Add FreeBSD kernel space header files

Move the kernel space content of some Newlib provided header files to
RTEMS and libbsd.  This allows to use the Newlib provided header files
with different FreeBSD baselines.

Update #3472.

1 files changed, 87 insertions, 0 deletions

diff --git a/cpukit/include/machine/_kernel_uio.h b/cpukit/include/machine/_kernel_uio.h
new file mode 100644
index 0000000000..c73fa6d299
--- /dev/null
+++ b/cpukit/include/machine/_kernel_uio.h
@@ -0,0 +1,87 @@
+/*-
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (c) 1982, 1986, 1993, 1994
+ *	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.
+ *
+ *	@(#)uio.h	8.5 (Berkeley) 2/22/94
+ * $FreeBSD: head/sys/sys/uio.h 331621 2018-03-27 15:20:03Z brooks $
+ */
+
+#if !defined(_SYS_UIO_H_) || !defined(_KERNEL)
+#error "must be included via <sys/uio.h> in kernel space"
+#endif
+
+struct uio {
+	struct	iovec *uio_iov;		/* scatter/gather list */
+	int	uio_iovcnt;		/* length of scatter/gather list */
+	off_t	uio_offset;		/* offset in target object */
+	ssize_t	uio_resid;		/* remaining bytes to process */
+	enum	uio_seg uio_segflg;	/* address space */
+	enum	uio_rw uio_rw;		/* operation */
+	struct	thread *uio_td;		/* owner */
+};
+
+/*
+ * Limits
+ *
+ * N.B.: UIO_MAXIOV must be no less than IOV_MAX from <sys/syslimits.h>
+ * which in turn must be no less than _XOPEN_IOV_MAX from <limits.h>.  If
+ * we ever make this tunable (probably pointless), then IOV_MAX should be
+ * removed from <sys/syslimits.h> and applications would be expected to use
+ * sysconf(3) to find out the correct value, or else assume the worst
+ * (_XOPEN_IOV_MAX).  Perhaps UIO_MAXIOV should be simply defined as
+ * IOV_MAX.
+ */
+#define UIO_MAXIOV	1024		/* max 1K of iov's */
+
+struct vm_object;
+struct vm_page;
+struct bus_dma_segment;
+
+struct uio *cloneuio(struct uio *uiop);
+int	copyinfrom(const void * __restrict src, void * __restrict dst,
+	    size_t len, int seg);
+int	copyiniov(const struct iovec *iovp, u_int iovcnt, struct iovec **iov,
+	    int error);
+int	copyinstrfrom(const void * __restrict src, void * __restrict dst,
+	    size_t len, size_t * __restrict copied, int seg);
+int	copyinuio(const struct iovec *iovp, u_int iovcnt, struct uio **uiop);
+int	copyout_map(struct thread *td, vm_offset_t *addr, size_t sz);
+int	copyout_unmap(struct thread *td, vm_offset_t addr, size_t sz);
+int	physcopyin(void *src, vm_paddr_t dst, size_t len);
+int	physcopyout(vm_paddr_t src, void *dst, size_t len);
+int	physcopyin_vlist(struct bus_dma_segment *src, off_t offset,
+	    vm_paddr_t dst, size_t len);
+int	physcopyout_vlist(vm_paddr_t src, struct bus_dma_segment *dst,
+	    off_t offset, size_t len);
+int	uiomove(void *cp, int n, struct uio *uio);
+int	uiomove_frombuf(void *buf, int buflen, struct uio *uio);
+int	uiomove_fromphys(struct vm_page *ma[], vm_offset_t offset, int n,
+	    struct uio *uio);
+int	uiomove_nofault(void *cp, int n, struct uio *uio);
+int	uiomove_object(struct vm_object *obj, off_t obj_size, struct uio *uio);