/* * SPDX-License-Identifier: BSD-3-Clause * * Copyright © 2023 Keith Packard * * 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. * * 3. Neither the name of the copyright holder nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 * COPYRIGHT HOLDER 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. */ #include "m68k_semihost.h" #include #include #include #include #include #include #include static int gdb_flags(int flags) { int gdb = 0; gdb = flags & 3; if (flags & O_RDWR) gdb |= GDB_O_RDWR; if (flags & O_APPEND) gdb |= GDB_O_APPEND; if (flags & O_CREAT) gdb |= GDB_O_CREAT; if (flags & O_TRUNC) gdb |= GDB_O_TRUNC; if (flags & O_EXCL) gdb |= GDB_O_EXCL; return gdb; } int open(const char *pathname, int flags, ...) { va_list ap; va_start(ap,flags); uintptr_t mode = va_arg(ap, uintptr_t); va_end(ap); return m68k_semihost4(HOSTED_OPEN, (uintptr_t) pathname, strlen(pathname) + 1, gdb_flags(flags), mode); }