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📄 openpicreg.h(4.52 KB)
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Editing: openpicreg.h

/*-
 * SPDX-License-Identifier: BSD-3-Clause
 *
 * Copyright (c) 2000 Tsubai Masanari.  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.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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 NetBSD: openpicreg.h,v 1.3 2001/08/30 03:08:52 briggs Exp
 * $FreeBSD$
 */

/*
 * Size of OpenPIC register space
 */
#define	OPENPIC_SIZE			0x40000

/*
 * Per Processor Registers [private access] (0x00000 - 0x00fff)
 */

/* IPI dispatch command reg */
#define	OPENPIC_IPI_DISPATCH(ipi)	(0x40 + (ipi) * 0x10)

/* current task priority reg */
#define	OPENPIC_TPR			0x80
#define  OPENPIC_TPR_MASK			0x0000000f

#define	OPENPIC_WHOAMI			0x90

/* interrupt acknowledge reg */
#define	OPENPIC_IACK			0xa0

/* end of interrupt reg */
#define	OPENPIC_EOI			0xb0

/*
 * Global registers (0x01000-0x0ffff)
 */

/* feature reporting reg 0 */
#define OPENPIC_FEATURE			0x1000
#define	 OPENPIC_FEATURE_VERSION_MASK		0x000000ff
#define	 OPENPIC_FEATURE_LAST_CPU_MASK		0x00001f00
#define	 OPENPIC_FEATURE_LAST_CPU_SHIFT		8
#define	 OPENPIC_FEATURE_LAST_IRQ_MASK		0x07ff0000
#define	 OPENPIC_FEATURE_LAST_IRQ_SHIFT		16

/* global config reg 0 */
#define OPENPIC_CONFIG			0x1020
#define  OPENPIC_CONFIG_RESET			0x80000000
#define  OPENPIC_CONFIG_8259_PASSTHRU_DISABLE	0x20000000

/* interrupt configuration mode (direct or serial) */
#define OPENPIC_ICR			0x1030
#define  OPENPIC_ICR_SERIAL_MODE		(1 << 27)
#define  OPENPIC_ICR_SERIAL_RATIO_MASK		(0x7 << 28)
#define  OPENPIC_ICR_SERIAL_RATIO_SHIFT		28

/* vendor ID */
#define OPENPIC_VENDOR_ID		0x1080

/* processor initialization reg */
#define OPENPIC_PROC_INIT		0x1090

/* IPI vector/priority reg */
#define OPENPIC_IPI_VECTOR(ipi)		(0x10a0 + (ipi) * 0x10)

/* spurious intr. vector */
#define OPENPIC_SPURIOUS_VECTOR		0x10e0

/* Timer registers */
#define	OPENPIC_TIMERS			4
#define	OPENPIC_TFREQ			0x10f0
#define	OPENPIC_TCNT(t)			(0x1100 + (t) * 0x40)
#define	OPENPIC_TBASE(t)		(0x1110 + (t) * 0x40)
#define	OPENPIC_TVEC(t)			(0x1120 + (t) * 0x40)
#define	OPENPIC_TDST(t)			(0x1130 + (t) * 0x40)

/*
 * Interrupt Source Configuration Registers (0x10000 - 0x1ffff)
 */

/* interrupt vector/priority reg */
#define OPENPIC_SRC_VECTOR_COUNT	64
#ifndef OPENPIC_SRC_VECTOR
#define OPENPIC_SRC_VECTOR(irq)		(0x10000 + (irq) * 0x20)
#endif
#define  OPENPIC_SENSE_LEVEL			0x00400000
#define  OPENPIC_SENSE_EDGE			0x00000000
#define  OPENPIC_POLARITY_POSITIVE		0x00800000
#define  OPENPIC_POLARITY_NEGATIVE		0x00000000
#define  OPENPIC_IMASK				0x80000000
#define  OPENPIC_ACTIVITY			0x40000000
#define  OPENPIC_PRIORITY_MASK			0x000f0000
#define  OPENPIC_PRIORITY_SHIFT			16
#define  OPENPIC_VECTOR_MASK			0x000000ff

/* interrupt destination cpu */
#ifndef OPENPIC_IDEST
#define OPENPIC_IDEST(irq)		(0x10010 + (irq) * 0x20)
#endif

/*
 * Per Processor Registers [global access] (0x20000 - 0x3ffff)
 */

#define	OPENPIC_PCPU_BASE(cpu)		(0x20000 + (cpu) * 0x1000)

#define	OPENPIC_PCPU_IPI_DISPATCH(cpu, ipi)	\
	(OPENPIC_PCPU_BASE(cpu) + OPENPIC_IPI_DISPATCH(ipi))

#define	OPENPIC_PCPU_TPR(cpu)		\
	(OPENPIC_PCPU_BASE(cpu) + OPENPIC_TPR)

#define	OPENPIC_PCPU_WHOAMI(cpu)		\
	(OPENPIC_PCPU_BASE(cpu) + OPENPIC_WHOAMI)

#define OPENPIC_PCPU_IACK(cpu)			\
	(OPENPIC_PCPU_BASE(cpu) + OPENPIC_IACK)

#define OPENPIC_PCPU_EOI(cpu)			\
	(OPENPIC_PCPU_BASE(cpu) + OPENPIC_EOI)

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Editing: openpicreg.h

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