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- add missing file apic.h

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git-svn-id: http://svn.lfbs.rwth-aachen.de/svn/scc/trunk/MetalSVM@208 315a16e6-25f9-4109-90ae-ca3045a26c18
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stefan 2010-10-27 10:18:46 +00:00
parent 94406fc740
commit 3570166889
1 changed files with 81 additions and 0 deletions
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81
arch/x86/include/asm/apic.h Normal file
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/*
* Copyright 2010 Stefan Lankes, Chair for Operating Systems,
* RWTH Aachen University
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* This file is part of MetalSVM.
*/
#ifndef __ARCH_APIC_H__
#define __ARCH_APIC_H__
#include <metalsvm/stddef.h>
#ifdef __cplusplus
extern "C" {
#endif
/* MP Floating Pointer Structure */
typedef struct {
uint32_t signature;
uint32_t mp_config;
uint8_t length;
uint8_t version;
uint8_t checksum;
uint8_t features[5];
} __attribute__ ((packed)) apic_mp_t;
/* MP Configuration Table */
typedef struct {
uint32_t signature;
uint16_t length;
uint8_t revision;
uint8_t checksum;
uint8_t oem_id[8];
uint8_t product_id[12];
uint32_t oem_table;
uint16_t oem_table_size;
uint16_t entry_count;
uint32_t lapic;
uint16_t extended_table_length;
uint8_t extended_table_checksum;
} __attribute__ ((packed)) apic_config_table_t;
/* APIC Processor Entry */
typedef struct {
uint8_t type;
uint8_t id;
uint8_t version;
uint8_t cpu;
uint32_t cpu_signature;
uint32_t cpu_feature;
} __attribute__ ((packed)) apic_processor_entry_t;
/* IO APIC Entry */
typedef struct {
uint8_t type;
uint8_t id;
uint8_t version;
uint8_t enabled;
uint32_t addr;
} __attribute__ ((packed)) apic_io_entry_t;
int apic_init(void);
int has_apic(void);
#ifdef __cplusplus
}
#endif
#endif