started implementation of a more generic EmuTOS driver interface

BaS_gcc/Makefile

@@ -78,7 +78,8 @@ CSRCS= \
 	$(SRCDIR)/xhdi_sd.c \
 	$(SRCDIR)/xhdi_interface.c \
 	$(SRCDIR)/pci.c \
-	$(SRCDIR)/dspi.c
+	$(SRCDIR)/dspi.c \
+	$(SRCDIR)/driver_vec.c
 
 ASRCS= \
 	$(SRCDIR)/startcf.S \

BaS_gcc/include/driver_vec.h

@@ -0,0 +1,55 @@
+/*
+ * driver_vec.h
+ *
+ * Interface for exposure of BaS drivers to the OS
+ *
+ * This file is part of BaS_gcc.
+ *
+ * BaS_gcc is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * BaS_gcc 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with BaS_gcc.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ *  Created on: 24.10.2013
+ *      Author: Markus Fröschle
+ */
+
+#ifndef _DRIVER_VEC_H_
+#define _DRIVER_VEC_H_
+
+typedef enum driver_type
+{
+	blockdev,
+	chardev,
+	video,
+	xhdi
+} DRIVER_TYPE;
+
+typedef struct generic_driver_interface
+{
+	int (*read)();
+	int (*write)();
+	int (*ioctl)();
+} GENERIC_DRIVER_INTERFACE;
+
+typedef struct xhdi_driver_interface
+{
+	long xhdivec;
+} XHDI_DRIVER_INTERFACE;
+
+typedef union driver_interface
+{
+	enum driver_type type;
+	struct generic_driver_interface gdi;
+	struct xhdi_driver_interface xhdi;
+} DRIVER_INTERFACE;
+
+#endif /* _DRIVER_VEC_H_ */

BaS_gcc/sources/driver_vec.c

@@ -0,0 +1,33 @@
+/*
+ * driver_vec.c
+ *
+ * Expose BaS drivers to OS
+ *
+ * This file is part of BaS_gcc.
+ *
+ * BaS_gcc is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * BaS_gcc 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with BaS_gcc.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ *
+ *  Created on: 24.10.2013
+ *      Author: Markus Fröschle
+ */
+
+#include <stdint.h>
+#include "driver_vec.h"
+#include "xhdi_sd.h"
+
+static union driver_interface interfaces[] =
+{
+		{ .type = xhdi, . xhdi = {xhdi_call} }
+};