powerpc: Add initial port to bare metal PowerPC arch.

Runs in microwatt (GHDL and FPGA) and qemu.

Port done initially by Michael Neuling, with help from Anton Blanchard and
Jordan Niethe.

1 files changed, 36 insertions, 0 deletions

diff --git a/ports/powerpc/unistd.h b/ports/powerpc/unistd.h
new file mode 100644
index 000000000..88e3b2721
--- /dev/null
+++ b/ports/powerpc/unistd.h
@@ -0,0 +1,36 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019, Michael Neuling, IBM Corporation.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#ifndef MICROPY_INCLUDED_POWERPC_UNISTD_H
+#define MICROPY_INCLUDED_POWERPC_UNISTD_H
+
+// powerpc gcc compiler doesn't seem to have unistd.h file
+
+#define SEEK_SET 0
+#define SEEK_CUR 1
+
+typedef int ssize_t;
+
+#endif // MICROPY_INCLUDED_POWERPC_UNISTD_H