smp_priv.h

newos is new operation system

/* 
** Copyright 2001-2002, Travis Geiselbrecht. All rights reserved.
** Distributed under the terms of the NewOS License.
*/
#ifndef _NEWOS_KERNEL_ARCH_I386_SMP_PRIV_H
#define _NEWOS_KERNEL_ARCH_I386_SMP_PRIV_H

#include <kernel/arch/timer.h>

int i386_smp_interrupt(int vector);
void arch_smp_ack_interrupt(void);
int arch_smp_set_apic_timer(bigtime_t relative_timeout, int type);
int arch_smp_clear_apic_timer(void);

#define MP_FLT_SIGNATURE '_PM_'
#define MP_CTH_SIGNATURE 'PCMP'

#define APIC_DM_INIT       (5 << 8)
#define APIC_DM_STARTUP    (6 << 8)
#define APIC_LEVEL_TRIG    (1 << 14)
#define APIC_ASSERT        (1 << 13)

#define APIC_ENABLE        0x100
#define APIC_FOCUS         (~(1 << 9))
#define APIC_SIV           (0xff)

#define APIC_ID            ((unsigned int *) ((unsigned int) apic + 0x020))
#define APIC_VERSION       ((unsigned int *) ((unsigned int) apic + 0x030))
#define APIC_TPRI          ((unsigned int *) ((unsigned int) apic + 0x080))
#define APIC_EOI           ((unsigned int *) ((unsigned int) apic + 0x0b0))
#define APIC_SIVR          ((unsigned int *) ((unsigned int) apic + 0x0f0))
#define APIC_ESR           ((unsigned int *) ((unsigned int) apic + 0x280))
#define APIC_ICR1          ((unsigned int *) ((unsigned int) apic + 0x300))
#define APIC_ICR2          ((unsigned int *) ((unsigned int) apic + 0x310))
#define APIC_LVTT          ((unsigned int *) ((unsigned int) apic + 0x320))
#define APIC_LINT0         ((unsigned int *) ((unsigned int) apic + 0x350))
#define APIC_LVT3          ((unsigned int *) ((unsigned int) apic + 0x370))
#define APIC_ICRT          ((unsigned int *) ((unsigned int) apic + 0x380))
#define APIC_CCRT          ((unsigned int *) ((unsigned int) apic + 0x390))
#define APIC_TDCR          ((unsigned int *) ((unsigned int) apic + 0x3e0))

#define APIC_ICR1_WRITE_MASK    0xfff3f000
#define APIC_ICR1_DELMODE_FIXED 0
#define APIC_ICR1_DELMODE_LOWESTPRI (1 << 8)
#define APIC_ICR1_DESTMODE_LOG (1 << 11)
#define APIC_ICR1_DESTMODE_PHYS 0

#define APIC_ICR1_READ_MASK     0xfff32000
#define APIC_ICR1_DELSTATUS (1 << 12)

#define APIC_ICR1_DEST_FIELD          (0)
#define APIC_ICR1_DEST_SELF           (1 << 18)
#define APIC_ICR1_DEST_ALL            (2 << 18)
#define APIC_ICR1_DEST_ALL_BUT_SELF   (3 << 18)



#define APIC_ICR2_MASK     0x00ffffff

#define APIC_TDCR_2        0x00
#define APIC_TDCR_4        0x01
#define APIC_TDCR_8        0x02
#define APIC_TDCR_16       0x03
#define APIC_TDCR_32       0x08
#define APIC_TDCR_64       0x09
#define APIC_TDCR_128      0x0a
#define APIC_TDCR_1        0x0b

#define APIC_LVTT_MASK     0x000310ff
#define APIC_LVTT_VECTOR   0x000000ff
#define APIC_LVTT_DS       0x00001000
#define APIC_LVTT_M        0x00010000
#define APIC_LVTT_TM       0x00020000

#define APIC_LVT_DM        0x00000700
#define APIC_LVT_IIPP      0x00002000
#define APIC_LVT_TM        0x00008000
#define APIC_LVT_M         0x00010000
#define APIC_LVT_OS        0x00020000

#define APIC_TPR_PRIO      0x000000ff
#define APIC_TPR_INT       0x000000f0
#define APIC_TPR_SUB       0x0000000f

#define APIC_SVR_SWEN      0x00000100
#define APIC_SVR_FOCUS     0x00000200

#define APIC_DEST_STARTUP  0x00600

#define LOPRIO_LEVEL       0x00000010

#define IOAPIC_ID          0x0
#define IOAPIC_VERSION     0x1
#define IOAPIC_ARB         0x2
#define IOAPIC_REDIR_TABLE 0x10

#define IPI_CACHE_FLUSH    0x40
#define IPI_INV_TLB        0x41
#define IPI_INV_PTE        0x42
#define IPI_INV_RESCHED    0x43
#define IPI_STOP           0x44

#define MP_EXT_PE          0
#define MP_EXT_BUS         1
#define MP_EXT_IO_APIC     2
#define MP_EXT_IO_INT      3
#define MP_EXT_LOCAL_INT   4

#define MP_EXT_PE_LEN          20
#define MP_EXT_BUS_LEN         8
#define MP_EXT_IO_APIC_LEN     8
#define MP_EXT_IO_INT_LEN      8
#define MP_EXT_LOCAL_INT_LEN   8

struct mp_config_table {
	unsigned int signature;       /* "PCMP" */
	unsigned short table_len;     /* length of this structure */
	unsigned char mp_rev;         /* spec supported, 1 for 1.1 or 4 for 1.4 */
	unsigned char checksum;       /* checksum, all bytes add up to zero */
	char oem[8];                  /* oem identification, not null-terminated */
	char product[12];             /* product name, not null-terminated */
	void *oem_table_ptr;          /* addr of oem-defined table, zero if none */
	unsigned short oem_len;       /* length of oem table */
	unsigned short num_entries;   /* number of entries in base table */
	unsigned int apic;            /* address of apic */
	unsigned short ext_len;       /* length of extended section */
	unsigned char ext_checksum;   /* checksum of extended table entries */
};

struct mp_flt_struct {
	unsigned int signature;       /* "_MP_" */
	struct mp_config_table *mpc;  /* address of mp configuration table */
	unsigned char mpc_len;        /* length of this structure in 16-byte units */
	unsigned char mp_rev;         /* spec supported, 1 for 1.1 or 4 for 1.4 */
	unsigned char checksum;       /* checksum, all bytes add up to zero */
	unsigned char mp_feature_1;   /* mp system configuration type if no mpc */
	unsigned char mp_feature_2;   /* imcrp */
	unsigned char mp_feature_3, mp_feature_4, mp_feature_5; /* reserved */
};

struct mp_ext_pe
{
	unsigned char type;
	unsigned char apic_id;
	unsigned char apic_version;
	unsigned char cpu_flags;
	unsigned int signature;       /* stepping, model, family, each four bits */
	unsigned int feature_flags;
	unsigned int res1, res2;
};

struct mp_ext_ioapic
{
	unsigned char type;
	unsigned char ioapic_id;
	unsigned char ioapic_version;
	unsigned char ioapic_flags;
	unsigned int *addr;
};

#endif