The grand reorganization, OpenBSD style.

Lossely based on the NetBSD reorg, but much improved upon, simpler, and doesn't
scribble needless junk into the bootblocks.

1 files changed, 203 insertions, 0 deletions

diff --git a/sys/arch/hp300/stand/common/machdep.c b/sys/arch/hp300/stand/common/machdep.c
new file mode 100644
index 00000000000..581ba56b5ec
--- /dev/null
+++ b/sys/arch/hp300/stand/common/machdep.c
@@ -0,0 +1,203 @@
+/*	$OpenBSD: machdep.c,v 1.1 1997/07/14 08:14:25 downsj Exp $	*/
+/*	$NetBSD: machdep.c,v 1.4 1997/06/28 07:20:25 thorpej Exp $	*/
+
+/*
+ * Copyright (c) 1988 University of Utah.
+ * Copyright (c) 1982, 1986, 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * the Systems Programming Group of the University of Utah Computer
+ * Science Department.
+ *
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
+ *
+ * from: Utah $Hdr: machdep.c 1.10 92/06/18
+ *
+ *	@(#)machdep.c	8.1 (Berkeley) 6/10/93
+ */
+
+#include <sys/param.h>
+
+#include "samachdep.h"
+
+char *
+getmachineid()
+{
+	extern int machineid, mmuid;
+	char *cp;
+
+	switch (machineid) {
+	case HP_320:
+		cp = "320"; break;
+	case HP_330:
+		cp = "318/319/330"; break;
+	case HP_340:
+		cp = "340"; break;
+	case HP_345:
+		cp = "345"; break;
+	case HP_350:
+		cp = "350"; break;
+	case HP_360:
+		cp = "360"; break;
+	case HP_370:
+		cp = "370"; break;
+	case HP_375:
+		cp = "375"; break;
+	case HP_380:
+		cp = "380"; break;
+	case HP_400:
+		cp = "400"; break;
+	case HP_425:
+		switch (mmuid) {
+		case MMUID_425_T:
+			cp = "425t"; break;
+		case MMUID_425_S:
+			cp = "425s"; break;
+		default:
+			cp = "425"; break;
+		}
+		break;
+	case HP_433:
+		switch (mmuid) {
+		case MMUID_433_T:
+			cp = "433t"; break;
+		case MMUID_433_S:
+			cp = "433s"; break;
+		default:
+			cp = "433"; break;
+		}
+		break;
+	default:
+		cp = "???"; break;
+	}
+	return(cp);
+}
+
+int userom;
+
+struct trapframe {
+	int dregs[8];
+	int aregs[8];
+	int whoknows;
+	short sr;
+	int pc;
+	short frame;
+};
+
+trap(fp)
+	struct trapframe *fp;
+{
+	static int intrap = 0;
+
+	if (intrap)
+		return(0);
+	intrap = 1;
+
+#if 0
+	userom = 1;
+#endif
+
+	printf("Got unexpected trap: format=%x vector=%x ps=%x pc=%x\n",
+		  (fp->frame>>12)&0xF, fp->frame&0xFFF, fp->sr, fp->pc);
+	printf("dregs: %x %x %x %x %x %x %x %x\n",
+	       fp->dregs[0], fp->dregs[1], fp->dregs[2], fp->dregs[3], 
+	       fp->dregs[4], fp->dregs[5], fp->dregs[6], fp->dregs[7]);
+	printf("aregs: %x %x %x %x %x %x %x %x\n",
+	       fp->aregs[0], fp->aregs[1], fp->aregs[2], fp->aregs[3], 
+	       fp->aregs[4], fp->aregs[5], fp->aregs[6], fp->aregs[7]);
+
+#if 0
+	userom = 0;
+#endif
+
+	intrap = 0;
+	return(0);
+}
+
+#define ROWS	24
+#define COLS	80
+
+void
+romputchar(c)
+	int c;
+{
+	static char buf[COLS];
+	static int col = 0, row = 0;
+	int i;
+
+	switch (c) {
+	case '\0':
+		break;
+	case '\r':
+		break;	/* ignore */
+	case '\n':
+		for (i = col; i < COLS-1; i++)
+			buf[i] = ' ';
+		buf[i] = '\0';
+		romout(row, buf);
+		col = 0;
+		if (++row == ROWS)
+			row = 0;
+		break;
+
+	case '\t':
+		do {
+			romputchar(' ');
+		} while (col & 7);
+		break;
+
+	default:
+		buf[col] = c;
+		if (++col == COLS-1)
+			romputchar('\n');
+		break;
+	}
+}
+
+void
+machdep_start(entry, howto, loadaddr, ssym, esym)
+	char *entry;
+	int howto; 
+	char *loadaddr;
+	char *ssym, *esym; 
+{
+	/* Fix what we were passed in from exec() */
+	entry = loadaddr;
+#define	round_to_size(x) (((int)(x) + sizeof(int) - 1) & ~(sizeof(int) - 1))
+	esym = (char *)round_to_size(esym - (char *)loadaddr);
+#undef round_to_size
+
+	__asm __volatile ("movl %0,d7" : : "m" (howto));
+	__asm __volatile ("movl %0,d6" : : "m" (opendev));
+	__asm __volatile ("movl %0,d5" : : "m" (cons_scode));
+	__asm __volatile ("movl %0,a5" : : "a" (loadaddr));
+	__asm __volatile ("movl %0,a4" : : "a" (esym));
+	(*((int (*)())entry))();
+}