git: 4025776a622a - stable/12 - Implement some time variables from kernel

The branch stable/12 has been updated by kevans:

URL: https://cgit.FreeBSD.org/src/commit/?id=4025776a622a881a92f3e51ba9995a3c38bd3c3e

commit 4025776a622a881a92f3e51ba9995a3c38bd3c3e
Author:     Warner Losh <imp@FreeBSD.org>
AuthorDate: 2020-09-29 16:29:50 +0000
Commit:     Kyle Evans <kevans@FreeBSD.org>
CommitDate: 2021-10-08 05:24:27 +0000

    Implement some time variables from kernel
    
    OpenZFS will start using some of the kernel timekeeping bits
    shortly. This implements the bare minimum of that which currently
    is just the time_seconds variable.
    
    (cherry picked from commit 6ab1ffcbfeaab180691d7c1b5b0003f224442fed)
---
 stand/libsa/Makefile |  3 +++
 stand/libsa/time.c   | 35 +++++++++++++++++++++++++++++++++++
 2 files changed, 38 insertions(+)

diff --git a/stand/libsa/Makefile b/stand/libsa/Makefile
index 63dbc6e7414c..e70a5ffb7a82 100644
--- a/stand/libsa/Makefile
+++ b/stand/libsa/Makefile
@@ -166,6 +166,9 @@ SRCS+=	pkgfs.c
 SRCS+=	nandfs.c
 .endif
 
+# Time support
+SRCS+=	time.c
+
 # kernel ufs support
 .PATH: ${SRCTOP}/sys/ufs/ffs
 SRCS+=ffs_subr.c ffs_tables.c
diff --git a/stand/libsa/time.c b/stand/libsa/time.c
new file mode 100644
index 000000000000..c34cbfc92af1
--- /dev/null
+++ b/stand/libsa/time.c
@@ -0,0 +1,35 @@
+/*-
+ * Copyright (c) 2020 M. Warner Losh <imp@FreeBSD.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * The parts of kern_tc.c and other timekeeping bits of the kernel.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/time.h>
+
+volatile time_t time_second = 1;