;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
; RDOS operating system
; Copyright (C) 1988-2010, Leif Ekblad
;
; This program is free software; you can redistribute it and/or modify
; it under the terms of the GNU General Public License as published by
; the Free Software Foundation; either version 2 of the License, or
; (at your option) any later version. The only exception to this rule
; is for commercial usage in embedded systems. For information on
; usage in commercial embedded systems, contact embedded@rdos.net
;
; This program 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 General Public License for more details.
;
; You should have received a copy of the GNU General Public License
; along with this program; if not, write to the Free Software
; Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
;
; The author of this program may be contacted at leif@rdos.net
;
; Core.inc
; Core struc
;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

CS_FLAG_PREEMPT        = 1
CS_FLAG_PRIO_CHANGE    = 2
CS_FLAG_TIMER_EXPIRED  = 4
CS_FLAG_NMI            = 8
CS_FLAG_INIT_CLOCK     = 10h
CS_FLAG_ACTIVE         = 20h
CS_FLAG_LOADING        = 80h
CS_FLAG_FPU            = 100h
CS_FLAG_P_STATE        = 200h
CS_FLAG_SHUTDOWN       = 400h
CS_FLAG_MOVE           = 800h
CS_FLAG_LONG_MODE      = 1000h
CS_FLAG_SAVED          = 2000h

timer_struc     STRUC

timer_next              DW ?
timer_sel               DW ?
timer_lsb               DD ?
timer_msb               DD ?
timer_offset    DD ?
timer_id                DD ?
timer_owner             DW ?

timer_struc     ENDS

core_tlb32_struc        STRUC

pt32_locked     DD ?
pt32_used       DD ?
pt32_linear_arr DD 32 DUP(?)

core_tlb32_struc        ENDS

MAX_IRQ_NESTING     = 64
CORE_LOG_ENTRIES    = 200h
CORE_WAKEUP_ENTRIES = 64

core_seg   STRUC

cs_base_data            core_base_struc <>    ; this must be first!

cs_wakeup_count         DW ?

cs_id                   DW ?
cs_processor            DW ?

cs_sched_count          DW ?
cs_log_count            DW ?
cs_log_sel              DW ?
cs_log_entry            DW ?

cs_stack_offset         DD ?
cs_stack_sel            DW ?
cs_flags                DD ?

cs_nesting              DW ?
cs_curr_thread          DW ?
cs_last_thread          DW ?
cs_null_thread          DW ?
cs_math_thread          DW ?

cs_gdt_base             DD ?
cs_gdt_size             DW ?

cs_apic                 DD ?
cs_acpi                 DB ?
cs_pad1                 DB ?

cs_dump_offset          DW ?

cs_preempt_lsb          DD ?
cs_preempt_msb          DD ?

cs_last_lsb             DD ?

; TSC timer support

cs_system_time          DD ?,?
cs_tsc_guard            DD ?
cs_last_tsc             DD ?

cs_lsb_tics             DD ?
cs_msb_tics             DD ?

cs_linear               DD ?
cs_syscall_esp          DD ?
cs_syscall_eip          DD ?
cs_tls_linear           DD ?,?

cs_long_tr              DW ?
cs_long_ldt             DW ?
cs_tr_linear            DD ?

; these four bytes must be in this order!!

cs_curr_irq_nr          DB ?
cs_curr_irq_count       DB ?
cs_curr_irq_retries     DB ?
cs_curr_irq_spare       DB ?

cs_nested_irq_count     DW ?
cs_nested_irq_stack     DD MAX_IRQ_NESTING DUP(?)

cs_wakeup_arr           DW CORE_WAKEUP_ENTRIES DUP(?)

cs_irq_count            DW ?
cs_irq_stack            DB MAX_IRQ_NESTING DUP(?)

cs_serv_sel             DW ?
cs_cr3                  DD ?
cs_mon_linear           DD ?
cs_tlb                  core_tlb32_struc <>
cs_work_tlb             core_tlb32_struc <>

cs_irq_arr_counter      DD 256 DUP(?)

cs_timer_spinlock       DW ?
cs_timer_head           DW ?
cs_timer_free           DW ?
cs_timer_entries        DB 256 * SIZE timer_struc DUP(?)

core_seg   ENDS

; FS        Core selector
NotifyIrqActivity   Macro
    inc fs:cs_curr_irq_count
    Endm