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kolibri-process: v86 ready

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git-svn-id: svn://kolibrios.org@5120 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Sergey Semyonov (Serge) 2014-09-13 16:50:42 +00:00
parent 6eb724186d
commit 933e63dccf
1 changed files with 25 additions and 94 deletions
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119
kernel/branches/kolibri-process/core/v86.inc
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@ -103,7 +103,6 @@ v86_create:
mov eax, 0xC0000+PG_UW
mov edi, page_tabs+0xC0*4
mov edx, 0x1000
mov ecx, 64
@@:
stosd
@ -145,10 +144,11 @@ v86_create:
v86_get_lin_addr:
push ecx edx
mov ecx, eax
mov edx, page_tabs
shr ecx, 12
mov edx, [page_tabs+ecx*4]
and eax, 0xFFF
add eax, [edx+ecx*4] ; atomic operation, no mutex needed
and edx, 0xFFFFF000
or eax, edx
pop edx ecx
ret
@ -255,34 +255,35 @@ ends
; destroys: nothing
v86_start:
xchg bx, bx
pushad
cli
mov ecx, [CURRENT_TASK]
shl ecx, 8
add ecx, SLOT_BASE
mov ecx, [current_slot]
mov eax, [esi+V86_machine.iopm]
call get_pg_addr
inc eax
push dword [ecx+APPDATA.io_map]
push dword [ecx+APPDATA.io_map+4]
mov dword [ecx+APPDATA.io_map], eax
mov dword [page_tabs + (tss._io_map_0 shr 10)], eax
add eax, 0x1000
mov dword [ecx+APPDATA.io_map+4], eax
mov dword [page_tabs + (tss._io_map_1 shr 10)], eax
push [ecx+APPDATA.process]
push [ecx+APPDATA.saved_esp0]
mov [ecx+APPDATA.saved_esp0], esp
mov [tss._esp0], esp
mov eax, [esi+V86_machine.iopm]
call get_pg_addr
inc eax
mov dword [ecx+APPDATA.io_map], eax
mov dword [page_tabs + (tss._io_map_0 shr 10)], eax
mov eax, [esi+V86_machine.iopm]
add eax, 0x1000
call get_pg_addr
inc eax
mov dword [ecx+APPDATA.io_map+4], eax
mov dword [page_tabs + (tss._io_map_1 shr 10)], eax
mov eax, [esi+V86_machine.process]
mov [ecx+APPDATA.process], eax
mov [current_process], eax
mov eax, [eax+PROC.pdt_0_phys]
mov cr3, eax
@ -765,19 +766,20 @@ end if
mov esp, esi
cli
mov ecx, [CURRENT_TASK]
shl ecx, 8
mov ecx, [current_slot]
pop eax
mov [SLOT_BASE+ecx+APPDATA.saved_esp0], eax
mov [ecx+APPDATA.saved_esp0], eax
mov [tss._esp0], eax
pop eax
mov [SLOT_BASE+ecx+APPDATA.process], eax
mov [ecx+APPDATA.process], eax
pop ebx
mov dword [SLOT_BASE+ecx+APPDATA.io_map+4], ebx
mov dword [ecx+APPDATA.io_map+4], ebx
mov dword [page_tabs + (tss._io_map_1 shr 10)], ebx
pop ebx
mov dword [SLOT_BASE+ecx+APPDATA.io_map], ebx
mov dword [ecx+APPDATA.io_map], ebx
mov dword [page_tabs + (tss._io_map_0 shr 10)], ebx
mov [current_process], eax
mov eax, [eax+PROC.pdt_0_phys]
mov cr3, eax
sti
@ -906,74 +908,3 @@ v86_irq2:
call do_change_task
popad
iretd
align 4
v86_entry:
xchg bx, bx
mov ebx, 100000
call delay_hs
jmp v86_entry
align 4
proc v86_init
locals
v86_slot dd ?
v86_cmdline dd ? ;0x00
v86_path dd ? ;0x04
v86_eip dd ? ;0x08
v86_esp dd ? ;0x0C
v86_mem dd ? ;0x10
endl
xor eax, eax
mov [v86_eip], v86_entry
mov [v86_cmdline], eax
mov [v86_esp], eax
mov [v86_path], eax
call lock_application_table
call alloc_thread_slot
test eax, eax
jz .failed
mov [v86_slot], eax
mov edi, eax
shl edi, 8
add edi, SLOT_BASE
mov esi, edi ;edx=edi - pointer to extended infomation about new thread
mov ecx, 256/4
xor eax, eax
cld
rep stosd ;clean extended information about new thread
mov [esi], dword 'V86 '
stdcall create_process, 4096, OS_BASE, 4096
test eax, eax
jz .failed
mov [eax+PROC.mem_used], 4096
mov [esi+APPDATA.process], eax
lea ebx, [esi+APPDATA.list]
lea ecx, [eax+PROC.thr_list]
list_add_tail ebx, ecx ;add thread to process child's list
lea eax, [v86_cmdline]
stdcall set_app_params , [v86_slot], eax, 0, 0, 2
mov eax, [process_number] ;set result
call unlock_application_table
ret
.failed:
xor eax, eax
.failed1:
call unlock_application_table
dec eax ;-1
ret
endp