debranch SMP, have fun

1 files changed, 113 insertions, 0 deletions

diff --git a/sys/arch/i386/include/i82489var.h b/sys/arch/i386/include/i82489var.h
new file mode 100644
index 00000000000..3c4632872ce
--- /dev/null
+++ b/sys/arch/i386/include/i82489var.h
@@ -0,0 +1,113 @@
+/*	$OpenBSD: i82489var.h,v 1.2 2004/06/13 21:49:16 niklas Exp $	*/
+/*	$NetBSD: i82489var.h,v 1.1.2.2 2000/02/21 18:46:14 sommerfeld Exp $	*/
+
+/*-
+ * Copyright (c) 1998 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Frank van der Linden.
+ *
+ * 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 NetBSD
+ *	Foundation, Inc. and its contributors.
+ * 4. Neither the name of The NetBSD Foundation 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
+ */
+
+#ifndef _I386_I82489VAR_H_
+#define _I386_I82489VAR_H_
+
+static __inline__ u_int32_t i82489_readreg(int);
+static __inline__ void i82489_writereg(int, u_int32_t);
+
+#ifdef _KERNEL
+extern volatile u_int32_t local_apic[];
+#endif
+
+static __inline__ u_int32_t
+i82489_readreg(reg)
+	int reg;
+{
+	return *((volatile u_int32_t *)(((volatile u_int8_t *)local_apic)
+	    + reg));
+}
+
+static __inline__ void
+i82489_writereg(reg, val)
+	int reg;
+	u_int32_t val;
+{
+	*((volatile u_int32_t *)(((volatile u_int8_t *)local_apic) + reg)) =
+	    val;
+}
+
+/*
+ * "spurious interrupt vector"; vector used by interrupt which was
+ * aborted because the CPU masked it after it happened but before it
+ * was delivered.. "Oh, sorry, i caught you at a bad time".
+ * Low-order 4 bits must be all ones.
+ */
+extern void i386_spurious(void);
+extern void Xintrspurious(void);
+#define LAPIC_SPURIOUS_VECTOR		0xef
+
+/*
+ * Vector used for inter-processor interrupts.
+ */
+extern void Xintripi(void);
+#define LAPIC_IPI_VECTOR		IPL_IPI
+
+/*
+ * Vector used for local apic timer interrupts.
+ */
+
+extern void Xintrltimer(void);
+#define LAPIC_TIMER_VECTOR		IPL_CLOCK
+
+/*
+ * Vectors to be used for self-soft-interrupts.
+ */
+
+#define LAPIC_SOFTCLOCK_VECTOR		IPL_SOFTCLOCK
+#define LAPIC_SOFTNET_VECTOR		IPL_SOFTNET
+#define LAPIC_SOFTTTY_VECTOR		IPL_SOFTTTY
+
+extern void Xintrsoftclock(void);
+extern void Xintrsoftnet(void);
+extern void Xintrsofttty(void);
+
+extern void (*apichandler[])(void);
+
+struct cpu_info;
+
+extern void lapic_boot_init(paddr_t);
+extern void lapic_initclocks(void);
+extern void lapic_set_lvt(void);
+extern void lapic_set_softvectors(void);
+extern void lapic_enable(void);
+extern void lapic_calibrate_timer(struct cpu_info *);
+
+#endif