Gingold's port for kbus Series5 machine. Not fully finished and not very stable

1 files changed, 141 insertions, 0 deletions

diff --git a/sys/arch/kbus/include/trap.h b/sys/arch/kbus/include/trap.h
new file mode 100644
index 00000000000..86c45589f80
--- /dev/null
+++ b/sys/arch/kbus/include/trap.h
@@ -0,0 +1,141 @@
+/*	$NetBSD: trap.h,v 1.9 1996/05/16 15:57:04 abrown Exp $ */
+
+/*
+ * Copyright (c) 1992, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This software was developed by the Computer Systems Engineering group
+ * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
+ * contributed to Berkeley.
+ *
+ * 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, Lawrence Berkeley Laboratory.
+ *
+ * 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.
+ *
+ *	@(#)trap.h	8.1 (Berkeley) 6/11/93
+ */
+/*
+ * Sun4m support by Aaron Brown, Harvard University.
+ * Changes Copyright (c) 1995 The President and Fellows of Harvard College.
+ * All rights reserved.
+ */
+
+#ifndef	_MACHINE_TRAP_H
+#define	_MACHINE_TRAP_H
+
+/*	trap		vec	  (pri) description	*/
+#define	T_RESET		0x00	/* (1) not actually vectored; jumps to 0 */
+#define	T_TEXTFAULT	0x01	/* (2) address fault during instr fetch */
+#define	T_ILLINST	0x02	/* (3) illegal instruction */
+#define	T_PRIVINST	0x03	/* (4) privileged instruction */
+#define	T_FPDISABLED	0x04	/* (5) fp instr while fp disabled */
+#define	T_WINOF		0x05	/* (6) register window overflow */
+#define	T_WINUF		0x06	/* (7) register window underflow */
+#define	T_ALIGN		0x07	/* (8) address not properly aligned */
+#define	T_FPE		0x08	/* (9) floating point exception */
+#define	T_DATAFAULT	0x09	/* (10) address fault during data fetch */
+#define	T_TAGOF		0x0a	/* (11) tag overflow */
+/*			0x0b	   unused */
+/*			0x0c	   unused */
+/*			0x0d	   unused */
+/*			0x0e	   unused */
+/*			0x0f	   unused */
+/*			0x10	   unused */
+#define	T_L1INT		0x11	/* (27) level 1 interrupt */
+#define	T_L2INT		0x12	/* (26) level 2 interrupt */
+#define	T_L3INT		0x13	/* (25) level 3 interrupt */
+#define	T_L4INT		0x14	/* (24) level 4 interrupt */
+#define	T_L5INT		0x15	/* (23) level 5 interrupt */
+#define	T_L6INT		0x16	/* (22) level 6 interrupt */
+#define	T_L7INT		0x17	/* (21) level 7 interrupt */
+#define	T_L8INT		0x18	/* (20) level 8 interrupt */
+#define	T_L9INT		0x19	/* (19) level 9 interrupt */
+#define	T_L10INT	0x1a	/* (18) level 10 interrupt */
+#define	T_L11INT	0x1b	/* (17) level 11 interrupt */
+#define	T_L12INT	0x1c	/* (16) level 12 interrupt */
+#define	T_L13INT	0x1d	/* (15) level 13 interrupt */
+#define	T_L14INT	0x1e	/* (14) level 14 interrupt */
+#define	T_L15INT	0x1f	/* (13) level 15 interrupt */
+/*			0x20	   unused */
+/*	through		0x23	   unused */
+#define	T_CPDISABLED	0x24	/* (5) coprocessor instr while disabled */
+/*			0x25	   unused */
+/*	through		0x27	   unused */
+#define	T_CPEXCEPTION	0x28	/* (9) coprocessor exception */
+/*			0x29	   unused */
+/*	through		0x2a	   unused */
+#define T_STOREBUFFAULT	0x2b	/* SuperSPARC: Store buffer copy-back fault */
+/*			0x2c	   unused */
+/*	through		0x7f	   unused */
+
+/* beginning of `user' vectors (from trap instructions) - all priority 12 */
+#define	T_SUN_SYSCALL	0x80	/* system call */
+#define	T_BREAKPOINT	0x81	/* breakpoint `instruction' */
+#define	T_DIV0		0x82	/* division routine was handed 0 */
+#define	T_FLUSHWIN	0x83	/* flush windows */
+#define	T_CLEANWIN	0x84	/* provide clean windows */
+#define	T_RANGECHECK	0x85	/* ? */
+#define	T_FIXALIGN	0x86	/* fix up unaligned accesses */
+#define	T_INTOF		0x87	/* integer overflow ? */
+#define	T_SVR4_SYSCALL	0x88	/* SVR4 system call */
+#define	T_BSD_SYSCALL	0x89	/* BSD system call */
+#define	T_KGDB_EXEC	0x8a	/* for kernel gdb */
+
+/* 0x8b..0xff are currently unallocated, except the following */
+#define T_SVR4_GETCC		0xa0
+#define T_SVR4_SETCC		0xa1
+#define T_SVR4_GETPSR		0xa2
+#define T_SVR4_SETPSR		0xa3
+#define T_SVR4_GETHRTIME	0xa4
+#define T_SVR4_GETHRVTIME	0xa5
+#define T_SVR4_GETHRESTIME	0xa7
+
+
+#ifdef _KERNEL			/* pseudo traps for locore.s */
+#define	T_RWRET		-1	/* need first user window for trap return */
+#define	T_AST		-2	/* no-op, just needed reschedule or profile */
+#endif
+
+/* flags to system call (flags in %g1 along with syscall number) */
+#define	SYSCALL_G2RFLAG	0x400	/* on success, return to %g2 rather than npc */
+#define	SYSCALL_G7RFLAG	0x800	/* use %g7 as above (deprecated) */
+
+/*
+ * `software trap' macros to keep people happy (sparc v8 manual says not
+ * to set the upper bits).
+ */
+#define	ST_BREAKPOINT	(T_BREAKPOINT & 0x7f)
+#define	ST_DIV0		(T_DIV0 & 0x7f)
+#define	ST_FLUSHWIN	(T_FLUSHWIN & 0x7f)
+#define	ST_SYSCALL	(T_SUN_SYSCALL & 0x7f)
+
+#endif /* _MACHINE_TRAP_H_ */