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authorEric Andersen <andersen@codepoet.org>2002-02-02 19:03:57 +0000
committerEric Andersen <andersen@codepoet.org>2002-02-02 19:03:57 +0000
commit8dc1d08d0c3a5abe3856b04a5a864227fe0ba62d (patch)
tree65d254a60aec64fb933cf3c4c11ffa7235e02413 /libc/sysdeps/linux/h8300/bits/select.h
parent327b0c83302af0a288c65a03f4f2c82af321bd28 (diff)
Add in support for the Hitach H8/300H architecture,
contributed by Yoshinori Sato <qzb04471@nifty.ne.jp>
Diffstat (limited to 'libc/sysdeps/linux/h8300/bits/select.h')
-rw-r--r--libc/sysdeps/linux/h8300/bits/select.h109
1 files changed, 109 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/h8300/bits/select.h b/libc/sysdeps/linux/h8300/bits/select.h
new file mode 100644
index 000000000..ad47f5092
--- /dev/null
+++ b/libc/sysdeps/linux/h8300/bits/select.h
@@ -0,0 +1,109 @@
+/* Copyright (C) 1997, 1998 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef _SYS_SELECT_H
+# error "Never use <bits/select.h> directly; include <sys/select.h> instead."
+#endif
+
+
+#if defined __GNUC__ && __GNUC__ >= 2
+
+# define __FD_ZERO(fdsp) \
+ do { \
+ __asm__ __volatile__ ("mov.l %1,er5\n\t" \
+ "mov.l er5,er6\n\t" \
+ "inc.l #1,er6\n\t" \
+ "mov.b #0,r4l\n\t" \
+ "mov.b r4l,@er5\n\t" \
+ "mov.l %0,er4\n\t" \
+ "eepmov.w\n\t" \
+ :: "r" (sizeof (fd_set)-1), \
+ "r" (&__FDS_BITS (fdsp)[0]) \
+ : "er4","er5","er6","memory"); \
+ } while (0)
+
+# define __FD_SET(fd, fdsp) \
+ __asm__ __volatile__ ("mov.l %0,er0\n\t" \
+ "mov.l %1,er1\n\t" \
+ "shlr.b r1l\n\t" \
+ "shlr.b r1l\n\t" \
+ "shlr.b r1l\n\t" \
+ "add.l er1,er0\n\t" \
+ "mov.l %1,er1\n\t" \
+ "and.b #7,r1l\n\t" \
+ "bset r1l,@er0\n\t" \
+ : "=m" (__FDS_BITS (fdsp)[__FDELT (fd)]) \
+ : "r" (((int) (fd)) % __NFDBITS) \
+ : "cc","memory","er0","er1")
+# define __FD_CLR(fd, fdsp) \
+ __asm__ __volatile__ ("mov.l %0,er0\n\t" \
+ "mov.l %1,er1\n\t" \
+ "shlr.b r1l\n\t" \
+ "shlr.b r1l\n\t" \
+ "shlr.b r1l\n\t" \
+ "add.l er1,er0\n\t" \
+ "mov.l %1,er1\n\t" \
+ "and.b #7,r1l\n\t" \
+ "bclr r1l,@er0\n\t" \
+ : "=m" (__FDS_BITS (fdsp)[__FDELT (fd)]) \
+ : "r" (((int) (fd)) % __NFDBITS) \
+ : "cc","memory","er0","er1")
+# define __FD_ISSET(fd, fdsp) \
+ (__extension__ \
+ ({register char __result; \
+ __asm__ __volatile__ ("mov.l %1,er0\n\t" \
+ "sub.l er1,er1\n\t" \
+ "mov.w %0,r1\n\t" \
+ "shlr.b r1l\n\t" \
+ "shlr.b r1l\n\t" \
+ "shlr.b r1l\n\t" \
+ "add.l er1,er0\n\t" \
+ "mov.w %0,r1\n\t" \
+ "and.b #7,r1l\n\t" \
+ "btst.b r1l,@er0\n\t" \
+ "beq 1f\n\t" \
+ "sub.l er0,er0\n\t" \
+ "mov.b r1h,r0l\n\t" \
+ "bra 2f\n" \
+ "1:\tsub.l er0,er0\n" \
+ "2:\tmov.w r0,%0\n\t" \
+ : "=r" (__result) \
+ : "r" (((int) (fd)) % __NFDBITS), \
+ "m" (__FDS_BITS (fdsp)[__FDELT (fd)]) \
+ : "cc"); \
+ __result; }))
+
+#else /* ! GNU CC */
+
+/* We don't use `memset' because this would require a prototype and
+ the array isn't too big. */
+# define __FD_ZERO(set) \
+ do { \
+ unsigned int __i; \
+ fd_set *__arr = (set); \
+ for (__i = 0; __i < sizeof (fd_set) / sizeof (__fd_mask); ++__i) \
+ __FDS_BITS (__arr)[__i] = 0; \
+ } while (0)
+# define __FD_SET(d, set) (__FDS_BITS (set)[__FDELT (d)] |= __FDMASK (d))
+# define __FD_CLR(d, set) (__FDS_BITS (set)[__FDELT (d)] &= ~__FDMASK (d))
+# define __FD_ISSET(d, set) (__FDS_BITS (set)[__FDELT (d)] & __FDMASK (d))
+
+#endif /* GNU CC */
+
+
+