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authormatt <matt@NetBSD.org>2014-09-19 17:36:24 +0000
committermatt <matt@NetBSD.org>2014-09-19 17:36:24 +0000
commit25195b1e580593d7db7375fb8a883f3cb9df3cce (patch)
treeebf58bf7ac2dda20ebb4d45153ec831dc590c76d /lib/libpthread
parent2a9c01cfd73c186ddd2af4732708c88047ffdc1a (diff)
New files for Userland support of UCB RISC-V (both 32-bit and 64-bit)
Diffstat (limited to 'lib/libpthread')
-rw-r--r--lib/libpthread/arch/riscv/pthread_md.h47
1 files changed, 47 insertions, 0 deletions
diff --git a/lib/libpthread/arch/riscv/pthread_md.h b/lib/libpthread/arch/riscv/pthread_md.h
new file mode 100644
index 00000000000..3455a8e76ba
--- /dev/null
+++ b/lib/libpthread/arch/riscv/pthread_md.h
@@ -0,0 +1,47 @@
+/* $NetBSD: pthread_md.h,v 1.1 2014/09/19 17:36:25 matt Exp $ */
+
+/*-
+ * Copyright (c) 2014 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Matt Thomas of 3am Software Foundry.
+ *
+ * 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
+ */
+
+#ifndef _LIB_PTHREAD_OR1K_MD_H
+#define _LIB_PTHREAD_OR1K_MD_H
+
+static inline unsigned long
+pthread__sp(void)
+{
+ unsigned long ret;
+
+ __asm("move\t%0, sp" : "=r" (ret));
+
+ return ret;
+}
+
+#define pthread__uc_sp(ucp) ((ucp)->uc_mcontext.__gregs[1])
+
+#endif /* _LIB_PTHREAD_OR1K_MD_H */