From 28f540f45bbacd939bfd07f213bcad2bf730b1bf Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Sat, 18 Feb 1995 01:27:10 +0000 Subject: initial import --- sysdeps/unix/bsd/m68k/pipe.S | 32 ++++++++++++++++++++++++++++++ sysdeps/unix/bsd/m68k/start.c | 3 +++ sysdeps/unix/bsd/m68k/syscall.S | 26 ++++++++++++++++++++++++ sysdeps/unix/bsd/m68k/sysdep.S | 44 +++++++++++++++++++++++++++++++++++++++++ sysdeps/unix/bsd/m68k/wait.S | 35 ++++++++++++++++++++++++++++++++ 5 files changed, 140 insertions(+) create mode 100644 sysdeps/unix/bsd/m68k/pipe.S create mode 100644 sysdeps/unix/bsd/m68k/start.c create mode 100644 sysdeps/unix/bsd/m68k/syscall.S create mode 100644 sysdeps/unix/bsd/m68k/sysdep.S create mode 100644 sysdeps/unix/bsd/m68k/wait.S (limited to 'sysdeps/unix/bsd/m68k') diff --git a/sysdeps/unix/bsd/m68k/pipe.S b/sysdeps/unix/bsd/m68k/pipe.S new file mode 100644 index 0000000000..633d18fe2c --- /dev/null +++ b/sysdeps/unix/bsd/m68k/pipe.S @@ -0,0 +1,32 @@ +/* Copyright (C) 1991, 1992, 1993, 1995 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., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include + +SYSCALL__ (pipe, 1) +#ifdef __motorola__ + move.l 4(sp), a0 + movem.l d0-d1, (a0) +#else + movel sp@(4), a0 + moveml d0-d1, a0@ +#endif + clrl d0 + rts + +weak_alias (__pipe, pipe) diff --git a/sysdeps/unix/bsd/m68k/start.c b/sysdeps/unix/bsd/m68k/start.c new file mode 100644 index 0000000000..1067853d61 --- /dev/null +++ b/sysdeps/unix/bsd/m68k/start.c @@ -0,0 +1,3 @@ +#define DUMMIES ignore0 + +#include diff --git a/sysdeps/unix/bsd/m68k/syscall.S b/sysdeps/unix/bsd/m68k/syscall.S new file mode 100644 index 0000000000..18ef815559 --- /dev/null +++ b/sysdeps/unix/bsd/m68k/syscall.S @@ -0,0 +1,26 @@ +/* Copyright (C) 1993 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., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include + +ENTRY (syscall) + movel sp@+, a0 /* Pop return address into A0. */ + DO_CALL (sp@, 0) /* Do system call. */ + jmp a0@ /* Return to A0. */ +error: movel a0, sp@- /* Error; push return address */ + jmp syscall_error /* and jump to error handler. */ diff --git a/sysdeps/unix/bsd/m68k/sysdep.S b/sysdeps/unix/bsd/m68k/sysdep.S new file mode 100644 index 0000000000..cef8990eea --- /dev/null +++ b/sysdeps/unix/bsd/m68k/sysdep.S @@ -0,0 +1,44 @@ +/* Copyright (C) 1991, 1992, 1993, 1994 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., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#define _ERRNO_H +#include + +.globl syscall_error +syscall_error: + /* We translate the system's EWOULDBLOCK error into EAGAIN. + The GNU C library always defines EWOULDBLOCK==EAGAIN. + EWOULDBLOCK_sys is the original number. */ +#ifdef __motorola__ +#if defined (EWOULDBLOCK_sys) && EWOULDBLOCK_sys != EAGAIN + cmp.l #EWOULDBLOCK_sys, d0 + bne store + moveq.l #EAGAIN, d0 +#endif +store: move.l d0, _errno + moveq.l #-1, d0 +#else +#if defined (EWOULDBLOCK_sys) && EWOULDBLOCK_sys != EAGAIN + cmpl #EWOULDBLOCK_sys, d0 + bne store + moveq #EAGAIN, d0 +#endif +store: movel d0, _errno + moveq #-1, d0 +#endif + rts diff --git a/sysdeps/unix/bsd/m68k/wait.S b/sysdeps/unix/bsd/m68k/wait.S new file mode 100644 index 0000000000..c7685b72aa --- /dev/null +++ b/sysdeps/unix/bsd/m68k/wait.S @@ -0,0 +1,35 @@ +/* Copyright (C) 1991, 1992, 1993, 1995 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., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include + +SYSCALL__ (wait, 1) +#ifdef __motorola__ + tst.l 4(sp) + beq 1f + movea.l 4(sp), a0 + move.l d1, (a0) +#else + tstl sp@(4) + beq 1f + moveal sp@(4), a0 + movel d1, a0@ +#endif +1: rts + +weak_alias (__wait, wait) -- cgit 1.4.1