,		\
+			abort.c				\
+			assert.c			\
+			exit.c				\
+			memchr.c			\
+			memcmp.c			\
+			memcpy.c			\
+			memcpy_s.c			\
+			memmove.c			\
+			memrchr.c			\
+			printf.c			\
+			putchar.c			\
+			puts.c				\
+			snprintf.c			\
+			strchr.c			\
+			strcmp.c			\
+			strlcat.c			\
+			strlcpy.c			\
+			strlen.c			\
+			strncmp.c			\
+			strnlen.c			\
+			strrchr.c			\
+			strtok.c			\
+			strtoul.c			\
+			strtoll.c			\
+			strtoull.c			\
+			strtol.c)
+
+ifeq (${ARCH},aarch64)
+LIBC_SRCS	+=	$(addprefix lib/libc/aarch64/,	\
+			setjmp.S)
+endif
+
+INCLUDES	+=	-Iinclude/lib/libc		\
+			-Iinclude/lib/libc/$(ARCH)	\
+
diff --git a/components/common/libc/src/memchr.c b/components/common/libc/src/memchr.c
new file mode 100644
index 0000000..66d7ba1
--- /dev/null
+++ b/components/common/libc/src/memchr.c
@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2013-2019, Arm Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <stddef.h>
+#include <string.h>
+
+void *memchr(const void *src, int c, size_t len)
+{
+	const unsigned char *s = src;
+
+	while (len--) {
+		if (*s == (unsigned char)c)
+			return (void *) s;
+		s++;
+	}
+
+	return NULL;
+}
diff --git a/components/common/libc/src/memcmp.c b/components/common/libc/src/memcmp.c
new file mode 100644
index 0000000..db2701b
--- /dev/null
+++ b/components/common/libc/src/memcmp.c
@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2013-2019, Arm Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <stddef.h>
+#include <string.h>
+
+int memcmp(const void *s1, const void *s2, size_t len)
+{
+	const unsigned char *s = s1;
+	const unsigned char *d = s2;
+	unsigned char sc;
+	unsigned char dc;
+
+	while (len--) {
+		sc = *s++;
+		dc = *d++;
+		if (sc - dc)
+			return (sc - dc);
+	}
+
+	return 0;
+}
diff --git a/components/common/libc/src/memcpy.c b/components/common/libc/src/memcpy.c
new file mode 100644
index 0000000..af9ed45
--- /dev/null
+++ b/components/common/libc/src/memcpy.c
@@ -0,0 +1,19 @@
+/*
+ * Copyright (c) 2013-2019, Arm Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <stddef.h>
+#include <string.h>
+
+void *memcpy(void *dst, const void *src, size_t len)
+{
+	const char *s = src;
+	char *d = dst;
+
+	while (len--)
+		*d++ = *s++;
+
+	return dst;
+}
diff --git a/components/common/libc/src/memcpy_s.c b/components/common/libc/src/memcpy_s.c
new file mode 100644
index 0000000..26953bf
--- /dev/null
+++ b/components/common/libc/src/memcpy_s.c
@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2013-2023, Arm Limited and Contributors. All rights reserved.
+ * Copyright (c) 2023, Intel Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <errno.h>
+#include <stddef.h>
+#include <string.h>
+
+int memcpy_s(void *dst, size_t dsize, void *src, size_t ssize)
+{
+	unsigned int *s = (unsigned int *)src;
+	unsigned int *d = (unsigned int *)dst;
+
+	/*
+	 * Check source and destination size is NULL
+	 */
+	if ((dst == NULL) || (src == NULL)) {
+		return -ENOMEM;
+	}
+
+	/*
+	 * Check source and destination size validity
+	 */
+	if ((dsize == 0) || (ssize == 0)) {
+		return -ERANGE;
+	}
+
+	/*
+	 * Check both source and destination size range
+	 */
+	if ((ssize > dsize) || (dsize > ssize)) {
+		return -EINVAL;
+	}
+
+	/*
+	 * Check both source and destination address overlapping
+	 * When (s > d < s + ssize)
+	 * Or (d > s < d + dsize)
+	 */
+
+	if (d > s) {
+		if ((d) < (s + ssize)) {
+			return -EOPNOTSUPP;
+		}
+	}
+
+	if (s > d) {
+		if ((s) < (d + dsize)) {
+			return -EOPNOTSUPP;
+		}
+	}
+
+	/*
+	 * Start copy process when there is no error
+	 */
+	while (ssize--) {
+		d[ssize] = s[ssize];
+	}
+
+	return 0;
+}
diff --git a/components/common/libc/src/memmove.c b/components/common/libc/src/memmove.c
new file mode 100644
index 0000000..5c2b661
--- /dev/null
+++ b/components/common/libc/src/memmove.c
@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2013-2018, Arm Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <string.h>
+
+void *memmove(void *dst, const void *src, size_t len)
+{
+	/*
+	 * The following test makes use of unsigned arithmetic overflow to
+	 * more efficiently test the condition !(src <= dst && dst < str+len).
+	 * It also avoids the situation where the more explicit test would give
+	 * incorrect results were the calculation str+len to overflow (though
+	 * that issue is probably moot as such usage is probably undefined
+	 * behaviour and a bug anyway.
+	 */
+	if ((size_t)dst - (size_t)src >= len) {
+		/* destination not in source data, so can safely use memcpy */
+		return memcpy(dst, src, len);
+	} else {
+		/* copy backwards... */
+		const char *end = dst;
+		const char *s = (const char *)src + len;
+		char *d = (char *)dst + len;
+		while (d != end)
+			*--d = *--s;
+	}
+	return dst;
+}
diff --git a/components/common/libc/src/memrchr.c b/components/common/libc/src/memrchr.c
new file mode 100644
index 0000000..01caef3
--- /dev/null
+++ b/components/common/libc/src/memrchr.c
@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) 2019, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <string.h>
+
+#undef memrchr
+
+void *memrchr(const void *src, int c, size_t len)
+{
+	const unsigned char *s = src + (len - 1);
+
+	while (len--) {
+		if (*s == (unsigned char)c) {
+			return (void*) s;
+		}
+
+		s--;
+	}
+
+	return NULL;
+}
diff --git a/components/common/libc/src/memset.c b/components/common/libc/src/memset.c
new file mode 100644
index 0000000..c5bac8d
--- /dev/null
+++ b/components/common/libc/src/memset.c
@@ -0,0 +1,51 @@
+/*
+ * Copyright (c) 2013-2020, Arm Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <stddef.h>
+#include <string.h>
+#include <stdint.h>
+
+void *memset(void *dst, int val, size_t count)
+{
+	uint8_t *ptr = dst;
+	uint64_t *ptr64;
+	uint64_t fill = (unsigned char)val;
+
+	/* Simplify code below by making sure we write at least one byte. */
+	if (count == 0U) {
+		return dst;
+	}
+
+	/* Handle the first part, until the pointer becomes 64-bit aligned. */
+	while (((uintptr_t)ptr & 7U) != 0U) {
+		*ptr = (uint8_t)val;
+		ptr++;
+		if (--count == 0U) {
+			return dst;
+		}
+	}
+
+	/* Duplicate the fill byte to the rest of the 64-bit word. */
+	fill |= fill << 8;
+	fill |= fill << 16;
+	fill |= fill << 32;
+
+	/* Use 64-bit writes for as long as possible. */
+	ptr64 = (uint64_t *)ptr;
+	for (; count >= 8U; count -= 8) {
+		*ptr64 = fill;
+		ptr64++;
+	}
+
+	/* Handle the remaining part byte-per-byte. */
+	ptr = (uint8_t *)ptr64;
+	while (count-- > 0U)  {
+		*ptr = (uint8_t)val;
+		ptr++;
+	}
+
+	return dst;
+}
diff --git a/components/common/libc/src/printf.c b/components/common/libc/src/printf.c
new file mode 100644
index 0000000..a856345
--- /dev/null
+++ b/components/common/libc/src/printf.c
@@ -0,0 +1,241 @@
+/*
+ * Copyright (c) 2014-2023, Arm Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <stdio.h>
+
+#define get_num_va_args(_args, _lcount)				\
+	(((_lcount) > 1)  ? va_arg(_args, long long int) :	\
+	(((_lcount) == 1) ? va_arg(_args, long int) :		\
+			    va_arg(_args, int)))
+
+#define get_unum_va_args(_args, _lcount)				\
+	(((_lcount) > 1)  ? va_arg(_args, unsigned long long int) :	\
+	(((_lcount) == 1) ? va_arg(_args, unsigned long int) :		\
+			    va_arg(_args, unsigned int)))
+
+static int string_print(const char *str)
+{
+	int count = 0;
+
+	assert(str != NULL);
+
+	for ( ; *str != '\0'; str++) {
+		(void)putchar(*str);
+		count++;
+	}
+
+	return count;
+}
+
+static int unsigned_num_print(unsigned long long int unum, unsigned int radix,
+			      char padc, int padn, bool uppercase)
+{
+	/* Just need enough space to store 64 bit decimal integer */
+	char num_buf[20];
+	int i = 0, count = 0;
+	unsigned int rem;
+
+	/* num_buf is only large enough for radix >= 10 */
+	if (radix < 10) {
+		assert(0);
+		return 0;
+	}
+
+	do {
+		rem = unum % radix;
+		if (rem < 0xa) {
+			num_buf[i] = '0' + rem;
+		} else if (uppercase) {
+			num_buf[i] = 'A' + (rem - 0xa);
+		} else {
+			num_buf[i] = 'a' + (rem - 0xa);
+		}
+		i++;
+		unum /= radix;
+	} while (unum > 0U);
+
+	if (padn > 0) {
+		while (i < padn) {
+			(void)putchar(padc);
+			count++;
+			padn--;
+		}
+	}
+
+	while (--i >= 0) {
+		(void)putchar(num_buf[i]);
+		count++;
+	}
+
+	return count;
+}
+
+/*******************************************************************
+ * Reduced format print for Trusted firmware.
+ * The following type specifiers are supported by this print
+ * %x - hexadecimal format
+ * %s - string format
+ * %d or %i - signed decimal format
+ * %c - character format
+ * %u - unsigned decimal format
+ * %p - pointer format
+ *
+ * The following length specifiers are supported by this print
+ * %l - long int (64-bit on AArch64)
+ * %ll - long long int (64-bit on AArch64)
+ * %z - size_t sized integer formats (64 bit on AArch64)
+ *
+ * The following padding specifiers are supported by this print
+ * %0NN - Left-pad the number with 0s (NN is a decimal number)
+ * %NN - Left-pad the number with spaces (NN is a decimal number)
+ *
+ * The print exits on all other formats specifiers other than valid
+ * combinations of the above specifiers.
+ *******************************************************************/
+int vprintf(const char *fmt, va_list args)
+{
+	int l_count;
+	long long int num;
+	unsigned long long int unum;
+	char *str;
+	char padc = '\0'; /* Padding character */
+	int padn; /* Number of characters to pad */
+	int count = 0; /* Number of printed characters */
+	bool uppercase; /* Print characters in uppercase */
+
+	while (*fmt != '\0') {
+		uppercase = false;
+		l_count = 0;
+		padn = 0;
+
+		if (*fmt == '%') {
+			fmt++;
+			/* Check the format specifier */
+loop:
+			switch (*fmt) {
+			case '%':
+				(void)putchar('%');
+				break;
+			case 'i': /* Fall through to next one */
+			case 'd':
+				num = get_num_va_args(args, l_count);
+				if (num < 0) {
+					(void)putchar('-');
+					unum = (unsigned long long int)-num;
+					padn--;
+				} else
+					unum = (unsigned long long int)num;
+
+				count += unsigned_num_print(unum, 10,
+							    padc, padn, uppercase);
+				break;
+			case 'c':
+				(void)putchar(va_arg(args, int));
+				count++;
+				break;
+			case 's':
+				str = va_arg(args, char *);
+				count += string_print(str);
+				break;
+			case 'p':
+				unum = (uintptr_t)va_arg(args, void *);
+				if (unum > 0U) {
+					count += string_print("0x");
+					padn -= 2;
+				}
+
+				count += unsigned_num_print(unum, 16,
+							    padc, padn, uppercase);
+				break;
+			case 'X':
+				uppercase = true;
+				// fall through
+			case 'x':
+				unum = get_unum_va_args(args, l_count);
+				count += unsigned_num_print(unum, 16,
+							    padc, padn, uppercase);
+				break;
+			case 'z':
+				if (sizeof(size_t) == 8U)
+					l_count = 2;
+
+				fmt++;
+				goto loop;
+			case 'l':
+				l_count++;
+				fmt++;
+				goto loop;
+			case 'u':
+				unum = get_unum_va_args(args, l_count);
+				count += unsigned_num_print(unum, 10,
+							    padc, padn, uppercase);
+				break;
+			case '0':
+				padc = '0';
+				padn = 0;
+				fmt++;
+
+				for (;;) {
+					char ch = *fmt;
+					if ((ch < '0') || (ch > '9')) {
+						goto loop;
+					}
+					padn = (padn * 10) + (ch - '0');
+					fmt++;
+				}
+				assert(0); /* Unreachable */
+			case '1':
+			case '2':
+			case '3':
+			case '4':
+			case '5':
+			case '6':
+			case '7':
+			case '8':
+			case '9':
+				padc = ' ';
+				padn = 0;
+
+				for (;;) {
+					char ch = *fmt;
+					if ((ch < '0') || (ch > '9')) {
+						goto loop;
+					}
+					padn = (padn * 10) + (ch - '0');
+					fmt++;
+				}
+				assert(0); /* Unreachable */
+			default:
+				/* Exit on any other format specifier */
+				return -1;
+			}
+			fmt++;
+			continue;
+		}
+		(void)putchar(*fmt);
+		fmt++;
+		count++;
+	}
+
+	return count;
+}
+
+int printf(const char *fmt, ...)
+{
+	int count;
+	va_list va;
+
+	va_start(va, fmt);
+	count = vprintf(fmt, va);
+	va_end(va);
+
+	return count;
+}
diff --git a/components/common/libc/src/putchar.c b/components/common/libc/src/putchar.c
new file mode 100644
index 0000000..1f919d1
--- /dev/null
+++ b/components/common/libc/src/putchar.c
@@ -0,0 +1,13 @@
+/*
+ * Copyright (c) 2013-2023, Arm Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <stdio.h>
+
+#pragma weak putchar
+int putchar(int c)
+{
+	return c;
+}
diff --git a/components/common/libc/src/puts.c b/components/common/libc/src/puts.c
new file mode 100644
index 0000000..f57fc98
--- /dev/null
+++ b/components/common/libc/src/puts.c
@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) 2013-2018, Arm Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <stdio.h>
+
+int puts(const char *s)
+{
+	int count = 0;
+
+	while (*s != '\0') {
+		if (putchar(*s) == EOF)
+			return EOF;
+		s++;
+		count++;
+	}
+
+	if (putchar('\n') == EOF)
+		return EOF;
+
+	return count + 1;
+}
diff --git a/components/common/libc/src/snprintf.c b/components/common/libc/src/snprintf.c
new file mode 100644
index 0000000..21d3416
--- /dev/null
+++ b/components/common/libc/src/snprintf.c
@@ -0,0 +1,275 @@
+/*
+ * Copyright (c) 2017-2023, Arm Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+
+#define get_num_va_args(_args, _lcount)				\
+	(((_lcount) > 1)  ? va_arg(_args, long long int) :	\
+	(((_lcount) == 1) ? va_arg(_args, long int) :		\
+			    va_arg(_args, int)))
+
+#define get_unum_va_args(_args, _lcount)				\
+	(((_lcount) > 1)  ? va_arg(_args, unsigned long long int) :	\
+	(((_lcount) == 1) ? va_arg(_args, unsigned long int) :		\
+			    va_arg(_args, unsigned int)))
+
+#define CHECK_AND_PUT_CHAR(buf, size, chars_printed, ch)	\
+	do {						\
+		if ((chars_printed) < (size)) {		\
+			*(buf) = (ch);			\
+			(buf)++;			\
+		}					\
+		(chars_printed)++;			\
+	} while (false)
+
+static void string_print(char **s, size_t n, size_t *chars_printed,
+			 const char *str)
+{
+	while (*str != '\0') {
+		CHECK_AND_PUT_CHAR(*s, n, *chars_printed, *str);
+		str++;
+	}
+}
+
+static void unsigned_num_print(char **s, size_t n, size_t *chars_printed,
+			      unsigned long long int unum,
+			      unsigned int radix, char padc, int padn,
+			      bool capitalise)
+{
+	/* Just need enough space to store 64 bit decimal integer */
+	char num_buf[20];
+	int i = 0;
+	int width;
+	unsigned int rem;
+	char ascii_a = capitalise ? 'A' : 'a';
+
+	/* num_buf is only large enough for radix >= 10 */
+	if (radix < 10) {
+		assert(0);
+		return;
+	}
+
+	do {
+		rem = unum % radix;
+		if (rem < 10U) {
+			num_buf[i] = '0' + rem;
+		} else {
+			num_buf[i] = ascii_a + (rem - 10U);
+		}
+		i++;
+		unum /= radix;
+	} while (unum > 0U);
+
+	width = i;
+	for (i = padn - width; i > 0; i--) {
+		CHECK_AND_PUT_CHAR(*s, n, *chars_printed, padc);
+	}
+	for (i = width; i > 0; i--) {
+		CHECK_AND_PUT_CHAR(*s, n, *chars_printed, num_buf[i - 1]);
+	}
+	for (i = width + padn; i < 0; i++) {
+		CHECK_AND_PUT_CHAR(*s, n, *chars_printed, padc);
+	}
+}
+
+/*******************************************************************
+ * Reduced vsnprintf to be used for Trusted firmware.
+ * The following type specifiers are supported:
+ *
+ * %x (or %X) - hexadecimal format
+ * %d or %i - signed decimal format
+ * %c - character format
+ * %s - string format
+ * %u - unsigned decimal format
+ * %p - pointer format
+ *
+ * The following length specifiers are supported by this print
+ * %l - long int
+ * %ll - long long int
+ * %z - size_t sized integer formats
+ *
+ * The following padding specifiers are supported by this print
+ * %0NN - Left-pad the number with 0s (NN is a decimal number)
+ * %NN - Left-pad the number or string with spaces (NN is a decimal number)
+ * %-NN - Right-pad the number or string with spaces (NN is a decimal number)
+ *
+ * The function panics on all other formats specifiers.
+ *
+ * It returns the number of characters that would be written if the
+ * buffer was big enough. If it returns a value lower than n, the
+ * whole string has been written.
+ *******************************************************************/
+int vsnprintf(char *s, size_t n, const char *fmt, va_list args)
+{
+	int num;
+	unsigned long long int unum;
+	char *str;
+	char padc;		/* Padding character */
+	int padn;		/* Number of characters to pad */
+	bool left;
+	bool capitalise;
+	size_t chars_printed = 0U;
+	unsigned int l_count;
+
+	if (n == 0U) {
+		/* There isn't space for anything. */
+	} else if (n == 1U) {
+		/* Buffer is too small to actually write anything else. */
+		*s = '\0';
+		n = 0U;
+	} else {
+		/* Reserve space for the terminator character. */
+		n--;
+	}
+
+	while (*fmt != '\0') {
+		left = false;
+		padc ='\0';
+		padn = 0;
+		capitalise = false;
+		l_count = 0;
+
+		if (*fmt == '%') {
+			fmt++;
+			/* Check the format specifier. */
+loop:
+			switch (*fmt) {
+			case '%':
+				CHECK_AND_PUT_CHAR(s, n, chars_printed, '%');
+				break;
+			case '0':
+			case '1':
+			case '2':
+			case '3':
+			case '4':
+			case '5':
+			case '6':
+			case '7':
+			case '8':
+			case '9':
+				padc = (*fmt == '0') ? '0' : ' ';
+				for (padn = 0; *fmt >= '0' && *fmt <= '9'; fmt++) {
+					padn = (padn * 10) + (*fmt - '0');
+				}
+				if (left) {
+					padn = -padn;
+				}
+				goto loop;
+			case '-':
+				left = true;
+				fmt++;
+				goto loop;
+
+			case 'i':
+			case 'd':
+				num = get_num_va_args(args, l_count);
+
+				if (num < 0) {
+					CHECK_AND_PUT_CHAR(s, n, chars_printed,
+						'-');
+					unum = (unsigned int)-num;
+				} else {
+					unum = (unsigned int)num;
+				}
+
+				unsigned_num_print(&s, n, &chars_printed,
+						   unum, 10, padc, padn, false);
+				break;
+			case 'c':
+				CHECK_AND_PUT_CHAR(s, n, chars_printed, va_arg(args, int));
+				break;
+			case 's':
+				str = va_arg(args, char *);
+				string_print(&s, n, &chars_printed, str);
+				break;
+			case 'u':
+				unum = get_unum_va_args(args, l_count);
+				unsigned_num_print(&s, n, &chars_printed,
+						   unum, 10, padc, padn, false);
+				break;
+			case 'z':
+				l_count = 1;
+				fmt++;
+				goto loop;
+			case 'l':
+				l_count++;
+				fmt++;
+				goto loop;
+			case 'p':
+				unum = (uintptr_t)va_arg(args, void *);
+				if (unum > 0U) {
+					string_print(&s, n, &chars_printed, "0x");
+					padn -= 2;
+				}
+				unsigned_num_print(&s, n, &chars_printed,
+						   unum, 16, padc, padn, false);
+				break;
+			case 'X':
+				capitalise = true;
+				/* fallthrough */
+			case 'x':
+				unum = get_unum_va_args(args, l_count);
+				unsigned_num_print(&s, n, &chars_printed,
+						   unum, 16, padc, padn,
+						   capitalise);
+				break;
+
+			default:
+				CHECK_AND_PUT_CHAR(s, n, chars_printed, '%');
+				CHECK_AND_PUT_CHAR(s, n, chars_printed, *fmt);
+			}
+			fmt++;
+			continue;
+		}
+
+		CHECK_AND_PUT_CHAR(s, n, chars_printed, *fmt);
+
+		fmt++;
+	}
+
+	if (n > 0U) {
+		*s = '\0';
+	}
+
+	return (int)chars_printed;
+}
+
+/*******************************************************************
+ * Reduced snprintf to be used for Trusted firmware.
+ * The following type specifiers are supported:
+ *
+ * %x (or %X) - hexadecimal format
+ * %d or %i - signed decimal format
+ * %s - string format
+ * %u - unsigned decimal format
+ * %p - pointer format
+ *
+ * The following padding specifiers are supported by this print
+ * %0NN - Left-pad the number with 0s (NN is a decimal number)
+ * %NN - Left-pad the number or string with spaces (NN is a decimal number)
+ * %-NN - Right-pad the number or string with spaces (NN is a decimal number)
+ *
+ * The function panics on all other formats specifiers.
+ *
+ * It returns the number of characters that would be written if the
+ * buffer was big enough. If it returns a value lower than n, the
+ * whole string has been written.
+ *******************************************************************/
+int snprintf(char *s, size_t n, const char *fmt, ...)
+{
+	int count;
+	va_list all_args;
+
+	va_start(all_args, fmt);
+	count = vsnprintf(s, n, fmt, all_args);
+	va_end(all_args);
+
+	return count;
+}
diff --git a/components/common/libc/src/strchr.c b/components/common/libc/src/strchr.c
new file mode 100644
index 0000000..1cd03ca
--- /dev/null
+++ b/components/common/libc/src/strchr.c
@@ -0,0 +1,53 @@
+/*-
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * Portions copyright (c) 2018, Arm Limited and Contributors.
+ * All rights reserved.
+ */
+
+#include <stddef.h>
+#include <string.h>
+
+char *
+strchr(const char *p, int ch)
+{
+	char c;
+
+	c = ch;
+	for (;; ++p) {
+		if (*p == c)
+			return ((char *)p);
+		if (*p == '\0')
+			return (NULL);
+	}
+	/* NOTREACHED */
+}
diff --git a/components/common/libc/src/strcmp.c b/components/common/libc/src/strcmp.c
new file mode 100644
index 0000000..290db4c
--- /dev/null
+++ b/components/common/libc/src/strcmp.c
@@ -0,0 +1,52 @@
+/*-
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Chris Torek.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * Portions copyright (c) 2018, Arm Limited and Contributors.
+ * All rights reserved.
+ */
+
+#include <string.h>
+
+/*
+ * Compare strings.
+ */
+int
+strcmp(const char *s1, const char *s2)
+{
+	while (*s1 == *s2++)
+		if (*s1++ == '\0')
+			return (0);
+	return (*(const unsigned char *)s1 - *(const unsigned char *)(s2 - 1));
+}
diff --git a/components/common/libc/src/strcpy.c b/components/common/libc/src/strcpy.c
new file mode 100644
index 0000000..3ce5ec5
--- /dev/null
+++ b/components/common/libc/src/strcpy.c
@@ -0,0 +1,37 @@
+/*	$OpenBSD: strcpy.c,v 1.8 2005/08/08 08:05:37 espie Exp $	*/
+/*
+ * Copyright (c) 1988 Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+#include <string.h>
+char *
+strcpy(char *to, const char *from)
+{
+	char *save = to;
+	for (; (*to = *from) != '\0'; ++from, ++to);
+	return(save);
+}
diff --git a/components/common/libc/src/strlcat.c b/components/common/libc/src/strlcat.c
new file mode 100644
index 0000000..e60c863
--- /dev/null
+++ b/components/common/libc/src/strlcat.c
@@ -0,0 +1,56 @@
+/*	$OpenBSD: strlcat.c,v 1.15 2015/03/02 21:41:08 millert Exp $	*/
+
+/*
+ * SPDX-License-Identifier: ISC
+ *
+ * Copyright (c) 1998, 2015 Todd C. Miller <Todd.Miller@courtesan.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <string.h>
+
+/*
+ * Appends src to string dst of size dsize (unlike strncat, dsize is the
+ * full size of dst, not space left).  At most dsize-1 characters
+ * will be copied.  Always NUL terminates (unless dsize <= strlen(dst)).
+ * Returns strlen(src) + MIN(dsize, strlen(initial dst)).
+ * If retval >= dsize, truncation occurred.
+ */
+size_t
+strlcat(char * dst, const char * src, size_t dsize)
+{
+	const char *odst = dst;
+	const char *osrc = src;
+	size_t n = dsize;
+	size_t dlen;
+
+	/* Find the end of dst and adjust bytes left but don't go past end. */
+	while (n-- != 0 && *dst != '\0')
+		dst++;
+	dlen = dst - odst;
+	n = dsize - dlen;
+
+	if (n-- == 0)
+		return(dlen + strlen(src));
+	while (*src != '\0') {
+		if (n != 0) {
+			*dst++ = *src;
+			n--;
+		}
+		src++;
+	}
+	*dst = '\0';
+
+	return(dlen + (src - osrc));	/* count does not include NUL */
+}
diff --git a/components/common/libc/src/strlcpy.c b/components/common/libc/src/strlcpy.c
new file mode 100644
index 0000000..c4f39bb
--- /dev/null
+++ b/components/common/libc/src/strlcpy.c
@@ -0,0 +1,52 @@
+/*	$OpenBSD: strlcpy.c,v 1.12 2015/01/15 03:54:12 millert Exp $	*/
+
+/*
+ * SPDX-License-Identifier: ISC
+ *
+ * Copyright (c) 1998, 2015 Todd C. Miller <Todd.Miller@courtesan.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <stdint.h>
+#include <string.h>
+
+/*
+ * Copy string src to buffer dst of size dsize.  At most dsize-1
+ * chars will be copied.  Always NUL terminates (unless dsize == 0).
+ * Returns strlen(src); if retval >= dsize, truncation occurred.
+ */
+size_t
+strlcpy(char * dst, const char * src, size_t dsize)
+{
+	const char *osrc = src;
+	size_t nleft = dsize;
+
+	/* Copy as many bytes as will fit. */
+	if (nleft != 0) {
+		while (--nleft != 0) {
+			if ((*dst++ = *src++) == '\0')
+				break;
+		}
+	}
+
+	/* Not enough room in dst, add NUL and traverse rest of src. */
+	if (nleft == 0) {
+		if (dsize != 0)
+			*dst = '\0';		/* NUL-terminate dst */
+		while (*src++)
+			;
+	}
+
+	return(src - osrc - 1);	/* count does not include NUL */
+}
diff --git a/components/common/libc/src/strlen.c b/components/common/libc/src/strlen.c
new file mode 100644
index 0000000..e4b79d9
--- /dev/null
+++ b/components/common/libc/src/strlen.c
@@ -0,0 +1,17 @@
+/*
+ * Copyright (c) 2018, Arm Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <string.h>
+
+size_t strlen(const char *s)
+{
+	const char *cursor = s;
+
+	while (*cursor)
+		cursor++;
+
+	return cursor - s;
+}
diff --git a/components/common/libc/src/strncmp.c b/components/common/libc/src/strncmp.c
new file mode 100644
index 0000000..f0bbadc
--- /dev/null
+++ b/components/common/libc/src/strncmp.c
@@ -0,0 +1,53 @@
+/*-
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * Portions copyright (c) 2018, Arm Limited and Contributors.
+ * All rights reserved.
+ */
+
+#include <string.h>
+
+int
+strncmp(const char *s1, const char *s2, size_t n)
+{
+
+	if (n == 0)
+		return (0);
+	do {
+		if (*s1 != *s2++)
+			return (*(const unsigned char *)s1 -
+				*(const unsigned char *)(s2 - 1));
+		if (*s1++ == '\0')
+			break;
+	} while (--n != 0);
+	return (0);
+}
diff --git a/components/common/libc/src/strnlen.c b/components/common/libc/src/strnlen.c
new file mode 100644
index 0000000..49e9f7a
--- /dev/null
+++ b/components/common/libc/src/strnlen.c
@@ -0,0 +1,46 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
+ * Copyright (c) 2009 David Schultz <das@FreeBSD.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * Portions copyright (c) 2018, Arm Limited and Contributors.
+ * All rights reserved.
+ */
+
+#include <string.h>
+
+size_t
+strnlen(const char *s, size_t maxlen)
+{
+	size_t len;
+
+	for (len = 0; len < maxlen; len++, s++) {
+		if (!*s)
+			break;
+	}
+	return (len);
+}
diff --git a/components/common/libc/src/strrchr.c b/components/common/libc/src/strrchr.c
new file mode 100644
index 0000000..cd435ff
--- /dev/null
+++ b/components/common/libc/src/strrchr.c
@@ -0,0 +1,49 @@
+/*-
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (c) 1988, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <stddef.h>
+#include <string.h>
+
+char *
+strrchr(const char *p, int ch)
+{
+	char *save;
+	char c;
+
+	c = ch;
+	for (save = NULL;; ++p) {
+		if (*p == c)
+			save = (char *)p;
+		if (*p == '\0')
+			return (save);
+	}
+	/* NOTREACHED */
+}
diff --git a/components/common/libc/src/strtok.c b/components/common/libc/src/strtok.c
new file mode 100644
index 0000000..7e1a4d2
--- /dev/null
+++ b/components/common/libc/src/strtok.c
@@ -0,0 +1,83 @@
+/*-
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (c) 1998 Softweyr LLC.  All rights reserved.
+ *
+ * strtok_r, from Berkeley strtok
+ * Oct 13, 1998 by Wes Peters <wes@softweyr.com>
+ *
+ * Copyright (c) 1988, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notices, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notices, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY SOFTWEYR LLC, THE REGENTS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL SOFTWEYR LLC, THE
+ * REGENTS, OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+ * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <string.h>
+
+char *
+strtok_r(char *s, const char *delim, char **last)
+{
+	char *spanp, *tok;
+	int c, sc;
+
+	if (s == NULL && (s = *last) == NULL)
+		return (NULL);
+
+	/*
+	 * Skip (span) leading delimiters (s += strspn(s, delim), sort of).
+	 */
+cont:
+	c = *s++;
+	for (spanp = (char *)delim; (sc = *spanp++) != 0;) {
+		if (c == sc)
+			goto cont;
+	}
+
+	if (c == 0) {		/* no non-delimiter characters */
+		*last = NULL;
+		return (NULL);
+	}
+	tok = s - 1;
+
+	/*
+	 * Scan token (scan for delimiters: s += strcspn(s, delim), sort of).
+	 * Note that delim must have one NUL; we stop if we see that, too.
+	 */
+	for (;;) {
+		c = *s++;
+		spanp = (char *)delim;
+		do {
+			if ((sc = *spanp++) == c) {
+				if (c == 0)
+					s = NULL;
+				else
+					s[-1] = '\0';
+				*last = s;
+				return (tok);
+			}
+		} while (sc != 0);
+	}
+	/* NOTREACHED */
+}
diff --git a/components/common/libc/src/strtol.c b/components/common/libc/src/strtol.c
new file mode 100644
index 0000000..deb862c
--- /dev/null
+++ b/components/common/libc/src/strtol.c
@@ -0,0 +1,133 @@
+/*-
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Copyright (c) 2011 The FreeBSD Foundation
+ * All rights reserved.
+ * Portions of this software were developed by David Chisnall
+ * under sponsorship from the FreeBSD Foundation.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <errno.h>
+#include <limits.h>
+#include <stddef.h>
+#include <stdlib.h>
+
+/*
+ * Convert a string to a long integer.
+ *
+ * Assumes that the upper and lower case
+ * alphabets and digits are each contiguous.
+ */
+long strtol(const char *nptr, char **endptr, int base)
+{
+	const char *s;
+	unsigned long acc;
+	char c;
+	unsigned long cutoff;
+	int neg, any, cutlim;
+
+	/*
+	 * Skip white space and pick up leading +/- sign if any.
+	 * If base is 0, allow 0x for hex and 0 for octal, else
+	 * assume decimal; if base is already 16, allow 0x.
+	 */
+	s = nptr;
+	do {
+		c = *s++;
+	} while (isspace((unsigned char)c));
+	if (c == '-') {
+		neg = 1;
+		c = *s++;
+	} else {
+		neg = 0;
+		if (c == '+')
+			c = *s++;
+	}
+	if ((base == 0 || base == 16) &&
+	    c == '0' && (*s == 'x' || *s == 'X') &&
+	    ((s[1] >= '0' && s[1] <= '9') ||
+	    (s[1] >= 'A' && s[1] <= 'F') ||
+	    (s[1] >= 'a' && s[1] <= 'f'))) {
+		c = s[1];
+		s += 2;
+		base = 16;
+	}
+	if (base == 0)
+		base = c == '0' ? 8 : 10;
+	acc = any = 0;
+
+	/*
+	 * Compute the cutoff value between legal numbers and illegal
+	 * numbers.  That is the largest legal value, divided by the
+	 * base.  An input number that is greater than this value, if
+	 * followed by a legal input character, is too big.  One that
+	 * is equal to this value may be valid or not; the limit
+	 * between valid and invalid numbers is then based on the last
+	 * digit.  For instance, if the range for longs is
+	 * [-2147483648..2147483647] and the input base is 10,
+	 * cutoff will be set to 214748364 and cutlim to either
+	 * 7 (neg==0) or 8 (neg==1), meaning that if we have accumulated
+	 * a value > 214748364, or equal but the next digit is > 7 (or 8),
+	 * the number is too big, and we will return a range error.
+	 *
+	 * Set 'any' if any `digits' consumed; make it negative to indicate
+	 * overflow.
+	 */
+	cutoff = neg ? (unsigned long)-(LONG_MIN + LONG_MAX) + LONG_MAX
+	    : LONG_MAX;
+	cutlim = cutoff % base;
+	cutoff /= base;
+	for ( ; ; c = *s++) {
+		if (c >= '0' && c <= '9')
+			c -= '0';
+		else if (c >= 'A' && c <= 'Z')
+			c -= 'A' - 10;
+		else if (c >= 'a' && c <= 'z')
+			c -= 'a' - 10;
+		else
+			break;
+		if (c >= base)
+			break;
+		if (any < 0 || acc > cutoff || (acc == cutoff && c > cutlim))
+			any = -1;
+		else {
+			any = 1;
+			acc *= base;
+			acc += c;
+		}
+	}
+	if (any < 0) {
+		acc = neg ? LONG_MIN : LONG_MAX;
+	} else if (neg)
+		acc = -acc;
+	if (endptr != NULL)
+		*endptr = (char *)(any ? s - 1 : nptr);
+	return (acc);
+}
diff --git a/components/common/libc/src/strtoll.c b/components/common/libc/src/strtoll.c
new file mode 100644
index 0000000..4e101e8
--- /dev/null
+++ b/components/common/libc/src/strtoll.c
@@ -0,0 +1,134 @@
+/*-
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (c) 1992, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Copyright (c) 2011 The FreeBSD Foundation
+ * All rights reserved.
+ * Portions of this software were developed by David Chisnall
+ * under sponsorship from the FreeBSD Foundation.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <errno.h>
+#include <limits.h>
+#include <stddef.h>
+#include <stdlib.h>
+
+/*
+ * Convert a string to a long long integer.
+ *
+ * Assumes that the upper and lower case
+ * alphabets and digits are each contiguous.
+ */
+long long strtoll(const char *nptr, char **endptr, int base)
+{
+	const char *s;
+	unsigned long long acc;
+	char c;
+	unsigned long long cutoff;
+	int neg, any, cutlim;
+
+	/*
+	 * Skip white space and pick up leading +/- sign if any.
+	 * If base is 0, allow 0x for hex and 0 for octal, else
+	 * assume decimal; if base is already 16, allow 0x.
+	 */
+	s = nptr;
+	do {
+		c = *s++;
+	} while (isspace((unsigned char)c));
+	if (c == '-') {
+		neg = 1;
+		c = *s++;
+	} else {
+		neg = 0;
+		if (c == '+')
+			c = *s++;
+	}
+	if ((base == 0 || base == 16) &&
+	    c == '0' && (*s == 'x' || *s == 'X') &&
+	    ((s[1] >= '0' && s[1] <= '9') ||
+	    (s[1] >= 'A' && s[1] <= 'F') ||
+	    (s[1] >= 'a' && s[1] <= 'f'))) {
+		c = s[1];
+		s += 2;
+		base = 16;
+	}
+	if (base == 0)
+		base = c == '0' ? 8 : 10;
+	acc = any = 0;
+
+	/*
+	 * Compute the cutoff value between legal numbers and illegal
+	 * numbers.  That is the largest legal value, divided by the
+	 * base.  An input number that is greater than this value, if
+	 * followed by a legal input character, is too big.  One that
+	 * is equal to this value may be valid or not; the limit
+	 * between valid and invalid numbers is then based on the last
+	 * digit.  For instance, if the range for quads is
+	 * [-9223372036854775808..9223372036854775807] and the input base
+	 * is 10, cutoff will be set to 922337203685477580 and cutlim to
+	 * either 7 (neg==0) or 8 (neg==1), meaning that if we have
+	 * accumulated a value > 922337203685477580, or equal but the
+	 * next digit is > 7 (or 8), the number is too big, and we will
+	 * return a range error.
+	 *
+	 * Set 'any' if any `digits' consumed; make it negative to indicate
+	 * overflow.
+	 */
+	cutoff = neg ? (unsigned long long)-(LLONG_MIN + LLONG_MAX) + LLONG_MAX
+	    : LLONG_MAX;
+	cutlim = cutoff % base;
+	cutoff /= base;
+	for ( ; ; c = *s++) {
+		if (c >= '0' && c <= '9')
+			c -= '0';
+		else if (c >= 'A' && c <= 'Z')
+			c -= 'A' - 10;
+		else if (c >= 'a' && c <= 'z')
+			c -= 'a' - 10;
+		else
+			break;
+		if (c >= base)
+			break;
+		if (any < 0 || acc > cutoff || (acc == cutoff && c > cutlim))
+			any = -1;
+		else {
+			any = 1;
+			acc *= base;
+			acc += c;
+		}
+	}
+	if (any < 0) {
+		acc = neg ? LLONG_MIN : LLONG_MAX;
+	} else if (neg)
+		acc = -acc;
+	if (endptr != NULL)
+		*endptr = (char *)(any ? s - 1 : nptr);
+	return (acc);
+}
diff --git a/components/common/libc/src/strtoul.c b/components/common/libc/src/strtoul.c
new file mode 100644
index 0000000..b42fb14
--- /dev/null
+++ b/components/common/libc/src/strtoul.c
@@ -0,0 +1,112 @@
+/*-
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Copyright (c) 2011 The FreeBSD Foundation
+ * All rights reserved.
+ * Portions of this software were developed by David Chisnall
+ * under sponsorship from the FreeBSD Foundation.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <errno.h>
+#include <limits.h>
+#include <stddef.h>
+#include <stdlib.h>
+
+/*
+ * Convert a string to an unsigned long integer.
+ *
+ * Assumes that the upper and lower case
+ * alphabets and digits are each contiguous.
+ */
+unsigned long strtoul(const char *nptr, char **endptr, int base)
+{
+	const char *s;
+	unsigned long acc;
+	char c;
+	unsigned long cutoff;
+	int neg, any, cutlim;
+
+	/*
+	 * See strtol for comments as to the logic used.
+	 */
+	s = nptr;
+	do {
+		c = *s++;
+	} while (isspace((unsigned char)c));
+	if (c == '-') {
+		neg = 1;
+		c = *s++;
+	} else {
+		neg = 0;
+		if (c == '+')
+			c = *s++;
+	}
+	if ((base == 0 || base == 16) &&
+	    c == '0' && (*s == 'x' || *s == 'X') &&
+	    ((s[1] >= '0' && s[1] <= '9') ||
+	    (s[1] >= 'A' && s[1] <= 'F') ||
+	    (s[1] >= 'a' && s[1] <= 'f'))) {
+		c = s[1];
+		s += 2;
+		base = 16;
+	}
+	if (base == 0)
+		base = c == '0' ? 8 : 10;
+	acc = any = 0;
+
+	cutoff = ULONG_MAX / base;
+	cutlim = ULONG_MAX % base;
+	for ( ; ; c = *s++) {
+		if (c >= '0' && c <= '9')
+			c -= '0';
+		else if (c >= 'A' && c <= 'Z')
+			c -= 'A' - 10;
+		else if (c >= 'a' && c <= 'z')
+			c -= 'a' - 10;
+		else
+			break;
+		if (c >= base)
+			break;
+		if (any < 0 || acc > cutoff || (acc == cutoff && c > cutlim))
+			any = -1;
+		else {
+			any = 1;
+			acc *= base;
+			acc += c;
+		}
+	}
+	if (any < 0) {
+		acc = ULONG_MAX;
+	} else if (neg)
+		acc = -acc;
+	if (endptr != NULL)
+		*endptr = (char *)(any ? s - 1 : nptr);
+	return (acc);
+}
diff --git a/components/common/libc/src/strtoull.c b/components/common/libc/src/strtoull.c
new file mode 100644
index 0000000..2e65a43
--- /dev/null
+++ b/components/common/libc/src/strtoull.c
@@ -0,0 +1,112 @@
+/*-
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (c) 1992, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Copyright (c) 2011 The FreeBSD Foundation
+ * All rights reserved.
+ * Portions of this software were developed by David Chisnall
+ * under sponsorship from the FreeBSD Foundation.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <errno.h>
+#include <limits.h>
+#include <stddef.h>
+#include <stdlib.h>
+
+/*
+ * Convert a string to an unsigned long long integer.
+ *
+ * Assumes that the upper and lower case
+ * alphabets and digits are each contiguous.
+ */
+unsigned long long strtoull(const char *nptr, char **endptr, int base)
+{
+	const char *s;
+	unsigned long long acc;
+	char c;
+	unsigned long long cutoff;
+	int neg, any, cutlim;
+
+	/*
+	 * See strtoq for comments as to the logic used.
+	 */
+	s = nptr;
+	do {
+		c = *s++;
+	} while (isspace((unsigned char)c));
+	if (c == '-') {
+		neg = 1;
+		c = *s++;
+	} else {
+		neg = 0;
+		if (c == '+')
+			c = *s++;
+	}
+	if ((base == 0 || base == 16) &&
+	    c == '0' && (*s == 'x' || *s == 'X') &&
+	    ((s[1] >= '0' && s[1] <= '9') ||
+	    (s[1] >= 'A' && s[1] <= 'F') ||
+	    (s[1] >= 'a' && s[1] <= 'f'))) {
+		c = s[1];
+		s += 2;
+		base = 16;
+	}
+	if (base == 0)
+		base = c == '0' ? 8 : 10;
+	acc = any = 0;
+
+	cutoff = ULLONG_MAX / base;
+	cutlim = ULLONG_MAX % base;
+	for ( ; ; c = *s++) {
+		if (c >= '0' && c <= '9')
+			c -= '0';
+		else if (c >= 'A' && c <= 'Z')
+			c -= 'A' - 10;
+		else if (c >= 'a' && c <= 'z')
+			c -= 'a' - 10;
+		else
+			break;
+		if (c >= base)
+			break;
+		if (any < 0 || acc > cutoff || (acc == cutoff && c > cutlim))
+			any = -1;
+		else {
+			any = 1;
+			acc *= base;
+			acc += c;
+		}
+	}
+	if (any < 0) {
+		acc = ULLONG_MAX;
+	} else if (neg)
+		acc = -acc;
+	if (endptr != NULL)
+		*endptr = (char *)(any ? s - 1 : nptr);
+	return (acc);
+}