117 lines
2.8 KiB
C
117 lines
2.8 KiB
C
/*
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* Copyright 2008, Dustin Howett, dustin.howett@gmail.com. All rights reserved.
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* Copyright 2005, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
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* Distributed under the terms of the MIT License.
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*
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* Copyright 2001-2002, Travis Geiselbrecht. All rights reserved.
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* Distributed under the terms of the NewOS License.
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*/
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#ifndef _KERNEL_ARCH_x86_ARCH_SMP_H
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#define _KERNEL_ARCH_x86_ARCH_SMP_H
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#define MP_FLOATING_SIGNATURE '_PM_'
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#define MP_CONFIG_TABLE_SIGNATURE 'PCMP'
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/*
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#define IPI_CACHE_FLUSH 0x40
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#define IPI_INV_TLB 0x41
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#define IPI_INV_PTE 0x42
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#define IPI_INV_RESCHED 0x43
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#define IPI_STOP 0x44
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*/
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struct mp_config_table {
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uint32 signature; /* "PCMP" */
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uint16 base_table_length; /* length of the base table entries and this structure */
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uint8 spec_revision; /* spec supported, 1 for 1.1 or 4 for 1.4 */
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uint8 checksum; /* checksum, all bytes add up to zero */
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char oem[8]; /* oem identification, not null-terminated */
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char product[12]; /* product name, not null-terminated */
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void *oem_table; /* addr of oem-defined table, zero if none */
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uint16 oem_length; /* length of oem table */
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uint16 num_base_entries; /* number of entries in base table */
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uint32 apic; /* address of apic */
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uint16 ext_length; /* length of extended section */
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uint8 ext_checksum; /* checksum of extended table entries */
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uint8 reserved;
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};
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struct mp_floating_struct {
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uint32 signature; /* "_MP_" */
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struct mp_config_table *config_table; /* address of mp configuration table */
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uint8 config_length; /* length of the table in 16-byte units */
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uint8 spec_revision; /* spec supported, 1 for 1.1 or 4 for 1.4 */
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uint8 checksum; /* checksum, all bytes add up to zero */
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uint8 mp_feature_1; /* mp system configuration type if no mpc */
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uint8 mp_feature_2; /* imcrp */
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uint8 mp_feature_3, mp_feature_4, mp_feature_5; /* reserved */
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};
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/* base config entry types */
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enum {
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MP_BASE_PROCESSOR = 0,
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MP_BASE_BUS,
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MP_BASE_IO_APIC,
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MP_BASE_IO_INTR,
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MP_BASE_LOCAL_INTR,
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};
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struct mp_base_processor {
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uint8 type;
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uint8 apic_id;
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uint8 apic_version;
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uint8 cpu_flags;
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uint32 signature; /* stepping, model, family, each four bits */
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uint32 feature_flags;
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uint32 res1, res2;
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};
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struct mp_base_ioapic {
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uint8 type;
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uint8 ioapic_id;
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uint8 ioapic_version;
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uint8 ioapic_flags;
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uint32 *addr;
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};
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struct mp_base_bus {
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uint8 type;
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uint8 bus_id;
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char name[6];
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};
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struct mp_base_interrupt {
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uint8 type;
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uint8 interrupt_type;
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uint16 polarity : 2;
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uint16 trigger_mode : 2;
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uint16 _reserved : 12;
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uint8 source_bus_id;
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uint8 source_bus_irq;
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uint8 dest_apic_id;
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uint8 dest_apic_int;
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};
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enum {
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MP_INTR_TYPE_INT = 0,
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MP_INTR_TYPE_NMI,
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MP_INTR_TYPE_SMI,
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MP_INTR_TYPE_ExtINT,
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};
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#ifdef __cplusplus
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extern "C" {
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#endif
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uint32 x86_get_cpu_apic_id(int32 cpu);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _KERNEL_ARCH_x86_ARCH_SMP_H */
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