WebSVN – Kolibri OS – Diff – /kernel/trunk/core/memory.inc



           and eax, not 0xFFF
           or eax, [flags]
           mov ebx, [lin_addr]
           shr ebx, 12
           mov [page_tabs+ebx*4], eax
           mov eax, [lin_addr]
           invlpg [eax]
           pop ebx
           ret
endp
 

           mov edx, 0x1000
           mov ebx, edi
           shr ebx, 12
@@:
           mov [page_tabs+ebx*4], eax
           invlpg [edi]
           add edi, edx
           add eax, edx
           inc ebx
           dec ecx

           mov esi, eax
           mov edi, eax

 
           shr esi, 10

           add esi, page_tabs
 
           mov ebp, [pg_data.pages_free]
           mov ebx, [page_start]

           or eax, PG_UW          ;+PG_NOCACHE
           mov dword [current_pgdir+ebx*4], eax
           mov eax, [lin_addr]
           shr eax, 10
           add eax, page_tabs
           invlpg [eax]
           pop ebx
           ret
endp
 

 

           mov eax, [LFBAddress]
           mov esi, eax
           shr esi, 10
           add esi, page_tabs
           or eax, PG_UW
           mov ecx, [pg_count]
           shr ecx, 2
.map:
           mov [esi], eax

 

           shr edi, 12
           shr esi, 12
@@:
           mov eax, [page_tabs+0x00181000+edi*4]
           test eax, 1
           jz .next
           mov dword [page_tabs+0x00181000+edi*4], 2
           mov ebx, edi
           shl ebx, 12
           invlpg [ebx+std_application_base_address]
           call free_page

           stdcall map_page_table, edi, eax

 
           push edi
           shr edi, 10
           add edi, page_tabs
           mov ecx, 1024
           xor eax, eax
           cld
           rep stosd

 

align 4
get_pg_addr:
           shr eax, 12
           mov eax, [page_tabs+eax*4]
           and eax, 0xFFFFF000
           ret

 
align 4

           mov edx, [master_tab+ecx*4]
           test edx, 1
           jz .fail
 

           mov eax, [page_tabs+ebx*4]
           test eax, 2
           jz .fail
.alloc:
           call alloc_page
           and eax, eax

           iretd
 

.kernel_space:
;           shr ebx, 12
;           mov eax, [page_tabs+ebx*4]
;           shr ebx, 10
;           mov eax, [master_tab+ebx*4]
           jmp .exit
.old_addr:
;           shr ebx, 12
;           mov eax, [page_tabs+ebx*4]
;           shr ebx, 10
;           mov eax, [master_tab+ebx*4]
           jmp .exit
.lfb_addr:
;           shr ebx, 22
;           ;mov ecx, [sys_page_dir]
;           mov eax, [master_tab+ebx*4]
           jmp .exit
.tab_space:
;           shr ebx, 12
;           mov eax, [page_tabs+ebx*4]
;           shr ebx, 10
;           ;mov ecx, [sys_page_dir]
;           mov eax, [master_tab+ebx*4]
           jmp .exit
endp

           mov ebx, [ipc_tmp]
           mov edx, ebx
           shr ebx, 12
           xor eax, eax
           mov [page_tabs+ebx*4], eax
           invlpg [edx]

 
           mov ebx, [ipc_pdir]
           mov edx, ebx
           shr ebx, 12
           xor eax, eax
           mov [page_tabs+ebx*4], eax

           invlpg [edx]
 
           mov ebx, [ipc_ptab]
           mov edx, ebx
           shr ebx, 12
           xor eax, eax

           mov [page_tabs+ebx*4], eax
           invlpg [edx]
 

Rev 363	Rev 365
Line 238...	Line 238...
238	and eax, not 0xFFF	238	and eax, not 0xFFF
239	or eax, [flags]	239	or eax, [flags]
240	mov ebx, [lin_addr]	240	mov ebx, [lin_addr]
241	shr ebx, 12	241	shr ebx, 12
242	mov [pages_tab+ebx*4], eax	242	mov [page_tabs+ebx*4], eax
243	mov eax, [lin_addr]	243	mov eax, [lin_addr]
244	invlpg [eax]	244	invlpg [eax]
245	pop ebx	245	pop ebx
246	ret	246	ret
247	endp	247	endp
248		248
Line 294...	Line 294...
294	mov edx, 0x1000	294	mov edx, 0x1000
295	mov ebx, edi	295	mov ebx, edi
296	shr ebx, 12	296	shr ebx, 12
297	@@:	297	@@:
298	mov [pages_tab+ebx*4], eax	298	mov [page_tabs+ebx*4], eax
299	invlpg [edi]	299	invlpg [edi]
300	add edi, edx	300	add edi, edx
301	add eax, edx	301	add eax, edx
302	inc ebx	302	inc ebx
303	dec ecx	303	dec ecx
Line 321...	Line 321...
321	mov esi, eax	321	mov esi, eax
322	mov edi, eax	322	mov edi, eax
Line 323...	Line 323...
323		323
324	shr esi, 10	324	shr esi, 10
Line 325...	Line 325...
325	add esi, pages_tab	325	add esi, page_tabs
326		326
327	mov ebp, [pg_data.pages_free]	327	mov ebp, [pg_data.pages_free]
328	mov ebx, [page_start]	328	mov ebx, [page_start]
Line 366...	Line 366...
366	or eax, PG_UW ;+PG_NOCACHE	366	or eax, PG_UW ;+PG_NOCACHE
367	mov dword [current_pgdir+ebx*4], eax	367	mov dword [current_pgdir+ebx*4], eax
368	mov eax, [lin_addr]	368	mov eax, [lin_addr]
369	shr eax, 10	369	shr eax, 10
370	add eax, pages_tab	370	add eax, page_tabs
371	invlpg [eax]	371	invlpg [eax]
372	pop ebx	372	pop ebx
373	ret	373	ret
374	endp	374	endp
375		375
Line 437...	Line 437...
437		437
Line 438...	Line 438...
438	mov eax, [LFBAddress]	438	mov eax, [LFBAddress]
439	mov esi, eax	439	mov esi, eax
440	shr esi, 10	440	shr esi, 10
441	add esi, pages_tab	441	add esi, page_tabs
442	or eax, PG_UW	442	or eax, PG_UW
443	mov ecx, [pg_count]	443	mov ecx, [pg_count]
444	shr ecx, 2	444	shr ecx, 2
445	.map:	445	.map:
446	mov [esi], eax	446	mov [esi], eax
Line 486...	Line 486...
486		486
Line 487...	Line 487...
487	shr edi, 12	487	shr edi, 12
488	shr esi, 12	488	shr esi, 12
489	@@:	489	@@:
490	mov eax, [pages_tab+0x00181000+edi*4]	490	mov eax, [page_tabs+0x00181000+edi*4]
491	test eax, 1	491	test eax, 1
492	jz .next	492	jz .next
493	mov dword [pages_tab+0x00181000+edi*4], 2	493	mov dword [page_tabs+0x00181000+edi*4], 2
494	mov ebx, edi	494	mov ebx, edi
495	shl ebx, 12	495	shl ebx, 12
496	invlpg [ebx+std_application_base_address]	496	invlpg [ebx+std_application_base_address]
497	call free_page	497	call free_page
Line 533...	Line 533...
533	stdcall map_page_table, edi, eax	533	stdcall map_page_table, edi, eax
Line 534...	Line 534...
534		534
535	push edi	535	push edi
536	shr edi, 10	536	shr edi, 10
537	add edi, pages_tab	537	add edi, page_tabs
538	mov ecx, 1024	538	mov ecx, 1024
539	xor eax, eax	539	xor eax, eax
540	cld	540	cld
541	rep stosd	541	rep stosd
Line 612...	Line 612...
612		612
Line 613...	Line 613...
613	align 4	613	align 4
614	get_pg_addr:	614	get_pg_addr:
615	shr eax, 12	615	shr eax, 12
616	mov eax, [pages_tab+eax*4]	616	mov eax, [page_tabs+eax*4]
617	and eax, 0xFFFFF000	617	and eax, 0xFFFFF000
618	ret	618	ret
Line 619...	Line 619...
619		619
620	align 4	620	align 4
Line 656...	Line 656...
656	mov edx, [master_tab+ecx*4]	656	mov edx, [master_tab+ecx*4]
657	test edx, 1	657	test edx, 1
658	jz .fail	658	jz .fail
659		659
Line 660...	Line 660...
660	mov eax, [pages_tab+ebx*4]	660	mov eax, [page_tabs+ebx*4]
661	test eax, 2	661	test eax, 2
662	jz .fail	662	jz .fail
663	.alloc:	663	.alloc:
664	call alloc_page	664	call alloc_page
665	and eax, eax	665	and eax, eax
Line 694...	Line 694...
694	iretd	694	iretd
695		695
Line 696...	Line 696...
696	.kernel_space:	696	.kernel_space:
697	; shr ebx, 12	697	; shr ebx, 12
698	; mov eax, [pages_tab+ebx*4]	698	; mov eax, [page_tabs+ebx*4]
699	; shr ebx, 10	699	; shr ebx, 10
700	; mov eax, [master_tab+ebx*4]	700	; mov eax, [master_tab+ebx*4]
701	jmp .exit	701	jmp .exit
702	.old_addr:	702	.old_addr:
703	; shr ebx, 12	703	; shr ebx, 12
704	; mov eax, [pages_tab+ebx*4]	704	; mov eax, [page_tabs+ebx*4]
705	; shr ebx, 10	705	; shr ebx, 10
706	; mov eax, [master_tab+ebx*4]	706	; mov eax, [master_tab+ebx*4]
707	jmp .exit	707	jmp .exit
708	.lfb_addr:	708	.lfb_addr:
709	; shr ebx, 22	709	; shr ebx, 22
710	; ;mov ecx, [sys_page_dir]	710	; ;mov ecx, [sys_page_dir]
711	; mov eax, [master_tab+ebx*4]	711	; mov eax, [master_tab+ebx*4]
712	jmp .exit	712	jmp .exit
713	.tab_space:	713	.tab_space:
714	; shr ebx, 12	714	; shr ebx, 12
715	; mov eax, [pages_tab+ebx*4]	715	; mov eax, [page_tabs+ebx*4]
716	; shr ebx, 10	716	; shr ebx, 10
717	; ;mov ecx, [sys_page_dir]	717	; ;mov ecx, [sys_page_dir]
718	; mov eax, [master_tab+ebx*4]	718	; mov eax, [master_tab+ebx*4]
719	jmp .exit	719	jmp .exit
720	endp	720	endp
Line 938...	Line 938...
938	mov ebx, [ipc_tmp]	938	mov ebx, [ipc_tmp]
939	mov edx, ebx	939	mov edx, ebx
940	shr ebx, 12	940	shr ebx, 12
941	xor eax, eax	941	xor eax, eax
942	mov [pages_tab+ebx*4], eax	942	mov [page_tabs+ebx*4], eax
943	invlpg [edx]	943	invlpg [edx]
Line 944...	Line 944...
944		944
945	mov ebx, [ipc_pdir]	945	mov ebx, [ipc_pdir]
946	mov edx, ebx	946	mov edx, ebx
947	shr ebx, 12	947	shr ebx, 12
948	xor eax, eax	948	xor eax, eax
949	mov [pages_tab+ebx*4], eax	949	mov [page_tabs+ebx*4], eax
Line 950...	Line 950...
950	invlpg [edx]	950	invlpg [edx]
951		951
952	mov ebx, [ipc_ptab]	952	mov ebx, [ipc_ptab]
953	mov edx, ebx	953	mov edx, ebx
954	shr ebx, 12	954	shr ebx, 12
955	xor eax, eax	955	xor eax, eax
Line 956...	Line 956...
956	mov [pages_tab+ebx*4], eax	956	mov [page_tabs+ebx*4], eax
957	invlpg [edx]	957	invlpg [edx]
958		958

Subversion Repositories Kolibri OS

(root)/kernel/trunk/core/memory.inc – Rev 363 → 365