Annotation of sys/arch/amd64/include/i82489var.h, Revision 1.1
1.1 ! nbrk 1: /* $NetBSD: i82489var.h,v 1.1 2003/02/26 21:26:10 fvdl Exp $ */
! 2:
! 3: /*-
! 4: * Copyright (c) 1998 The NetBSD Foundation, Inc.
! 5: * All rights reserved.
! 6: *
! 7: * This code is derived from software contributed to The NetBSD Foundation
! 8: * by Frank van der Linden.
! 9: *
! 10: * Redistribution and use in source and binary forms, with or without
! 11: * modification, are permitted provided that the following conditions
! 12: * are met:
! 13: * 1. Redistributions of source code must retain the above copyright
! 14: * notice, this list of conditions and the following disclaimer.
! 15: * 2. Redistributions in binary form must reproduce the above copyright
! 16: * notice, this list of conditions and the following disclaimer in the
! 17: * documentation and/or other materials provided with the distribution.
! 18: * 3. All advertising materials mentioning features or use of this software
! 19: * must display the following acknowledgement:
! 20: * This product includes software developed by the NetBSD
! 21: * Foundation, Inc. and its contributors.
! 22: * 4. Neither the name of The NetBSD Foundation nor the names of its
! 23: * contributors may be used to endorse or promote products derived
! 24: * from this software without specific prior written permission.
! 25: *
! 26: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
! 27: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! 28: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! 29: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
! 30: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! 31: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! 32: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! 33: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! 34: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! 35: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! 36: * POSSIBILITY OF SUCH DAMAGE.
! 37: */
! 38:
! 39: #ifndef _X86_I82489REG_H_
! 40: #define _X86_I82489REG_H_
! 41:
! 42: /*
! 43: * Software definitions belonging to Local APIC driver.
! 44: */
! 45:
! 46: static __inline__ u_int32_t i82489_readreg(int);
! 47: static __inline__ void i82489_writereg(int, u_int32_t);
! 48:
! 49: #ifdef _KERNEL
! 50: extern volatile u_int32_t local_apic[];
! 51: extern volatile u_int32_t lapic_tpr;
! 52: #endif
! 53:
! 54: static __inline__ u_int32_t
! 55: i82489_readreg(reg)
! 56: int reg;
! 57: {
! 58: return *((volatile u_int32_t *)(((volatile u_int8_t *)local_apic)
! 59: + reg));
! 60: }
! 61:
! 62: static __inline__ void
! 63: i82489_writereg(reg, val)
! 64: int reg;
! 65: u_int32_t val;
! 66: {
! 67: *((volatile u_int32_t *)(((volatile u_int8_t *)local_apic) + reg)) = val;
! 68: }
! 69:
! 70: #define lapic_cpu_number() (i82489_readreg(LAPIC_ID)>>LAPIC_ID_SHIFT)
! 71:
! 72: /*
! 73: * "spurious interrupt vector"; vector used by interrupt which was
! 74: * aborted because the CPU masked it after it happened but before it
! 75: * was delivered.. "Oh, sorry, i caught you at a bad time".
! 76: * Low-order 4 bits must be all ones.
! 77: */
! 78: extern void Xintrspurious(void);
! 79: #define LAPIC_SPURIOUS_VECTOR 0xef
! 80:
! 81: /*
! 82: * Vector used for inter-processor interrupts.
! 83: */
! 84: extern void Xintr_lapic_ipi(void);
! 85: extern void Xrecurse_lapic_ipi(void);
! 86: extern void Xresume_lapic_ipi(void);
! 87: #define LAPIC_IPI_VECTOR 0xe0
! 88:
! 89: /*
! 90: * We take 0xf0-0xfe for fast IPI handlers.
! 91: */
! 92: #define LAPIC_IPI_OFFSET 0xf0
! 93: #define LAPIC_IPI_INVLTLB (LAPIC_IPI_OFFSET + 0)
! 94: #define LAPIC_IPI_INVLPG (LAPIC_IPI_OFFSET + 1)
! 95: #define LAPIC_IPI_INVLRANGE (LAPIC_IPI_OFFSET + 2)
! 96:
! 97: extern void Xipi_invltlb(void);
! 98: extern void Xipi_invlpg(void);
! 99: extern void Xipi_invlrange(void);
! 100:
! 101: /*
! 102: * Vector used for local apic timer interrupts.
! 103: */
! 104:
! 105: extern void Xintr_lapic_ltimer(void);
! 106: extern void Xresume_lapic_ltimer(void);
! 107: extern void Xrecurse_lapic_ltimer(void);
! 108: #define LAPIC_TIMER_VECTOR 0xc0
! 109:
! 110: /*
! 111: * 'pin numbers' for local APIC
! 112: */
! 113: #define LAPIC_PIN_TIMER 0
! 114: #define LAPIC_PIN_PCINT 2
! 115: #define LAPIC_PIN_LVINT0 3
! 116: #define LAPIC_PIN_LVINT1 4
! 117: #define LAPIC_PIN_LVERR 5
! 118:
! 119: extern void Xintr_lapic0(void);
! 120: extern void Xintr_lapic2(void);
! 121: extern void Xintr_lapic3(void);
! 122: extern void Xintr_lapic4(void);
! 123: extern void Xintr_lapic5(void);
! 124:
! 125:
! 126: struct cpu_info;
! 127:
! 128: extern void lapic_boot_init(paddr_t);
! 129: extern void lapic_set_lvt(void);
! 130: extern void lapic_enable(void);
! 131: extern void lapic_calibrate_timer(struct cpu_info *ci);
! 132: extern void lapic_initclocks(void);
! 133:
! 134: #endif
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