1060 lines
21 KiB
PHP
1060 lines
21 KiB
PHP
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
;; ;;
|
||
;; MenuetOS process management, protected ring3 ;;
|
||
;; ;;
|
||
;; Distributed under GPL. See file COPYING for details. ;;
|
||
;; Copyright 2003 Ville Turjanmaa ;;
|
||
;; ;;
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
|
||
align 32
|
||
|
||
; GDT TABLE
|
||
|
||
gdts:
|
||
|
||
dw gdte-$-1
|
||
dd gdts
|
||
dw 0
|
||
|
||
int_code_l:
|
||
os_code_l:
|
||
|
||
dw 0xffff
|
||
dw 0x0000
|
||
db 0x00
|
||
dw 11011111b *256 +10011010b
|
||
db 0x00
|
||
|
||
int_data_l:
|
||
os_data_l:
|
||
|
||
dw 0xffff
|
||
dw 0x0000
|
||
db 0x00
|
||
dw 11011111b *256 +10010010b
|
||
db 0x00
|
||
|
||
; --------------- APM ---------------------
|
||
apm_code_32:
|
||
dw 0x10 ; limit 64kb
|
||
db 0, 0, 0
|
||
dw 11011111b *256 +10011010b
|
||
db 0x00
|
||
apm_code_16:
|
||
dw 0x10
|
||
db 0, 0, 0
|
||
dw 10011111b *256 +10011010b
|
||
db 0x00
|
||
apm_data_16:
|
||
dw 0x10
|
||
db 0, 0, 0
|
||
dw 10011111b *256 +10010010b
|
||
db 0x00
|
||
; -----------------------------------------
|
||
|
||
app_code_l:
|
||
dw 0xFFFF;((0x80000000-std_application_base_address) shr 12) and 0xffff
|
||
dw 0
|
||
db 0x40
|
||
db cpl3
|
||
dw G32+D32+0x6000+0x7;
|
||
|
||
app_data_l:
|
||
dw 0xFFFF;(0x80000000-std_application_base_address) shr 12 and 0xffff
|
||
dw 0
|
||
db 0x40
|
||
db drw3
|
||
dw G32+D32+0x6000+0x7;
|
||
|
||
graph_data_l:
|
||
|
||
dw 0x3ff
|
||
dw 0x0000
|
||
db 0x00
|
||
dw 11010000b *256 +11110010b
|
||
db 0x00
|
||
|
||
tss0_l:
|
||
times (max_processes+10) dd 0,0
|
||
|
||
gdte:
|
||
|
||
|
||
idtreg:
|
||
dw 8*0x41-1
|
||
dd idts+8
|
||
;label idts at 0xB100-8
|
||
|
||
|
||
|
||
uglobal
|
||
tss_sceleton:
|
||
l.back dw 0,0
|
||
l.esp0 dd 0
|
||
l.ss0 dw 0,0
|
||
l.esp1 dd 0
|
||
l.ss1 dw 0,0
|
||
l.esp2 dd 0
|
||
l.ss2 dw 0,0
|
||
l.cr3 dd 0
|
||
l.eip dd 0
|
||
l.eflags dd 0
|
||
l.eax dd 0
|
||
l.ecx dd 0
|
||
l.edx dd 0
|
||
l.ebx dd 0
|
||
l.esp dd 0
|
||
l.ebp dd 0
|
||
l.esi dd 0
|
||
l.edi dd 0
|
||
l.es dw 0,0
|
||
l.cs dw 0,0
|
||
l.ss dw 0,0
|
||
l.ds dw 0,0
|
||
l.fs dw 0,0
|
||
l.gs dw 0,0
|
||
l.ldt dw 0,0
|
||
l.trap dw 0
|
||
l.io dw 0
|
||
endg
|
||
|
||
|
||
build_process_gdt_tss_pointer:
|
||
|
||
mov ecx,tss_data
|
||
mov edi,0
|
||
setgdtl2:
|
||
mov [edi+gdts+ tss0 +0], word tss_step
|
||
mov [edi+gdts+ tss0 +2], cx
|
||
mov eax,ecx
|
||
shr eax,16
|
||
mov [edi+gdts+ tss0 +4], al
|
||
mov [edi+gdts+ tss0 +7], ah
|
||
mov [edi+gdts+ tss0 +5], word 01010000b *256 +11101001b
|
||
add ecx,tss_step
|
||
add edi,8
|
||
cmp edi,8*(max_processes+5)
|
||
jbe setgdtl2
|
||
|
||
ret
|
||
|
||
|
||
build_interrupt_table:
|
||
|
||
mov edi, idts+8
|
||
mov esi, sys_int
|
||
mov ecx, 0x40
|
||
@@:
|
||
mov eax, [esi]
|
||
mov [edi], ax ; lower part of offset
|
||
mov [edi+2], word os_code ; segment selector
|
||
shr eax, 16
|
||
mov [edi+4], word 10001110b shl 8 ; interrupt descriptor
|
||
mov [edi+6], ax
|
||
add esi, 4
|
||
add edi, 8
|
||
dec ecx
|
||
jnz @b
|
||
|
||
;mov edi,8*0x40+idts+8
|
||
mov [edi + 0], word (i40 and ((1 shl 16)-1))
|
||
mov [edi + 2], word os_code
|
||
mov [edi + 4], word 11101110b*256
|
||
mov [edi + 6], word (i40 shr 16)
|
||
|
||
ret
|
||
|
||
iglobal
|
||
sys_int:
|
||
dd e0,debug_exc,e2,e3
|
||
dd e4,e5,e6,e7
|
||
dd e8,e9,e10,e11
|
||
dd e12,e13,page_fault_handler,e15
|
||
|
||
dd except_16, e17,e18, except_19
|
||
times 12 dd unknown_interrupt
|
||
|
||
dd irq0 , irq_serv.irq_1, p_irq2 ,irq_serv.irq_3
|
||
dd p_irq4 ,irq_serv.irq_5,p_irq6,irq_serv.irq_7
|
||
dd irq_serv.irq_8, irq_serv.irq_9, irq_serv.irq_10
|
||
dd irq_serv.irq_11,p_irq12,irqD ,p_irq14,p_irq15
|
||
|
||
times 16 dd unknown_interrupt
|
||
|
||
dd i40
|
||
endg
|
||
|
||
macro save_ring3_context
|
||
{
|
||
push ds es
|
||
pushad
|
||
}
|
||
macro restore_ring3_context
|
||
{
|
||
popad
|
||
pop es ds
|
||
}
|
||
|
||
; simply return control to interrupted process
|
||
unknown_interrupt:
|
||
iret
|
||
|
||
macro exc_wo_code [num]
|
||
{
|
||
forward
|
||
e#num :
|
||
save_ring3_context
|
||
mov bl, num
|
||
jmp exc_c
|
||
}
|
||
|
||
macro exc_w_code [num]
|
||
{
|
||
forward
|
||
e#num :
|
||
add esp, 4
|
||
save_ring3_context
|
||
mov bl, num
|
||
jmp exc_c
|
||
}
|
||
|
||
exc_wo_code 0, 1, 2, 3, 4, 5, 6, 9, 15, 18
|
||
exc_w_code 8, 10, 11, 12, 13, 14, 17
|
||
|
||
exc_c:
|
||
mov ax, os_data
|
||
mov ds, ax
|
||
mov es, ax
|
||
|
||
; test if debugging
|
||
cli
|
||
mov eax, [0x3000]
|
||
shl eax, 8
|
||
mov eax, [0x80000+eax+APPDATA.debugger_slot]
|
||
test eax, eax
|
||
jnz .debug
|
||
sti
|
||
; not debuggee => say error and terminate
|
||
add esp, 28h
|
||
movzx eax, bl
|
||
mov [error_interrupt], eax
|
||
call show_error_parameters
|
||
|
||
mov edx, [0x3010]
|
||
mov [edx + TASKDATA.state], byte 4
|
||
|
||
jmp change_task
|
||
|
||
.debug:
|
||
; we are debugged process, notify debugger and suspend ourself
|
||
; eax=debugger PID
|
||
cld
|
||
movzx ecx, bl
|
||
push ecx
|
||
mov ecx, [0x3010]
|
||
push dword [ecx+TASKDATA.pid] ; PID of current process
|
||
push 12
|
||
pop ecx
|
||
push 1 ; 1=exception
|
||
call debugger_notify
|
||
pop ecx
|
||
pop ecx
|
||
pop ecx
|
||
mov edx, [0x3010]
|
||
mov byte [edx+TASKDATA.state], 1 ; suspended
|
||
call change_task
|
||
restore_ring3_context
|
||
iretd
|
||
|
||
;;;;;;;;;;;;;;;;;;;;;;;
|
||
;; FPU ERROR HANDLER ;;
|
||
;;;;;;;;;;;;;;;;;;;;;;;
|
||
|
||
align 4
|
||
e7:
|
||
save_ring3_context
|
||
clts
|
||
mov ax, os_data
|
||
mov ds, ax
|
||
mov es, ax
|
||
|
||
mov ebx, [fpu_owner]
|
||
cmp ebx, [CURRENT_TASK]
|
||
je .exit
|
||
|
||
shl ebx, 8
|
||
mov eax, [ebx+PROC_BASE+APPDATA.fpu_state]
|
||
bt [cpu_caps], CAPS_FXSR
|
||
jnc .no_SSE
|
||
|
||
fxsave [eax]
|
||
mov ebx, [CURRENT_TASK]
|
||
mov [fpu_owner], ebx
|
||
shl ebx, 8
|
||
cmp dword [ebx+PROC_BASE+APPDATA.fpu_init], 0
|
||
je .init
|
||
mov eax, [ebx+PROC_BASE+APPDATA.fpu_state]
|
||
fxrstor [eax]
|
||
restore_ring3_context
|
||
iret
|
||
.init:
|
||
fninit ;<EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD> <EFBFBD>㦭<EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD>᪨<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD>᪫<EFBFBD>祭<EFBFBD><EFBFBD>
|
||
mov dword [ebx+PROC_BASE+APPDATA.fpu_init], 1
|
||
.exit:
|
||
restore_ring3_context
|
||
iret
|
||
.no_SSE:
|
||
fnsave [eax]
|
||
mov ebx, [CURRENT_TASK]
|
||
mov [fpu_owner], ebx
|
||
shl ebx, 8
|
||
cmp dword [ebx+PROC_BASE+APPDATA.fpu_init], 0
|
||
je .init
|
||
|
||
mov eax, [ebx+PROC_BASE+APPDATA.fpu_state]
|
||
frstor [eax]
|
||
restore_ring3_context
|
||
iret
|
||
|
||
iglobal
|
||
fpu_owner dd 1
|
||
endg
|
||
|
||
|
||
writehex:
|
||
pusha
|
||
|
||
mov edi, [write_error_to]
|
||
mov esi, 8
|
||
@@:
|
||
mov ecx, eax
|
||
and ecx, 0xf
|
||
|
||
mov cl,[ecx+hexletters]
|
||
mov [edi],cl
|
||
dec edi
|
||
|
||
shr eax,4
|
||
dec esi
|
||
jnz @b
|
||
|
||
popa
|
||
ret
|
||
|
||
iglobal
|
||
hexletters db '0123456789ABCDEF'
|
||
|
||
error_interrupt dd -1
|
||
|
||
process_error db 'K : Process - forced terminate INT: 00000000',13,10,0
|
||
process_pid db 'K : Process - forced terminate PID: 00000000',13,10,0
|
||
process_eip db 'K : Process - forced terminate EIP: 00000000',13,10,0
|
||
system_error db 'K : Kernel error',13,10,0
|
||
endg
|
||
|
||
uglobal
|
||
write_error_to dd 0x0
|
||
endg
|
||
|
||
show_error_parameters:
|
||
|
||
mov [write_error_to],process_pid+43
|
||
mov eax,[0x3000]
|
||
shl eax, 5
|
||
mov eax,[0x3000+TASKDATA.pid+eax]
|
||
call writehex
|
||
|
||
mov [write_error_to],process_error+43
|
||
mov eax,[error_interrupt]
|
||
call writehex
|
||
|
||
cmp dword [esp+4+4], os_code ; CS
|
||
jnz @f
|
||
mov esi,system_error
|
||
call sys_msg_board_str
|
||
@@:
|
||
mov eax, [esp+4] ; EIP
|
||
|
||
mov [write_error_to],process_eip+43
|
||
call writehex
|
||
|
||
mov esi,process_error
|
||
call sys_msg_board_str
|
||
|
||
mov esi,process_pid
|
||
call sys_msg_board_str
|
||
|
||
mov esi,process_eip
|
||
call sys_msg_board_str
|
||
|
||
ret
|
||
|
||
|
||
|
||
; irq1 -> hid/keyboard.inc
|
||
|
||
|
||
macro irqh [num]
|
||
{
|
||
forward
|
||
p_irq#num :
|
||
save_ring3_context
|
||
mov edi, num
|
||
jmp irq_c
|
||
}
|
||
|
||
irqh 2,5,7,8,9,10,11
|
||
|
||
irq_c:
|
||
mov ax, os_data
|
||
mov ds, ax
|
||
mov es, ax
|
||
call irqhandler
|
||
restore_ring3_context
|
||
iret
|
||
|
||
p_irq6:
|
||
save_ring3_context
|
||
mov ax, os_data
|
||
mov ds, ax
|
||
mov es, ax
|
||
call fdc_irq
|
||
call ready_for_next_irq
|
||
restore_ring3_context
|
||
iret
|
||
|
||
p_irq3:
|
||
save_ring3_context
|
||
mov ax, os_data
|
||
mov ds, ax
|
||
mov es, ax
|
||
cmp [com2_mouse_detected],0
|
||
je old_irq3_handler
|
||
call check_mouse_data_com2
|
||
jmp p_irq3_1
|
||
old_irq3_handler:
|
||
mov edi,3
|
||
call irqhandler
|
||
p_irq3_1:
|
||
restore_ring3_context
|
||
iret
|
||
|
||
p_irq4:
|
||
save_ring3_context
|
||
mov ax, os_data
|
||
mov ds, ax
|
||
mov es, ax
|
||
cmp [com1_mouse_detected],0
|
||
je old_irq4_handler
|
||
call check_mouse_data_com1
|
||
jmp p_irq4_1
|
||
old_irq4_handler:
|
||
mov edi,4
|
||
call irqhandler
|
||
p_irq4_1:
|
||
restore_ring3_context
|
||
iret
|
||
|
||
p_irq12:
|
||
save_ring3_context
|
||
mov ax, os_data
|
||
mov ds, ax
|
||
mov es, ax
|
||
call check_mouse_data_ps2
|
||
restore_ring3_context
|
||
iret
|
||
|
||
p_irq14:
|
||
save_ring3_context
|
||
mov ax, os_data
|
||
mov ds, ax
|
||
mov es, ax
|
||
call [irq14_func]
|
||
call ready_for_next_irq_1
|
||
restore_ring3_context
|
||
iret
|
||
p_irq15:
|
||
save_ring3_context
|
||
mov ax, os_data
|
||
mov ds, ax
|
||
mov es, ax
|
||
call [irq15_func]
|
||
call ready_for_next_irq_1
|
||
restore_ring3_context
|
||
iret
|
||
|
||
ready_for_next_irq:
|
||
mov [check_idle_semaphore],5
|
||
mov al, 0x20
|
||
out 0x20, al
|
||
ret
|
||
|
||
ready_for_next_irq_1:
|
||
mov [check_idle_semaphore],5
|
||
mov al, 0x20
|
||
out 0xa0,al
|
||
out 0x20, al
|
||
ret
|
||
|
||
irqD:
|
||
save_ring3_context
|
||
mov ax, os_data
|
||
mov ds, ax
|
||
mov es, ax
|
||
|
||
mov dx,0xf0
|
||
mov al,0
|
||
out dx,al
|
||
|
||
mov dx,0xa0
|
||
mov al,0x20
|
||
out dx,al
|
||
mov dx,0x20
|
||
out dx,al
|
||
|
||
restore_ring3_context
|
||
|
||
iret
|
||
|
||
|
||
irqhandler:
|
||
|
||
push edi
|
||
|
||
mov esi,edi ; 1
|
||
shl esi,6 ; 1
|
||
add esi,irq00read ; 1
|
||
shl edi,12 ; 1
|
||
add edi,0x2E0000
|
||
mov ecx,16
|
||
|
||
mov [check_idle_semaphore],5
|
||
|
||
irqnewread:
|
||
dec ecx
|
||
js irqover
|
||
|
||
mov dx,[esi] ; 2+
|
||
|
||
cmp dx,0 ; 1
|
||
jz irqover
|
||
cmp [esi+3],byte 1 ; 2 ; byte read
|
||
jne noirqbyte ; 4-11
|
||
|
||
in al,dx
|
||
|
||
mov edx,[edi]
|
||
cmp edx,4000
|
||
je irqfull
|
||
mov ebx,edi
|
||
add ebx,0x10
|
||
add ebx,edx
|
||
mov [ebx],al
|
||
inc edx
|
||
mov [edi],edx
|
||
|
||
add esi,4
|
||
jmp irqnewread
|
||
|
||
noirqbyte:
|
||
|
||
|
||
cmp [esi+3],byte 2 ; word read
|
||
jne noirqword
|
||
|
||
in ax,dx
|
||
|
||
mov edx,[edi]
|
||
cmp edx,4000
|
||
je irqfull
|
||
mov ebx,edi
|
||
add ebx,0x10
|
||
add ebx,edx
|
||
mov [ebx],ax
|
||
add edx,2
|
||
mov [edi],edx
|
||
add esi,4
|
||
jmp irqnewread
|
||
|
||
noirqword:
|
||
irqfull:
|
||
irqover:
|
||
|
||
mov al,0x20 ; ready for next irq
|
||
out 0x20,al
|
||
|
||
pop ebx
|
||
cmp ebx,7
|
||
jbe noa0
|
||
out 0xa0,al
|
||
noa0:
|
||
|
||
ret
|
||
|
||
|
||
|
||
set_application_table_status:
|
||
push eax
|
||
|
||
mov eax,[0x3000]
|
||
shl eax, 5
|
||
add eax,0x3000+TASKDATA.pid
|
||
mov eax,[eax]
|
||
|
||
mov [application_table_status],eax
|
||
|
||
pop eax
|
||
|
||
ret
|
||
|
||
|
||
clear_application_table_status:
|
||
push eax
|
||
|
||
mov eax,[0x3000]
|
||
shl eax, 5
|
||
add eax,0x3000+TASKDATA.pid
|
||
mov eax,[eax]
|
||
|
||
cmp eax,[application_table_status]
|
||
jne apptsl1
|
||
mov [application_table_status],0
|
||
apptsl1:
|
||
|
||
pop eax
|
||
|
||
ret
|
||
|
||
|
||
|
||
sys_resize_app_memory:
|
||
; eax = 1 - resize
|
||
; ebx = new amount of memory
|
||
|
||
cmp eax,1
|
||
jne .no_application_mem_resize
|
||
|
||
stdcall new_mem_resize, ebx
|
||
mov [esp+36], eax
|
||
ret
|
||
|
||
.no_application_mem_resize:
|
||
ret
|
||
|
||
|
||
|
||
get_app_params:
|
||
|
||
push eax
|
||
|
||
cmp [0x90000+6],word '00'
|
||
jne no_00_header
|
||
|
||
mov eax,[0x90000+12]
|
||
mov [app_start],eax
|
||
mov eax,[0x90000+16]
|
||
mov [app_i_end],eax
|
||
mov eax,[0x90000+20]
|
||
mov [app_mem],eax
|
||
; \begin{diamond}[20.08.2006]
|
||
; sanity check (functions 19,58 load app_i_end bytes and that must
|
||
; fit in allocated memory to prevent kernel faults)
|
||
cmp eax,[app_i_end]
|
||
jb no_01_header
|
||
; \end{diamond}[20.08.2006]
|
||
shr eax,1
|
||
sub eax,0x10
|
||
mov [app_esp],eax
|
||
mov eax,[0x90000+24]
|
||
mov [app_i_param],eax
|
||
mov [app_i_icon],dword 0
|
||
|
||
pop eax
|
||
clc
|
||
ret
|
||
|
||
no_00_header:
|
||
|
||
|
||
cmp [0x90000+6],word '01'
|
||
jne no_01_header
|
||
|
||
mov eax,[0x90000+12]
|
||
mov [app_start],eax
|
||
mov eax,[0x90000+16]
|
||
mov [app_i_end],eax
|
||
mov eax,[0x90000+20]
|
||
mov [app_mem],eax
|
||
; \begin{diamond}[20.08.2006]
|
||
cmp eax,[app_i_end]
|
||
jb no_01_header
|
||
; \end{diamond}[20.08.2006]
|
||
mov eax,[0x90000+24]
|
||
mov [app_esp],eax
|
||
mov eax,[0x90000+28]
|
||
mov [app_i_param],eax
|
||
mov eax,[0x90000+32]
|
||
mov [app_i_icon],eax
|
||
|
||
pop eax
|
||
clc
|
||
ret
|
||
|
||
no_01_header:
|
||
|
||
pop eax
|
||
stc
|
||
ret
|
||
|
||
|
||
uglobal
|
||
new_process_place dd 0x0
|
||
app_start dd 0x0
|
||
app_i_end dd 0x0
|
||
app_mem dd 0x0
|
||
app_esp dd 0x0
|
||
app_i_param dd 0x0
|
||
app_i_icon dd 0x0
|
||
; app_mem_pos dd 0x0
|
||
appl_path dd 0x0
|
||
appl_path_size dd 0x0
|
||
endg
|
||
|
||
|
||
sys_threads:
|
||
|
||
; eax=1 create thread
|
||
;
|
||
; ebx=thread start
|
||
; ecx=thread stack value
|
||
;
|
||
; on return : eax = pid
|
||
jmp new_sys_threads
|
||
|
||
iglobal
|
||
process_terminating db 'K : Process - terminating',13,10,0
|
||
process_terminated db 'K : Process - done',13,10,0
|
||
endg
|
||
|
||
|
||
terminate: ; terminate application
|
||
push esi
|
||
mov esi,process_terminating
|
||
call sys_msg_board_str
|
||
pop esi
|
||
|
||
@@:
|
||
cli
|
||
cmp [application_table_status],0
|
||
je term9
|
||
sti
|
||
call change_task
|
||
jmp @b
|
||
term9:
|
||
|
||
call set_application_table_status
|
||
|
||
mov eax,esi
|
||
|
||
pushad
|
||
shl eax,8
|
||
mov eax,[PROC_BASE+eax+0xB8]
|
||
stdcall destroy_app_space, eax
|
||
popad
|
||
|
||
cmp [fpu_owner],esi ; if user fpu last -> fpu user = 1
|
||
jne fpu_ok_1
|
||
mov [fpu_owner],1
|
||
fpu_ok_1:
|
||
|
||
mov [0xf400],byte 0 ; empty keyboard buffer
|
||
mov [0xf500],byte 0 ; empty button buffer
|
||
|
||
|
||
; remove defined hotkeys
|
||
mov eax, hotkey_list
|
||
.loop:
|
||
cmp [eax+8], esi
|
||
jnz .cont
|
||
mov ecx, [eax]
|
||
jecxz @f
|
||
push dword [eax+12]
|
||
pop dword [ecx+12]
|
||
@@:
|
||
mov ecx, [eax+12]
|
||
push dword [eax]
|
||
pop dword [ecx]
|
||
xor ecx, ecx
|
||
mov [eax], ecx
|
||
mov [eax+4], ecx
|
||
mov [eax+8], ecx
|
||
mov [eax+12], ecx
|
||
.cont:
|
||
add eax, 16
|
||
cmp eax, hotkey_list+256*16
|
||
jb .loop
|
||
; remove hotkeys in buffer
|
||
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,[0xfe88]
|
||
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 [dlx],eax
|
||
add eax,[esi+WDATA.box.width]
|
||
mov [dlxe],eax
|
||
mov eax,[esi+WDATA.box.top]
|
||
mov [dly],eax
|
||
add eax,[esi+WDATA.box.height]
|
||
mov [dlye],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, [0x80000+edi*8+APPDATA.debugger_slot]
|
||
test eax, eax
|
||
jz .nodebug
|
||
push 8
|
||
pop ecx
|
||
push dword [0x3000+edi+TASKDATA.pid] ; PID
|
||
push 2
|
||
call debugger_notify
|
||
pop ecx
|
||
pop ecx
|
||
.nodebug:
|
||
popad
|
||
|
||
pusha ; at 0x80000+
|
||
mov edi,esi
|
||
shl edi,8
|
||
add edi,0x80000
|
||
mov ecx,256/4
|
||
xor eax, eax
|
||
rep stosd
|
||
popa
|
||
|
||
pusha ; name to spaces
|
||
mov edi,esi
|
||
shl edi,8
|
||
add edi,0x80000+APPDATA.app_name
|
||
mov ecx,11
|
||
mov eax,' '
|
||
rep stosb
|
||
popa
|
||
|
||
|
||
; activate window
|
||
movzx eax, word [0xC000 + esi*2]
|
||
cmp eax, [0x3004]
|
||
jne .dont_activate
|
||
pushad
|
||
.check_next_window:
|
||
dec eax
|
||
cmp eax, 1
|
||
jbe .nothing_to_activate
|
||
lea esi, [0xc400+eax*2]
|
||
movzx edi, word [esi] ; edi = process
|
||
shl edi, 5
|
||
cmp [0x3000 + edi + TASKDATA.state], byte 9 ; skip dead slots
|
||
je .check_next_window
|
||
add edi, window_data
|
||
; \begin{diamond}[19.09.2006]
|
||
; skip minimized windows
|
||
test [edi + WDATA.fl_wstate], WSTATE_MINIMIZED
|
||
jnz .check_next_window
|
||
; \end{diamond}
|
||
call waredraw
|
||
.nothing_to_activate:
|
||
popad
|
||
.dont_activate:
|
||
|
||
push esi ; remove hd1 & cd & flp reservation
|
||
shl esi, 5
|
||
mov esi, [esi+0x3000+TASKDATA.pid]
|
||
cmp [hd1_status], esi
|
||
jnz @f
|
||
mov [hd1_status], 0
|
||
@@:
|
||
cmp [cd_status], esi
|
||
jnz @f
|
||
mov [cd_status], 0
|
||
@@:
|
||
cmp [flp_status], esi
|
||
jnz @f
|
||
mov [flp_status], 0
|
||
@@:
|
||
pop esi
|
||
|
||
pusha ; remove all irq reservations
|
||
mov eax,esi
|
||
shl eax, 5
|
||
mov eax,[eax+0x3000+TASKDATA.pid]
|
||
mov edi,irq_owner
|
||
mov ecx,16
|
||
newirqfree:
|
||
scasd
|
||
jne nofreeirq
|
||
mov [edi-4],dword 0
|
||
nofreeirq:
|
||
loop newirqfree
|
||
popa
|
||
|
||
|
||
pusha ; remove all port reservations
|
||
mov edx,esi
|
||
shl edx, 5
|
||
add edx,0x3000
|
||
mov edx,[edx+TASKDATA.pid]
|
||
|
||
rmpr0:
|
||
|
||
mov esi,[0x2d0000]
|
||
|
||
cmp esi,0
|
||
je rmpr9
|
||
|
||
rmpr3:
|
||
|
||
mov edi,esi
|
||
shl edi,4
|
||
add edi,0x2d0000
|
||
|
||
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 [0x2d0000]
|
||
|
||
jmp rmpr0
|
||
|
||
rmpr9:
|
||
|
||
popa
|
||
mov edi,esi ; do not run this process slot
|
||
shl edi, 5
|
||
mov [edi+0x3000 + TASKDATA.state],byte 9
|
||
; debugger test - terminate all debuggees
|
||
mov eax, 2
|
||
mov ecx, 0x80000+2*0x100+APPDATA.debugger_slot
|
||
.xd0:
|
||
cmp eax, [0x3004]
|
||
ja .xd1
|
||
cmp dword [ecx], esi
|
||
jnz @f
|
||
and dword [ecx], 0
|
||
pushad
|
||
xchg eax, ebx
|
||
mov eax, 2
|
||
call sys_system
|
||
popad
|
||
@@:
|
||
inc eax
|
||
add ecx, 0x100
|
||
jmp .xd0
|
||
.xd1:
|
||
; call systest
|
||
sti ; .. and life goes on
|
||
|
||
mov eax, [dlx]
|
||
mov ebx, [dly]
|
||
mov ecx, [dlxe]
|
||
mov edx, [dlye]
|
||
call calculatescreen
|
||
xor eax, eax
|
||
xor esi, esi
|
||
call redrawscreen
|
||
|
||
mov [0xfff4],byte 0 ; no mouse background
|
||
mov [0xfff5],byte 0 ; draw mouse
|
||
|
||
mov [application_table_status],0
|
||
mov esi,process_terminated
|
||
call sys_msg_board_str
|
||
|
||
ret
|
||
|
||
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
|
||
call build_process_gdt_tss_pointer
|
||
|
||
mov esi,boot_sched_2
|
||
call boot_log
|
||
call build_interrupt_table
|
||
|
||
ret
|
||
|