Add mmap

freebsd/sys/dev/fb/fbd.c

@@ -59,6 +59,9 @@ __FBSDID("$FreeBSD$");
 #include <vm/pmap.h>
 
 #include <rtems/bsd/local/fb_if.h>
+#ifdef __rtems__
+#define vtophys(a) (a)
+#endif /* __rtems__ */
 
 LIST_HEAD(fb_list_head_t, fb_list_entry) fb_list_head =
     LIST_HEAD_INITIALIZER(fb_list_head);
@@ -82,9 +85,7 @@ static d_close_t	fb_close;
 static d_read_t		fb_read;
 static d_write_t	fb_write;
 static d_ioctl_t	fb_ioctl;
-#ifndef __rtems__
 static d_mmap_t		fb_mmap;
-#endif /* __rtems__ */
 
 static struct cdevsw fb_cdevsw = {
 	.d_version =	D_VERSION,
@@ -94,9 +95,7 @@ static struct cdevsw fb_cdevsw = {
 	.d_read =	fb_read,
 	.d_write =	fb_write,
 	.d_ioctl =	fb_ioctl,
-#ifndef __rtems__
 	.d_mmap =	fb_mmap,
-#endif /* __rtems__ */
 	.d_name =	"fb",
 };
 

freebsd/sys/kern/kern_conf.c

@@ -328,8 +328,8 @@ static struct cdevsw dead_cdevsw = {
 	.d_write =	dead_write,
 	.d_ioctl =	dead_ioctl,
 	.d_poll =	dead_poll,
-#ifndef __rtems__
 	.d_mmap =	dead_mmap,
+#ifndef __rtems__
 	.d_strategy =	dead_strategy,
 #endif /* __rtems__ */
 	.d_name =	"dead",
@@ -522,7 +522,6 @@ giant_kqfilter(struct cdev *dev, struct knote *kn)
 	return (retval);
 }
 
-#ifndef __rtems__
 static int
 giant_mmap(struct cdev *dev, vm_ooffset_t offset, vm_paddr_t *paddr, int nprot,
     vm_memattr_t *memattr)
@@ -541,6 +540,7 @@ giant_mmap(struct cdev *dev, vm_ooffset_t offset, vm_paddr_t *paddr, int nprot,
 	return (retval);
 }
 
+#ifndef __rtems__
 static int
 giant_mmap_single(struct cdev *dev, vm_ooffset_t *offset, vm_size_t size,
     vm_object_t *object, int nprot)
@@ -667,8 +667,8 @@ prep_cdevsw(struct cdevsw *devsw, int flags)
 		devsw->d_write = dead_write;
 		devsw->d_ioctl = dead_ioctl;
 		devsw->d_poll = dead_poll;
-#ifndef __rtems__
 		devsw->d_mmap = dead_mmap;
+#ifndef __rtems__
 		devsw->d_mmap_single = dead_mmap_single;
 		devsw->d_strategy = dead_strategy;
 		devsw->d_dump = dead_dump;
@@ -702,8 +702,8 @@ prep_cdevsw(struct cdevsw *devsw, int flags)
 	FIXUP(d_write,		no_write,	giant_write);
 	FIXUP(d_ioctl,		no_ioctl,	giant_ioctl);
 	FIXUP(d_poll,		no_poll,	giant_poll);
-#ifndef __rtems__
 	FIXUP(d_mmap,		no_mmap,	giant_mmap);
+#ifndef __rtems__
 	FIXUP(d_strategy,	no_strategy,	giant_strategy);
 #endif /* __rtems__ */
 	FIXUP(d_kqfilter,	no_kqfilter,	giant_kqfilter);

freebsd/sys/sys/conf.h

@@ -209,8 +209,8 @@ struct cdevsw {
 	d_write_t		*d_write;
 	d_ioctl_t		*d_ioctl;
 	d_poll_t		*d_poll;
-#ifndef __rtems__
 	d_mmap_t		*d_mmap;
+#ifndef __rtems__
 	d_strategy_t		*d_strategy;
 	dumper_t		*d_dump;
 #endif /* __rtems__ */

rtemsbsd/include/machine/vm.h

@@ -0,0 +1,2 @@
+#define VM_MEMATTR_DEFAULT 0
+#define VM_MEMATTR_UNCACHEABLE 1

rtemsbsd/sys/fs/devfs/devfs_devs.c

@@ -387,6 +387,15 @@ devfs_imfs_kqfilter(rtems_libio_t *iop, struct knote *kn)
 	return error;
 }
 
+static int
+devfs_imfs_mmap(rtems_libio_t *iop, void **addr, size_t len, int prot,
+    off_t off)
+{
+	struct cdev *cdev = devfs_imfs_get_context_by_iop(iop);
+
+	return (cdev->si_devsw->d_mmap( cdev, off, (vm_paddr_t *) addr, prot, VM_MEMATTR_DEFAULT));
+}
+
 static const rtems_filesystem_file_handlers_r devfs_imfs_handlers = {
 	.open_h = devfs_imfs_open,
 	.close_h = devfs_imfs_close,
@@ -403,6 +412,7 @@ static const rtems_filesystem_file_handlers_r devfs_imfs_handlers = {
 	.kqfilter_h = devfs_imfs_kqfilter,
 	.readv_h = devfs_imfs_readv,
 	.writev_h = devfs_imfs_writev,
+	.mmap_h = devfs_imfs_mmap,
 };
 
 static const IMFS_node_control devfs_imfs_control = IMFS_GENERIC_INITIALIZER(