intreg.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_INTREG_H
#define _SYS_INTREG_H
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/machintreg.h>
#ifdef __cplusplus
extern "C" {
#endif
#define INO_SIZE 6 /* Interrupt Number Offset bit size */
#define INR_SIZE (IGN_SIZE + INO_SIZE) /* Interrupt Number bit size */
#define MAX_IGN (1 << IGN_SIZE) /* max Interrupt Group Number size */
#define MAX_INO (1 << INO_SIZE) /* max Interrupt Number per group */
/*
* MAX_SOFT_INO: Need two softints per cpu for cyclics plus some for
* miscellaneous system use.
*/
#define MAX_SOFT_INO ((NCPU * 2) + 192)
#define SOFTIVNUM (MAX_IGN * MAX_INO)
#define MAXIVNUM (MAX_IGN * MAX_INO + MAX_SOFT_INO)
/*
* Interrupt State Machine
* Each interrupt source has a 2-bit state machine which ensures that
* software sees exactly one interrupt packet per assertion of the
* interrupt signal.
*/
#define ISM_IDLE 0x0 /* not asserted or pending */
#define ISM_TRANSMIT 0x1 /* asserted but is not dispatched */
#define ISM_PENDING 0x2 /* dispatched to a processor or is in transit */
/*
* Per-Processor Soft Interrupt Register
* XXX use %asr when the new assembler supports them
*/
#define SET_SOFTINT %asr20 /* ASR 0x14 */
#define CLEAR_SOFTINT %asr21 /* ASR 0x15 */
#define SOFTINT %asr22 /* ASR 0x16 */
#define SOFTINT_MASK 0xFFFE /* <15:1> */
#define TICK_INT_MASK 0x1 /* <0> */
#define STICK_INT_MASK 0x10000 /* <0> */
/*
* Per-Processor TICK Register and TICK_Compare registers
*
*/
#define TICK_COMPARE %asr23 /* ASR 0x17 */
#define STICK %asr24 /* ASR 0x18 */
#define STICK_COMPARE %asr25 /* ASR 0x19 */
#define TICKINT_DIS_SHFT 0x3f
#ifndef _ASM
/*
* Interrupt Packet (mondo)
*/
struct intr_packet {
uint64_t intr_data0; /* can be an interrupt number or a pc */
uint64_t intr_data1;
uint64_t intr_data2;
};
/*
* Leftover bogus stuff; removed them later
*/
struct cpu_intreg {
uint_t pend;
uint_t clr_pend;
uint_t set_pend;
uchar_t filler[0x1000 - 0xc];
};
struct sys_intreg {
uint_t sys_pend;
uint_t sys_m;
uint_t sys_mclear;
uint_t sys_mset;
uint_t itr;
};
#endif /* _ASM */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_INTREG_H */