forked from KolibriOS/kolibrios
815 lines
21 KiB
PHP
815 lines
21 KiB
PHP
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; Copyright (C) KolibriOS team 2004-2008. All rights reserved. ;;
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;; Distributed under terms of the GNU General Public License ;;
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;; ;;
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;; ;;
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;; MenuetOS process management, protected ring3 ;;
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;; ;;
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;; Distributed under GPL. See file COPYING for details. ;;
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;; Copyright 2003 Ville Turjanmaa ;;
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;; ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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$Revision$
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align 4 ;3A08
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build_interrupt_table:
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mov edi, idts
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mov esi, sys_int
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mov ecx, 0x40
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mov eax, (10001110b shl 24) + os_code
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@@: movsw ;low word of code-entry
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stosd ;interrupt gate type : os_code selector
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movsw ;high word of code-entry
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loop @b
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movsd ;copy low dword of trap gate for int 0x40
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movsd ;copy high dword of trap gate for int 0x40
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lidt [esi]
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ret
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iglobal
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align 4
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sys_int:
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;exception handlers addresses (for interrupt gate construction)
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dd e0,e1,e2,e3,e4,e5,e6,except_7 ; SEE: core/fpu.inc
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dd e8,e9,e10,e11,e12,e13,page_fault_exc,e15
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dd e16, e17,e18, e19
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times 12 dd unknown_interrupt ;int_20..int_31
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;interrupt handlers addresses (for interrupt gate construction)
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dd irq0, irq_serv.irq_1, irq_serv.irq_2
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if USE_COM_IRQ
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dd irq_serv.irq_3, irq_serv.irq_4
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else
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dd p_irq3, p_irq4 ;??? íåñòûêîâêà
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end if
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dd irq_serv.irq_5, p_irq6, irq_serv.irq_7
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dd irq_serv.irq_8, irq_serv.irq_9, irq_serv.irq_10
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dd irq_serv.irq_11, irq_serv.irq_12, irqD,p_irq14,p_irq15
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times 16 dd unknown_interrupt ;int_0x30..int_0x3F
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;int_0x40 gate trap (for directly copied)
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dw i40 and 0xFFFF, os_code, 11101111b shl 8, i40 shr 16
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idtreg: ; data for LIDT instruction (!!! must be immediately below sys_int data)
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dw 2*($-sys_int-4)-1
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dd idts ;0x8000B100
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dw 0 ;ïðîñòî âûðàâíèâàíèå
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msg_fault_sel dd msg_exc_8,msg_exc_u,msg_exc_a,msg_exc_b
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dd msg_exc_c,msg_exc_d,msg_exc_e
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msg_exc_8 db "Double fault", 0
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msg_exc_u db "Undefined Exception", 0
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msg_exc_a db "Invalid TSS", 0
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msg_exc_b db "Segment not present", 0
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msg_exc_c db "Stack fault", 0
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msg_exc_d db "General protection fault", 0
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msg_exc_e db "Page fault", 0
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msg_sel_ker db "kernel", 0
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msg_sel_app db "application", 0
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endg
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macro save_ring3_context {
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pushad
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}
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macro restore_ring3_context {
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popad
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}
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macro exc_wo_code [num] {
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e#num :
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save_ring3_context
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mov bl, num
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jmp exc_c
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} exc_wo_code 0,1,2,3,4,5,6,15,16,19
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macro exc_w_code [num] {
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e#num :
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add esp, 4
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save_ring3_context
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mov bl, num
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jmp exc_c
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} exc_w_code 8,9,10,11,12,13,17,18
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uglobal
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pf_err_code dd ?
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endg
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page_fault_exc: ; fool-proofing: if selectors damaged...
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pop [ss:pf_err_code]; active to the next #PF
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save_ring3_context
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mov bl,14
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exc_c: ; exceptions (all but the 7th - #NM)
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; the stack frame for an exception/interrupt occured in Ring3 + pushad (i.e. here)
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reg_ss equ esp+0x30
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reg_esp3 equ esp+0x2C
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reg_eflags equ esp+0x28
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reg_cs3 equ esp+0x24
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reg_eip equ esp+0x20
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; pushad's frame
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reg_eax equ esp+0x1C
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reg_ecx equ esp+0x18
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reg_edx equ esp+0x14
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reg_ebx equ esp+0x10
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reg_esp0 equ esp+0x0C
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reg_ebp equ esp+0x08
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reg_esi equ esp+0x04
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reg_edi equ esp+0x00
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Mov ds,ax,app_data ; load the correct values
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mov es,ax ; to segregs
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cld ; and clear DF
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movzx ebx,bl
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; redirect to V86 manager? (EFLAGS & 0x20000) != 0?
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test byte[reg_eflags+2],2
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jnz v86_exc_c
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cmp bl,14 ; #PF
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jne @f
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call page_fault_handler ; SEE: core/memory.inc
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@@: mov esi, [current_slot]
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btr [esi+APPDATA.except_mask], ebx
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jnc @f
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mov eax,[esi+APPDATA.exc_handler]
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test eax, eax
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jnz IRetToUserHook
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@@: cli
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mov eax, [esi+APPDATA.debugger_slot]
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test eax, eax
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jnz .debug
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sti
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; not debuggee => say error and terminate
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call show_error_parameters ;; only ONE using, inline ???
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;mov edx, [TASK_BASE]
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mov [edx + TASKDATA.state], byte 4 ; terminate
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jmp change_task ; stack - here it does not matter at all, SEE: core/shed.inc
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.debug:
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; we are debugged process, notify debugger and suspend ourself
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; eax=debugger PID
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mov ecx,1 ; debug_message code=other_exception
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cmp bl,1 ; #DB
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jne .notify ; notify debugger and suspend ourself
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mov ebx, dr6 ; debug_message data=DR6_image
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xor edx, edx
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mov dr6, edx
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mov edx, dr7
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mov cl, not 8
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.l1: shl dl,2
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jc @f
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and bl, cl
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@@: sar cl,1
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jc .l1
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mov cl, 3 ; debug_message code=debug_exception
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.notify:
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push ebx ; debug_message data
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mov ebx, [TASK_BASE]
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push [ebx+TASKDATA.pid] ; PID
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push ecx ; debug_message code ((here: ecx==1/3))
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mov cl, 12 ; debug_message size
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call debugger_notify ;; only ONE using, inline ??? SEE: core/debug.inc
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add esp,12
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mov edx, [TASK_BASE]
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mov byte [edx+TASKDATA.state], 1 ; suspended
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call change_task ; SEE: core/shed.inc
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restore_ring3_context
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iretd
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IRetToUserHook:
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xchg eax, [reg_eip]
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sub dword[reg_esp3], 8
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mov edi, [reg_esp3]
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stosd
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mov [edi], ebx
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restore_ring3_context
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unknown_interrupt:
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iretd
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;-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
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show_error_parameters:
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mov edx,[TASK_BASE] ;not scratched below
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DEBUGF 1, "K : Process - forced terminate PID: %x\n", [edx+TASKDATA.pid]
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cmp bl, 0x08
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jb .l0
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cmp bl, 0x0e
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jbe .l1
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.l0: mov bl, 0x09
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.l1: mov eax,[msg_fault_sel+ebx*4 - 0x08*4]
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DEBUGF 1, "K : %s\n", eax
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mov eax, [reg_cs3+4]
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mov edi, msg_sel_app
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mov ebx, [reg_esp3+4]
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cmp eax, app_code
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je @f
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mov edi, msg_sel_ker
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mov ebx, [reg_esp0+4]
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@@: DEBUGF 1, "K : EAX : %x EBX : %x ECX : %x\n", [reg_eax+4], [reg_ebx+4], [reg_ecx+4]
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DEBUGF 1, "K : EDX : %x ESI : %x EDI : %x\n", [reg_edx+4], [reg_esi+4], [reg_edi+4]
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DEBUGF 1, "K : EBP : %x EIP : %x ESP : %x\n", [reg_ebp+4], [reg_eip+4], ebx
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DEBUGF 1, "K : Flags : %x CS : %x (%s)\n", [reg_eflags+4], eax, edi
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ret
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;-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
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restore reg_ss
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restore reg_esp3
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restore reg_eflags
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restore reg_cs
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restore reg_eip
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restore reg_eax
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restore reg_ecx
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restore reg_edx
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restore reg_ebx
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restore reg_esp0
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restore reg_ebp
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restore reg_esi
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restore reg_edi
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; irq1 -> hid/keyboard.inc
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macro irqh [num] {
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p_irq#num :
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mov edi, num
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jmp irqhandler
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}
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p_irq6:
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save_ring3_context
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mov ax, app_data ;os_data
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mov ds, ax
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mov es, ax
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mov edi, 6
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cmp [v86_irqhooks+edi*8], 0
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jnz v86_irq2
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call fdc_irq
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call ready_for_next_irq
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restore_ring3_context
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iret
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p_irq14:
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save_ring3_context
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mov ax, app_data ;os_data
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mov ds, ax
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mov es, ax
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mov edi, 14
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cmp [v86_irqhooks+edi*8], 0
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jnz v86_irq2
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call [irq14_func]
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call ready_for_next_irq_1
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restore_ring3_context
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iret
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p_irq15:
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save_ring3_context
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mov ax, app_data ;os_data
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mov ds, ax
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mov es, ax
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mov edi, 15
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cmp [v86_irqhooks+edi*8], 0
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jnz v86_irq2
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call [irq15_func]
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call ready_for_next_irq_1
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restore_ring3_context
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iret
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ready_for_next_irq:
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mov eax,5
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mov [check_idle_semaphore],eax
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add eax,(0x20-0x5)
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out 0x20, al
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ret
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;destroy eax
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ready_for_next_irq_1:
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mov eax,5
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mov [check_idle_semaphore],eax
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; mov al, 0x20
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add eax,(0x20-0x5)
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out 0xa0,al
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out 0x20, al
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ret
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irqD:
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push eax
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xor eax,eax
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out 0xf0,al
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mov al,0x20
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out 0xa0,al
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out 0x20,al
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pop eax
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iret
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irqh 2,3,4,5,7,8,9,10,11
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irqhandler:
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mov esi,edi ; 1
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shl esi,6 ; 1
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add esi,irq00read ; 1
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shl edi,12 ; 1
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add edi,IRQ_SAVE
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mov ecx,16
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irqnewread:
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dec ecx
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js irqover
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movzx edx, word [esi] ; 2+
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test edx, edx ; 1
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jz irqover
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mov ebx, [edi] ; address of begin of buffer in edi ; + 0x0 dword - data size
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mov eax, 4000 ; + 0x4 dword - data begin offset
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cmp ebx, eax
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je irqfull
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add ebx, [edi + 0x4] ; add data size to data begin offset
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cmp ebx, eax ; if end of buffer, begin cycle again
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jb @f
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xor ebx, ebx
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@@:
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add ebx, edi
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movzx eax, byte[esi + 3] ; get type of data being received 1 - byte, 2 - word
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dec eax
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jz irqbyte
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dec eax
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jnz noirqword
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in ax,dx
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cmp ebx, 3999 ; check for address odd in the end of buffer
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jne .odd
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mov [ebx + 0x10], ax
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jmp .add_size
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.odd:
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mov [ebx + 0x10], al ; I could make mistake here :)
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mov [edi + 0x10], ah
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.add_size:
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add dword [edi], 2
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jmp nextport
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irqbyte:
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in al,dx
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mov [ebx + 0x10],al
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inc dword [edi]
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nextport:
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add esi,4
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jmp irqnewread
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noirqword:
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irqfull:
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irqover:
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ret
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set_application_table_status:
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push eax
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mov eax,[CURRENT_TASK]
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shl eax, 5
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add eax,CURRENT_TASK+TASKDATA.pid
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mov eax,[eax]
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mov [application_table_status],eax
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pop eax
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ret
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clear_application_table_status:
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push eax
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mov eax,[CURRENT_TASK]
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shl eax, 5
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add eax,CURRENT_TASK+TASKDATA.pid
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mov eax,[eax]
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cmp eax,[application_table_status]
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jne apptsl1
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xor eax,eax
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mov [application_table_status],eax
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apptsl1:
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pop eax
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ret
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; * eax = 64 - sysFn #
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; * ebx = 1 - subFn
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; * ecx = new memory size
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;Returns:
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; * eax = 0 - OK
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; * eax = 1 - insufficient memory
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sys_resize_app_memory:
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dec ebx
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jnz .no_application_mem_resize
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stdcall new_mem_resize, ecx
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mov [esp+32], eax
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.no_application_mem_resize:
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ret
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iglobal
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msg_obj_destroy db 'K : app object destroyed',13,10,0
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endg
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; terminate application
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; param
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; esi= slot
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terminate:
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.slot equ esp ;locals
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push esi ;save .slot
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shl esi, 8
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cmp [SLOT_BASE+esi+APPDATA.dir_table], 0
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jne @F
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pop esi
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shl esi, 5
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mov [CURRENT_TASK+esi+TASKDATA.state], 9
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ret
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@@:
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cli
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cmp [application_table_status],0
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je term9
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sti
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call change_task
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jmp @b
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term9:
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call set_application_table_status
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; if the process is in V86 mode...
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mov eax, [.slot]
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shl eax, 8
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mov esi, [eax+SLOT_BASE+APPDATA.pl0_stack]
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add esi, RING0_STACK_SIZE
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cmp [eax+SLOT_BASE+APPDATA.saved_esp0], esi
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jz .nov86
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; ...it has page directory for V86 mode
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mov esi, [eax+SLOT_BASE+APPDATA.saved_esp0]
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mov ecx, [esi+4]
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mov [eax+SLOT_BASE+APPDATA.dir_table], ecx
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; ...and I/O permission map for V86 mode
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mov ecx, [esi+12]
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mov [eax+SLOT_BASE+APPDATA.io_map], ecx
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mov ecx, [esi+8]
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mov [eax+SLOT_BASE+APPDATA.io_map+4], ecx
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.nov86:
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mov esi, [.slot]
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shl esi,8
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add esi, SLOT_BASE+APP_OBJ_OFFSET
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@@:
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mov eax, [esi+APPOBJ.fd]
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test eax, eax
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jz @F
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cmp eax, esi
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je @F
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push esi
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call [eax+APPOBJ.destroy]
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DEBUGF 1,"%s",msg_obj_destroy
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pop esi
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jmp @B
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@@:
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mov eax, [.slot]
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shl eax, 8
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stdcall destroy_app_space, [SLOT_BASE+eax+APPDATA.dir_table], [SLOT_BASE+eax+APPDATA.dlls_list_ptr]
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mov esi, [.slot]
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cmp [fpu_owner],esi ; if user fpu last -> fpu user = 1
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jne @F
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mov [fpu_owner],1
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mov eax, [256+SLOT_BASE+APPDATA.fpu_state]
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clts
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bt [cpu_caps], CAPS_SSE
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jnc .no_SSE
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fxrstor [eax]
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jmp @F
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.no_SSE:
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fnclex
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frstor [eax]
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@@:
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mov [KEY_COUNT],byte 0 ; empty keyboard buffer
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mov [BTN_COUNT],byte 0 ; empty button buffer
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; remove defined hotkeys
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mov eax, hotkey_list
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.loop:
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cmp [eax+8], esi
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jnz .cont
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mov ecx, [eax]
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jecxz @f
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push dword [eax+12]
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pop dword [ecx+12]
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@@:
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mov ecx, [eax+12]
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push dword [eax]
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pop dword [ecx]
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xor ecx, ecx
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mov [eax], ecx
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mov [eax+4], ecx
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mov [eax+8], ecx
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mov [eax+12], ecx
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.cont:
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add eax, 16
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cmp eax, hotkey_list+256*16
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jb .loop
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; remove hotkeys in buffer
|
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mov eax, hotkey_buffer
|
|
.loop2:
|
|
cmp [eax], esi
|
|
jnz .cont2
|
|
and dword [eax+4], 0
|
|
and dword [eax], 0
|
|
.cont2:
|
|
add eax, 8
|
|
cmp eax, hotkey_buffer+120*8
|
|
jb .loop2
|
|
|
|
mov ecx,esi ; remove buttons
|
|
bnewba2:
|
|
mov edi,[BTN_ADDR]
|
|
mov eax,edi
|
|
cld
|
|
movzx ebx,word [edi]
|
|
inc bx
|
|
bnewba:
|
|
dec bx
|
|
jz bnmba
|
|
add eax,0x10
|
|
cmp cx,[eax]
|
|
jnz bnewba
|
|
pusha
|
|
mov ecx,ebx
|
|
inc ecx
|
|
shl ecx,4
|
|
mov ebx,eax
|
|
add eax,0x10
|
|
call memmove
|
|
dec dword [edi]
|
|
popa
|
|
jmp bnewba2
|
|
bnmba:
|
|
|
|
pusha ; save window coordinates for window restoring
|
|
cld
|
|
shl esi,5
|
|
add esi,window_data
|
|
mov eax,[esi+WDATA.box.left]
|
|
mov [draw_limits.left],eax
|
|
add eax,[esi+WDATA.box.width]
|
|
mov [draw_limits.right],eax
|
|
mov eax,[esi+WDATA.box.top]
|
|
mov [draw_limits.top],eax
|
|
add eax,[esi+WDATA.box.height]
|
|
mov [draw_limits.bottom],eax
|
|
|
|
xor eax, eax
|
|
mov [esi+WDATA.box.left],eax
|
|
mov [esi+WDATA.box.width],eax
|
|
mov [esi+WDATA.box.top],eax
|
|
mov [esi+WDATA.box.height],eax
|
|
mov [esi+WDATA.cl_workarea],eax
|
|
mov [esi+WDATA.cl_titlebar],eax
|
|
mov [esi+WDATA.cl_frames],eax
|
|
mov dword [esi+WDATA.reserved],eax ; clear all flags: wstate, redraw, wdrawn
|
|
lea edi, [esi-window_data+draw_data]
|
|
mov ecx,32/4
|
|
rep stosd
|
|
popa
|
|
|
|
; debuggee test
|
|
pushad
|
|
mov edi, esi
|
|
shl edi, 5
|
|
mov eax, [SLOT_BASE+edi*8+APPDATA.debugger_slot]
|
|
test eax, eax
|
|
jz .nodebug
|
|
push 8
|
|
pop ecx
|
|
push dword [CURRENT_TASK+edi+TASKDATA.pid] ; PID
|
|
push 2
|
|
call debugger_notify
|
|
pop ecx
|
|
pop ecx
|
|
.nodebug:
|
|
popad
|
|
|
|
mov ebx, [.slot]
|
|
shl ebx, 8
|
|
push ebx
|
|
mov ebx,[SLOT_BASE+ebx+APPDATA.pl0_stack]
|
|
|
|
stdcall kernel_free, ebx
|
|
|
|
pop ebx
|
|
mov ebx,[SLOT_BASE+ebx+APPDATA.cur_dir]
|
|
stdcall kernel_free, ebx
|
|
|
|
mov edi, [.slot]
|
|
shl edi,8
|
|
add edi,SLOT_BASE
|
|
|
|
mov eax, [edi+APPDATA.io_map]
|
|
cmp eax, [SLOT_BASE+256+APPDATA.io_map]
|
|
je @F
|
|
call free_page
|
|
@@:
|
|
mov eax, [edi+APPDATA.io_map+4]
|
|
cmp eax, [SLOT_BASE+256+APPDATA.io_map+4]
|
|
je @F
|
|
call free_page
|
|
@@:
|
|
mov eax, 0x20202020
|
|
stosd
|
|
stosd
|
|
stosd
|
|
mov ecx,244/4
|
|
xor eax, eax
|
|
rep stosd
|
|
|
|
; activate window
|
|
movzx eax, word [WIN_STACK + esi*2]
|
|
cmp eax, [TASK_COUNT]
|
|
jne .dont_activate
|
|
pushad
|
|
.check_next_window:
|
|
dec eax
|
|
cmp eax, 1
|
|
jbe .nothing_to_activate
|
|
lea esi, [WIN_POS+eax*2]
|
|
movzx edi, word [esi] ; edi = process
|
|
shl edi, 5
|
|
cmp [CURRENT_TASK + edi + TASKDATA.state], byte 9 ; skip dead slots
|
|
je .check_next_window
|
|
add edi, window_data
|
|
|
|
; skip minimized windows
|
|
test [edi + WDATA.fl_wstate], WSTATE_MINIMIZED
|
|
jnz .check_next_window
|
|
call waredraw
|
|
.nothing_to_activate:
|
|
popad
|
|
.dont_activate:
|
|
|
|
push esi ; remove hd1 & cd & flp reservation
|
|
shl esi, 5
|
|
mov esi, [esi+CURRENT_TASK+TASKDATA.pid]
|
|
cmp [hd1_status], esi
|
|
jnz @f
|
|
call free_hd_channel
|
|
and [hd1_status], 0
|
|
;@@:
|
|
; cmp [cd_status], esi
|
|
; jnz @f
|
|
; call free_cd_channel
|
|
; and [cd_status], 0
|
|
@@:
|
|
cmp [flp_status], esi
|
|
jnz @f
|
|
and [flp_status], 0
|
|
@@:
|
|
pop esi
|
|
cmp [bgrlockpid], esi
|
|
jnz @f
|
|
and [bgrlockpid], 0
|
|
and [bgrlock], 0
|
|
@@:
|
|
|
|
pusha ; remove all irq reservations
|
|
mov eax,esi
|
|
shl eax, 5
|
|
mov eax,[eax+CURRENT_TASK+TASKDATA.pid]
|
|
mov edi,irq_owner
|
|
xor ebx, ebx
|
|
xor edx, edx
|
|
newirqfree:
|
|
cmp [edi + 4 * ebx], eax
|
|
jne nofreeirq
|
|
mov [edi + 4 * ebx], edx ; remove irq reservation
|
|
mov [irq_tab + 4 * ebx], edx ; remove irq handler
|
|
mov [irq_rights + 4 * ebx], edx ; set access rights to full access
|
|
nofreeirq:
|
|
inc ebx
|
|
cmp ebx, 16
|
|
jb newirqfree
|
|
popa
|
|
|
|
pusha ; remove all port reservations
|
|
mov edx,esi
|
|
shl edx, 5
|
|
add edx,CURRENT_TASK
|
|
mov edx,[edx+TASKDATA.pid]
|
|
|
|
rmpr0:
|
|
|
|
mov esi,[RESERVED_PORTS]
|
|
|
|
test esi,esi
|
|
jz rmpr9
|
|
|
|
rmpr3:
|
|
|
|
mov edi,esi
|
|
shl edi,4
|
|
add edi,RESERVED_PORTS
|
|
|
|
cmp edx,[edi]
|
|
je rmpr4
|
|
|
|
dec esi
|
|
jnz rmpr3
|
|
|
|
jmp rmpr9
|
|
|
|
rmpr4:
|
|
|
|
mov ecx,256
|
|
sub ecx,esi
|
|
shl ecx,4
|
|
|
|
mov esi,edi
|
|
add esi,16
|
|
cld
|
|
rep movsb
|
|
|
|
dec dword [RESERVED_PORTS]
|
|
|
|
jmp rmpr0
|
|
|
|
rmpr9:
|
|
|
|
popa
|
|
mov edi,esi ; do not run this process slot
|
|
shl edi, 5
|
|
mov [edi+CURRENT_TASK + TASKDATA.state],byte 9
|
|
; debugger test - terminate all debuggees
|
|
mov eax, 2
|
|
mov ecx, SLOT_BASE+2*0x100+APPDATA.debugger_slot
|
|
.xd0:
|
|
cmp eax, [TASK_COUNT]
|
|
ja .xd1
|
|
cmp dword [ecx], esi
|
|
jnz @f
|
|
and dword [ecx], 0
|
|
pushad
|
|
xchg eax, ecx
|
|
mov ebx, 2
|
|
call sys_system
|
|
popad
|
|
@@:
|
|
inc eax
|
|
add ecx, 0x100
|
|
jmp .xd0
|
|
.xd1:
|
|
sti ; .. and life goes on
|
|
|
|
mov eax, [draw_limits.left]
|
|
mov ebx, [draw_limits.top]
|
|
mov ecx, [draw_limits.right]
|
|
mov edx, [draw_limits.bottom]
|
|
call calculatescreen
|
|
xor eax, eax
|
|
xor esi, esi
|
|
call redrawscreen
|
|
|
|
mov [MOUSE_BACKGROUND],byte 0 ; no mouse background
|
|
mov [DONT_DRAW_MOUSE],byte 0 ; draw mouse
|
|
|
|
and [application_table_status],0
|
|
add esp, 4
|
|
ret
|
|
restore .slot
|
|
|
|
iglobal
|
|
boot_sched_1 db 'Building gdt tss pointer',0
|
|
; boot_sched_2 db 'Building IDT table',0
|
|
endg
|
|
|
|
|
|
build_scheduler:
|
|
|
|
mov esi,boot_sched_1
|
|
call boot_log
|
|
ret
|