diff options
| author | matt <matt@NetBSD.org> | 2014-09-19 17:36:24 +0000 |
|---|---|---|
| committer | matt <matt@NetBSD.org> | 2014-09-19 17:36:24 +0000 |
| commit | 25195b1e580593d7db7375fb8a883f3cb9df3cce (patch) | |
| tree | ebf58bf7ac2dda20ebb4d45153ec831dc590c76d /lib/libpthread | |
| parent | 2a9c01cfd73c186ddd2af4732708c88047ffdc1a (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.h | 47 |
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 */ |
