Rename files for kernel namespace script

This makes it easier to create the kernel namespace header.

1 files changed, 365 insertions, 0 deletions

diff --git a/rtemsbsd/rtems/rtems-kernel-nexus.c b/rtemsbsd/rtems/rtems-kernel-nexus.c
new file mode 100644
index 00000000..d8afebc2
--- /dev/null
+++ b/rtemsbsd/rtems/rtems-kernel-nexus.c
@@ -0,0 +1,365 @@
+/**
+ * @file
+ *
+ * @ingroup rtems_bsd_rtems
+ *
+ * @brief TODO.
+ */
+
+/*
+ * Copyright (c) 2009-2015 embedded brains GmbH.  All rights reserved.
+ *
+ *  embedded brains GmbH
+ *  Dornierstr. 4
+ *  82178 Puchheim
+ *  Germany
+ *  <rtems@embedded-brains.de>
+ *
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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 <machine/rtems-bsd-kernel-space.h>
+#include <machine/rtems-bsd-thread.h>
+
+#include <rtems/bsd/sys/param.h>
+#include <rtems/bsd/sys/types.h>
+#include <sys/systm.h>
+#include <sys/bus.h>
+#include <sys/kernel.h>
+#include <sys/module.h>
+#include <sys/rman.h>
+#include <sys/malloc.h>
+#include <machine/bus.h>
+
+#include <rtems/bsd/bsd.h>
+#include <rtems/irq-extension.h>
+
+/* #define DISABLE_INTERRUPT_EXTENSION */
+
+RTEMS_BSD_DECLARE_SET(nexus, rtems_bsd_device);
+
+RTEMS_BSD_DEFINE_SET(nexus, rtems_bsd_device);
+
+RTEMS_STATIC_ASSERT(SYS_RES_MEMORY == RTEMS_BSD_RES_MEMORY, RTEMS_BSD_RES_MEMORY);
+
+RTEMS_STATIC_ASSERT(SYS_RES_IRQ == RTEMS_BSD_RES_IRQ, RTEMS_BSD_RES_IRQ);
+
+static struct rman mem_rman;
+
+static struct rman irq_rman;
+
+#ifdef __i386__
+static struct rman port_rman;
+#endif
+
+#ifndef DISABLE_INTERRUPT_EXTENSION
+SYSINIT_REFERENCE(irqs);
+#endif
+
+static int
+nexus_probe(device_t dev)
+{
+	int err;
+	const rtems_bsd_device *nd;
+
+	device_set_desc(dev, "RTEMS Nexus device");
+
+	mem_rman.rm_start = 0;
+	mem_rman.rm_end = ~0UL;
+	mem_rman.rm_type = RMAN_ARRAY;
+	mem_rman.rm_descr = "I/O memory addresses";
+	err = rman_init(&mem_rman) != 0;
+	BSD_ASSERT(err == 0);
+	err = rman_manage_region(&mem_rman, mem_rman.rm_start, mem_rman.rm_end);
+	BSD_ASSERT(err == 0);
+
+	irq_rman.rm_start = 0;
+	irq_rman.rm_end = ~0UL;
+	irq_rman.rm_type = RMAN_ARRAY;
+	irq_rman.rm_descr = "Interrupt vectors";
+	err = rman_init(&irq_rman) != 0;
+	BSD_ASSERT(err == 0);
+	err = rman_manage_region(&irq_rman, irq_rman.rm_start, irq_rman.rm_end);
+	BSD_ASSERT(err == 0);
+
+#ifdef __i386__
+	port_rman.rm_start = 0;
+	port_rman.rm_end = 0xffff;
+	port_rman.rm_type = RMAN_ARRAY;
+	port_rman.rm_descr = "I/O ports";
+	err = rman_init(&port_rman) != 0;
+	BSD_ASSERT(err == 0);
+	err = rman_manage_region(&port_rman, port_rman.rm_start,
+	    port_rman.rm_end);
+	BSD_ASSERT(err == 0);
+#endif
+
+	SET_FOREACH(nd, nexus) {
+		device_add_child(dev, nd->name, nd->unit);
+	}
+
+	return (0);
+}
+
+static bool
+nexus_get_start(const rtems_bsd_device *nd, int type, u_long *start)
+{
+	u_long sr = *start;
+	size_t i;
+
+	for (i = 0; i < nd->resource_count; ++i) {
+		const rtems_bsd_device_resource *dr = &nd->resources[i];
+
+		if (dr->type == type && dr->start_request == sr) {
+			*start = dr->start_actual;
+
+			return (true);
+		}
+	}
+
+	return (false);
+}
+
+static struct resource *
+nexus_alloc_resource(device_t bus, device_t child, int type, int *rid,
+    u_long start, u_long end, u_long count, u_int flags)
+{
+	struct resource *res = NULL;
+	struct rman *rm;
+	const rtems_bsd_device *nd;
+
+	switch (type) {
+	case SYS_RES_MEMORY:
+		rm = &mem_rman;
+		break;
+	case SYS_RES_IRQ:
+		rm = &irq_rman;
+		break;
+#ifdef __i386__
+	case SYS_RES_IOPORT:
+		rm = &port_rman;
+		break;
+#endif
+	default:
+		return (res);
+	}
+
+	SET_FOREACH(nd, nexus) {
+		if (strcmp(device_get_name(child), nd->name) == 0
+		    && device_get_unit(child) == nd->unit) {
+			if (nexus_get_start(nd, type, &start)) {
+				res = rman_reserve_resource(rm, start, end,
+				    count, flags, child);
+				if (res != NULL) {
+					rman_set_rid(res, *rid);
+					rman_set_bushandle(res,
+					    rman_get_start(res));
+				}
+			};
+
+			return (res);
+		}
+	}
+
+#ifdef __i386__
+	/*
+	 * FIXME: This is a quick and dirty hack.  Simply reserve resources of
+	 * this kind.  See also pci_reserve_map().
+	 */
+	if (start + count - end <= 1UL) {
+		res = rman_reserve_resource(rm, start, end, count, flags,
+		    child);
+		if (res != NULL) {
+			rman_set_rid(res, *rid);
+			rman_set_bushandle(res, rman_get_start(res));
+		}
+	}
+#endif
+
+	return (res);
+}
+
+static int
+nexus_release_resource(device_t bus, device_t child, int type, int rid,
+    struct resource *res)
+{
+	return (rman_release_resource(res));
+}
+
+#ifdef __i386__
+static int
+nexus_activate_resource(device_t bus, device_t child, int type, int rid,
+    struct resource *res)
+{
+	switch (type) {
+	case SYS_RES_IOPORT:
+		rman_set_bustag(res, X86_BUS_SPACE_IO);
+		break;
+	case SYS_RES_MEMORY:
+		rman_set_bustag(res, X86_BUS_SPACE_MEM);
+		break;
+	}
+	return (rman_activate_resource(res));
+}
+
+static int
+nexus_deactivate_resource(device_t bus, device_t child, int type, int rid,
+    struct resource *res)
+{
+
+	return (rman_deactivate_resource(res));
+}
+#endif
+
+struct nexus_intr {
+	driver_filter_t *filt;
+	driver_intr_t *intr;
+	void *arg;
+};
+
+static void
+nexus_intr_with_filter(void *arg)
+{
+	struct nexus_intr *ni;
+	int status;
+
+	ni = arg;
+
+	status = (*ni->filt)(ni->arg);
+	if ((status & FILTER_SCHEDULE_THREAD) != 0) {
+		(*ni->intr)(ni->arg);
+	}
+}
+
+static int
+nexus_setup_intr(device_t dev, device_t child, struct resource *res, int flags,
+    driver_filter_t *filt, driver_intr_t *intr, void *arg, void **cookiep)
+{
+	int err;
+#ifndef DISABLE_INTERRUPT_EXTENSION
+	struct nexus_intr *ni;
+
+	ni = malloc(sizeof(*ni), M_TEMP, M_WAITOK);
+	if (ni != NULL) {
+		rtems_status_code sc;
+		rtems_interrupt_handler rh;
+		void *ra;
+
+		ni->filt = filt;
+		ni->intr = intr;
+		ni->arg = arg;
+
+		*cookiep = ni;
+
+		if (filt == NULL) {
+			rh = intr;
+			ra = arg;
+		} else {
+			rh = nexus_intr_with_filter;
+			ra = ni;
+		}
+
+		sc = rtems_interrupt_server_handler_install(RTEMS_ID_NONE,
+		    rman_get_start(res), device_get_nameunit(child),
+		    RTEMS_INTERRUPT_UNIQUE, rh, ra);
+		if (sc == RTEMS_SUCCESSFUL) {
+			err = 0;
+		} else {
+			free(ni, M_TEMP);
+
+			err = EINVAL;
+		}
+	} else {
+		err = ENOMEM;
+	}
+#else
+	err = EINVAL;
+#endif
+
+	return (err);
+}
+
+static int
+nexus_teardown_intr(device_t dev, device_t child, struct resource *res,
+    void *cookie)
+{
+	int err;
+#ifndef DISABLE_INTERRUPT_EXTENSION
+	struct nexus_intr *ni;
+	rtems_status_code sc;
+	rtems_interrupt_handler rh;
+	void *ra;
+
+	ni = cookie;
+
+	if (ni->filt == NULL) {
+		rh = ni->intr;
+		ra = ni->arg;
+	} else {
+		rh = nexus_intr_with_filter;
+		ra = ni->arg;
+	}
+
+	sc = rtems_interrupt_server_handler_install(RTEMS_ID_NONE,
+	    rman_get_start(res), device_get_nameunit(child),
+	    RTEMS_INTERRUPT_UNIQUE, rh, ra);
+	err = sc == RTEMS_SUCCESSFUL ? 0 : EINVAL;
+#else
+	err = EINVAL;
+#endif
+
+	return (err);
+}
+
+static device_method_t nexus_methods[] = {
+	/* Device interface */
+	DEVMETHOD(device_probe, nexus_probe),
+	DEVMETHOD(device_attach, bus_generic_attach),
+	DEVMETHOD(device_detach, bus_generic_detach),
+	DEVMETHOD(device_shutdown, bus_generic_shutdown),
+	DEVMETHOD(device_suspend, bus_generic_suspend),
+	DEVMETHOD(device_resume, bus_generic_resume),
+
+	/* Bus interface */
+	DEVMETHOD(bus_print_child, bus_generic_print_child),
+	DEVMETHOD(bus_add_child, bus_generic_add_child),
+	DEVMETHOD(bus_alloc_resource, nexus_alloc_resource),
+	DEVMETHOD(bus_release_resource, nexus_release_resource),
+#ifdef __i386__
+	DEVMETHOD(bus_activate_resource, nexus_activate_resource),
+	DEVMETHOD(bus_deactivate_resource, nexus_deactivate_resource),
+#endif
+	DEVMETHOD(bus_setup_intr, nexus_setup_intr),
+	DEVMETHOD(bus_teardown_intr, nexus_teardown_intr),
+
+	{ 0, 0 }
+};
+
+static driver_t nexus_driver = {
+	.name = "nexus",
+	.methods = nexus_methods,
+	.size = 0
+};
+
+static devclass_t nexus_devclass;
+
+DRIVER_MODULE(nexus, root, nexus_driver, nexus_devclass, 0, 0);