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Diffstat (limited to 'tools/ioemu/hw/ioapic.h')
| -rw-r--r-- | tools/ioemu/hw/ioapic.h | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/tools/ioemu/hw/ioapic.h b/tools/ioemu/hw/ioapic.h new file mode 100644 index 0000000000..a243b7f59d --- /dev/null +++ b/tools/ioemu/hw/ioapic.h @@ -0,0 +1,128 @@ +///////////////////////////////////////////////////////////////////////// +// +// Copyright (C) 2001 MandrakeSoft S.A. +// +// MandrakeSoft S.A. +// 43, rue d'Aboukir +// 75002 Paris - France +// http://www.linux-mandrake.com/ +// http://www.mandrakesoft.com/ +// +// This library is free software; you can redistribute it and/or +// modify it under the terms of the GNU Lesser General Public +// License as published by the Free Software Foundation; either +// version 2 of the License, or (at your option) any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// Lesser General Public License for more details. +// +// You should have received a copy of the GNU Lesser General Public +// License along with this library; if not, write to the Free Software +// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +// + +#ifndef __IOAPIC_H +#define __IOAPIC_H + +#include "xc.h" +#include <io/ioreq.h> +#include <io/vmx_vlapic.h> + +#define IOAPIC_NUM_PINS 24 +#define IOAPIC_VERSION_ID 0x11 +#define IOAPIC_LEVEL_TRIGGER 1 +#define APIC_DM_FIXED 0 +#define APIC_DM_LOWPRI 1 + + + +#ifdef CONFIG_SMP +#define LOCK_PREFIX "lock ; " +#else +#define LOCK_PREFIX "" +#endif + +#ifdef __I386__ +#define __OS "q" +#define __OP "r" +#else +#define __OS "l" /* Operation Suffix */ +#define __OP "e" /* Operand Prefix */ +#endif + +#define ADDR (*(volatile long *) addr) +#if 0 +#endif +extern void *shared_page; +extern FILE *logfile; +#ifdef __BIGENDIAN__ +typedef union RedirStatus +{ + uint64_t value; + struct { + uint8_t dest_id; + uint8_t reserved[4]; + uint8_t reserve:7; + uint8_t mask:1; /* interrupt mask*/ + uint8_t trigmod:1; + uint8_t remoteirr:1; + uint8_t polarity:1; + uint8_t delivestatus:1; + uint8_t destmode:1; + uint8_t deliver_mode:3; + uint8_t vector; + }RedirForm; +}RedirStatus; +#else +typedef union RedirStatus +{ + uint64_t value; + struct { + uint8_t vector; + uint8_t deliver_mode:3; + uint8_t destmode:1; + uint8_t delivestatus:1; + uint8_t polarity:1; + uint8_t remoteirr:1; + uint8_t trigmod:1; + uint8_t mask:1; /* interrupt mask*/ + uint8_t reserve:7; + uint8_t reserved[4]; + uint8_t dest_id; + }RedirForm; +}RedirStatus; +#endif +/* + * IOAPICState stands for a instance of a IOAPIC + */ + +/* FIXME tmp before working with Local APIC */ +#define IOAPIC_MEM_LENGTH 0x100 +#define IOAPIC_ENABLE_MASK 0x0 +#define IOAPIC_ENABLE_FLAG (1 << IOAPIC_ENABLE_MASK) +#define MAX_LAPIC_NUM 32 + +struct IOAPICState{ + uint32_t INTR; + uint32_t id; + uint32_t arb_id; + uint32_t flags; + unsigned long base_address; + uint32_t irr; + uint32_t isr; /* This is used for level trigger */ + uint8_t vector_irr[256]; + RedirStatus redirtbl[IOAPIC_NUM_PINS]; + uint32_t ioregsel; + uint32_t lapic_count; + vlapic_info *lapic_info[MAX_LAPIC_NUM]; +}; +#define IOAPIC_REG_APIC_ID 0x0 +#define IOAPIC_REG_VERSION 0x1 +#define IOAPIC_REG_ARB_ID 0x2 +#define IOAPICEnabled(s) (s->flags & IOAPIC_ENABLE_FLAG) + +typedef struct IOAPICState IOAPICState; + +#endif |