Add a version of the loader which runs under SKI, the HP ia64 simulator.

This loader is quite functional and can load and run kernels. The kernels
don't quite work right after loading but that should be easily fixable.

1 files changed, 90 insertions, 0 deletions

diff --git a/sys/boot/ia64/libski/libski.h b/sys/boot/ia64/libski/libski.h
new file mode 100644
index 0000000..e4d0932
--- /dev/null
+++ b/sys/boot/ia64/libski/libski.h
@@ -0,0 +1,90 @@
+/*-
+ * Copyright (c) 2001 Doug Rabson
+ * All rights reserved.
+ *
+ * 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.
+ *
+ * $FreeBSD$
+ */
+
+/*
+ * SKI fully-qualified device descriptor
+ */
+struct ski_devdesc {
+	struct	devsw	*d_dev;
+	int		d_type;
+#define	DEVT_NONE	0
+#define	DEVT_DISK	1
+#define	DEVT_NET	2
+	union {
+		struct {
+			int	unit;
+			int	slice;
+			int	partition;
+		} skidisk;
+		struct {
+			int	unit;	/* XXX net layer lives over these? */
+		} netif;
+	} d_kind;
+};
+
+extern int	ski_getdev(void **vdev, const char *devspec, const char **path);
+extern char	*ski_fmtdev(void *vdev);
+extern int	ski_setcurrdev(struct env_var *ev, int flags, void *value);
+
+#define	MAXDEV	31	/* maximum number of distinct devices */
+
+typedef unsigned long physaddr_t;
+
+/* exported devices XXX rename? */
+extern struct devsw skifs_dev;
+extern struct devsw ski_disk;
+extern struct netif_driver ski_net;
+
+/* Wrapper over SKI filesystems. */
+extern struct fs_ops ski_fsops;
+
+/* this is in startup code */
+extern void		delay(int);
+extern void		reboot(void);
+
+extern ssize_t		ski_copyin(const void *src, vm_offset_t dest, size_t len);
+extern ssize_t		ski_copyout(const vm_offset_t src, void *dest, size_t len);
+extern ssize_t		ski_readin(int fd, vm_offset_t dest, size_t len);
+
+extern int		ski_boot(void);
+extern int		ski_autoload(void);
+
+#define SSC_CONSOLE_INIT		20
+#define SSC_GETCHAR			21
+#define SSC_PUTCHAR			31
+#define SSC_OPEN			50
+#define SSC_CLOSE			51
+#define SSC_READ			52
+#define SSC_WRITE			53
+#define SSC_GET_COMPLETION		54
+#define SSC_WAIT_COMPLETION		55
+#define SSC_EXIT			66
+#define SSC_LOAD_SYMBOLS		69
+
+u_int64_t ssc(u_int64_t in0, u_int64_t in1, u_int64_t in2, u_int64_t in3,
+	      int which);