Rev 268 | Rev 512 | Go to most recent revision | Blame | Compare with Previous | Last modification | View Log | Download | RSS feed
/*
* Copyright (C) 2001-2004 Jakub Jermar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - 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.
* - 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.
*/
#ifndef __APIC_H__
#define __APIC_H__
#include <arch/types.h>
#include <cpu.h>
#define FIXED (0<<0)
#define LOPRI (1<<0)
/* local APIC macros */
#define IPI_INIT 0
#define IPI_STARTUP 0
#define DLVRMODE_FIXED (0<<8)
#define DLVRMODE_INIT (5<<8)
#define DLVRMODE_STUP (6<<8)
#define DESTMODE_PHYS (0<<11)
#define DESTMODE_LOGIC (1<<11)
#define LEVEL_ASSERT (1<<14)
#define LEVEL_DEASSERT (0<<14)
#define TRGRMODE_LEVEL (1<<15)
#define TRGRMODE_EDGE (0<<15)
#define SHORTHAND_DEST (0<<18)
#define SHORTHAND_INCL (2<<18)
#define SHORTHAND_EXCL (3<<18)
#define SEND_PENDING (1<<12)
/* Interrupt Command Register */
#define ICRlo (0x300/sizeof(__u32))
#define ICRhi (0x310/sizeof(__u32))
#define ICRloClear ((1<<13)|(3<<16)|(0xfff<<20))
#define ICRhiClear (0xffffff<<0)
/* End Of Interrupt */
#define EOI (0x0b0/sizeof(__u32))
/* Error Status Register */
#define ESR (0x280/sizeof(__u32))
#define ESRClear ((0xffffff<<8)|(1<<4))
/* Task Priority Register */
#define TPR (0x080/sizeof(__u32))
#define TPRClear 0xffffff00
/* Spurious Vector Register */
#define SVR (0x0f0/sizeof(__u32))
#define SVRClear (~0x3f0)
/* Time Divide Configuratio Register */
#define TDCR (0x3e0/sizeof(__u32))
#define TDCRClear (~0xb)
/* Initial Count Register for Timer */
#define ICRT (0x380/sizeof(__u32))
/* Current Count Register for Timer */
#define CCRT (0x390/sizeof(__u32))
/* LVT */
#define LVT_Tm (0x320/sizeof(__u32))
#define LVT_LINT0 (0x350/sizeof(__u32))
#define LVT_LINT1 (0x360/sizeof(__u32))
#define LVT_Err (0x370/sizeof(__u32))
#define LVT_PCINT (0x340/sizeof(__u32))
/* Local APIC ID Register */
#define L_APIC_ID (0x020/sizeof(__u32))
#define L_APIC_IDClear (~(0xf<<24))
#define L_APIC_IDShift 24
#define L_APIC_IDMask 0xf
/* Local APIC Version Register */
#define LAVR (0x030/sizeof(__u32))
#define LAVR_Mask 0xff
#define is_local_apic(x) (((x)&LAVR_Mask&0xf0)==0x1)
#define is_82489DX_apic(x) ((((x)&LAVR_Mask&0xf0)==0x0))
#define is_local_xapic(x) (((x)&LAVR_Mask)==0x14)
/* IO APIC */
#define IOREGSEL (0x00/sizeof(__u32))
#define IOWIN (0x10/sizeof(__u32))
#define IOAPICID 0x00
#define IOAPICVER 0x01
#define IOAPICARB 0x02
#define IOREDTBL 0x10
extern volatile __u32 *l_apic;
extern volatile __u32 *io_apic;
extern __u32 apic_id_mask;
extern void apic_init(void);
extern void apic_spurious(__u8 n, __native stack[]);
extern void l_apic_init(void);
extern void l_apic_eoi(void);
extern int l_apic_broadcast_custom_ipi(__u8 vector);
extern int l_apic_send_init_ipi(__u8 apicid);
extern void l_apic_debug(void);
extern void l_apic_timer_interrupt(__u8 n, __native stack[]);
extern __u8 l_apic_id(void);
extern __u32 io_apic_read(__u8 address);
extern void io_apic_write(__u8 address , __u32 x);
extern void io_apic_change_ioredtbl(int signal, int dest, __u8 v, int flags);
extern void io_apic_disable_irqs(__u16 irqmask);
extern void io_apic_enable_irqs(__u16 irqmask);
#endif