[1/7] Create os-time.c and add t2h_freebsd_timeval

Commit Message

Ajeet Singh April 22, 2023, 4:19 p.m. UTC

From: Stacey Son <[e-mail]>

os-time.c contains various functions to convert FreeBSD-specific time
structure between host and guest formats

Signed-off-by: Ajeets6 <[e-mail]>
Signed-off-by: Stacey Son <[e-mail]>
---
 bsd-user/freebsd/os-time.c | 41 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 bsd-user/freebsd/os-time.c

Patch

diff --git a/bsd-user/freebsd/os-time.c b/bsd-user/freebsd/os-time.c
new file mode 100644
index 0000000000..ec9f59ded7
--- /dev/null
+++ b/bsd-user/freebsd/os-time.c
@@ -0,0 +1,41 @@ 
+/*
+ *  FreeBSD time related system call helpers
+ *
+ *  Copyright (c) 2013-15 Stacey D. Son
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+/*
+ * FreeBSD time conversion functions
+ */
+#include <errno.h>
+#include <time.h>
+#include <sys/types.h>
+#include "qemu.h"
+
+
+abi_long t2h_freebsd_timeval(struct timeval *tv, abi_ulong target_tv_addr)
+{
+    struct target_freebsd_timeval *target_tv;
+
+    if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 0)) {
+        return -TARGET_EFAULT;
+    }
+    __get_user(tv->tv_sec, &target_tv->tv_sec);
+    __get_user(tv->tv_usec, &target_tv->tv_usec);
+    unlock_user_struct(target_tv, target_tv_addr, 1);
+
+    return 0;
+}
\ No newline at end of file